CN214314700U - Fire-fighting module suitable for automatic transfer switch equipment - Google Patents
Fire-fighting module suitable for automatic transfer switch equipment Download PDFInfo
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- CN214314700U CN214314700U CN202023236039.3U CN202023236039U CN214314700U CN 214314700 U CN214314700 U CN 214314700U CN 202023236039 U CN202023236039 U CN 202023236039U CN 214314700 U CN214314700 U CN 214314700U
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- photoelectric coupler
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Abstract
The utility model provides a fire-fighting module suitable for automatic transfer switch equipment, which comprises a photoelectric coupler, a surge suppressor, a capacitor, a diode, a resistor and a triode; the circuit comprises resistors R3 and R4 and a diode D1, wherein one end of the resistor R3 and the cathode of the diode D1 are connected with a fire arm input port, one end of the resistor R4 is connected with the anode of the diode D1, and the other ends of the resistors R3 and R4 are connected with the chassis ground; the circuit also comprises a resistor R2 and a triode Q1, wherein one end of the resistor R2 is connected with the anode of the diode D1, the other end of the resistor R2 is connected with the base electrode of the triode Q1, and the emitter electrode of the triode Q1 is connected with the chassis ground. The utility model discloses beneficial effect: a fire-fighting module suitable for an automatic transfer switch device can execute a fire-fighting command without using external 24V or 220V as a signal to drive an automatic transfer switch electric appliance, and property loss of people is greatly reduced in an actual fire-fighting accident.
Description
Technical Field
The utility model belongs to the technical field of the electron, especially, relate to a be suitable for automatic change-over switch equipment's fire control module.
Background
According to the requirement of national mandatory standards, the automatic transfer switching equipment is required to be used in some fire-fighting related places, so the automatic transfer switching equipment has certain linkage capacity with fire-fighting facilities.
At present, an automatic transfer switch fire-fighting special module on the market often uses external 24V or 220V as a signal to drive an automatic transfer switch electric appliance to execute a fire-fighting command, and in an actual fire-fighting accident, the external 24V or 220V can not be provided due to the accident, which is very likely to cause great property loss.
So the utility model provides a be suitable for automatic change-over switch equipment's fire control module, foretell problem not only can be solved to this fire control module, still has simple structure characteristics with low costs.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a fire fighting module suitable for an automatic transfer switch device to solve the above-mentioned problems.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a fire-fighting module suitable for automatic transfer switch equipment comprises a photoelectric coupler, a capacitor, a diode, a resistor and a triode;
the circuit comprises resistors R3 and R4 and a diode D1, wherein one end of the resistor R3 and the cathode of the diode D1 are connected with a fire arm input port, one end of the resistor R4 is connected with the anode of the diode D1, and the other ends of the resistors R3 and R4 are connected with the chassis ground;
the circuit also comprises a resistor R2 and a triode Q1, wherein one end of the resistor R2 is connected with the anode of the diode D1, the other end of the resistor R2 is connected with the base electrode of the triode Q1, and the emitter of the triode Q1 is connected with the chassis ground;
the device also comprises a capacitor C3 and a photoelectric coupler U2, wherein one end of the capacitor C3 and the collector of the triode Q1 are connected with the 2 pin of the photoelectric coupler U2, and the other end of the capacitor C3 is connected with the chassis ground;
the capacitor C5 is also included, one end of the capacitor C5 is connected with the chassis ground, and the other end is connected with the power ground;
the photoelectric coupler also comprises a resistor R5, one end of the resistor R5 is connected with a power ground, the other end of the resistor R5 and a pin 2 of the photoelectric coupler U2 are connected with a fire arm port;
the photoelectric coupler also comprises a capacitor C4, one end of the capacitor C4 is connected with a pin 2 of the photoelectric coupler U2, and the other end of the capacitor C4 is connected with a power ground;
the photoelectric coupler also comprises a resistor R1, one end of the resistor R1 is connected with a pin 1 of the photoelectric coupler U2, and the other end of the resistor R1 is connected with +12VA of the output;
and a pin 2 of the photoelectric coupler U2 is connected with + 3.3V.
Furthermore, the device also comprises a power isolation module which comprises a photoelectric coupler U1, wherein a pin 1 of the U1 is connected with a power ground, a pin 2 is connected with an internal +12V power supply, a pin 3 is connected with a machine shell ground, and a pin 4 is connected with output +12 VA.
Further, the capacitors C1, C2 and the power isolation module U1 are used to electrically isolate the internal +12V power supply from the output +12 VA.
Further, the resistors R3, R4 are used to increase the immunity of the circuit by increasing the current in the loop.
Further, the diode D1 is used to adjust the start threshold of the product by adjusting the threshold voltage of the diode.
Further, the resistor R1 is used to adjust the magnitude of the driving current of the photocoupler U1 by connecting the resistor in series in the circuit.
Further, a resistor R2 is used to regulate the base current of the transistor by placing the resistor in series in the loop.
