BNC expansion module

Abstract

The utility model provides a BNC expansion module, which comprises a base, a plurality of BNC expansion sub-modules are arranged on the base, a buckle is arranged at the bottom of the base, the buckle is used for being clamped on a track of an electric power monitoring instrument cabinet, each BNC expansion sub-module comprises a BNC connector, a signal input terminal and a signal output terminal, and the signal input terminal and the signal output terminal are respectively connected with the BNC connector. And the BNC connector and the signal output terminal of each BNC expansion sub-module are electrically connected with the signal input terminal on the BNC expansion sub-module. The problem of single signal output of the BNC connector in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to connector technical field, especially a kind of BNC extension module. BACKGROUND

[0002] Power monitoring instrument is the voltage, current, power, power factor and electric energy etc. instrument designed for the power system, industrial and mining enterprises, public facilities, intelligent mansion power monitoring demand, has been widely used in various control systems, SCADA system and energy management system.

[0003] In the fault analysis of power detection instrument, the circuit detection instrument is connected with fault diagnosis system by BNC (Bayonet Nut Connector) connector, to transmit the buffer signal of power detection instrument to fault diagnosis system for fault analysis, but since the current BNC connector only has one path, i.e. one signal input can only have one signal output, when temporary acquisition of the buffer signal of power detection instrument is needed for debugging of power equipment, an additional temporary cable needs to be connected to the power detection instrument to communicate with the test system, which is more complex to operate and causes cable waste, and the cable can easily interfere with the normal signal input to the fault diagnosis system. SUMMARY

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a BNC extension module to solve the problems existing in the prior art.

[0005] To achieve the above-mentioned purpose and other related purposes, the utility model provides a BNC extension module, which comprises a base, a plurality of BNC extension sub-modules are provided on the base, and a buckle is provided on the bottom of the base; each BNC extension sub-module comprises a BNC connector, a signal input terminal and a signal output terminal, and the BNC connector and the signal output terminal of each BNC extension sub-module are electrically connected with the signal input terminal.

[0006] Preferably, the BNC extension sub-module further comprises a circuit board, a first connecting pin, a second connecting pin and a third connecting pin are provided on the circuit board, the second connecting pin and the third connecting pin are connected with the first connecting pin, the signal input terminal is connected with the first connecting pin, the BNC connector is connected with the second connecting pin, and the signal output terminal is connected with the third connecting pin.

[0007] Preferably, the base is provided with a plurality of terminal marks, the plurality of terminal marks are respectively provided with different numbers, and the plurality of terminal marks and the plurality of signal output terminals are one-to-one corresponding.

[0008] Preferably, the base is provided with two BNC expansion sub-modules.

[0009] Preferably, the base is provided with three BNC expansion sub-modules.

[0010] Preferably, the plurality of BNC expansion modules can be spliced with each other.

[0011] As described above, the BNC expansion module has the following beneficial effects: in use, the signal input terminal of the BNC expansion sub-module is connected with the power detection instrument to receive the buffer signal of the power detection instrument, since the BNC connector and the signal output terminal on the BNC expansion sub-module are connected with the signal input terminal, the BNC expansion sub-module can divide the acquired buffer signal of the power detection instrument into two paths and output from the BNC connector and the signal output terminal respectively, one path of the output signal can be connected with the fault diagnosis system through the BNC connector (or the signal output terminal) for long-term fault analysis, and the other path of the signal can be used as a backup, that is, when the buffer signal of the power detection instrument needs to be temporarily acquired, the signal output terminal (or the BNC connector) can be directly connected to acquire the buffer signal, so that when the buffer signal needs to be temporarily acquired, the connection of the temporary cable of the system can be avoided, the waste can be avoided, the cost can be reduced, the stability of the input of the buffer signal to the fault diagnosis system can be ensured, and the two paths of the output signal do not interfere with and affect each other. Meanwhile, the BNC expansion module is provided with a plurality of BNC expansion sub-modules, when a plurality of measurement points are needed, a single BNC expansion sub-module is no longer needed, a plurality of measurement points can be set at one time through the BNC expansion module, and the efficiency of the layout can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 A structure schematic view of the BNC expansion module is shown.

[0013] Figure 2 A side view of the BNC expansion module is shown.

[0014] Figure 3 A structure schematic view of the circuit board is shown.

[0015] Figure 4 A connection principle schematic view of the BNC connector, the signal input terminal and the signal output terminal and the circuit board is shown.

[0016] MARKS

[0017] 10 base

[0018] 101 buckle

[0019] 11 BNC expansion submodule

[0020] 110 BNC connector

[0021] 111 signal input terminal

[0022] 112 signal output terminal

[0023] 113 circuit board

[0024] 1131 first connecting pin

[0025] 1132 second connecting pin

[0026] 1133 third connecting pin DETAILED DESCRIPTION

[0027] The embodiments of the present application will be described in detail with specific examples, and other advantages and effects of the present application can be easily understood by those skilled in the art from the disclosure of the present specification. The present application can also be implemented or applied in other different embodiments, and various modifications or changes can be made to the details in the specification based on different views and applications without departing from the spirit of the present application.

[0028] In the description of the present application, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or connected through intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like in the present application are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0030] Referring to Figures 1 to 4 It is to be explained that the drawings provided in the embodiments only schematically illustrate the basic concept of the utility model, and the drawings only show the components related to the utility model, not the components number, shape and size when actually implemented, the shape, number and proportion of each component when actually implemented can be randomly changed, and the component layout type can be more complex.

