CN216870765U - Fuel pump power supply comprehensive test bed - Google Patents
Fuel pump power supply comprehensive test bed Download PDFInfo
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- CN216870765U CN216870765U CN202123227592.5U CN202123227592U CN216870765U CN 216870765 U CN216870765 U CN 216870765U CN 202123227592 U CN202123227592 U CN 202123227592U CN 216870765 U CN216870765 U CN 216870765U
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- fuel pump
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- rim
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Abstract
A fuel pump power supply comprehensive test bed relates to the field of power supplies. The stabilized voltage power supply in the test bed comprises a rectifier and a transformer, a DC74V power supply and a DC12V power supply; the output end of the AC220V power supply is connected with the input end of the rectifier and transformer; the output end of the rectifier and the transformer is simultaneously connected with the input end of a DC74V power supply and the input end of a DC12V power supply; the output end of the DC74V power supply is connected with the input end of the RPS power supply; the output end of the RPS power supply is simultaneously connected with the input end of the RPS load box and the input end of the RPS control panel; the output end of the DC74V power supply is also connected with the input end of the fuel pump power supply; the output end of the fuel pump power supply is simultaneously connected with the input end of a fuel pump load box and the input ends of a fuel pump state monitoring panel and an indicator light circuit; the output end of the DC12V power supply is connected with the input end of the RIM detection switching relay group; and the output end of the RIM detection switching relay group is simultaneously connected with the input end of the RIM module and the input ends of the RIM control panel and the indicating lamp circuit. The current requirement for detecting the comprehensive performance index of the fuel pump power supply is met.
Description
Technical Field
The present invention relates to the field of power supplies.
Background
The fuel pump power supply plays an important role in the normal operation of the railway locomotive, and the existing fuel pump power supply is an integrated power supply integrated in a fuel pump. Whether the power supply of the fuel pump works normally or not is related to whether the locomotive can run normally or not, so that detection of various indexes of the fuel pump is necessary, and particularly comprehensive detection of a harmonic locomotive RIM (interface relay), an RPS power supply and the power supply of the fuel pump is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fuel pump power supply comprehensive test bed for meeting the current requirements of detecting the comprehensive performance indexes of the fuel pump power supply.
The technical scheme adopted by the utility model is as follows:
the fuel pump power supply comprehensive test bed is used for testing the RPS power supply 5, the fuel pump power supply 9 and the RIM module 15; the input power supply of the test bed is an AC220V power supply; the test bed comprises a voltage-stabilized power supply 1, an RPS load box 7, an RPS control panel 11, a fuel pump load box 10, a fuel pump state monitoring panel and indicator light circuit 12, an RIM detection switching relay group 13, an RIM control panel and indicator light circuit 14;
the regulated power supply 1 comprises a rectifier and transformer 6, a DC74V power supply 2 and a DC12V power supply 3; the output end of the AC220V power supply is connected with the input end of the rectifier and transformer 6; the output end of the rectifier and transformer 6 is simultaneously connected with the input end of the DC74V power supply 2 and the input end of the DC12V power supply 3;
the output end of the DC74V power supply 2 is connected with the input end of the RPS power supply 5; the output end of the RPS power supply 5 is simultaneously connected with the input end of the RPS load box 7 and the input end of the RPS control panel 11;
the output terminal of the DC74V power supply 2 is also connected to the input terminal of the fuel pump power supply 9; the output end of the fuel pump power supply 9 is simultaneously connected with the input end of a fuel pump load box 10 and the input end of a fuel pump state monitoring panel and an indicator light circuit 12;
the output end of the DC12V power supply 3 is connected with the input end of the RIM detection switching relay group 13; the output end of the RIM detection switching relay group 13 is simultaneously connected with the input end of the RIM module 15 and the input end of the RIM control panel and indicator light circuit 14.
Preferably, the test bed further comprises an RPS power switch 4 and a fuel pump power switch 8, wherein the RPS power switch 4 is connected between the DC74V power supply and the RPS power supply 5; the fuel pump power switch 8 is connected between the DC74V power supply and the fuel pump power supply 9.
