CN213338356U - Fire control pulse signal receiving circuit - Google Patents
Fire control pulse signal receiving circuit Download PDFInfo
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- CN213338356U CN213338356U CN202020775210.9U CN202020775210U CN213338356U CN 213338356 U CN213338356 U CN 213338356U CN 202020775210 U CN202020775210 U CN 202020775210U CN 213338356 U CN213338356 U CN 213338356U
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Abstract
The utility model provides a fire control pulse signal receiving circuit relates to fire control safety's technical field, include: the fire-fighting trigger module, the fire-fighting release module and the single chip microcomputer are respectively connected with the fire-fighting trigger module, the fire-fighting release module and the single chip microcomputer; the fire control is relieved the module and is acquireed corresponding signal respectively and trigger singlechip work, the utility model discloses a fire control pulse signal receiving circuit can alleviate owing to adopt the relay as action switch, has leaded to the fire control protection circuit interference killing feature poor, and the technical problem that the malfunction probability is big improves external equipment's security.
Description
Technical Field
The utility model belongs to the technical field of the fire control protection technique and specifically relates to a fire control pulse signal receiving circuit is related to.
Background
Most of traditional 24V pulse fire-fighting signal receiving circuits only rely on a 24V relay to transmit signals, and because the relay belongs to a mechanical switch, accessories such as an internal armature, magnetic steel, an electric shock reed, a magnetic coil and the like have errors, so that the overall action time of the relay is different, and the consistency of the relay is poor. In addition, the voltage range of the relay action coil is wide, and the relay action coil is greatly influenced by environmental factors such as temperature and the like, so that the anti-interference capability of the relay is poor, and the malfunction probability is increased.
In summary, in the prior art, because the relay is used as the action switch, the fire protection circuit has poor anti-interference capability and high malfunction probability, and potential safety hazards are caused to equipment.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a fire control pulse signal receiving circuit to what alleviate leads to fire control protection circuit interference killing feature poor owing to adopt the relay as action switch, technical problem that the malfunction probability is big.
The utility model provides a fire control pulse signal receiving circuit, include:
the fire-fighting trigger module, the fire-fighting release module and the single chip microcomputer are arranged in the fire-fighting release module;
the fire-fighting trigger module and the fire-fighting release module are respectively connected with the singlechip;
the fire-fighting trigger module is provided with a first signal access port, a first rectifier bridge D3, a first diode D1, a first voltage-regulator tube D2, a first resistor R1, a second resistor R2, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a first photoelectric coupler U1 and a first triode Q1;
the fire fighting release module is provided with a second signal access port, a second rectifier bridge D6, a second diode D4, a second voltage regulator tube D5, an eighth resistor R8, a ninth resistor R9, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a second photoelectric coupler U2 and a second triode Q2;
the first rectifier bridge D3 is connected in parallel to two ends of the first signal access port, the anode of the first diode D1 is connected to the first signal access port, the cathode of the first diode D1 is connected to one end of the first voltage regulator D2, one end of the cathode of the first diode D1 is connected to one end of the first capacitor C1 and one end of the fifth resistor R5, the other end of the first capacitor C1 and the other end of the fifth resistor R5 are both grounded, the other end of the first voltage regulator D2 is connected to one end of the fourth resistor R4, the other end of the first voltage regulator D2 is grounded through the sixth resistor R6, the other end of the fourth resistor R4 is connected to the base of the first triode Q1, the emitter of the first triode Q1 is grounded, the collector of the first triode Q1 is connected to the input side of the first photocoupler U1, the input side of the first photocoupler U1 is connected with one end of the second capacitor C2, the other end of the second capacitor C2 is grounded, and the first resistor R1 is connected between the input side of the first photocoupler U1 and one end of the first capacitor C1 in series; the emitter of the first photocoupler U1 is grounded through the third capacitor C3, one end of the second resistor R2 is connected with the emitter of the first photocoupler U1, the other end of the second resistor R2 is grounded, the collector of the first photocoupler U1 is connected with an external power supply, and the collector of the first photocoupler U1 is grounded through the fourth capacitor C4;
