SG126790A1 - Protecting method for an air conditioner in a bus - Google Patents
Protecting method for an air conditioner in a busInfo
- Publication number
- SG126790A1 SG126790A1 SG200502521A SG200502521A SG126790A1 SG 126790 A1 SG126790 A1 SG 126790A1 SG 200502521 A SG200502521 A SG 200502521A SG 200502521 A SG200502521 A SG 200502521A SG 126790 A1 SG126790 A1 SG 126790A1
- Authority
- SG
- Singapore
- Prior art keywords
- bus
- circuit
- voltage value
- air conditioner
- calculating
- Prior art date
Links
Landscapes
- Air-Conditioning For Vehicles (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A protecting method for an air conditioner in a bus uses a voltage checking circuit, a calculating and treating circuit and a control circuit connected in series. The voltage checking circuit is also connected with a battery in a bus, sending a signal of the output voltage value of the power of the battery to the calculating and treating circuit. Then the calculating and treating circuit calculates and treats the signal, sending a treated signal to the control circuit if the output voltage value is found to be a preset lower voltage value than the normal voltage value 24V. Then the control circuit may cut off immediately the power to the engine of a bus and the electromagnetic clutch of the air conditioner so that the electromagnetic coil of the electromagnetic clutch may not be burnt by hot heat caused by the friction of the transmitting disc and the pressing plate of the clutch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG200502521A SG126790A1 (en) | 2005-04-21 | 2005-04-21 | Protecting method for an air conditioner in a bus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG200502521A SG126790A1 (en) | 2005-04-21 | 2005-04-21 | Protecting method for an air conditioner in a bus |
Publications (1)
Publication Number | Publication Date |
---|---|
SG126790A1 true SG126790A1 (en) | 2006-11-29 |
Family
ID=38288515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200502521A SG126790A1 (en) | 2005-04-21 | 2005-04-21 | Protecting method for an air conditioner in a bus |
Country Status (1)
Country | Link |
---|---|
SG (1) | SG126790A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5617713A (en) * | 1979-07-20 | 1981-02-19 | Nippon Denso Co Ltd | Blower control method of and apparatus for vehicle |
JPS57140219A (en) * | 1981-02-23 | 1982-08-30 | Diesel Kiki Co Ltd | Air conditioner for vehicle |
US4425766A (en) * | 1982-05-17 | 1984-01-17 | General Motors Corporation | Motor vehicle cooling fan power management system |
JPH07143601A (en) * | 1993-11-15 | 1995-06-02 | Matsushita Electric Ind Co Ltd | Air conditioner for electric motor vehicle |
-
2005
- 2005-04-21 SG SG200502521A patent/SG126790A1/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5617713A (en) * | 1979-07-20 | 1981-02-19 | Nippon Denso Co Ltd | Blower control method of and apparatus for vehicle |
JPS57140219A (en) * | 1981-02-23 | 1982-08-30 | Diesel Kiki Co Ltd | Air conditioner for vehicle |
US4425766A (en) * | 1982-05-17 | 1984-01-17 | General Motors Corporation | Motor vehicle cooling fan power management system |
JPH07143601A (en) * | 1993-11-15 | 1995-06-02 | Matsushita Electric Ind Co Ltd | Air conditioner for electric motor vehicle |
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