CN215219102U

CN215219102U - Power supply testing tool

Info

Publication number: CN215219102U
Application number: CN202121555583.6U
Authority: CN
Inventors: 杨树华; 王利国; 李秀明; 冬颖; 丁然
Original assignee: Hengye Century Security Technology Co ltd
Current assignee: Hengye Century Security Technology Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-17
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a power test fixture, including the test box, adjustable power and adjustable resistance, adjustable power is fixed in the one end of test box, adjustable resistance is fixed in the other end of test box, adjustable power is connected with the input terminal electricity, the input terminal, the ammeter charges, the test module that charges is constituteed to stand-by electricity change over switch and stand-by electricity connecting terminal series connection in proper order, adjustable resistance is connected with the output terminal electricity, a test circuit, the output ammeter, stand-by electricity adjusts the potentiometre, stand-by electricity change over switch and stand-by electricity connecting terminal series connection in proper order constitute the test module that discharges, output terminal connects in parallel in test circuit's both ends, the output voltmeter connects in parallel in output terminal's both ends. The power supply to be tested is connected with the standby power connection terminal, different charging voltages and different load resistances are obtained by adjusting the controllable power supply and the controllable resistance, the charging and discharging test requirements of batteries of different models are met, wiring is not required to be repeatedly installed and detached, and the standby power supply is convenient to use.

Description

Power supply testing tool

Technical Field

The utility model relates to a power test technical field, more specifically relates to a power test frock.

Background

In the prior art, when a power supply is tested, generally, the power supply to be tested is placed on an operation table, and then a 220V power line, a 24V output load line, a standby power input line, a battery output line and a fault output line are respectively and manually connected with a machine, so that various tests on the power supply are completed. However, during the test, the following problems exist: (1) the 24V output load line, the standby power connecting line and the battery connecting line need to be repeatedly installed and detached, so that a plurality of wiring ports need to be connected, the situation of wiring errors is easy to occur, and the electric shock risk is generated. (2) The output voltage, the output current, the charging voltage, the charging current, the input voltage and the like of the universal meter testing equipment need to be repeatedly used when the equipment is tested, the labor intensity is high, the requirement on the operation level of workers is high, and then the production cost of a product is improved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect of the prior art, the utility model aims to solve the technical problem that a power test fixture has been proposed, will await measuring the power and be connected with the connecting terminal that is equipped with electricity, obtain different charging voltage and load resistance through adjusting controllable power and controllable resistance, satisfy the charge-discharge test requirement of different model batteries, need not to install repeatedly and dismantle wiring, convenient to use. Meanwhile, various test data of the battery can be obtained by observing the readings of the current meters and the voltage meters on the equipment, so that the labor intensity of testers is reduced, and the test speed is increased.

To achieve the purpose, the utility model adopts the following technical proposal: a power supply testing tool comprises a testing box, an adjustable power supply and an adjustable resistor, wherein the adjustable power supply is fixed at one end of the testing box, the adjustable resistor is fixed at the other end of the test box, an input terminal, an output ammeter, an output voltmeter, a standby power connecting terminal, a standby power change-over switch, a charging ammeter and a standby power adjusting potentiometer are fixed on the front end surface of the test box, the test circuit is fixedly arranged in the inner cavity of the test box, the adjustable power supply is electrically connected with the input terminal, the charging ammeter, the standby power change-over switch and the standby power connecting terminal are sequentially connected in series to form a charging test module, the adjustable resistor is electrically connected with the output terminal, the test circuit, the output ammeter, the standby power adjusting potentiometer, the standby power change-over switch and the standby power connecting terminal are sequentially connected in series to form a discharge test module, the output terminal is connected in parallel to two ends of the test circuit, and the output voltmeter is connected in parallel to two ends of the output terminal.

The utility model discloses in the technical scheme of preferred, backup battery is still installed at the test box top, and backup battery passes through reserve electricity change over switch with reserve electricity connecting terminal electricity is connected.

