CN209925095U - Portable ground starting box for turbojet engine - Google Patents
Portable ground starting box for turbojet engine Download PDFInfo
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- CN209925095U CN209925095U CN201920224657.4U CN201920224657U CN209925095U CN 209925095 U CN209925095 U CN 209925095U CN 201920224657 U CN201920224657 U CN 201920224657U CN 209925095 U CN209925095 U CN 209925095U
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Abstract
The utility model discloses a portable ground starting box for turbojet engine. The air gas bottle and the gas bottle are both connected to a ground starting box, an electrical system circuit with a gas electromagnetic valve and an air electromagnetic valve is arranged in the ground starting box, the electrical system circuit is respectively connected with the turbojet engine, the air gas bottle and the gas bottle, and the air gas bottle and the gas bottle are controlled by the electrical system circuit to be respectively communicated with the turbojet engine, so that the starting assistance of the turbojet engine is realized; the electric system circuit is composed of an integrated PCB and a plurality of discrete components, and the anti-reverse diode group with larger volume, the relay group and the DC/DC module are connected through voltage conversion by the integration of the PCB. The utility model discloses use this ground to start the case and carry out the turbojet engine and start, convenient to carry, easy operation compares with traditional starting mode and has improved engine starting efficiency greatly, and is small, and the time of endurance is long.
Description
Technical Field
The utility model relates to an engine starting circuit has especially related to a portable ground starting box for turbojet engine.
Background
For a turbojet engine, in order to start the engine reliably and meet a certain starting acceleration, a ground air source vehicle or a windmill is generally used for starting the engine to achieve a proper rotating speed, and the operation is complicated, the starting equipment is inconvenient to move, and the turbojet engine has great limitations. In the practical application of miniaturized unmanned aerial vehicle, for starting traditional starting mode of engine outdoor operation easily receive the restriction, and the cost is higher. Therefore, there is a need to develop a new starting device to achieve the starting problem of the turbojet engine in an outdoor environment.
The main defects of the prior art are as follows: the traditional scheme has the defects of limited use environment, inconvenient operation and higher cost, but mainly has the following defects: in the starting process of the turbojet engine, the turbojet engine can be started by reaching a proper rotating speed with the help of external force, in the conventional starting mode, the engine is generally started in a slow-running state by using a blowing mode, and then the turbojet engine is started by igniting gasoline. The starting mode is single, the starting facility is huge, the starting failure and the starting for multiple times can also occur, so that the starting efficiency is greatly reduced, and the cost is increased due to the starting equipment when the turbojet engine is started in an outdoor environment.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the background art, the utility model provides a portable ground starting box for turbojet engine has solved the starting problem of turbojet engine in outdoor environment.
The utility model adopts the technical proposal that:
the system comprises an air gas cylinder, a gas cylinder and a turbojet engine, wherein the air gas cylinder and the gas cylinder are both connected to a ground starting box, an electrical system circuit with a gas electromagnetic valve and an air electromagnetic valve is arranged in the ground starting box, and the electrical system circuit is respectively connected with the turbojet engine, the air gas cylinder and the gas cylinder; the electric system circuit is composed of an integrated PCB and a plurality of discrete components, the anti-reverse diode group with larger volume, the relay group and the DC/DC module are connected through the integration of the PCB, and the control switch of the chassis panel can be used for more centralized control, so that the operation of the starting box is simpler and more convenient. Meanwhile, an electromagnetic valve is additionally arranged to control the on-off of the gas circuit. The output of the gas circuit can be controlled in real time, so that the starting speed of the turbojet engine is greatly improved.
