Bus adaptive resistor module

Abstract

The utility model relates to a bus adaptive resistor module which is characterized by consisting of an electric control wire clamping seat (1), a resistor switching shell (2), a resistor circuit board (3), an electric control switching cover (4) and mounting screws (5), wherein the electric control adapter cover (4) is clamped with an inverted matching hole (23) of the resistor adapter shell (2) through an adapter cover inverted buckle (41), and the resistor circuit board (3) is fastened in the electric control adapter cover (4) to form the resistor adapter module (6); the resistance adaptation module (6) is matched with a rotating shaft matching hole (13) of the electric control wire clamping seat (1) through an adapter shell rotating shaft (21), so that an opening and closing function can be realized; a mounting screw (5) is inserted into a center hole of the resistance adaptive module (6) and is in threaded fit with an embedded nut (15) of the electric control wire clamping seat (1), and the whole module can be formed after the mounting screw (5) is screwed down; the bus tail end matched resistor for the field bus control system does not need higher technical level of implementation personnel, is very easy to install, and can greatly improve the implementation efficiency and the operation stability of the field bus control system.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bus adaptation resistance module in fieldbus control system. BACKGROUND

[0002] The statements in this part only provide background technical information related to the utility model and do not necessarily constitute prior art.

[0003] In fieldbus control system, in order to guarantee communication quality, impedance matching needs to be done to the end of bus line. In the past implementation process, it is usually necessary to purchase high-power cement resistance and directly weld it at the end of bus line, but due to the different technical levels of implementers, the welding effect cannot be consistent, and there are certain hidden dangers for a long time, which can cause unstable communication of fieldbus control system, and in serious cases, it can cause the entire system to be paralyzed, so with the wide application of fieldbus control system, it is particularly necessary to develop a bus adaptation resistance module that does not require high technical requirements, can be installed by everyone, and is very easy to install. UTILITY MODEL CONTENTS

[0004] Based on the above and the deficiencies of the existing structure, the utility model provides a bus adaptation resistance module for the bus end matching resistance of fieldbus control system, which can be installed without high technical level of implementers, and is very easy to install, which can greatly improve the implementation efficiency and operation stability of fieldbus control system.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A bus adaptation resistance module is characterized by being composed of an electric control wire holder (1), a resistance adapter shell (2), a resistance circuit board (3), an electric control adapter cover (4) and a mounting screw (5); wherein the electric control adapter cover (4) is clamped with the reverse buckle matching hole (23) of the resistance adapter shell (2) through the adapter cover reverse buckle (41), the resistance circuit board (3) is fastened therein to form a resistance adaptation module (6); the resistance adaptation module (6) is matched with the rotating shaft matching hole (13) of the electric control wire holder (1) through the adapter shell rotating shaft (21), and the opening and closing function can be realized; the mounting screw (5) is inserted into the center hole of the resistance adaptation module (6), and is matched with the embedded nut (15) of the electric control wire holder (1) to form a threaded connection, and after being tightened, the whole module is formed;

[0007] Wherein the electric control line card seat (1) is provided with a bus line slot (12), the resistance adaptation module (6) is lifted along the rotating shaft sliding groove (14), the cable which is consistent with the cross section shape of the bus line slot (12) is placed, the thread cooperation of the installation screw (5) and the embedded nut (15) is formed, the installation screw (5) is tightened, the copper needle (32) on the resistance circuit board (3) in the resistance adaptation module (6) can be pushed to pierce the bus cable, and electric connection is realized;

[0008] Wherein the electric control line card seat (1) is provided with a module mounting hole (11), which is convenient to install on the equipment;The embedded nut (15) provided thereon is made of metal material and is embedded into the electric control line card seat (1) by integral die casting;

[0009] Wherein the resistance circuit board (3) is welded with a high-power adaptation resistance (31);

[0010] Wherein the electric control line card seat (1), the resistance adapter shell (2) and the electric control adapter cover (4) are all made of fireproof plastic material;The material of the electric control adapter cover (4) is added with laser color powder, so that laser engraving can be realized.

[0011] The utility model relates to a bus terminal matching resistance of field bus control system, relative to the mode that high -power cement resistance is directly welded to the bus cable, the utility model scheme can not need the implementation personnel to have higher technical level, and very good installation can greatly improve the implementation efficiency and operating stability of field bus control system. DRAWINGS

[0012] In order to make the purpose, technical scheme and advantage of the utility model clearer, the utility model will be further described below in combination with drawings, wherein:

[0013] Figure 1 It is the general assembly diagram of the utility model

[0014] Figure 2 It is the open state diagram of the utility model

[0015] Figure 3 It is the general assembly explosion diagram of the utility model

[0016] In the drawing: electric control line card seat (1);Module mounting hole (11);Bus line slot (12);Rotating shaft cooperation hole (13);Rotating shaft sliding groove (14);Embedded nut (15);Resistance adapter shell (2);Adapter shell rotating shaft (21);Copper needle cooperation hole (22);Reverse buckle cooperation hole (23);Resistance circuit board (3);Adaptation resistance (31);Piercing copper needle (32);Electric control adapter cover (4);Adapter cover reverse buckle (41);Installation screw (5);Resistance adaptation module (6). DETAILED DESCRIPTION

[0017] The specific embodiments of the present application will be described below in conjunction with the drawings, in order to make the purpose, technical solutions and advantages of the present application more clear and apparent, the present application will be described in further detail below in conjunction with the drawings and specific implementation cases. It should be understood that the specific embodiments described herein are only intended to explain the present application, but not to limit the present application. The present application can be implemented without some of these specific details for those skilled in the art. The following description of the embodiments is only to provide a better understanding of the present application by presenting examples of the present application.