the second rectifier bridge D6 is connected in parallel to two ends of the second signal access port, the anode of the second diode D4 is connected to the second signal access port, the cathode of the second diode D4 is connected to one end of the second voltage regulator tube D5, one end of the cathode of the second diode D5 is connected to one end of the fifth capacitor C5 and one end of the twelfth resistor R12, the other end of the fifth capacitor C5 and the other end of the twelfth resistor R12 are both grounded, the other end of the second voltage regulator tube D5 is connected to one end of the eleventh resistor R11, the other end of the second voltage regulator tube D5 is grounded through the thirteenth resistor R13, the other end of the eleventh resistor R11 is connected to the base of the second triode Q2, the emitter of the second triode Q2 is grounded, the collector of the second triode Q2 is connected to the input side of the second photocoupler U2, an input side of the second photocoupler U2 is connected with one end of the sixth capacitor C6, the other end of the sixth capacitor C6 is grounded, and the eighth resistor R8 is connected between the input side of the second photocoupler U2 and one end of the fifth capacitor C5 in series; an emitter of the second photocoupler U2 is grounded through the seventh capacitor C7, one end of a ninth resistor R9 is connected with an emitter of the second photocoupler U2, the other end of the ninth resistor R9 is grounded, a collector of the second photocoupler U2 is connected with an external power supply, and a collector of the second photocoupler U2 is grounded through the eighth capacitor C8;
and the emitters of the first photoelectric coupler U1 and the second photoelectric coupler U2 are connected with the input port of the single chip microcomputer.
Preferably, the first diode D1 and the second diode D4 are each model BAS 316.
The embodiment of the utility model provides a following beneficial effect has been brought: the utility model provides a fire control pulse signal receiving circuit, include: the fire-fighting trigger module, the fire-fighting release module and the single chip microcomputer are respectively connected with the fire-fighting trigger module, the fire-fighting release module and the single chip microcomputer; the fire control is relieved the module and is acquireed corresponding signal respectively and trigger singlechip work, the utility model discloses a fire control pulse signal receiving circuit can alleviate owing to adopt the relay as action switch, has leaded to the fire control protection circuit interference killing feature poor, and the technical problem that the malfunction probability is big improves external equipment's security.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a circuit diagram of a fire fighting pulse signal receiving circuit provided by an embodiment of the present invention;
fig. 2 is a connection diagram of the fire-fighting pulse signal receiving circuit singlechip provided by the embodiment of the utility model.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
At present, in the fire control circuit, adopt the relay as the switch action component, because there is the time delay in the action of relay, the interference killing feature of relay is poor simultaneously, and the malfunction probability is big, based on this, the embodiment of the utility model provides a fire control pulse signal receiving circuit can alleviate owing to adopt the relay as action switch, has leaded to the fire control protection circuit interference killing feature poor, and the technical problem that the malfunction probability is big improves external equipment's security.
For the understanding of the present embodiment, the fire fighting pulse signal receiving circuit disclosed in the embodiment of the present invention is first described in detail.
