Fire-fighting power supply cut-off type button switch and circuit

Abstract

The utility model relates to the technical field of fire fighting, in particular to a fire-fighting power supply cut-off type button switch and circuit, which comprises a fire-fighting pipeline and a cut-off mechanism. The cutting mechanism comprises a connecting pipe opening and a linkage assembly, the connecting pipe opening is fixedly connected with the firefighting pipeline, the linkage assembly comprises a sliding part, a driving part, a protective cover, a pushing rod, an inclined block, a jacking block, a conductive block and a limiting part, the sliding part is slidably connected with the firefighting pipeline, the driving part is fixedly connected with the sliding part, and the protective cover is fixedly connected with the firefighting pipeline. The pushing rod is fixedly connected with the sliding piece, the inclined block is fixedly connected with the pushing rod, the jacking block is slidably connected with the inclined block, the conductive block is fixedly connected with the jacking block, and the limiting piece is detachably connected with the jacking block, so that continuous cutting off of a power supply can be stably achieved, and the phenomenon of poor or false triggering during direct contact is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fire fighting, especially to a fire power cut-off type push button switch and circuit. BACKGROUND

[0002] When a fire occurs in a room, the fire hydrant system is often a key facility for fighting the fire. When the fire hydrant is used to fight the fire, a large amount of fire water flows in the room, and there are also power distribution cabinets, distribution boxes and other electrical equipment in the room. This results in electric shock accidents during or after the fire fighting process. In order to avoid such accidents, buildings with a linkage controller are provided with a linkage facility for cutting off the non-fire power switch. However, buildings with a separate fire hydrant system generally do not have a fire linkage controller, so it is impossible to avoid electric shock accidents.

[0003] To solve the above problems, the prior art patent (CN222233525U) discloses a non-fire power switch cutting device started by fire. The utility model adopts the technical scheme of: including a hydroelectric power generation device, a water flow sensor, a non-fire power switch linkage control electromagnetic relay, and a weak signal power supply. The water flow sensor and the hydroelectric power generation device are arranged in the fire pipe. The hydroelectric power generation device leads out a wire to connect the weak signal power supply. The weak signal power supply is connected in series with the water flow sensor and connected to the non-fire power switch linkage control electromagnetic relay. The weak signal power supply, the water flow sensor and the non-fire power switch linkage control electromagnetic relay form a power supply circuit. The action end of the non-fire power switch linkage control electromagnetic is connected in series before the line switch of the non-fire power switch. When the utility model is used, the non-fire power switch can be cut off in linkage when the indoor fire hydrant is used. This ensures that the electrical equipment in the room is not electrified, and avoids electric shock accidents.

[0004] However, in the above-mentioned prior art, the water flow sensor triggers the contact of the conductive body by rotating the paddle to realize the transmission of the signal. There may be poor or false triggering when the contact is made. Utility model content

[0005] The utility model aims at providing a fire power cut-off type push button switch and circuit, which solves the technical problem that the water flow sensor triggers the contact of the conductive body by rotating the paddle to realize the transmission of the signal in the prior art. There may be poor or false triggering when the contact is made.

[0006] In order to achieve the above object, the utility model discloses a kind of fire power cut-off type push button switch, including fire pipeline and cut-off mechanism;The cut-off mechanism includes connecting pipe and linkage assembly, the connecting pipe is fixedly connected with the fire pipeline, and it is located at the outside of the fire pipeline, the linkage assembly includes sliding member, driving piece, protective cover, push rod, inclined block, jacking block, conducting block and limiting piece, the sliding member is slidably connected with the fire pipeline, and it is located in the fire pipeline, the driving piece is fixedly connected with the sliding member, and it is located at the center position of the fire pipeline, the protective cover is fixedly connected with the fire pipeline, and it is located above the fire pipeline, the push rod is fixedly connected with the sliding member, and it is located in the protective cover, the inclined block is fixedly connected with the push rod, and it is located above the push rod, the jacking block is slidably connected with the inclined block, and it is located above the inclined block, the conducting block is fixedly connected with the jacking block, and it is located above the protective cover, the limiting piece is detachably connected with the jacking block, and it is located at the outside of the protective cover.

