CN213802419U - Elevator safety coefficient with alarm function - Google Patents
Elevator safety coefficient with alarm function Download PDFInfo
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- CN213802419U CN213802419U CN202022303001.7U CN202022303001U CN213802419U CN 213802419 U CN213802419 U CN 213802419U CN 202022303001 U CN202022303001 U CN 202022303001U CN 213802419 U CN213802419 U CN 213802419U
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Abstract
The utility model relates to an elevator safety technical field, concretely relates to elevator safety coefficient with alarm function. The elevator monitoring center aims to solve the problems that a plurality of elevator pictures can not be identified in time when the elevator is displayed on one screen in the traditional mode, and the elevator car loses visual contact with the ground after the elevator leaves the ground at an elevator entrance. The utility model discloses a technical scheme include railway carriage or compartment control system, elevator bottom control system and guard center room control system on duty, car control system in be provided with elevator room warning camera system, can give the display of elevator mouth with the condition between the elevator and be used for showing the interior condition of elevator, guard center room control system on duty is used for controlling entire system.
Description
Technical Field
The utility model relates to an elevator safety technical field, concretely relates to supplementary safety coefficient of elevator with alarm function.
Background
Modern society elevators have become a sign of civilization of urban materials. Elevators are indispensable vertical transport equipment especially in high-rise buildings. The elevator is used as a tool for the up-and-down passing of the buildings and the high-rise buildings, has small occupied area, and can safely, reasonably and effectively send passengers or goods to different floors through electric and other control modes. Based on these advantages, modern high-rise buildings can be developed at a rapid pace. Due to the existence of the elevator, each high-rise building becomes a three-dimensional city.
Because the elevator is a mechanical device controlled by an electric appliance, and the elevator car is a small space (4-5 square) which is closed and vertically runs for a short time, the failure of the device can bring great harm to the spirit and the body of people. And factors irrelevant to the quality of the elevator, such as smoking, jumping, alarming, throwing articles, various irregular and uncivilized actions such as door leaning, door tilting and the like, illegal behaviors of even sexual infringement and the like, cause the small space of the elevator car to bring convenience to people and also bring sense of fear. How to solve this problem, elevator producer and elevator management side are also actively seeking solutions, for example, install the camera in the elevator room, paste some publicity's warning sign etc.. But in practice no good results are achieved.
The traditional elevator safety management method is characterized in that cameras are installed in a car and transmitted to a monitoring center through cables, dozens of cameras of dozens of elevators are simultaneously displayed and recorded in the monitoring center in a multi-picture mode, if a problem is found, a monitoring manager needs to watch the image without eyes in 24 hours a day, and obviously, the problem cannot be judged to occur in the elevator at any time, and then the elevator is rescued to solve the problem because the occurrence of a non-safety event is at any time. In fact, a monitoring manager of a general unit also considers the management of more security cameras at the same time, and the situation of each camera cannot be considered at all. The devices are similar to the dummies in terms of improving the safety of the elevator, and the only value is that the devices can be inquired through stored videos after the events occur. The post-query management mode for the reinforcement of the dead sheep is a negative remedy measure established on the basis that life and property are damaged after a non-safety event occurs, and the safety problem cannot be fundamentally solved. There is therefore a "talk of ladder discoloration" to many people who have experienced an over-ladder fault. Meanwhile, when the public security chases a criminal suspect, once the suspect enters the elevator car to run, the track of the suspect cannot be known, and the trouble is caused to follow-up chasing away because the elevator car leaves the situation that people cannot monitor the inside of the car after the elevator car leaves the ground.
On the other hand, in order to seek a small economic advantage, the elevator management (property) allows a small space to be covered with commercial advertising, together with warning signs (relatively small) which people cannot accept this mixed visual impact at all. The suggestive property is not needed to be dealt with, the warning mark cannot play a due role, and the safety consciousness is greatly reduced.
In addition, after the elevator is trapped, the inherent attributes of the elevator are often related to the quality of the elevator and the problem of a power supply system, so that whether an alarm signal sent by a trapped person can be smoothly transmitted to an alarm center or not, whether personnel in the alarm center can receive the signal at the first time or not, whether personnel for freeing up the trapped person can be sent out at the first time or not, whether the personnel can be found on site and communicated with the trapped person at the first time or not, and the trapped person can be pacified, and the situations cannot be supported by reliable technologies at present. This is the current situation of elevators at home and abroad.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model discloses a solve elevator in traditional mode monitoring center one screen display many elevator pictures and can't discern the problem in time, at elevator entrance and exit, the elevator leaves behind the ground the car will lose the problem of visual contact with the ground; an elevator assisted security visual system with a warning function is provided.
