CN111824889A - Elevator brake system fault detection method and device and elevator brake system - Google Patents
Elevator brake system fault detection method and device and elevator brake system Download PDFInfo
- Publication number
- CN111824889A CN111824889A CN202010853591.2A CN202010853591A CN111824889A CN 111824889 A CN111824889 A CN 111824889A CN 202010853591 A CN202010853591 A CN 202010853591A CN 111824889 A CN111824889 A CN 111824889A
- Authority
- CN
- China
- Prior art keywords
- band
- type brake
- elevator
- fault
- brake system
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
The invention discloses a fault detection method and a fault detection device for an elevator band-type brake system and the elevator band-type brake system, wherein the elevator band-type brake system comprises a contactor group, at least one band-type brake and a band-type brake control circuit, and the fault detection method for the elevator band-type brake system comprises the following steps: acquiring output voltage of each band-type brake; when the output voltage of each band-type brake is in a preset voltage range, acquiring the total current of an elevator band-type brake system, and determining that the fault of the elevator band-type brake system is a mechanical fault of the band-type brake or a coil fault of the band-type brake according to the relation between the total current of the elevator band-type brake system and the preset current range; or when the output voltage of any one band-type brake is not in the preset voltage range, acquiring the feedback signal of the contactor group, and determining that the fault of the elevator band-type brake system is the fault of the control circuit of the band-type brake or the fault of the contactor group according to the feedback signal of the contactor group. According to the technical scheme, when the elevator brake breaks down, the maintenance efficiency of maintenance personnel is improved.
Description
Technical Field
The invention relates to the technical field of elevator band-type brake systems, in particular to a fault detection method and device for an elevator band-type brake system and the elevator band-type brake system.
Background
With the development of economy, elevators have become an important part of life. The safety of elevators has also become a focus of attention for people. The band-type brake is an important guarantee of elevator safety, and the control part of the existing band-type brake system is equivalent to a power supply, and a band-type brake is controlled by controlling the on-off of the power supply. When the band-type brake breaks down, field maintenance personnel need to manually detect the fault, and further when the band-type brake controller is placed inside an elevator shaft, troubleshooting is more difficult, and the maintenance efficiency of the maintenance personnel is greatly reduced.
Disclosure of Invention
The invention mainly aims to provide a fault detection method and device for an elevator band-type brake system and the elevator band-type brake system, aiming at improving the maintenance efficiency of maintenance personnel when the elevator band-type brake has a fault.
In order to achieve the purpose, the invention provides a fault detection method for an elevator brake system, wherein the elevator brake system comprises a contactor group, at least one brake and a brake control circuit, and the fault detection method for the elevator brake system comprises the following steps:
acquiring output voltage of each band-type brake;
when the output voltage of each band-type brake is in a preset voltage range, acquiring the total current of the elevator band-type brake system, and determining that the fault of the elevator band-type brake system is a mechanical fault of the band-type brake or a coil fault of the band-type brake according to the relation between the total current of the elevator band-type brake system and the preset current range;
or the like, or, alternatively,
when the output voltage of any one of the band-type brake brakes is not within a preset voltage range, obtaining a feedback signal of the contactor group, and determining that the fault of the elevator band-type brake system is a band-type brake control circuit fault or a contactor group fault according to the contactor group feedback signal.
Optionally, if the output voltage of each band-type brake is within a preset voltage range and the total current of the elevator band-type brake system is within a preset current range, determining that the fault of the elevator band-type brake system is a mechanical fault of the band-type brake;
and if the output voltage of each band-type brake is in a preset voltage range and the total current of the elevator band-type brake system is not in the preset current range, determining that the fault of the elevator band-type brake system is a band-type brake coil fault.
Optionally, when the output voltage of any one of the band-type brake brakes is not in a preset voltage range and the feedback signal of the contactor is a high-level signal, determining that the fault of the elevator band-type brake system is a band-type brake control circuit fault;
and when the output voltage of any one of the band-type brake brakes is not in a preset voltage range and the feedback signal of the contactor is a low-level signal, determining that the fault of the elevator band-type brake system is a fault of the contactor group.
Optionally, the preset current range is 0.5A-4A.
