CN220983732U - Switching time measuring device of bidirectional inverter power supply - Google Patents
Switching time measuring device of bidirectional inverter power supply Download PDFInfo
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- CN220983732U CN220983732U CN202322705323.8U CN202322705323U CN220983732U CN 220983732 U CN220983732 U CN 220983732U CN 202322705323 U CN202322705323 U CN 202322705323U CN 220983732 U CN220983732 U CN 220983732U
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Abstract
The utility model belongs to the technical field of electronic circuits, and discloses a switching time measuring device of a bidirectional inverter power supply, which comprises an alternating current source, a direct current source, a control processing assembly, an oscilloscope and a resistive load, wherein the alternating current source is connected with an alternating current input end of the bidirectional inverter power supply, the direct current source is connected with a direct current input end of the bidirectional inverter power supply, an output end of the bidirectional inverter power supply is connected with the resistive load, the oscilloscope is connected with an output end of the bidirectional inverter power supply, the control processing assembly is connected with the alternating current source, the direct current source and the oscilloscope, the oscilloscope is used for collecting output waveform data of the bidirectional inverter power supply, and the control processing assembly is used for controlling the alternating current source and the direct current source and processing the output waveform data of the bidirectional inverter power supply. The utility model has the beneficial effects that: the device has a simple structure, and can test the switching time of the bidirectional inverter power supply in the automatic test system, thereby improving the test efficiency.
Description
Technical Field
The utility model relates to the technical field of electronic circuits, in particular to a switching time measuring device of a bidirectional inverter power supply.
Background
UPS (Uninterruptible Power System), i.e. uninterruptible power supply, is a constant voltage and constant frequency uninterruptible power supply comprising an energy storage device and an inverter as a main component. The system is mainly used for providing uninterrupted power supply for a single computer, a computer network system or other power electronic equipment. When the mains supply is normally input, the UPS stabilizes the mains supply and supplies the power to the load for use, and the UPS is an alternating current mains supply stabilizer and charges an internal battery. When the commercial power is interrupted (accident power failure), the UPS immediately supplies 220V alternating current to the load by using an inversion conversion method, so that the load keeps normal work and soft and hardware of the load are protected from damage, and UPS equipment generally provides protection for both oversized voltage and too low voltage.
The conversion time of the bidirectional inverter power supply refers to the time required by switching the bidirectional inverter power supply from the mains supply to the battery supply state, and in the automatic test, the switching time of the bidirectional inverter power supply needs to be known quickly, and whether the bidirectional inverter power supply to be tested is qualified or not is judged within the qualified time, so that the conversion time is an important technical parameter of a bidirectional inverter power supply product, and the accuracy, the convenience and the like of a measuring device of the switching time of the bidirectional inverter power supply have very important influences on the testing efficiency of the bidirectional inverter power supply.
Therefore, it is necessary to provide a switching time measuring device for a bi-directional inverter, which can test the switching time of the bi-directional inverter in an automatic test system, thereby improving the efficiency of the test.
Disclosure of utility model
The utility model discloses a switching time measuring device of a bidirectional inverter power supply, which can effectively solve the technical problems related to the background technology.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
The utility model provides a switching time measuring device of two-way inverter, includes alternating current source, direct current source, control processing subassembly, oscilloscope and resistive load, alternating current source is connected with the alternating current input of two-way inverter, direct current source is connected with the direct current input of two-way inverter, and the output of two-way inverter is connected resistive load, the oscilloscope is connected at the output of two-way inverter, control processing subassembly with alternating current source direct current source with the oscilloscope is connected, the oscilloscope is used for gathering two-way inverter's output waveform data, control processing subassembly is used for controlling alternating current source with direct current source to handle two-way inverter's output waveform data.
Specifically, the automatic switching time measuring device of the bidirectional inverter power supply comprises an alternating current source, a direct current source, a control Processing Component (PC), an oscilloscope and a resistive load. The alternating current source is used for supplying power to alternating current input of the bidirectional inverter power supply; the direct current source is used for supplying power to the direct current input of the bidirectional inverter power supply; the resistive load is used for simulating a resistive load condition; the PC is used for controlling an alternating current source, a direct current source, an oscilloscope and processing data; the oscilloscope is used for acquiring waveform data of the output voltage of the bidirectional inverter power supply. The device automatically measures the switching time of the bidirectional inverter power supply, thereby improving the testing efficiency.