Preferably, the RIM detection switching relay set 13 is used for diagnosing the function of the RIM module 15; the RIM control panel and indicator light circuit 14 is used for detecting and displaying the state of the RIM detection switching relay set 13 diagnosis RIM module 15; the RPS control panel 11 is used for detecting and displaying the voltage and the current of the RPS power supply 5; the fuel pump state monitoring panel and indicator light circuit 12 detects and displays the state of the fuel pump power supply 9.
Preferably, the RPS power supply 5 and the RPS load box 7 are connected by air plug.
Preferably, the RPS load box 7 is a load resistor and a heat radiation fan.
Has the advantages that: the utility model is a complete product, the structure is simple, and the test bed is a comprehensive detection device for detecting the RIM interface relay, the RPS power supply and the fuel pump power supply of the locomotive. The utility model is mainly used for realizing the under-vehicle detection function of the RIM interface relay module, the RPS power supply and the fuel pump power supply, and realizes the function of quickly diagnosing the RIM module by detecting the switching relay group (RIM detection switching relay group) through the interface relay module; through an RPS (redundant power supply system) load box, a full-load operation test of the RPS power supply is realized, and the stable performance of the RPS power supply is ensured; the full-load operation test of the fuel pump power supply is realized through the fuel pump load box, and the operation condition (including the detection of voltage and current) of the fuel pump is checked through the fuel pump state monitoring panel. The test bed meets the current requirements for detecting the comprehensive performance indexes of the fuel pump power supply.
Drawings
FIG. 1 is a schematic structural diagram of a fuel pump power supply integrated test stand;
FIG. 2 is a circuit diagram showing a connection relationship of a regulated power supply circuit;
FIG. 3 is a circuit diagram of a fuel pump load box and fuel pump status monitor panel and indicator lights;
FIG. 4 is a circuit diagram of a RIM detection switching relay set;
FIG. 5 is a diagram of the circuitry of the RIM detection switching relay set and the RIM control panel indicator lights;
FIG. 6 is a diagram of the RPS load box and external circuit connections;
FIG. 7 is a circuit diagram of the indicator light of the RIM control panel;
fig. 8 is a view showing an internal structure of the RPS load box.
Detailed Description
First embodiment, the present embodiment is specifically described with reference to fig. 1 to 8, and the RPS fuel pump power supply comprehensive test bed of the present embodiment is used for testing an RPS power supply 5, a fuel pump power supply 9 and a RIM module 15; the input power supply of the test bed is an AC220V power supply; the test bed comprises a voltage-stabilized power supply 1, an RPS load box 7, an RPS control panel 11, a fuel pump load box 10, a fuel pump state monitoring panel and indicator light circuit 12, an RIM detection switching relay group 13, an RIM control panel and indicator light circuit 14;
the regulated power supply 1 comprises a rectifier and transformer 6, a DC74V power supply 2 and a DC12V power supply 3; the output end of the AC220V power supply is connected with the input end of the rectifier and transformer 6; the output end of the rectifier and transformer 6 is simultaneously connected with the input end of the DC74V power supply 2 and the input end of the DC12V power supply 3;
the output end of the DC74V power supply 2 is connected with the input end of the RPS power supply 5; the output end of the RPS power supply 5 is simultaneously connected with the input end of the RPS load box 7 and the input end of the RPS control panel 11;
the output terminal of the DC74V power supply 2 is also connected to the input terminal of the fuel pump power supply 9; the output end of the fuel pump power supply 9 is simultaneously connected with the input end of a fuel pump load box 10 and the input end of a fuel pump state monitoring panel and an indicator light circuit 12;
the output end of the DC12V power supply 3 is connected with the input end of the RIM detection switching relay group 13; the output end of the RIM detection switching relay group 13 is simultaneously connected with the input end of the RIM module 15 and the input end of the RIM control panel and indicator light circuit 14.
In this embodiment, a 220V ac power supply provides an input power to a regulated power supply, and is rectified and transformed by a transformer to obtain a DC74V power supply and a DC12V power supply. The DC74V power supply provides power to the RPS power supply 5 and the fuel pump power supply 9. After the RPS load box 7 is communicated with the RPS power supply 5, the RPS control panel 11 detects and displays the voltage and the current of the RPS power supply 5 in real time.
After the fuel pump load box 10 is communicated with the fuel pump power supply 9, the fuel pump state monitoring panel and the indicator light circuit 12 detect and display the state of the fuel pump power supply 9.
