CN215946445U - Ventilation and cooling control system for elevator shaft machine room - Google Patents
Ventilation and cooling control system for elevator shaft machine room Download PDFInfo
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- CN215946445U CN215946445U CN202122115342.6U CN202122115342U CN215946445U CN 215946445 U CN215946445 U CN 215946445U CN 202122115342 U CN202122115342 U CN 202122115342U CN 215946445 U CN215946445 U CN 215946445U
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Abstract
The utility model provides an elevator shaft machine room ventilation and cooling control system, and relates to the technical field of ventilation and cooling control systems. This elevator well computer lab aeration cooling control system includes: the machine room well ventilation opening is used for ventilation connection between the machine room and the well; the machine room top ventilation opening is used for ventilation connection between the machine room and the outside; according to the ventilation and cooling control system for the elevator hoistway machine room, the first air ball device and the second air ball device are passive devices, power supply control is not needed, and zero energy consumption can be realized; the device is characterized in that the turbine can be pushed to rotate by wind flow when wind exists, so that the effect of increasing air exhaust is realized by utilizing centrifugal force and negative pressure effect.
Description
Technical Field
The utility model relates to an energy-saving and emission-reducing technology for an elevator, in particular to an elevator shaft machine room aeration and cooling control system, and belongs to the technical field of aeration and cooling control systems.
Background
The reason for causing the temperature of the elevator machine room to be overhigh in the daily use of the elevator mainly comprises the following two aspects:
(1) building structure position of the machine room itself: most of elevator machine rooms are arranged on the top floor of a building, some machine rooms are special raised rooms on the top floor of the building, and the top and four walls of the machine rooms are all outer protective structures. In high-temperature weather in summer, the outdoor temperature is high, and the temperature of the outer enclosure structure is also high, so that the indoor temperature of the machine room is increased.
(2) Heat dissipated by the electrical system: the main heating components of the electric system of the machine room comprise a frequency converter, a brake resistor and a motor. The frequency converter and the motor consume part of electric energy due to the efficiency and release the electric energy in the form of heat; the brake resistor consumes the electric energy generated by the elevator in a regeneration mode and releases the electric energy in a heat mode. Both of these heat emissions into the machine room result in an increase in the room temperature.
The influence of the overhigh temperature of the elevator machine room on the normal operation of the elevator mainly has the following two aspects:
(1) influence of machine room high temperature on elevator control panel: the electronic device of the elevator microcomputer control panel carries out logic control through comparison of voltage and current, due to the material temperature characteristic of the electronic device, when the temperature is higher than the allowable temperature, the logic judgment of the electronic device can make mistakes, the microcomputer control panel is unstable, the elevator is prone to faults, normal operation is affected (for example, the elevator stops suddenly and closes people in normal operation, the elevator does not open or close a door when the elevator operates to a door zone, the elevator cannot change the speed when the elevator operates to the door zone, and the like), and meanwhile, fault points are not prone to being found in maintenance.
(2) Impact on mechanical systems: when the ambient temperature surpassed the temperature allowed in computer lab, can seriously influence traction motor's heat dissipation, because frequent start, the braking of motor, motor itself can release a large amount of heats, and the high temperature of computer lab can not in time be got rid of again, and the motor lasts and operates in high temperature environment, burns out the coil very easily, damages the motor.
At present, the method for treating the overhigh temperature of the machine room on site mainly depends on the configuration of cooling equipment such as an air conditioner and the like in the machine room, the equipment generally runs 24 hours all day, and the room temperature of the machine room is reduced, so that the original purpose of energy conservation and emission reduction of an elevator is violated, and the use cost of the elevator is greatly increased.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the problems, and provides an elevator shaft machine room ventilation and cooling control system to solve the problems that in the prior art, cooling equipment such as an air conditioner is arranged in a machine room, the equipment generally runs 24 hours a day, and the room temperature of the machine room is reduced, so that the original purpose of energy conservation and emission reduction of an elevator is violated, and the use cost of the elevator is greatly increased.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: an elevator hoistway machine room aeration cooling control system, comprising:
the machine room well ventilation opening is used for ventilation connection between the machine room and the well;
the machine room top ventilation opening is used for ventilation connection between the machine room and the outside;
the controllable fan is used for discharging cold air in the shaft;
the first air ball device is used for discharging cold air of the hoistway to the machine room;
the second air ball device is used for exhausting hot air in the machine room to the outside;
the controllable exhaust fan is arranged on the inner side of the machine room through bolts;
a weather-proof louver for blocking external rainwater;
and the energy feedback control cabinet is used for converting electric energy generated by movement into synchronous alternating current.
Preferably, the machine room shaft ventilation opening is arranged between the machine rooms and far away from the machine room door opening, and the ventilation opening is mainly used for communicating the shaft and the machine room and preparing for cold air of the shaft to enter the machine room.
Preferably, the controllable fan is arranged right above a ventilation opening of a well of the machine room, the controllable fan is controlled by a standby function of the elevator control system, the fan is closed when the elevator runs, and cold air in the well is discharged into the machine room through a piston effect generated by the movement of the car; when the elevator enters a standby state, the fan is started, and cold air in the well is discharged into the machine room through the air exhaust function of the controllable fan.