[0007] Among them, the sliding member includes fixed plate, first telescopic spring and push block, the fixed plate is fixedly connected with the fire pipeline, and it is located in the fire pipeline, the first telescopic spring is fixedly connected with the fixed plate, and it is located at the outside of the fixed plate, the push block is slidably connected with the fire pipeline, and it is located at the side of the first telescopic spring away from the fixed plate.

[0008] Among them, the sliding member further includes sliding block and two sealing layers, the sliding block is fixedly connected with the push block, and it is located at the two sides of the push block, two sealing layers are fixedly connected with the sliding block, and it is located at the side of the sliding block adjacent to the push block.

[0009] Among them, the driving piece includes connecting rod, fixed seat and rotating blade, the connecting rod is fixedly connected with the push block, and it is located below the push block, and the connecting rod penetrates the sealing layer, the fixed seat is fixedly connected with the connecting rod, and it is located at the outside of the connecting rod, the rotating blade is rotatably connected with the fixed seat, and it is located at the outside of the fixed seat, and the rotating blade is located at the center position of the fire pipeline.

[0010] Among them, the limiting piece includes L-shaped plate, reset ring, second telescopic spring and limiting rod, the L-shaped plate is fixedly connected with the protective cover, and it is located at the outside of the protective cover, the reset ring is fixedly connected with one end of the second telescopic spring, and it is located at the outside of the L-shaped plate, the other end of the second telescopic spring is fixedly connected with the limiting rod, and it is located in the L-shaped plate, the limiting rod is detachably connected with the jacking block, and penetrates the protective cover.

[0011] The utility model discloses still provide a kind of fire power cut-off type button circuit, it is applied to the fire power cut-off type button switch as described above among, the fire power cut-off type button circuit includes resistance R1, capacitor C1, water flow sensor G1, switch KM1, contactor KA, fire strong start signal A1, auxiliary contact KA1 and fuse FU, the capacitor C1 with resistance R1 electric connection, the water flow sensor G1 with capacitor C1 electric connection, the switch KM1 with water flow sensor G1 electric connection, the contactor KA with water flow sensor G1 electric connection, the fire strong start signal A1 with contactor KA electric connection, the auxiliary contact KA1 with fire strong start signal A1 electric connection, the fuse FU with auxiliary contact KA1 electric connection.

[0012] The utility model discloses a kind of fire power cut-off type button switch and circuit, when being used specifically, the connecting pipe mouth is used for the fire pipeline is connected with external pipeline, when the fire water in the fire pipeline flows, the driving part pushes back the sliding member sliding, the sliding member drives the push rod to move, the inclined block pushes the jacking block upwards, so that the electrically-conductive block connects water flow sensor and realizes the cut-off of power supply, the restriction member fixes the jacking block, so that the electrically-conductive block keeps circuit conduction state, with this method, the problem that the bad or false touch phenomenon possibly exists when contact of electrically-conductive body is triggered by paddle rotation can be effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0014] Figure 1 It is the structure schematic diagram of a kind of fire power cut-off type button switch and circuit of the utility model.

[0015] Figure 2 It is the fire power cut-off type button switch of the utility model Figure 1 The A place local structure enlarged view of.

[0016] Figure 3 It is the side view of a kind of fire power cut-off type button switch and circuit of the utility model.

[0017] Figure 4 It is the fire power cut-off type button switch of the utility model Figure 3 B-B place structure section view of.

[0018] Figure 5 It is the fire power cut-off type button switch of the utility modelFigure 4 is a local structure enlarged view of C of

[0019] Figure 6 is a local structure schematic view of the linkage assembly of the utility model.

[0020] Figure 7 is a circuit diagram of a fire power cut-off type button circuit of the utility model.

