CN105486344A - Pressure and flow testing device for oiling machine used for unmanned plane - Google Patents

Abstract

The invention provides a fuel tanker pressure and flow testing device for unmanned aerial vehicles, which is characterized in that it includes a main oil circuit (1), and the oil inlet of the main oil circuit (1) is connected to the fuel tank (3) through a filter (2) , the oil outlet of the main oil circuit (1) is equipped with a first electromagnetic reversing valve (4), and the main oil circuit (1) is respectively connected with the first oil circuit (5) or the second oil circuit through the first electromagnetic reversing valve (4). The second oil circuit (6) is connected, and the first oil circuit (5) or the second oil circuit (6) communicates with the flow regulating valve (8) through the second electromagnetic reversing valve (7) and finally flows back to the oil tank (3); A large-range pressure gauge (9), a large-range pressure sensor (10), and a small-range flow sensor (11) are installed on the first oil circuit (5); a small-range pressure gauge (12) is installed on the second oil circuit (6) ), a small range pressure sensor (13), a large range flow sensor (14).

Description

A tanker pressure and flow test equipment for drones

technical field

The invention relates to a pressure flow test device for a refueling machine for an unmanned aerial vehicle, which is used for production and delivery inspection of the output characteristics of a refueling machine for an unmanned aerial vehicle.

Background technique

The invention is mainly used for the production and delivery inspection of the output characteristics of the refueling machine used for the unmanned aerial vehicle. There is no special pressure and flow testing equipment for the UAV tanker in the factory inspection, and a relatively primitive method is used to measure the output pressure and flow of the tanker, so its efficiency is low and the accuracy is poor. Aiming at the characteristics of the refueling machine for unmanned aerial vehicles, the present invention designs a pressure and flow testing device, which can simultaneously detect the refueling machine with the characteristics of small flow and large output pressure and the characteristics of large flow and small output pressure, and can use manual or remote automatic mode for detection.

Contents of the invention

The problem to be solved by the present invention is to propose a tanker pressure and flow testing device for unmanned aerial vehicles, which can satisfy the use of tankers with different output characteristics, and can be operated manually or remotely and automatically.

The technical solution of the present invention is: a kind of pressure and flow test equipment for refueling machines for unmanned aerial vehicles, which is characterized in that it includes the main oil circuit (1), and the oil inlet of the main oil circuit (1) passes through the filter (2) and the fuel tank ( 3) Connect.

The oil outlet of the main oil circuit (1) is equipped with a first electromagnetic reversing valve (4), and the main oil circuit (1) is respectively connected with the first oil circuit (5) or the second oil circuit (5) through the first electromagnetic reversing valve (4). The oil circuit (6) is connected, and the first oil circuit (5) or the second oil circuit (6) communicates with the flow regulating valve (8) through the second electromagnetic reversing valve (7) and finally flows back to the oil tank (3);

A large-range pressure gauge (9), a large-range pressure sensor (10), and a small-range flow sensor (11) are installed on the first oil circuit (5), which are used to test a fuel dispenser with a large output pressure and a small output flow;

A small-range pressure gauge (12), a small-range pressure sensor (13), and a large-range flow sensor (14) are installed on the second oil circuit (6), because the fuel dispenser with a small output pressure and a large output flow is tested;

Further, the first electromagnetic reversing valve (4) and the second electromagnetic reversing valve (7) are connected through the first oil circuit opening button (15), the first oil circuit closing button (16), the second oil circuit opening button The button (17) and the second oil circuit off button (18) realize the switching control of the first oil circuit (5) and the second oil circuit (6), and are used for the operator to operate in front of the box (21);

Further, the first electromagnetic reversing valve (4) and the second electromagnetic reversing valve (7) accept the instructions of the industrial computer (20) through the connecting cable (19) to realize the first oil circuit (5) and the second The switching control of the second oil circuit (6) is used to realize remote operation;

Further, the flow regulating valve (8) adjusts the flow of the oil circuit manually, or accepts the instruction of the industrial computer (20) to adjust the flow of the oil circuit through the connecting cable (19), so as to realize the operation of the operator in the box (21 ) or remote operation to control the flow of the oil circuit.

Further, it also includes a box body (21), the main oil circuit (1) is arranged in the box body (21), and a large-range pressure gauge (9), a small-range pressure gauge (12), The first oil circuit opening button (15), the first oil circuit closing button (16), the second oil circuit opening button (17), the second oil circuit closing button (18), corresponding to the small range flow sensor (11) The small-range flowmeter display unit (22), the large-range flowmeter display unit (23) corresponding to the large-range flow sensor (14), and each pressure gauge and flowmeter display unit are used for the operator to display the flowmeter in front of the box (21). Read pressure and flow values during operation.

Further, the box body (21) also includes a first oil circuit work indicator light (24) for indicating that the first oil circuit (5) is working, and for indicating that the second oil circuit (6) is working and the second oil circuit is working. lights (25),

It is used to prompt the operator which oil circuit is currently working.

The beneficial effect of the present invention is to meet the test requirements of the refueling machine for unmanned aerial vehicles with different characteristics, and improve the delivery inspection efficiency of the refueling machine for unmanned aerial vehicles.

