Pre-action alarm valve
Technical Field
The invention relates to the field related to fire-fighting equipment, in particular to a pre-action alarm valve.
Background
The pre-action alarm valve is an automatic water spraying fire extinguishing device which combines fire detection alarm technology and an automatic water spraying system and has double protection function on a protected object, and is usually installed in places which need water to extinguish fire but are not allowed to spray water due to non-fire reasons, such as libraries, archives, museums, valuables storage rooms, computer rooms and the like for storing rare books.
At present, china patent application number CN201921708529.3 discloses a pre-action alarm valve, which comprises a shower valve and a wet alarm, the wet alarm is installed above the shower valve, a connecting pipeline is installed on the outer wall of the shower valve, a hydraulic alarm bell is installed on the top end of the right side of the connecting pipeline, a water filling port is installed on the right side of the wet alarm, a damping sleeve is arranged on the right side of the outer wall of the hydraulic alarm bell, once a fire disaster occurs, the hydraulic alarm bell gives out an alarm, the vibration amplitude generated on the outer side of the hydraulic alarm bell can be buffered by a rubber pad, the vibration amplitude generated by the hydraulic alarm bell is absorbed again by a compression spring, the vibration amplitude of the hydraulic alarm bell can be obviously reduced, the acting force between a pipeline supporting the hydraulic alarm bell and a valve body can be reduced, the connection strength between the hydraulic alarm bell and the valve body can be guaranteed, and the situation of supporting leakage between the hydraulic alarm bell pipeline and the valve body is not easy to occur.
However, in the use process of the pre-action alarm valve in the prior art, the shower valve is usually preferentially opened when a fire disaster or a fire occurs, and objects in the surrounding environment are soaked by water when fewer combustible objects exist around the fire source or the open fire of the fire source is smaller, so that the accuracy and flexibility of the alarm valve are relatively poor.
Disclosure of Invention
Accordingly, the present invention provides a pre-action alarm valve to solve the above-mentioned technical problems.
In order to achieve the aim, the pre-action alarm valve adopts the following technical scheme that the pre-action alarm valve comprises a valve body structure, an inclined frame, a transverse frame, a supporting rotation structure and a monitoring structure, wherein the top side of the right part of the valve body structure is fixedly connected with the transverse frame, the bottom side of the right part of the valve body structure is fixedly connected with the inclined frame, the other side of the inclined frame is fixedly connected with the transverse frame, the other end part of the transverse frame is connected with the supporting rotation structure, the bottom of the supporting rotation structure is connected with the monitoring structure, the valve body structure comprises a wet alarm valve body connected with two sides of an external water supply channel, a rain valve body arranged on the top side of the wet alarm valve body, a base fastened on the bottom side of the wet alarm valve body, supporting legs integrally formed on the outer surface of the base, a steering assembly arranged on one side of the top of the supporting legs and a sleeve connected with the right side of the top of the steering assembly, and the sleeve is wrapped on the outer surface of the wet alarm valve body, and the upper side and the lower sides of the right part of the sleeve are respectively fixed with the transverse frame and the inclined frame.
Preferably, a hydraulic alarm bell is arranged in a connecting pipeline outside the deluge valve main body, and a temperature sensor and a flow sensor are arranged inside the wet alarm valve main body and the deluge valve main body.
Preferably, arc-shaped through grooves are formed in the middle of the front side and the rear side of the sleeve, and the two arc-shaped through grooves are respectively arranged on the outer sides of the water inlet and the water outlet of the two sides of the wet alarm valve main body.
Preferably, the steering assembly comprises a mounting seat with the bottom fixed with the support leg, a first motor fastened on the inner top side of the mounting seat, a first bevel gear connected to the right output end of the first motor, and a first conical fluted disc meshed with the bottom of the first bevel gear, wherein the bottom of the first conical fluted disc is rotationally connected with the base, and the top of the first conical fluted disc is connected with the sleeve.
Preferably, the support rotating structure comprises a cylinder seat, a second conical gear disc, a second motor, a connecting cylinder, a supporting frame, a pipe body and a supporting column, wherein the left side of the cylinder seat is fixed with the transverse frame, the second conical gear disc is connected to the bottom of the cylinder seat in a rotating mode, the second conical gear disc is meshed with the left side of the top of the second conical gear disc, the second motor is connected to the middle part of the left side of the second conical gear disc, the connecting cylinder is fixed to the middle side of the bottom of the second conical gear disc, the supporting frame is fixedly connected to the left side of the connecting cylinder, the pipe body is fixed to the middle side of the bottom of the connecting cylinder, the supporting column is fixed to the left end of the pipe body, the left side of the supporting column is fastened with the supporting frame, the top of the second motor is fastened with the transverse frame, and the left side of the bottom of the pipe body is connected with the monitoring structure.
