CN218995487U

CN218995487U - Oscilloscope with power supply

Info

Publication number: CN218995487U
Application number: CN202223063782.2U
Authority: CN
Inventors: 苏朋辉
Original assignee: Shandong Yunhai Guochuang Cloud Computing Equipment Industry Innovation Center Co Ltd
Current assignee: Shandong Yunhai Guochuang Cloud Computing Equipment Industry Innovation Center Co Ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-09
Anticipated expiration: 2032-11-18

Abstract

The utility model provides an oscilloscope with a self-contained power supply, which comprises an alternating current module, an oscilloscope electrically connected with the alternating current module through a first power supply path, and a power supply module arranged in the oscilloscope and arranged on a second power supply path, wherein the power supply input end of the power supply module is electrically connected with the output end of the alternating current module, and the power supply output end of the power supply module is electrically connected with the power supply input end of the oscilloscope.

Description

Oscilloscope with power supply

Technical Field

The utility model relates to the field of oscilloscope testing, in particular to an oscilloscope with a self-powered power supply.

Background

The oscilloscope is a common test device in the test work of a daily server, and is generally powered directly by using alternating current 220V voltage and internally converted into a required working voltage.

At present, an oscilloscope is directly connected with a power grid for 220V, the actual testing environment is relatively complex in the use process of the oscilloscope, the oscilloscope is often required to be connected with other testing equipment through a power strip and the like, and therefore the use of the other testing equipment in the testing process can influence the testing waveform of the oscilloscope and influence the accuracy of the testing result. For example, when the power supply noise test is performed, the waveform interference can be caused by turning off an electric soldering iron beside the power supply noise test, the result of the power supply noise test is affected, and the oscilloscope is powered by only one power supply path, so that the power supply reliability is relatively low.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model innovatively provides the oscilloscope with the power supply, and the power supply of the oscilloscope is completed through the power supply module arranged in the oscilloscope on the second power supply path, so that the oscilloscope and other test equipment are separated from each other and cannot be interfered by the other test equipment, and in addition, the second power supply path is independent from the existing first power supply path, so that the reliability of the power supply of the oscilloscope is improved.

The utility model provides an oscilloscope with a power supply, which comprises an alternating current module, an oscilloscope electrically connected with the alternating current module through a first power supply path, and a power supply module arranged on a second power supply path and arranged in the oscilloscope, wherein the power supply input end of the power supply module is electrically connected with the output end of the alternating current module, and the power supply output end of the power supply module is electrically connected with the power supply input end of the oscilloscope, and the first power supply path is connected with the second power supply path in parallel.

Optionally, the power module comprises a battery submodule, a power input end of the battery submodule is electrically connected with a power output end of the alternating current module, and a power output end of the battery submodule is electrically connected with a power input end of the oscilloscope.

Further, the power supply module further comprises a first power supply conversion sub-module and a second power supply conversion sub-module, wherein the power supply input end of the first power supply conversion sub-module is electrically connected with the power supply output end of the alternating current module, and the power supply output end of the first power supply conversion sub-module is electrically connected with the power supply input end of the battery sub-module; the power input end of the second power conversion sub-module is electrically connected with the power output end of the battery sub-module, and the power output end of the second power conversion sub-module is electrically connected with the power input end of the oscilloscope.

Optionally, the output voltage of the alternating current module is 220V.

Further, the battery sub-module is a lithium battery.

Further, the charging voltage of the lithium battery is 12V.

Optionally, the first power supply path further includes a first switch, one end of the first switch is electrically connected with the power output end of the alternating current module, and the other end of the first switch is electrically connected with the power input end of the oscilloscope.

Optionally, the second power supply path further comprises a second switch and a third switch, one end of the second switch is electrically connected with the power output end of the power module, and the other end of the second switch is electrically connected with the power input end of the oscilloscope; one end of the third switch is electrically connected with the power output end of the alternating current module, and the other end of the third switch is electrically connected with the power input end of the power module.

Optionally, the power module further comprises an indication sub-module, and a power input end of the indication sub-module is electrically connected with a power output end of the battery sub-module.

Further, the indication sub-module is a light emitting diode.

The technical scheme adopted by the utility model comprises the following technical effects:

the utility model provides the oscilloscope with the power supply, and the power supply to the oscilloscope is completed through the power supply module arranged in the oscilloscope on the second power supply path, so that the oscilloscope is separated from other test equipment and cannot be interfered by the other test equipment, and the second power supply path is independent of the existing first power supply path, thereby improving the reliability of power supply of the oscilloscope.