The electric system circuit comprises a +24V power supply, a fuse F1, relays U1-U3, lamps L1-L3, an air electromagnetic valve U2, a gas electromagnetic valve U4, diodes D1-D8 and switches S1-S6; the +24V power supply is connected with one end of a fuse F1 through a switch S1; the other end of the fuse F1 is connected to a load input end and a control input end of a relay U1, a switch S2 is connected to the load end of the relay U1 in parallel, a rectifier diode D1 is connected to the control end of the relay U1 in parallel, a cold-turning indicator lamp L1, an air solenoid valve U2 and the rectifier diode D2 are connected between the load output end of the relay U1 and the ground in parallel, the air solenoid valve U2 is connected to an air cylinder, and the control output end of the relay U1 is connected to a pin 1 of a communication plug; the other end of the fuse F1 is connected to the 2 pin of the communication plug through the switch S3 and the starting indicator lamp L2, and the 3 pin of the communication plug is grounded; the other end of the fuse F1 is connected to a load input end and a control input end of the relay U3, the rectifier diode D4 is connected to the control end of the relay U3 in parallel, the gas indicator lamp L3, the gas electromagnetic valve U4 and the rectifier diode D3 are connected between the load output end of the relay U3 and the ground in parallel, the gas electromagnetic valve U4 is connected to a gas cylinder, and the control output end of the relay U3 is connected to the 4 pins of the communication plug; the other end of the fuse F1 is connected to a control input end of the relay U5, a control output end of the relay U5 is connected to a pin 5 of the communication plug, the rectifier diode D5 is connected to a control end of the relay U5 in parallel, the hot plug switch S4 is connected to a load end of the relay U5 in parallel, two input ends of the DC/DC module are respectively connected to the other end of the fuse F1 and the ground, one output end of the DC/DC module is connected to a load input end of the relay U5 through the fuse F2, the other output end of the DC/DC module is connected to a pin 1 of the power supply connector through the fuse F3, the switch S5 and the anti-reverse diode D6, the other end of the fuse F1 is connected to a pin 2 of the power supply connector through the switch S6 and the anti-reverse diode.
The relays U1-U3 form a relay group, and the diodes D1, D4 and D5 are connected in parallel to the control ends of the relays respectively, so that the reverse follow current effect is mainly achieved, and the safety of a circuit is protected.
The load ends of the relay U1 and the relay U3 are single-pole single-throw switches.
The load end of the relay U5 is a double-pole single-throw switch, two input ends of the double-pole single-throw switch are both connected to a fuse F2, one of two output ends of the double-pole single-throw switch is connected to a hot fire switch S4 and a 7 pin of a communication plug, and the other output end of the double-pole single-throw switch is connected to a 6 pin of the communication plug through an ignition indicator lamp L4.
The air cylinder and the air electromagnetic valve and the gas cylinder and the gas electromagnetic valve are connected through PU pipes.
The air gas cylinder and the gas cylinder are controlled by an electric system circuit to be respectively communicated with the turbojet engine, so that the starting assistance of the turbojet engine is realized.
The air gas cylinder is filled with air gas, and the gas cylinder is filled with propane gas.
The hot fire head switch S4 is connected to the hot fire head inside the turbojet engine, and the hot fire head is an ignition device inside the engine.
And the communication connector and the power connector are connected to an electronic control chip in the turbojet engine.
The utility model has the advantages that:
the utility model discloses use this ground to start the case and carry out the turbojet engine and start, convenient to carry, easy operation compares with traditional starting mode and has improved engine starting efficiency greatly. The starter case supplies power to the storage battery, and can realize self-sufficient continuous power supply for three hours under the condition that no power supply exists in an outdoor environment.
The starting box is used for starting the turbojet engine, the operation is simple and convenient, the operator can realize the normal starting of the engine only by operating the button, the starting success rate is high, the starting equipment is small in size, and the endurance time is long.
And the ground starting box is convenient to carry, is not limited by the environment, can be used without external power supply, is provided with a task equipment connector in advance, and can supply power for external equipment under the condition of inconvenient external environment power supply, thereby realizing multiple purposes.
Drawings
FIG. 1 is a system block diagram;
FIG. 2 is a gas path structure diagram;
fig. 3 is a connection diagram of an electrical system.
