CN212448057U - Automatic air charging device of airborne air conditioning system - Google Patents
Automatic air charging device of airborne air conditioning system Download PDFInfo
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- CN212448057U CN212448057U CN202020768342.9U CN202020768342U CN212448057U CN 212448057 U CN212448057 U CN 212448057U CN 202020768342 U CN202020768342 U CN 202020768342U CN 212448057 U CN212448057 U CN 212448057U
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Abstract
The utility model relates to the field of airplane brake equipment, in particular to an automatic inflating device of an airborne air conditioning system, which comprises a pressure supply part and a brake part; the pressure supply part comprises an air pressure microswitch, a cold air pump, a precipitation filter, an automatic pressure regulator, a cold air bottle and an onboard storage battery; the air outlet end of the precipitation filter is connected with an automatic pressure regulator; the air outlet end of the automatic pressure regulator is connected with the cold air bottle; the air pressure microswitch is arranged on an air outlet pipeline of the air cooling bottle, and is arranged on the air cooling pump and the onboard storage battery control circuit; by adopting the utility model, the air pressure micro switch is used as a control element to control the circuit loop of the air cooling pump and the airborne storage battery, so as to realize automation and intelligent control of starting and stopping, and prolong the service life of the whole system; the precipitation filter is matched with the automatic pressure regulator to ensure the purity and the pressure of the cold air pumped into the pump, and the quality of the cold air is ensured not to influence the normal work.
Description
Technical Field
The utility model relates to an aircraft braking equipment field especially relates to an automatic inflation device of airborne air conditioning system.
Background
The airborne cold air system is mainly used for braking, and can utilize cold air stored in an air bottle on an airplane to inflate a main landing gear shock strut, a tail shock absorber and tires under the condition that ground cold air equipment is not available; the device can be used for operating agricultural equipment on flight equipment for agriculture.
The mechanical air pump of the active part of the airborne air conditioning system is fixedly arranged on a main speed reducer through bolts and is driven by a gear of the main speed reducer to drive the air pump, and the structural form of the existing mechanical air pump system has the defects and disadvantages that: the reliability is poor. The mechanical air pump is tightly connected with the main speed reducer through bolts, and the main speed reducer is easily damaged when the air pump is replaced. Secondly, the energy consumption is high, and under the existing structural form, when a helicopter flies or is driven on the ground, as long as the main speed reducer works, no matter whether the airborne cold air bottle needs to be pressurized, the mechanical air pump is always driven to rotate and is in a continuous working state, so that the energy is wasted, and the abrasion is aggravated. And thirdly, the noise pollution is large. When the airborne cold air bottle does not need to be inflated, compressed air generated by the operation of the air pump is directly discharged to the atmosphere through the automatic pressure regulating mechanism, and the exhaust operation generates the shock impact of high-pressure air to emit great noise. And fourthly, the survivability is poor. Under the field condition, because of the requirement or damage of the task, the helicopter often lands in the area without the station guarantee condition, when the pressure of the airborne cold air bottle is insufficient and the tire needs to be repaired and pressurized by war injury, the engine is started to drive the air pump to perform pressurization work after the main speed reducer works stably, and the process needs long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adopt automatically controlled air pump, realize automatic atmospheric pressure balance, air pump work is independent, lift system life's automatic inflation device.
An automatic inflator for an airborne air conditioning system includes a pressure supply portion and a brake portion; the pressure supply part comprises an air pressure microswitch, a cold air pump, a precipitation filter, an automatic pressure regulator, a cold air bottle and an onboard storage battery;
the air outlet end of the precipitation filter is connected with an automatic pressure regulator; the air outlet end of the automatic pressure regulator is connected with the cold air bottle;
the air pressure microswitch is arranged on an air outlet pipeline of the air cooling bottle, and is arranged on the air cooling pump and the onboard storage battery control circuit; and a cold air switch is also arranged between the cold air bottle and the brake part.
