CN110816851A - Helicopter environmental control integrated control system - Google Patents
Helicopter environmental control integrated control system Download PDFInfo
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- CN110816851A CN110816851A CN201910965813.7A CN201910965813A CN110816851A CN 110816851 A CN110816851 A CN 110816851A CN 201910965813 A CN201910965813 A CN 201910965813A CN 110816851 A CN110816851 A CN 110816851A
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- electric control
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- 230000007613 environmental effect Effects 0.000 title claims description 17
- 239000007788 liquid Substances 0.000 claims abstract description 95
- 238000001816 cooling Methods 0.000 claims abstract description 82
- 238000004378 air conditioning Methods 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000001704 evaporation Methods 0.000 claims abstract description 18
- 230000008020 evaporation Effects 0.000 claims abstract description 18
- 230000005494 condensation Effects 0.000 claims abstract description 9
- 238000009833 condensation Methods 0.000 claims abstract description 9
- 239000003507 refrigerant Substances 0.000 claims description 21
- 230000001276 controlling effect Effects 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 claims description 15
- 238000005057 refrigeration Methods 0.000 claims description 12
- 238000010257 thawing Methods 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 3
- 239000003570 air Substances 0.000 description 34
- 230000033228 biological regulation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- B64D2013/0603—Environmental Control Systems
-
- 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
- B64D2013/0603—Environmental Control Systems
- B64D2013/0614—Environmental Control Systems with subsystems for cooling avionics
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to the technical field of design of an electric environment control system of a helicopter, and discloses a helicopter environment control integrated control system, which comprises: the environment control box, the air conditioner electric control box and the liquid cooling electric control box; the environment control box is provided with a working mode selection module, an in-cabin temperature setting module, an in-cabin temperature display module, a cold-carrying liquid temperature display module, a heating and refrigerating selection module, an evaporation and condensation fan rotating speed setting module and a liquid cooling speed setting module; the environment control box is used for receiving an instruction input by a user and controlling the air conditioner electric control box and the liquid cooling electric control box to work, and the air conditioner electric control box is used for carrying out corresponding air conditioning work according to the instruction sent by the environment control box; and the liquid cooling electric control box is used for carrying out corresponding liquid cooling work according to the instruction sent by the environment control box, so that the purpose of controlling the environment of the helicopter cabin is realized, and the equipment and the power consumption of the environment control system are reduced.
Description
Technical Field
The invention belongs to the technical field of design of an electric environment control system of a helicopter, and particularly relates to an environment control comprehensive control system of the helicopter.
Background
The traditional helicopter heating system mainly adopts a method of injecting external ambient air of the helicopter through high-temperature and high-pressure air bleed of an engine to supply heat to the cabin. In the actual flight process, the power loss can be caused by air bleed from the engine, and the flight performance envelope of the whole aircraft is reduced. The heating system needs a set of independent temperature control system for control and regulation, and the temperature control box sends a control instruction to the fan driving box, the overpressure switch and the like to realize the control of the temperature and the flow of hot gas.
The traditional helicopter high-power electronic equipment carries out independent or integral liquid cooling heat dissipation and directly discharges heat outside the helicopter. The liquid cooling system needs a set of independent temperature control system for control and regulation.
In the traditional evaporation circulation refrigeration, a control instruction is sent by an air conditioner control box, the instruction is independently sent to an air conditioner control electric control box, and the electric control box drives an evaporation circulation refrigeration system to operate. Is a set of independent control system.
The traditional helicopter ventilation heating system, the evaporation cycle refrigeration system and the electronic equipment cooling system are relatively independent, and the control systems of the traditional helicopter ventilation heating system, the evaporation cycle refrigeration system and the electronic equipment cooling system are also independently designed; there are many control systems, which place more stringent demands on the helicopter in terms of weight and power consumption.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an environment-controlled integrated control system for a helicopter, which performs centralized management and control by controlling various electric devices, sensors, etc., to achieve the purpose of controlling the environment of a cockpit of the helicopter, and simultaneously considers the liquid cooling requirements of high-power electronic devices, to achieve the heat dissipation effect of the electronic devices, and the integrated auxiliary heating air conditioning system makes full use of onboard energy, thereby reducing the devices and power consumption of the environment-controlled system.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme.