The utility model discloses in the technical scheme of preferred, input terminal's both ends parallel connection has the input voltmeter, reserve electricity connecting terminal both ends parallel connection has reserve electricity voltmeter.

The utility model discloses in the technical scheme of preferred, be connected with main electric switch on the input terminal, be connected with load switch on the output terminal.

The utility model discloses in the technical scheme of preferred, switch is still installed to the test box.

The utility model has the advantages that:

the utility model provides a pair of power test frock will await measuring the power and be connected with the connecting terminal that is equipped with electricity, obtains different charging voltage and load resistance through adjusting controllable power and controllable resistance, satisfies the charge-discharge test requirement of different model batteries, need not to install repeatedly and dismantle wiring, convenient to use. Meanwhile, various test data of the battery can be obtained by observing the readings of the current meters and the voltage meters on the equipment, so that the labor intensity of testers is reduced, and the test speed is increased.

Drawings

Fig. 1 is a three-dimensional structure diagram of a power testing tool according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a test chamber;

FIG. 3 is a schematic circuit diagram of the test box.

In the figure:

the method comprises the following steps of 1-testing box, 2-adjustable power supply, 3-adjustable resistor, 4-input terminal, 5-output terminal, 6-output ammeter, 7-output voltmeter, 8-standby power connection terminal, 9-standby power change-over switch, 10-testing circuit, 11-charging ammeter, 12-standby power adjustment potentiometer, 13-standby battery, 14-input voltmeter, 15-standby power voltmeter, 16-main switch, 17-load switch and 18-power switch.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1-3, in the embodiment, a power supply testing tool is provided, which includes a testing box 1, an adjustable power supply 2 and an adjustable resistor 3, the adjustable power supply 2 is fixed at one end of the testing box 1, the adjustable resistor 3 is fixed at the other end of the testing box 1, an input terminal 4, an output terminal 5, an output ammeter 6, an output voltmeter 7, a standby power connection terminal 8, a standby power change-over switch 9, a charging ammeter 11 and a standby power adjustment potentiometer 12 are fixed on the front end surface of the testing box 1, a testing circuit 10 is fixed in the inner cavity of the testing box 1, the adjustable power supply 2 is electrically connected with the input terminal 4, the charging ammeter 11, the standby power change-over switch 9 and the standby power connection terminal 8 are sequentially connected in series to form a charging testing module, the adjustable resistor 3 is electrically connected with the output terminal 5, the testing circuit 10, the output ammeter 6, the standby power adjustment potentiometer 12, the standby power change-over switch 9 and the standby power connection terminal 8 are sequentially connected in series to form a discharging testing module, the output terminal 5 is connected in parallel to both ends of the test circuit 10, and the output voltmeter 7 is connected in parallel to both ends of the output terminal 5. During the test of charging, on being connected to the power connection terminal 8 that will await measuring to rotate and be equipped with electric change over switch 9 and make and be equipped with electric connection terminal 8 and the test module intercommunication that charges, then adjust adjustable power 2, for the power that awaits measuring provides different input voltage, charging current meter 11 can show the charging current of the power that awaits measuring this moment, and the tester only needs the reading of observing charging current meter 11 can obtain the charging current of the battery that awaits measuring. During the test of discharging, it makes the connection terminal 8 of being equipped with the electricity and communicates with the test module of discharging to rotate the change over switch 9 of being equipped with the electricity, then adjust adjustable resistance 3, provide different loads for the power that awaits measuring, make test circuit 10 can measure the operating condition of battery under the different loads, output current meter 6 can show the output current of the power that awaits measuring, output voltage meter 7 can show the output voltage of the power that awaits measuring, the output voltage and the output current of the power that awaits measuring can be obtained through the reading of observing ammeter and voltmeter to the tester, need not to install repeatedly and dismantle the wiring, tester's intensity of labour has been alleviateed, the test speed has been improved. In addition, the voltage at the two ends of the standby power regulating potentiometer 12 is regulated to be increased, so that the voltage at the two ends of the test circuit 10 is reduced, the working effect of the power supply to be tested in an undervoltage protection state is simulated, and the output current and the output voltage parameters of the power supply to be tested in the undervoltage protection state are obtained.

