CN219799586U - Instrument for testing audio output level of recording interface of railway wireless train tuning radio station - Google Patents
Instrument for testing audio output level of recording interface of railway wireless train tuning radio station Download PDFInfo
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- CN219799586U CN219799586U CN202320538854.XU CN202320538854U CN219799586U CN 219799586 U CN219799586 U CN 219799586U CN 202320538854 U CN202320538854 U CN 202320538854U CN 219799586 U CN219799586 U CN 219799586U
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 239000007769 metal material Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000005236 sound signal Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model discloses an instrument for testing the audio output level of a recording interface of a railway wireless train-tuning radio station, which comprises a shell and is characterized in that: the direct current level meter is fixedly connected with the shell, the alternating current level meter is fixedly connected with the shell, the connection wire row is fixedly connected with the shell, the aviation plug is fixedly connected with the shell, the power plug is fixedly connected with the shell, and the switch is fixedly connected with the shell. The utility model relates to the field of test equipment, in particular to an instrument for testing the audio output level of a recording interface of a railway wireless train dispatching station. The utility model aims to solve the technical problem of providing an instrument for testing the audio output level of a radio station recording interface of a railway wireless train dispatching, which is favorable for judging whether the radio station recording interface is good or not.
Description
Technical Field
The utility model relates to the field of test equipment, in particular to an instrument for testing the audio output level of a recording interface of a railway wireless train dispatching station.
Background
The railway wireless train dispatching station is used as driving equipment and plays an important role in driving command. Recording is an important means for monitoring daily operations and analyzing accidents, and plays a vital role in railway transportation. Therefore, ensuring good use of the recording function is particularly important. The instrument is an instrument for daily analysis of recording faults of wireless train-tuning radio stations. The instrument detects the radio audio output interface signal by inputting a fixed audio signal to the radio, thereby judging whether the performance of the radio audio output interface is normal, reducing the fault range and rapidly confirming the fault point.
In practical application, when the record trouble occurs, pull out the record line from the radio station record interface, insert the detection joint of this instrument, put signal generator on the microphone, read signal output level from the instrument display, judge whether the radio station record interface is good to can reduce the fault range rapidly, the accurate lock fault point shortens the fault delay.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an instrument for testing the audio output level of a radio station recording interface of a railway wireless train dispatching, which is favorable for judging whether the radio station recording interface is good or not.
The utility model adopts the following technical scheme to realize the aim of the utility model:
the instrument for testing the audio output level of the recording interface of the railway wireless train-tuning radio station comprises a shell and is characterized in that: the direct current level meter is fixedly connected with the shell, the alternating current level meter is fixedly connected with the shell, the connection wire row is fixedly connected with the shell, the aviation plug is fixedly connected with the shell, the power plug is fixedly connected with the shell, and the switch is fixedly connected with the shell.
As a further limitation of the technical scheme, the No. 1 terminal of the wiring row is electrically connected with the green terminal of the wiring row, the No. 2 terminal of the wiring row is electrically connected with the brown terminal of the wiring row, the No. 3 terminal of the wiring row is electrically connected with the yellow terminal of the wiring row, the No. 4 terminal of the wiring row is electrically connected with the white terminal of the wiring row, the No. 5 terminal of the wiring row is electrically connected with the black terminal of the wiring row, the No. 6 terminal of the wiring row is electrically connected with the red terminal of the wiring row, and the No. 7 terminal of the wiring row is electrically connected with the blue terminal of the wiring row.
As a further limitation of the technical scheme, the No. 1 terminal of the direct current level meter is electrically connected with the No. 3 terminal of the wiring row, the No. 2 terminal of the direct current level meter is electrically connected with the No. 1 terminal and the No. 7 terminal of the wiring row, the No. 7 terminal of the direct current level meter is electrically connected with one end of the switch, and the No. 8 terminal of the direct current level meter is electrically connected with the N terminal of the power plug.
As a further limitation of the technical scheme, the No. 1 terminal of the ac level meter is electrically connected with the No. 2 terminal of the wiring row, the No. 2 terminal of the ac level meter is electrically connected with the No. 1 terminal and the No. 7 terminal of the wiring row, the No. 7 terminal of the ac level meter is electrically connected with one end of the switch, and the No. 8 terminal of the ac level meter is electrically connected with the N terminal of the power plug.
As a further limitation of the technical scheme, the No. 1 terminal of the aviation plug is electrically connected with the yellow terminal of the wiring row, the No. 3 terminal of the aviation plug is electrically connected with the green terminal and the blue terminal of the wiring row, and the No. 4 terminal of the aviation plug is electrically connected with the brown terminal of the wiring row.
As a further limitation of the present technical solution, the other end of the switch is electrically connected to the L terminal of the power plug.
As a further limitation of the present technical solution, the housing is made of a metal material.
As a further limitation of the present solution, the housing is provided with a set of evenly distributed ventilation slots.