A helicopter environmental control integrated control system, said control system comprising: the environment control box, the air conditioner electric control box and the liquid cooling electric control box;
the environment control box is provided with a working mode selection module, an in-cabin temperature setting module, an in-cabin temperature display module, a cold-carrying liquid temperature display module, a heating and refrigerating selection module, an evaporation and condensation fan rotating speed setting module and a liquid cooling speed setting module;
the environment control box is used for receiving an instruction input by a user and controlling the air conditioner electric control box and the liquid cooling electric control box to work, and the instruction input by the user is selected through a working mode selection module, an in-cabin temperature setting module, an in-cabin temperature display module, a cold-carrying liquid temperature display module, a heating and refrigerating selection module, an evaporation and condensation fan rotating speed setting module and a liquid cooling speed setting module;
the air-conditioning electric control box is used for carrying out corresponding air conditioning work according to the instruction sent by the environment-control box;
and the liquid cooling electric control box is used for carrying out corresponding liquid cooling work according to the instruction sent by the environment control box.
The technical scheme of the invention has the characteristics and further improvements that:
(1) the working mode selection module comprises four working modes: a warming mode, a ventilation mode, a cooling mode, and a liquid cooling mode.
(2) The electrically controlled liquid-cooled box includes at least: the system comprises a temperature sensor 1, a temperature sensor 2, high-power electronic equipment, a liquid cooling pump and a liquid cooling regulating valve;
the temperature sensor 1 is used for displaying and detecting the temperature value of the cold-carrying liquid after the cold-carrying liquid is subjected to heat exchange through the liquid cooling heat exchanger;
the temperature sensor 2 is used for displaying the temperature value of the cold carrying liquid after the cold carrying liquid is heated by the high-power electronic equipment;
the high-power electronic equipment is used for carrying out heat dissipation on the liquid cooling system;
the liquid cooling pump is used for providing power for the flow of the cold-carrying liquid in the liquid cooling circulation;
the liquid cooling regulating valve; used for controlling the flow value of the cooling carrier liquid.
(3) After the high-power electronic equipment is started, the liquid cooling cycle is automatically started, the high-power electronic equipment sends a starting signal to the environment-control electric control box, the environment-control electric control box automatically adjusts to a liquid cooling mode, and the air-conditioning electric control box and the liquid-cooling electric control box are controlled to work.
(4) The air conditioner electric control box at least comprises: the device comprises an evaporation fan, a solenoid valve 1, a solenoid valve 2, a solenoid valve 3, an electronic expansion valve, a compressor, a condensation fan, a cabin evaporation condenser, an air return temperature sensor, a defrosting temperature sensor, a high-voltage protection switch, a low-voltage protection switch and a four-way valve.
(5) The working modes of the air conditioner electric control box comprise a heating mode, a ventilation mode, a refrigeration mode and a liquid cooling mode;
in a ventilation working mode, the air-conditioning electric control box controls the cabin evaporative condenser to work, and closes the electromagnetic valve 2, the electromagnetic valve 2 is used for controlling whether the refrigerant flowing through the cabin evaporative condenser circulates, and when the electromagnetic valve 2 is closed, the refrigerant does not pass through the cabin evaporative condenser;
under the liquid cooling working mode, the air conditioner electric control box controls the condenser, the compressor and the four-way valve to operate; the electromagnetic valve 1 is opened, the electromagnetic valve 1 is used for controlling whether the refrigerant flowing through the condenser circulates or not, and when the electromagnetic valve 1 is opened, the refrigerant passes through the condenser;
in a heating operation mode, the air conditioner electric control box controls the compressor, the condenser, the four-way valve and the cabin evaporative condenser to work, opens the electromagnetic valve 1, the electromagnetic valve 3 and the electronic expansion valve, and closes the electromagnetic valve 2, wherein the electromagnetic valve 3 is positioned between the outlet of the electronic expansion valve and the inlet of the liquid storage device;
and in a refrigeration working mode, the air conditioner electric control box controls the compressor, the condenser, the four-way valve and the cabin evaporative condenser to operate, opens the electromagnetic valve 1 and the electromagnetic valve 2, closes the electromagnetic valve 3 and closes the electronic expansion valve.
