CN215207917U - Elevator trapping alarming and rescuing system - Google Patents
Elevator trapping alarming and rescuing system Download PDFInfo
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- CN215207917U CN215207917U CN202121254272.6U CN202121254272U CN215207917U CN 215207917 U CN215207917 U CN 215207917U CN 202121254272 U CN202121254272 U CN 202121254272U CN 215207917 U CN215207917 U CN 215207917U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model relates to a stranded warning rescue system of elevator. The problem of current elevator can not in time discover the stranded people of elevator and report to the police to and lack illumination and ventilation after the elevator is stranded is solved. The system comprises a door state detection unit, an elevator state detection unit, a human body detection unit, a door opening time detection unit, an emergency ventilation unit, an emergency lighting unit, a standby power supply and a communication unit. The main control board receives signals of all the units, judges the trapping condition of the elevator, sends an alarm signal to the rescue center through the communication unit, and controls the fan to work at the same time. The utility model discloses can synthesize through multiple factor and judge, accurate timely judge and report to the police the stranded people condition of elevator, prevent the erroneous judgement condition. Ventilate in the elevator, prevent that personnel from producing the vexed condition in being stranded the elevator, switch to stand-by power supply and carry out emergency lighting under the outage condition.
Description
Technical Field
The utility model relates to an elevator technical field especially relates to a stranded warning rescue system of elevator.
Background
The elevator also can break down for the necessity that people came in and go out the building at present, the elevator brings convenience for people, stranded the people in the elevator, need in time discover and rescue when the passenger is stranded in the elevator, still can accompany the outage in addition during the elevator trouble, can cause the panic to the passenger easily, and the elevator is an enclosure space, the circulation of air is unobstructed, especially under the hot weather condition, the elevator does not ventilate and causes the temperature to rise, make stranded passenger produce adverse reactions such as vexation, cause the personal accident even. Therefore, an elevator rescue system which can find out the trapped people in time, give an alarm and provide illumination and ventilation for the trapped passengers is needed to be designed.
Disclosure of Invention
The utility model discloses mainly solved current elevator can not in time discover the stranded people of elevator and the problem of reporting to the police to and lack the problem of illumination and ventilation behind the stranded people of elevator, provide a stranded people of elevator warning rescue system.
The utility model provides a technical scheme that its technical problem adopted is: an elevator trapping alarm rescue system comprises a first elevator car body,
the elevator door state detection unit comprises a position sensor for detecting the position of the elevator door, and the position sensor is connected with the main control board and sends an elevator door position signal to the main control board; the position sensor is connected to an I/O port of the main control board, the position sensor is installed on the elevator door, an elevator door closing signal is generated when the elevator door is closed in place and sent to the main control board, and the main control board judges whether the elevator door is closed according to the elevator door closing signal.
The elevator state detection unit comprises an encoder connected to a rotating shaft of the traction machine, the encoder is connected with the main control board, and a speed signal is generated and sent to the main control board; the encoder is also connected with the tractor, the encoder calculates the running speed of the elevator according to the state of the tractor and sends the running speed to the main control board, and the main control board judges whether the elevator runs or not according to the running speed of the elevator and judges that the elevator is in a stop state if the running speed is zero.
The human body detection unit comprises a heat energy sensor for detecting a human body, and the heat energy sensor is connected with the main control board and sends heat energy information to the main control board; the heat energy inductor detects heat energy in the elevator, detects heat energy signals when someone is in the elevator, judges someone in the elevator, and sends the detection result to the main control board. The heat energy inductor is installed in an upper portion angle department of elevator, can cross fine and detect in the whole car.
The door opening time detection unit comprises a timer for counting the maximum door opening time of the ladder door, the timer is in bidirectional connection with the main control board, the counting is started after the ladder door is closed, and a signal is sent to the main control board after the counting is finished; the timer is arranged on the main control board, the timer works under the control of signals of the main control board, after the elevator door is closed in place, the main control board sends a working starting signal to the timer, the timer sets counting time in advance, the counting time is set as the longest time required by one time of operation after the elevator door is closed, namely the latest door opening time, and a numerical value is estimated according to the current floor, the elevator operation speed and the door opening and closing time.
