CN220603541U - Left power distribution panel test board - Google Patents

Abstract

The utility model discloses a left power supply distribution panel test board, which comprises a test panel and a test circuit, wherein the upper end of the test panel is provided with a plurality of discrete output indicator lamps and discrete signal test interfaces, and the lower end of the test panel is provided with a 220VAC power switch, a 115VAC power switch, a power supply signal test hole and a relay control switch; the test circuit is provided with a control circuit, a 28VAC transformer, a 28VAC switching power supply, a relay control circuit and a relay on indicator lamp, wherein the 28VAC transformer is connected with an external 115VAC power supply, and the 28VAC switching power supply is connected with an external 220VAC power supply; the test circuit is used for providing a working power supply for a tested piece, providing control voltage signals of all relays and providing a discrete output signal indicator lamp test circuit. The utility model can effectively complete each performance test of the left power distribution panel and has better practicability.

Description

Left power distribution panel test board

Technical Field

The utility model belongs to the technical field of power distribution panel test equipment, and particularly relates to a left power distribution panel test board.

Background

The PDU (Power Distribution Unit), which is a power distribution socket for a cabinet, is a product designed for providing power distribution for cabinet-type installed electrical equipment, has various series specifications of different functions, installation modes and different plug-in combinations, and can provide a proper rack-mounted power distribution solution for different power supply environments. The PDU application can make the power distribution in the cabinet more orderly, reliable, safe, professional and beautiful, and make the maintenance of the power in the cabinet more convenient and reliable. In the processing process of the aviation equipment, the power distribution unit comprises a left power distribution panel, and the left power distribution panel is required to be used, so that performance test is required to be carried out on the left power distribution panel to ensure the reliability of subsequent processing.

Disclosure of Invention

The utility model aims to provide a test board for a left power supply distribution panel, which is special test equipment for the left power supply distribution panel, and can effectively complete various performance tests of the left power supply distribution panel by using various control switches on the test board panel operated by a person and matching with an external measuring instrument.

The utility model is realized mainly by the following technical scheme:

the left power supply distribution panel test board comprises a chassis, wherein a test panel is arranged at the front end of the chassis, and a test circuit is arranged in the chassis; the upper end of the test panel is provided with a plurality of discrete output indicator lamps and discrete signal test interfaces, and the lower end of the test panel is sequentially provided with a 220VAC power switch, a 115VAC power switch, a power signal test hole and a relay control switch from left to right; the test circuit is correspondingly provided with a control circuit, a 28VAC transformer, a 28VAC switching power supply, a relay control circuit and a relay on indicator lamp which are respectively connected with the control circuit, wherein the 28VAC transformer is connected with an external 115VAC power supply, and the 28VAC switching power supply is connected with an external 220VAC power supply; the test circuit is used for providing a working power supply for a tested piece, providing control voltage signals of each relay and providing a discrete output signal indicator lamp test circuit.

To better implement the present utility model, further, the test circuit further includes an electrical connector XS1, an electrical connector XS2, and an electrical connector XS3, wherein the electrical connector XS1 is used for connecting to a 220VAC power source, and a 115VAC power source and a 28VAC transformer are connected between the electrical connector XS2 and the electrical connector XS 3.

To better implement the present utility model, further, the electrical connector XS1 is connected to a 220VAC power supply through a 220VAC power switch, and the electrical connector XS2 is connected to a 115VAC power supply through a 115VAC power switch.

To better implement the present utility model, further, the test circuit further includes a connector XS4, where several XP interfaces of the connector XS4 are respectively connected to the relay control circuit and the discrete output branch, and the connector XS4 is connected to the 115VAC power source.

In order to better realize the utility model, further, the XP4-58 interface-XP 4-61 interface of the connector XS4 is respectively connected with a discrete output branch for measuring a mutual inductor, and the XP4-11 interface-XP 4-28 interface is respectively connected with a discrete output branch for measuring resistance.

In order to better implement the utility model, the test circuit further comprises a connector XS5, a plurality of XP interfaces of the connector XS5 are respectively connected with a relay on indicator light circuit, and the connector XS5 is connected with a 28VAC power supply.

The beneficial effects of the utility model are as follows:

the utility model is a special test device for the left power distribution panel, uses various control switches on the test bench panel operated by a person, and can effectively complete various performance tests of the left power distribution panel by matching with an external measuring instrument. The utility model adopts a manual working module to provide UUT working power supply, provides control voltage signals of each relay, and provides a discrete output signal indicator lamp test circuit.