The first embodiment is as follows:
with reference to fig. 1 and 2, the utility model provides a fire-fighting pulse signal receiving circuit, including:
the fire-fighting trigger module, the fire-fighting release module and the single chip microcomputer are arranged in the fire-fighting release module;
the fire-fighting trigger module and the fire-fighting release module are respectively connected with the singlechip;
the fire-fighting trigger module is provided with a first signal access port, a first rectifier bridge D3, a first diode D1, a first voltage-regulator tube D2, a first resistor R1, a second resistor R2, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a first photoelectric coupler U1 and a first triode Q1;
the fire fighting release module is provided with a second signal access port, a second rectifier bridge D6, a second diode D4, a second voltage regulator tube D5, an eighth resistor R8, a ninth resistor R9, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a second photoelectric coupler U2 and a second triode Q2;
the first rectifier bridge D3 is connected in parallel to two ends of the first signal access port, the anode of the first diode D1 is connected to the first signal access port, the cathode of the first diode D1 is connected to one end of the first voltage regulator D2, one end of the cathode of the first diode D1 is connected to one end of the first capacitor C1 and one end of the fifth resistor R5, the other end of the first capacitor C1 and the other end of the fifth resistor R5 are both grounded, the other end of the first voltage regulator D2 is connected to one end of the fourth resistor R4, the other end of the first voltage regulator D2 is grounded through the sixth resistor R6, the other end of the fourth resistor R4 is connected to the base of the first triode Q1, the emitter of the first triode Q1 is grounded, the collector of the first triode Q1 is connected to the input side of the first photocoupler U1, an input side of the first photocoupler U1 is connected with one end of the second capacitor C2, the other end of the second capacitor C2 is grounded, the input side of the first photocoupler U1 is connected with one end of the first capacitor C1 in series with the first resistor R1, an emitter of the first photocoupler U1 is grounded through the third capacitor C3, one end of the second resistor R2 is connected with an emitter of the first photocoupler U1, the other end of the second resistor R2 is grounded, a collector of the first photocoupler U1 is connected with an external power supply, and a collector of the first photocoupler U1 is grounded through the fourth capacitor C4;
the second rectifier bridge D6 is connected in parallel to two ends of the second signal access port, the anode of the second diode D4 is connected to the second signal access port, the cathode of the second diode D4 is connected to one end of the second voltage regulator tube D5, one end of the cathode of the second diode D5 is connected to one end of the fifth capacitor C5 and one end of the twelfth resistor R12, the other end of the fifth capacitor C5 and the other end of the twelfth resistor R12 are both grounded, the other end of the second voltage regulator tube D5 is connected to one end of the eleventh resistor R11, the other end of the second voltage regulator tube D5 is grounded through the thirteenth resistor R13, the other end of the eleventh resistor R11 is connected to the base of the second triode Q2, the emitter of the second triode Q2 is grounded, the collector of the second triode Q2 is connected to the input side of the second photocoupler U2, an input side of the second photocoupler U2 is connected to one end of the sixth capacitor C6, the other end of the sixth capacitor C6 is grounded, an input side of the second photocoupler U2 is connected to one end of the fifth capacitor C5 in series with the eighth resistor R8, an emitter of the second photocoupler U2 is grounded through the seventh capacitor C7, one end of the ninth resistor R9 is connected to an emitter of the second photocoupler U2, the other end of the ninth resistor R9 is grounded, a collector of the second photocoupler U2 is connected to an external power supply, and a collector of the second photocoupler U2 is grounded through the eighth capacitor C8;
and the emitters of the first photoelectric coupler U1 and the second photoelectric coupler U2 are connected with the input port of the single chip microcomputer.
Preferably, the first diode D1 and the second diode D4 are each model BAS 316.