The power supply module in the technical scheme of the utility model comprises a battery sub-module, a first power supply conversion sub-module and a second power supply conversion sub-module, so that the charging and discharging of the power supply module can be realized.

According to the technical scheme, the first switch on the first power supply path, the second switch on the second power supply path and the third switch are included, so that the charge and discharge of the first path can be controlled, and the charge and discharge on the second power supply path can be controlled respectively.

The power supply module in the technical scheme of the utility model further comprises an indication sub-module, wherein the power supply input end of the indication sub-module is electrically connected with the power supply output end of the battery sub-module, so that the indication of whether the battery sub-module can discharge or not can be realized.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

Drawings

For a clearer description of embodiments of the utility model or of the solutions of the prior art, reference will be made to the accompanying drawings, which are used in the description of the embodiments or of the prior art, and it will be obvious to those skilled in the art that other drawings can be obtained from these without inventive labour.

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

fig. 2 is a schematic diagram of another embodiment of the present utility model.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily obscure the present utility model.

Example 1

As shown in fig. 1-2, the utility model provides an oscilloscope with a power supply, which comprises an alternating current module 11, an oscilloscope 13 electrically connected with the alternating current module 11 through a first power supply path 12, and a power supply module 15 arranged on a second power supply path 14 and arranged inside the oscilloscope 13, wherein the power supply input end of the power supply module 15 is electrically connected with the output end of the alternating current module 11, and the power supply output end of the power supply module 15 is electrically connected with the power supply input end of the oscilloscope 13, and the first power supply path 12 is connected with the second power supply path 14 in parallel.

The power module 15 includes a battery sub-module 151, a power input end of the battery sub-module 151 is electrically connected with a power output end of the ac module 11, and a power output end of the battery sub-module 151 is electrically connected with a power input end of the oscilloscope 13.

Further, the power module 15 further includes a first power conversion sub-module 152 and a second power conversion sub-module 153, wherein a power input end of the first power conversion sub-module 152 is electrically connected with a power output end of the ac module 11, and a power output end of the first power conversion sub-module 152 is electrically connected with a power input end of the battery sub-module 151; the power input end of the second power conversion sub-module 153 is electrically connected to the power output end of the battery sub-module 151, and the power output end of the second power conversion sub-module 153 is electrically connected to the power input end of the oscilloscope 13.

Specifically, the output voltage of the ac module 11 may be 220V, the battery sub-module 151 is a lithium battery, and the charging voltage of the lithium battery is 12V. That is, the first power conversion sub-module 152 is configured to convert 220V of the ac power module 11 into 12V of dc power of the battery sub-module 151, and may be implemented by using a power conversion module of Jin Shengyang, and the model may be LH10-23B12R2, the input ac voltage ranges from 85V to 302V, the output dc voltage is 12V, the output current is 900mA at the maximum, the output terminal is connected to the battery sub-module 151 in the power module 15, and is configured to charge the battery sub-module 151, and the capacity of the battery sub-module 151 may be selected according to the power consumption of the oscilloscope. The battery sub-module 151 may be a lithium battery for storing electricity, and the voltage of the lithium battery is 12V. The second power conversion sub-module 153 is used for converting the direct current 12V in the battery sub-module 151 into an alternating current 220V circuit and supplying power to the oscilloscope, the second power conversion sub-module 153 can be realized by selecting a power conversion module of Shanghai responsibility permission electronics technology manufacturer, the model can be ZY300-12S220J, the input direct current voltage is 12V, the output alternating current is 220V, the power is 300W, a smaller power model module can be selected according to different oscilloscopes, preferably, because the power module 15 is large in size, the power module 15 parts can be independently packaged together and connected with the oscilloscopes through a common three-hole socket power line, the oscilloscopes 14 is supplied with power by the battery sub-module 151 in the power module 15 in normal use, and the energy of the battery sub-module 151 is output through the second power conversion sub-module 153 and supplies power to the oscilloscopes 14 through a three-hole power line. The first power conversion sub-module 152 and the second power conversion sub-module 153 may also be implemented by a conversion circuit, which is not limited herein.

Further, the first power supply path 12 further includes a first switch K1, one end of the first switch K1 is electrically connected to the power output end of the ac module 11, and the other end is electrically connected to the power input end of the oscilloscope 13.

The second power supply path 14 includes, in addition to the power supply module 15, a second switch K2 and a third switch K3, where one end of the second switch K2 is electrically connected to the power output end of the second power conversion sub-module 153 in the power supply module 15, and the other end is electrically connected to the power input end of the oscilloscope 13; one end of the third switch K3 is electrically connected to the power output end of the ac module 11, and the other end is electrically connected to the power input end of the first power conversion sub-module 152 in the power module 15.