The DC12V power supply supplies power for the detection RIM module; after the RIM detection switching relay group 13 is communicated with the RIM module 15, the state of the RIM module 15 is detected and displayed on the RIM control panel and the indicator light circuit 14.
In the test bed, after the RPS load box, the fuel pump load box and the RIM detection switching relay group circuit are switched on, the state is displayed in real time through the RPS control panel, the fuel pump state monitoring panel and the indicating lamp circuit, and the RIM control panel and the indicating lamp circuit 14. The test bed meets the current requirements for detecting the comprehensive performance indexes of the fuel pump power supply.
In the second embodiment, the fuel pump power comprehensive test bed in the first embodiment is further described, in the present embodiment, the test bed further includes an RPS power switch 4 and a fuel pump power switch 8, the RPS power switch 4 is connected between a DC74V power supply and an RPS power supply 5; the fuel pump power switch 8 is connected between the DC74V power supply and the fuel pump power supply 9.
The RPS power supply 5 and the fuel pump power supply 9 are switched in and out through the RPS power switch 4 and the fuel pump power switch 8.
In a third embodiment, the present embodiment is a further description of the fuel pump power supply comprehensive test bed in the second embodiment, and in the present embodiment, the RIM detection switching relay group 13 is used for diagnosing the function of the RIM module 15; the RIM control panel and indicator light circuit 14 is used for detecting and displaying the state of the RIM detection switching relay set 13 diagnosis RIM module 15;
the RPS control panel 11 is used for detecting and displaying the voltage and the current of the RPS power supply 5;
the fuel pump state monitoring panel and indicator light circuit 12 detects and displays the state of the fuel pump power supply 9.
In a fourth embodiment, the fuel pump power supply comprehensive test bed in the third embodiment is further described, and in the fourth embodiment, the RPS power supply 5 and the RPS load box 7 are connected by air plug.
Fifth, the present embodiment is a further description of the fuel pump power supply comprehensive test bed described in the third embodiment, and in the present embodiment, the RPS load box 7 is a load resistor and a heat radiation fan.
Characteristics of performance
1) The test stand can provide the same operating environment for RIM, RPS and fuel pump power as on the HXN5 locomotive.
2) The parameters of each component and the integral input and output of the equipment in the operation process of the equipment can be visually seen.
3) The device can be switched freely when the device is fully loaded or unloaded.
4) The operation is simple, convenient and visual. Great convenience is provided for maintaining the equipment.
5) The RIM, RPS and fuel pump power supplies can be tested simultaneously.
Hardware environment
1) Input voltage: AC 220V.
2) Output voltage: DC74V
3) Input frequency: 50HZ
4) Output frequency: 0 to 50HZ
5) Rated power: 2.5KW
6) Altitude: less than or equal to 1000M
7) Ambient temperature: minus 20 ℃ to plus 40 DEG C
8) Relative humidity: RH less than or equal to 80%
9) Connecting a wire: each device is provided with an air patch cord.
10) Size: the maximum length is 100mm, the maximum width is 80mm, and the maximum height is 124 mm.
Description of RIM operation
1) The equipment was connected to the test stand using an air wire.
2) The power switch is closed and the RIM mode is tested if the operating voltage meter is shown as 74V.
3) The indicator light is normally on, indicating that the internal circuit of the RIM is not broken.
4) If the phenomena of darkness, flicker, no-light and the like indicate that the circuit corresponding to the indicator lamp has a fault, the circuit is broken and needs to be disassembled for maintenance.
5) And testing whether the resistance value of the internal resistor is within a rated range or not by the toggle switch, and if the resistance value exceeds the rated range, replacing the corresponding resistor.
Description of RPS detection operation
1) The equipment is connected to the test stand using a lift plug.
2) And closing the power switch and the RPS power supply switch, wherein the RPS mode is tested.
3) And switching the RPS load switch into the RPS load, wherein the output voltage value of the RPS output voltmeter is 15V, and the output current value of the RPS output ammeter is 20A.
4) If the output voltage and the current value have no output or are not in right output value, the RPS needs to be maintained.
Description of Fuel Pump Power operation
1) The equipment was connected to the test stand using an air wire.
2) And closing the power switch, and closing the fuel pump power switch, wherein the fuel pump power mode is tested.