[0021] 101-fire pipe, 102-connection pipe orifice, 103-fixing plate, 104-first elastic spring, 105-push block, 106-sliding block, 107-sealing layer, 108-connection rod, 109-fixing base, 110-rotating blade, 111-protective cover, 112-push rod, 113-inclined block, 114-lifting block, 115-conductive block, 116-L-shaped plate, 117-reset ring, 118-second elastic spring, 119-limiting rod. DETAILED DESCRIPTION

[0022] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0023] Please refer to Figures 1-6 , wherein Figure 1 is a structure schematic view of a fire power cut-off type button switch and circuit of the utility model, Figure 2 is a Figure 1 is a local structure enlarged view of A of Figure 3 is a side view of a fire power cut-off type button switch and circuit of the utility model, Figure 4 is a Figure 3 is a structure section view of B-B of Figure 5 is a Figure 4 is a local structure enlarged view of C of Figure 6 is a local structure schematic view of the linkage assembly of the utility model.

[0024] The utility model provides a kind of fire power cut-off type push button switch, including fire pipeline 101 and cut-off mechanism, the cut-off mechanism includes connecting pipe 102 and linkage assembly, the linkage assembly includes slider, driving part, protective cover 111, push rod 112, inclined block 113, jacking block 114, conducting block 115 and limiting piece, the slider includes fixed plate 103, first telescopic spring 104, push block 105, sliding block 106 and two sealing layers 107, the driving part includes connecting rod 108, fixed seat 109 and rotating leaf 110, the limiting piece includes L-shaped plate 116, reset ring 117, second telescopic spring 118 and limiting rod 119, the foregoing scheme solves the phenomenon of the problem that water flow sensor triggers conducting body contact to realize the transmission of signal by paddle rotation, there can be bad or false triggering phenomenon when contact.

[0025] For the specific embodiment, the connecting pipe 102 is fixedly connected with the fire pipeline 101 and located outside the fire pipeline 101, the linkage assembly includes a slider, a driving part, a protective cover 111, a push rod 112, an inclined block 113, a jacking block 114, a conducting block 115 and a limiting piece, the slider is slidably connected with the fire pipeline 101 and located inside the fire pipeline 101, the driving part is fixedly connected with the slider and located at the center of the fire pipeline 101, the protective cover 111 is fixedly connected with the fire pipeline 101 and located above the fire pipeline 101, the push rod 112 is fixedly connected with the slider and located inside the protective cover 111, the inclined block 113 is fixedly connected with the push rod 112 and located above the push rod 112, the jacking block 114 is slidably connected with the inclined block 113 and located above the inclined block 113, the conducting block 115 is fixedly connected with the jacking block 114 and located above the protective cover 111, the limiting piece is detachably connected with the jacking block 114 and located outside the protective cover 111, the connecting pipe 102 is used for connecting the fire pipeline 101 with an external pipeline, when the fire water in the fire pipeline 101 flows, the driving part pushes the slider to slide backward, the slider drives the push rod 112 to move, the inclined block 113 pushes the jacking block 114 upward, so that the conducting block 115 connects the water flow sensor to cut off the power supply, the limiting piece fixes the jacking block 114, so that the conducting block 115 maintains the circuit conduction state, and this method can effectively solve the problem that the conducting body triggered by paddle rotation may have bad or false triggering phenomenon when contact.

[0026] The fixed plate 103 is fixedly connected with the fire-fighting pipeline 101 and located in the fire-fighting pipeline 101, the first telescopic spring 104 is fixedly connected with the fixed plate 103 and located outside the fixed plate 103, the push block 105 is slidably connected with the fire-fighting pipeline 101 and located on the side of the first telescopic spring 104 away from the fixed plate 103, and the fixed plate 103 is arranged in the fire-fighting pipeline 101 and connected with the push block 105 through the first telescopic spring 104.