Optionally, the preset voltage range is 60V-220V.
Optionally, the method for detecting the fault of the elevator brake system further includes:
and after the fault of the elevator brake system is determined, outputting the determined fault information.
The invention also provides a fault detection device of the elevator band-type brake system, wherein the elevator band-type brake system comprises a contact set, at least one band-type brake and a band-type brake control circuit, and the fault detection device of the elevator band-type brake system comprises a power supply, a band-type brake contactor, an operation contactor, a rectifier, a band-type brake output voltage detection circuit, an output total current detection circuit and an MCU (microprogrammed control unit);
the power supply, the band-type brake contactor, the operation contactor and the rectifier are sequentially connected, the output end of the rectifier is respectively connected with the input end of the band-type brake output voltage detection circuit and the input end of the output total current detection circuit, and the output end of the band-type brake output voltage detection circuit and the output end of the output total current detection circuit are both connected with the input end of the MCU;
the band-type brake output voltage detection circuit is used for detecting the output voltage of each band-type brake and feeding the output voltage back to the MCU;
the output total current detection circuit is used for detecting the total current of the elevator brake system and feeding the total current back to the MCU;
and the MCU is used for positioning the faults of the elevator brake system according to the output voltage of each brake and the total current of the elevator brake system.
Optionally, the band-type brake output voltage detection circuit includes a first band-type brake output voltage detection circuit and a second band-type brake output voltage detection circuit.
Optionally, the first band-type brake output voltage detection circuit includes a first diode, a second diode, a first resistor, a second resistor, a first capacitor, a first IGBT, and a first signal conditioning circuit;
the cathode of the first diode is connected with the first end of the first band-type brake, the anode of the first diode is connected with the first end of the first resistor, the second end of the first band-type brake, the emitter of the first IGBT, the first end of the first capacitor and the first end of the second resistor are interconnected, the second end of the first capacitor, the second end of the second resistor and the cathode of the second diode are connected, the collector of the first IGBT is connected with the anode of the second diode, and the first signal conditioning circuit is connected with the two ends of the first band-type brake;
the second band-type brake output voltage detection circuit comprises a third diode, a fourth diode, a third resistor, a fourth resistor, a second capacitor, a second IGBT and a second signal conditioning circuit;
the negative pole of third diode with the first end of first band-type brake is connected, the positive pole of third diode with the first end of third resistance is connected, the second end of third resistance the second end of first band-type brake the projecting pole of second IGBT the first end of second electric capacity with the first end interconnection of fourth resistance, the second end of second electric capacity the second end of fourth resistance with the negative pole of fourth diode is connected, the collecting electrode of second IGBT with the positive pole of fourth diode is connected, second signal conditioning circuit connect in the both ends of second band-type brake.
The invention also provides an elevator brake system, which comprises a memory, a processor, an elevator brake system fault detection program stored on the memory and capable of running on the processor, and the elevator brake system fault detection device, wherein the elevator brake system fault detection program is executed by the processor to realize the steps of the elevator brake system fault detection method.
The elevator band-type brake system fault detection method is applied to an elevator band-type brake system, the elevator band-type brake system comprises a contact set, at least one band-type brake and a band-type brake control circuit, specifically, the output voltage of each band-type brake is obtained, when the output voltage of each band-type brake is in a preset voltage range, the total current of the elevator band-type brake system is obtained, and whether the obtained total current of the elevator band-type brake system is in a preset current range or not is judged, so that whether the fault in the elevator band-type brake system is a band-type brake mechanical fault or a band-type brake coil fault is determined; when the output voltage of any one band-type brake is not in the preset voltage range, obtaining a feedback signal of a contactor group, and determining whether the fault in the elevator band-type brake system is a band-type brake control circuit fault or a contactor group fault according to the contact group feedback signal. When the elevator brake breaks down, the fault position in the elevator brake system can be determined in time, and the maintenance efficiency of maintenance personnel is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a first embodiment of the fault detection method of an elevator brake system of the invention;
fig. 2 is a schematic flow chart of a fault detection method of an elevator brake system according to a second embodiment of the invention;
fig. 3 is a schematic flow chart of a third embodiment of the fault detection method of the elevator brake system of the invention;
fig. 4 is a schematic circuit structure diagram of an embodiment of the fault detection device for an elevator brake system of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a fault detection method for an elevator band-type brake system.