Preferably, the top of the rear side of the pipe body is connected to an external water supply channel through a flexible pipe.
Preferably, the monitoring structure comprises a pushing component, a bin seat, a hose, a liquid outlet valve and a camera, wherein the top of the pushing component is fixed with the supporting frame, the bin seat is connected to the right end part of the pushing component, the hose is arranged on the middle side of the top of the bin seat, the liquid outlet valve is embedded in the middle of the right side of the bin seat, the camera is arranged on the top of the right side of the bin seat, the top end part of the hose is connected with the pipe body, an inclined pipe is arranged on the right side inside the bin seat, and two sides of the inclined pipe are respectively connected with the hose and the liquid outlet valve.
Preferably, a processor and a wireless transmission module are arranged on the left side inside the bin seat and used for transmitting signal information to external equipment.
Preferably, the pushing component comprises a vertical frame with the top fixed with the supporting frame, a third motor fastened on the right lower side of the rear part of the vertical frame, a push rod connected to the front output end of the third motor, a first connecting rod connected to the top end part of the push rod, a first supporting rod rotationally connected to the bottom end part of the first connecting rod, a second connecting rod rotationally connected to the bottom end part of the first supporting rod, a second supporting rod rotationally connected to the top end part of the second connecting rod and a positioning block fixedly connected to the right side of the second supporting rod, the right side of the positioning block is fastened with the bin seat, the push rod is rotationally connected to the bottom side inside the vertical frame, the first supporting rod is rotationally connected to the top side inside the vertical frame, and the top of the second supporting rod is rotationally connected to the joint of the push rod and the first connecting rod.
Preferably, the first connecting rod, the first supporting rod, the second connecting rod and the second supporting rod form a quadrilateral structure on the inner side after being connected, and the two positioning blocks are arranged and are respectively positioned on the middle part and the bottom side of the right side of the second supporting rod.
Preferably, the first connecting rod and the second connecting rod have the same structure and size.
The invention has the beneficial effects that:
According to the invention, the valve body structure is optimally arranged, the supporting and rotating structure is connected to the valve body structure through the inclined frame and the transverse frame, the monitoring structure is connected to the bottom of the supporting and rotating structure, the sleeve is driven to rotate through the steering component on the valve body structure, so that the supporting and rotating structure and the monitoring structure synchronously act along with the rotation of the inclined frame and the transverse frame, the monitoring structure is further steered and shifted under the action of the supporting and rotating structure, the surrounding environment is observed through the monitoring structure, the pushing component on the monitoring structure acts to drive the bin seat to transversely move out while the valve body structure gives an alarm, so that the liquid outlet valve is close to the upper part of a fire source, the electromagnetic valve in the liquid outlet valve is opened to spray water to the fire place, the influence on the surrounding environment caused by excessive water discharge is reduced, and the accuracy and the flexibility of the alarm valve are improved.
According to the invention, the temperature sensor and the flow sensor are arranged in the wet alarm valve main body and the rain valve main body, the temperature and the water flow in the wet alarm valve main body and the rain valve main body are measured, so that more comprehensive monitoring capability is provided, arc-shaped through grooves are formed in the middle parts of the front side and the rear side of the sleeve, the two arc-shaped through grooves are respectively arranged at the outer sides of the water inlet and the water outlet of the two sides of the wet alarm valve main body, the generated limit is reduced, the stability of sleeve transposition is ensured, the inclined tube is arranged on the right side in the bin seat, the two sides of the inclined tube are respectively connected with the hose and the liquid outlet valve, water in the tube body is conveniently discharged into the liquid outlet valve through the hose, and the processor and the wireless transmission module are arranged on the left side in the bin seat and used for transmitting signal information to external equipment, and the monitored signal can be received through the external equipment, so that remote monitoring is performed.
The first connecting rod, the first supporting rod, the second connecting rod and the second supporting rod are connected to form a quadrilateral structure on the inner side, so that the quadrilateral structure can be folded to drive the second supporting rod to push out outwards, two positioning blocks are arranged and are respectively positioned on the middle part and the bottom side of the right side of the second supporting rod, the function of supporting and positioning is achieved, and the installation stability of the bin seat is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the valve body of the present invention;
FIG. 3 is a schematic view of the steering assembly of the present invention;
FIG. 4 is a schematic structural view of the support structure of the present invention;
FIG. 5 is a schematic diagram of the structure of the monitoring structure of the present invention;
FIG. 6 is a schematic view of the pushing assembly of the present invention.