Drawings

FIG. 1 is a schematic diagram of a test panel;

FIG. 2 is a schematic block diagram of the present utility model;

FIG. 3 is a circuit diagram of the connection of electrical connector XS1 to a 220VAC power source;

FIG. 4 is a circuit diagram of the connection of electrical connector XS2 to 115VAC power;

FIG. 5 is a circuit diagram of the XP4-1 to XP4-10 interface of the electrical connector XS 4;

FIG. 6 is a circuit diagram of the XP4-11 to XP4-28 interface of the electrical connector XS 4;

FIG. 7 is a circuit diagram of the XP4-29 to XP4-45 interface of the electrical connector XS 4;

FIG. 8 is a circuit diagram of the XP4-44 to XP4-57 interface of the electrical connector XS 4;

FIG. 9 is a circuit diagram of the XP4-58 to XP4-61 interface of the electrical connector XS 4;

FIG. 10 is a circuit diagram of the XP5-1 to XP5-12 interface of the electrical connector XS 5;

FIG. 11 is a circuit diagram of the XP5-13 to XP5-32 interface of the electrical connector XS 5;

FIG. 12 is a circuit diagram of the XP5-32 to XP5-39 interface of the electrical connector XS 5;

FIG. 13 is a circuit diagram of the XP5-40 to XP5-59 interface of the electrical connector XS 5;

FIG. 14 is a circuit diagram of the XP5-59 to XP5-75 interface of the electrical connector XS 5;

FIG. 15 is a circuit diagram of the XP5-82 to XP5-95 interface of the electrical connector XS 5;

fig. 16 is a circuit diagram of the XP5-95 to XP5-113 interface of electrical connector XS5.

Wherein: 1. 220VAC power switch, 2, 115VAC power switch, 3, power signal test hole, 4, relay control switch, 5, discrete signal test interface, 6, discrete output pilot lamp.

Detailed Description

Example 1:

the utility model provides a left power distribution panel testboard, includes the quick-witted case, the front end of machine case is provided with test panel, and inside is provided with test circuit. As shown in fig. 2, the test circuit comprises a control circuit, and a 28VAC transformer, a 28VAC switching power supply, a relay control circuit and a relay on indicator lamp which are respectively connected with the control circuit, wherein the 28VAC transformer is connected with an external 115VAC power supply, and the 28VAC switching power supply is connected with an external 220VAC power supply. As shown in fig. 2-16, the test circuit is used for providing working power supply for the tested piece, providing control voltage signals of each relay and providing discrete output signals to indicate the lamp test circuit. Preferably, the test circuit further comprises electrical connectors XS1, XS2, XS3 and XS4, XS5.

As shown in fig. 3 and 4, the electrical connector XS1 is used for connecting a 220VAC power supply, and a 115VAC power supply and a 28VAC transformer are connected between the electrical connector XS2 and the electrical connector XS 3. The electrical connector XS1 is connected to a 220VAC power supply via a 220VAC power switch 1, and the electrical connector XS2 is connected to a 115VAC power supply via a 115VAC power switch 2.

As shown in fig. 5-9, the XP4 interfaces of the connector XS4 are respectively connected with the relay control circuit and the discrete output branch, and the connector XS4 is connected with the 115VAC power supply. The XP4-58 to XP4-61 interfaces of the connector XS4 are respectively connected with discrete output branches for measuring the mutual inductor, and the XP4-11 to XP4-28 interfaces are respectively connected with discrete output branches for measuring the resistance. As shown in fig. 10-16, a plurality of XP5 interfaces of the connector XS5 are respectively connected with a relay on indicator light circuit, and the connector XS5 is connected with a 28VAC power supply. The respective XP interface definitions for connector XS4 and connector XS5 are shown in Table 1.

As shown in fig. 1, the upper end of the test panel is provided with a plurality of discrete output indicator lamps 6 and discrete signal test interfaces 5, and the lower end is provided with 220VAC power switches 1, 115VAC power switches 2, power signal test holes 3 and relay control switches 4 in sequence from left to right.

TABLE 1

The use conditions of the utility model are as follows:

(1) Power supply

An alternating current power supply: 220VAC/50Hz,2A.