In the figure, S1 is a main power switch, F1, F2 and F3 are fuses, D1, D2, D3, D4 and D5 are rectifier diodes, D6, D7 and D8 are anti-reverse diodes, U1, U3 and U5 are electromagnetic relays, S2 is a cold-running switch, L1 is a cold-running indicator lamp, U2 is an air electromagnetic valve, S3 is a self-reset starting switch, L2 is a starting indicator lamp, L3 is a gas indicator lamp, U4 is a gas electromagnetic valve, S4 is a hot-fire switch, L4 is an ignition indicator lamp, S5 is an ECU switch, and S6 is a reserve switch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the concrete implementation includes an air cylinder, a gas cylinder, and a turbojet engine, both the air cylinder and the gas cylinder are connected to a ground starting box, an electrical system circuit with a gas solenoid valve and an air solenoid valve is arranged in the ground starting box, and the electrical system circuit is respectively connected with the turbojet engine, the air cylinder, and the gas cylinder. The air gas cylinder and the gas cylinder are controlled by an electric system circuit to be respectively communicated with the turbojet engine, so that the starting assistance of the turbojet engine is realized.
In the specific implementation, the device mainly comprises a gas cylinder, an air cylinder, a ground starting box, a power supply line, a communication line and a PU (polyurethane) pipe for connecting the starting box and an engine. The air gas cylinder is filled with air gas, and the gas cylinder is filled with propane gas. The air cylinder and the air electromagnetic valve and the gas cylinder and the gas electromagnetic valve are connected through PU pipes.
After connecting the gas cylinder, the wire between the starting box and the turbojet engine and the PU pipe, starting the main control power supply of the starting box, starting the air gas cylinder and the propane gas cylinder after the voltage and current display is normal, igniting the mixed gas in the engine through the hot flame when the engine reaches a slow running state, wherein the rotating speed of the turbojet engine can reach a driving state, and an operator can pull out the wire and the PU pipe which are connected with the engine.
The ground starting box works, the electric system circuit controls air to be blown into the engine drum from the air gas cylinder to accelerate the engine, after the speed of the engine is accelerated to a slow vehicle state, propane gas is blown into the engine from the gas cylinder through the electric system circuit, and the propane gas is ignited through the hot fire head, so that the turbojet engine reaches a driving state.
As shown in fig. 2, in the specific implementation, the gas path structure is mainly divided into a gas path and an air path, the gas path enters from a gas inlet of the control panel, and is connected to a gas pressure gauge through a three-way pipe and then a gas solenoid valve through another pipe; the air path is similar to that of gas, except that an air filter is added in front of the air inlet to filter moisture in the air.
The electric system circuit is composed of an integrated PCB and a plurality of discrete components, the anti-reverse diode group with larger volume, the relay group and the DC/DC module are connected through the integration of the PCB, and the control switch of the chassis panel can be used for more centralized control, so that the operation of the starting box is simpler and more convenient. Meanwhile, an electromagnetic valve is additionally arranged to control the on-off of the gas circuit. The output of the gas circuit can be controlled in real time, so that the starting speed of the turbojet engine is greatly improved.
