CN109455301B - Automatic power control device for navigation aircraft air conditioning system - Google Patents
Automatic power control device for navigation aircraft air conditioning system Download PDFInfo
- Publication number
- CN109455301B CN109455301B CN201811494271.1A CN201811494271A CN109455301B CN 109455301 B CN109455301 B CN 109455301B CN 201811494271 A CN201811494271 A CN 201811494271A CN 109455301 B CN109455301 B CN 109455301B
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- Prior art keywords
- contactor
- hydraulic pump
- power supply
- electric hydraulic
- closed contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space the air being conditioned
- B64D13/08—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space the air being conditioned the air being heated or cooled
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a power supply automatic control device for a navigation aircraft air conditioning system, which comprises a power supply, an electric hydraulic pump working indicator, a delay relay, a contactor and an air conditioning refrigerating system power supply control box, wherein one end of the electric hydraulic pump is connected with the power supply through a switch, the electric hydraulic pump working indicator is connected with the electric hydraulic pump in parallel, the input end of the delay relay is connected with the high-level end of the electric hydraulic pump working indicator, the control end of the contactor is connected with the output end of the delay relay, the air conditioning refrigerating system power supply control box is connected with the output end of the contactor, and the electric hydraulic pump, the electric hydraulic pump working indicator, the delay relay, the contactor and the air conditioning refrigerating system power supply control box are respectively connected with the ground end.
Description
Technical Field
The invention particularly relates to an automatic power supply control device for a navigation aircraft air conditioning system, and belongs to the field of aircraft electrical systems.
Background
Some small-sized navigable aircrafts need to be additionally provided with an air conditioning and refrigerating system, and the system needs to use a large amount of aircraft generator power supply. Because the air conditioning and refrigerating system comprises 3 motors, other systems of the aircraft also comprise flap motors, electric hydraulic pumps, electric oil supply pumps and other motors. The control box of the air conditioner refrigerating system realizes a ventilation or refrigerating working mode by controlling the on-off of the power supplies of the 3 motors, the starting of the motors is 4-7 times of instantaneous overload, and a plurality of motors work simultaneously to generate excessive load on the aircraft power supply system, so that the stable operation of the power supply system is not facilitated.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the automatic power supply control device for the navigation aircraft air conditioning system, which has high safety and uses power supply automatically by shifting peaks.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a navigation aircraft is power automatic control device for air conditioning system, its includes power, one end passes through the electric hydraulic pump that switch and power connect, with electric hydraulic pump work pilot lamp that electric hydraulic pump connects in parallel, the input with the delay relay that electric hydraulic pump work pilot lamp high level end is connected, the control end with the contactor that delay relay's output is connected and the input with the air conditioning refrigerating system power control box that contactor output is connected, electric hydraulic pump work pilot lamp, delay relay, contactor and air conditioning refrigerating system power control box are connected the ground connection respectively;
the contactor control end comprises an energizing coil and a first contactor normally-closed contact arranged above the energizing coil, the first contactor normally-closed contact is connected with a second contactor normally-closed contact through a spring, one end of the energizing coil is connected with a delay relay, the other end of the energizing coil is connected with a grounding end, one end of the first contactor normally-closed contact is connected with the delay relay, the other end of the first contactor normally-closed contact is connected with the grounding end, one end of the second contactor normally-closed contact is connected with a power supply, and the other end of the second contactor normally-closed contact is connected with a power supply control box of an air conditioner refrigerating system.
Further, the output end of the power supply control box of the air conditioner refrigerating system is respectively connected with the compressor, the condenser fan and the evaporator fan.
Further, the contactor model adopts HJJ-25.
Furthermore, JS-1 is adopted as the delay relay type number.
Compared with the prior art, the invention has the following beneficial effects:
the invention uses the electric hydraulic pump with the maximum power consumption by selecting the peak-shifting mode with the air-conditioning refrigerating system, and designs the air-conditioning refrigerating system as a controlled system because the air-conditioning refrigerating system belongs to an auxiliary system, namely, the air-conditioning refrigerating system automatically stops working when the electric hydraulic pump works, and the work of the air-conditioning refrigerating system is automatically stopped when the landing gear is retracted and released through the control circuit, so that the work of the air-conditioning refrigerating system is automatically recovered after the landing gear is retracted and released in place by slightly delaying, and the stable operation of the on-board power supply system is ensured.