The valve comprises a valve body structure-1, an inclined frame-2, a transverse frame-3, a supporting and rotating structure-4, a monitoring structure-5, a wet alarm valve body-11, a deluge valve body-12, a base-13, a support leg-14, a steering component-15, a sleeve-16, a mounting seat-151, a first motor-152, a first bevel gear-153, a first conical fluted disc-154, a cylinder seat-41, a second conical fluted disc-42, a second conical gear-43, a second motor-44, a connecting cylinder-45, a support frame-46, a pipe body-47, a support column-48, a pushing component-51, a bin seat-52, a hose-53, a liquid outlet valve-54, a camera-55, a stand-511, a third motor-512, a push rod-513, a first connecting rod-514, a first support rod-515, a second connecting rod-516, a second support rod-517 and a positioning block-518.
Detailed Description
In order to further explain the technical scheme of the invention, the following is explained in detail through specific examples.
As shown in fig. 1, the invention provides a pre-action alarm valve, which comprises a valve body structure 1, an inclined frame 2, a transverse frame 3, a supporting and rotating structure 4 and a monitoring structure 5, wherein the top side of the right part of the valve body structure 1 is fixedly connected with the transverse frame 3, the bottom side of the right part of the valve body structure 1 is fixedly connected with the inclined frame 2, the other side of the inclined frame 2 is fixedly connected with the transverse frame 3, the inclined frame 2 and the transverse frame 3 are subjected to steering displacement under the action of the valve body structure 1, the other end part of the transverse frame 3 is connected with the supporting and rotating structure 4, the bottom of the supporting and rotating structure 4 is connected with the monitoring structure 5, the supporting and rotating structure 4 and the monitoring structure 5 synchronously act along with the rotation of the transverse frame 3, the monitoring structure 5 is further subjected to steering displacement under the action of the supporting and rotating structure 4, so as to observe the surrounding environment through the monitoring structure 5, the outer end water outlet of the valve body structure 1 gives an alarm and moves to approach to a fire starting source so as to reduce the influence on the surrounding environment caused by excessive water discharge, and the accuracy and flexibility of the alarm valve are improved.
As shown in fig. 1,2 and 3, the valve body structure 1 of the present invention comprises a wet alarm valve body 11 connected to both sides of an external water supply channel, a shower valve body 12 provided at the top side of the wet alarm valve body 11, a base 13 fastened to the bottom side of the wet alarm valve body 11, a leg 14 integrally formed at the outer surface of the base 13, so as to further mount and fix the whole with an external water supply pipe through the leg 14, to improve the stability of the whole use, a steering assembly 15 mounted at the top side of the leg 14, and a sleeve 16 connected to the right side of the top of the steering assembly 15, wherein the sleeve 16 is wrapped on the outer surface of the wet alarm valve body 11, the sleeve 16 is rotated outside the wet alarm valve body 11 under the action of the steering assembly 15, and the upper and lower sides of the right part of the sleeve 16 are respectively fixed with the cross frame 3 and the inclined frame 2, so as to drive the cross frame 3 and the inclined frame 2 to operate synchronously when the sleeve 16 is rotationally displaced.
Wherein, be provided with the water conservancy alarm bell in the connecting line of rain valve main part 12 outside, and wet-type alarm valve main part 11 and the inside temperature sensor and the flow sensor of being provided with of rain valve main part 12, measure the inside temperature and the discharge of wet-type alarm valve main part 11 and rain valve main part 12, in order to provide more comprehensive monitoring capacity, arc shape logical groove has all been seted up at sleeve 16 front and back both sides middle part, and two arc shape logical grooves set up respectively in the water inlet and the delivery port outside of wet-type alarm valve main part 11 both sides, reduce the spacing of production, guarantee sleeve 16 transposition stability.
The steering assembly 15 includes a mounting base 151 with a bottom fixed to the supporting leg 14, a first motor 152 fastened on the top side inside the mounting base 151, a first bevel gear 153 connected to the output end on the right side of the first motor 152, and a first conical fluted disc 154 meshed to the bottom of the first bevel gear 153, wherein the bottom of the first conical fluted disc 154 is rotationally connected to the base 13, and the top of the first conical fluted disc 154 is connected to the sleeve 16, so that the first bevel gear 153 drives the first conical fluted disc 154 to rotate above the base 13 under the action of the first motor 152, and the sleeve 16 synchronously acts through the rotation of the first conical fluted disc 154.