3) The fuel pump power switch is closed, at the moment, the indicator lamp of the 'fuel pump load' is lighted, at the moment, the fuel pump power supply starts the group A first, the indicator lamp of the group A of the panel is lighted, the output indicator lamp of U, V, W is lighted, then the fuel pump power supply is automatically switched to the group B, the indicator lamp of the group A is extinguished, the indicator lamp of the group B is lighted, the output indicator lamp of U, V, W is firstly extinguished and then lighted, then the output of the group B is continuously carried out, the output indicator lamp of U, V, W is kept normally on, and the working current meter displays that the working current is 26A current.
4) If the A group or B group of indicator lamps flicker regularly or the output indicator lamps do not light, dim and flicker, the maintenance is carried out.
In the above description, the functions related to the switch, the indicator light, the voltmeter and the ammeter light are all realized by the RPS control panel 11, the fuel pump status monitoring panel and indicator light circuit 12, and the RIM control panel and indicator light circuit 14, and the functions are not described in detail because they are simple.
While the utility model has been described with reference to several embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from its scope. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The fuel pump power supply comprehensive test bed is used for testing the RPS power supply (5), the fuel pump power supply (9) and the RIM module (15); the input power supply of the test bed is an AC220V power supply; the test bed is characterized by comprising a voltage-stabilized power supply (1), an RPS load box (7), an RPS control panel (11), a fuel pump load box (10), a fuel pump state monitoring panel and an indicator light circuit (12), an RIM detection switching relay group (13), an RIM control panel and an indicator light circuit (14);
the regulated power supply (1) comprises a rectifier and transformer (6), a DC74V power supply (2) and a DC12V power supply (3); the output end of the AC220V power supply is connected with the input end of the rectifier and transformer (6); the output end of the rectifier and transformer (6) is simultaneously connected with the input end of a DC74V power supply (2) and the input end of a DC12V power supply (3);
the output end of the DC74V power supply (2) is connected with the input end of the RPS power supply (5); the output end of the RPS power supply (5) is simultaneously connected with the input end of the RPS load box (7) and the input end of the RPS control panel (11);
the output end of the DC74V power supply (2) is also connected with the input end of the fuel pump power supply (9); the output end of a fuel pump power supply (9) is simultaneously connected with the input end of a fuel pump load box (10) and the input end of a fuel pump state monitoring panel and an indicator light circuit (12);
the output end of the DC12V power supply (3) is connected with the input end of the RIM detection switching relay group (13); and the output end of the RIM detection switching relay group (13) is simultaneously connected with the input end of the RIM module (15) and the input ends of the RIM control panel and the indicating lamp circuit (14).
2. The fuel pump power integration test stand of claim 1, further comprising an RPS power switch (4) and a fuel pump power switch (8), the RPS power switch (4) being connected between a DC74V power supply and an RPS power supply (5); a fuel pump power switch (8) is connected between the DC74V power supply and a fuel pump power supply (9).
3. A fuel pump power integration test stand according to claim 2, wherein the RIM test switch relay set (13) is used to diagnose the function of a RIM module (15); the RIM control panel and the indicator light circuit (14) are used for detecting and displaying the state of a RIM detection switching relay set (13) diagnosis RIM module (15); the RPS control panel (11) is used for detecting and displaying the voltage and the current of the RPS power supply (5); the fuel pump state monitoring panel and the indicator light circuit (12) detect and display the state of the fuel pump power supply (9).
4. A fuel pump power integration test stand according to claim 3, wherein the RPS power supply (5) and the RPS load box (7) are connected by air plug.
5. A fuel pump power integration test stand according to claim 3, wherein the RPS load box (7) is a load resistor and a radiator fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123227592.5U CN216870765U (en) | 2021-12-21 | 2021-12-21 | Fuel pump power supply comprehensive test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123227592.5U CN216870765U (en) | 2021-12-21 | 2021-12-21 | Fuel pump power supply comprehensive test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216870765U true CN216870765U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123227592.5U Active CN216870765U (en) | 2021-12-21 | 2021-12-21 | Fuel pump power supply comprehensive test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216870765U (en) |
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2021
- 2021-12-21 CN CN202123227592.5U patent/CN216870765U/en active Active
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