In a first embodiment of the invention, referring to fig. 1 and fig. 4, the fault detection method for the elevator brake system comprises the following steps:
step S10, acquiring output voltage of each band-type brake;
step S20, when the output voltage of each band-type brake is within a preset voltage range, acquiring the total current of the elevator band-type brake system, and determining that the fault of the elevator band-type brake system is a mechanical fault of the band-type brake or a coil fault of the band-type brake according to the relation between the total current of the elevator band-type brake system and the preset current range;
or the like, or, alternatively,
and step S30, when the output voltage of any one of the band-type brake brakes is not in a preset voltage range, acquiring a feedback signal of the contactor group, and determining that the fault of the elevator band-type brake system is a band-type brake control circuit fault or a contactor group fault according to the contactor group feedback signal.
In this embodiment, 2 band-type brake brakes are taken as an example for explanation, the method for detecting a fault of an elevator band-type brake system is applied to the elevator band-type brake system, the elevator band-type brake system is provided with a first band-type brake 10 and a second band-type brake 20, a first output voltage of the first band-type brake 10 and a second output voltage of the second band-type brake 20 are obtained, and a total current of the elevator band-type brake system of the first band-type brake 10 and the second band-type brake 20 is a total current of the elevator band-type brake system; after the first output voltage, the second output voltage and the total current of the elevator brake system are obtained, the first output voltage and the second output voltage are output to an MCU in the elevator brake system for comparison, specifically, the first output voltage and the second output voltage are respectively compared with a preset voltage range, and the total current of the elevator brake system is compared with a preset current range so as to judge the fault position of the elevator brake.
Further, when the output voltage of each band-type brake is in a preset voltage range, namely when the first output voltage and the second output voltage are in the preset voltage range, determining that the fault of the elevator band-type brake system is a mechanical fault of the band-type brake or a coil fault of the band-type brake according to the relation between the total current of the elevator band-type brake system and the preset current range; when the output voltage of any one of the band-type brake brakes is not in a preset voltage range, namely when the first output voltage or the second output voltage is not in the preset voltage range, determining that the fault of the elevator band-type brake system is a band-type brake control circuit fault or a contact group fault according to the contact group feedback signal. In the scheme, when the elevator brake breaks down, the fault position in the elevator brake system can be determined in time, and the maintenance efficiency of maintenance personnel is improved.
In a second embodiment, referring to fig. 2, if the output voltage of each band-type brake is within the preset voltage range, that is, when the first output voltage and the second output voltage are both within the preset voltage range and the total current of the elevator band-type brake system is within the preset current range, it is determined that the elevator band-type brake system fault is a mechanical fault of the band-type brake.
Further, if the output voltage of each band-type brake is within the preset voltage range, namely when the first output voltage and the second output voltage are within the preset voltage range and the total current of the elevator band-type brake system is not within the preset current range, determining that the fault of the elevator band-type brake system is the coil fault of the band-type brake.
That is, when the first output voltage and the second output voltage are judged to be in the preset voltage range and the total current of the elevator brake system is in the preset current range in the elevator brake system, it can be determined that the fault in the elevator brake system is that a mechanical fault occurs in a brake; and when the first output voltage and the second output voltage are judged to be in a second preset voltage range and the total current of the elevator brake system is not in a preset current range, determining that the fault in the elevator brake system is the fault of a brake coil of the brake. Therefore, maintenance personnel do not need to perform complicated detection on the elevator brake, but directly maintain the mechanical part or the coil part of the brake in a targeted manner, and the maintenance efficiency of the maintenance personnel is improved.
In a third embodiment, referring to fig. 3, when the output voltage of any one of the brake brakes is not within the preset voltage range, that is, the first output voltage is not within the preset voltage range or the second output voltage is not within the preset voltage range, and the contact group feedback signal is a high level signal, it is determined that the fault of the elevator brake system is a fault of the brake control circuit.