As shown in fig. 3, the electrical system circuit includes a +24V power supply, a fuse F1, relays U1 to U3, lamps L1 to L3, an air solenoid valve U2, a gas solenoid valve U4, diodes D1 to D8, and switches S1 to S6; the +24V power supply is connected with one end of a fuse F1 through a switch S1; the other end of the fuse F1 is connected to a load input end and a control input end of a relay U1, a switch S2 is connected to the load end of the relay U1 in parallel, a rectifier diode D1 is connected to the control end of the relay U1 in parallel, a cold-turning indicator lamp L1, an air solenoid valve U2 and the rectifier diode D2 are connected between the load output end of the relay U1 and the ground in parallel, the air solenoid valve U2 is connected to an air cylinder, and the control output end of the relay U1 is connected to a pin 1 of a communication plug; the other end of the fuse F1 is connected to the 2 pin of the communication plug through the switch S3 and the starting indicator lamp L2, and the 3 pin of the communication plug is grounded; the other end of the fuse F1 is connected to a load input end and a control input end of the relay U3, the rectifier diode D4 is connected to the control end of the relay U3 in parallel, the gas indicator lamp L3, the gas electromagnetic valve U4 and the rectifier diode D3 are connected between the load output end of the relay U3 and the ground in parallel, the gas electromagnetic valve U4 is connected to a gas cylinder, and the control output end of the relay U3 is connected to the 4 pins of the communication plug;
the other end of the fuse F1 is connected to the control input end of the relay U5, the control output end of the relay U5 is connected to the 5 pin of the communication plug, the rectifier diode D5 is connected to the control end of the relay U5 in parallel, the hot flame switch S4 is connected to the load end of the relay U5 in parallel, the hot flame switch S4 is connected to the hot flame inside the turbojet engine, and the hot flame is the gas equipment inside the engine. The input two ends of the DC/DC module are respectively connected with the other end of a fuse F1 and the ground, one output end of the DC/DC module is connected to the load input end of a relay U5 through a fuse F2, the other output end of the DC/DC module is connected to a pin 1 of a power connector through a fuse F3, a switch S5 and an anti-reverse diode D6, the other end of the fuse F1 is connected to a pin 2 of the power connector through a switch S6 and an anti-reverse diode D7 in sequence, and a pin 3 of the power connector is grounded.
The relays U1-U3 form a relay group, and the diodes D1, D4 and D5 are connected in parallel to the control ends of the relays respectively, so that the reverse follow current effect is mainly achieved, and the safety of a circuit is protected.
The load terminals of the relay U1 and the relay U3 are single-pole single-throw switches.
The load end of the relay U5 is a double-pole single-throw switch, two input ends of the double-pole single-throw switch are both connected to a fuse F2, one of two output ends of the double-pole single-throw switch is connected to a hot fire switch S4 and a 7 pin of a communication plug, and the other output end of the double-pole single-throw switch is connected to a 6 pin of the communication plug through an ignition indicator lamp L4.
The communication connector and the power connector are connected to an electronic control chip inside the turbojet engine.
The utility model discloses a concrete operation process of ground starting box equipment is:
after the air cylinder, the propane cylinder, the starting box and the turbojet engine are connected according to the figure 1, the main power switch button S1 on the panel is pressed to start the engine.
The ECU switch S5 is pressed to open the air cylinder and the propane cylinder.
When the self-reset starting switch S3 is pressed, the turbojet engine controls the air electromagnetic valve, the gas electromagnetic valve and the hot flame switch S4 according to an electronic control chip (ECU) and carries out ignition of the hot flame, and the electric hot flame ignites gas, so that the engine reaches a driving state.
The cold switch S2 is a standby switch, and the cold switch S2 is pressed after the engine is stopped, so that the engine can be cooled quickly.
The hot fire switch S4 is a detection switch, and is mainly used to check whether the power supply of the hot fire is cut off. Pressing the hot flame switch S4 allows the user to see whether the hot flame is bright or not when the gas is not being supplied.
The reserve switch S6 is a circuit switch that reserves power. The reserved switch S6 is pressed to independently supply power to other electric equipment, and multiple purposes can be achieved in the external environment.
Above-mentioned electrical system circuit all integrates on integrated PCB board, from this the utility model discloses use integrated PCB board to realize the control to whole quick-witted case, ignite gas through on-off control electric heat flame.