An alternating current power supply: three phase 115VAC/400Hz,2A.

(2) Environment (environment)

Temperature: -10 ℃ to +50 ℃;

humidity: 10% RH to 85% RH;

air pressure: field pressure.

The indoor fixed point should be used in the environment of no dust, no acid or alkali and other corrosive gases, no strong mechanical vibration impact and strong electromagnetic field.

The application steps of the utility model are as follows:

1) Preparation before testing

Step 1: the front panel push-button switches are placed in the bouncing position, all the push-button switches are thrown down or in the middle position, and the 220VAC/50Hz power supply and the 115VAC/400Hz power supply of the workshop are respectively connected into the testing equipment through power cables.

Step 2: when the front panel 220VAC power switch 1 is pressed, the confirmation switch is turned on by the self-contained indication lamp, and then the switch is sprung.

Step 3: the tested piece is connected to the test bench through the test cable.

2) Testing

Step 4: the front panel 220VAC power switch 1 is pressed and then tested according to the test procedure on the CMM manual.

3) Completion of test

Step 5: the front panel 220VAC power switch 1 is sprung.

Step 6: and (5) disconnecting all the connecting lines and storing the equipment according to the regulations.

The attention points of the utility model are as follows:

1) Before the power is turned on, the front panel S1 power switch is confirmed to be in the throwing position, and the test bench is carefully checked to ensure that no redundant conductive objects such as wires are hung on the test bench.

2) And the plug of the tested piece is not plugged in and pulled out in a live mode, and after the test is finished, all the power switches are sprung up to disconnect all the cables.

3) When an emergency occurs, the 220VAC power switch is firstly sprung.

Verification of the utility model:

the equipment is detected according to YMGHCSN-254-YG 'left Power distribution Panel test bench acceptance test outline'.

The fault analysis of the present utility model is as follows:

power failure:

1) If the 220VAC power indicator lamp is not lighted: checking whether the 220VAC power input line is normal; whether the power switch is wired correctly.

2) Such as no 28VDC power supply output: and checking whether the internal switching power supply works normally.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present utility model fall within the scope of the present utility model.

Claims (6)

1. The left power distribution panel test board is characterized by comprising a case, wherein the front end of the case is provided with a test panel, and a test circuit is arranged in the case; the upper end of the test panel is provided with a plurality of discrete output indicator lamps and discrete signal test interfaces, and the lower end of the test panel is sequentially provided with a 220VAC power switch, a 115VAC power switch, a power signal test hole and a relay control switch from left to right; the test circuit is correspondingly provided with a control circuit, a 28VAC transformer, a 28VAC switching power supply, a relay control circuit and a relay on indicator lamp which are respectively connected with the control circuit, wherein the 28VAC transformer is connected with an external 115VAC power supply, and the 28VAC switching power supply is connected with an external 220VAC power supply; the test circuit is used for providing a working power supply for a tested piece, providing control voltage signals of each relay and providing a discrete output signal indicator lamp test circuit.

2. The left power distribution panel test stand of claim 1, wherein the test circuit further comprises an electrical connector XS1, an electrical connector XS2, and an electrical connector XS3, the electrical connector XS1 being configured to connect to a 220VAC power source, the electrical connector XS2 and the electrical connector XS3 having a 115VAC power source and a 28VAC transformer connected therebetween.

3. The left power distribution panel test stand of claim 2, wherein the electrical connector XS1 is connected to a 220VAC power supply via a 220VAC power switch, and wherein the electrical connector XS2 is connected to a 115VAC power supply via a 115VAC power switch.

4. The left power distribution panel test station of claim 1, wherein the test circuit further comprises a connector XS4, wherein a plurality of XP interfaces of the connector XS4 are respectively connected to the relay control circuit and the discrete output branch, and wherein the connector XS4 is connected to the 115VAC power source.

5. The left power distribution panel test stand according to claim 4, wherein the XP4-58 interface-XP 4-61 interface of the connector XS4 is connected with discrete output branches for transformer measurement, and the XP4-11 interface-XP 4-28 interface is connected with discrete output branches for resistance measurement, respectively.

6. The left power distribution panel test stand of claim 1, wherein the test circuit further comprises a connector XS5, wherein a plurality of XP interfaces of the connector XS5 are respectively connected with a relay on indicator light circuit, and wherein the connector XS5 is connected with a 28VAC power supply.