CN209844821U - Subway station access & exit elevator converter cooling system - Google Patents
Subway station access & exit elevator converter cooling system Download PDFInfo
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- CN209844821U CN209844821U CN201920688109.7U CN201920688109U CN209844821U CN 209844821 U CN209844821 U CN 209844821U CN 201920688109 U CN201920688109 U CN 201920688109U CN 209844821 U CN209844821 U CN 209844821U
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- fan
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Abstract
The utility model discloses a subway station access & exit elevator converter cooling system connects air-supply line, fan, temperature sensor, controller, exhaust fan orderly through tuber pipe and cable, constitutes a complete ventilation system. The fan passes through the tuber pipe and links to each other with the import pipe, and the controller passes through the cable and links to each other with fan, temperature sensor, exhaust fan. The utility model discloses can realize the automatic all ring edge border ambient temperature of monitoring subway station access & exit elevator converter, according to ambient temperature change automatic control fan, the exhaust fan opens and stops, utilize the characteristics that the station burden one deck air temperature is far less than outdoor ambient temperature in summer, provide power near the elevator converter that carries the elevator converter that is located the well top with the cold air that the station burden one deck through the fan, carry out the cooling of forcing the heat dissipation to the converter for the elevator converter does not receive the influence of high temperature, guarantees elevator normal operating.
Description
Technical Field
The utility model relates to a subway station air conditioning equipment, concretely relates to subway station elevator well access & exit elevator converter heat dissipation equipment.
Background
According to the barrier-free design requirement of public transport projects, in order to meet the requirement of disabled people for taking a subway to go out, at least one entrance and exit of most subway stations is provided with a machine room-free elevator, and the part of an elevator shaft above the ground is in a shaft form of a steel structure and a glass curtain wall. The sunlight is strong in summer, the illumination time is long, the hoistway high temperature is easily caused by the direct sunlight on the top of the hoistway of the elevator at the entrance and exit, and particularly the local high temperature at the top of the hoistway can even reach 70-80 ℃. The outer side temperature of the elevator floor-supporting landing door can be kept below 20 ℃ and is lower than the outdoor environment by more than 10 ℃ due to the heat insulation protection of the thick station roof and the overflow of cold air generated by the air conditioning system in the main body of the station.
Conventional no computer lab elevator driving host computer and converter setting are at the well top, and especially the converter belongs to accurate electrical equipment, and there is power loss inside the operation in-process, causes self to generate heat, consequently requires highly to operational environment temperature, and ambient temperature requires between 0 ~ 40 ℃ when general converter moves, and ambient temperature too high can lead to converter malfunction alerting, shut down, influences the normal use of elevator.
At present, the solution to this problem mainly includes two schemes of providing a vent hole at the top of the hoistway and attaching a heat insulating film to the glass curtain wall of the hoistway. However, good ventilation and air exchange cannot be formed inside and outside the hoistway only by arranging the vent holes, and the outdoor temperature is high in summer, so that the effect of cooling the hoistway cannot be achieved by natural convection of air; the heat insulation film can only reduce solar energy entering the well in a certain proportion, the temperature rising speed of the well is slowed down, the heat insulation film has a heat preservation effect at the same time, the illumination is sufficient in summer, the illumination time is long, and the high temperature condition at the top of the well cannot be avoided. Therefore, the two schemes can not effectively reduce the peripheral temperature of the frequency converter at the top of the elevator shaft and can not avoid the problem of elevator stopping caused by frequent high-temperature alarm of the elevator at the entrance and exit of the subway in summer.
SUMMERY OF THE UTILITY MODEL
For solving the problem, the utility model provides a subway station access & exit elevator converter cooling system, through the tuber pipe, the cable is with the air-supply line, the fan, a weighing sensor and a temperature sensor, a controller, the exhaust fan couples together in an orderly manner, constitute a complete ventilation system, utilize the characteristics that station burden one deck air temperature is far less than outdoor ambient temperature in summer, provide power through the fan and carry near the elevator converter that is located the well top with the cold air of station burden one deck, carry out the forced heat dissipation cooling to the converter, make the elevator converter not receive the influence of high temperature, thereby guarantee elevator normal operating.
