CN219799586U - Instrument for testing audio output level of recording interface of railway wireless train tuning radio station - Google Patents

Abstract

The utility model discloses an instrument for testing the audio output level of the recording interface of a railway wireless train dispatching station, which includes a casing. The utility model is characterized in that: the casing is fixedly connected to a DC level meter, the casing is fixedly connected to an AC level meter, and the casing is fixedly connected. Wiring strip, the housing is fixedly connected to the aviation plug, the housing is fixedly connected to the power plug, and the housing is fixedly connected to the switch. The utility model relates to the field of testing equipment, specifically, to an instrument for testing the audio output level of a railway wireless train station recording interface. The technical problem to be solved by this utility model is to provide an instrument for testing the audio output level of the recording interface of a railway wireless train dispatching station, which is conducive to determining whether the recording interface of the radio station is good.

Description

An instrument for testing the audio output level of the railway wireless train station recording interface

Technical field

The utility model relates to the field of testing equipment, specifically, to an instrument for testing the audio output level of a railway wireless train station recording interface.

Background technique

Railway wireless train dispatching radio stations, as train equipment, play an important role in train command. As an important means of daily operation monitoring and accident analysis, recording plays a vital role in railway transportation. Therefore, it is particularly important to ensure good use of the recording function. This instrument is an instrument used for daily analysis of recording faults of wireless train dispatching stations. This instrument inputs a fixed audio signal to the radio station and detects the audio output interface signal of the radio station, thereby determining whether the performance of the audio output interface of the radio station is normal, narrowing the scope of the fault, and quickly confirming the fault point.

In practical applications, when a recording failure occurs, unplug the recording cable from the radio recording interface, insert it into the detection connector of the instrument, place the signal generator on the microphone, and read the signal output level from the instrument display. Determine whether the recording interface of the radio station is good, so that the fault scope can be quickly narrowed, the fault point can be accurately located, and the fault delay can be shortened.

Utility model content

The technical problem to be solved by this utility model is to provide an instrument for testing the audio output level of the recording interface of a railway wireless train dispatching station, which is conducive to determining whether the recording interface of the radio station is good.

The utility model adopts the following technical solutions to achieve the purpose of the invention:

An instrument for testing the audio output level of a recording interface of a railway wireless train station, including a casing, which is characterized in that: the casing is fixedly connected to a DC level meter, the casing is fixedly connected to an AC level meter, the casing is fixedly connected to a wiring strip, and the The housing is fixedly connected to the aviation plug, the housing is fixedly connected to the power plug, and the housing is fixedly connected to the switch.

As a further limitation of this technical solution, terminal No. 1 of the terminal block is electrically connected to the green terminal of the terminal block, terminal No. 2 of the terminal block is electrically connected to the brown terminal of the terminal block, and terminal No. 2 of the terminal block is electrically connected to the brown terminal of the terminal block. The No. 3 terminal of the terminal block is electrically connected to the yellow terminal of the terminal block, the No. 4 terminal of the terminal block is electrically connected to the white terminal of the terminal block, and the No. 5 terminal of the terminal block is electrically connected to the terminal block of the terminal block. The black terminal, the No. 6 terminal of the wiring strip is electrically connected to the red terminal of the wiring strip, and the No. 7 terminal of the wiring strip is electrically connected to the blue terminal of the wiring strip.

As a further limitation of this technical solution, the No. 1 terminal of the DC level meter is electrically connected to the No. 3 terminal of the wiring strip, and the No. 2 terminal of the DC level meter is electrically connected to the No. 1 terminal of the wiring strip. Terminal No. 7, the No. 7 terminal of the DC level meter is electrically connected to one end of the switch, and the No. 8 terminal of the DC level meter is electrically connected to the N terminal of the power plug.

As a further limitation of this technical solution, the No. 1 terminal of the AC level meter is electrically connected to the No. 2 terminal of the wiring strip, and the No. 2 terminal of the AC level meter is electrically connected to the No. 1 terminal of the wiring strip. Terminal No. 7, the No. 7 terminal of the AC level meter is electrically connected to one end of the switch, and the No. 8 terminal of the AC level meter is electrically connected to the N terminal of the power plug.

As a further limitation of this technical solution, the No. 1 terminal of the aviation plug is electrically connected to the yellow terminal of the wiring strip, and the No. 3 terminal of the aviation plug is electrically connected to the green terminal and the blue terminal of the wiring strip, The No. 4 terminal of the aviation plug is electrically connected to the brown terminal of the wiring strip.

As a further limitation of this technical solution, the other end of the switch is electrically connected to the L terminal of the power plug.

As a further limitation of this technical solution, the housing is made of metal material.