For solving the problems existing in the prior art, the technical scheme of the utility model is that: an elevator safety system with a warning function comprises a car control system, an elevator bottom layer control system and a guard center duty room control system;
the car control system comprises an elevator room warning camera system, a cable rope camera, a wireless transmission transmitting unit, a transmitting antenna and a first power-off alarm;
the elevator room warning camera system and the cable rope camera are respectively electrically connected with the wireless transmission transmitting unit, the elevator room warning camera system is electrically connected with the power-off alarm, and the wireless transmission transmitting unit is electrically connected with the transmitting antenna;
the elevator room warning camera system comprises an elevator room warning camera, a white light lamp and a first voice device, wherein the white light lamp and the first voice device are respectively and electrically connected with the elevator room warning camera and are packaged in a shell;
the elevator floor control system comprises a receiving antenna, a wireless transmission receiving unit, an image receiving and recording control unit, an image display, an elevator entrance warning machine, a power-off alarm II, an elevator entrance warning machine and an alarm unit;
the receiving antenna receives a wireless signal from the transmitting antenna, the receiving antenna is electrically connected with the wireless transmission receiving unit, the image receiving and video recording control unit and the image display in sequence, the image display and the image receiving and video recording control unit are electrically connected with the elevator entrance warning machine, the image receiving and video recording control unit is electrically connected with the alarm unit, the image display is arranged at the elevator entrance, and the elevator entrance warning machine is arranged opposite to the elevator entrance;
the guard center on-duty room control system comprises a display, a storage unit and an alarm query host, wherein the alarm query host is electrically connected with the alarm unit, and the display and the storage unit are respectively connected with the alarm query host.
Furthermore, the car control system further comprises a system power supply I and an uninterrupted backup power supply I, the system power supply I supplies power to the car control system and charges the uninterrupted backup power supply I, after the system is powered off, the uninterrupted backup power supply I supplies power to the elevator bottom layer control system, and the uninterrupted backup power supply I is connected with the power-off alarm I.
Further, the elevator bottom control system further comprises a system power supply II and an uninterrupted backup power supply II, the system power supply II supplies power to the elevator bottom control system and charges the uninterrupted backup power supply II, after the system is powered off, the uninterrupted backup power supply II supplies power to the elevator bottom control system, and the uninterrupted backup power supply II is connected with the power-off alarm II.
Further, the duty room control system of the guard center further comprises a third system power supply and a third uninterrupted backup power supply, wherein the third system power supply supplies power to the duty room control system of the guard center and charges the third uninterrupted backup power supply, and after the system is powered off, the third uninterrupted backup power supply supplies power to the duty room control system of the guard center.
Furthermore, the elevator room warning camera is electrically connected with the manual alarm button.
Furthermore, the image display is also connected with a second voice device.
Further, the elevator room warning camera system is arranged in the elevator car.
Compared with the prior art, the utility model has the advantages as follows:
1. the utility model discloses having abandoned the traditional camera of installation then all passed to the design theory of surveillance center centralized management in elevator car, having proposed the visual image management system of distributed elevator access & exit, every elevator is independent one set of microsystem of one set of (including making a video recording, warning, transmission, show, the video recording, report to the police etc.), great saving is transmitted central and big screen centralized display and is consumed the cost expense (this kind of cost is invalid).