Description of drawings

Fig. 1 is the oil circuit schematic diagram of a kind of embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a test bench of a specific embodiment of the present invention;

Among them, 1-main oil circuit, 2-filter, 3-oil tank, 4-first electromagnetic directional valve, 5-first oil circuit, 6-second oil circuit, 7-second electromagnetic directional valve, 8 -flow control valve, 9-large range pressure gauge, 10-large range pressure sensor, 11-small range flow sensor, 12-small range pressure gauge, 13-small range pressure sensor, 14-large range flow sensor, 15-th One oil circuit open button, 16-first oil circuit off button, 17-second oil circuit on button, 18-second oil circuit off button, 19-connecting cable, 20-industrial computer, 21-box, 22- Small-range flowmeter display unit, 23-large-range flowmeter display unit, 24-first oil circuit working indicator light, 25-second oil circuit working indicator light.

detailed description

The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

Referring to FIG. 1 and FIG. 2 , the present invention includes a main oil circuit 1 , and the oil inlet of the main oil circuit 1 is connected with an oil tank 3 through a filter 2 . The oil outlet of the main oil circuit 1 is equipped with a first electromagnetic reversing valve 4, and the main oil circuit 1 communicates with the first oil circuit 5 or the second oil circuit 6 respectively through the first electromagnetic reversing valve 4, and the first oil circuit 5 Or the second oil circuit 6 communicates with the flow regulating valve 8 through the second electromagnetic reversing valve 7 and finally flows back to the oil tank 3 .

A large-range pressure gauge 9 , a large-range pressure sensor 10 , and a small-range flow sensor 11 are installed on the first oil passage 5 .

A small-range pressure gauge 12 , a small-range pressure sensor 13 , and a large-range flow sensor 14 are installed on the second oil passage 6 .

The first electromagnetic reversing valve 4 and the second electromagnetic reversing valve 7 realize the first Switching control of the oil circuit 5 and the second oil circuit 6.

The first electromagnetic reversing valve 4 and the second electromagnetic reversing valve 7 receive instructions from the industrial computer 20 through the connecting cable 19 to realize switching control of the first oil circuit 5 and the second oil circuit 6 .

The flow regulating valve 8 adjusts the flow of the oil circuit manually, or accepts the instruction of the industrial computer 20 through the connection cable 19 to adjust the flow of the oil circuit.

The present invention also includes a box body 21, the main oil circuit 1 is arranged in the box body 21, and a large-range pressure gauge 9, a small-range pressure gauge 12, a first oil circuit opening button 15, a first oil circuit closing button are arranged on the box body 21. Button 16, the second oil circuit opening button 17, the second oil circuit closing button 18, the small-range flowmeter display unit 22 corresponding to the small-range flow sensor 11, the large-range flowmeter display unit 23 corresponding to the large-range flow sensor 14 .

The box body 21 also includes a first oil circuit working indicator light 24 for indicating that the first oil circuit 5 is working, and a second oil circuit working indicator light 25 for indicating that the second oil circuit 6 is working.

When the first oil circuit opening button 15 is pressed, the first electromagnetic reversing valve 4 and the second electromagnetic reversing valve 7 act, and the first oil circuit 5 is connected to the fuel dispenser. When the second oil circuit open button 17 is pressed, the first electromagnetic reversing valve 4 and the second electromagnetic reversing valve 7 act to connect the second oil circuit 6 with the fuel dispenser; when pressing the first oil circuit off button 16 , the first electromagnetic reversing valve 4 and the second electromagnetic reversing valve 7 act to disconnect the first oil circuit 5 from the fuel dispenser; when the second oil circuit off button 18 is pressed, the first electromagnetic reversing valve 4 and the second electromagnetic reversing valve The second electromagnetic reversing valve 7 acts to disconnect the second oil circuit 6 from the fuel dispenser.

Claims (6)

1. a unmanned plane fuel charger pressure flow testing apparatus, is characterized in that, comprises working connection (1), and working connection (1) oil-in is connected with fuel tank (3) by filtrator (2),

The oil-out of working connection (1) is provided with the first solenoid directional control valve (4), working connection (1) is communicated with the first oil circuit (5) or the second oil circuit (6) respectively by the first solenoid directional control valve (4), and the first oil circuit (5) or the second oil circuit (6) are communicated with flow control valve (8) are finally flowed back to fuel tank (3) by the second solenoid directional control valve (7) again;

First oil circuit (5) is provided with wide range tensimeter (9), wide range pressure transducer (10), small-range flow sensor (11);

Second oil circuit (6) is provided with small-range tensimeter (12), small-range pressure transducer (13), wide range flow sensor (14).

2. the testing apparatus according to claims 1, it is characterized in that, described first solenoid directional control valve (4) and the switching that the second solenoid directional control valve (7) drives button (15) by the first oil circuit, the first oil circuit closes button (16), the second oil circuit drives button (17), the second oil circuit pass button (18) realizes the first oil circuit (5) and the second oil circuit (6) control.

3. the testing apparatus according to claims 1, it is characterized in that, described the first solenoid directional control valve (4) and the second solenoid directional control valve (7) accept the instruction of industrial computer (20) by stube cable (19), and the switching realizing the first oil circuit (5) and the second oil circuit (6) controls.

4. the testing apparatus according to claims 1, it is characterized in that, described flow control valve (8) manually regulates the flow of oil circuit, or passes through the flow that stube cable (19) accepts the instruction adjustment oil circuit of industrial computer (20).

5. the testing apparatus according to claims 1, it is characterized in that, also comprise casing (21), working connection (1) is arranged in casing (21), casing (21) is furnished with wide range tensimeter (9), small-range tensimeter (12), first oil circuit drives button (15), first oil circuit closes button (16), second oil circuit drives button (17), second oil circuit closes button (18), the small-range flowmeter display unit (22) corresponding with small-range flow sensor (11), the Mass Flow Meter display unit (23) corresponding with wide range flow sensor (14).

6. the testing apparatus according to claims 5, it is characterized in that, casing (21) also comprises the first oil circuit relay indicating light (24) being used to indicate the first oil circuit (5) and working, and is used to indicate the second oil circuit (6) and works the second oil circuit relay indicating light (25).