CN210393309U - Automatic detection device for elevator sliding rescue - Google Patents
Automatic detection device for elevator sliding rescue Download PDFInfo
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- CN210393309U CN210393309U CN201920970323.1U CN201920970323U CN210393309U CN 210393309 U CN210393309 U CN 210393309U CN 201920970323 U CN201920970323 U CN 201920970323U CN 210393309 U CN210393309 U CN 210393309U
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Abstract
The utility model discloses an automatic detection device for elevator sliding rescue, which comprises a magnetic grid ruler, an absolute value sensor and a main control board; the magnetic grid ruler is arranged in the elevator shaft and extends along the height direction of the elevator shaft; the absolute value sensor is arranged on the top of the lift car and is in sliding fit with the magnetic grid ruler, and the absolute value sensor is used for detecting the speed of the lift car during movement in real time and reading the length data of the magnetic grid ruler; the main control board is arranged on the elevator control cabinet and electrically connected with the absolute value sensor, the main control board is used for receiving the speed of the elevator car output by the absolute value sensor during moving and the length data of the magnetic grid ruler read, and the height and the moving direction of the elevator car can be obtained according to the length data of the magnetic grid ruler, so that the sliding speed, the sliding direction and the height of the elevator car can be automatically detected when the elevator carries out sliding rescue, the efficiency of rescue is greatly improved, the safety of security personnel is greatly improved, and the safety of the elevator is improved.
Description
Technical Field
The utility model relates to an elevator technical field especially relates to a device of automated inspection car speed and direction when elevator carries out swift current car rescue.
Background
The wide use of elevators leads to the rapid increase of the power consumption demand, and meanwhile, the contradiction of insufficient power supply is increasingly obvious, industrial off-peak power utilization is realized in many areas, even the power utilization of businesses and residences is correspondingly limited, but the power consumption demand cannot be met, and the elevator power failure accident still happens occasionally.
In order to avoid people trapping during power failure or fault, more and more elevators are provided with automatic power failure rescue leveling devices, so that no matter sudden power failure or fault occurs during elevator operation, the automatic power failure rescue leveling device can automatically switch and take over the control right of the elevator within seconds, the elevator is enabled to operate to a preset floor position, a door is automatically opened, and passengers can safely walk out of the elevator. However, when the elevator is not provided with the automatic rescue leveling device in power failure, rescue workers need to slide for rescue in a manual brake releasing or electric brake releasing mode, and at the moment, if the speed and the direction of the movement of the elevator car can be known accurately, the rescue efficiency can be greatly improved and the safety of the workers can be guaranteed.
Therefore, it is necessary to provide a device capable of automatically detecting the speed and direction of the car moving during the sliding rescue of the elevator, so as to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can carry out the elevator swift current car rescue automatic checkout device of speed and direction that the automated inspection car removed when swift current car rescue at the elevator.
In order to achieve the above purpose, the technical scheme of the utility model is that: the automatic detection device for the elevator sliding rescue comprises a magnetic grid ruler, an absolute value sensor and a main control board; the magnetic grid ruler is arranged in the elevator shaft and extends along the height direction of the elevator shaft; the absolute value sensor is arranged on the top of the car and is in sliding fit with the magnetic grid ruler, and the absolute value sensor is used for detecting the speed of the car during movement in real time and reading the length data of the magnetic grid ruler; the main control board is arranged on an elevator control cabinet and electrically connected with the absolute value sensor, and is used for receiving the speed of the elevator car when the elevator car moves and the read length data of the magnetic grid ruler, which are output by the absolute value sensor, and obtaining the height and the moving direction of the elevator car according to the length data of the magnetic grid ruler.
Preferably, the main control board uses the bottom flat bed of the elevator shaft as a reference, calculates the height of the car according to the length data of the magnetic grid ruler read by the absolute value sensor, stores the height of the car as a first height when the car stops, stores the height of the car as a second height when the car slides, and compares the second height with the first height to obtain the sliding direction of the car.