As a preferred improvement of the present utility model: the alternating current source model is CHROMA 6560.
As a preferred improvement of the present utility model: the direct current source model is ITECH IT6522D.
As a preferred improvement of the present utility model: the oscilloscope model is KEYSIGHT DSOX 2014A.
As a preferred improvement of the present utility model: and the control processing component is connected with the alternating current source, the direct current source and the oscilloscope by adopting USB communication.
As a preferred improvement of the present utility model: the control processing component comprises a computer.
As a preferred improvement of the present utility model: the bidirectional inverter power supply outputs alternating current.
As a preferred improvement of the present utility model: the oscilloscope is connected with the output end of the bidirectional inverter power supply through the passive voltage probe.
The beneficial effects of the utility model are as follows:
The control processing component is used for controlling the alternating current source, the direct current source and the oscilloscope, so that the rapid measurement of the bidirectional inverter power supply is automatically performed, the manual intervention during automatic test is avoided, the test efficiency is further improved, and the measurement result is accurate.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram of a switching time measurement device of a bi-directional inverter according to the present utility model;
FIG. 2 is a schematic diagram of a test flow according to the present utility model;
Fig. 3 is a schematic diagram of ac output waveform data of a bi-directional inverter.
In the figure: 1-alternating current source, 2-direct current source, 3-control processing assembly, 4-oscilloscope, 5-resistive load.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
Referring to fig. 1, the present utility model provides a switching time measurement device for a bidirectional inverter, which includes an ac source 1, a dc source 2, a control processing component 3, an oscilloscope 4, and a resistive load 5, where the ac source 1 is connected to an ac input end of the bidirectional inverter, the dc source 2 is connected to a dc input end of the bidirectional inverter, an output end of the bidirectional inverter is connected to the resistive load 5, the oscilloscope 4 is connected to an output end of the bidirectional inverter, the control processing component 3 is connected to the ac source 1, the dc source 2, and the oscilloscope 4 is used to collect voltage output waveform data of the bidirectional inverter, and the control processing component 3 is used to control the ac source 1 and the dc source 2, and process the voltage output waveform data of the bidirectional inverter.
Specifically, the ac source 1 simulates commercial power to provide ac input for the bidirectional inverter, the dc source 2 simulates a battery to provide dc input for the bidirectional inverter, the control processing component 3 controls the ac source 1, the dc source 2 and the oscilloscope 4, obtains data of the oscilloscope 4 to process the data, the oscilloscope 4 obtains output voltage waveform data of the bidirectional inverter, the control processing component 3 controls the ac source 1 and the dc source 2 to turn on and off, thereby simulating the condition of power failure of the commercial power, and the oscilloscope 4 obtains output voltage waveform of the bidirectional inverter, thereby obtaining time required for switching the ac power supply to the dc power supply.
As an embodiment, the ac source 1 is a model number of a CHROMA 6560, the dc source 2 is a model number of ITECH IT6522D, and the oscilloscope 4 is a model number of KEYSIGHT DSOX 2014A. The control processing component 3 comprises a computer (PC), the control processing component 3 is connected with the alternating current source 1, the direct current source 2 and the oscilloscope 4 by adopting USB communication, the power-on and power-off of the alternating current source 1 and the direct current source 2 are controlled through USB protocol communication lines, the data of the oscilloscope 4 are obtained, and the collected data are processed. The oscilloscope 4 is connected with the output end of the bidirectional inverter power supply through a passive voltage probe, one end of the passive voltage probe is connected with the output end of the bidirectional inverter power supply, and the other end of the passive voltage probe is connected with the oscilloscope 4. It should be further noted that other components are adopted to achieve the above effects, and should be within the scope of the present utility model.
