Wiring terminal with overcurrent and overvoltage protection
An overvoltage protection and terminal technology, applied in the terminal field, can solve the problems of traffic chaos, poor lightning protection effect, easily damaged circuits and equipment, etc., and achieve the effect of protecting the circuit
Pending Publication Date: 2018-11-02
江苏弘策机电科技有限公司
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- Description
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- Application Information
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Problems solved by technology
However, due to specific needs, some terminal blocks will be installed outdoors, such as the terminals used for traffic signal lights. However, the existing terminal blocks have poor lightning protection effects. When encountering lightning, it is very easy to damage the circuits and equipment behind, thus affecting traffic signals. , leading to traffic chaos
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[0012] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0013] see figure 1 , a connection terminal with over-current and over-voltage protection, comprising a plastic shell 1, the two sides of the plastic shell 1 are respectively provided with a crimping frame 2, the top of the crimping frame 2 is provided with a threaded hole and connected with a screw 3, the two The opposite sides of the two wire crimping frames 2 are respectively connected with Z-shaped conductive sheets 4, defining the conductive sheet connected to the left crimping frame as the lower conductive sheet 401, and the conductive sheet connected to the right crimping frame as the upper conductive sheet 402, the upper conductive sheet ...
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The invention provides a wiring terminal with overcurrent and overvoltage protection. The wiring terminal with overcurrent and overvoltage protection comprises a plastic shell, wherein line press frames are respectively arranged at two sides of the plastic shell, Z-shaped conductive pieces are respectively connected to opposite sides of the two line press frames and are a lower conductive piece and an upper conductive piece, a glass tube fuse is arranged at one end, near to a middle part of the plastic shell, of each of the upper conductive piece and the lower conductive piece, a resistor is connected to a bending position of the lower conductive piece, a suppression diode is further connected to a bending position of the lower conductive piece, a grounding insertion piece is connected tothe other end of the suppression diode, and a steel guide rail is connected to a lower end of the grounding insertion piece and is clamped outside the plastic shell. The wiring terminal is conducted by two wires, a strong current is connected with ground by a bidirectional instantaneous suppression diode and the grounding insertion piece when a high instantaneous ultrahigh voltage is caused by thunderstorm of other factors, meanwhile, voltages of two ends of the instantaneous diode are clamped within a safe voltage range, and an effect of protecting a circuit is achieved.
Description
technical field [0001] The invention relates to the field of terminals, in particular to a terminal with overcurrent and overvoltage protection. Background technique [0002] Terminal block, common Chinese aliases include terminal board, terminal box, terminal board, terminal block, terminal block, terminal block, etc. As one of the most special members of the connector family, it has almost become another product system independently from the connector. However, due to specific needs, some terminal blocks will be installed outdoors, such as the terminals used for traffic signal lights. However, the existing terminal blocks have poor lightning protection effects. When encountering lightning, it is very easy to damage the circuits and equipment behind, thus affecting traffic signals. , leading to traffic chaos. Contents of the invention [0003] Based on this, it is necessary to provide a terminal with overcurrent and overvoltage protection to solve the above technical pr...
Claims
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IPC IPC(8): H01R11/01H01R11/09H01R4/64H02H3/08H02H9/04H02H9/02
CPCH01R4/64H01R11/01H01R11/09H02H3/08H02H9/02H02H9/047
Inventor 王明华
Owner 江苏弘策机电科技有限公司