Preferably, elevator swift current car rescue automatic checkout device still includes first stand-by power supply, second stand-by power supply, first stand-by power supply install in the top of car and with absolute value sensor electric connection is used for when having a power failure to the absolute value sensor power supply, second stand-by power supply install in the elevator control cabinet and with master control board electric connection is used for when having a power failure to the master control board power supply.
Preferably, the elevator car-sliding rescue automatic detection device further comprises a display installed in the elevator control cabinet, the display is respectively electrically connected with the main control board and the second standby power supply, the second standby power supply is used for supplying power to the display when power fails, and the display is used for displaying the height, the moving speed and the car-sliding direction of the car in real time.
Preferably, the absolute value sensor is electrically connected with the main control board through a CAN bus.
Compared with the prior art, because the utility model discloses an elevator swift current car rescue automatic checkout device sets up matched with magnetic grid chi, absolute value sensor, consequently, can the real-time detection car through the absolute value sensor along with the car motion the moving speed and reading of magnetic grid chi's length data, the main control board can reach the height of car and the moving direction of car according to the length data of the magnetic grid chi that absolute value sensor read, like this, when having a power failure or other trouble lead to the elevator to stop the back and carry out swift current car rescue, the utility model discloses elevator swift current car rescue automatic checkout device can the automatic detection go out swift current car speed, swift current car direction, height of car to very big improvement rescue efficiency and guarantee personnel's safety improve elevator security.
Drawings
Fig. 1 is the structure schematic diagram of the automatic detection device for elevator sliding rescue.
Fig. 2 is a schematic diagram of the structure of the absolute value sensor in fig. 1 in cooperation with a magnetic scale.
Fig. 3 is a schematic block diagram of the automatic elevator car-sliding rescue detection device of the present invention.
Detailed Description
Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements throughout.
Referring to fig. 1-2, the automatic detecting device 100 for elevator sliding rescue of the present invention includes a magnetic scale 110, an absolute value sensor 120, a main control board 130, a display 140 and a CAN bus 150. The magnetic grid ruler 110 is arranged in an elevator shaft and extends along the height direction of the shaft, the magnetic grid ruler 110 is parallel to a guide rail 400 in the shaft, the absolute value sensor 120 is arranged at the top of the car 200 and is in sliding fit with the magnetic grid ruler 110, and in the moving process of the car 200, the absolute value sensor 120 moves up and down along the magnetic grid ruler 110 so as to read the length data of the magnetic grid ruler 110, so that the length data of the elevator guide rail 400 can be recorded from bottom to top, and the absolute value sensor 120 can also detect the moving speed of the car 200 in real time; the main control board 130 and the display 140 are both arranged on the elevator control cabinet 300 and are electrically connected, the main control board 130 is electrically connected with the absolute value sensor 120 through the CAN bus 150, the main control board 130 is used for receiving the moving speed of the car 200 output by the absolute value sensor 120 and the read length data of the magnetic grid ruler 110, obtaining the height and the moving direction of the car 200 according to the length data of the magnetic grid ruler 110, and then outputting the height, the moving speed and the moving direction of the car 200 to the display 140 for displaying; the moving speed of the car 200 may be the moving speed of the car 200 during normal operation of the elevator, or the sliding speed of the car 200 during sliding rescue of the elevator, and correspondingly, the moving direction of the car 200 may be the moving direction of the car 200 during normal operation of the elevator, or the sliding direction of the car 200 during sliding rescue of the elevator, but not limited thereto.
As shown in fig. 1, the automatic elevator sliding car rescue detection device 100 of the present invention is further provided with a first backup power source 161 and a second backup power source 162, the first backup power source 161 is installed on the top of the car 200 and electrically connected to the absolute value sensor 120, the second backup power source 162 is installed in the elevator control cabinet 300 and electrically connected to the main control board 130 and the display 140, respectively, under the condition that the elevator power source is normal, the first backup power source 161 and the second backup power source 162 are in a standby charging state, under the condition that the elevator has a power failure, the first backup power source 161 automatically supplies power to the absolute value sensor 120, and the second backup power source 162 automatically supplies power to the main control board 130 and the display 140; therefore, the utility model discloses an elevator swift current car rescue automatic checkout device 100 is particularly useful for the elevator has a power failure swift current car rescue's the condition, nevertheless does not regard this as the limit.
