CN216771862U - Novel air conditioner test bed - Google Patents
Novel air conditioner test bed Download PDFInfo
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- CN216771862U CN216771862U CN202123268393.9U CN202123268393U CN216771862U CN 216771862 U CN216771862 U CN 216771862U CN 202123268393 U CN202123268393 U CN 202123268393U CN 216771862 U CN216771862 U CN 216771862U
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Abstract
A novel air conditioner test bed relates to the field of locomotive detection. The test bed is used for monitoring the working environment of the air conditioning unit, wherein the working environment of the air conditioning unit comprises a fan, a condensing fan, a compressor and a power supply load; the input power supply of the test bed is AC 220V; the AC220V, the 74V power supply, the air conditioner power supply connector switch and the ammeter are sequentially connected in series; the voltmeter is connected in parallel at two ends of the 74V power supply; the air conditioner power supply connector switch, the power supply connector and the power load connector are sequentially connected in series; the heating pipe output end of the power supply load connector is connected with the input end of a heating pipe indicator lamp; and the power load output end of the power load connector is respectively connected with the input ends of the national auspicious unit power load aerial plug binding post, the Mrek unit power load aerial plug binding post and the GE unit power load aerial plug binding post. The current test requirements for various outputs of the air conditioner power supply are met.
Description
Technical Field
The utility model relates to the field of locomotive detection.
Background
Along with the continuous improvement of the requirement of people on environmental comfort, air conditioning equipment is gradually installed on a railway diesel locomotive to improve the working environment of drivers and passengers, and an air conditioning power supply is a power supply device of the air conditioning equipment. The air conditioner is one of the necessary supporting facilities of diesel locomotive operation in-process, has important effect in aspects such as regulation and control environment of taking, guarantee take regional temperature stability, consequently, whether normal, the staff of the requirement of checking of each item performance index of air conditioner, this just needs to be equipped with a equipment, whether normal can monitor each item output of air conditioner power.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel air conditioner test bed in order to meet the current test requirements on various outputs of an air conditioner power supply.
The technical scheme adopted by the utility model is as follows:
a novel air conditioner test bed is used for monitoring the working environment of an air conditioning unit, wherein the working environment of the air conditioning unit comprises a fan 11, a condensing fan 13, a compressor 15 and a power supply load; the input power supply of the test bed is AC 220V;
the test bed comprises a 74V power supply 2, an air conditioner power supply connector switch 3, an ammeter 4, a voltmeter 5, a power supply connector 6, a power load connector 8, a heating pipe indicator lamp 9, a fan indicator lamp 10, a condensation fan indicator lamp 12, a compressor indicator lamp 14, a national auspicious unit power load aerial plug binding post 16, an Mrek unit power load aerial plug binding post 17 and a GE unit power load aerial plug binding post 18;
the AC220V, the 74V power supply 2, the air conditioner power supply connector switch 3 and the ammeter 4 are sequentially connected in series; the voltmeter 5 is connected in parallel across the 74V power supply 2;
the air conditioner power connector switch 3, the power supply connector 6 and the power load connector 8 are sequentially connected in series;
the heating pipe output end of the power load connector 8 is connected with the input end of a heating pipe indicator lamp 9;
the power load output end of the power load connector 8 is respectively connected with the input ends of a national auspicious unit power load aerial plug binding post 16, an Mrek unit power load aerial plug binding post 17 and a GE unit power load aerial plug binding post 18.
Preferably, the test bed further comprises an air switch I1 and an air switch II 7; air switch number 1 is connected in series between AC220V and 74V power supply 2 and air switch number 7 is connected in series between power supply connector 6 and power load connector 8.
Has the advantages that: the utility model is a complete product, and has the characteristics of flexible installation, convenient maintenance, good universality, simple structure and the like. The device has strong universality, can flexibly test according to the actual situation on site, and meets the requirement on site. The air conditioner power supply test bed is suitable for an HXN5 locomotive air conditioner power supply (wherein HXN5 is a locomotive model), and mainly provides +/-DC 74V direct current for a power supply in a locomotive air conditioning unit, so that whether the control output function of the air conditioner power supply is normal or not is tested by simulating the working environment of the locomotive air conditioning unit. The test bed has stable and reliable performance, reasonable structure and convenient operation.
Drawings
FIG. 1 is a schematic structural diagram of a novel air conditioner test bed;
FIG. 2 is a schematic diagram of the connection relationship between the AC220V, the 74V power supply, the voltmeter and the ammeter;
FIG. 3 is a schematic diagram of the connection of the power load connector to other components;
FIG. 4 is a schematic view of the connection relationship between the power load aerial plug terminal of the mascot and the power load connector;
FIG. 5 is a schematic diagram of the connection relationship between the power load aerial terminal of the Mrek unit and the power load connector;
FIG. 6 is a schematic diagram of the connection relationship between the GE unit power load aerial plug terminal and the power load connector.