As shown in fig. 1,4, 5 and 6, the present invention provides a pre-acting alarm valve, the support structure 4 includes a cylinder seat 41 with a left side fixed to a cross frame 3, a second bevel gear 42 rotatably connected to a bottom of the cylinder seat 41, a second bevel gear 43 engaged with a left side of a top of the second bevel gear 42, a second motor 44 connected to a middle portion of a left side of the second bevel gear 43, a connecting cylinder 45 fixed to a middle portion of a bottom of the second bevel gear 42, the second bevel gear 43 drives the second bevel gear 42 to rotate at the bottom of the cylinder seat 41 under the action of the second motor 44, a supporting frame 46 fixedly connected to a left side of the connecting cylinder 45, a connecting cylinder 45 and the supporting frame 46 are driven to synchronously operate when the second bevel gear 42 rotates, a pipe body 47 fixed to a middle portion of the bottom of the connecting cylinder 45, and a strut 48 fixed to a left end portion of the pipe body 47 are fastened, a left side of the strut 48 is fastened to the supporting frame 46, a bottom left side of the second motor 44 is connected to the monitoring structure 5, and a rear side of the pipe body 47 is connected to an external water supply channel through a flexible pipe 47 to the external water supply channel 5.
The monitoring structure 5 includes a pushing component 51 with a top fixed to the supporting frame 46, a bin seat 52 connected to a right end of the pushing component 51, so that the bin seat 52 is pushed out laterally by the pushing component 51 to increase a position range where water can be sprayed, a hose 53 arranged on a middle side of a top of the bin seat 52, a liquid outlet valve 54 embedded in a middle of a right side of the bin seat 52, and a camera 55 arranged on a right top of the bin seat 52, so that an external environment is observed by the camera 55, a top end of the hose 53 is connected with the pipe body 47, an inclined pipe is arranged on a right side inside the bin seat 52, two sides of the inclined pipe are respectively connected with the hose 53 and the liquid outlet valve 54, so that water in the pipe body 47 is discharged into the liquid outlet valve 54 through the hose 53, a processor and a wireless transmission module are arranged on a left side inside the bin seat 52, so that signal information is transmitted to external equipment, and the monitored signal can be received by the external equipment, so that remote monitoring is performed.
The pushing assembly 51 includes a vertical frame 511 with a top fixed to the supporting frame 46, a third motor 512 fastened to a right lower side of a rear portion of the vertical frame 511, and a push rod 513 connected to an output end of a front portion of the third motor 512, so that the push rod 513 is rotated by the third motor 512, a first connection rod 514 connected to a top end portion of the push rod 513, a first support rod 515 rotatably connected to a bottom end portion of the first connection rod 514, when the push rod 513 rotates, the first support rod 515 is pulled by the first connection rod 514 to act, a second connection rod 516 rotatably connected to a bottom end portion of the first support rod 515, a second support rod 517 rotatably connected to a top end portion of the second connection rod 516, and a positioning block 518 fixedly connected to a right side of the second support rod 517, the second support rod 517 is rotated by the second connection rod 516, the second support rod 516 is pushed out to an outside, the right side of the positioning block 518 is fastened to the bin 52 after the positioning block 518 is pushed out to an outside, the bin 52 is synchronously operated, the push rod 513 is rotatably connected to an inner bottom side of the vertical frame 511, the first support rod 515 is rotatably connected to an inner top side of the vertical frame 511, rotation stability is guaranteed, and the second support rod 517 is rotatably connected to the top portion of the first support rod 517.
The structures and the sizes of the first connecting rod 514 and the second connecting rod 516 are the same, and a quadrilateral structure is formed on the inner side after the first connecting rod 514, the first supporting rod 515, the second connecting rod 516 and the second supporting rod 517 are connected, so that the quadrilateral structure is folded and then drives the second supporting rod 517 to push out outwards, two positioning blocks 518 are arranged and are respectively positioned on the middle part and the bottom side of the right side of the second supporting rod 517, the functions of supporting and positioning are achieved, and the stability of the installation of the bin 52 is ensured.