The emergency lighting unit is connected with the standby power supply to form a loop, and is switched to be connected with the standby power supply under the condition of power failure of the main power supply of the elevator, and the standby power supply is respectively connected with the main control panel and the main power supply of the elevator; the emergency lighting unit is used for carrying out emergency lighting under the elevator outage condition, and the emergency lighting unit is connected with stand-by power supply, and whether switches to being connected with stand-by power supply according to elevator main power source state, and stand-by power supply is connected with the main power source, has the main power source to charge under normal conditions, and stand-by power supply is connected with the main control board, supplies power for the main control board after the elevator main power source outage for the main control board can report to the police the operation such as.
The emergency ventilation unit comprises a fan for ventilating the interior of the elevator, and the fan is connected with the main control board;
the main control board is connected with the rescue center through the communication unit, judges whether the elevator is trapped according to the information of the elevator door detection unit, the elevator state detection unit, the human body detection unit and the door opening time detection unit, generates an alarm signal under the condition of trapping judgment, sends the alarm signal to the rescue center and controls the fan to work. The main control board receives a door stop state signal, a door closing state signal, a person signal in the elevator and a door long-time closing state signal, judges the elevator trapping condition and sends an alarm signal to the rescue center through the communication unit.
The utility model discloses can judge the stranded people condition of elevator according to personnel's taking condition in elevator door state, elevator running state, the elevator, elevator switch door time, synthesize the judgement through multiple factor, can be accurate timely judge and report to the police the stranded people condition of elevator, prevent the erroneous judgement condition. And can open the fan and ventilate in to the elevator, prevent that personnel from producing the vexed condition in being stranded the elevator, switch to stand-by power supply and carry out emergency lighting under the outage condition.
As a preferable scheme of the scheme, the emergency lighting unit comprises an emergency lamp and a change-over switch, the emergency lamp, the change-over switch and a standby power supply are connected to form a loop, and a main power supply of the elevator is connected to a control end of the change-over switch. The state control change over switch switching of this scheme elevator main power supply, under the elevator main power supply outage circumstances, the change over switch closure switches on emergency light and stand-by power supply's circuit, is supplied power to the emergency light by stand-by power supply. The emergency light is fixed on the top or the side wall of the elevator, and the standby power supply can be installed together with the emergency light or separately installed on the top of the elevator.
As a preferable scheme of the above scheme, the change-over switch includes a first relay and a second relay, a coil K11 of the first relay and a coil K21 of the second relay are connected in series and then connected to a main power line of the elevator, a contact K12 of the first relay is connected in series to a loop connecting the emergency lamp and the standby power supply, a contact K22 of the second relay is connected in series to a line connecting the standby power supply and the main control board, and the contact K12 and the contact K22 are normally closed switches. Under the condition that elevator main power source has electricity, first relay and second relay work, contact K12 and contact K22 disconnection, emergency light lamp return circuit disconnection inoperative this moment, stand-by power source and main control panel disconnection, stand-by power source is charged by the elevator main power source. Under the elevator main power outage condition, first relay and the inoperative of second relay outage, emergency light switches on with stand-by power supply circuit, and stand-by power supply and main control board intercommunication carry out emergency lighting for the emergency light power supply through stand-by power supply, and stand-by power supply supplies power for the main control board simultaneously for the main control board can work, sends alarm signal and gives rescue center, and the control fan carries out work.
As a preferred scheme of the scheme, the top of the elevator is provided with a vent hole, the fan is installed in the vent hole, the bottom of one side wall of the elevator is provided with an air inlet, an air channel is arranged in the side wall of the elevator, the lower end of the air channel is connected with the air inlet, and the upper end of the air channel is connected to the side wall of the vent hole at the upper part of the fan. In this scheme the fan blew in the elevator with the air of outside for the air is taken a breath in the elevator, and the fan also can be extracted the air in the wind channel simultaneously, and the air of wind channel lower extreme extraction elevator bottom gets into the wind channel and circulates the ventilation hole, and partly circulates to the outside, and partly is blown in to the elevator by the upper portion by the fan in, carries out the circulation flow to the air in the elevator, prevents that passenger from producing the vexed sensation of air in the elevator.
