Isolated power supply voltage detection equipment

Abstract

The utility model discloses an isolation type power supply voltage detection device, which comprises a shell, a base and a detection box, the shell is U-shaped, the shell is fixedly arranged on the base, two sliding blocks are fixedly arranged on the outer walls of the two sides of the detection box, two detection joints are arranged on the bottom surface of the detection box, and the detection joints are connected with the sliding blocks. The two sides of the bottom surface of the detection box are each fixedly provided with two springs, the bottom ends of the two springs located on the same side are each fixedly provided with a pressing plate, the two pressing plates are located on the two sides of the detection connector respectively, and the two inner side walls of the shell are each provided with two sliding grooves. According to the utility model, the spacing between the limiting plates is adjusted, so that the power supply detection equipment can adapt to power supplies with different sizes and specifications, the universality and the application range of the equipment are expanded, the equipment can adapt to different power supplies more conveniently in the process of arranging the power supplies, the arrangement time is shortened, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of power supply detection, in particular to an isolated power supply voltage detection device. Background Art

[0002] Power supply testing is to evaluate the performance and stability of the power supply system to ensure that it can normally provide the required power to the equipment. The purpose of power supply testing includes testing whether the output voltage and current of the power supply system meet the requirements of the equipment, including output voltage fluctuations and ripples, and testing the protection functions of the power supply system, such as overload protection and overvoltage protection.

[0003] After searching, Chinese patent number CN219039158U discloses a mobile power supply detection device, including a detection box, a placement slot is provided at the bottom of the detection box, and a mobile power supply body is arranged inside the placement slot. The utility model sets a connecting rod to press the mounting plate, so that the mounting plate drives the contact piece to contact the connector, and then the charge and discharge detection can be performed. When the contact piece contacts the connector, the contact piece will deform, so that the contact piece and the connector are in close contact, and the slot will move to one side of the clamping rod, and the connection plate will be ejected under the action of the limit spring, so that the connection plate drives the clamping rod to be clamped inside the slot, and then the connection rod plays a role of limiting, so as to facilitate the charge and discharge detection of the mobile power supply body, and at the same time solve the existing problem that the worker needs to manually connect the pole piece of the power supply for the charge and discharge detection of the mobile power supply, and the worker connection efficiency is low, which reduces the detection efficiency of the mobile power supply.

[0004] The above scheme has the following deficiencies: due to the size of the detection box, the scheme may not be able to adapt to power supplies of different sizes and specifications when performing power supply detection, thereby limiting the versatility and applicability of the equipment, and lacks limiting measures for the power supply. During detection, the contact piece and the power connector may be misaligned or misaligned, resulting in inaccurate detection structure.

[0005] In view of the technical problems existing in the prior art, the utility model provides an isolated power supply voltage detection device to solve the above problems. Utility Model Content

[0006] The utility model aims to solve the shortcomings in the prior art and proposes an isolated power supply voltage detection device.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] An isolated power supply voltage detection device comprises a shell, a base and a detection box, wherein the shell is U-shaped and fixedly mounted on the base, two sliders are fixedly mounted on the outer walls on both sides of the detection box, two detection connectors are arranged on the bottom surface of the detection box, two springs are fixedly mounted on both sides of the bottom surface of the detection box, and pressure plates are fixedly mounted at the bottom ends of the two springs located on the same side, and the two pressure plates are respectively located on both sides of the detection connector, two slide grooves are provided on the two inner side walls of the shell, and the four sliders are slidably mounted in adjacent slide grooves, an electric push rod is fixedly mounted on the top of the shell, and the telescopic end of the electric push rod passes through the top of the shell and is fixedly connected to the top of the detection box, and limiting mechanisms are arranged on the two side walls of the shell.

[0009] Preferably, the limiting mechanism comprises an adjusting bolt threadedly connected to the side wall of the shell, one end of the adjusting bolt is located on the inner side of the shell and is limitedly installed with a limiting plate, and two symmetrically arranged guide rods are fixedly installed on one surface of the limiting plate facing the shell.

[0010] Preferably, two guide holes are provided on both side walls of the shell, and the four guide rods are slidably installed in adjacent guide holes.

[0011] Preferably, the bottoms of the two inner side walls of the shell are provided with limiting grooves, and the two limiting grooves are both in contact with the base.

[0012] Preferably, a mounting groove is provided on the surface of the base, the mounting groove is rectangular, and two symmetrically arranged arc-shaped connecting rods are rotatably installed in the mounting groove, and torsion springs are provided at the connections between the two arc-shaped connecting rods and the side walls of the mounting groove.