[0031] The utility model provides a kind of BNC expansion module, as shown in Figure 1 And Figure 2 The BNC expansion module includes base 10, the base 10 is equipped with multiple BNC expansion submodule 11, the bottom of the base 10 is equipped with buckle 101, the buckle 101 is used to be equipped with in the track of electric power monitoring instrument cabinet, each BNC expansion submodule 11 includes BNC connector 110, signal input terminal 111 and signal output terminal 112, and the BNC connector 110 and signal output terminal 112 of each BNC expansion submodule 11 are electrically connected with signal input terminal 111 on the BNC expansion submodule 11.

[0032] The utility model has the beneficial effects that, when using, the signal input terminal 111 of the BNC expansion submodule 11 is connected with electric power detection instrument to receive the buffer signal of electric power detection instrument, since the BNC connector 110 and signal output terminal 112 on the BNC expansion submodule 11 are connected with signal input terminal 111, the BNC expansion submodule can divide the buffer signal of electric power detection instrument obtained into two ways and output from BNC connector 110 and signal output terminal 112 respectively, one way of output signal can be connected in fault diagnosis system through BNC connector 110 (or signal output terminal 112) to carry out long-term fault analysis, another way of signal can be used as backup, that is, when temporary buffer signal of electric power detection instrument is needed, it can be directly connected with the signal output terminal 112 (or BNC connector 110) to obtain, so that when temporary buffer signal is needed, the connection of system temporary cable can be avoided, waste is avoided, cost is reduced, and the stability of buffer signal input to fault diagnosis system can be ensured, and two ways of output signal do not interfere with and influence each other. Meanwhile, the BNC expansion module of the application is equipped with multiple BNC expansion submodule 11, when multiple measurement points are needed, BNC expansion submodule does not need to be set individually, multiple measurement points can be set at one time through the BNC expansion module, and the efficiency of layout can be improved. And in the case that the number is also many, multiple BNC expansion submodules are set on one base, compared with setting one BNC expansion submodule on one base, the former occupies smaller space.

[0033] Preferably, as shown in Figure 3 AndFigure 4 As shown in the embodiment, the BNC expansion submodule 11 further comprises a circuit board 113, the circuit board 113 is provided with a first connecting pin 1131, a second connecting pin 1132 and a third connecting pin 1133, wherein the second connecting pin 1132 and the third connecting pin 1133 are connected with the first connecting pin 1131, the signal input terminal 111 is connected with the first connecting pin 1131, the BNC connector 110 is connected with the second connecting pin 1132, and the signal output terminal 112 is connected with the third connecting pin 1133. By integrating the BCN connector 110, the signal input terminal 111 and the signal output terminal 112 on a circuit board, the structure is simple and the performance is stable.

[0034] Further, considering that the base 10 is provided with a plurality of BNC expansion submodules, and accordingly has a plurality of signal output terminals, in order to facilitate the distinction of the plurality of signal output terminals 112, in the embodiment, a plurality of terminal marks are further provided on the base 10, the plurality of terminal marks respectively have different numbers, and the plurality of terminal marks correspond to the plurality of signal output terminals 112 one by one. Similarly, in order to facilitate the distinction of the plurality of signal input terminals 111, in the embodiment, a plurality of terminal marks corresponding to the plurality of signal input terminals 111 can also be provided on the base.

[0035] As preferred, as Figure 1 As shown in the embodiment, three BNC expansion submodules 11 are provided on the base 10. Of course, in other optional embodiments, two BNC expansion submodules can be provided on the base 10.

[0036] Specifically, the BNC expansion module of the utility model can not only be used alone, but also can be spliced together to form a set for use according to the needs in actual use. For example, the BNC expansion module with two BNC expansion submodules and the BNC expansion module with three BNC expansion submodules can be spliced together to form an integral whole for use, that is, the combination mode is flexible, and the combination and deployment can be flexibly carried out according to the number of measuring points.

[0037] In summary, the BNC expansion module can realize the multi-channel output of the buffer signal of the power detection instrument, can avoid the connection of the temporary cable of the system, realize the stable output of the signal to the fault analysis system and the temporary output to the test system, and the two do not affect each other. Moreover, the bottom of the base of the BNC expansion module is provided with a buckle, which can be conveniently and quickly installed on the power detection instrument cabinet. Therefore, the utility model effectively overcomes the various shortcomings in the prior art and has high industrial utilization value.

[0038] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. A BNC extension module, characterized by The utility model relates to a BNC signal amplifier, which comprises a base, a plurality of BNC expansion submodules arranged on the base, and a plurality of terminal marks arranged on the base. Each of the BNC expansion submodules comprises a BNC connector, a signal input terminal, and a signal output terminal. The BNC expansion submodule further comprises a circuit board, the circuit board is provided with a first connecting pin, a second connecting pin, and a third connecting pin, the second connecting pin and the third connecting pin are connected to the first connecting pin, the signal input terminal is connected to the first connecting pin, the BNC connector is connected to the second connecting pin, and the signal output terminal is connected to the third connecting pin.

2. A BNC extension module according to claim 1, wherein, The plurality of terminal marks are respectively provided with different numbers, and the plurality of terminal marks and the plurality of signal output terminals are in one-to-one correspondence.

3. The BNC expansion module of claim 1, wherein, The base is provided with two BNC expansion submodules.

4. The BNC expansion module of claim 1, wherein, The base is provided with three BNC expansion submodules.

5. The BNC expansion module of claim 1, wherein, The plurality of BNC expansion submodules can be spliced with each other.

6. The BNC expansion module of claim 1, wherein, ​

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