As an optimal scheme of the scheme, a suspended ceiling is hung at the top of the elevator, a gap is formed between the edge of the suspended ceiling and the side wall of the elevator, and a guide plate for guiding air to the side wall of the elevator is arranged outside the opening at the lower end of the ventilation hole. The fan setting is hung at the elevator top on the elevator top in this scheme and is established the furred ceiling, can shelter from elevator top fan, has the space between furred ceiling and the top simultaneously for the air that blows in by the fan can circulate, and the furred ceiling is equipped with the clearance all around with the elevator between the lateral wall all around, and the air is blown in the elevator by the clearance. The guide plate sets up in the position department that ventilation hole lower extreme opening leans on the elevator center, and the guide plate slope is towards the elevator lateral wall that corresponds the side, because the ventilation hole is not seted up at the elevator dead center, can blow off the air direction elevator lateral wall department by the clearance through the guide plate.
As a preferable scheme of the above scheme, a circle of side edge is arranged on the opening at the upper part of the vent hole, a top cover is buckled on the side edge, and a plurality of circulation holes are arranged on the side edge. Set up the top cap in this scheme and can shelter from the ventilation hole on the ventilation hole, prevent that the foreign matter from falling into in the ventilation hole, set up the opening simultaneously on the side edge for the air can get into in the ventilation hole by the side.
As a preferable scheme of the above scheme, filter screens are respectively arranged at the upper end of the air duct and the air inlet. This scheme sets up the filter screen in air intake and wind channel upper end and ventilation hole junction, prevents that the foreign matter from getting into the wind channel and forming the jam to the wind channel for the wind channel wind-guiding is more smooth and easy.
The utility model has the advantages that: the elevator trapping situation can be judged according to the elevator door state, the elevator running state, the elevator in-car passenger taking situation and the elevator door opening and closing time, comprehensive judgment can be carried out through various factors, the elevator trapping situation can be judged and alarmed accurately and timely, and misjudgment is prevented. Can open the fan and ventilate in to the elevator, prevent that personnel from producing the vexed condition in stranded elevator, switch to stand-by power supply and carry out emergency lighting under the outage condition.
Drawings
FIG. 1 is a block diagram of a structure of the present invention;
fig. 2 is a schematic diagram of a circuit structure of the emergency lighting unit of the present invention;
fig. 3 is a schematic view of the emergency ventilation unit of the present invention installed in an elevator.
The system comprises a door state detection unit 1, a door state detection unit 2, a position sensor 3, an elevator state detection unit 4, an encoder 5, a human body detection unit 6, a heat energy sensor 7, a door opening time detection unit 8, a timer 9, an emergency lighting unit 10, an emergency lamp 11, an emergency ventilation unit 12, a fan 13, a main control board 14, a rescue center 15, a standby power supply 16, an elevator main power supply 17, a change-over switch 18, a ventilation hole 19, an air inlet 20, an air duct 21, a suspended ceiling 22, a guide plate 23, a side edge 24, a top cover 25, a ventilation hole 26, a filter screen 27 and a communication unit.
Detailed Description
The technical solution of the present invention is further described below by way of examples and with reference to the accompanying drawings.
Example (b):
the elevator trapping alarm rescue system of the embodiment comprises a door state detection unit 1, an elevator state detection unit 3, a human body detection unit 5, a door opening time detection unit 7, an emergency ventilation unit 11, an emergency lighting unit 9, a standby power supply 15 and a communication unit 27, as shown in fig. 1.
The elevator door state detection unit comprises a position sensor 2 for detecting the position of the elevator door, and the position sensor is connected with the main control board and sends an elevator door position signal to the main control board; the position sensor is arranged on the elevator door, the position sensor acts to send a signal when the elevator door is closed in place, the signal is sent to the main control board, and the main control board judges that the elevator door is closed after receiving the signal.
The elevator state detection unit 3 comprises an encoder 4 connected to a rotating shaft of the traction machine, and the encoder is connected with the main control board to generate a speed signal and send the speed signal to the main control board; when the elevator stops, the speed signal is zero, the main control board receives the speed signal to judge that the elevator is in a stop state, and when the elevator runs, the speed signal is not zero, and the main control board receives the speed signal to judge that the elevator is in a running state.
The human body detection unit 5 comprises a heat energy sensor 6 for detecting a human body, and the heat energy sensor is connected with the main control board and sends heat energy information to the main control board; the heat energy inductor can be infrared human body inductor, installs top one corner in the elevator, has passenger's condition in the elevator under, and the heat energy inductor detects heat energy and produces signal transmission and give the main control board, and the main control board judges someone in the elevator after receiving this signal.