Further, when the output voltage of any one of the brake brakes is not in a preset voltage range, namely the first output voltage is not in the preset voltage range or the second output voltage is not in the preset voltage range, and the contact group feedback signal is a low-level signal, it is determined that the fault of the elevator brake system is a contact group fault.
That is, when the first output voltage is judged not to be in the preset voltage range or the second output voltage is judged not to be in the preset voltage range in the elevator brake system and the feedback signal of the contactor group is a high-level signal, it can be determined that the fault of the elevator brake system is a fault of a brake control circuit; and when the first output voltage is judged not to be in the preset voltage range, or the second output voltage is judged not to be in the preset voltage range, and the contactor group feedback signal is a low-level signal, the fault of the elevator band-type brake system can be determined to be the fault of the contactor group. Therefore, maintenance personnel do not need to perform complicated detection on the elevator brake, but directly maintain the brake control circuit part or the contactor part in a targeted manner, and the maintenance efficiency of the maintenance personnel is improved.
It should be noted that the contact group in the elevator band-type brake system of this scheme includes band-type brake contactor and operation contactor.
In the above embodiment, the preset current range is 0.5A to 4A, and the preset voltage range is 60V to 220V. It can be understood that when the first output voltage is judged to be in the preset voltage range and the second output voltage is judged to be in the preset voltage range in the elevator brake system, and the obtained total current of the elevator brake system of the first brake 10 and the second brake 20 is 0.5-4A, the elevator brake system fault is determined to be a mechanical fault of the brake; when the first output voltage is within the preset voltage range and the second output voltage is within the preset voltage range in the elevator brake system, and the obtained total current of the elevator brake system of the first brake 10 and the second brake 20 is not within 0.5-4A, determining that the fault of the elevator brake system is a brake coil fault.
Further, the preset voltage may be set to 60V, 110V, 220V, etc., and is set according to the practical application, and is not limited herein.
In the above embodiment, the method for detecting a fault of an elevator brake system further includes:
and after the fault of the elevator brake system is determined, outputting the determined fault information. It can be understood that after the fault of the elevator band-type brake system is confirmed, the confirmed fault information can be output to the terminal device through the MCU for displaying so as to inform maintenance personnel of the fault position of the elevator fault system, and the maintenance personnel can conveniently maintain the elevator.
The elevator band-type brake system fault detection method is applied to an elevator band-type brake system, the elevator band-type brake system comprises a contact set, at least one band-type brake and a band-type brake control circuit, specifically, the output voltage of each band-type brake is obtained, when the output voltage of each band-type brake is in a preset voltage range, the total current of the elevator band-type brake system is obtained, and whether the obtained total current of the elevator band-type brake system is in a preset current range or not is judged to determine whether the fault in the elevator band-type brake system is a band-type brake mechanical fault or a band-type brake coil fault; when the output voltage of any one band-type brake is not in the preset voltage range, obtaining a feedback signal of a contactor group, and determining whether the fault in the elevator band-type brake system is a band-type brake control circuit fault or a contactor group fault according to the contact group feedback signal. When the elevator brake breaks down, the fault position in the elevator brake system can be determined in time, and the maintenance efficiency of maintenance personnel is improved.
The invention also provides a fault detection device of the elevator brake system, which is applied to the elevator brake system as shown in fig. 4, wherein the elevator brake system comprises a contact group, at least one brake and a brake control circuit, and the fault detection device of the elevator brake system comprises a power supply U1, a brake contactor 30, an operation contactor 40, a rectifier U2, a brake output voltage detection circuit, an output total current detection circuit 70 and an MCU 80;
the power supply U1, the band-type brake contactor 30, the operation contactor 40 and the rectifier U2 are sequentially connected, the output end of the rectifier U2 is respectively connected with the input end of the band-type brake output voltage detection circuit and the input end of the output total current detection circuit 70, and the output end of the band-type brake output voltage detection circuit and the output end of the output total current detection circuit 70 are both connected with the input end of the MCU 80;
the brake output voltage detection circuit is used for detecting the output voltage of each brake and feeding the output voltage back to the MCU 80;
the output total current detection circuit 70 is used for detecting the total current of the elevator brake system and feeding the total current back to the MCU 80;
and the MCU80 is used for positioning the fault of the elevator brake system according to the output voltage of each brake and the total current of the elevator brake system.