Drawings
FIG. 1 is a schematic diagram of the circuit structure of the present invention;
the electric hydraulic pump comprises a hydraulic pump body, an electric hydraulic pump, a hydraulic pump working indicator lamp, a delay relay, a contactor, a power supply control box of an air conditioner refrigerating system, an energizing coil, a normally-closed contact of the first contactor, a normally-closed contact of the second contactor, a spring and a normally-closed contact of the second contactor, a compressor, a condenser fan, an evaporator fan and a condenser fan, wherein the electric hydraulic pump body comprises a hydraulic pump body, a hydraulic pump working indicator lamp, a delay relay, a contactor, a power supply control box of the air conditioner refrigerating system, a power supply coil, a normally-closed contact of the first contactor, a spring and the second contactor, the normally-closed contact of the second contactor, the electric hydraulic pump body comprises a compressor, a normally-closed contact of the first contactor, the electric hydraulic pump and the electric hydraulic pump working indicator lamp.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the invention provides an automatic power supply control device for a navigation aircraft air conditioning system, which comprises a power supply, an electric hydraulic pump 1, an electric hydraulic pump working indicator lamp 2, a delay relay 3, a contactor 4 and an air conditioning refrigerating system power supply control box 5, wherein one end of the electric hydraulic pump 1 is connected with the power supply through a switch, the electric hydraulic pump working indicator lamp 2 is connected with the electric hydraulic pump 1 in parallel, the input end of the delay relay 3 is connected with the high-level end of the electric hydraulic pump working indicator lamp 2, the contactor 4 is connected with the output end of the delay relay 3, the input end of the air conditioning refrigerating system power supply control box 5 is connected with the output end of the contactor 4, and the model of the delay relay 3 adopts JS-1 because the normal working of an aircraft landing gear system is not influenced; the invention uses the electric hydraulic pump 1 with the maximum power consumption by selecting the peak-shifting mode with the air-conditioning refrigerating system, and designs the air-conditioning refrigerating system as a controlled system because the air-conditioning refrigerating system belongs to an auxiliary system, namely, the air-conditioning refrigerating system automatically stops working when the electric hydraulic pump 1 works, and the work of the air-conditioning refrigerating system is automatically stopped when the landing gear is retracted and released through the control circuit, so that the work of the air-conditioning refrigerating system is automatically recovered after the landing gear is retracted and released in place by slightly delaying, and the stable operation of the on-board power supply system is ensured.
The control end of the contactor 4 comprises an energizing coil 6 and a first contactor normally-closed contact 7 arranged above the energizing coil 6, the type of the contactor 4 is HJJ-25, the first contactor normally-closed contact 7 is connected with a second contactor normally-closed contact 9 through a spring 8, one end of the energizing coil 6 is connected with a time delay relay 3, the other end of the energizing coil 6 is connected with a grounding end, one end of the first contactor normally-closed contact 7 is connected with the time delay relay 3, the other end of the first contactor normally-closed contact 7 is connected with the grounding end, one end of the second contactor normally-closed contact 9 is connected with a power supply, the other end of the second contactor normally-closed contact 9 is connected with an air conditioning and refrigerating system power supply control box 5, and the output end of the air conditioning and refrigerating system power supply control box 5 is respectively connected with a compressor 10, a condenser fan 11 and an evaporator fan 12.
The working principle is as follows:
according to the invention, by adding the control circuit, the air-conditioning refrigerating system is normally started after an engine is started, when an undercarriage is retracted or put down after an airplane takes off, a switch connected with the electric hydraulic pump 1 is turned on, the electric hydraulic pump 1 starts to work, the electric hydraulic pump work indicator lamp 2 is lighted, the delay breaking relay 3 is in attraction, the normally-closed contact 7 of the first contactor is broken, the normally-closed contact 7 of the first contactor is connected with the normally-closed contact 9 of the second contactor through the spring 8, the normally-closed contact 9 of the second contactor is broken, the power supply of the air-conditioning refrigerating system is cut off, and the air-conditioning refrigerating system stops working; after the landing gear is retracted or put down in place, a switch connected with the electric hydraulic pump 1 is closed, the electric hydraulic pump 1 stops working, the electric hydraulic pump working indicator lamp 2 is turned off, the delay disconnection relay 3 is disconnected after the electric hydraulic pump working indicator lamp 2 is turned off for 0.5S, the normally closed contact 7 of the first contactor is closed, the normally closed contact 9 of the second contactor is closed immediately, the power supply of the air conditioner refrigerating system is connected, and the air conditioner refrigerating system resumes working.