[0027] Secondly, the sliding block 106 is fixedly connected with the push block 105 and located on both sides of the push block 105, two sealing layers 107 are fixedly connected with the sliding block 106 and located on the side of the sliding block 106 adjacent to the push block 105, when the push block 105 slides in the fire-fighting pipeline 101, the sliding block 106 assists the push block 105 to slide, so that the push block 105 can stably slide, and the two sealing layers 107 are arranged on the upper layer and the lower layer of the push block 105, so as to avoid the water and water vapor in the fire-fighting pipeline 101 from penetrating outwards from the sliding part.

[0028] Meanwhile, the connecting rod 108 is fixedly connected with the push block 105 and located below the push block 105, the connecting rod 108 penetrates through the sealing layer 107, the fixed seat 109 is fixedly connected with the connecting rod 108 and located outside the connecting rod 108, the rotating blade 110 is rotatably connected with the fixed seat 109 and located outside the fixed seat 109, and the rotating blade 110 is located at the center position of the fire-fighting pipeline 101, when the fire-fighting water passes through the fire-fighting pipeline 101, the rotating blade 110 rotates around the fixed seat 109, the paddle of the rotating blade 110 is arranged to be inclined, so as to assist the flow of the fire-fighting water, the connecting rod 108 is fixed on the side of the fixed seat 109 away from the rotating blade 110, the rotating blade 110 drives the connecting rod 108 to slide backward through the water flow, so as to drive the push block 105 to slide backward through the connecting rod 108.

[0029] In addition, the L-shaped plate 116 is fixedly connected with the protective cover 111 and located outside the protective cover 111, the reset ring 117 is fixedly connected with one end of the second telescopic spring 118 and located outside the L-shaped plate 116, the other end of the second telescopic spring 118 is fixedly connected with the limiting rod 119 and located inside the L-shaped plate 116, the limiting rod 119 is detachably connected with the jacking block 114 and penetrates through the protective cover 111, when the jacking block 114 jacks up the conductive block 115, the second telescopic spring 118 pushes the limiting rod 119 to insert into the jacking block 114, so that the jacking block 114 is fixed, when the work is completed, the reset ring 117 is manually pulled back, and the limiting rod 119 cancels the limitation on the jacking block 114.

[0030] Please refer to Figure 7 , Figure 7 is a circuit diagram of a fire power cut-off type button circuit, and the utility model also provides a fire power cut-off type button circuit, be applied to in the fire power cut-off type button switch as described above, the fire power cut-off type button circuit includes resistance R1, electric capacity C1, water flow sensor G1, switch KM1, contactor KA, fire strong start signal A1, auxiliary contact KA1 and fuse FU, the electric capacity C1 with resistance R1 electric connection, water flow sensor G1 with electric capacity C1 electric connection, switch KM1 with water flow sensor G1 electric connection, contactor KA with water flow sensor G1 electric connection, fire strong start signal A1 with contactor KA electric connection, auxiliary contact KA1 with fire strong start signal A1 electric connection, fuse FU with auxiliary contact KA1 electric connection.

[0031] Resistance R1 is used for current limiting and voltage dividing of the circuit, electric capacity C1 is used for filtering and energy storage of the circuit, when the fire water source triggers, push switch KM1 to close, water flow sensor G1 triggers, contactor KA drives auxiliary contact KA1 to close, fire strong start signal A1 activates, and external power supply is cut off.

[0032] Using the fire power cut-off type button switch of the embodiment, through setting the connecting pipe 102 and the linkage assembly, when using, the connecting pipe 102 is used for connecting the fire pipeline 101 with external pipeline, when the fire water in the fire pipeline 101 flows, the rotating blade 110 rotates around the fixed seat 109, the rotating blade 110 pushes the connecting rod 108 to slide backward through water flow, the connecting rod 108 drives the pushing block 105 to slide backward, the sliding block 106 assists the pushing block 105 to slide, the first extension spring 104 is compressed, the pushing block 105 drives the pushing rod 112 to move, the inclined block 113 pushes the jacking block 114 to jack up, so that the conductive block 115 connects the water flow sensor to cut off the power, the second extension spring 118 pushes the limiting rod 119 to insert into the jacking block 114, so as to fix the jacking block 114, when the work is completed, manually pull the reset ring 117 backward, the limiting rod 119 cancels the limitation of the jacking block 114, because the fire water stops flowing, the first extension spring 104 pushes the pushing block 105 to reset, the rotating blade 110 resets synchronously, so that the power can be continuously cut off stably, and the phenomenon of bad or mis-triggering when directly contacting can be effectively avoided.