(6) The air-conditioning electric control box at least comprises: return air temperature sensor, defrosting temperature sensor, high-pressure protection switch and low-pressure protection switch.
(7) The return air temperature sensor is used for detecting the temperature value in the cabin and sending the temperature value to the air conditioner electric control box;
the defrosting temperature sensor is used for detecting the frosting state of the cabin evaporative condenser and sending a signal to the air-conditioning electric control box;
the high-voltage protection switch is used for detecting the pressure value of the refrigerant after the refrigerant is compressed by the compressor and sending a signal to the air conditioner electric control box;
and the low-voltage protection switch is used for detecting the pressure value before the refrigerant enters the compressor and sending a signal to the air-conditioning electric control box.
The invention realizes the control instruction integration of the helicopter air conditioning system and the electronic equipment cooling system, and realizes the function selection of a refrigeration mode, a heating mode, a liquid cooling mode and a ventilation mode. The invention integrates a plurality of control instructions of the environmental control subsystem, so that the structure is more compact, and the weight and the power consumption are very advantageous.
Drawings
Fig. 1 is a schematic structural diagram of an environment-controlled integrated control system for a helicopter according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an interface selection module of the environmental control box according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problem of low utilization rate of three systems in resource integration in the background technology, the thermodynamic resources of the whole machine need to be fully utilized to manage and control the on-machine energy. The helicopter environmental control integrated control system not only considers the control of the liquid cooling system of the electronic equipment, but also integrates the control of the air conditioning system, thereby reducing the weight of the control system and the quantity of the equipment. In summer hot weather, the heat of liquid cooling is transferred to an air conditioning system through heat exchange equipment, and the heat is discharged to the external environment by a condenser; in cold winter, the heat of the electronic equipment is transferred to the air conditioning system through the heat exchange equipment, and the heat is transferred to the cabin through the evaporative condenser. The helicopter cabin environment control system has the advantages that the purpose of controlling the helicopter cabin environment is achieved by controlling the electric equipment, the sensors and the like to carry out centralized management and control, the liquid cooling requirement of high-power electronic equipment is considered, the heat dissipation effect of the electronic equipment is achieved, the on-board energy is fully utilized by the comprehensive auxiliary heating type air conditioning system, and the equipment and the power consumption of the environment control system are reduced.
The helicopter environmental control integrated control system provided by the embodiment of the invention, as shown in fig. 1, mainly comprises:
the environment control box is used for receiving user input and controlling the liquid cooling electric control box and the air conditioner electric control box;
preferably, the receiving user input of the environment control box comprises the selection of heating, ventilation, liquid cooling and refrigerating modes, the setting of heating and refrigerating temperatures, the selection of manual and automatic modes, the regulation of wind speed and the regulation of liquid cooling speed;
preferably, under the automatic mode selected by the heating and refrigerating modes, the temperature in the cabin can be set through the temperature setting knob, the control unit compares the set temperature value with the temperature in the cabin, and the liquid cooling electric control box and the air conditioner electric control box are automatically controlled to be matched;
preferably, a display is arranged above the temperature setting knob on the environment-controlled control box, and the display can display a set value of the temperature;
preferably, the environment control box is provided with an in-cabin temperature display, and the display can display the in-cabin environment temperature value in real time and give a driver an environment control mode selection reference;
preferably, the environment control box is provided with a liquid cooling temperature display, and the display can display the operating temperature value of the liquid cooling system when the high-power electronic equipment works in real time and give a driver a reference for environment control mode selection;
and the liquid cooling electric control box control unit is connected with the ring control box and receives user input to control the operation of the liquid cooling equipment.