Further, the brake part includes: the brake air filter, the pressure reducing valve, the pressure regulating valve, the cold air pressure gauge, the brake pressure gauge and the undercarriage pressure assembly;
brake air is strained to air conditioning switch back end connection, pressure reduction valve and pressure regulating valve form the pressure regulation return circuit, the brake air is strained the gas end and is inserted the pressure regulation return circuit, the air conditioning manometer sets up on the pressure regulation return circuit, the end of giving vent to anger of pressure regulating valve inserts undercarriage pressure components, the brake manometer sets up on the gas circuit pipeline between pressure regulating valve and undercarriage pressure components.
Further, an automatic air charging device for an onboard air conditioning system further comprises a ground air charging system, the ground air charging system comprising: ground charging connector and air intake filter; the ground charging connector is connected with ground cold air at the air inlet end, the air filter is connected with the air outlet end, the air filter is connected with the automatic pressure regulator at the air outlet end, and the ground charging system and the pressure supply part share the connecting pipeline at the rear section of the automatic pressure regulator.
Further, the automatic voltage regulator is provided with a voltage regulating air outlet.
Furthermore, the sedimentation filter and the intake air filtering rear section are both provided with one-way valves.
Further, the landing gear pressure assembly includes a landing gear shock strut, a tail shock absorber, and a tire bladder.
The utility model has the advantages that:
the utility model discloses the working process is as follows, atmospheric pressure micro-gap switch is atmospheric pressure sensing element for detect the pressure of gas circuit on the air conditioning bottle, and the air conditioning pump is automatically controlled air conditioning pump, and the machine carries the battery to supply power for it, atmospheric pressure micro-gap switch sets up in the return circuit that air conditioning pump and machine carried battery formed, and control its start-stop; when the air pressure of an outlet pipeline of the air conditioner bottle is smaller than a set value, the pressure sensitive element of the air pressure microswitch expands, the switch is triggered, the control circuit is switched on, the air conditioner pump is electrified to work, the air conditioner firstly filters impurities and dust by the precipitation filter, then enters the automatic pressure regulator to perform air pressure stabilization, the pressure-stabilized air conditioner finally enters the air conditioner bottle to perform air conditioner supplement, when the pressure of the air conditioner reaches a preset value, the pressure sensitive element of the air pressure microswitch is compressed, and after the switch is closed, the air conditioner pump is powered off, and the air charging is finished;
by adopting the utility model, the air pressure micro switch is used as a control element, and the air pressure micro switch is triggered by the change of the air pressure in the air conditioner bottle, thereby controlling the circuit loop of the air conditioner pump and the airborne storage battery, realizing automation, intelligently controlling the start and stop, and independently cooling the work of the pump, and prolonging the service life of the whole system; the precipitation filter is matched with the automatic pressure regulator, so that the purity and the cold air pressure of the cold air pumped into the pump can be guaranteed, and the quality of the cold air is guaranteed not to influence normal work.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a circuit diagram of an air conditioner pump control circuit according to the present invention;
reference numerals: 1-air pressure microswitch, 2-cold air pump, 3-sediment filter, 4-automatic pressure regulator, 41-pressure regulating air outlet, 5-air inlet filter, 6-ground charging nozzle, 7-cold air bottle, 8-brake air filter, 9-pressure reducing valve, 10-cold air pressure gauge, 11-brake pressure gauge, 12-pressure regulating valve, 13-undercarriage pressure component, 14-onboard battery, 15-one-way valve and 16-cold air switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, it is characterized by comprising a pressure supply part and a brake part; the pressure supply part comprises an air pressure microswitch 1, an air conditioning pump 2, a precipitation filter 3, an automatic pressure regulator 4, an air conditioning bottle 7 and an onboard storage battery 14; the air outlet end of the precipitation filter 3 is connected with an automatic pressure regulator 4; the air outlet end of the automatic pressure regulator 4 is connected with an air bottle 7; the air pressure microswitch 1 is arranged on an air outlet pipeline of the cold air bottle 7, and the air pressure microswitch 1 is arranged on a control circuit of the cold air pump 2 and the onboard storage battery 14; and a cold air switch 16 is also arranged between the cold air bottle 7 and the brake part.