[0013] Preferably, the top ends of the two arc-shaped connecting rods are fixedly mounted with a same stopper, and the top of the stopper is located outside the mounting groove.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The utility model provides a limit plate, a guide rod, a guide hole and an adjusting bolt, and adjusts the spacing of the limit plate, so that the power supply detection device can adapt to power supplies of different sizes and specifications, thereby expanding the versatility and application scope of the device, and can more conveniently adapt to different power supplies during the installation of the power supply, thereby shortening the installation time and reducing the cost;

[0016] 2. The utility model sets a limit groove, an electric push rod, a spring, a pressure plate, a block, an arc-shaped connecting rod and a torsion spring. The limit groove can provide guidance for the power supply, and the block assists the power supply to move to a specified position to limit the stroke of the power supply and prevent excessive movement of the power supply. The resistance of the block can give the detection personnel tactile feedback and stop placing the power supply in time. During the detection, the pressure plate will first further suppress and limit the power supply to ensure that the detection connector can accurately offset the connector of the power supply, which helps to improve the detection efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model provides a structural schematic diagram of an isolated power supply voltage detection device.

[0018] Figure 2 This is a front view of an isolated power supply voltage detection device proposed by the utility model.

[0019] Figure 3 The present invention is a schematic diagram of the bottom structure of an isolated power supply voltage detection device proposed by the present invention.

[0020] In the figure: 1 housing, 2 base, 3 limit groove, 4 slide groove, 5 detection box, 6 electric push rod, 7 limit plate, 8 guide rod, 9 guide hole, 10 adjustment bolt, 11 detection joint, 12 spring, 13 pressure plate, 14 slider, 15 stopper, 16 arc connecting rod, 17 torsion spring, 18 installation groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-Figure 3, an isolated power supply voltage detection device, comprising a shell 1, a base 2 and a detection box 5, the shell 1 is U-shaped, the shell 1 is fixedly mounted on the base 2, two sliders 14 are fixedly mounted on the outer walls of both sides of the detection box 5, two detection connectors 11 are arranged on the bottom surface of the detection box 5, two springs 12 are fixedly mounted on both sides of the bottom surface of the detection box 5, the elastic coefficient of the spring 12 is small, avoiding giving a large resistance to the electric push rod 6, the bottom ends of the two springs 12 located on the same side are fixedly mounted with a pressing plate 13, the distance between the pressing plate 13 and the detection connector 11 is small, which can avoid the long telescopic distance of the spring 12 and prevent the pressure plate 13 from deviating, the two pressing plates 13 are respectively located on both sides of the detection connector 11, two slide grooves 4 are provided on the two inner side walls of the shell 1, four sliders 14 are slidably mounted in adjacent slide grooves 4, an electric push rod 6 is fixedly mounted on the top of the shell 1, the telescopic end of the electric push rod 6 passes through the top of the shell 1 and is fixedly connected to the top of the detection box 5, and a limiting mechanism is arranged on both side walls of the shell 1.

[0023] In the utility model, the limiting mechanism includes an adjusting bolt 10 threadedly connected to the side wall of the shell 1, one end of the adjusting bolt 10 is located on the inner side of the shell 1 and is limitedly installed with a limiting plate 7, and two symmetrically arranged guide rods 8 are fixedly installed on the side of the limiting plate 7 facing the shell 1, and two guide holes 9 are provided on both side walls of the shell 1, and the four guide rods 8 are slidably installed in adjacent guide holes 9, which have a basic guiding effect to prevent the limiting plate 7 from being offset or tilted.

[0024] In the utility model, the bottom of the two inner side walls of the shell 1 are provided with limiting grooves 3, and the two limiting grooves 3 are both in contact with the base 2, so as to avoid the occurrence of misalignment, so that the power supply can slide on the base 2, and a mounting groove 18 is provided on the surface of the base 2, and the mounting groove 18 is rectangular. Two symmetrically arranged arc-shaped connecting rods 16 are rotatably installed in the mounting groove 18. The arc-shaped design is more convenient and more durable when rotating. Torsion springs 17 are provided at the connection between the two arc-shaped connecting rods 16 and the side walls of the mounting groove 18. The elastic coefficient of the torsion spring 17 is small, and it can be pushed with less force, which will be more convenient when pushing out the power supply. The top ends of the two arc-shaped connecting rods 16 are fixedly installed with the same stopper 15, and the top of the stopper 15 is located outside the mounting groove 18.

[0025] Electrical test methods

[0026] Input voltage range

[0027] a. Technical requirements:

[0028] 1) When the input voltage is within the range of 300VDC to 800VDC, the power supply should be able to output normally.

[0029] 2) The input voltage is within the range of 185VAC to 265VAC, and the power supply should be able to output normally

[0030] b. Test method:

[0031] (1) Set the load to the rated load.

[0032] (2) Adjust the input voltage to the minimum input voltage, rated input voltage, and maximum input voltage. (3) Turn the power on and off repeatedly, and the power supply should start normally.

[0033] Voltage stabilization accuracy

[0034] Technical conditions: Voltage stabilization accuracy shall not exceed ±2%.

[0035] Test method:

[0036] (1) Adjust the load to full load, adjust the input voltage from the minimum input voltage to the maximum input voltage, and measure the output voltage VO1.

[0037] (2) Adjust the input voltage to the rated input voltage, change the load current from minimum load to full load, and measure the output voltage VO2.