Example two:
the embodiment of the utility model provides a two sets the working method of the utility model provides an embodiment one explains, specifically, when first signal access port acquires external trigger signal, first diode work triggers first stabilivolt because reverse connection under avalanche effect's effect, triggers first triode Q1 work, the projecting pole of first triode Q1 is in the high level, triggers the singlechip work, provides fire control warning;
further, when the second signal access port acquires an external trigger signal, the second diode works to trigger the second voltage regulator tube to trigger the second triode Q1 to work under the action of avalanche effect due to reverse connection, the emitter of the first triode Q1 is at high level to trigger the single chip microcomputer to work, and the fire alarm is relieved.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. A fire fighting pulse signal receiving circuit, comprising:
the fire-fighting trigger module, the fire-fighting release module and the single chip microcomputer are arranged in the fire-fighting release module;
the fire-fighting trigger module and the fire-fighting release module are respectively connected with the singlechip;
the fire-fighting trigger module is provided with a first signal access port, a first rectifier bridge D3, a first diode D1, a first voltage-regulator tube D2, a first resistor R1, a second resistor R2, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a first photoelectric coupler U1 and a first triode Q1;
the fire fighting release module is provided with a second signal access port, a second rectifier bridge D6, a second diode D4, a second voltage regulator tube D5, an eighth resistor R8, a ninth resistor R9, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a second photoelectric coupler U2 and a second triode Q2;
the first rectifier bridge D3 is connected in parallel to two ends of the first signal access port, the anode of the first diode D1 is connected to the first signal access port, the cathode of the first diode D1 is connected to one end of the first voltage regulator D2, one end of the cathode of the first diode D1 is connected to one end of the first capacitor C1 and one end of the fifth resistor R5, the other end of the first capacitor C1 and the other end of the fifth resistor R5 are both grounded, the other end of the first voltage regulator D2 is connected to one end of the fourth resistor R4, the other end of the first voltage regulator D2 is grounded through the sixth resistor R6, the other end of the fourth resistor R4 is connected to the base of the first triode Q1, the emitter of the first triode Q1 is grounded, the collector of the first triode Q1 is connected to the input side of the first photocoupler U1, the input side of the first photocoupler U1 is connected with one end of the second capacitor C2, the other end of the second capacitor C2 is grounded, and the first resistor R1 is connected between the input side of the first photocoupler U1 and one end of the first capacitor C1 in series; the emitter of the first photocoupler U1 is grounded through the third capacitor C3, one end of the second resistor R2 is connected with the emitter of the first photocoupler U1, the other end of the second resistor R2 is grounded, the collector of the first photocoupler U1 is connected with an external power supply, and the collector of the first photocoupler U1 is grounded through the fourth capacitor C4;
the second rectifier bridge D6 is connected in parallel to two ends of the second signal access port, the anode of the second diode D4 is connected to the second signal access port, the cathode of the second diode D4 is connected to one end of the second voltage regulator tube D5, one end of the cathode of the second diode D5 is connected to one end of the fifth capacitor C5 and one end of the twelfth resistor R12, the other end of the fifth capacitor C5 and the other end of the twelfth resistor R12 are both grounded, the other end of the second voltage regulator tube D5 is connected to one end of the eleventh resistor R11, the other end of the second voltage regulator tube D5 is grounded through the thirteenth resistor R13, the other end of the eleventh resistor R11 is connected to the base of the second triode Q2, the emitter of the second triode Q2 is grounded, the collector of the second triode Q2 is connected to the input side of the second photocoupler U2, an input side of the second photocoupler U2 is connected with one end of the sixth capacitor C6, the other end of the sixth capacitor C6 is grounded, and the eighth resistor R8 is connected between the input side of the second photocoupler U2 and one end of the fifth capacitor C5 in series; an emitter of the second photocoupler U2 is grounded through the seventh capacitor C7, one end of a ninth resistor R9 is connected with an emitter of the second photocoupler U2, the other end of the ninth resistor R9 is grounded, a collector of the second photocoupler U2 is connected with an external power supply, and a collector of the second photocoupler U2 is grounded through the eighth capacitor C8;
and the emitters of the first photoelectric coupler U1 and the second photoelectric coupler U2 are connected with the input port of the single chip microcomputer.
2. The fire fighting pulse signal receiving circuit of claim 1, wherein the first diode D1 and the second diode D4 are each model BAS 316.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020775210.9U CN213338356U (en) | 2020-05-12 | 2020-05-12 | Fire control pulse signal receiving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020775210.9U CN213338356U (en) | 2020-05-12 | 2020-05-12 | Fire control pulse signal receiving circuit |
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| Publication Number | Publication Date |
|---|---|
| CN213338356U true CN213338356U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020775210.9U Active CN213338356U (en) | 2020-05-12 | 2020-05-12 | Fire control pulse signal receiving circuit |
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| CN (1) | CN213338356U (en) |
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- 2020-05-12 CN CN202020775210.9U patent/CN213338356U/en active Active
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