The invention provides a pre-action alarm valve, which has the following working principle:
first, the water inlet and the water outlet of the wet alarm valve body 11 and the deluge valve body 12 are respectively installed on an external water supply pipeline, and are connected to the external water supply channel through a flexible pipe at the rear side of the pipe body 47, and then the support leg 14 and the external water supply pipeline are further installed and fixed through a buckle so as to use the design;
Secondly, when a fire disaster occurs, a temperature-sensing smoke-sensing fire disaster detector arranged in the surrounding environment sends a fire disaster report signal to a fire disaster alarm controller or a fire control center, after receiving the alarm signal, an external terminal device can be used for starting a picture at a camera 55, for observing the fire source and the fire condition, a command is sent to start a first motor 152, a second motor 44 and a third motor 512, when the first motor 152 is started, a first bevel gear 153 is used for driving a first conical gear 154 to rotate above a base 13, so that a sleeve 16 drives a inclined frame 2, a transverse frame 3 and a cylinder seat 41 to synchronously act, so that the cylinder seat 41 is close to the position above the fire source, then a second conical gear 43 is driven by the second motor 44 to rotate at the bottom of the cylinder seat 41, and a connecting cylinder 45 and a supporting frame 46 are driven to synchronously act when the second conical gear 42 rotates, so that a monitoring structure 5 is turned to push out to be close to the position of the fire source, then a push rod 513 is driven by the third motor 512, the push rod 513 is driven to drive the first support rod 514, the second conical gear 516 and the second conical gear 517 to form a plurality of valve-shaped structures, and then the liquid outlet valve is driven by the push rod 513 to move towards the outside, so that the liquid outlet pressure is reduced, and the liquid outlet pressure is formed to the second conical gear seat is close to the position of the valve 517, and the liquid outlet valve is close to the outside 54, and the liquid outlet pressure is opened, and the liquid outlet valve is open to the liquid outlet valve is 54;
Thirdly, when the fire source is relatively large, the electromagnetic valve in the deluge valve main body 12 is opened, the hydraulic alarm bell gives an alarm, so that the deluge valve main body 12 is opened, and pressure water flows into a system side pipe network to become a wet water spraying system.
According to the invention, the valve body structure 1 is optimally arranged, the supporting and rotating structure 4 is connected to the valve body structure 1 through the inclined frame 2 and the transverse frame 3, the monitoring structure 5 is connected to the bottom of the supporting and rotating structure 4, the sleeve 16 is driven to rotate through the steering component 15 on the valve body structure 1, so that the supporting and rotating structure 4 and the monitoring structure 5 synchronously act along with the rotation of the inclined frame 2 and the transverse frame 3, the monitoring structure 5 is further steered and shifted under the action of the supporting and rotating structure 4, the surrounding environment is observed through the monitoring structure 5, the pushing component 51 on the monitoring structure 5 acts to drive the bin seat 52 to transversely move out while the valve body structure 1 gives an alarm, the liquid outlet valve 54 is close to the upper part of a fire source, the electromagnetic valve in the liquid outlet valve 54 is opened to spray water to the fire source, the influence on the surrounding environment caused by excessive discharge is reduced, and the accuracy and the flexibility of the alarm valve are improved; the wet alarm valve body 11 and the shower valve body 12 are internally provided with a temperature sensor and a flow sensor, the temperature and the water flow in the wet alarm valve body 11 and the shower valve body 12 are measured to provide more comprehensive monitoring capability, the middle parts of the front side and the rear side of the sleeve 16 are provided with arc-shaped through grooves, the two arc-shaped through grooves are respectively arranged at the outer sides of a water inlet and a water outlet of the two sides of the wet alarm valve body 11, the generated limit is reduced, the indexing stability of the sleeve 16 is ensured, the right side in the bin seat 52 is provided with an inclined tube, the two sides of the inclined tube are respectively connected with a hose 53 and a liquid outlet valve 54, so that water in the tube body 47 is conveniently discharged into the liquid outlet valve 54 through the hose 53, the left side in the bin seat 52 is provided with a processor and a wireless transmission module for transmitting signal information to external equipment, the monitored signal can be received by the external equipment, the first connecting rod 514, the first supporting rod 515, the second connecting rod 516 and the second supporting rod 517 are connected to form a quadrilateral structure on the inner side, so that the quadrilateral structure is folded to drive the second supporting rod 517 to push out outwards, two positioning blocks 518 are arranged and are respectively positioned on the middle part and the bottom side of the right side of the second supporting rod 517, the function of supporting and positioning is achieved, and the stability of the installation of the bin seat 52 is ensured.
The foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.