A stabilized and smooth integrated circuit protector for automobiles
A circuit protector and smooth technology, applied in the field of DC automotive circuit protection devices, can solve problems such as arcing, achieve low cost, convenient operation, and protect circuit components
Active Publication Date: 2016-07-06
重庆谦益电气有限公司
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- Claims
- Application Information
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide a stable and smooth automotive integrated circuit protector to solve the problem that in the prior art, when the controlled circuit is controlled after the control power supply is powered off, any terminal of the main control circuit cannot be positively charged. terminal or negative terminal, and eliminate the problem of arcing phenomenon when the prior art works
Method used
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Embodiment 1
[0020] A stable and smooth automotive integrated circuit protector (see circuit diagram figure 1 ), including an electromagnetic coil L, an electromagnetic switch, a first protection circuit, a second protection circuit, a first shunt circuit, a second shunt circuit, and connection terminals. The electromagnetic switch includes contact O1, normally open contact O2, and The closed contact O3 and the armature K, the fixed end of the armature K is connected to the contact O1, and the pull-in end of the armature K is connected to the normally closed contact O3 or the normally open contact O2; the wiring terminal includes the first control terminal 1 , The second control terminal 4, the first controlled terminal 2, the second controlled terminal 3, the third controlled terminal 5; the two ends of the electromagnetic coil L are connected with a clamping diode D15, and one end of the electromagnetic coil L passes through the first The protection circuit is connected to the first contr...
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A voltage-stabilizing and smooth integrated circuit protector for automobiles relates to a DC automobile circuit protection device, which includes an electromagnetic coil L, an electromagnetic switch, first and second protection circuits, first and second shunt circuits, and connection terminals. The electromagnetic switch includes a contactor point, normally open contact, normally closed contact and armature; the wiring terminals include the first and second control terminals, the first, second and third controlled terminals; both ends of the electromagnetic coil are connected with clamping diodes, and one end of the electromagnetic coil passes through the first The protection circuit is connected to the first control terminal, and the other end is connected to the second control terminal through the second protection circuit; one end of the first shunt circuit is connected to the normally open contact, and the other end is connected to the second control terminal; the second shunt circuit One end is connected with the normally open contact, and the other end is connected with the first control terminal. In the present invention, after the power supply is cut off, any terminal of the main control circuit can be used as a positive terminal or a negative terminal, and the phenomenon of arcing during operation can also be eliminated. The circuit is simple, the cost is low, and it is easy to be popularized and used.
Description
Technical field [0001] The invention relates to a DC automobile circuit protection device, in particular to a stable and smooth automobile integrated circuit protector. Background technique [0002] Currently, well-known automotive circuit protection devices are composed of iron cores, coils, armatures, unidirectional diodes, contact reeds, and the like. As long as a certain voltage is applied to both ends of the coil, a certain current will flow in the coil, which will produce electromagnetic effects. Under the action of electromagnetic force, the armature will overcome the pull force of the return spring and attract to the core, thereby driving the armature. The moving contact and the static contact (normally open contact) are pulled together. At this time, the controlled circuit of the moving contact is energized, and the current flows back to the positive pole of the control circuit through the unidirectional diode. When the positive pole of the control circuit is powered of...
Claims
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IPC IPC(8): B60R16/02H02H9/04
Inventor 宛东谭克诚钟万里翟毅
Owner 重庆谦益电气有限公司