CN212781130U - Feedback circuit with equipment running state under multi-line control state - Google Patents
Feedback circuit with equipment running state under multi-line control state Download PDFInfo
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- CN212781130U CN212781130U CN202020400233.1U CN202020400233U CN212781130U CN 212781130 U CN212781130 U CN 212781130U CN 202020400233 U CN202020400233 U CN 202020400233U CN 212781130 U CN212781130 U CN 212781130U
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Abstract
The utility model discloses a feedback circuit with equipment running state under multi-line control state, which utilizes the combination installation of simple electric components and related circuit design, reasonable control logic, and ensures the reliability of the electric and equipment running, in particular utilizes the actuation action of a 1KM contactor to synchronously drive an auxiliary contact, thereby playing the role of overtemperature power-off protection; every binding post needs KMF normally open contact 157, 159's closure, normally open contact 157, 159's closed dry contact signal leads to sequence number 29, 30 binding post row, connect to sequence number 29, 30 binding post row through control cable one end, one end leads to the terminal of the controlled equipment echo lamp of the multi-thread control panel of fire control center, realize the long-range equipment running state of looking over of multi-thread control state, through reasonable optimization transformation, the real-time supervision of equipment running state when having reduced under the fire hazard state during multi-thread control, guarantee the reliability of fire equipment operation.
Description
Technical Field
The utility model relates to a have equipment running state feedback circuit under multi-thread control state belongs to building electromechanical installation engineering technical field.
Background
In the existing building electromechanical installation project, equipment control devices are various and mainly comprise a fire pump, a common water pump, a common fan and a fire fan; the fire-fighting fan and the fire-fighting water pump are particularly important, and are related to the life and property safety of the public; the traditional control method of the fire-fighting equipment control device only needs to reserve a group of equipment operation feedback signals in the control device as the operation feedback of the automatic fire alarm system in the automatic state.
In the existing fire automatic alarm system certified by fire-fighting products, independent fan operation feedback contacts are required under a multi-line control state (namely a manual control state), but the existing actual fire-fighting equipment control box (figure 1: national building standard design drawing set/16D 303-2P 22) does not have corresponding feedback contacts which are independently used under the multi-line control state.
In view of the above problems, some corresponding control devices have not been presented so far.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a have equipment running state feedback circuit under multi-thread control state to solve among the civil architecture under the multi-thread control state of conflagration automatic alarm to the visual display of operating personnel reading equipment running state, thereby overcome the not enough of prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
a feedback design circuit with equipment running state under the multi-line control state comprises an electric main loop and an electric secondary control loop, wherein the electric secondary control loop comprises a manual control panel control loop, a fire control loop, a fire prevention valve control loop and a control circuit for controlling a signal response lamp,
the 1KM contactor is connected in series on the electric main loop, so that a closed loop is formed by the electric main loop control power supply, the 1KM contactor and at least one fan which are connected in parallel;
a 1KMF auxiliary contact is arranged on the 1KM contactor, and the pull-in action of the 1KMF auxiliary contact is synchronous with the pull-in action of the 1KM contactor;
the 1KMF auxiliary contact comprises 157 and 159 auxiliary contacts;
two terminals 29 and 30 are arranged on an X outlet terminal row of the electrical secondary control circuit;
the control circuit for controlling the signal-back lamp comprises the signal-back lamp and a power supply, and the two terminals 29 and 30 are connected in series into the control circuit for controlling the signal-back lamp;
the two auxiliary contact outgoing lines of 157 and 159 are correspondingly connected with two terminals of 29 and 30 to form a closed loop formed by sequentially connecting a signal light, a power supply, the terminal of 29, the auxiliary terminal of 1KMF and the terminal of 30 in series;
preferably, the manual control panel control circuit comprises a DC24 power supply, an SF2 switch and a KA4 relay, and a 1KA3 intermediate relay is arranged on the manual control panel control circuit;
the 1KA3 intermediate relay is connected with the KA4 relay in parallel and then is connected with an SF2 switch and a DC24 power supply in series to form a closed loop;
meanwhile, the 1KA3 intermediate relay is connected in series to the fire control loop.