The door opening time detection unit 7 comprises a timer 8 for counting the maximum door opening time of the ladder door, the timer is in bidirectional connection with the main control board, the counting is started after the ladder door is closed, and a signal is sent to the main control board after the counting is finished; the timer is arranged on the main control board, the timer works and is started by the main control board signal, after the elevator door is closed in place, the main control board sends a working starting signal to the timer, the timer presets counting time, the counting time is set as the longest time required by one time of operation after the elevator door is closed, namely the latest door opening time, and a numerical value is estimated according to the current floor, the elevator operation speed and the door opening and closing time.
The emergency lighting unit 9 comprises an emergency lamp 10 and a change-over switch 17, wherein the emergency lamp, the change-over switch and a standby power supply are connected to form a loop, and a main power supply of the elevator is connected to a control end of the change-over switch. The emergency lamp is connected with a standby power supply under the condition of power failure of the main power supply of the elevator, and the standby power supply is also respectively connected with the main control panel and the main power supply 16 of the elevator; the emergency lamp is used for emergency lighting under the condition that the elevator is powered off by the standby power supply, and the change-over switch executes to connect the emergency lamp with the standby power supply or not according to the state of the main power supply of the elevator. The standby power supply is connected with the main power supply, the standby power supply adopts a rechargeable battery pack, and the main power supply charges the standby power supply under normal conditions. The standby power supply is connected with the main control board, and supplies power to the main control board after the power failure of the main power supply of the elevator, so that the main control board can perform operations such as alarming.
The emergency ventilation unit 11 comprises a fan 12 for ventilating the interior of the elevator, and the fan is connected with the main control board and is controlled by the main control board to work;
the main control board 13 is connected with the rescue center through the communication unit 27, whether the elevator is trapped or not is judged according to the information of the landing door detection unit, the elevator state detection unit, the human body detection unit and the door opening time detection unit, the trapping condition of the elevator is judged after the landing door is in a stop state signal, the landing door closing state signal, a person signal in the elevator and the landing door long-time closing state signal are received, the main control board sends an alarm signal to the rescue center 14 through the communication unit, and meanwhile, the fan is controlled to work.
As shown in fig. 2, the changeover switch 17 includes a first relay including a coil K11 and a normally closed contact K12, and a second relay including a coil K12 and a normally closed contact K22. Coil K11 and coil K21 are connected in series and then connected to the elevator main power line. The contact K12 is connected in series on the loop formed by the emergency lamp and the standby power supply, and the contact K22 is connected in series on the line connecting the standby power supply and the main control board. Under the condition that elevator main power source has electricity, first relay and second relay work, contact K12 and contact K22 disconnection, emergency light lamp return circuit disconnection inoperative this moment, stand-by power source and main control panel disconnection, stand-by power source is charged by the elevator main power source. Under the elevator main power outage condition, first relay and the inoperative of second relay outage, emergency light switches on with stand-by power supply circuit, and stand-by power supply and main control board intercommunication carry out emergency lighting for the emergency light power supply through stand-by power supply, and stand-by power supply supplies power for the main control board simultaneously for the main control board can work, sends alarm signal and gives rescue center, and the control fan carries out work.
As shown in fig. 3, in the structure for specifically mounting the emergency ventilation unit on the elevator, a vent hole 18 is formed in the top of the elevator, the vent hole penetrates through the top of the elevator, a circle of side edge 23 is arranged on an opening in the upper part of the vent hole, a top cover 24 is buckled on the side edge, and a plurality of circulation holes 25 are formed in the side edge. The fan is arranged at the lower end part close to the inside of the ventilation hole, an air inlet 19 is arranged at the bottom of one side wall of the elevator, an air duct 20 is arranged in the side wall of the elevator, the lower end of the air duct is connected with the air inlet, and the upper end of the air duct is connected to the side wall of the ventilation hole at the upper part of the fan. The upper end of the air duct and the air inlet 19 are respectively provided with a filter screen 26. The top of elevator hangs and is equipped with furred ceiling 21), is equipped with the clearance between furred ceiling border and the elevator lateral wall, is provided with guide plate 22 with the air direction elevator lateral wall in the ventilation hole lower extreme opening outside. The elevator is stranded people the back fan work, the fan blows the air suction of outside to elevator lateral wall department along the guide plate, blow in the elevator by the clearance between furred ceiling and the elevator lateral wall in, make the interior air of elevator take a breath, the fan also can be extracted the air in the wind channel simultaneously, the air of wind channel lower extreme extraction elevator bottom, get into the wind channel and circulate the ventilation hole, partly circulate to the outside, partly is blown in to the elevator by the fan by upper portion in, air circulation flow carries out in the elevator, prevent that the passenger from producing the sense of stuffy sensation in the elevator.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms door state detection unit, position sensor, elevator state detection unit, encoder, human body detection unit, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (7)