As a further limitation of this technical solution, the housing is provided with a set of evenly distributed ventilation slots.

Compared with the existing technology, the advantages and positive effects of this utility model are:

Currently, there is no instrument for testing the audio output interface of wireless train dispatching stations. This instrument is an instrument for daily analysis of recording faults of wireless train dispatching stations. This instrument inputs a fixed audio signal to the radio station and detects the audio output interface signal of the radio station, thereby determining whether the performance of the audio output interface of the radio station is normal, narrowing the scope of the fault, and quickly confirming the fault point.

Description of the drawings

Figure 1 is a schematic diagram of the three-dimensional structure of the present utility model.

Figure 2 is the second schematic diagram of the three-dimensional structure of the present utility model.

Figure 3 is a schematic diagram of the three-dimensional structure of the utility model.

Figure 4 is a circuit schematic diagram of the present utility model.

In the picture: 1. DC level meter, 2. AC level meter, 3. Wiring strip, 4. Aviation plug, 5. Power plug, 6. Shell, 7. Switch.

Detailed ways

Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present utility model is not limited by the specific embodiments.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention. The invention and simplified description do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation on the invention.

The terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection. Connected, it can also be connected indirectly through an intermediary, or it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the creation of the present invention can be understood through specific situations.

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 invention. Rather, the scope of the invention is defined by the appended claims. For the sake of simplicity, the following embodiments describe the terminology and structure of this system. However, the embodiments to be described next are not limited to this system, but can be applied to any other applicable systems.

The utility model includes a shell 6. The shell 6 is fixedly connected to the DC level meter 1. The shell 6 is fixedly connected to the AC level meter 2. The shell 6 is fixedly connected to the wiring strip 3. The shell 6 is fixedly connected to the aviation plug 4. The housing 6 is fixedly connected to the power plug 5 , and the housing 6 is fixedly connected to the switch 7 .

Terminal No. 1 of the terminal block 3 is electrically connected to the green terminal of the terminal block 3, terminal No. 2 of the terminal block 3 is electrically connected to the brown terminal of the terminal block 3, and terminal No. 3 of the terminal block 3 is electrically connected. The terminal is electrically connected to the yellow terminal of the terminal block 3, the No. 4 terminal of the terminal block 3 is electrically connected to the white terminal of the terminal block 3, and the No. 5 terminal of the terminal block 3 is electrically connected to the terminal block. 3's black terminal, No. 6 terminal of the wiring strip 3 is electrically connected to the red terminal of the wiring strip 3, and No. 7 terminal of the wiring strip 3 is electrically connected to the blue terminal of the wiring strip 3.

In Figure 4, the terminals in the green position of terminal block 3 are green terminals, the terminals in the brown position of terminal block 3 are brown terminals, the terminals in the yellow position of terminal block 3 are yellow terminals, and the terminals in the white position of terminal block 3 are marked The terminals are white terminals, the terminals in the black position of terminal block 3 are black terminals, the terminals in the red position of terminal block 3 are red terminals, and the terminals in the blue position of terminal block 3 are blue terminals.

Terminal No. 1 of the DC level meter 1 is electrically connected to terminal No. 3 of the wiring strip 3, and terminal No. 2 of the DC level meter 1 is electrically connected to terminal No. 1 and terminal 7 of the wiring strip 3. Terminal No. 7 of the DC level meter 1 is electrically connected to one end of the switch 7 , and terminal No. 8 of the DC level meter 1 is electrically connected to the N terminal of the power plug 5 .

Terminal No. 1 of the AC level meter 2 is electrically connected to terminal No. 2 of the wiring strip 3, and terminal No. 2 of the AC level meter 2 is electrically connected to terminal No. 1 and terminal 7 of the wiring strip 3, Terminal No. 7 of the AC level meter 2 is electrically connected to one end of the switch 7 , and terminal No. 8 of the AC level meter 2 is electrically connected to the N terminal of the power plug 5 .

The No. 1 terminal of the aviation plug 4 is electrically connected to the yellow terminal of the wiring strip 3, and the No. 3 terminal of the aviation plug 4 is electrically connected to the green terminal and the blue terminal of the wiring strip 3. The aviation plug Terminal 4 of 4 is electrically connected to the brown terminal of terminal block 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 metal material.

The housing 6 is provided with a set of evenly distributed ventilation slots 8 .

The model of the DC level meter 1 is OHR-D300, DC.

The model of the AC level meter 2 is OHR-D300, AC.