In this embodiment, the band-type brake output voltage detection circuit includes a first band-type brake output voltage detection circuit 50 and a second band-type brake output voltage detection circuit 60. The first band-type brake output voltage detection circuit 50 comprises a first diode D1, a second diode D2, a first resistor R1, a second resistor R2, a first capacitor C1, a first IGBT Q1 and a first signal conditioning circuit 51;
the cathode of the first diode D1 is connected to the first end of the first band-type brake 10, the anode of the first diode D1 is connected to the first end of the first resistor R1, the second end of the first resistor R1, the second end of the first band-type brake 10, the emitter of the first IGBT Q1, the first end of the first capacitor C1 and the first end of the second resistor R2 are interconnected, the second end of the first capacitor C1, the second end of the second resistor R2 and the cathode of the second diode D2 are connected, the collector of the first IGBTQ1 is connected to the anode of the second diode D2, and the first signal conditioning circuit 51 is connected to both ends of the first band-type brake 10.
It is understood that the first signal conditioning circuit 51 is connected to the output terminal of the first brake 10 to detect the first output voltage of the first brake 10, and feed the first output voltage back to the MCU80 for comparison.
In this embodiment, the second band-type brake output voltage detection circuit 60 includes a third diode D3, a fourth diode D4, a third resistor R3, a fourth resistor R4, a second capacitor C2, a second IGBTQ2, and a second signal conditioning circuit 61;
a cathode of the third diode D3 is connected to a first end of the first band-type brake 10, an anode of the third diode D3 is connected to a first end of the third resistor R3, a second end of the third resistor R3, a second end of the first band-type brake 10, an emitter of the second IGBTQ2, a first end of the second capacitor C2 and a first end of the fourth resistor R4 are interconnected, a second end of the second capacitor C2, a second end of the fourth resistor R4 and a cathode of the fourth diode D4 are connected, a collector of the second IGBTQ2 is connected to an anode of the fourth diode D4, and the second conditioning circuit 61 is connected to two ends of the second band-type brake 20.
It is understood that the second signal conditioning circuit 61 is connected to the output terminal of the second band-type brake 20 to detect the second output voltage of the second band-type brake 20, and feed the second output voltage back to the MCU80 for comparison.
In this embodiment, the output total current detection circuit 70 includes a fifth resistor R5 and a third signal conditioning circuit 71;
the fifth resistor R5 is connected to the output end of the rectifier U2, and the third signal conditioning circuit 71 is connected to two ends of the fifth resistor R5 at the common end input end of the first brake output voltage detection circuit 50 and the second brake output voltage detection circuit 60.
It is understood that a third conditioning circuit is connected to the negative pole of the rectifier U2 and at the input terminals of the first and second band- type brake brakes 10 and 20 to detect the total current of the elevator band-type brake systems of the first and second band- type brake brakes 10 and 20 and feed the total current back to the MCU80 for comparison.
In the above embodiment, the first resistor R1 and the first diode D1, the third resistor R3 and the third diode D3 constitute RD absorption loops of the first band-type brake 10 and the second band-type brake 20, respectively; a first capacitor C1, a second resistor R2 and a second diode D2 form an absorption loop of the first IGBTQ1, and a second capacitor C2, a fourth resistor R4 and a fourth diode D4 form an absorption loop of the second IGBTQ2 so as to absorb voltage spikes on the first IGBTQ1 and the second IGBTQ 2; the third capacitor C3 is the absorption capacitor of the rectifier U2.
It should be noted that, an output end of the MCU80 in the present embodiment may be connected to a display screen, and is configured to display the obtained first output voltage of the first band-type brake 10, the obtained second output voltage of the second band-type brake 20, the total current of the elevator band-type brake systems of the first band-type brake 10 and the second band-type brake 20, and a comparison result, so as to facilitate a maintenance person to locate an elevator band-type brake fault. Meanwhile, if the MCU80 finds that the output voltage of the first band-type brake 10, the output voltage of the second band-type brake 20 or the total current of the elevator band-type brake system in the elevator band-type brake system is abnormal, an error can be reported outwards, the elevator is controlled not to run any more, and the safety of the elevator is improved.