Compared with the prior art, the utility model has the advantages and positive effects that:
at present, an instrument without a test wireless train-tuning radio audio output interface is used for daily analysis of recording faults of the wireless train-tuning radio. The instrument detects the radio audio output interface signal by inputting a fixed audio signal to the radio, thereby judging whether the performance of the radio audio output interface is normal, reducing the fault range and rapidly confirming the fault point.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective view of a second embodiment of the present utility model.
Fig. 3 is a schematic perspective view of the third embodiment of the present utility model.
Fig. 4 is a schematic circuit diagram of the present utility model.
In the figure: 1. the direct current level meter, 2, the alternating current level meter, 3, the wiring row, 4, aviation plug, 5, power plug, 6, shell, 7, switch.
Detailed Description
The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.
In the description of the utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the utility model.
The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present utility model can be understood by those of ordinary skill in the art in a specific case.
The following description of exemplary embodiments refers to the accompanying drawings. The same reference numbers in different drawings identify the same or similar elements. The following detailed description does not limit the utility model. Rather, the scope of the utility model is defined by the appended claims. For simplicity, the following embodiments are described with respect to terms and structures of the present system, however, the embodiments to be described next are not limited to this system, but are applicable to any other system that can be applied.
The utility model comprises a shell 6, wherein the shell 6 is fixedly connected with a direct current level meter 1, the shell 6 is fixedly connected with an alternating current level meter 2, the shell 6 is fixedly connected with a wiring row 3, the shell 6 is fixedly connected with an aviation plug 4, the shell 6 is fixedly connected with a power plug 5, and the shell 6 is fixedly connected with a switch 7.
The terminal 1 of the wiring row 3 is electrically connected with the green terminal of the wiring row 3, the terminal 2 of the wiring row 3 is electrically connected with the brown terminal of the wiring row 3, the terminal 3 of the wiring row 3 is electrically connected with the yellow terminal of the wiring row 3, the terminal 4 of the wiring row 3 is electrically connected with the white terminal of the wiring row 3, the terminal No. 5 of the wiring row 3 is electrically connected with the black terminal of the wiring row 3, the terminal No. 6 of the wiring row 3 is electrically connected with the red terminal of the wiring row 3, and the terminal No. 7 of the wiring row 3 is electrically connected with the blue terminal of the wiring row 3.
In fig. 4, the terminal of the wiring row 3 marked with green position is a green terminal, the terminal of the wiring row 3 marked with brown position is a brown terminal, the terminal of the wiring row 3 marked with yellow position is a yellow terminal, the terminal of the wiring row 3 marked with white position is a white terminal, the terminal of the wiring row 3 marked with black position is a black terminal, the terminal of the wiring row 3 marked with red position is a red terminal, and the terminal of the wiring row 3 marked with blue position is a blue terminal.
The No. 1 terminal of direct current level table 1 is electrically connected with the No. 3 terminal of wiring row 3, the No. 2 terminal of direct current level table 1 is electrically connected with the No. 1 terminal and the No. 7 terminal of wiring row 3, the No. 7 terminal of direct current level table 1 is electrically connected with one end of switch 7, the No. 8 terminal of direct current level table 1 is electrically connected with the N terminal of power plug 5.
The No. 1 terminal of the ac level meter 2 is electrically connected with the No. 2 terminal of the wiring row 3, the No. 2 terminal of the ac level meter 2 is electrically connected with the No. 1 terminal and the No. 7 terminal of the wiring row 3, the No. 7 terminal of the ac level meter 2 is electrically connected with one end of the switch 7, and the No. 8 terminal of the ac level meter 2 is electrically connected with the N terminal of the power plug 5.
The No. 1 terminal of aviation plug 4 is electrically connected with the yellow terminal of wiring row 3, the No. 3 terminal of aviation plug 4 is electrically connected with the green terminal and the blue terminal of wiring row 3, the No. 4 terminal of aviation plug 4 is electrically connected with the brown terminal of wiring row 3.
The other end of the switch 7 is electrically connected to the L terminal of the power plug 5.
The housing 6 is made of a metal material.
The housing 6 is provided with a set of evenly distributed ventilation slots 8.
The model of the direct current level meter 1 is OHR-D300 and DC.
The model of the alternating current level table 2 is OHR-D300 and AC.
The type of the wiring row 3 is a single-sided PCB, and the size of the wiring row is 10 x 15cm.
The model of the aviation plug 4 is AL16-K5T.
The model of the power plug 5 is SP-506A,10A250V.
The workflow of this embodiment is: in practical application, when the record fault occurs, the record line is pulled out from the record interface of the radio station, the aviation plug 4 of the instrument is inserted, the signal generator is placed on the microphone, the signal output level is read from the instrument display, the control level is read from the direct current level meter 1, the audio level is read from the alternating current level meter 2, and whether the record interface of the radio station is good or not is judged, so that the fault range can be rapidly reduced, the fault point can be accurately locked, and the fault delay is shortened.
Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the subject matter disclosed. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that this description is not intended to limit the utility model. On the contrary, the exemplary embodiments are intended to cover alternatives, modifications and equivalents, which may be included within the spirit and scope of the utility model as defined by the appended claims. Furthermore, in the detailed description of the exemplary embodiments, numerous specific details are set forth in order to provide a thorough understanding of the claimed utility model. It will be understood by those skilled in the art, however, that the various embodiments may be practiced without these specific details.
Although the features and elements of the exemplary embodiments are described in the embodiments in particular combinations, each feature and element can be used alone without the other features and elements of the embodiments or in combination or without the other features and elements disclosed herein.
This written description uses examples to disclose the utility model, including the best mode, and also to enable any person skilled in the art to practice the utility model, including making and using any devices or systems and performing any incorporated methods. The patentable scope of the utility model is defined by the claims, and may include other examples that occur to those skilled in the art. Such other examples are intended to be within the scope of the claims if they have structural elements that do not differ from the literal language of the claims, or if they include equivalent structural elements with the structural elements recited in the literal language of the claims.
Claims (8)
1. The instrument for testing the audio output level of the recording interface of the railway wireless train-tuning radio station comprises a shell (6) and is characterized in that:
the direct current level meter is characterized in that the shell (6) is fixedly connected with the direct current level meter (1), the shell (6) is fixedly connected with the alternating current level meter (2), the shell (6) is fixedly connected with the wiring row (3), the shell (6) is fixedly connected with the aviation plug (4), the shell (6) is fixedly connected with the power plug (5), and the shell (6) is fixedly connected with the switch (7).
2. The meter for testing the audio output level of a recording interface of a railway radio train dispatching station of claim 1, wherein: the wiring board is characterized in that the No. 1 terminal of the wiring board (3) is electrically connected with the green terminal of the wiring board (3), the No. 2 terminal of the wiring board (3) is electrically connected with the brown terminal of the wiring board (3), the No. 3 terminal of the wiring board (3) is electrically connected with the yellow terminal of the wiring board (3), the No. 4 terminal of the wiring board (3) is electrically connected with the white terminal of the wiring board (3), the No. 5 terminal of the wiring board (3) is electrically connected with the black terminal of the wiring board (3), the No. 6 terminal of the wiring board (3) is electrically connected with the red terminal of the wiring board (3), and the No. 7 terminal of the wiring board (3) is electrically connected with the blue terminal of the wiring board (3).
3. The meter for testing the audio output level of a recording interface of a railway radio train dispatching station of claim 2, wherein: the direct current level meter (1) is characterized in that the No. 1 terminal is electrically connected with the No. 3 terminal of the wiring row (3), the No. 2 terminal of the direct current level meter (1) is electrically connected with the No. 1 terminal and the No. 7 terminal of the wiring row (3), the No. 7 terminal of the direct current level meter (1) is electrically connected with one end of the switch (7), and the No. 8 terminal of the direct current level meter (1) is electrically connected with the N terminal of the power plug (5).
4. The meter for testing the audio output level of a recording interface of a railway radio train dispatching station of claim 2, wherein: the power plug comprises a power plug (5) and is characterized in that a No. 1 terminal of an alternating current level meter (2) is electrically connected with a No. 2 terminal of a wiring row (3), a No. 2 terminal of the alternating current level meter (2) is electrically connected with a No. 1 terminal and a No. 7 terminal of the wiring row (3), a No. 7 terminal of the alternating current level meter (2) is electrically connected with one end of the switch (7), and a No. 8 terminal of the alternating current level meter (2) is electrically connected with the N terminal of the power plug.
5. The meter for testing the audio output level of a recording interface of a railway radio train dispatching station of claim 2, wherein: the yellow terminal of wiring row (3) is connected to aviation plug (4) 1 number terminal electric connection, aviation plug (4) 3 number terminal electric connection wiring row (3) green terminal and blue terminal, aviation plug (4) 4 number terminal electric connection wiring row (3) brown terminal.
6. The meter for testing the audio output level of a recording interface of a railway radio train dispatching station of claim 1, wherein: the other end of the switch (7) is electrically connected with the L terminal of the power plug (5).
7. The meter for testing the audio output level of a recording interface of a railway radio train dispatching station of claim 1, wherein: the shell (6) is made of metal materials.
8. The meter for testing the audio output level of a recording interface of a railway radio train dispatching station of claim 1, wherein: the housing (6) is provided with a set of evenly distributed ventilation slots (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320538854.XU CN219799586U (en) | 2023-03-20 | 2023-03-20 | Instrument for testing audio output level of recording interface of railway wireless train tuning radio station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320538854.XU CN219799586U (en) | 2023-03-20 | 2023-03-20 | Instrument for testing audio output level of recording interface of railway wireless train tuning radio station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219799586U true CN219799586U (en) | 2023-10-03 |
Family
ID=88181287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320538854.XU Active CN219799586U (en) | 2023-03-20 | 2023-03-20 | Instrument for testing audio output level of recording interface of railway wireless train tuning radio station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219799586U (en) |
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2023
- 2023-03-20 CN CN202320538854.XU patent/CN219799586U/en active Active
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