Working principle;
FIG. 1 is a circuit control diagram of a national standard fire automatic alarm system, wherein the circuit part in the D area is a design circuit of a manual control panel of a fire-fighting linkage controller, wherein KA4 and KA5 are respectively a start relay and a stop relay, SF2 and SF3 switches are respectively connected in series with KA4 and KA5, wherein SF2 and SF3 switches are in a linkage switch structure (the linkage switch corresponds to a start/stop switch on an actual multi-line control panel)
Firstly, feeding back whether a fan normally operates or not; a multi-line control panel (a start/stop switch) of a fire control center is pulled, SF2 is closed at the moment, SF3 is disconnected, DC24V voltage in a multi-line control panel control circuit is transmitted to terminals A1 and A2 of a box body terminal row (namely terminals A1 and A2 at two ends of a KA4 relay) through a fire control line, terminals A1 and A2 are electrified to obtain DC24V, terminals A1 and A2 in the box are connected with terminals of a base coil of a 1KA3 intermediate relay, the coil of the 1KA3 intermediate relay is electrified to attract, and a normally open contact of the 1KA3 is closed; the YF of the fire valve is normally opened (the fire valve control circuit is closed and communicated), the terminals of the fire valve are communicated, the coil of the 1KA1 intermediate relay on the fire valve control circuit is electrified, the KA1 intermediate relay on the fire control circuit is closed, the coil of the 1KM contactor on the fire control circuit is electrified to be attracted by the contactor, so that the lower terminals 2, 4 and 6 of the 1KM contactor in the electric main circuit are respectively communicated with the upper ends 1, 3 and 5, the breaker, the 1KM contactor and the thermal relay on the electric main circuit form a passage, the lower terminals 2, 4 and 6 of the thermal relay are respectively connected with the upper ends 7, 9 and 11 of the L1-L3 outlet terminal rows, the lower ends 8, 10 and 12 of the L1-L3 outlet terminal rows are respectively connected with the inner wiring terminals of the motor junction box through cables, and the motor is.
The 1KM contactor in the electric main loop is provided with a 1KMF auxiliary contact, the 1KM contactor performs pull-in action, the 1KMF auxiliary contact performs synchronous action with the 1KM contactor, the 1KMF auxiliary contact closes contact terminals 157 and 159, closing signals of the 157 and 159 terminals of the 1KMF auxiliary contact are respectively connected with the 29 and 30 terminals on the X1 outgoing line terminal row through an electric secondary control loop line, the X1 outgoing line terminal rows 29 and 30 are connected with a controlled equipment signal-back lamp terminal through a control line to a fire center (since the 29 and 30 terminals only realize the line communication function, namely the 157 and 159 terminals are merged into a control circuit of the signal-back lamp, if the 157 and 159 terminals are closed, the signal-back lamp is conducted), and the controlled equipment signal-back lamp is lightened.
Feeding back whether the fan can be normally stopped or not; under normal conditions, the description process is opposite to the description process of whether the fan normally operates, when the fan stops, SF2 is disconnected, the 1KM contactor cannot be powered on to form a separation action, the fan stops working because the 1KM contactor is disconnected on an electric main loop, the 1KMF auxiliary contact which is in linkage relation with the 1KM contactor is also disconnected (namely, the 157 terminal and the 159 terminal are disconnected signals), the signal-back lamp is turned off, and if the signal-back lamp is still turned on, the fault of control equipment is known, and the power supply inlet wire in the fan control loop is turned off for maintenance.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an optimize traditional control method (national building standard design atlas/16D 303-2P 22), utilize the design that has equipment running state feedback under the multi-thread control state, improved reliability, the security of fire-fighting equipment operation. The automatic fire alarm system is suitable for remotely displaying the equipment running state of the automatic fire alarm system of the civil building in a multi-line control state, the running reliability of fire-fighting equipment is improved, and the working efficiency of operation and maintenance is improved.
Drawings
FIG. 1 is a circuit diagram of a fire-fighting and normal-time dual-purpose fan (national building standard design drawing set/16D 303-2P 22);
FIG. 2 is a circuit diagram of the system design of the present invention;
FIG. 3 is an enlarged view of a portion of region E of FIG. 2;
fig. 4 is a partial enlarged view of the X1X outlet terminal row of the present invention;
FIG. 5 is a schematic diagram of the main electrical loop of the present invention;
the utility model discloses a schematic diagram of a control loop principle;
FIG. 6 is a schematic diagram of the detailed circuit connections of the 1KM contactor, the thermal relay, the L1-L3 outlet terminal row and the fan of the present invention;
fig. 7 is a detailed circuit connection diagram of the 1KM contactor, the thermal relay, the L1-L3 outlet terminal row and the fan in the present invention.