Preferably, the first air ball device is arranged right above the controllable fan, the first air ball device and the controllable fan are fixedly connected through bolts, and the turbine is pushed to rotate by utilizing the piston effect and air heat convection caused by temperature difference between the well and the machine room, so that cold air in the well is discharged to the machine room by utilizing the centrifugal force and the negative pressure effect.
Preferably, the second wind ball device is arranged right above a ventilation opening on the top of the machine room, the second wind ball device is fixedly connected with the ventilation opening on the top of the machine room, and air heat convection caused by temperature difference between the machine room and the outdoor space pushes the turbine to rotate, so that hot air in the machine room is exhausted to the outdoor space by utilizing a negative pressure effect.
Preferably, the controllable exhaust fan and the weather-proof shutter are combined to form a machine room fresh air system, cold air enters the machine room through the weather-proof shutter, hot air is exhausted from the machine room through the controllable exhaust fan, the controllable exhaust fan is controlled through a standby function of the elevator control system, the controllable exhaust fan is fixedly connected with the machine room through a bolt, and the controllable exhaust fan is closed when the elevator runs; and starting the controllable exhaust fan when the elevator enters a standby state.
Preferably, the energy feedback control cabinet adopts an independently researched and developed energy feedback frequency converter, is installed inside the machine room, replaces the combination of a traditional frequency converter and a brake resistor, removes the heat dissipation source of the brake resistor, and achieves the purpose of cooling the machine room.
The utility model provides an elevator shaft machine room aeration and cooling control system, which has the following beneficial effects:
1. according to the ventilation and cooling control system for the elevator hoistway machine room, the first air ball device and the second air ball device are passive devices, power supply control is not needed, and zero energy consumption can be realized; the device is characterized in that the turbine can be pushed to rotate by wind flow when wind exists, so that the effect of increasing air exhaust is realized by utilizing centrifugal force and negative pressure effect.
2. This elevator well computer lab aeration cooling control system, energy repayment switch board is the source of eliminating the heat dissipation, adopts the energy repayment converter of independently researching and developing, replaces traditional converter and adds the combination of brake resistance, has got rid of this heat dissipation source of brake resistance, reaches the purpose of computer lab cooling, and all parts are passive or low energy consumption product, under the prerequisite of guaranteeing well and computer lab aeration cooling, computer lab and outdoor aeration cooling, can effectually realize energy saving and emission reduction and the dual purpose of saving cost.
Drawings
FIG. 1 is a schematic view of the overall installation position of the present invention;
fig. 2 is a control loop diagram of the controllable fan according to the present invention.
In the figure: 1. a machine room well vent; 2. a ventilation opening at the top of the machine room; 3. a controllable fan; 4. a first balloon device; 5. a second balloon device; 6. a controllable exhaust fan; 7. a weather resistant shutter; 8. energy repayment switch board.
Detailed Description
The embodiment of the utility model provides an elevator shaft machine room ventilation and cooling control system.
Please refer to fig. 1, which includes: the ventilation opening 1 of the machine room well is used for ventilation connection between the machine room and the well; the machine room top ventilation opening 2 is used for ventilating and connecting the machine room and the outside; the controllable fan 3 is used for discharging cold air in the shaft; the first air ball device 4 is used for discharging cold air of the well to the machine room; the second air ball device 5 is used for discharging hot air in the machine room to the outside; the controllable exhaust fan 6 is arranged on the inner side of the machine room through bolts; a weather-proof louver 7 for blocking external rainwater; and the energy feedback control cabinet 8 is used for converting electric energy generated by movement into synchronous alternating current.
Specifically, through the installation arrangement of a plurality of equipment, thereby make elevator well computer lab ventilation exhaust more high-efficient.
Referring to fig. 1 and 2 again, a machine room shaft vent 1 is arranged between the machine rooms and far away from a machine room door, and is mainly used for communicating the shaft and the machine room to prepare for cold air in the shaft to enter the machine room, a controllable fan 3 is arranged right above the machine room shaft vent 1 and controlled by a standby function of an elevator control system, the fan is turned off when the elevator runs, and the cold air in the shaft is discharged into the machine room through a piston effect generated by the movement of a car; when the elevator enters a standby state, a fan is started, cold air in a well is discharged into a machine room through the air exhaust function of the fan, a first air ball device 4 is arranged right above a controllable fan 3, a turbine is pushed to rotate by utilizing a piston effect and air heat convection caused by the temperature difference between the well and the machine room, so that the cold air in the well is discharged into the machine room through a centrifugal force and a negative pressure effect, the device is a passive device and achieves zero energy consumption, a second air ball device 5 is arranged right above a ventilation opening 2 on the top of the machine room, the air heat convection caused by the temperature difference between the machine room and the outside of the machine room pushes the turbine to rotate, so that the hot air in the machine room is discharged out of the machine room through the negative pressure effect, the device is a passive device and achieves zero energy consumption, a controllable exhaust fan 6 and a weather-proof shutter 7 are combined into a fresh air system, the cold air enters the machine room through the weather-proof shutter 7, and the hot air is discharged out of the machine room through the controllable exhaust fan 6, the controllable exhaust fan 6 is controlled by the standby function of the elevator control system, and the controllable exhaust fan 6 is closed when the elevator runs; when the elevator enters a standby state, the controllable exhaust fan 6 is started, the energy feedback control cabinet 8 adopts an independently researched and developed energy feedback frequency converter to replace a combination of a traditional frequency converter and a brake resistor, the heat dissipation source of the brake resistor is removed, and the purpose of cooling the machine room is achieved.