The invention also provides an elevator brake system, which comprises a memory, a processor, an elevator brake system fault detection program stored on the memory and capable of running on the processor, and the elevator brake system fault detection device, wherein the elevator brake system fault detection program is executed by the processor to realize the steps of the elevator brake system fault detection method.
The specific structure of the elevator brake system fault detection method refers to the above embodiments, and the specific structure of the elevator brake system fault detection device refers to the above embodiments.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the specification and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (10)
1. The elevator band-type brake system fault detection method is characterized by comprising the following steps of:
acquiring output voltage of each band-type brake;
when the output voltage of each band-type brake is in a preset voltage range, acquiring the total current of the elevator band-type brake system, and determining that the fault of the elevator band-type brake system is a mechanical fault of the band-type brake or a coil fault of the band-type brake according to the relation between the total current of the elevator band-type brake system and the preset current range;
or the like, or, alternatively,
when the output voltage of any one of the band-type brake brakes is not within a preset voltage range, obtaining a feedback signal of the contactor group, and determining that the fault of the elevator band-type brake system is a band-type brake control circuit fault or a contactor group fault according to the contactor group feedback signal.
2. The method for detecting the fault of the elevator brake system according to claim 1, wherein if the output voltage of each brake is in a preset voltage range and the total current of the elevator brake system is in a preset current range, the fault of the elevator brake system is determined to be a mechanical fault of the brake;
and if the output voltage of each band-type brake is in a preset voltage range and the total current of the elevator band-type brake system is not in the preset current range, determining that the fault of the elevator band-type brake system is a band-type brake coil fault.
3. The method for detecting the fault of the elevator brake system according to claim 1, wherein when the output voltage of any one of the brake brakes is not in a preset voltage range and the feedback signal of the contactor is a high-level signal, the fault of the elevator brake system is determined to be a fault of a brake control circuit;
and when the output voltage of any one of the band-type brake brakes is not in a preset voltage range and the feedback signal of the contactor is a low-level signal, determining that the fault of the elevator band-type brake system is a fault of the contactor group.
4. The method for detecting the fault of the elevator brake system according to any one of claims 1 to 3, wherein the preset current range is 0.5A-4A.
5. The method for detecting the fault of the elevator brake system according to any one of claims 1 to 3, wherein the preset voltage range is 60V-220V.
6. The method for detecting the fault of the elevator brake system according to claim 1, wherein the method for detecting the fault of the elevator brake system further comprises the following steps:
and after the fault of the elevator brake system is determined, outputting the determined fault information.
7. A fault detection device for an elevator band-type brake system comprises a contact set, at least one band-type brake and a band-type brake control circuit, and is characterized in that the fault detection device for the elevator band-type brake system comprises a power supply, a band-type brake contactor, an operation contactor, a rectifier, a band-type brake output voltage detection circuit, an output total current detection circuit and an MCU (microprogrammed control unit);
the power supply, the band-type brake contactor, the operation contactor and the rectifier are sequentially connected, the output end of the rectifier is respectively connected with the input end of the band-type brake output voltage detection circuit and the input end of the output total current detection circuit, and the output end of the band-type brake output voltage detection circuit and the output end of the output total current detection circuit are both connected with the input end of the MCU;
the band-type brake output voltage detection circuit is used for detecting the output voltage of each band-type brake and feeding the output voltage back to the MCU;
the output total current detection circuit is used for detecting the total current of the elevator brake system and feeding the total current back to the MCU;
and the MCU is used for positioning the faults of the elevator brake system according to the output voltage of each brake and the total current of the elevator brake system.
8. The elevator brake system fault detection device of claim 7, wherein the brake output voltage detection circuit comprises a first brake output voltage detection circuit and a second brake output voltage detection circuit.
