IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0820826
(2010-06-22)
|
등록번호 |
US-8590801
(2013-11-26)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
46 |
초록
▼
A system and method for controlling the temperature and humidity of ambient air entering an air supply unit at conditions falling within an atmospheric window to produce optimal temperature and humidity conditions inside a paint booth. The system includes a humidity control loop and a temperature co
A system and method for controlling the temperature and humidity of ambient air entering an air supply unit at conditions falling within an atmospheric window to produce optimal temperature and humidity conditions inside a paint booth. The system includes a humidity control loop and a temperature control loop. The humidity control loop monitors the humidity within the paint booth, and directs the temperature control loop to increase the temperature within the paint booth when humidity therein is above a set value. The temperature and humidity within the paint booth are thus maintained within an optimal window.
대표청구항
▼
1. A system for maintaining optimal humidity and temperature in a clear coat paint booth, comprising: an air supply unit providing forced air to the paint booth, the air supply unit having a pre-heat burner, said pre-heat burner positioned to heat air entering the air supply unit;a temperature PID c
1. A system for maintaining optimal humidity and temperature in a clear coat paint booth, comprising: an air supply unit providing forced air to the paint booth, the air supply unit having a pre-heat burner, said pre-heat burner positioned to heat air entering the air supply unit;a temperature PID controller in electrical communication with said pre-heat burner, said temperature PID controller pre-programmed to make adjustments to the pre-heat burner to track an input temperature set point;a temperature sensor in electrical communication with said temperature PID controller, said temperature sensor monitoring the temperature in said paint booth;a humidity sensor monitoring the humidity in said paint booth; anda humidity PID controller in electrical communication with said humidity sensor and said temperature PID controller;wherein, when the monitored humidity within said paint booth falls outside of an optimal window, the humidity PID controller is programmed to transmit an adjusted temperature set point to said temperature PID controller, which will override an existing temperature set point and cause said temperature PID controller to operate said pre-heat burner in a manner that moves the humidity level within said paint booth into said optimal window. 2. The system of claim 1, wherein said optimal window has a range of about 65% to about 75% humidity. 3. The system of claim 1, wherein an adjusted temperature set point will not exceed 75° F. 4. The system of claim 1, wherein a switch is interposed between said humidity PID controller and said temperature PID controller. 5. The system of claim 1, wherein said air supply unit further comprises a humidification media and a cooling coil. 6. The system of claim 1, wherein said humidity PID controller provides adjusted temperature set points to the temperature PID controller at pre-programmed intervals. 7. The system of claim 1, further comprising an inlet temperature sensor monitoring the temperature of air entering said air supply unit and in electrical communication with said temperature PID controller, and an inlet humidity sensor monitoring the humidity of air entering said air supply unit and in electrical communication with said humidity PID controller. 8. A system for maintaining an optimal environment in a paint booth, comprising: an air supply unit providing forced air to the paint booth, the air supply unit having a pre-heat burner, said pre-heat burner positioned to heat air entering the air supply unit;a temperature control loop comprising: a temperature PID controller in electrical communication with said pre-heat burner, said temperature PID controller pre-programmed to make adjustments to the pre-heat burner to track an input temperature set point, anda temperature sensor in electrical communication with said temperature PID controller, said temperature sensor positioned at an outlet of said air supply unit so as to monitor the temperature in said paint booth;a humidity control loop in electronic communication with said temperature control loop, including: a humidity sensor positioned within said air supply unit so as to monitor the humidity in said paint booth, anda humidity PID controller in electronic communication with said humidity sensor and said temperature PID controller;wherein, when the monitored humidity within said paint booth is outside an optimal window and the monitored temperature in said paint booth is within or below said optimal window, said humidity PID controller is programmed to transmit an adjusted temperature set point to said temperature PID controller, which will override an existing temperature set point and cause said temperature PID controller to operate said pre-heat burner in a manner that moves the humidity level within said spray booth into said optimal window. 9. The system of claim 8, wherein said optimal window has a range of about 65% to about 75% humidity. 10. The system of claim 8, wherein said optimal window has a temperature range of about 65° F. to about 75° F. 11. The system of claim 8, wherein an adjusted temperature set point will not exceed 75° F. 12. The system of claim 8, wherein a switch is interposed between said humidity PID controller and said temperature PID controller. 13. The system of claim 8, further comprising an inlet temperature sensor monitoring the temperature of air entering said air supply unit and in electrical communication with said temperature PID controller, and an inlet humidity sensor monitoring the humidity of air entering said air supply unit and in electrical communication with said humidity PID controller. 14. A method for maintaining an optimal environment in a paint booth, comprising: providing an air supply unit for forcing air into the paint booth, said air supply unit having a pre-heat burner positioned to heat air entering said air supply unit;providing a temperature control loop, said temperature control loop comprising: a temperature PID controller in electrical communication with said pre-heat burner, said temperature PID controller pre-programmed to make adjustments to the pre-heat burner to track an input temperature set point, anda temperature sensor in electrical communication with said temperature PID controller, said temperature sensor positioned at an outlet of said air supply unit so as to monitor the temperature in said paint booth;providing a humidity control loop in electrical communication with said temperature control loop, said humidity control loop comprising: a humidity sensor positioned within said air supply unit so as to monitor the humidity in said paint booth, anda humidity PID controller in electrical communication with said humidity sensor and said temperature PID controller; andusing said humidity PID controller to transmit an adjusted temperature set point to said temperature PID controller when the monitored humidity in said paint booth is outside an optimal window and when said monitored temperature is within or below said optimal window, so as to override an existing temperature set point and cause said temperature PID controller to operate said pre-heat burner to increase or decrease the temperature of air entering the air supply unit as necessary to move said humidity level within said paint booth into said optimal window. 15. The method of claim 14, wherein said optimal window has a range of about 65% to about 75% humidity. 16. The method of claim 14, wherein said optimal window has a temperature range of about 65° F. to about 75° F. 17. The method of claim 14, further comprising preventing said humidity PID controller from increasing the monitored temperature above 75° F. 18. The method of claim 14, wherein an adjusted temperature set point will not exceed 75° F. 19. The method of claim 14, wherein said humidity PID controller continues to transmit adjusted temperature set points to said temperature PID controller at pre-programmed intervals until the humidity level in said paint booth is within said optimal window. 20. The method of claim 14, further comprising interposing a switch between said temperature PID controller and said humidity PID controller.
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