Isolated power converter for transmission system
Technical Field
The utility model relates to the technical field of rail car conveying systems, in particular to an isolated power supply converter for a conveying system.
Background
The rail car conveying system is controlled by the control center in a centralized way, automatic pairing can be realized between the shuttle car and the converter in a local area network corresponding to the converter, after pairing is finished, the intelligent shuttle car automatically reports information such as position, state, target position and the like to the control center, and the control center automatically adjusts the turnout position according to the state of each shuttle car in the network and sends commands to the shuttle car and the like. The rail car transportation system requires a large number of electrical components, one of which is the isolated power converter.
In the related art, the installation of the isolated power supply converter is generally clamped on the installation track, the elastic buckle of the isolated power supply converter is utilized to carry out clamping connection, and the elastic buckle is pulled and the isolated power supply converter is installed on the installation track when the isolated power supply converter is installed. The installation mode has the defects that when the isolated power converters are installed and removed, both hands are needed to operate, one hand is used for picking up the isolated power converters, the other hand is used for pulling the elastic buckle, and the efficiency is low when the isolated power converters are installed in batches.
Disclosure of utility model
The present utility model is directed to an isolated power converter for a transmission system, so as to solve the above-mentioned problems in the prior art.
The utility model provides a technical scheme that the isolation power supply converter for a transmission system comprises a shell, wherein a clamping seat and a hole seat are arranged on the back surface of the shell, a sliding connection rod is inserted into the hole seat, a movable clamping seat is arranged at the lower end of the sliding connection rod, and a spring is sleeved on the surface of the sliding connection rod;
The clamping strip is fixedly connected to the upper surface and the lower surface of the fixed seat, and grooves matched with the clamping strip in size are formed in the surfaces of the clamping seat and the movable clamping seat;
The movable clamping seat is pushed by the spring to be connected with the fixed seat, so that the shell is ensured not to fall off from the fixed seat due to vibration, and the installation stability is better.
Furthermore, the surface of the shell is provided with three wire holders, and the surface of the wire holders is connected with six conducting strips for realizing the input and output of the isolated power converter.
Further, shell internally mounted has power module and communication module, and power module and communication module pass through isolation module electric connection, connection terminal and isolation module electric connection, communication module adopts CAN communication, has stronger interference killing feature, improves rail car conveying system's stability.
Compared with the prior art, the utility model has the beneficial effects that the clamping seat and the movable clamping seat are clamped with the clamping strip on the fixed seat, the movable clamping seat can move up and down under the action of the sliding connecting rod, when the shell is held by one hand, the movable clamping seat is clamped with the clamping strip, then the shell is pressed down, so that the fixed seat is aligned with the clamping strip, the shell is loosened, the fixed seat is clamped with the clamping strip under the action of the spring, the installation can be realized by one hand, and two isolated power converters can be simultaneously installed by two hands, so that the installation efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a connection structure of a wire holder and a conductive sheet according to the present utility model;
FIG. 2 is a side cross-sectional view of the present utility model;
Fig. 3 is a schematic circuit diagram of the present utility model.
The power supply device comprises a shell, a wiring seat, a conductive sheet, a clamping seat, a movable clamping seat, a hole seat, a locking cap, a spring, a sliding connection rod, a fixing seat, a fixing hole, a clamping strip, a communication module, a power supply module and a power supply module, wherein the wiring seat, the clamping seat, the wiring seat, the conductive sheet, the clamping seat, the movable clamping seat, the hole seat, the locking cap, the spring, the sliding connection rod, the fixing seat, the fixing hole, the clamping strip, the communication module and the power supply module.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
Referring to fig. 1-3, the utility model provides a technical scheme that an isolated power converter for a transmission system comprises a shell 1, wherein a clamping seat 4 and a hole seat 6 are arranged on the back surface of the shell 1, a sliding connection rod 9 is inserted into the hole seat 6, a movable clamping seat 5 is arranged at the lower end of the sliding connection rod 9, and a spring 8 is sleeved on the surface of the sliding connection rod 9;
The spring 8 is used for keeping the connection between the movable clamping seat 5 and the clamping strip 12, so that the shell 1 cannot easily fall off the fixed seat 10, and the fixed seat 10 and the shell 1 are convenient to disassemble;
The fixing base 10, fixed surface is connected with joint strip 12 about the fixing base 10, joint seat 4 and activity cassette 5 surface are equipped with the recess that matches with joint strip 12 size, and fixing base 10 and joint strip 12 are the spill setting, and the convenient to use screw is installed fixedly to fixing base 10.
In this embodiment, as shown in fig. 1 and 3, three wire holders 2 are disposed on the surface of the housing 1, six conductive plates 3 are connected to the surface of the wire holders 2, the three conductive plates 3 on the left side are a, b, c in turn from top to bottom, the three conductive plates 3 on the right side are d, e, f in turn from top to bottom, a is 24VDC, b is 0VDC/CAN-L, c is CAN-H, d is 24VDC, e is 0VDC/CAN-L, and f is CAN-H.
In this embodiment, as shown in fig. 2, the upper end of the sliding connection rod 9 is screwed with an anti-drop cap 7, and the anti-drop cap 7 is located above the hole seat 6, and the anti-drop cap 7 plays a limiting role on the sliding connection rod 9, so as to prevent the sliding connection rod 9 from being separated from the hole seat 6.
In this embodiment, as shown in fig. 2, a plurality of fixing holes 11 are provided on the surface of the fixing base 10, and screws penetrate through the fixing holes 11 to fix the fixing base 10, so that the fixing base 10 and the clamping strips 12 are concave, and the housing 1 is ensured not to contact with the screws.
In this embodiment, as shown in fig. 1 and fig. 3, the power supply module 14 and the communication module 13 are installed inside the housing 1, and the power supply module 14 and the communication module 13 are electrically connected through the isolation module, the wire holder 2 is electrically connected with the isolation module, the power supply module 14 is connected with the zero line and the live line, and the communication module 13 CAN isolate the signal on the CAN bus from the isolated power converter, thereby preventing the influence of electrical noise and interference on the communication signal, and improving the reliability and stability of communication.
Specifically, during the use, use the screw to install fixing base 10 in the assigned position, after holding up shell 1 with the one hand, with activity cassette 5 and joint strip 12 alignment, push down shell 1 afterwards, joint strip 12 supports activity cassette 5, shell 1 drives cassette 4 and moves down, when cassette 4 crosses the joint strip 12 of below, control cassette 4 aligns with joint strip 12, then loosen shell 1, spring 8 promotes hole seat 6 and shell 1 and removes this moment for cassette 4 and activity cassette 5 joint smoothly.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.