The working process of the utility model is as follows, the air pressure micro switch 1 is an air pressure sensitive element and is used for detecting the pressure of an air path on the air conditioner bottle 7, the air conditioner pump 2 is an electric control air conditioner pump, the onboard storage battery 14 supplies power to the air conditioner pump, and the air pressure micro switch 1 is arranged in a loop formed by the air conditioner pump 2 and the onboard storage battery 14 and controls the start and stop of the air conditioner pump; when the air pressure of an outlet pipeline of the air conditioner bottle 7 is smaller than a set value, a pressure sensitive element of the air pressure microswitch 1 expands, the switch is triggered, a control circuit is switched on, the air conditioner pump 2 is electrified to work, the air conditioner firstly filters impurities and dust by a precipitation filter 3, then enters an automatic pressure regulator 4 to stabilize air pressure, the pressure-stabilized air conditioner finally enters the air conditioner bottle 7 to supplement the air conditioner, when the pressure of the air conditioner reaches a preset value, the pressure sensitive element of the air pressure microswitch 1 is compressed, after the switch is closed, the air conditioner pump 2 is powered off, and the air charging is finished;
by adopting the utility model, the air pressure microswitch 1 is used as a control element, and the air pressure microswitch 1 is triggered by the change of the air pressure in the air conditioning bottle 7, so that the circuit loop of the air cooling pump 1 and the onboard storage battery 14 is controlled, the automation is realized, the start and stop are intelligently controlled, the work of the independent cooling pump 2 is realized, and the service life of the whole system is prolonged; the precipitation filter 3 is matched with the automatic pressure regulator 4 to ensure the purity and the pressure of the cold air pumped into the filter, and the quality of the cold air is ensured not to influence the normal work.
In this embodiment, further, the brake part includes: the brake air filter 8, the pressure reducing valve 9, the pressure regulating valve 12, the cold air pressure gauge 10, the brake pressure gauge 11 and the undercarriage pressure assembly 13; the rear section of the cold air switch 16 is connected with a brake air filter 8, the pressure reducing valve 9 and the pressure regulating valve 12 form a pressure regulating loop, the air outlet end of the brake air filter 8 is connected with the pressure regulating loop, the cold air pressure gauge 10 is arranged on the pressure regulating loop, the air outlet end of the pressure regulating valve 12 is connected with an undercarriage pressure assembly 13, and the brake pressure gauge 11 is arranged on an air path pipeline between the pressure regulating valve 12 and the undercarriage pressure assembly 13;
when the brake part needs to be inflated by cold air, the cold air switch 16 is controlled by the onboard host, the cold air bottle 7 releases the cold air, the cold air is filtered by the brake air filter 8 to ensure the purity of the cold air, then the cold air enters the pressure reducing valve 9 and the pressure regulating valve 12 to form a pressure regulating loop, the pressure of the cold air is measured by the cold air pressure gauge 10 and the brake pressure gauge 11 in real time, and finally the cold air enters the undercarriage pressure assembly 13 through the pressure regulating valve 12 to complete the inflation of the cold air of the brake part.
In this embodiment, further, still include ground inflation system, ground inflation system includes: a ground charging connector 6 and an intake air filter 5; the air inlet end of the ground charging connector 6 is connected with ground cold air, the air outlet end of the ground charging connector 5 is connected with an air inlet filter 5, the air outlet end of the air inlet filter 5 is connected with an automatic pressure regulator 4, and a ground charging system and a pressure supply part share a connecting pipeline at the rear section of the automatic pressure regulator 4;
the ground inflation system makes this reality also can realize the maintenance and maintenance task in the ground operation, directly pours into air conditioning by ground charging connector 6, and recent air is strained 5 and is carried out impurity and filter, gets into automatic voltage regulator 4 back, with supply to press the part sharing connecting line, realizes that device and system utilize the maximize.