Description of reference numerals: the system comprises a 1-electric main circuit, a 2-fire control circuit, a 3-manual control panel control circuit, a 4-fire-proof valve control circuit, a 5-control circuit for controlling a signal return lamp, a 6-1KM contactor, a 7-1KMF auxiliary contact, a 9-signal return lamp, a 10-power supply, an 11-DC24 power supply, a 12-SF2 switch, a 13-X outlet terminal row, a 14-KA4 relay, a 15-1KA3 intermediate relay, a 16-thermal relay, a 17-circuit breaker and an 18-L1-L3 outlet terminal row.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In addition, an element of the present invention may be said to be "secured to" or "disposed on" another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Fig. 1 is a circuit control diagram of a national standard automatic fire alarm system, wherein a circuit part in a region D of fig. 1 is a design circuit of a manual control panel of a fire-fighting linkage controller, wherein KA4 and KA5 are respectively a start relay and a stop relay (KA4 relay corresponds to a subsequent reference numeral 14), and SF2 and SF3 switches are respectively connected in series with KA4 and KA5, wherein SF2 (corresponds to a subsequent reference numeral 12) and SF3 switches are of a linkage switch structure (the linkage switch corresponds to a start/stop switch on an actual multi-line control panel).
Manual control, namely starting a start/stop switch on a multi-line control panel, and correspondingly closing an SF2 switch (an SF3 switch is disconnected) on a control circuit of the automatic fire alarm system, connecting a KA4 start relay (a KA5 stop relay is disconnected) for work, and transmitting the action (or signal) of the KA4 start relay to a fan main control circuit of a fan through an electric secondary control loop, so that the start of the fan is controlled, and the fan closing principle is consistent; however, when the electric wires of the related control loops in the actual fire-fighting equipment control box are disconnected or the electric elements on the related control loops are damaged, the SF2 and SF3 switches cannot normally control the opening and closing of the fan; however, for monitoring workers, whether fans located in different buildings and different positions normally operate is not clear, so that potential safety hazards are caused.
The utility model provides a technical scheme: referring to the attached figure 2-, a design method for feeding back the running state of equipment in a multi-line control state is characterized in that a 1KM contactor is connected in series on an electric main loop, a contactor running signal feedback loop is arranged on an electric secondary control loop, and the on-off state of the contactor running signal feedback loop is consistent with the on-off state of the 1KM contactor; the on and off signals of the contactor operation signal feedback loop are transmitted to a control loop for controlling the signal-returning lamp, and the signal-returning lamp correspondingly displays on and off according to the state of the contactor operation signal feedback loop, so that the fan operation feedback of a multi-line control state is realized.
Preferably, the contactor operation signal feedback loop comprises a 1KMF auxiliary contact, the 1KMF auxiliary contact is connected with the electrical secondary control loop in a logic relationship, and the 1KMF auxiliary contact is connected with the electrical primary loop in a contact manner;
the 1KMF auxiliary contact and the electric main loop are connected in a contact mode, and the method comprises the following steps: the 1KM contactor and the 1KMF auxiliary contact are in linkage connection in the electric main loop, namely, the 1KMF auxiliary contact is arranged on the 1KM contactor, and the suction action of the 1KMF auxiliary contact is synchronous with that of the 1KM contactor;
the 1KMF auxiliary contact is connected with an electric secondary control loop in a logic relation mode, namely: the 1KMF auxiliary contact comprises 157 and 159 auxiliary contact terminals; the X outgoing line terminal row of the electrical secondary control loop is provided with two terminals 29 and 30, wherein the two terminals 29 and 30 are outgoing lines to a fire control center and are connected to a control loop used for controlling the signal return lamp in the electrical secondary control loop through cross screws, the two auxiliary contact terminal outgoing lines 157 and 159 are correspondingly connected with the two terminals 29 and 30 and are fixed at the connection position through the cross screws, a closed loop formed by sequentially connecting the signal return lamp, a power supply, the terminal 29 and the terminal 1KMF in series and the terminal 30 is formed, wherein the two terminals 29 and 30 only achieve the circuit conduction effect, and therefore the on and off of the signal return lamp on the closed loop corresponding to the on and off of the two terminals 157 and 159 are achieved.