The liquid cooling system control unit includes:
the temperature sensor 1 is used for displaying and detecting the temperature value of the cold carrying night after the cold carrying night is subjected to heat exchange through the liquid cooling heat exchanger;
the temperature sensor 2 is used for displaying and detecting the temperature value of the cold carrying liquid after the cold carrying liquid is heated by the high-power electronic equipment;
the high-power equipment is used for carrying out heat dissipation on the liquid cooling system;
the liquid cooling pump is used for providing power for the flow of the cold carrying liquid in the liquid cooling circulation;
a liquid cooling regulating valve; used for controlling the flow value of the cooling liquid;
preferably, the liquid cooling cycle is automatically started after the high-power equipment is started, and the high-power electronic equipment sends a starting signal to the liquid cooling electric control box;
preferably, a liquid cooling speed selection switch on the environment control box controls the flow and the flow speed of the liquid cooling system pump and the liquid cooling regulating valve, so that the liquid cooling speed control is realized;
and the air conditioner electric control box control unit is connected with the air conditioner electric control box and receives user input to control the operation of the air conditioner system equipment.
Preferably, the air conditioner electronic control box control unit includes:
in a ventilation working mode, transmitting a command sent by the environment control box to the air conditioner electric control box, controlling the cabin evaporation and condensation fan to work by the air conditioner electric control box, and closing the electromagnetic valve 2; the electromagnetic valve 2 is used for controlling whether the refrigerant flowing through the cabin evaporative condenser circulates or not, and when the electromagnetic valve 2 is closed, the refrigerant does not pass through the cabin evaporative condenser;
under the liquid cooling working mode, transmitting a command sent by the environment control box to the air conditioner electric control box, wherein the air conditioner electric control box controls the operation of a condensing fan, a compressor and a four-way valve; and opening the electromagnetic valve 1; the electromagnetic valve 1 is used for controlling whether the refrigerant flowing through the condenser circulates or not, and when the electromagnetic valve 1 is opened, the refrigerant passes through the condenser;
under the heating operation mode, transmitting an instruction sent by the environment control box to the air conditioner electric control box, controlling the compressor, the condensing fan, the four-way valve and the cabin evaporation condensing fan to work by the air conditioner electric control box, opening the electromagnetic valve 1, the electromagnetic valve 3 and the electronic expansion valve, and closing the electromagnetic valve 2; the electromagnetic valve 3 is positioned between the outlet of the electronic expansion valve and the inlet of the liquid storage device;
the compressor, the condensing fan, the four-way valve and the cabin evaporation condensing fan work, the electromagnetic valve 1, the electromagnetic valve 3 and the electronic expansion valve are opened, and the electromagnetic valve 2 is closed;
in a refrigeration working mode, transmitting an instruction sent by the environment control box to the air conditioner electric control box, wherein the air conditioner electric control box controls the compressor, the condensing fan, the four-way valve and the cabin evaporation condensing fan to operate, and opens the electromagnetic valve 1 and the electromagnetic valve 2; the solenoid valve 3 and the electronic expansion valve are closed.
The air conditioner control unit includes:
the return air temperature sensor is used for detecting the temperature value in the cabin and sending the temperature value to the air conditioner electric control box;
the defrosting temperature sensor is used for detecting the frosting state of the cabin evaporative condenser and sending a signal to the air-conditioning electric control box;
the high-voltage protection switch is used for detecting the pressure value of the refrigerant after the refrigerant is compressed by the compressor and sending a signal to the air conditioner electric control box;
the low-voltage protection switch is used for detecting the pressure value of the refrigerant before entering the compressor and sending a signal to the air-conditioning electronic control box;
preferably, under a manual mode, the effects of accelerating ventilation, heating and refrigeration are realized by controlling the running speed of the cabin evaporation and condensation fan; when the ventilation mode is selected, the defrosting effect of the air conditioning system is realized;
preferably, the temperature setting range of the control panel is 10-30 ℃;
the technical scheme of the invention realizes the integration of all control instructions of four modes of heating, ventilation, refrigeration and liquid cooling; the environmental temperature and the lubricating oil temperature in the cabin are displayed on the picture of the environment control box in all working states.