In this embodiment, further, the automatic voltage regulator 4 is provided with a voltage regulating air outlet 41; the pressure regulating air outlet 41 can release the overload air pressure of the automatic pressure regulator 4 to the atmospheric air, so as to protect the automatic pressure regulator 4 and a system connecting pipeline.
In this embodiment, further, the rear sections of the sediment filter 3 and the intake air filter 5 are both provided with a check valve 15; the one-way valve 15 can prevent the backflow of the cold air pressure in the air path.
In this embodiment, the landing gear pressure assembly 13 includes a landing gear shock strut, a tail shock absorber, and a tire bladder.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope and spirit of the invention as defined by the accompanying claims.
Claims (6)
1. An automatic inflator for an airborne air conditioning system, comprising a pressure supply portion and a brake portion; the pressure supply part comprises an air pressure microswitch (1), a cold air pump (2), a precipitation filter (3), an automatic pressure regulator (4), a cold air bottle (7) and an onboard storage battery (14);
the pump air end of the cold air pump (2) is connected with a precipitation filter (3), and the air outlet end of the precipitation filter (3) is connected with an automatic pressure regulator (4); the air outlet end of the automatic pressure regulator (4) is connected with an air bottle (7);
the air pressure microswitch (1) is arranged on an air outlet pipeline of the air cooling bottle (7), and the air pressure microswitch (1) is arranged on a control circuit of the air cooling pump (2) and the onboard storage battery (14); and a cold air switch (16) is also arranged between the cold air bottle (7) and the brake part.
2. The automatic inflator for an on-board air conditioning system according to claim 1, wherein the brake section comprises: the air-conditioning system comprises a brake air filter (8), a pressure reducing valve (9), a pressure regulating valve (12), a cold air pressure gauge (10), a brake pressure gauge (11) and an undercarriage pressure assembly (13);
brake air filter (8) is connected to air conditioning switch (16) rear section, relief valve (9) and pressure regulating valve (12) form the pressure regulation return circuit, brake air filter (8) the end of giving vent to anger inserts the pressure regulation return circuit, air conditioning manometer (10) set up on the pressure regulation return circuit, the end of giving vent to anger of pressure regulating valve (12) inserts undercarriage pressure components (13), brake manometer (11) set up on the gas circuit pipeline between pressure regulating valve (12) and undercarriage pressure components (13).
3. The automatic inflator for an on-board air conditioning system of claim 1, further comprising a floor inflation system, the floor inflation system comprising: a ground charging connector (6) and an intake air filter (5); ground charging connector (6) inlet end connects ground air conditioning, and the end of giving vent to anger is connected into air filter (5) of admitting air, air filter (5) of giving vent to anger end access automatic voltage regulator (4) are strained to air filter (5), ground inflation system and the supply to press the connecting line of partial sharing automatic voltage regulator (4) rear segment.
4. An automatic inflator for an onboard air conditioning system according to claim 1 or 3, characterized in that the automatic pressure regulator (4) is provided with a pressure regulating air outlet (41).
5. An automatic inflator for an onboard air conditioning system according to claim 1 or 3, characterized in that the rear sections of the sediment filter (3) and the intake air filter (5) are each provided with a check valve (15).
6. An automatic inflator for an onboard air conditioning system according to claim 2 wherein the landing gear pressure assembly (13) includes a landing gear shock strut, a tail shock absorber and a tire bladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020768342.9U CN212448057U (en) | 2020-05-11 | 2020-05-11 | Automatic air charging device of airborne air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020768342.9U CN212448057U (en) | 2020-05-11 | 2020-05-11 | Automatic air charging device of airborne air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212448057U true CN212448057U (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020768342.9U Active CN212448057U (en) | 2020-05-11 | 2020-05-11 | Automatic air charging device of airborne air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212448057U (en) |
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2020
- 2020-05-11 CN CN202020768342.9U patent/CN212448057U/en active Active
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