Referring to fig. 1-3 again, the utility model discloses an elevator swift current car rescue automatic checkout device 100, elevator are through the well self-learning back, and main control board 130 uses the bottom flat bed of well to calculate the height of car 200 for 0mm benchmark, specifically, after main control board 130 obtained the length data of magnetic grid chi 110 that absolute value sensor 120 read, calculate the length of this length data for 0mm benchmark and then draw the current height of car 200. When the elevator stops, the main control board 130 stores the calculated height of the car 200 when the elevator stops as a first height, when the car 200 performs car sliding rescue, the main control board 130 recalculates the height of the car 200 at the moment according to the length data of the magnetic grid ruler 110 read again by the absolute value sensor 120 and stores the calculated height as a second height, then the second height is compared with the first height, if the second height is greater than the first height, namely the data is increased, the car sliding direction of the car 200 moving upwards is output, otherwise, the data is reduced, and the car sliding direction of the car 200 moving downwards is output.
The working principle and process of the automatic elevator sliding rescue detecting device 100 of the present invention will be described below with reference to fig. 1-3 again, taking the occurrence of power failure accident during the ascending process of elevator as an example.
Under the condition that the elevator power supply is normal, when the elevator runs normally, the first standby power supply 161 and the second standby power supply 162 are in a standby charging state, the absolute value sensor 120 slides along the magnetic grid ruler 110 along with the running of the car 200, in the process, the absolute value sensor 120 reads the length data of the magnetic grid ruler 110 in real time and detects the running speed of the car 200 in real time, and then the read length data of the magnetic grid ruler 110 and the running speed of the car 200 are transmitted to the main control board 130 through the CAN bus 150.
After the elevator self-learns through the hoistway, the main control board 130 calculates the height of the car 200 by taking the bottom flat floor of the elevator as a 0mm standard, specifically, after the main control board 130 acquires the length data of the magnetic grid ruler 110, the length of the length data of the current magnetic grid ruler 110 relative to the 0mm standard is calculated, and then the current height of the car 200 is obtained, and then the main control board 130 outputs the running speed and the current height of the car 200 to the display 140 for displaying.
When power is off, the elevator stops, for example, at this time, the car 200 stays between the five-floor level and the six-floor level, the main control board 130 acquires an elevator stop signal of the elevator, and meanwhile, the first standby power source 161 and the second standby power source 162 automatically enter a working state, the first standby power source 161 supplies power to the absolute value sensor 120, the second standby power source 162 supplies power to the main control board 130 and the display 140, so that the absolute value sensor 120 and the main control board 130 can still work, at this time, the current length data of the magnetic grid ruler 110, which can be read by the absolute value sensor 120, is obtained, the main control board 130 can calculate the current height of the car 200 according to the current length data of the magnetic grid ruler 110, which is read by the absolute value sensor 120, the calculation method is the same as above, and the height of the car 200 at this time is stored as the first height.
When the elevator performs sliding rescue, the car 200 slides to move, the main control board 130 acquires a sliding signal of the elevator, the absolute value sensor 120 detects the sliding speed of the car 200 again and reads the current length data of the magnetic grid ruler 110, then the sliding speed of the car 200 and the current length data of the magnetic grid ruler 110 are transmitted to the main control board 130 through the CAN bus 150, the main control board 130 calculates the length of the current length data of the magnetic grid ruler 110 relative to a 0mm standard again to obtain the current height of the car 200, and the current height of the car 200 is stored as a second height; then, the main control board 130 compares the second height with respect to the first height, if the second height is greater than the first height, that is, the obtained data is increasing, which indicates that the car 200 is moving upwards, and outputs the information of the direction in which the car 200 slides upwards, otherwise, the obtained data is decreasing, which indicates that the car 200 is moving downwards, and outputs the information of the direction in which the car 200 slides downwards; then, the main control board 130 outputs the car sliding speed and the car sliding direction of the car 200 and the height of the car 200 at the moment to the display 140 for displaying, so that the rescue workers can know the speed and the direction of the car sliding of the elevator in real time.