The invention realizes the control instruction integration of the helicopter air conditioning system and the electronic equipment cooling system for the first time, and realizes the function selection of a refrigeration mode, a heating mode, a liquid cooling mode and a ventilation mode. The invention integrates a plurality of control instructions of the environmental control subsystem, so that the structure is more compact, and the weight and the power consumption are very advantageous.
The foregoing is merely a detailed description of the embodiments of the present invention, and some of the conventional techniques are not detailed. The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An environmentally controlled integrated control system for a helicopter, said control system comprising: the environment control box, the air conditioner electric control box and the liquid cooling electric control box;
the environment control box is provided with a working mode selection module, an in-cabin temperature setting module, an in-cabin temperature display module, a cold-carrying liquid temperature display module, a heating and refrigerating selection module, an evaporation and condensation fan rotating speed setting module and a liquid cooling speed setting module;
the environment control box is used for receiving an instruction input by a user and controlling the air conditioner electric control box and the liquid cooling electric control box to work, and the instruction input by the user is selected through a working mode selection module, an in-cabin temperature setting module, an in-cabin temperature display module, a cold-carrying liquid temperature display module, a heating and refrigerating selection module, an evaporation and condensation fan rotating speed setting module and a liquid cooling speed setting module;
the air-conditioning electric control box is used for carrying out corresponding air conditioning work according to the instruction sent by the environment-control box;
and the liquid cooling electric control box is used for carrying out corresponding liquid cooling work according to the instruction sent by the environment control box.
2. The integrated helicopter ring control system of claim 1 wherein said operational mode selection module comprises four operational modes: a warming mode, a ventilation mode, a cooling mode, and a liquid cooling mode.
3. The helicopter environmental control integrated control system of claim 1, wherein the liquid-cooled electronic control box comprises at least: the system comprises a temperature sensor 1, a temperature sensor 2, high-power electronic equipment, a liquid cooling pump and a liquid cooling regulating valve;
the temperature sensor 1 is used for displaying and detecting the temperature value of the cold-carrying liquid after the cold-carrying liquid is subjected to heat exchange through the liquid cooling heat exchanger;
the temperature sensor 2 is used for displaying the temperature value of the cold carrying liquid after the cold carrying liquid is heated by the high-power electronic equipment;
the high-power electronic equipment is used for carrying out heat dissipation on the liquid cooling system;
the liquid cooling pump is used for providing power for the flow of the cold-carrying liquid in the liquid cooling circulation;
the liquid cooling regulating valve; used for controlling the flow value of the cooling carrier liquid.
4. The helicopter environmental control integrated control system of claim 3, characterized in that the liquid cooling cycle is automatically started after the high power electronic device is turned on, a start signal is sent by the high power electronic device to the environmental control electronic control box, the environmental control box automatically adjusts to the liquid cooling mode, and controls the air conditioning electronic control box and the liquid cooling electronic control box to operate.
5. A helicopter environmental control integrated control system according to claim 1, wherein said air conditioning control box includes at least: the device comprises an evaporation fan, a solenoid valve 1, a solenoid valve 2, a solenoid valve 3, an electronic expansion valve, a compressor, a condensation fan, a cabin evaporation condenser, an air return temperature sensor, a defrosting temperature sensor, a high-voltage protection switch, a low-voltage protection switch and a four-way valve.
