Cooling system for elevator with electronic visual displays

Patent metadata

Field	Value
Publication number	US-11267675-B2
Application number	US-201916592813-A
Country	US
Kind code	B2
Filing date	Oct 4, 2019
Priority date	Oct 4, 2019
Publication date	Mar 8, 2022
Grant date	Mar 8, 2022

Abstract

This disclosure relates to a cooling system for an elevator with electronic visual displays, and a corresponding method. An example system includes an elevator car having an inner wall, and an electronic visual display mounted to the inner wall so as to define a gap between the inner wall and the electronic visual display. Further, fluid is configured to flow through the gap to cool the electronic visual display.

First claim

The invention claimed is:

1. A system, comprising:
an elevator car having an inner wall;
an electronic visual display mounted to the inner wall so as to define a gap between the inner wall and the electronic visual display, wherein fluid is configured to flow through the gap to cool the electronic visual display;
a first flow path through which fluid is configured to flow to cool a passenger space; and
a second flow path through which fluid is configured to flow to cool the electronic visual display,
wherein the passenger space is fluidly coupled to a source of fluid by a first flow path inlet configured to direct fluid into the passenger space beneath the electronic visual display,
wherein the passenger space is fluidly coupled to a location outside the elevator car by a first flow path outlet arranged above the electronic visual display,
wherein the gap is fluidly coupled to a source of fluid by a second flow path inlet arranged adjacent a bottom of the electronic visual display, and
wherein the gap is fluidly coupled to a location outside the elevator car by a second flow path outlet arranged adjacent a top of the electronic visual display.

2. The system as recited in claim 1 , wherein:
the system includes a plurality of sets of electronic visual displays and further includes a plurality of second flow paths, and
each of the second flow paths is arranged adjacent to a respective one of the sets of electronic visual displays.

3. The system as recited in claim 2 , wherein each set of electronic visual displays includes a first electronic visual display mounted vertically above a second electronic visual display.

4. The system as recited in claim 2 , wherein the passenger space is interior of the sets of electronic visual displays.

5. The system as recited in claim 1 , wherein the second flow path inlet is vertically above the first flow path inlet.

6. The system as recited in claim 5 , wherein the second flow path outlet is vertically below the first flow path outlet.

7. The system as recited in claim 1 , further comprising:
a second flow path inlet fan arranged adjacent the second flow path inlet and configured to direct fluid to the gap; and
a second flow path outlet fan arranged adjacent the second flow path outlet and configured to draw fluid out of the gap.

8. The system as recited in claim 7 , wherein:
the elevator car includes a double-walled thickness including the inner wall and an outer wall spaced-apart from the inner wall,
the second flow path inlet fan is at least partially arranged in a space between the inner wall and the outer wall, and
the second flow path outlet fan is at least partially arranged in the space between the inner wall and the outer wall.

9. The system as recited in claim 7 , further comprising:
a temperature sensor configured to generate a signal indicative of a temperature of one of the electronic visual display and the passenger space; and
a controller configured to selectively activate the second flow path inlet fan and the second flow path outlet fan in response to the signal.

10. The system as recited in claim 7 , further comprising:
a controller configured to selectively activate the second flow path inlet fan and the second flow path outlet fan when the electronic visual display is activated.

11. The system as recited in claim 1 , wherein:
the elevator car is in a building with an observation deck, and
the electronic visual display is a screen configured to present at least one of images and video pertaining to the observation deck.

12. A method, comprising:
establishing a flow of fluid along a first flow path through which fluid flows into a passenger space of an elevator car; and
establishing a flow of fluid along a second flow path through which fluid flows within a gap between an inner wall of the elevator car and an electronic visual display mounted to the inner wall,
wherein the passenger space is fluidly coupled to a source of fluid by a first flow path inlet configured to direct fluid into the passenger space beneath the electronic visual display,
wherein the passenger space is fluidly coupled to a location outside the elevator car by a first flow path outlet arranged above the electronic visual display,
wherein the gap is fluidly coupled to a source of fluid by a second flow path inlet arranged adjacent a bottom of the electronic visual display, and
wherein the gap is fluidly coupled to a location outside the elevator car by a second flow path outlet arranged adjacent a top of the electronic visual display.

13. The method as recited in claim 12 , wherein the step of establishing a flow of fluid along the second flow path includes directing the fluid into the gap using an inlet fan.

14. The method as recited in claim 13 , further comprising drawing air out of the gap using an outlet fan.

15. The method as recited in claim 14 , further comprising activating the inlet fan and the outlet fan in response to a signal from a temperature sensor.

16. The method as recited in claim 14 , further comprising activating the inlet fan and the outlet fan when the electronic visual display is activated.

Assignees

• Otis Elevator Co

Inventors

• Derwinski Patricia
• Castro Cuauhtemoc

Classifications

• B66B11/024 Primary

  Ventilation systems · CPC title

• B66B11/0226 Primary

  Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation · CPC title

• B66B5/0018

  Devices monitoring the operating condition of the elevator system · CPC title

• B66B1/3415

  Control system configuration and the data transmission or communication within the control system · CPC title

• B66B1/28

  electrical (detecting excessive speed B66B5/04 {; control of electrical motor H02P}) · CPC title