2. The utility model discloses warning camera adopts to have light and pronunciation warning, alarm input, warning camera as an organic whole of alarm output function between the elevator among the well warning camera system between the elevator. When a person enters the elevator car, the warning camera can automatically broadcast warning voice related to the safety of the elevator to remind people to standardize own behaviors, improve safety consciousness and simultaneously send a control signal to the elevator bottom layer control system, a display screen at an elevator opening is opened to display a real-time image of the elevator car for external personnel at an elevator entrance of a floor to watch, and the defect that once the traditional elevator car runs and leaves the ground, the visual link is lost is thoroughly changed, so that the safety of the elevator car is greatly improved, and the condition of the elevator car can be known through the real-time image at any time and any place; and after the situation occurs, the specific position of the problem can be determined through the real-time images and the floor number displayed by the elevator entrance. When the public security chases a criminal suspect, once the suspect enters the elevator to run, the track of the suspect can be known in real time, and accurate information is provided for subsequent pursuit;
3. the cable rope camera of the utility model is an infrared camera, is arranged at the pulley block and the rope twisting position above the outside of the elevator car, monitors and records the running conditions of the pulley and the steel rope in real time, analyzes the safety state of the steel rope in real time, and provides early warning parameters for the safe running of the steel rope of the elevator;
4. the utility model discloses an image and the image transmission of class hank rope of wireless transmission's mode in with elevator car reach elevator bottom control system, elevator bottom control system passes through the connecting wire and shows the image display of one deck elevator entrance to the image in the elevator car (do not show the image of class hank rope), supply outside coming and going personnel to watch and know the inside condition of elevator car, all prepare to get into and leave the elevator personnel of car and all can obtain the warning effect through the mode of this kind of direct-view car image, this image display has the people to open automatically in for the car, 30 seconds are automatic to put down the screen during unmanned time delay, save power consumption, extension equipment life.
5. The utility model discloses an install a warning camera on the opposite wall that a floor elevator was imported and exported, implement the real time monitoring to elevator access & exit personnel and display device, effectively guarantee the safe operation of equipment. When people move at the entrance and exit of the elevator, the warning camera can send warning voice related to elevator riding, and sends a control signal to start the display screen to open, so as to display real-time images in the elevator car (not displaying the images of the entrance and the exit, but storing the recorded images of the entrance and the exit).
6. The utility model discloses each subsystem has not only configured the alternating current power supply system but also configured incessant direct current back-up power supply system simultaneously, and after the outage trouble appeared in the elevator, outage alarm system can automatic seamless switching to back-up power supply assurance system's normal work 3-4 hours. The light of elevator room warning camera can be opened simultaneously to the car system, provide the light source for elevator car, reduce stranded personnel's fear and feel, the camera can send "the elevator breaks down temporarily, the information has reported to the center of on duty, the rescue will arrive at once, do not have a panic" voice prompt, elevator floor control system also can send the information of elevator trouble to the room of on duty at the entrance guard center in a few seconds after receiving alarm information, the room of on duty at the entrance guard center receives the warning and can assign the professional immediately and arrive trouble elevator rescue.
7. The utility model discloses still set up manual alarm button in the car and on the bottom entry display respectively simultaneously, when taking place the unsafe event in elevator car, the victim can press alarm button, the voice channel will be opened automatically to the elevator room warning camera, send out the warning language and will the voice in the car be conveyed to the image display ware of installing at the first floor elevator mouth and broadcast the pronunciation through the loudspeaker, be passed to the guard center duty room as alarm information simultaneously and seek help, at this moment the image display ware will be opened for a long time, make the interior image of car show for a long time, the people of first floor elevator mouth realizes two-way understanding the condition through image display ware and the personnel in the car and alleviates stranded mood of the interior personnel of car, wait for the rescue personnel to arrive; if the customer at the entrance of the elevator at one floor finds the abnormal condition of the elevator car, the customer can also press an alarm button on the image display to send alarm information to a duty room of a toilet center to wait for rescue and repair.
8. The utility model discloses strengthened taking advantage of terraced personnel's psychology mental effect, guaranteed immediately that to provide rescue service, effectively stop the emergence of non-safety incident, improved the safety guarantee who takes advantage of terraced people greatly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic block diagram of a car control system of the present invention;
fig. 3 is a schematic block diagram of an elevator floor control system of the utility model;
FIG. 4 is a schematic block diagram of the duty room of the utility model;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model relates to an elevator safety system with warning function, which comprises a car control system, an elevator bottom layer control system and a guard center duty room control system, as shown in figure 1;
firstly, a car control system, as shown in fig. 2;
1, the system structure comprises:
the car control system comprises an elevator room warning camera 1, a white light lamp 2 and a voice device I3, wherein the elevator room warning camera system consists of an elevator room warning camera system, a cable rope camera 4, a wireless transmission transmitting unit 5, a transmitting antenna 6, an uninterrupted backup power source I7, a system power source I8, a power-off alarm I9 and a manual alarm button 10;
the white light lamp 2 and the first voice device 3 are respectively electrically connected with the elevator room warning camera 1;
the elevator room warning camera 1 and the cable rope camera 4 are respectively electrically connected with the wireless transmission transmitting unit 5, the elevator room warning camera 1 is electrically connected with the first power-off alarm 9, the wireless transmission transmitting unit 5 is electrically connected with the transmitting antenna 6, the elevator room warning camera 1 is also electrically connected with the manual alarm button 10, the first system power supply 8 supplies power for the car control system and charges the first uninterrupted backup power supply 7, the first uninterrupted backup power supply 7 supplies power for the elevator bottom control system after the system is powered off, and the first uninterrupted backup power supply 7 is connected with the first power-off alarm 9.