To sum up, because the utility model discloses an elevator swift current car rescue automatic checkout device 100 sets up matched with magnetic grid chi 110, absolute value sensor 120, and consequently, absolute value sensor 120 can real-time detection car 200's the moving speed and read along with the in-process that car 200 removed magnetic grid chi 110's length data, main control board 130 can obtain car 200's height and car 200's moving direction according to the length data of magnetic grid chi 110 that absolute value sensor 120 read, and like this, when having a power failure or other trouble lead to the elevator to stop the back and carry out swift current car rescue, the utility model discloses elevator swift current car rescue automatic checkout device 100 can automated inspection go out car 200's swift current car speed, swift current car direction, height to very big improvement rescue efficiency and guarantee personnel's safety improve elevator security.
The structure and principle of other parts of the automatic elevator sliding rescue detecting device 100 according to the present invention are well known to those skilled in the art, and will not be described in detail herein.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (5)
1. The utility model provides an elevator swift current car rescue automatic checkout device which characterized in that includes:
the magnetic grid ruler is arranged in the elevator shaft and extends along the height direction of the elevator shaft;
the absolute value sensor is arranged on the top of the car and is in sliding fit with the magnetic grid ruler, and the absolute value sensor is used for detecting the speed of the car in moving in real time and reading the length data of the magnetic grid ruler;
the main control board is arranged in the elevator control cabinet and electrically connected with the absolute value sensor, and is used for receiving the speed of the car when the car moves and the read length data of the magnetic grid ruler, which are output by the absolute value sensor, and obtaining the height and the moving direction of the car according to the length data of the magnetic grid ruler.
2. The automatic detection device for elevator sliding rescue according to claim 1, wherein the main control board calculates the height of the car from the length data of the magnetic scale read by the absolute value sensor based on the bottom flat floor of the elevator shaft, stores the height of the car when the car is stopped as a first height, stores the height of the car when the car slides as a second height, and compares the second height with the first height to obtain the sliding direction of the car.
3. The automatic elevator swift current car rescue detection device of claim 1, characterized by further comprising:
the first standby power supply is mounted at the top of the car, electrically connected with the absolute value sensor and used for supplying power to the absolute value sensor during power failure;
and the second standby power supply is arranged in the elevator control cabinet, is electrically connected with the main control board and is used for supplying power to the main control board during power failure.
4. The automatic detection device for elevator sliding rescue of claim 3, further comprising a display installed in the elevator control cabinet, wherein the display is electrically connected with the main control board and the second standby power supply respectively, the second standby power supply is used for supplying power to the display when power is cut off, and the display is used for displaying the height, the moving speed and the sliding direction of the car in real time.
5. The automatic elevator swift current car rescue detection device of claim 1, wherein the absolute value sensor is electrically connected with the dashboard through a CAN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970323.1U CN210393309U (en) | 2019-06-25 | 2019-06-25 | Automatic detection device for elevator sliding rescue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970323.1U CN210393309U (en) | 2019-06-25 | 2019-06-25 | Automatic detection device for elevator sliding rescue |
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| Publication Number | Publication Date |
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| CN210393309U true CN210393309U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920970323.1U Active CN210393309U (en) | 2019-06-25 | 2019-06-25 | Automatic detection device for elevator sliding rescue |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271930A (en) * | 2019-06-25 | 2019-09-24 | 快意电梯股份有限公司 | Elevator car slipping rescues automatic detection device and detection method |
| WO2022259417A1 (en) * | 2021-06-09 | 2022-12-15 | 株式会社日立製作所 | Car position detection device and elevator safety device using same |
-
2019
- 2019-06-25 CN CN201920970323.1U patent/CN210393309U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271930A (en) * | 2019-06-25 | 2019-09-24 | 快意电梯股份有限公司 | Elevator car slipping rescues automatic detection device and detection method |
| WO2022259417A1 (en) * | 2021-06-09 | 2022-12-15 | 株式会社日立製作所 | Car position detection device and elevator safety device using same |
| JP7489547B2 (en) | 2021-06-09 | 2024-05-23 | 株式会社日立製作所 | Cage position detection device and elevator safety device using same |
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