Detailed Description
In a first specific embodiment, the first embodiment is specifically described with reference to fig. 1 to 6, and the novel air conditioning test bed in the first embodiment is used for monitoring the working environment of an air conditioning unit, wherein the working environment of the air conditioning unit comprises a fan 11, a condensing fan 13, a compressor 15 and a power supply load; the input power supply of the test bed is AC 220V;
the test bed comprises a 74V power supply 2, an air conditioner power supply connector switch 3, an ammeter 4, a voltmeter 5, a power supply connector 6, a power load connector 8, a heating pipe indicator lamp 9, a fan indicator lamp 10, a condensation fan indicator lamp 12, a compressor indicator lamp 14, a national auspicious unit power load aerial plug binding post 16, an Mrek unit power load aerial plug binding post 17 and a GE unit power load aerial plug binding post 18;
the AC220V, the 74V power supply 2, the air conditioner power supply connector switch 3 and the ammeter 4 are sequentially connected in series; the voltmeter 5 is connected in parallel across the 74V power supply 2;
the air conditioner power connector switch 3, the power supply connector 6 and the power load connector 8 are sequentially connected in series;
the heating pipe output end of the power load connector 8 is connected with the input end of a heating pipe indicator lamp 9;
the power load output end of the power load connector 8 is respectively connected with the input ends of a national auspicious unit power load aerial plug binding post 16, an Mrek unit power load aerial plug binding post 17 and a GE unit power load aerial plug binding post 18.
The test bed mainly provides +/-DC 74V direct current through an alternating current 220V power supply, the +/-DC 74V direct current supplies power to the interior of the locomotive air conditioning unit, the power is accessed by an air conditioning power supply connector switch, a power supply connector is used for being connected with a power load connector, power loads of corresponding models, such as national auspicious unit power supply loads, Mrek unit power supply loads and GE unit power supply loads, are connected through the power load connector, and the current state is displayed through a heating pipe indicator lamp. The fan, the condensing fan and the compressor are connected into the power load connector, and the working states of the fan, the condensing fan and the compressor are displayed through corresponding indicating lamps. The test bed simulates the working environment of the locomotive air conditioning unit to test whether the control output function of the air conditioning power supply is normal. The test bed has stable and reliable performance, reasonable structure and convenient operation.
In a second specific embodiment, the second embodiment is further described for the novel air conditioner test bed in the first embodiment, and in the second embodiment, the test bed further comprises an air switch number 1 and an air switch number 7; air switch number 1 is connected in series between AC220V and 74V power supply 2 and air switch number 7 is connected in series between power supply connector 6 and power load connector 8.
Taking an HXN5 air-conditioning power supply test bed as an example, the performance characteristics are as follows:
1) the HXN5 air conditioner power supply test bed has complete functions and covers the air conditioner power supply detection functions of all models of HXN 5;
2) the HXN5 air-conditioning test bed has the simulation regulation function of each temperature sensor of the air-conditioning unit, can simulate the input cab temperature sensor control signal of the air-conditioning power supply for starting refrigeration and heating, and the simulation signals of each sensor such as the return air temperature sensor, the air outlet temperature sensor and the like, thereby enabling the air-conditioning power supply to switch the working modes of refrigeration and heating at will and carrying out comprehensive detection at any time;
3) in the test process of the HXN5 air conditioner test bed, the working voltage and working current output under various working conditions can be clearly seen on the digital display meter to be used as the basis for maintaining and detecting the air conditioner power supply;
4) the HXN5 air conditioner power supply test bed can automatically identify which type of air conditioner power supply HXN5 is to be detected at the moment.
Main technical parameters
1) Rated AC power input: 3 phi AC380V +/-10%, 50 HZ;
2) direct current output voltage: two voltages, DC74V and DC 110V;
3) direct current output current: 0 to 50A;
4) external dimension (mm):
conditions of use
1) Temperature range: 5-50 ℃;
2) relative humidity: less than or equal to 90 percent;
3) the device is placed in a well-ventilated and dry room, and the distance between the device and other equipment and the wall is more than or equal to 100 mm;
4) and effectively grounding according to the grounding identifier:
description of the operation
Connection of
And finding a connecting wire corresponding to the type of the air conditioner power supply to be connected with the test bed, and connecting the power aviation plug wire harness with the power supply well by the other end.
The power copper binding post (power supply connector) is connected:
43 to one terminal of the mains supply connector; 52 connecting test stands J22, J25, J28;
44 to one terminal of the mains power supply connector; 51 connecting test stands J23, J24, J29;
45 to one terminal of the mains power supply connector; 50 connecting test stands J21, J26, J27;
starting up
1) After the test bed is connected with the power source to be detected through a wire, whether wiring of the wiring terminal is correct or not is checked, and the test bed is started after confirmation.
2) The main power supply on the panel of the test bed is accessed, the test bed is started, all instruments display numbers, and the types of the units (national auspicious unit power supply load, Mrek unit power supply load and GE unit power supply load) of the air conditioner power supply are automatically identified.