The model of the wiring strip 3 is a single-sided PCB, 10*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 applications, when a recording failure occurs, unplug the recording cable from the radio recording interface, insert it into the aviation plug 4 of the instrument, place the signal generator on the microphone, and remove the signal from the instrument. The signal output level is read on the display, the DC level meter 1 reads the control level, and the AC level meter 2 reads the audio level to determine whether the radio recording interface is good, so that the fault scope can be quickly narrowed, the fault point can be accurately locked, and shortened Failure delay.

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 disclosed subject matter. Thus, appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Additionally, 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 invention. 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 invention as defined by the appended claims. Additionally, in the detailed description of the exemplary embodiments, numerous specific details are set forth to provide a comprehensive understanding of the claimed invention. However, it will be understood by those skilled in the art that various embodiments may be practiced without these specific details.

Although features and elements of these exemplary embodiments are described in particular combinations in the embodiments, each feature and element may be used alone without the other features and elements of the embodiments or in combination with those disclosed herein. Other features and elements may or may not be used in combination.

This written description uses examples, including the best mode, to disclose the invention, and also to enable any person skilled in the art to practice the invention, including making and utilizing any devices or systems and performing any incorporated methods. The patentable scope of the invention is defined by the claims, and may include other examples that occur to those skilled in the art. Such other examples are deemed to be included in the claim if they have structural elements that do not differ from the literal language of the claim, or if they include structural elements equivalent to those recited in the literal language of the claim. within the scope of protection.

Claims (8)

1. An instrument for testing the audio output level of the railway wireless train station recording interface, including the outer shell (6), which is characterized by: The housing (6) is fixedly connected to the DC level meter (1), the housing (6) is fixedly connected to the AC level meter (2), the housing (6) is fixedly connected to the wiring strip (3), and the housing (6) is fixedly connected to the AC level meter (2). The aviation plug (4) is fixedly connected, the housing (6) is fixedly connected to the power plug (5), and the housing (6) is fixedly connected to the switch (7). 2. The instrument for testing the audio output level of the recording interface of the railway wireless train dispatching station according to claim 1, characterized in that: the No. 1 terminal of the wiring strip (3) is electrically connected to the terminal of the wiring strip (3). The green terminal, the No. 2 terminal of the terminal block (3) is electrically connected to the brown terminal of the terminal block (3), and the No. 3 terminal of the terminal block (3) is electrically connected to the terminal block of the terminal block (3). The yellow terminal, the No. 4 terminal of the terminal block (3) is electrically connected to the white terminal of the terminal block (3), and the No. 5 terminal of the terminal block (3) is electrically connected to the terminal block of the terminal block (3). The black terminal, the No. 6 terminal of the wiring strip (3) is electrically connected to the red terminal of the wiring strip (3), and the No. 7 terminal of the wiring strip (3) is electrically connected to the wiring strip (3). Blue terminal. 3. The instrument for testing the audio output level of the railway wireless train station recording interface according to claim 2, characterized in that: the No. 1 terminal of the DC level meter (1) is electrically connected to the wiring strip (3) The No. 3 terminal of the DC level meter (1) is electrically connected to the No. 1 terminal and the No. 7 terminal of the wiring strip (3). The No. 7 terminal of the DC level meter (1) is electrically connected. One end of the switch (7) is connected, and the No. 8 terminal of the DC level meter (1) is electrically connected to the N terminal of the power plug (5). 4. The instrument for testing the audio output level of the railway wireless train station recording interface according to claim 2, characterized in that: terminal No. 1 of the AC level meter (2) is electrically connected to the wiring strip (3) The No. 2 terminal of the AC level meter (2) is electrically connected to the No. 1 terminal and the No. 7 terminal of the wiring strip (3). The No. 7 terminal of the AC level meter (2) is electrically connected. One end of the switch (7) is connected, and the No. 8 terminal of the AC level meter (2) is electrically connected to the N terminal of the power plug (5). 5. The instrument for testing the audio output level of the railway wireless train station recording interface according to claim 2, characterized in that: the No. 1 terminal of the aviation plug (4) is electrically connected to the terminal strip (3). The yellow terminal, the No. 3 terminal of the aviation plug (4) is electrically connected to the green terminal and the blue terminal of the wiring strip (3), and the No. 4 terminal of the aviation plug (4) is electrically connected to the wiring strip. (3) brown terminal. 6. The instrument for testing the audio output level of the railway wireless train station recording interface according to claim 1, characterized in that: the other end of the switch (7) is electrically connected to the L terminal of the power plug (5) . 7. The instrument for testing the audio output level of the railway wireless train station recording interface according to claim 1, characterized in that: the outer casing (6) is made of metal material. 8. The instrument for testing the audio output level of the railway wireless train station recording interface according to claim 1, characterized in that the housing (6) is provided with a set of evenly distributed ventilation slots (8).