The elevator room warning camera system is arranged in an elevator car, the elevator room warning camera 1 is a warning white light camera (only white light and no infrared light), and the roof of the elevator car is an infrared camera, namely an electric cable camera 4.
2) Description of the work:
the elevator room warning camera 1, the white light lamp 2 and the first voice device 3 are integrated in a shell and are installed in the elevator car, and when a person moves in the elevator room, the elevator room warning camera 1 can send out warning sounds of elevator safety cautions through the first voice device 3; meanwhile, the field collected image and the control signal are transmitted to the wireless transmission transmitting unit 5; when the elevator is in a power-off state or an alarming state, the elevator room warning camera 1 can turn on the white light lamp 2 to ensure that the elevator car is illuminated and send out a prompt voice of 'the elevator is temporarily in failure, the alarming information is sent to a duty center, the rescue can be reached quickly, the elevator needs to stand by with patience and does not need to be alarmed';
the electric cable camera 4 is an infrared camera arranged for observing the electric cable, is arranged on the upper part outside the elevator car, monitors the state of the electric cable of the elevator in real time, records the images at regular time, and qualitatively obtains the safety parameters of the electric cable by image analysis.
The wireless transmission transmitting unit 5 and the transmitting antenna 6 are used for combining the image and the control signal in the elevator car and the image of the electric cable camera 4 outside the elevator car and transmitting the combined image through the wireless transmitting unit 5 and the transmitting antenna 6.
The first system power supply 8 is used for converting 220V alternating current into system power for supplying energy to each part of the system through A/D conversion, and charging the uninterruptible power backup power supply 7.
When the car system is in power failure and has a fault, the power failure alarm 9 can seamlessly switch the power supply to be a backup power supply system, the system is ensured to work normally, the white light of the camera is turned on, when the car is in other unsafe states, people in the car can press the manual alarm button 10, the elevator room alarm camera 1 can send out alarm voice, turn on the first voice device 3 and transmit the voice in the car to the horn in the image display device of the elevator entrance of the first floor for sound production.
Secondly, an elevator floor control system is shown in figure 3;
1, the system structure comprises:
the elevator floor control system comprises a receiving antenna 11, a wireless transmission receiving unit 12, an image receiving and recording control unit 13, an image display 14, a system power supply II 15, an uninterrupted backup power supply II 16, a power failure alarm II 17, an elevator entrance warning machine 18, an alarm unit 19 and a voice device II 20;
the receiving antenna 11 receives a signal from the transmitting antenna 6 of the car control system, the receiving antenna 11 is electrically connected with the wireless transmitting and receiving unit 12, the image receiving and recording control unit 13 and the image display 14 in sequence, the image display 14 and the image receiving and recording control unit 13 are electrically connected with the elevator entrance warning machine 18, the image display 14 is also electrically connected with the second voice device 20, and the image receiving and recording control unit 13 is electrically connected with the alarm unit 19; and a second system power supply 15 supplies power to the elevator bottom control system and charges a second uninterrupted backup power supply 16, the second uninterrupted backup power supply 16 supplies power to the elevator bottom control system after the system is powered off, and the second uninterrupted backup power supply 16 is connected with a second power-off alarm 17.
The image display 14 is installed at the entrance of the elevator at one floor, and is controlled not only by the car control system but also by the elevator entrance warning machine 18.
2) Description of the work:
the receiving antenna 11 and the wireless transmission receiving unit 12 receive the wireless image signal from the front elevator car and then transmit the wireless image signal to the image receiving and recording control unit 13; the image receiving and recording control unit 13 transmits the image signal to the image display 14, and opens the image display 14 to display images or closes the display screen according to the control signal instruction, and controls the second voice device 20 to send out alarm sound according to the instruction to realize two-way talkback.
The second system power supply 15 provides 220V of alternating current at the bottom layer of the elevator to energy sources of all parts of the system through A/D conversion, and charges the second uninterrupted backup power supply 16.