[0033] The above disclosed is only a preferred embodiment of the utility model, of course, cannot with this to limit the utility model right scope, the person skilled in the art can understand that the whole or part processes of the above embodiment are realized, and the equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1. A fire power cut-off type push button switch, comprising a fire pipe, characterized in that, it further comprises a cutting mechanism; the cutting mechanism comprises a connecting pipe and a linkage assembly, the connecting pipe is fixedly connected with the fire pipe and located outside the fire pipe, the linkage assembly comprises a sliding piece, a driving piece, a protective cover, a push rod, an inclined block, a jacking block, a conductive block and a limiting piece, the sliding piece is slidingly connected with the fire pipe and located inside the fire pipe, the driving piece is fixedly connected with the sliding piece and located at the center of the fire pipe, the protective cover is fixedly connected with the fire pipe and located above the fire pipe, the push rod is fixedly connected with the sliding piece and located inside the protective cover, the inclined block is fixedly connected with the push rod and located above the push rod, the jacking block is slidingly connected with the inclined block and located above the inclined block, the conductive block is fixedly connected with the jacking block and located above the protective cover, and the limiting piece is detachably connected with the jacking block and located outside the protective cover.

2. The fire power cut-off type push button switch according to claim 1, characterized in that, the sliding piece comprises a fixed plate, a first extension spring and a push block, the fixed plate is fixedly connected with the fire pipe and located inside the fire pipe, the first extension spring is fixedly connected with the fixed plate and located outside the fixed plate, and the push block is slidingly connected with the fire pipe and located on the side of the first extension spring away from the fixed plate.

3. The fire power cut-off type push button switch according to claim 2, characterized in that, the sliding piece further comprises a sliding block and two sealing layers, the sliding block is fixedly connected with the push block and located on both sides of the push block, and the two sealing layers are fixedly connected with the sliding block and located on the side of the sliding block adjacent to the push block.

4. The fire power cut-off type push button switch according to claim 3, characterized in that, the driving piece comprises a connecting rod, a fixed seat and a rotating blade, the connecting rod is fixedly connected with the push block and located below the push block, the connecting rod penetrates through the sealing layers, the fixed seat is fixedly connected with the connecting rod and located outside the connecting rod, the rotating blade is rotatably connected with the fixed seat and located outside the fixed seat, and the rotating blade is located at the center of the fire pipe.

5. The fire power cut-off type push button switch according to claim 4, characterized in that, the limiting piece comprises an L-shaped plate, a reset ring, a second extension spring and a limiting rod, the L-shaped plate is fixedly connected with the protective cover and located outside the protective cover, the reset ring is fixedly connected with one end of the second extension spring and located outside the L-shaped plate, the other end of the second extension spring is fixedly connected with the limiting rod and located inside the L-shaped plate, and the limiting rod is detachably connected with the jacking block and penetrates through the protective cover.

6. A fire power cut-off type push button circuit applied to the fire power cut-off type push button switch according to any one of claims 1-5, characterized in that, The fire power cut-off type button circuit includes a resistor R1, a capacitor C1, a water flow sensor G1, a switch KM1, a contactor KA, a fire forced start signal A1, an auxiliary contact KA1 and a fuse FU, the capacitor C1 is electrically connected with the resistor R1, the water flow sensor G1 is electrically connected with the capacitor C1, the switch KM1 is electrically connected with the water flow sensor G1, the contactor KA is electrically connected with the water flow sensor G1, the fire forced start signal A1 is electrically connected with the contactor KA, the auxiliary contact KA1 is electrically connected with the fire forced start signal A1, and the fuse FU is electrically connected with the auxiliary contact KA1.

Images