1. The utility model provides a stranded warning rescue system of elevator which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the elevator door state detection unit (1) comprises a position sensor (2) for detecting the position of an elevator door, and the position sensor is connected with the main control board and sends an elevator door position signal to the main control board;
the elevator state detection unit (3) comprises an encoder (4) connected to a rotating shaft of the traction machine, and the encoder is connected with the main control board and generates a speed signal and sends the speed signal to the main control board;
the human body detection unit (5) comprises a heat energy sensor (6) for detecting a human body, and the heat energy sensor is connected with the main control board and sends heat energy information to the main control board;
the door opening time detection unit (7) comprises a timer (8) for counting the longest door opening time of the ladder door, the timer is in bidirectional connection with the main control board, counting is started after the ladder door is closed, and a signal is sent to the main control board after counting is finished;
the emergency lighting unit (9) is connected with a standby power supply (15) to form a loop, and is connected with the standby power supply under the condition of power failure of the main power supply of the elevator, and the standby power supply is respectively connected with the main control panel and the main power supply (16) of the elevator;
the emergency ventilation unit (11) comprises a fan (12) for ventilating the interior of the elevator, and the fan is connected with the main control board;
the main control board (13) is connected with the rescue center through the communication unit (27), judges whether the elevator is trapped or not according to the information of the elevator door detection unit, the elevator state detection unit, the human body detection unit and the door opening time detection unit, generates an alarm signal under the condition of judging the trapping, sends the alarm signal to the rescue center (14), and controls the fan to work.
2. The elevator trapping alarm and rescue system according to claim 1, characterized in that the emergency lighting unit (9) comprises an emergency lamp (10) and a switch (17), the emergency lamp, the switch and a standby power supply are connected to form a loop, and a main power supply of the elevator is connected to a control end of the switch.
3. The elevator trapping alarm and rescue system as claimed in claim 2, wherein the change-over switch (17) comprises a first relay and a second relay, a coil K11 of the first relay and a coil K21 of the second relay are connected in series and then connected to a main power line of the elevator, a contact K12 of the first relay is connected in series to a loop connecting the emergency lamp and the standby power supply, a contact K22 of the second relay is connected in series to a line connecting the standby power supply and the main control panel, and the contact K12 and the contact K22 are normally closed switches.
4. The elevator people trapping alarm rescue system according to claim 1, 2 or 3, characterized in that a vent hole (18) is formed on the top of the elevator, the fan is installed in the vent hole, an air inlet (19) is formed at the bottom of one side wall of the elevator, an air duct (20) is formed in the side wall of the elevator, the lower end of the air duct is connected with the air inlet, and the upper end of the air duct is connected to the side wall of the vent hole on the upper portion of the fan.
5. The elevator trapping alarm and rescue system according to claim 4, characterized in that a ceiling (21) is hung on the top of the elevator, a gap is formed between the edge of the ceiling and the side wall of the elevator, and a guide plate (22) for guiding air to the side wall of the elevator is arranged outside the opening at the lower end of the ventilation hole.
6. The elevator trapping alarm and rescue system according to claim 4, wherein a circle of side edges (23) are arranged on the upper opening of the vent hole (18), a top cover (24) is buckled on the side edges, and a plurality of circulation holes (25) are arranged on the side edges.
7. The elevator trapping alarm and rescue system according to claim 4, characterized in that a filter screen (26) is respectively arranged at the upper end of the air duct and the air inlet (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121254272.6U CN215207917U (en) | 2021-06-04 | 2021-06-04 | Elevator trapping alarming and rescuing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121254272.6U CN215207917U (en) | 2021-06-04 | 2021-06-04 | Elevator trapping alarming and rescuing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215207917U true CN215207917U (en) | 2021-12-17 |
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ID=79423693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121254272.6U Active CN215207917U (en) | 2021-06-04 | 2021-06-04 | Elevator trapping alarming and rescuing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215207917U (en) |
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2021
- 2021-06-04 CN CN202121254272.6U patent/CN215207917U/en active Active
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