Elevator mouth warning machine 18 sends the image of elevator mouth to image reception video recording control unit 13 and passes through image reception video recording control unit 13 according to the instruction of whether coming the people and start the video recording, directly starts image display 14 simultaneously and shows the car image, and elevator mouth warning machine 18 can send safe voice prompt simultaneously, and the night also can come the people and turn on the light illumination for 30 seconds automatically.
And when the system at the back end of the elevator has a power failure fault, the power failure alarm 17 can be automatically switched to the uninterrupted backup power supply II 16 to supply power to the system, so that the normal work of the system is ensured.
When an alarm signal is sent out in the elevator car, the car fault alarm unit 19 transmits the received information to the alarm inquiry host 23 of the duty center in a wired mode.
Thirdly, a guard center duty room control system, as shown in fig. 4;
1) the system structure comprises:
the guard center on duty room control system include display 21, memory cell 24, alarm inquiry host 23 and 19 electric connection of alarm unit, display 21, memory cell 24 are connected with alarm inquiry host 23 respectively, three 26 and three 25 of uninterrupted backup power supply of system power supply, three 26 of system power supply are guard center on duty room control system power supply to charge three 25 of uninterrupted backup power supply, after the system outage, three 25 of uninterrupted backup power supply are guard center on duty room control system power supply.
2) Description of the work:
1: and alternating current 220V of the entrance guard center enters an uninterrupted backup power supply III 25 after being subjected to A/D conversion by a system power supply III 26 to supply power to the alarm query host 23 and the display screen 21 system and is responsible for charging the backup power supply. When the system power supply is powered off, the backup power supply can automatically switch power supply, and the normal work of the system is ensured.
2: the alarm inquiry main unit 23 is linked with the remote elevator rear-end alarm unit 19 (can be linked with 99 elevators) through a bus, and inquires the elevators in management one by one. If the alarm display 21 of a certain elevator displays the number of the elevator, the alarm horn 22 gives an alarm, and the storage unit 24 records the alarm.
The utility model discloses a working process:
1: when people with infrared heat appear in the car, the elevator room warning camera system is started to send out voice warning reminding, and the wireless transmission transmitting unit 5 sends out a control signal through the transmitting antenna 6 and then sends out a receiving system to the bottom layer through wireless transmission. The bottom elevator control system can automatically record the video and start the image display 14 to work after receiving the control signal, displays and records the images in the elevator in real time, and closes the display screen and closes the video after delaying for 30 seconds after the personnel leave the elevator car.
2: when the elevator is empty or in a halt, the underlying system image display 14 will automatically turn off. When the user approaches the elevator entrance, the display will automatically open to display the image inside the elevator car.
3: when a non-safety event occurs inside the elevator car, the alarm button 10 can be pressed to alarm, and at the moment, the elevator car alarm camera 1 sends out alarm voice, turns on the white light lamp 2 and converts the alarm information into a code to be sent out along with an image. After the elevator bottom system host receives the alarm information, automatically opening an image display 14 of an elevator entrance at one floor and displaying real-time images and field voice in the elevator car until the alarm is released; meanwhile, the information with the elevator code is sent to a duty room of a guard center, and rescue is rapidly obtained. If the elevator has a power failure accident, the warning camera in the elevator room can automatically turn on light to provide illumination, send voice prompt and automatically send alarm information to a guard center on duty because of certain faults of the elevator.
4: the bottom system still installs a warning camera in elevator entrance opposite face, monitors at any time and takes notes the personnel's of elevator mouth activity condition and the security state of display, and the warning chance sends the relevant warning pronunciation of taking advantage of the ladder safely when someone walks into the elevator entrance to the automatic control display screen is opened, shows the inside image of this elevator in real time, through control host computer record image, the record of high definition image plays important effect to the safe inquiry of cominging in and going out of elevator mouth. Meanwhile, the device plays a role in protecting the safety of equipment.
5: in order to improve the safe operation of the elevator, a cable rope camera 4 is arranged on the upper part outside the elevator car to monitor the working states of the cable rope and the pulley at any time, record video at regular time, analyze images and provide safe early warning parameters.
6: in order to avoid accidents caused by power failure of the elevator, all parts of the system provide uninterrupted backup power supplies, and the system can not stop working no matter what kind of power failure accidents occur. The backup power system may provide support for about 3-4 hours.
7: the system is provided with a guard center duty room, an inquiry host of the guard center duty room continuously sends inquiry information to the administered elevator through a bus, when the elevator with problems receives the information, alarm information can be automatically replied to the inquiry host, and at the moment, the inquiry host can display the code and fault code of the elevator with problems on a display screen and send out alarm sound to remind the person on duty to watch and process the elevator.