Claims (7)
1. A portable ground starting box for a turbojet engine, characterized in that: the air gas cylinder and the gas cylinder are both connected to a ground starting box, an electrical system circuit with a gas electromagnetic valve and an air electromagnetic valve is arranged in the ground starting box, and the electrical system circuit is respectively connected with the turbojet engine, the air gas cylinder and the gas cylinder;
the electric system circuit comprises a +24V power supply, a fuse F1, relays U1-U3, lamps L1-L3, an air electromagnetic valve U2, a gas electromagnetic valve U4, diodes D1-D8 and switches S1-S6; the +24V power supply is connected with one end of a fuse F1 through a switch S1; the other end of the fuse F1 is connected to a load input end and a control input end of a relay U1, a switch S2 is connected to the load end of the relay U1 in parallel, a rectifier diode D1 is connected to the control end of the relay U1 in parallel, a cold-turning indicator lamp L1, an air solenoid valve U2 and the rectifier diode D2 are connected between the load output end of the relay U1 and the ground in parallel, the air solenoid valve U2 is connected to an air cylinder, and the control output end of the relay U1 is connected to a pin 1 of a communication plug; the other end of the fuse F1 is connected to the 2 pin of the communication plug through the switch S3 and the starting indicator lamp L2, and the 3 pin of the communication plug is grounded; the other end of the fuse F1 is connected to a load input end and a control input end of the relay U3, the rectifier diode D4 is connected to the control end of the relay U3 in parallel, the gas indicator lamp L3, the gas electromagnetic valve U4 and the rectifier diode D3 are connected between the load output end of the relay U3 and the ground in parallel, the gas electromagnetic valve U4 is connected to a gas cylinder, and the control output end of the relay U3 is connected to the 4 pins of the communication plug; the other end of the fuse F1 is connected to a control input end of the relay U5, a control output end of the relay U5 is connected to a pin 5 of the communication plug, the rectifier diode D5 is connected to a control end of the relay U5 in parallel, the hot plug switch S4 is connected to a load end of the relay U5 in parallel, two input ends of the DC/DC module are respectively connected to the other end of the fuse F1 and the ground, one output end of the DC/DC module is connected to a load input end of the relay U5 through the fuse F2, the other output end of the DC/DC module is connected to a pin 1 of the power supply connector through the fuse F3, the switch S5 and the anti-reverse diode D6, the other end of the fuse F1 is connected to a pin 2 of the power supply connector through the switch S6 and the anti-reverse diode.
2. A portable ground starting box for a turbojet engine as claimed in claim 1 wherein: the load ends of the relay U1 and the relay U3 are single-pole single-throw switches.
3. A portable ground starting box for a turbojet engine as claimed in claim 1 wherein: the load end of the relay U5 is a double-pole single-throw switch, one of two output ends of the double-pole single-throw switch is connected to the hot fire switch S4 and the 7 pins of the communication plug, and the other output end of the double-pole single-throw switch is connected to the 6 pins of the communication plug through an ignition indicator lamp L4.
4. A portable ground starting box for a turbojet engine as claimed in claim 1 wherein: the air cylinder and the air electromagnetic valve and the gas cylinder and the gas electromagnetic valve are connected through PU pipes.
5. A portable ground starting box for a turbojet engine as claimed in claim 1 wherein: the air gas cylinder is filled with air gas, and the gas cylinder is filled with propane gas.
6. A portable ground starting box for a turbojet engine as claimed in claim 1 wherein: the thermal fire head switch S4 is connected to the thermal fire head inside the turbojet engine.
7. A portable ground starting box for a turbojet engine as claimed in claim 1 wherein: the communication plug and the power connector are connected to an electronic control chip in the turbojet engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224657.4U CN209925095U (en) | 2019-02-22 | 2019-02-22 | Portable ground starting box for turbojet engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224657.4U CN209925095U (en) | 2019-02-22 | 2019-02-22 | Portable ground starting box for turbojet engine |
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| Publication Number | Publication Date |
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| CN209925095U true CN209925095U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920224657.4U Active CN209925095U (en) | 2019-02-22 | 2019-02-22 | Portable ground starting box for turbojet engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502832A (en) * | 2020-04-24 | 2020-08-07 | 中科航星科技有限公司 | Ground starting device of turbojet engine |
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2019
- 2019-02-22 CN CN201920224657.4U patent/CN209925095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502832A (en) * | 2020-04-24 | 2020-08-07 | 中科航星科技有限公司 | Ground starting device of turbojet engine |
| CN111502832B (en) * | 2020-04-24 | 2021-08-10 | 中科航星科技有限公司 | Ground starting device of turbojet engine |
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