Further, the resistor R5 is used to pull down the level of fire arm to a low level when the photocoupler U2 is not conducting; and also for stabilizing the level of the fire arm to a high level in cooperation with the capacitor C4 when the photocoupler U2 is turned on.
Further, the capacitor C5 is used to provide a low impedance path when high frequency electromagnetic interference is encountered.
Further, the photocoupler U1 is used for isolating input and output, and ensuring that signals cannot interfere with each other.
Compared with the prior art, a fire control module who is suitable for automatic change-over switch equipment have following advantage:
(1) the fire-fighting module suitable for the automatic transfer switch equipment can execute a fire-fighting command without using external 24V or 220V as a signal to drive the automatic transfer switch electric appliance, and greatly reduces the property loss of people in actual fire-fighting accidents;
(2) the fire-fighting module suitable for the automatic transfer switch equipment can be used only by short-circuiting two pins on the exposed connector of a user;
(3) a fire control module that is suitable for automatic change-over switchgear simple structure, low cost.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of a fire fighting module suitable for an automatic transfer switching device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a power isolation module U1 according to an embodiment of the present invention.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 2, a fire protection module suitable for an automatic transfer switching device is composed of a power isolation module, a photoelectric coupler, a surge suppressor, a capacitor, a diode, a resistor, a triode and the like, and when the fire protection module is used, only two pins on an exposed connector of a user need to be in short circuit;
this automatic change over switchgear's the part that exposes for the user of fire control module is two ports of +12VA and fire arm input respectively, and when the fire incident took place, only need carry out the short circuit with above-mentioned two ports, the module just can discern effectual fire control input signal, transmits for next grade simultaneously.
The capacitors C1, C2 and the power isolation module U1 are used to electrically isolate the internal +12V power supply from the output +12VA, and two completely unconnected reference planes are formed at the two ends of the power isolation module U1.
The resistors R3, R4 function to increase the current in the loop to improve the immunity of the circuit to interference.
The diode D1 has the function that the starting threshold of the product can be adjusted by adjusting the threshold voltage of the diode, so that the anti-interference capability of the product in high-interference occasions is improved.
The resistor R1 is used to adjust the magnitude of the driving current of the photocoupler U1 by connecting the resistor in series in the loop.
The resistor R2 is used to regulate the base current of the transistor by placing the resistor in series with the loop.
The resistor R5 functions to pull down the fire arm level to a low level when the optocoupler U2 is not conducting. When the photo coupler U2 is turned on, the level of the fire arm is stabilized to a high level in cooperation with the capacitor C4.
The capacitor C5 functions to provide a low impedance path when subjected to high frequency electromagnetic interference.
The photoelectric coupler U1 is used for isolating input and output, so that signals can not interfere with each other, and the personal safety of users can be improved.
The circuit comprises resistors R3 and R4 and a diode D1, wherein one end of the resistor R3 and the cathode of the diode D1 are connected with a fire arm input port, one end of the resistor R4 is connected with the anode of the diode D1, and the other ends of the resistors R3 and R4 are connected with the chassis ground;
the circuit also comprises a resistor R2 and a triode Q1, wherein one end of the resistor R2 is connected with the anode of the diode D1, the other end of the resistor R2 is connected with the base electrode of the triode Q1, and the emitter of the triode Q1 is connected with the chassis ground;
the device also comprises a capacitor C3 and a photoelectric coupler U2, wherein one end of the capacitor C3 and the collector of the triode Q1 are connected with the 2 pin of the photoelectric coupler U2, and the other end of the capacitor C3 is connected with the chassis ground;
the capacitor C5 is also included, one end of the capacitor C5 is connected with the chassis ground, and the other end is connected with the power ground;
the photoelectric coupler also comprises a resistor R5, one end of the resistor R5 is connected with a power ground, the other end of the resistor R5 and a pin 2 of the photoelectric coupler U2 are connected with a fire arm port;
the photoelectric coupler also comprises a capacitor C4, one end of the capacitor C4 is connected with a pin 2 of the photoelectric coupler U2, and the other end of the capacitor C4 is connected with a power ground;
the photoelectric coupler also comprises a resistor R1, one end of the resistor R1 is connected with a pin 1 of the photoelectric coupler U2, and the other end of the resistor R1 is connected with +12VA of the output;
and a pin 2 of the photoelectric coupler U2 is connected with + 3.3V.
The power isolation module comprises a photoelectric coupler U1, wherein a pin 1 of the U1 is connected with a power ground, a pin 2 is connected with an internal +12V power supply, a pin 3 is connected with a machine shell ground, and a pin 4 is connected with output +12 VA.
The capacitors C1, C2 and the power isolation module U1 are used to electrically isolate the internal +12V power supply from the output +12 VA.
The resistors R3, R4 are used to increase the immunity of the circuit by increasing the current in the loop.
The diode D1 is used to adjust the start threshold of the product by adjusting the threshold voltage of the diode.