Preferably, a 1KA3 intermediate relay is arranged on a manual control panel control loop of the electric secondary control loop, the 1KA3 intermediate relay is connected with a KA4 relay in the manual control panel control loop in parallel and connected with an SF2 switch in series, a DC24 power supply, the SF2 switch and the 1KA3 intermediate relay in the manual control panel control loop form a closed loop in series, and the 1KA3 intermediate relay is connected with an anti-theft control loop in the electric secondary control loop in series.
The designed circuit with equipment running state feedback in the multi-line control state required by the method comprises an electric main loop 1 and an electric secondary control loop, wherein the electric secondary control loop comprises a manual control panel control loop 3, a fire control loop 2, a fire prevention valve control loop 4 and a control circuit 5 for controlling a signal lamp,
the 1KM contactor 6 is connected in series on the electric main loop 1, so that an electric main loop power supply, the 1KM contactor 6 and at least one fan which are connected in parallel form a closed loop;
a 1KMF auxiliary contact 7 is arranged on the 1KM contactor 6, and the pull-in action of the 1KMF auxiliary contact 7 is synchronous with the pull-in action of the 1KM contactor 6;
the 1KMF auxiliary contact 7 comprises 157 and 159 auxiliary contacts;
two terminals 29 and 30 are arranged on an X outlet terminal row 13 of the electrical secondary control circuit;
the control circuit 5 for controlling the signal lamp comprises a signal lamp 9 and a power supply 10, and the two terminals 29 and 30 are connected in series into the control circuit 5 for controlling the signal lamp;
the two auxiliary contact outgoing lines of 157 and 159 are correspondingly connected with two terminals of 29 and 30 to form a closed loop formed by sequentially connecting a signal lamp 9, a power supply 10 and 29 terminal, and a 1KMF auxiliary 7 and 30 terminal in series;
preferably, the manual control panel control circuit 3 comprises a DC24 power supply 11, an SF2 switch 12 and a KA4 relay 14, and a 1KA3 intermediate relay 15 is arranged on the manual control panel control circuit 3;
the 1KA3 intermediate relay 15 is connected with the KA4 relay in parallel and then is connected with the SF2 switch 12 and the DC24 power supply 11 in series to form a closed loop;
meanwhile, the 1KA3 intermediate relay 15 is connected in series to the fire-fighting control circuit 2.
Working principle;
FIG. 1 is a circuit control diagram of a national standard fire automatic alarm system, wherein the circuit part in the D area is a design circuit of a manual control panel of a fire-fighting linkage controller, wherein KA4 and KA5 are respectively a start relay and a stop relay, SF2 and SF3 switches are respectively connected in series with KA4 and KA5, wherein SF2 and SF3 switches are in a linkage switch structure (the linkage switch corresponds to a start/stop switch on an actual multi-line control panel)
Firstly, feeding back whether a fan normally operates or not; a multi-line control panel (a start/stop switch) of a fire control center is pulled, SF2 is closed at the moment, SF3 is disconnected, DC24V voltage in a multi-line control panel control circuit is transmitted to terminals A1 and A2 of a box body terminal row (namely terminals A1 and A2 at two ends of a KA4 relay) through a fire control line, terminals A1 and A2 are electrified to obtain DC24V, terminals A1 and A2 in the box are connected with terminals of a base coil of a 1KA3 intermediate relay, the coil of the 1KA3 intermediate relay is electrified to attract, and a normally open contact of the 1KA3 is closed; the YF of the fire valve is normally opened (in the prior art, SF2 is closed, the fire valve control circuit is closed and communicated), the terminals in the state of the fire valve are communicated, the coil of the 1KA1 intermediate relay on the fire valve control circuit is electrified, the KA1 intermediate relay on the fire control circuit is closed, the coil of the 1KM contactor on the fire control circuit is electrified to be attracted by the contactor, so that the lower terminals 2, 4 and 6 of the 1KM contactor in the electric main circuit are respectively communicated with the upper ends 1, 3 and 5, the circuit breakers 17, 1KM contactor and the thermal relay 16 on the electric main circuit form a passage, the lower terminals 2, 4 and 6 of the thermal relay are respectively connected with the upper ends 7, 9 and 11 of the L1-L3 outgoing line terminal row 18, the lower ends 8, 10 and 12 of the L1-L3 outgoing line terminal row 18 are respectively connected with the internal wiring terminals of the motor junction box through.
