Test rapid switching power supply application device
By designing a test-fast switching power supply application device including a battery, an empty switch and a meter, the problems of inconvenient power supply switching and inaccurate test results in existing test applications are solved, and high-efficiency power supply connection and accurate test results are achieved.
Patent Information
- Application Number
- CN202421136841.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-23
AI Technical Summary
In existing test applications, the power supply is directly connected by a battery. The DC 12V/24V power supply switching requires separate wiring, and the battery capacity cannot be observed, resulting in unstable supply voltage and inaccurate test results.
A test-fast switching power supply application device is designed, including two batteries, dual-channel empty switches, single empty switches, voltmeters and ammeters. Through the connection of these components, rapid switching between 12V and 24V can be achieved, and voltage, current and power parameters can be monitored in real time.
It realizes high-efficiency connection during the test process, can freely switch different power supply voltages, monitor the actual status of the equipment under test, improves the efficiency of the test power supply connection method, and ensures the accuracy of the test results.
Smart Images
Figure CN222563550U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power supply, in particular to a testing and fast switching power supply application device. Background Art
[0002] With national policies and global development trends, new energy vehicles are developing by leaps and bounds, and the requirements for automotive products, services, cross-border data management, etc. are getting higher and higher. How to better expand the global market share and improve the quality and performance of products has become a problem that the automotive industry needs to think about.
[0003] In existing test applications, the power supply is directly connected to the battery. Separate wiring is required when switching between DC 12V / 24V power supply, and the battery power cannot be observed. The unstable power supply voltage can easily cause inaccurate test results. Therefore, it is extremely inconvenient to use only the battery for direct power supply testing. Using a power supply for direct power supply can easily cause interference signals in the test, resulting in abnormal and inaccurate test results.
[0004] Therefore, it is necessary to provide a new test fast switching power supply application device to solve the above technical problems. Utility Model Content
[0005] The technical problem solved by the utility model is to provide a test and fast switching power supply application device which has low manufacturing cost, low maintenance cost, simple operation and can clearly observe the voltage, current and power parameters of the equipment.
[0006] In order to solve the above technical problems, the utility model provides a test fast switching power supply application device including: two batteries, a first dual-circuit circuit breaker, a second dual-circuit circuit breaker, a single-circuit circuit breaker, a voltmeter and an ammeter, wherein one of the batteries is connected to the single-circuit circuit breaker and the first dual-circuit circuit breaker, the first dual-circuit circuit breaker is connected to the second dual-circuit circuit breaker and another of the batteries, the second dual-circuit circuit breaker is connected to another of the batteries, the first dual-circuit circuit breaker is connected to one end of the ammeter, the other end of the ammeter is connected to one end of the voltmeter, and the negative pole of the battery, the other end of the voltmeter, one end of the single-circuit circuit breaker and one end of the first dual-circuit switch are all grounded.
[0007] Preferably, both ends of the voltmeter and both ends of the single-circuit circuit breaker are provided with binding posts.
[0008] Preferably, the maximum range of the ammeter is 30A, and the maximum range of the voltmeter is 30V.
[0009] Preferably, the voltage of the battery is 12V.
[0010] Compared with the related art, the test fast switching power supply application device provided by the utility model has the following beneficial effects:
[0011] The utility model provides a test fast switching power supply application device, which can realize high-efficiency connection during the test process and free switching between different power supply voltages in standard requirements and product needs. After adopting this device, not only the efficiency of the test power supply connection method will be greatly improved, but also the actual state of the device under test can be monitored at the same time, such as the actual voltage, current, power and other parameters in the test. The utility model is used to test CISPR25, GB / T 18655 and other standards, and provides a portable power supply for testing electromagnetic radiation and conducted interference in the 9kHz-6GHz frequency band. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 A circuit diagram of a test fast switching power supply application device provided by the utility model;
[0013] Figure 2 A schematic diagram of the structure of the test fast switching power supply application device provided by the utility model;
[0014] Figure 3 for Figure 2 The side view structural diagram is shown.