The resistor R1 is used to adjust the magnitude of the drive current of the photocoupler U1 by connecting the resistor in series in the circuit.
The resistor R2 is used to regulate the base current of the transistor by placing the resistor in series in the loop.
The resistor R5 is used to pull down the level of fire arm to a low level when the optocoupler U2 is not conducting; and also for stabilizing the level of the fire arm to a high level in cooperation with the capacitor C4 when the photocoupler U2 is turned on.
Capacitor C5 is used to provide a low impedance path when high frequency electromagnetic interference is encountered.
The photoelectric coupler U1 is used for isolating input and output and ensuring that signals cannot interfere with each other.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a be suitable for automatic change-over switch equipment's fire control module which characterized in that: photoelectric coupler, capacitor, diode, resistor, triode;
the circuit comprises resistors R3 and R4 and a diode D1, wherein one end of the resistor R3 and the cathode of the diode D1 are connected with a fire arm input port, one end of the resistor R4 is connected with the anode of the diode D1, and the other ends of the resistors R3 and R4 are connected with the chassis ground;
the circuit also comprises a resistor R2 and a triode Q1, wherein one end of the resistor R2 is connected with the anode of the diode D1, the other end of the resistor R2 is connected with the base electrode of the triode Q1, and the emitter of the triode Q1 is connected with the chassis ground;
the device also comprises a capacitor C3 and a photoelectric coupler U2, wherein one end of the capacitor C3 and the collector of the triode Q1 are connected with the 2 pin of the photoelectric coupler U2, and the other end of the capacitor C3 is connected with the chassis ground;
the capacitor C5 is also included, one end of the capacitor C5 is connected with the chassis ground, and the other end is connected with the power ground;
the photoelectric coupler also comprises a resistor R5, one end of the resistor R5 is connected with a power ground, the other end of the resistor R5 and a pin 2 of the photoelectric coupler U2 are connected with a fire arm port;
the photoelectric coupler also comprises a capacitor C4, one end of the capacitor C4 is connected with a pin 2 of the photoelectric coupler U2, and the other end of the capacitor C4 is connected with a power ground;
the photoelectric coupler also comprises a resistor R1, one end of the resistor R1 is connected with a pin 1 of the photoelectric coupler U2, and the other end of the resistor R1 is connected with +12VA of the output;
and a pin 2 of the photoelectric coupler U2 is connected with + 3.3V.
2. A fire fighting module suitable for automatic transfer switching equipment as recited in claim 1, wherein: the power isolation module comprises a photoelectric coupler U1, wherein a pin 1 of the U1 is connected with a power ground, a pin 2 is connected with an internal +12V power supply, a pin 3 is connected with a machine shell ground, and a pin 4 is connected with output +12 VA.
3. A fire fighting module suitable for automatic transfer switching equipment as recited in claim 1, wherein: the capacitors C1, C2 and the power isolation module U1 are used to electrically isolate the internal +12V power supply from the output +12 VA.
4. A fire fighting module suitable for automatic transfer switching equipment as recited in claim 1, wherein: the resistors R3, R4 are used to increase the immunity of the circuit by increasing the current in the loop.
5. A fire fighting module suitable for automatic transfer switching equipment as recited in claim 1, wherein: the diode D1 is used to adjust the start threshold of the product by adjusting the threshold voltage of the diode.
6. A fire fighting module suitable for automatic transfer switching equipment as recited in claim 1, wherein: the resistor R1 is used to adjust the magnitude of the drive current of the photocoupler U1 by connecting the resistor in series in the circuit.
7. A fire fighting module suitable for automatic transfer switching equipment as recited in claim 1, wherein: the resistor R2 is used to regulate the base current of the transistor by placing the resistor in series in the loop.
8. A fire fighting module suitable for automatic transfer switching equipment as recited in claim 1, wherein: the resistor R5 is used to pull down the level of fire arm to a low level when the optocoupler U2 is not conducting; and also for stabilizing the level of the fire arm to a high level in cooperation with the capacitor C4 when the photocoupler U2 is turned on.
9. A fire fighting module suitable for automatic transfer switching equipment as recited in claim 1, wherein: capacitor C5 is used to provide a low impedance path when high frequency electromagnetic interference is encountered.
10. A fire fighting module suitable for automatic transfer switching equipment as recited in claim 1, wherein: the photoelectric coupler U1 is used for isolating input and output and ensuring that signals cannot interfere with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023236039.3U CN214314700U (en) | 2020-12-28 | 2020-12-28 | Fire-fighting module suitable for automatic transfer switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023236039.3U CN214314700U (en) | 2020-12-28 | 2020-12-28 | Fire-fighting module suitable for automatic transfer switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214314700U true CN214314700U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023236039.3U Active CN214314700U (en) | 2020-12-28 | 2020-12-28 | Fire-fighting module suitable for automatic transfer switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214314700U (en) |
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2020
- 2020-12-28 CN CN202023236039.3U patent/CN214314700U/en active Active
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