[0038] (3) According to the voltage values ​​tested in the above two steps, calculate according to the following formula:

[0039] Voltage regulation accuracy = (V-V0) / VO*100%

[0040] Where: V0——rated output voltage;

[0041] V——V01 and V02, whichever has a larger deviation from V0.

[0042] Load Regulation

[0043] a. Technical requirements: Load adjustment rate shall not exceed ±0.5%.

[0044] b. Test method:

[0045] (1) The input voltage is the rated input voltage, the load is no-load, and the output voltage VO1 is measured;

[0046] (2) The input voltage is the rated input voltage, the load is full load, and the output voltage VO2 is measured;

[0047] (3) Load regulation is calculated using the following formula:

[0048] Voltage regulation accuracy = (V-V0) / VO*100%

[0049] Where: V0——rated output voltage;

[0050] V——V01 and V02, whichever has a larger deviation from V0.

[0051] Input undervoltage protection

[0052] a. Technical requirements: When the input voltage is lower than the lower limit of the input voltage range, the power supply shuts down.

[0053] b. Test method:

[0054] (1) Rated input voltage, rated load, after starting, gradually lower the input voltage. Within the specified undervoltage range, the power supply should shut down and record the input voltage value when shutting down.

[0055] (2) After shutting down, increase the input voltage and the power supply should be able to restart. Record the input voltage value at the time of restart.

[0056] Input overvoltage protection

[0057] a. Technical requirements: When the input voltage is higher than the upper limit of the input voltage range, the power supply shuts down. b. Test method:

[0058] (1) Rated input voltage, rated load, after starting, gradually increase the input voltage. Within the specified overvoltage range, the power supply should shut down and record the input voltage value when shutting down.

[0059] (2) After shutting down, lower the input voltage and the power supply should be able to restart. Record the input voltage value when it restarts.

[0060] The detailed working process of the utility model is as follows:

[0061] Rotate the adjusting bolt 10 to move the limit plate 7 to a suitable position so that the spacing between the two limit plates 7 matches the size of the power supply to be tested, then slide the extended edges on both sides of the bottom of the power supply to be tested into the limit groove 3, and make the two side walls of the power supply to be tested stick to the limit plate 7, push the power supply to be tested to move until one end of the power supply to be tested abuts against the stop block 15, stop pushing the power supply to be tested, start the electric push rod 6, and the detection box 5 descends along the slide groove 4. The pressure plate 13 will first press the outer shell of the power supply to be tested, and then continue to descend so that the detection connector 11 abuts against the connector of the power supply to be tested, thereby starting the detection operation. After the detection is completed, continue to push the power supply to be tested, and the stop block 15 rotates under the action of the thrust, and no longer limits the power supply, so that the power supply can be pushed out completely.

[0062] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An isolated power supply voltage detection device, comprising a housing (1), a base (2) and a detection box (5), characterized in that: The shell (1) is U-shaped and fixedly mounted on the base (2). Two sliders (14) are fixedly mounted on the outer walls of both sides of the detection box (5). Two detection connectors (11) are arranged on the bottom surface of the detection box (5). Two springs (12) are fixedly mounted on both sides of the bottom surface of the detection box (5). The bottom ends of the two springs (12) located on the same side are fixedly mounted with pressure plates (13). The two pressure plates (13) are respectively located on both sides of the detection connector (11). Two slide grooves (4) are provided on the two inner side walls of the shell (1). The four sliders (14) are slidably mounted in adjacent slide grooves (4). An electric push rod (6) is fixedly mounted on the top of the shell (1). The telescopic end of the electric push rod (6) passes through the top of the shell (1) and is fixedly connected to the top of the detection box (5). Limiting mechanisms are arranged on both side walls of the shell (1).

2. The isolated power supply voltage detection device according to claim 1, characterized in that: The limiting mechanism comprises an adjusting bolt (10) threadedly connected to the side wall of the housing (1), one end of the adjusting bolt (10) being located on the inner side of the housing (1) and being limitedly mounted with a limiting plate (7), and two symmetrically arranged guide rods (8) being fixedly mounted on a surface of the limiting plate (7) facing the housing (1).

3. The isolated power supply voltage detection device according to claim 2, characterized in that: Two guide holes (9) are provided on both side walls of the housing (1), and the four guide rods (8) are slidably mounted in adjacent guide holes (9).

4. The isolated power supply voltage detection device according to claim 1, characterized in that: The bottoms of the two inner side walls of the housing (1) are provided with limiting grooves (3), and the two limiting grooves (3) are both in contact with the base (2).

5. The isolated power supply voltage detection device according to claim 1, characterized in that: A mounting groove (18) is provided on the surface of the base (2), the mounting groove (18) is rectangular, two symmetrically arranged arc-shaped connecting rods (16) are rotatably mounted in the mounting groove (18), and torsion springs (17) are provided at the connection points between the two arc-shaped connecting rods (16) and the side walls of the mounting groove (18).

6. The isolated power supply voltage detection device according to claim 5, characterized in that: The top ends of the two arc-shaped connecting rods (16) are fixedly mounted with a same stopper (15), and the top of the stopper (15) is located outside the mounting groove (18).

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