6. The helicopter environmental control integrated control system of claim 5, wherein the operating modes of the air conditioning control box include a warming mode, a ventilation mode, a cooling mode, and a liquid cooling mode;
in a ventilation working mode, the air-conditioning electric control box controls the cabin evaporative condenser to work, and closes the electromagnetic valve 2, the electromagnetic valve 2 is used for controlling whether the refrigerant flowing through the cabin evaporative condenser circulates, and when the electromagnetic valve 2 is closed, the refrigerant does not pass through the cabin evaporative condenser;
under the liquid cooling working mode, the air conditioner electric control box controls the condenser, the compressor and the four-way valve to operate; the electromagnetic valve 1 is opened, the electromagnetic valve 1 is used for controlling whether the refrigerant flowing through the condenser circulates or not, and when the electromagnetic valve 1 is opened, the refrigerant passes through the condenser;
in a heating operation mode, the air conditioner electric control box controls the compressor, the condenser, the four-way valve and the cabin evaporative condenser to work, opens the electromagnetic valve 1, the electromagnetic valve 3 and the electronic expansion valve, and closes the electromagnetic valve 2, wherein the electromagnetic valve 3 is positioned between the outlet of the electronic expansion valve and the inlet of the liquid storage device;
and in a refrigeration working mode, the air conditioner electric control box controls the compressor, the condenser, the four-way valve and the cabin evaporative condenser to operate, opens the electromagnetic valve 1 and the electromagnetic valve 2, closes the electromagnetic valve 3 and closes the electronic expansion valve.
7. A helicopter environmental control integrated control system according to claim 1, wherein said air conditioning control box further comprises at least: return air temperature sensor, defrosting temperature sensor, high-pressure protection switch and low-pressure protection switch.
8. A helicopter environmental control integrated control system according to claim 7,
the return air temperature sensor is used for detecting the temperature value in the cabin and sending the temperature value to the air conditioner electric control box;
the defrosting temperature sensor is used for detecting the frosting state of the cabin evaporative condenser and sending a signal to the air-conditioning electric control box;
the high-voltage protection switch is used for detecting the pressure value of the refrigerant after the refrigerant is compressed by the compressor and sending a signal to the air conditioner electric control box;
and the low-voltage protection switch is used for detecting the pressure value before the refrigerant enters the compressor and sending a signal to the air-conditioning electric control box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910965813.7A CN110816851A (en) | 2019-10-11 | 2019-10-11 | Helicopter environmental control integrated control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910965813.7A CN110816851A (en) | 2019-10-11 | 2019-10-11 | Helicopter environmental control integrated control system |
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| CN110816851A true CN110816851A (en) | 2020-02-21 |
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| CN201910965813.7A Pending CN110816851A (en) | 2019-10-11 | 2019-10-11 | Helicopter environmental control integrated control system |
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Cited By (3)
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| CN112078806A (en) * | 2020-09-25 | 2020-12-15 | 中国直升机设计研究所 | Helicopter liquid cooling integrated control system |
| CN113721522A (en) * | 2021-08-31 | 2021-11-30 | 合肥美的暖通设备有限公司 | Protection circuit, automatically controlled box and air conditioner |
| CN114030619A (en) * | 2021-11-19 | 2022-02-11 | 中国直升机设计研究所 | Modular helicopter air conditioning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078806A (en) * | 2020-09-25 | 2020-12-15 | 中国直升机设计研究所 | Helicopter liquid cooling integrated control system |
| CN112078806B (en) * | 2020-09-25 | 2022-12-30 | 中国直升机设计研究所 | Helicopter liquid cooling integrated control system |
| CN113721522A (en) * | 2021-08-31 | 2021-11-30 | 合肥美的暖通设备有限公司 | Protection circuit, automatically controlled box and air conditioner |
| CN113721522B (en) * | 2021-08-31 | 2023-10-20 | 合肥美的暖通设备有限公司 | Protection circuit, electric control box and air conditioner |
| CN114030619A (en) * | 2021-11-19 | 2022-02-11 | 中国直升机设计研究所 | Modular helicopter air conditioning system |
| CN114030619B (en) * | 2021-11-19 | 2023-10-27 | 中国直升机设计研究所 | Modularized helicopter air conditioning system |
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Application publication date: 20200221 |