The utility model relates to a subway station access & exit elevator converter cooling system, including air-supply line, tuber pipe, fan, controller, temperature sensor, exhaust fan.
The air inlet pipe is arranged in an air inlet hole on the side wall of the elevator shaft on the negative layer of the station, and a dust cover is arranged on the outer side of the shaft wall. The air inlet pipe is connected with the air pipe, and the air pipe is vertically arranged in the side wall of the elevator shaft.
The fan is arranged near the elevator frequency converter at the top of the shaft and fixed on the structural beam of the steel structure shaft, the air outlet of the fan faces the elevator frequency converter, and the air inlet of the fan is connected with the upper end of the air pipe and communicated with the air inlet pipe through the air pipe. The fan is connected with the controller through a control cable, and the action instruction of the controller is received, so that the starting, the stopping and the rotating speed adjustment of the fan are realized.
The temperature sensor is arranged near the frequency converter of the elevator at the top of the shaft, is connected with the controller through a communication cable, and transmits the ambient temperature data around the frequency converter to the controller in real time.
The controller is arranged in the elevator control cabinet, is connected with the fan through a control cable and is connected with the temperature sensor through a communication cable. According to the upper limit value and the lower limit value of the set temperature, the starting of the fan and the exhaust fan when the temperature at the top of the shaft is higher than the set upper limit value is realized, and the stopping of the fan and the exhaust fan when the temperature is lower than the set lower limit value is realized.
The exhaust fan sets up on well top lateral wall, links to each other with the controller through the control cable, can receive the action instruction of controller, realizes that the automation of exhaust fan stops the function. The dustproof and rainproof cover is arranged on the outer side of the side wall of the well and fixed with the exhaust fan, and prevents external sand and dust and rain and snow from entering the well through the discharge port.
Above parts link to each other, group together with the utility model relates to a subway station access & exit elevator converter cooling system, the theory of operation is:
the temperature sensor can acquire temperature data near the elevator frequency converter in real time and transmit the data to the controller in real time; when the controller monitors that the temperature exceeds the set upper limit value, the controller controls the fan and the exhaust fan to be started, the fan operates to enable negative pressure to be generated in the air pipe, so that cold air at a negative layer of a station is conveyed to a position near the elevator frequency converter, the elevator frequency converter is subjected to accurate heat dissipation and cooling, meanwhile, the exhaust fan operates to enhance air circulation between the well and the outside, high-temperature air in the well is discharged out of the well, and further ventilation and heat dissipation of the well are achieved.
The utility model has the advantages of compared with the prior art:
one, the utility model discloses an tuber pipe, fan carry out accurate heat dissipation cooling to the converter to and the exhaust fan effectively strengthens well and external circulation of air, very big improvement elevator well heat dissipation cooling efficiency and effect, guaranteed the normal work of elevator in summer.
Two, the utility model discloses utilize the station to bear the lower air of one deck temperature and carry out aeration cooling to the converter, improved the cooling effect under the condition that does not increase refrigeration plant, realize energy-concerving and environment-protective.
Three, the utility model discloses a controller, temperature sensor realize that fan, exhaust fan carry out the automation and open and stop and speed governing control, only dispel the heat cooling to the converter when necessary, realize energy-concerving and environment-protective.
Drawings
Fig. 1 is the utility model relates to a subway station access & exit elevator converter structural plane arranges the schematic diagram.
Fig. 2 is a schematic sectional view of a frequency converter heat dissipation system of the elevator at the entrance and exit of the subway station shown in fig. 1.
The notation in the figure is:
1. air inlet pipe 2 and air pipe
3. Fan 4 and temperature sensor
5. Controller 6, exhaust fan
7. Dustproof and rainproof cover 8 and dustproof cover
9. Elevator frequency converter 10 and elevator control cabinet
11. Concrete shaft 12 and steel structure shaft
13. Steel construction well structure roof beam
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The utility model relates to a subway station access & exit elevator converter cooling system, including air-supply line 1, tuber pipe 2, fan 3, temperature sensor 4, controller 5 and exhaust fan 6 etc.. The fan 3 is connected with the air inlet pipe 1 through the air pipe 2.