Example 1
The utility model provides a switching time automatic measuring device of two-way invertion power supply, the power-on of AC source 1 and DC source 2 is controlled through the PC, then after the output of two-way invertion power supply is stable, the PC controls AC source 1 outage, the output is kept for two-way invertion power supply by DC source 2 this moment, in the clearance that AC source 1 outage and by DC source 2 supply, two-way invertion power supply's output has the transient voltage to drop and restart, the output voltage waveform of two-way invertion power supply is gathered through oscilloscope 4 this moment, the data of oscilloscope 4 are handled again to the PC, the switching time of two-way invertion power supply is measured, and then can the rapid test obtain the result.
Referring to fig. 2, a flow chart of an automatic measurement device for switching time of a bi-directional inverter is shown, wherein the test flow includes starting, powering up an ac source and a dc source, powering down the ac source, and collecting output waveform data of the bi-directional inverter by an oscilloscope, powering up the ac source and the dc source, providing ac input to the bi-directional inverter for an ac source analog utility power, and providing dc input to the bi-directional inverter by a dc source analog battery, so that the bi-directional inverter is in a working state. The alternating current source is powered off, the alternating current input of the bidirectional inversion is disconnected, and the alternating current source is switched into a direct current source to supply power to the bidirectional inversion power supply. The oscillograph collects voltage waveforms (shown in fig. 3) when the bidirectional inverter power supply is switched, the PC acquires waveform data through the USB protocol communication oscillograph to analyze and process the waveform data, and the PC judges whether the switching time of the bidirectional inverter power supply is qualified or not through the processed data. According to the utility model, the PC is used for controlling the AC source, the DC source and the oscilloscope, so that the rapid measurement of the bidirectional inverter power supply is automatically performed, the manual intervention during automatic test is avoided, and the test efficiency is further improved.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (8)
1. The switching time measuring device of a kind of two-way inverter, characterized by that: including alternating current source (1), direct current source (2), control processing component (3), oscilloscope (4) and resistive load (5), alternating current source (1) is connected with the alternating current input of two-way inverter, direct current source (2) are connected with the direct current input of two-way inverter, and the output of two-way inverter is connected resistive load (5), oscilloscope (4) are connected at the output of two-way inverter, control processing component (3) with alternating current source (1) direct current source (2) with oscilloscope (4) are connected, oscilloscope (4) are used for gathering the output waveform data of two-way inverter, control processing component (3) are used for controlling alternating current source (1) with direct current source (2) to handle the output waveform data of two-way inverter.
2. The switching time measurement device of a bi-directional inverter according to claim 1, wherein: the model of the alternating current source (1) is CHROMA 6560.
3. The switching time measurement device of a bi-directional inverter according to claim 1, wherein: the model number of the direct current source (2) is ITECHIT6522D.
4. The switching time measurement device of a bi-directional inverter according to claim 1, wherein: the model number of the oscilloscope (4) is KEYSIGHT DSOX 2014A.
5. The switching time measurement device of a bi-directional inverter according to claim 1, wherein: the control processing component (3) is connected with the alternating current source (1), the direct current source (2) and the oscilloscope (4) in a USB communication mode.
6. The switching time measurement device of a bi-directional inverter according to claim 1, wherein: the control processing component (3) comprises a computer.
7. The switching time measurement device of a bi-directional inverter according to claim 1, wherein: the bidirectional inverter power supply outputs alternating current.
8. The switching time measurement device of a bi-directional inverter according to claim 1, wherein: the oscilloscope (4) is connected with the output end of the bidirectional inverter power supply through a passive voltage probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322705323.8U CN220983732U (en) | 2023-10-10 | 2023-10-10 | Switching time measuring device of bidirectional inverter power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322705323.8U CN220983732U (en) | 2023-10-10 | 2023-10-10 | Switching time measuring device of bidirectional inverter power supply |
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| Publication Number | Publication Date |
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| CN220983732U true CN220983732U (en) | 2024-05-17 |
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| CN202322705323.8U Active CN220983732U (en) | 2023-10-10 | 2023-10-10 | Switching time measuring device of bidirectional inverter power supply |
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| CN (1) | CN220983732U (en) |
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- 2023-10-10 CN CN202322705323.8U patent/CN220983732U/en active Active
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