Preferably, the power module 15 further includes an indication sub-module 154, and a power input terminal of the indication sub-module 154 is electrically connected with a power output terminal of the battery sub-module 151.

Specifically, the indicating sub-module 154 may be a light emitting diode, the power state of the battery sub-module 151 is fed back through the battery state indicator, the indicating sub-module 154 may be located on the surface of the power module 15, a voltage dividing resistor (not shown in the figure, the voltage dividing value of the voltage dividing resistor may be less than 11.3V, so that the voltage division of the light emitting diode is greater than the on voltage of 0.7V) is connected in series between the battery sub-module 151 and the indicating sub-module 154, after the voltage division voltage of the indicating sub-module 154 reaches the on voltage of the light emitting diode, the indicating sub-module 154 is lightened, and the battery sub-module 151 in the power module 15 may be used to supply power to the oscilloscope; after the divided voltage of the indicating sub-module 154 does not reach the turn-on voltage of the light emitting diode, the indicating sub-module 154 is turned off, and the battery sub-module 151 in the power module 15 cannot be used for supplying power to the oscilloscope; at this time, the battery sub-module 151 is charged through the third switch K3. The third switch K3 may be turned off after the battery submodule 151 is charged, and the battery submodule 151 continues to supply power to the oscilloscope 13. That is, when the amount of power of the battery sub-module 151 in the power supply module 15 on the second power supply path 14 is insufficient to supply power to the oscilloscope 14 (i.e., the indication sub-module 154 is not lightened, and the output voltage of the battery sub-module 151 is insufficient), the ac power module 11 may supply power to the oscilloscope 13 through the first power supply path 12 by opening the second switch K2 and closing the first switch K1, while closing the third switch K3, so that the ac power module 11 charges the battery sub-module 151 in the power supply module 15; when the power of the battery sub-module 151 in the power module 15 on the second power supply path 14 can supply power to the oscilloscope 14 (i.e. the indication sub-module 154 is lightened, and the output voltage 12V of the battery sub-module 151 is stable), the first switch K1 can be opened by closing the second switch K2, so that the ac power module 11 provides power to the oscilloscope 13 through the second power supply path 14.

While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.

Claims

1. The oscilloscope with the power supply comprises an alternating current module and an oscilloscope electrically connected with the alternating current module through a first power supply path, and is characterized by further comprising a power supply module arranged in the oscilloscope and arranged on a second power supply path, wherein the power supply input end of the power supply module is electrically connected with the output end of the alternating current module, and the power supply output end of the power supply module is electrically connected with the power supply input end of the oscilloscope, and the first power supply path and the second power supply path are connected in parallel.

2. The oscilloscope of claim 1 wherein said power module comprises a battery sub-module, said battery sub-module having a power input electrically connected to a power output of an ac power module, said battery sub-module having a power output electrically connected to a power input of the oscilloscope.

3. The oscilloscope with power supply according to claim 2, wherein the power supply module further comprises a first power supply conversion sub-module and a second power supply conversion sub-module, the power supply input end of the first power supply conversion sub-module is electrically connected with the power supply output end of the alternating current module, and the power supply output end of the first power supply conversion sub-module is electrically connected with the power supply input end of the battery sub-module; the power input end of the second power conversion sub-module is electrically connected with the power output end of the battery sub-module, and the power output end of the second power conversion sub-module is electrically connected with the power input end of the oscilloscope.

4. The oscilloscope with a power supply according to claim 2, wherein the output voltage of the ac module is 220V.

5. The self-contained power oscilloscope of claim 4 wherein said battery submodule is a lithium battery.

6. The self-contained power oscilloscope of claim 5 wherein said lithium battery has a charge voltage of 12V.

7. A self-powered oscilloscope according to any one of claims 1-3 wherein said first power path further comprises a first switch having one end electrically connected to the power output of the ac module and the other end electrically connected to the power input of the oscilloscope.

8. An oscilloscope with a power supply according to any one of claims 1-3, wherein said second power supply path further comprises a second switch and a third switch, one end of said second switch is electrically connected to the power supply output end of the power supply module, and the other end is electrically connected to the power supply input end of the oscilloscope; one end of the third switch is electrically connected with the power output end of the alternating current module, and the other end of the third switch is electrically connected with the power input end of the power module.

9. The oscilloscope of claim 2 wherein said power module further comprises an indicator sub-module, said indicator sub-module having a power input electrically connected to a power output of said battery sub-module.

10. The oscilloscope of claim 9 wherein said indicator sub-module is a light emitting diode.