[0018] It should be noted that in this paper, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the elements defined by the statement "include" do not exclude the presence of other identical elements in the process, method, article or equipment including the elements.

[0019] It should be noted that the terms "upper", "lower", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present patent.

[0020] It should also be noted that unless otherwise explicitly specified and limited, the terms "set", "mount", "connect", "connect", "fit" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between 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.

[0021] The technical solutions adopted by the present application are as follows:

[0022] For example, Figure 1 And Figure 2As shown in the figure, a bus adaptation resistance module is characterized in that it is composed of an electric control line holder (1), a resistance adapter shell (2), a resistance circuit board (3), an electric control adapter cover (4) and a mounting screw (5); the electric control adapter cover (4) is clamped with the reverse buckling matching hole (23) of the resistance adapter shell (2) through the adapter cover reverse buckling (41), and the resistance circuit board (3) is fastened therein to form a resistance adaptation module (6); the resistance adaptation module (6) is matched with the rotating shaft matching hole (13) of the electric control line holder (1) through the adapter shell rotating shaft (21), and the opening and closing function can be realized; the mounting screw (5) is inserted into the center hole of the resistance adaptation module (6) and matched with the embedded nut (15) of the electric control line holder (1) in the form of threads, and after being tightened, the whole module is formed.

[0023] As shown in the figure, Figure 3 The electric control line holder (1) is provided with a bus line slot (12), the resistance adaptation module (6) is lifted along the rotating shaft sliding groove (14), the cable with the same cross-sectional shape as the bus line slot (12) is placed, the thread formed by the mounting screw (5) and the embedded nut (15) is tightened, the copper needle (32) on the resistance circuit board (3) in the resistance adaptation module (6) is pierced to realize electrical connection; the electric control line holder (1) is provided with a module mounting hole (11) for easy installation on the equipment; the embedded nut (15) is made of metal material and is embedded in the electric control line holder (1) by integral die casting; the high-power adaptation resistance (31) is welded on the resistance circuit board (3);

[0024] The electric control line holder (1), the resistance adapter shell (2) and the electric control adapter cover (4) are all made of fireproof plastic material; the material of the electric control adapter cover (4) is added with laser color powder to realize laser engraving;

[0025] The utility model discloses a bus end matching resistance for field bus control system, relative to the mode that the high -power cement resistance is directly welded to the bus cable, the utility model scheme can not need the implementation personnel to have higher technical level, and very good installation can greatly improve the implementation efficiency and operating stability of field bus control system.

[0026] The above describes the specific embodiment of the utility model in combination with the drawings, but is not limited to the protection scope of the utility model, and those skilled in the art should understand that various modifications or deformations made by those skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A bus-adapting resistance module, characterized by The device is composed of an electric control line holder (1), a resistance adapter shell (2), a resistance circuit board (3), an electric control adapter cover (4) and a mounting screw (5). The electric control adapter cover (4) is clamped with the reverse-docking hole (23) of the resistance adapter shell (2) through the reverse-docking (41) to fasten the resistance circuit board (3) and form a resistance adapter module (6); the resistance adapter module (6) is matched with the rotating shaft hole (13) of the electric control line holder (1) through the adapter shell rotating shaft (21) to realize the opening and closing function; the mounting screw (5) is inserted into the center hole of the resistance adapter module (6) and matched with the embedded nut (15) of the electric control line holder (1) to form a whole module after being screwed.

2. A bus-adapting resistance module according to claim 1, characterized in that The electric control line holder (1) is provided with a bus line slot (12), the resistance adapter module (6) is lifted along the rotating sliding groove (14), the cable with the same cross-sectional shape as the bus line slot (12) is placed, the thread formed by the mounting screw (5) and the embedded nut (15) is screwed, the mounting screw (5) is tightened to push the piercing copper needle (32) on the resistance circuit board (3) in the resistance adapter module (6) to pierce the bus cable and realize the electrical connection.

3. A bus-adapting resistance module according to claim 1, characterized in that The electric control line holder (1) is provided with a module mounting hole (11) for convenient installation on the equipment; the embedded nut (15) is made of metal and embedded in the electric control line holder (1) by one-piece die casting.

4. The bus-adapting resistor module of claim 1, wherein, The resistance circuit board (3) is welded with a high-power adaptive resistance (31).

5. The bus adaptation resistor module of claim 1, wherein, The electric control line holder (1), the resistance adapter shell (2) and the electric control adapter cover (4) are made of fireproof plastic material; the material of the electric control adapter cover (4) is added with laser color powder to realize laser engraving.

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