3) And when the working voltage on the observation panel is stabilized to about 77V, the working current is 0.
4) When all the devices are ready, the 74V output air switch (air switch I) on the panel of the test bed is opened, the hand is placed on the air switch to avoid leaving, the current reading of the panel working ammeter is observed at the moment, and the charging phenomenon of the air conditioner power supply (normal charging phenomenon: after the power is supplied for 1-2S, the current is instantly increased to 7-10A and then rapidly decreased to be stabilized at about 1A), the charging phenomenon is normal to the normal starting of the air conditioner power supply, and the hand can be taken away from the 74V output air switch (if any abnormal charging condition is found, the 74V output air switch is rapidly pulled down). At this time, the air conditioner power supply starting stage is completed.
Air conditioner power supply ventilation function test
1) After the air conditioner power supply is started, the fan is connected, the fan indicator lamp on the panel of the test bed unit is turned on in a frequency conversion mode, the test bed fan rotates, and high wind starts. The ventilation function of the air conditioner power supply is tested by adjusting the rotating speed of the fan.
2) Attention was paid to observations during the ventilation test:
3) observing the change of a working ammeter on the panel, and starting the fan, wherein the ammeter number is between 9A (low wind) and 15A (high wind);
4) whether the brightness of the three-phase display lamp of the fan on the panel is normal and average is observed, so that three-phase bias voltage is prevented;
5) and whether the motor of the simulation fan of the observation test bed turns correctly or not is observed, so that the reverse rotation is prevented.
Air conditioner power supply refrigeration function test
In the test of the refrigeration function, firstly, the values of all sensors and the positions of high-low voltage switches are set according to the HXN5 air conditioner power supply maintenance process operation method corresponding to each model, and the refrigeration function is tested. (setting of compressor and condensing fan)
And adjusting a CTH knob according to an HXN5 air conditioner power supply maintenance process operation method to perform simulated temperature adjustment to start and stop refrigeration of the power supply air conditioner power supply, sequentially turning on a condensing fan indicator lamp and a compressor indicator lamp on a panel after the refrigeration is started, turning off the compressor solenoid valve lamp on the panel after 3 seconds, simulating the rotation of a motor by a test bed, and starting the refrigeration.
Testing the heating function of the air conditioner power supply:
and adjusting a CTH knob according to an HXN5 air conditioner power supply maintenance process operation method to perform simulated temperature adjustment so that the power supply air conditioner power supply starts and stops low heat, medium heat and high heat gears, and a heating display lamp on the panel is lighted. The low heat on start current indicates the number 15A, the medium heat gear current indicates the number 20A, and the high heat gear current indicates the number 25A.
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 (2)
1. A novel air conditioner test bed is used for monitoring the working environment of an air conditioning unit, wherein the working environment of the air conditioning unit comprises a fan (11), a condensing fan (13), a compressor (15) and a power supply load; the input power supply of the test bed is AC 220V;
the test bed is characterized by comprising a 74V power supply (2), an air conditioner power supply connector switch (3), an ammeter (4), a voltmeter (5), a power supply connector (6), a power load connector (8), a heating pipe indicator lamp (9), a fan indicator lamp (10), a condensing fan indicator lamp (12), a compressor indicator lamp (14), a national auspicious unit power load aerial plug wiring terminal (16), an Mrek unit power load aerial plug wiring terminal (17) and a GE unit power load aerial plug wiring terminal (18);
the AC220V, the 74V power supply (2), the air conditioner power supply connector switch (3) and the ammeter (4) are sequentially connected in series; the voltmeter (5) is connected in parallel at two ends of the 74V power supply (2);
an air conditioner power supply connector switch (3), a power supply connector (6) and a power load connector (8) are sequentially connected in series;
the heating pipe output end of the power load connector (8) is connected with the input end of a heating pipe indicator lamp (9);
and the power load output end of the power load connector (8) is respectively connected with the input ends of a national mascot power supply load aerial-splice binding post (16), an Mrek power supply load aerial-splice binding post (17) and a GE power supply load aerial-splice binding post (18).
2. The novel air conditioner test bed as claimed in claim 1, wherein the test bed further comprises an air switch I (1) and an air switch II (7); air switch number one (1) is connected in series between AC220V and 74V power supply (2) and air switch number two (7) is connected in series between power supply connector (6) and power load connector (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123268393.9U CN216771862U (en) | 2021-12-23 | 2021-12-23 | Novel air conditioner test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123268393.9U CN216771862U (en) | 2021-12-23 | 2021-12-23 | Novel air conditioner test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216771862U true CN216771862U (en) | 2022-06-17 |
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ID=81969114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123268393.9U Active CN216771862U (en) | 2021-12-23 | 2021-12-23 | Novel air conditioner test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216771862U (en) |
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2021
- 2021-12-23 CN CN202123268393.9U patent/CN216771862U/en active Active
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