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Single-coil magnetic latching relay control circuit and method

A magnetic latching relay and control circuit technology, applied in electromagnetic relays, electromagnetic relay details, relays, etc., can solve the problem of high complexity of single-coil latching relay control circuits

Active Publication Date: 2017-12-08
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The embodiment of the present invention provides a single-coil magnetic latching relay control circuit and method to at least solve the problem of high complexity of the single-coil magnetic latching relay control circuit in the related art

Method used

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  • Single-coil magnetic latching relay control circuit and method

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Embodiment 1

[0042] In this embodiment, a single-coil latching relay control circuit is provided, figure 2 It is a schematic diagram of a single-coil magnetic latching relay control circuit according to an embodiment of the present invention Figure 1 ,like figure 2 As shown, the circuit includes:

[0043] The first control circuit 22 and the first single-coil magnetic latching relay coil 24, wherein,

[0044] The first control circuit 22 includes: a first triode 221, a first diode 222, a second diode 223, a first capacitor 224, a second capacitor 225, a first resistor 226 and a second resistor 227;

[0045] The collector of the first triode 221 is connected to the anode of the first diode 222 and the first port of the second capacitor 225, the emitter of the first triode 221 is connected to the anode of the second diode 223, the first port of the second capacitor 225, The first port of a capacitor 224 and one end of the first single-coil magnetic latching relay coil 14, the base of t...

Embodiment 2

[0056] In this embodiment, a single-coil latching relay control circuit is provided, Figure 5 It is a schematic diagram of a single-coil magnetic latching relay control circuit according to an embodiment of the present invention Figure four ,like Figure 5 As shown, the circuit includes:

[0057] The second control circuit 52 and the second single-coil magnetic latching relay coil 54, wherein,

[0058] The second control circuit 52 includes: a second triode 521, a third diode 522, a fourth diode 523, a third capacitor 524, a fourth capacitor 525, a third resistor 526 and a fourth resistor 527;

[0059] The emitter of the second triode 521 is connected to the first port of the third capacitor 524, the cathode of the fourth diode 523 and the first port of the fourth capacitor 525, and the collector of the second triode 521 is connected to the first port of the fourth capacitor 525. The first port of the three resistors 526 and one end of the second single-coil magnetic latc...

Embodiment 3

[0070] In this embodiment, a single-coil latching relay control method is provided, the method includes the following steps:

[0071] controlling the coil of the first single-coil magnetic latching relay to enter a preset state and / or maintain a preset state through the first control circuit;

[0072] Wherein, the first control circuit includes: a first transistor, a first diode, a second diode, a first capacitor, a second capacitor, a first resistor and a second resistor; the collector of the first transistor Connected to the anode of the first diode and the first port of the second capacitor, the emitter of the first triode is connected to the anode of the second diode, the first port of the first capacitor and the first single-coil magnetic hold One end of the relay coil, the base of the first triode is connected to the cathode of the second diode and the first port of the second resistor; the cathode of the first diode is connected to the first port of the first resistor, ...

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Abstract

The invention provides a single-coil magnetic latching relay control circuit and method. The circuit comprises a first control circuit and a first single-coil magnetic latching relay coil, wherein the first control circuit comprises a first triode, a first diode, a second diode, a first capacitor, a second capacitor, a first resistor and a second resistor, and the first control circuit is used for controlling the first single-coil magnetic latching relay coil to enter a preset state and / or maintain the preset set. By the circuit, the problem of high complexity of the single-coil magnetic latching relay control circuit in the related art is solved, and the complexity of the single-coil magnetic latching relay control circuit is reduced.

Description

technical field [0001] The invention relates to the communication field, in particular to a single-coil magnetic latching relay control circuit and method. Background technique [0002] Like other electromagnetic relays, the single-coil magnetic latching relay can automatically switch on and off the circuit. The difference is that the normally closed or normally open state of the single-coil magnetic latching relay is completely dependent on the action of the permanent magnet, and the switching state of the relay is triggered by a pulse electric signal of a certain width. The open and closed state of the contacts of the single-coil magnetic latching relay is usually maintained by the magnetic force generated by the permanent magnet. When the contacts of the single-coil magnetic latching relay need to be in the open or closed state, only the positive (reverse) DC pulse voltage needs to be used to excite the coil, and the single-coil magnetic latching relay completes the stat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H47/02
CPCH01H47/02H01H47/32H01H47/226H01H47/325H01H50/021H01H50/32H01H50/443
Inventor 唐荣道黄剑邱炜
Owner ZTE CORP
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