The air inlet pipe 1 is fixed in an air inlet hole on the side wall of a concrete shaft 11 bearing a floor of an elevator in a station, and a dust cover 8 is arranged at the port of the air inlet pipe 1 at the outer side of the shaft; the fan 3 is fixed on a structural beam 13 of the steel structure well, connected with the air pipe 2 through a flange and connected with the controller 5 through a control cable; the air pipe 2 is laid along the inner wall of the well and fixed on the inner wall of the well by using a hoop; the temperature sensor 4 is fixed on a steel structure beam 13 at the top of the well and is connected with the controller 5 through a communication cable; the controller 5 is arranged in the elevator control cabinet 10, is connected with the fan 3 and the exhaust fan 6 through control cables, and is connected with the temperature sensor 4 through a communication cable; exhaust fan 6 is fixed at the inside of 12 lateral walls air outlets of top elevator steel construction well, links to each other with controller 4 through the control cable, and dustproof and waterproof cover 7 is fixed in 12 lateral walls air outlets of steel construction well outside.
The utility model relates to a when subway station access & exit elevator converter cooling system moves, temperature sensor 4 fixed at the top of well acquires temperature data near the elevator converter in real time and transmits the data to controller 5 in real time; when controller 5 monitors the temperature and surpasss the upper limit value of settlement, controller 5 control fan 3, exhaust fan 6 starts, and fan 3 operation makes production negative pressure in the tuber pipe 2 to carry the station burden one deck cold air to near elevator converter 9, carry out accurate heat dissipation cooling to elevator converter 9, well and external circulation of air are strengthened in the operation of exhaust fan 6 simultaneously, with the high temperature air discharge well in the well, realize the further ventilation cooling of well.
Claims (4)
1. The utility model provides a subway station access & exit elevator converter cooling system which characterized in that, includes air-supply line, tuber pipe, fan, controller, temperature sensor, exhaust fan, and the controller is connected with fan, temperature sensor, exhaust fan respectively, and the tuber pipe is connected with air-supply line and fan respectively.
2. The system of claim 1, wherein the controller is disposed in the elevator control cabinet, connected to the fan and the exhaust fan via a control cable, and connected to the temperature sensor via a communication cable, and is capable of receiving ambient temperature data of the elevator frequency converter from the temperature sensor in real time, and automatically controlling the start and stop of the fan and the exhaust fan according to temperature changes to cool the elevator frequency converter.
3. The frequency converter heat dissipation system of an elevator at an entrance and an exit of a subway station as claimed in claim 1, wherein the fan is arranged near the frequency converter at the top of the shaft and fixed on a structural beam of the shaft with a steel structure, the air outlet of the fan faces the frequency converter, the air inlet of the fan is communicated with the air inlet pipe through an air pipe and is connected with the controller through a control cable, and the action instruction of the controller is received to realize the functions of starting and stopping the fan and adjusting the rotating speed.
4. The frequency converter heat dissipation system of the subway station entrance and exit elevator, according to claim 1, is characterized in that the exhaust fan is arranged on the side wall of the top of the hoistway, is connected with the controller through a control cable, can receive an action instruction of the controller, and realizes an automatic start and stop function of the exhaust fan; the dustproof and rainproof cover is arranged on the outer side of the side wall of the well and fixed with the exhaust fan, and prevents external sand and dust and rain and snow from entering the well through the discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920688109.7U CN209844821U (en) | 2019-05-14 | 2019-05-14 | Subway station access & exit elevator converter cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920688109.7U CN209844821U (en) | 2019-05-14 | 2019-05-14 | Subway station access & exit elevator converter cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209844821U true CN209844821U (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920688109.7U Active CN209844821U (en) | 2019-05-14 | 2019-05-14 | Subway station access & exit elevator converter cooling system |
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| Country | Link |
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| CN (1) | CN209844821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034666A (en) * | 2019-05-14 | 2019-07-19 | 中国铁路设计集团有限公司 | A kind of subway station entrance elevator frequency converter cooling system |
-
2019
- 2019-05-14 CN CN201920688109.7U patent/CN209844821U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034666A (en) * | 2019-05-14 | 2019-07-19 | 中国铁路设计集团有限公司 | A kind of subway station entrance elevator frequency converter cooling system |
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