Specifically, the suction of a relay is controlled through an output point of an elevator energy-saving function, the drive of a controllable fan 3 and a controllable exhaust fan 6 is controlled through a relay normally-closed point, the controllable fan 3 and the controllable exhaust fan 6 are turned off when the elevator runs, cold air in a shaft is discharged to a machine room through the centrifugal force and the negative pressure effect of a first air ball device 4 through the piston effect generated by the movement of a car, and hot air in the machine room is discharged to the outside through the centrifugal force and the negative pressure effect of a second air ball device 5; when the elevator enters a standby state, the controllable fan 3 and the controllable exhaust fan 6 are started, the cold air in the well is exhausted into the machine room through the exhaust function of the controllable fan 3, the controllable exhaust fan 6 and the weather-proof shutter 7 are combined into a machine room fresh air system, cold air enters the machine room through the weather-proof shutter 7, hot air is exhausted out of the machine room through the controllable exhaust fan 6, the direct exchange of the cold air and the hot air inside and outside the machine room is realized, the temperature is naturally reduced, wherein the energy feedback control cabinet 8 eliminates a heat dissipation source, adopts an independently researched energy feedback frequency converter to replace the combination of a traditional frequency converter and a brake resistor, removes the brake resistor as the heat dissipation source, achieves the aim of cooling a machine room, adopts all components which are passive or low-energy-consumption products, on the premise of ensuring ventilation and cooling between the hoistway and the machine room and ventilation and cooling between the machine room and the outdoor, the dual purposes of energy conservation, emission reduction and cost saving can be effectively realized.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an elevator well computer lab aeration cooling control system which characterized in that includes:
the machine room shaft ventilation opening (1), wherein the machine room shaft ventilation opening (1) is used for ventilation connection between the machine room and the shaft;
the machine room top ventilation opening (2), the machine room top ventilation opening (2) is used for ventilation connection between the machine room and the outside;
the controllable fan (3), the said controllable fan (3) is used for discharging the cold air inside the well;
the first air ball device (4), the first air ball device (4) is used for discharging cold air of the well to the machine room;
the second air ball device (5) is used for exhausting hot air in the machine room to the outside;
the controllable exhaust fan (6), the controllable exhaust fan (6) is installed on the inner side of the machine room through bolts;
a weather-resistant louver (7), the weather-resistant louver (7) being configured to block external rain;
the energy feedback control cabinet (8), the energy feedback control cabinet (8) is used for converting the electric energy generated by the movement into synchronous alternating current.
2. The elevator shaft machine room aeration-cooling control system according to claim 1, characterized in that: the machine room shaft ventilation openings (1) are arranged between the machine rooms and far away from the machine room door openings.
3. The elevator shaft machine room aeration-cooling control system according to claim 1, characterized in that: the controllable fan (3) is arranged right above the ventilation opening (1) of the machine room shaft and is controlled by the standby function of the elevator control system.
4. The elevator shaft machine room aeration-cooling control system according to claim 1, characterized in that: the first air ball device (4) is arranged right above the controllable fan (3), and the first air ball device of the first air ball device (4) is fixedly connected with the controllable fan (3) through a bolt.
5. The elevator shaft machine room aeration-cooling control system according to claim 1, characterized in that: and the second wind ball device (5) is arranged right above the machine room top ventilation opening (2), and is fixedly connected with the machine room top ventilation opening (2).
6. The elevator shaft machine room aeration-cooling control system according to claim 1, characterized in that: controllable exhaust fan (6) make up into computer lab new trend system with weather proof shutter (7), wherein controllable exhaust fan (6) pass through elevator control system's standby function control, weather proof shutter (7) pass through bolt and computer lab fixed connection.
7. The elevator shaft machine room aeration-cooling control system according to claim 1, characterized in that: the energy feedback control cabinet (8) adopts an independently developed energy feedback frequency converter, and the energy feedback control cabinet (8) is installed inside the machine room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122115342.6U CN215946445U (en) | 2021-09-03 | 2021-09-03 | Ventilation and cooling control system for elevator shaft machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122115342.6U CN215946445U (en) | 2021-09-03 | 2021-09-03 | Ventilation and cooling control system for elevator shaft machine room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215946445U true CN215946445U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122115342.6U Active CN215946445U (en) | 2021-09-03 | 2021-09-03 | Ventilation and cooling control system for elevator shaft machine room |
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| Country | Link |
|---|---|
| CN (1) | CN215946445U (en) |
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2021
- 2021-09-03 CN CN202122115342.6U patent/CN215946445U/en active Active
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