9. The elevator brake system fault detection device of claim 8, wherein the first brake output voltage detection circuit comprises a first diode, a second diode, a first resistor, a second resistor, a first capacitor, a first IGBT and a first signal conditioning circuit;
the cathode of the first diode is connected with the first end of the first band-type brake, the anode of the first diode is connected with the first end of the first resistor, the second end of the first band-type brake, the emitter of the first IGBT, the first end of the first capacitor and the first end of the second resistor are interconnected, the second end of the first capacitor, the second end of the second resistor and the cathode of the second diode are connected, the collector of the first IGBT is connected with the anode of the second diode, and the first signal conditioning circuit is connected with the two ends of the first band-type brake;
the second band-type brake output voltage detection circuit comprises a third diode, a fourth diode, a third resistor, a fourth resistor, a second capacitor, a second IGBT and a second signal conditioning circuit;
the negative pole of third diode with the first end of first band-type brake is connected, the positive pole of third diode with the first end of third resistance is connected, the second end of third resistance the second end of first band-type brake the projecting pole of second IGBT the first end of second electric capacity with the first end interconnection of fourth resistance, the second end of second electric capacity the second end of fourth resistance with the negative pole of fourth diode is connected, the collecting electrode of second IGBT with the positive pole of fourth diode is connected, second signal conditioning circuit connect in the both ends of second band-type brake.
10. An elevator brake system, characterized in that the elevator brake system comprises a memory, a processor, an elevator brake system fault detection program stored on the memory and operable on the processor, and an elevator brake system fault detection device according to any one of claims 7 to 9, wherein the elevator brake system fault detection program, when executed by the processor, implements the steps of the elevator brake system fault detection method according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010853591.2A CN111824889A (en) | 2020-08-21 | 2020-08-21 | Elevator brake system fault detection method and device and elevator brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010853591.2A CN111824889A (en) | 2020-08-21 | 2020-08-21 | Elevator brake system fault detection method and device and elevator brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111824889A true CN111824889A (en) | 2020-10-27 |
Family
ID=72917817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010853591.2A Pending CN111824889A (en) | 2020-08-21 | 2020-08-21 | Elevator brake system fault detection method and device and elevator brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111824889A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114044417A (en) * | 2021-12-03 | 2022-02-15 | 未来物语(深圳)科技有限公司 | Method and system for monitoring working state of elevator band-type brake |
| CN114655806A (en) * | 2022-03-15 | 2022-06-24 | 苏州汇川控制技术有限公司 | Elevator equipment, band-type brake power supply, monitoring method of band-type brake and system thereof |
| CN115092787A (en) * | 2022-06-23 | 2022-09-23 | 上海新时达电气股份有限公司 | Elevator brake detection system and method thereof |
| CN115159291A (en) * | 2022-07-25 | 2022-10-11 | 苏州安驰控制***有限公司 | Elevator brake circuit, detection method and computer storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101271146A (en) * | 2007-03-22 | 2008-09-24 | 株式会社日立制作所 | Circuit abnormality determining apparatus and method |
| CN203322118U (en) * | 2013-06-08 | 2013-12-04 | 安徽广德昌立制动器有限公司 | Constant-current energy-saving mute control device for whole process of electromagnetic brake |
| CN204211296U (en) * | 2014-09-29 | 2015-03-18 | 北京市特种设备检测中心 | One is using elevator brake system portable detector |
| CN104246280B (en) * | 2012-02-20 | 2016-12-21 | 科尼全球公司 | Hoisting equipment and upgrade method, electromagnetic brake and monitoring device and method and method perform equipment |
| CN207581083U (en) * | 2017-08-30 | 2018-07-06 | 苏州汇川技术有限公司 | Band-type brake circuit and elevator control system |
| CN108821044A (en) * | 2018-05-30 | 2018-11-16 | 苏州汇川技术有限公司 | Band-type brake control circuit and elevator device |
