CN211981576U

CN211981576U - Forced starting circuit of fire fighting equipment

Info

Publication number: CN211981576U
Application number: CN202020848557.1U
Authority: CN
Inventors: 杜依恒
Original assignee: Yuheng Electric Hubei Co ltd
Current assignee: Yuheng Electric Hubei Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-11-20
Anticipated expiration: 2030-05-19

Abstract

A fire apparatus power up circuit, comprising: the system comprises a debugging loop and a working loop, wherein one ends of the debugging loop and the working loop are connected to one end of a power supply through a main loop alternating current contactor of the fire fighting equipment; the debugging loop is connected with a switching-off button and a switching-on button in series; a manual automatic change-over switch is connected between the debugging loop and the working loop and is used for selecting one to connect the debugging loop and the working loop; a fire control loop, on which a fire signal intermediate relay is arranged; the auxiliary contact of the fire-fighting signal intermediate relay is connected in series with the working loop; and auxiliary contacts of a main loop alternating current contactor KM of the fire fighting equipment are connected in parallel at two ends of a closing button.

Description

Forced starting circuit of fire fighting equipment

Technical Field

The utility model relates to a fire control technical field, concretely relates to fire-fighting equipment opens circuit by force.

Background

Along with the development and the perfection of the building industry, various related supporting facilities are more and more complete, the fire fighting equipment is more and more important in the field of buildings as a device for guaranteeing safety and preventing accidents, when an accident occurs, how to quickly start the fire fighting equipment is very critical, as the fire fighting equipment is arranged at different positions of a building, a matched power supply starting box is also arranged along with the corresponding position of the equipment, if the fire fighting equipment is manually driven to each site to be started, the time consumption is often too long, even if some conditions that the manpower is normally close to the site are met, the best rescue opportunity is lost, and further, life and property safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a fire-fighting equipment opens circuit by force, makes it can the automatic start fire-fighting equipment.

The utility model provides a technical scheme that technical problem adopted is: a fire apparatus power up circuit, comprising: the system comprises a debugging loop and a working loop, wherein one ends of the debugging loop and the working loop are connected to one end of a power supply through a main loop alternating current contactor of the fire fighting equipment; the debugging loop is connected with a switching-off button and a switching-on button in series; a manual automatic change-over switch is connected between the debugging loop and the working loop and is used for selecting one to connect the debugging loop and the working loop; a fire control loop, on which a fire signal intermediate relay is arranged; the auxiliary contact of the fire-fighting signal intermediate relay is connected in series with the working loop; and auxiliary contacts of a main loop alternating current contactor KM of the fire fighting equipment are connected in parallel at two ends of a closing button.

The utility model discloses a fire-fighting equipment opens circuit auxiliary relay and a manual automatic change over switch by force can make fire control backstage signal start by force to on-the-spot fire-fighting equipment, and it is reliable and stable, and low cost, but wide application in various building fire control class distribution boxes.

Drawings

Fig. 1 is a schematic structural diagram of a fire fighting equipment forced-start circuit according to a preferred embodiment of the present invention;

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. 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 a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.

Please refer to fig. 1.

The utility model discloses a fire-fighting equipment opens circuit by force is connected with power both ends L, N, opens the circuit by force and includes debugging return circuit and work circuit, and the one end of debugging return circuit and work circuit all is connected to the N end of power through a fire-fighting equipment main loop ac contactor KM. And an opening button SBF and a closing button SBH are connected in series on the debugging loop. A manual automatic change-over switch SA is connected between the debugging loop and the working loop and is used for connecting the debugging loop during debugging and connecting the working loop during working.

As shown in fig. 1, when the manual automatic transfer switch SA moves to the left end, the breakpoints 1 and 2 on the debugging loop are turned on, and the breakpoints 3 and 4 on the working loop are turned off; when the manual automatic change-over switch SA moves to the right end, breakpoints 3 and 4 on the working circuit are switched on, and breakpoints 1 and 2 on the debugging circuit are switched off.

A fire control loop is provided with a fire control signal intermediate relay KA. An auxiliary contact KA1 of the fire signal intermediate relay KA is connected in series on the working loop. And an auxiliary contact KM1 of the main loop alternating current contactor KM of the fire fighting equipment is connected in parallel at two ends of the closing button SBH.

When the field equipment is installed, debugged and overhauled, the breakpoints 1 and 2 are switched on through the SA, and at the moment, the fire-fighting equipment is manually started and stopped by a worker manually operating the brake-off button SBF and the brake-on button SBH; when the fire-fighting equipment is put into use, the breakpoints 3 and 4 are connected in the SA and are placed in a working state, and the manual control is invalid.

In case of fire accident, the fire monitoring room sends DC24V fire signal to the intermediate relay KA. After the KA is electrified, the auxiliary contact connected in series with the automatic control loop is connected, the KM in the main loop of the fire fighting equipment can be electrified and closed, and the fire fighting equipment is started forcibly.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

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; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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.

Claims

1. A fire fighting equipment power up circuit, comprising:

the system comprises a debugging loop and a working loop, wherein one ends of the debugging loop and the working loop are connected to one end of a power supply through a main loop alternating current contactor of the fire fighting equipment; the debugging loop is connected with a switching-off button and a switching-on button in series; a manual automatic change-over switch is connected between the debugging loop and the working loop and is used for selecting one to connect the debugging loop and the working loop;

a fire control loop, on which a fire signal intermediate relay is arranged; the auxiliary contact of the fire-fighting signal intermediate relay is connected in series with the working loop; and auxiliary contacts of a main loop alternating current contactor KM of the fire fighting equipment are connected in parallel at two ends of a closing button.