Specifically, a standby battery 13 is further installed on the top of the test box 1, and the standby battery 13 is electrically connected with the standby power connection terminal 8 through the standby power change-over switch 9. When the power grid is accidentally powered off and the adjustable power supply 3 is not available, the standby battery 13 can be connected into the charging test module through the standby power change-over switch 9 to supply power for the charging test module, so that the equipment can be ensured to continuously operate for a long time.

Specifically, an input voltmeter 14 is connected in parallel to both ends of the input terminal 4, and a standby voltmeter 15 is connected in parallel to both ends of the standby power connection terminal 8. The input voltage meter 14 can display the input voltage of the adjustable power supply 2, so that a tester can quickly determine the current input voltage according to the reading of the input voltage meter 14, and meanwhile, the input voltage is conveniently adjusted. The standby voltmeter 15 can display the actual voltage at the two ends of the current power supply to be tested, and the tester can obtain the attenuation speed of the electric quantity when the power supply is in the working state by recording the voltage of the power supply to be tested at different moments.

Specifically, the input terminal 4 is connected to a main power switch 16, and the output terminal 5 is connected to a load switch 17. The main electric switch 16 is used for controlling the adjustable power supply 2 to be connected into the charging test module, and the load switch 17 is used for controlling the adjustable resistor 3 to be connected into the discharging test module, so that a tester can open a corresponding switch according to test requirements, and the operation is simpler and more convenient.

Specifically, a power switch 18 is also installed in the test box 1. The power switch 18 is used for controlling the opening and closing of the device testing box 1, when the device is used, the power switch 18 is opened, and at the moment, the charging testing module and the discharging testing module can normally work after being electrified; when the device is not used, the power switch 18 is turned off, and the charging test module and the discharging test module do not work after being connected with electricity, so that a tester can turn off the device at idle, the waste of electric power is reduced, and the electric power cost in the test process is reduced.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a power supply test frock which characterized in that: the testing device comprises a testing box (1), an adjustable power supply (2) and an adjustable resistor (3), wherein the adjustable power supply (2) is fixed at one end of the testing box (1), the adjustable resistor (3) is fixed at the other end of the testing box (1), an input terminal (4), an output terminal (5), an output ammeter (6), an output voltmeter (7), a standby power connecting terminal (8), a standby power change-over switch (9), a charging ammeter (11) and a standby power adjusting potentiometer (12) are fixed on the front end face of the testing box (1), a testing circuit (10) is fixedly arranged in the inner cavity of the testing box (1), the adjustable power supply (2) is electrically connected with the input terminal (4), the charging ammeter (11), the standby power change-over switch (9) and the standby power connecting terminal (8) are sequentially connected in series to form a charging testing module, the adjustable resistor (3) is electrically connected with the output terminal (5), the testing circuit (10), the output ammeter (6), the standby power adjusting potentiometer (12), the standby power change-over switch (9) and the standby power connecting terminal (8) are sequentially connected in series to form a discharging testing module, the output terminal (5) is connected in parallel to two ends of the testing circuit (10), and the output voltmeter (7) is connected in parallel to two ends of the output terminal (5).

2. The power supply testing tool according to claim 1, characterized in that: spare battery (13) are still installed at test box (1) top, and spare battery (13) pass through reserve electricity change over switch (9) with reserve electricity connecting terminal (8) electricity is connected.

3. The power supply testing tool according to claim 1, characterized in that: the two ends of the input terminal (4) are connected with an input voltmeter (14) in parallel, and the two ends of the standby power connection terminal (8) are connected with a standby power voltmeter (15) in parallel.

4. The power supply testing tool according to claim 1, characterized in that: the input terminal (4) is connected with a main electric switch (16), and the output terminal (5) is connected with a load switch (17).

5. The power supply testing tool according to claim 1, characterized in that: and a power switch (18) is also arranged in the test box (1).