The 1KM contactor in the electric main loop is provided with a 1KMF auxiliary contact, the 1KM contactor performs pull-in action, the 1KMF auxiliary contact performs synchronous action with the 1KM contactor, the 1KMF auxiliary contact closes contact terminals 157 and 159, closing signals of the 157 and 159 terminals of the 1KMF auxiliary contact are respectively connected with the 29 and 30 terminals on the X1 outgoing line terminal row 13 through an electric secondary control loop, the 29 and 30 terminals on the X1 outgoing line terminal row 13 are connected with a controlled equipment signal lamp terminal through a control line to a fire center (namely, the 29 and 30 terminals are connected with the controlled equipment signal lamp terminal in a control loop with a signal lamp, if the 29 and 30 terminals are closed, the signal lamp is conducted), and the controlled equipment signal lamp is lighted.
Feeding back whether the fan can be normally stopped or not; under normal conditions, the description process is opposite to the description process of whether the fan normally operates, when the fan stops, SF2 is disconnected, the 1KM contactor cannot be powered on to form a separation action, the fan stops working because the 1KM contactor is disconnected on an electric main loop, the 1KMF auxiliary contact which is in linkage relation with the 1KM contactor is also disconnected (namely, the 157 terminal and the 159 terminal are disconnected signals), the signal-back lamp is turned off, and if the signal-back lamp is still turned on, the fault of control equipment is known, and the power supply inlet wire in the fan control loop is turned off for maintenance.
The utility model discloses creative in current control circuit, through adding corresponding relay and circuit, can realize having equipment running state feedback in the return circuit under the multi-thread control state, simple prescription pen is installed, low cost, and reliability and stability are high simultaneously.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. The utility model provides a have equipment running state feedback circuit under multi-thread control state, includes electric main loop (1) and electric secondary control return circuit, electric secondary control return circuit includes manual control dish control loop (3), fire control loop (2), fire prevention valve control loop (4) and control circuit (5) that are used for controlling the signalling lamp, its characterized in that:
connecting a 1KM contactor (6) on the electric main loop (1) in series, so that a closed loop is formed by an electric main loop power supply, the 1KM contactor (6) and at least one fan which are connected in parallel;
a 1KMF auxiliary contact (7) is arranged on the 1KM contactor (6), and the suction action of the 1KMF auxiliary contact (7) is synchronous with the suction action of the 1KM contactor (6);
the 1KMF auxiliary contact (7) comprises 157 and 159 auxiliary contacts;
an X outlet terminal row (13) of the electrical secondary control circuit is provided with two terminals 29 and 30;
the control circuit (5) for controlling the signal lamp comprises a signal lamp (9) and a power supply (10), and the two terminals 29 and 30 are connected in series into the control circuit (5) for controlling the signal lamp;
the two auxiliary contact outgoing lines 157 and 159 are correspondingly connected with two terminals 29 and 30 to form a closed loop formed by sequentially connecting a signal lamp (9), a power supply (10), the terminal 29, a 1KMF auxiliary contact (7) and the terminal 30 in series.
2. The multi-line control state feedback circuit with device operation state as claimed in claim 1, wherein:
the manual control panel control circuit (3) comprises a DC24 power supply (11), an SF2 switch (12) and a KA4 relay (14), and a 1KA3 intermediate relay (15) is arranged on the manual control panel control circuit (3);
the 1KA3 intermediate relay (15) is connected with the KA4 relay in parallel and then is connected with the SF2 switch (12) and the DC24 power supply (11) in series to form a closed loop;
meanwhile, the 1KA3 intermediate relay (15) is connected in series to the fire control loop (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020400233.1U CN212781130U (en) | 2020-03-25 | 2020-03-25 | Feedback circuit with equipment running state under multi-line control state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020400233.1U CN212781130U (en) | 2020-03-25 | 2020-03-25 | Feedback circuit with equipment running state under multi-line control state |
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| Publication Number | Publication Date |
|---|---|
| CN212781130U true CN212781130U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020400233.1U Active CN212781130U (en) | 2020-03-25 | 2020-03-25 | Feedback circuit with equipment running state under multi-line control state |
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| CN (1) | CN212781130U (en) |
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