The above described embodiments are only preferred examples of the invention and are not exhaustive of the possible implementations of the invention. Any obvious modifications thereof, which would be apparent to those skilled in the art without departing from the principles and spirit of the present invention, should be considered to be within the scope of the appended claims.
Claims (1)
1. The automatic power supply control device for the navigation aircraft air conditioning system is characterized by comprising a power supply, an electric hydraulic pump (1) with one end connected with the power supply through a switch, an electric hydraulic pump working indicator lamp (2) connected with the electric hydraulic pump (1) in parallel, a delay relay (3) with the input end connected with the high-level end of the electric hydraulic pump working indicator lamp (2), a contactor (4) with the control end connected with the output end of the delay relay (3), and an air conditioning refrigerating system power supply control box (5) with the input end connected with the output end of the contactor (4), wherein the electric hydraulic pump (1), the electric hydraulic pump working indicator lamp (2), the delay relay (3), the contactor (4) and the air conditioning refrigerating system power supply control box (5) are respectively connected with a grounding end; the control end of the contactor (4) comprises an energizing coil (6) and a first contactor normally-closed contact (7) arranged above the energizing coil (6), the first contactor normally-closed contact (7) is connected with a second contactor normally-closed contact (9) through a spring (8), one end of the energizing coil (6) is connected with a time delay relay (3), the other end of the energizing coil (6) is connected with a grounding end, one end of the first contactor normally-closed contact (7) is connected with the time delay relay (3), the other end of the first contactor normally-closed contact (7) is connected with a grounding end, one end of the second contactor normally-closed contact (9) is connected with a power supply, and the other end of the second contactor normally-closed contact (9) is connected with a power supply control box (5) of the air conditioner refrigerating system; the output end of the air conditioner refrigerating system power supply control box (5) is respectively connected with a compressor (10), a condenser fan (11) and an evaporator fan (12); the type of the contactor (4) adopts HJJ-25; the model of the delay relay (3) adopts JS-1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494271.1A CN109455301B (en) | 2018-12-07 | 2018-12-07 | Automatic power control device for navigation aircraft air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494271.1A CN109455301B (en) | 2018-12-07 | 2018-12-07 | Automatic power control device for navigation aircraft air conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109455301A CN109455301A (en) | 2019-03-12 |
| CN109455301B true CN109455301B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811494271.1A Active CN109455301B (en) | 2018-12-07 | 2018-12-07 | Automatic power control device for navigation aircraft air conditioning system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5524448A (en) * | 1994-04-28 | 1996-06-11 | Schwanebeck; James W. | Minimum off-time device for protecting refrigeration compressors after a power interruption |
| CN101239659A (en) * | 2002-10-22 | 2008-08-13 | 波音公司 | Electric-based secondary power system architectures for aircraft |
| JP2013014268A (en) * | 2011-07-05 | 2013-01-24 | Denso Corp | Vehicle air conditioning device |
| CN205783573U (en) * | 2016-05-30 | 2016-12-07 | 鹤壁市永达食品有限公司 | Water-cooling type air conditioner energy-saving control device |
| CN106655476A (en) * | 2016-12-08 | 2017-05-10 | 石家庄飞机工业有限责任公司 | Power supply source control device for airplane |
| CN108116186A (en) * | 2016-11-30 | 2018-06-05 | 比亚迪股份有限公司 | Automotive thermal tube manages system and electric vehicle |
-
2018
- 2018-12-07 CN CN201811494271.1A patent/CN109455301B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5524448A (en) * | 1994-04-28 | 1996-06-11 | Schwanebeck; James W. | Minimum off-time device for protecting refrigeration compressors after a power interruption |
| CN101239659A (en) * | 2002-10-22 | 2008-08-13 | 波音公司 | Electric-based secondary power system architectures for aircraft |
| JP2013014268A (en) * | 2011-07-05 | 2013-01-24 | Denso Corp | Vehicle air conditioning device |
| CN205783573U (en) * | 2016-05-30 | 2016-12-07 | 鹤壁市永达食品有限公司 | Water-cooling type air conditioner energy-saving control device |
| CN108116186A (en) * | 2016-11-30 | 2018-06-05 | 比亚迪股份有限公司 | Automotive thermal tube manages system and electric vehicle |
| CN106655476A (en) * | 2016-12-08 | 2017-05-10 | 石家庄飞机工业有限责任公司 | Power supply source control device for airplane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109455301A (en) | 2019-03-12 |
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