8: the system may perform live playback queries on the recorded images.
9: in order to ensure that the hardware of the system and the hardware of the elevator system do not have any direct intersection in the safe operation of the elevator, therefore, the normal play and use of the other system cannot be influenced when any system fault occurs in each system.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (7)
1. An elevator safety system with alarm function which characterized in that: comprises a car control system, an elevator bottom layer control system and a guard center duty room control system;
the car control system comprises an elevator room warning camera system, a cable rope camera (4), a wireless transmission transmitting unit (5), a transmitting antenna (6) and a first power-off alarm (9);
the elevator room warning camera system and the cable rope camera (4) are respectively electrically connected with the wireless transmission transmitting unit (5), the elevator room warning camera system is electrically connected with the first power-off alarm (9), and the wireless transmission transmitting unit (5) is electrically connected with the transmitting antenna (6);
the elevator room warning camera system comprises an elevator room warning camera (1), a white light lamp (2) and a first voice device (3), wherein the white light lamp (2) and the first voice device (3) are respectively electrically connected with the elevator room warning camera (1) and are packaged in a shell;
the elevator floor control system comprises a receiving antenna (11), a wireless transmission receiving unit (12), an image receiving and recording control unit (13), an image display (14), a power-off alarm II (17), an elevator entrance warning machine (18) and an alarm unit (19);
the receiving antenna (11) receives a wireless signal from the transmitting antenna (6), the receiving antenna (11) is electrically connected with the wireless transmission receiving unit (12), the image receiving and video recording control unit (13) and the image display (14) in sequence, the image display (14) and the image receiving and video recording control unit (13) are electrically connected with the elevator entrance warning machine (18), the image receiving and video recording control unit (13) is electrically connected with the alarm unit (19), the image display (14) is arranged at the elevator entrance, and the elevator entrance warning machine (18) is arranged opposite to the elevator entrance;
the guard center duty room control system comprises a display (21), a storage unit (24) and an alarm query host (23), wherein the alarm query host (23) is electrically connected with an alarm unit (19), and the display (21) and the storage unit (24) are respectively connected with the alarm query host (23).
2. An elevator safety system with warning function as claimed in claim 1, wherein: the car control system further comprises a system power supply I (8) and an uninterruptible backup power supply I (7), the system power supply I (8) supplies power for the car control system, the uninterruptible backup power supply I (7) is charged, after the system is powered off, the uninterruptible backup power supply I (7) supplies power for the elevator bottom control system, and the uninterruptible backup power supply I (7) is connected with the power-off alarm I (9).
3. An elevator safety system with warning function as claimed in claim 1, wherein: the elevator bottom control system further comprises a second system power supply (15) and a second uninterrupted backup power supply (16), the second system power supply (15) supplies power to the elevator bottom control system and charges the second uninterrupted backup power supply (16), the second uninterrupted backup power supply (16) supplies power to the elevator bottom control system after the system is powered off, and the second uninterrupted backup power supply (16) is connected with a second power-off alarm (17).
4. An elevator safety system with warning function as claimed in claim 1, wherein: the guard center duty room control system further comprises a system power supply III (26) and an uninterrupted backup power supply III (25), the system power supply III (26) supplies power for the guard center duty room control system and charges the uninterrupted backup power supply III (25), and after the system is powered off, the uninterrupted backup power supply III (25) supplies power for the guard center duty room control system.
5. An elevator safety system with warning function as claimed in claim 2, wherein: the elevator room warning camera (1) is also electrically connected with the manual alarm button (10).
6. An elevator safety system with warning function as claimed in claim 3, characterized in that: the image display (14) is also connected with a second voice device (20).
7. An elevator safety system with warning function as claimed in claim 5, wherein: the elevator room warning camera system is arranged in the elevator car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022303001.7U CN213802419U (en) | 2020-10-16 | 2020-10-16 | Elevator safety coefficient with alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022303001.7U CN213802419U (en) | 2020-10-16 | 2020-10-16 | Elevator safety coefficient with alarm function |
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| Publication Number | Publication Date |
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| CN213802419U true CN213802419U (en) | 2021-07-27 |
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| CN202022303001.7U Active CN213802419U (en) | 2020-10-16 | 2020-10-16 | Elevator safety coefficient with alarm function |
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