| CN110095676A (en) * | 2018-01-29 | 2019-08-06 | 发那科株式会社 | Brake control system and fault detection method |
-
2020
- 2020-08-21 CN CN202010853591.2A patent/CN111824889A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101271146A (en) * | 2007-03-22 | 2008-09-24 | 株式会社日立制作所 | Circuit abnormality determining apparatus and method |
| CN104246280B (en) * | 2012-02-20 | 2016-12-21 | 科尼全球公司 | Hoisting equipment and upgrade method, electromagnetic brake and monitoring device and method and method perform equipment |
| CN203322118U (en) * | 2013-06-08 | 2013-12-04 | 安徽广德昌立制动器有限公司 | Constant-current energy-saving mute control device for whole process of electromagnetic brake |
| CN204211296U (en) * | 2014-09-29 | 2015-03-18 | 北京市特种设备检测中心 | One is using elevator brake system portable detector |
| CN207581083U (en) * | 2017-08-30 | 2018-07-06 | 苏州汇川技术有限公司 | Band-type brake circuit and elevator control system |
| CN110095676A (en) * | 2018-01-29 | 2019-08-06 | 发那科株式会社 | Brake control system and fault detection method |
| CN108821044A (en) * | 2018-05-30 | 2018-11-16 | 苏州汇川技术有限公司 | Band-type brake control circuit and elevator device |
Non-Patent Citations (1)
| Title |
|---|
| 电梯招聘网: "电梯抱闸打不开原因及解决方法 http://www.diantijob.com/news/diantizhishi/184932.html?ivk_sa=1024320u", 《三菱电梯抱闸打不开的故障的解决方法》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114044417A (en) * | 2021-12-03 | 2022-02-15 | 未来物语(深圳)科技有限公司 | Method and system for monitoring working state of elevator band-type brake |
| CN114655806A (en) * | 2022-03-15 | 2022-06-24 | 苏州汇川控制技术有限公司 | Elevator equipment, band-type brake power supply, monitoring method of band-type brake and system thereof |
| CN115092787A (en) * | 2022-06-23 | 2022-09-23 | 上海新时达电气股份有限公司 | Elevator brake detection system and method thereof |
| CN115092787B (en) * | 2022-06-23 | 2024-06-28 | 上海新时达电气股份有限公司 | Elevator brake detection system and method thereof |
| CN115159291A (en) * | 2022-07-25 | 2022-10-11 | 苏州安驰控制***有限公司 | Elevator brake circuit, detection method and computer storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111824889A (en) | Elevator brake system fault detection method and device and elevator brake system | |
| CN109888717A (en) | A kind of temperature protection circuit of inverter type welder | |
| CN212304728U (en) | Control device of drive circuit and automobile power distribution system | |
| CN111911404A (en) | Air conditioner compressor control system and method and automobile | |
| CN201937323U (en) | Power failure handling circuit of electric automobile battery management system | |
| CN105093048A (en) | Port detection system and vehicle possessing same | |
| CN203942322U (en) | Automobile programming power supply | |
| CN214044996U (en) | PE wire protection system of electricity consumption and charging device and electricity consumption and charging device | |
| CN214473857U (en) | Photovoltaic group string prevents reverse connection device and photovoltaic system | |
| CN205355776U (en) | Short -circuit protection circuit based on power load is unusual | |
| CN211166461U (en) | Fault diagnosis circuit and device and electric vehicle direct current charging device | |
| CN111896793A (en) | Electric vehicle and method, device and medium for detecting abnormity of direct current bus voltage of electric vehicle | |
| CN203455419U (en) | Phase sequence detection device | |
| CN111642047A (en) | Flash control circuit based on MOS tube and flasher | |
| CN210166637U (en) | Electrical system of vehicle bottom electrical cabinet installation equipment | |
| CN201733143U (en) | Induction power supply modular circuit of failure indicator | |
| CN215116694U (en) | LED leakage current's that is shaded normal detection integrated circuit | |
| CN217846540U (en) | Fan fault detection circuit and clothes dryer | |
| CN211785948U (en) | Relay output control detection circuit | |
| CN109720208A (en) | Feedback energy control method, device, vehicle and computer readable storage medium | |
| CN219737629U (en) | Zero line detection circuit and intelligent switch system | |
| CN216564493U (en) | Hysteresis circuit and vehicle-mounted controller weak current and under-voltage detection circuit | |
| CN213690351U (en) | Simple temperature control regulation and control circuit capable of improving light load efficiency, switching power supply and fan | |
| CN104459355B (en) | Phase sequence detection device | |
| CN221261187U (en) | Direct current contactor adhesion detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201027 |
|
| RJ01 | Rejection of invention patent application after publication |