[0015] Numbers in the figure: 1. Battery, 2. First double-circuit circuit breaker, 3. Second double-circuit circuit breaker, 4. Single-circuit circuit breaker, 5. Ammeter, 6. Voltmeter, 7. Terminals, 8. Power supply box. DETAILED DESCRIPTION
[0016] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0017] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A circuit diagram of a test fast switching power supply application device provided by the utility model; Figure 2 A schematic diagram of the structure of the test fast switching power supply application device provided by the utility model; Figure 3 for Figure 2 The side view structural schematic diagram is shown. The test fast switching power supply application device includes: two batteries 1, a first dual-circuit circuit breaker 2, a second dual-circuit circuit breaker 3, a single-circuit circuit breaker 4, a voltmeter 6 and an ammeter 5, wherein one of the batteries 1 is connected to the single-circuit circuit breaker 3 and the first dual-circuit circuit breaker 2, the first dual-circuit circuit breaker 2 is connected to the second dual-circuit circuit breaker 3 and another battery 1, the second dual-circuit circuit breaker 3 is connected to another battery 1, the first dual-circuit circuit breaker 2 is connected to one end of the ammeter 5, the other end of the ammeter 5 is connected to one end of the voltmeter 6, and the negative pole of the battery 1, the other end of the voltmeter 6, one end of the single-circuit circuit breaker 4 and one end of the first dual-circuit circuit breaker 2 are all grounded.
[0018] Both ends of the voltmeter and the single-circuit circuit breaker 4 are provided with binding posts 7 .
[0019] The maximum range of the ammeter 5 is 30A, and the maximum range of the voltmeter 6 is 30V.
[0020] The voltage of the battery 1 is 12V.
[0021] The two batteries 1 are provided with a same power supply box 8 outside. The outer shell of the power supply box 8 is made of high-strength PVC resin material. There are words on the shell for marking. It is equipped with two high-precision instruments, an ammeter 5 and a voltmeter 6. The ammeter 5 supports a maximum current of 30A, and the voltmeter 6 supports a maximum voltage of 30V. It can monitor the parameters of the equipment in real time and can meet the conventional DC12V / 24V test. Two 12V batteries 1 (different battery specifications can be matched) are assembled inside, and the two batteries 1 are connected in series with a cable to achieve 24V power supply. During the test, 12V and 24V can be switched at will, which is convenient and fast.
[0022] According to the standard requirements, the negative pole of the battery is grounded at the front and back. When the equipment needs to be grounded, the effectiveness and convenience of grounding can be achieved by quick twisting or plugging.
[0023] Compared with the related art, the test fast switching power supply application device provided by the utility model has the following beneficial effects:
[0024] The utility model provides a test fast switching power supply application device, which can realize high-efficiency connection during the test process and free switching between different power supply voltages in standard requirements and product needs. After adopting this device, not only the efficiency of the test power supply connection method will be greatly improved, but also the actual state of the device under test can be monitored at the same time, such as the actual voltage, current, power and other parameters in the test. The utility model is used to test CISPR25, GB / T 18655 and other standards, and provides a portable power supply for testing electromagnetic radiation and conducted interference in the 9kHz-6GHz frequency band.
[0025] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A device for testing fast switching power supply application, characterized in that: include: Two batteries, a first dual-circuit circuit breaker, a second dual-circuit circuit breaker, a single-circuit circuit breaker, a voltmeter and an ammeter, wherein one of the batteries is connected to the single-circuit circuit breaker and the first dual-circuit circuit breaker, the first dual-circuit circuit breaker is connected to the second dual-circuit circuit breaker and another of the batteries, the second dual-circuit circuit breaker is connected to another of the batteries, the first dual-circuit circuit breaker is connected to one end of the ammeter, the other end of the ammeter is connected to one end of the voltmeter, and the negative pole of the battery, the other end of the voltmeter, one end of the single-circuit circuit breaker and one end of the first dual-circuit switch are all grounded.
2. The test fast switching power supply application device according to claim 1, characterized in that: Both ends of the voltmeter and both ends of the single-circuit circuit breaker are provided with binding posts.
3. The test fast switching power supply application device according to claim 1, characterized in that: The maximum range of the ammeter is 30A, and the maximum range of the voltmeter is 30V.
4. The test fast switching power supply application device according to claim 1, characterized in that: The voltage of the battery is 12V.