Dual-power fire pump set with pressure stabilizer

Abstract

The utility model relates to the technical field of fire pumps, and discloses a dual-power fire pump set with a pressure stabilizing device, which comprises a base, a transmission component, a first gear, a second gear, a pressure stabilizing device and a pressure stabilizing device, the pressure relief assembly is arranged at the bottom end of the water outlet and used for reducing fire-fighting water flow pressure. The water pressure change of fire-fighting water flow can be intuitively known according to the change of the rotating speed of the second gear through the transmission assembly; a part of water can be drained back into the main pipeline through the pressure relief assembly under the condition that the pressure of the fire-fighting water flow is too large, so that redundant pressure is eliminated, and the fire-fighting water flow is kept stable; certain pressure can be supplemented through the pressurizing assembly under the condition that the fire-fighting water flow pressure is too small, so that the water pressure is enhanced, and the fire-fighting water flow is kept stable; and through the alarm assembly, firefighters can be reminded to regulate and control the valve of the main pipeline in time under the condition that the pressure of the fire-fighting water flow is too large or too small.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire pump technical field, concretely is a double -power fire pump set with pressure -stabilizing device. BACKGROUND

[0002] Double -power fire pump is a kind of fire water supply equipment combined with electric power and diesel engine double drive, it provides stable power source by the combination of electric motor and diesel engine, also be equipped with system control cabinet, control instrument and other related accessories, can provide more reliable water source guarantee when fire occurs, ensure the smooth progress of fire fighting, therefore widely applicable to the places needing high reliability and emergency standby pump, such as fire pump spray pump, residential fire protection system, industrial fire protection system and high fire prevention requirement's occasion such as warehouse.

[0003] The existing double -power fire pump set when using, fire personnel generally will fire water pipe and fire pump inlet be directly loaded, when fire, fire water flow is output from fire pump water outlet to the place on fire under the drive of electric motor and diesel engine, to this end, eliminate fire, but in some fire more serious situation, due to the water consumption is larger in short time, and lack of pressure limiting to fire pump, make fire water pipe water pressure high and low, leading to water jet distance near and far, this is not conducive to the progress of fire rescue. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a double -power fire pump set with pressure -stabilizing device to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a double -power fire pump set with pressure -stabilizing device, including base, the base top fixed installation has fire pump set, the fire pump set water outlet one side is equipped with installation shell, the installation shell is cylindrical design, the installation shell one side is rotatably connected with first transmission shaft, the first transmission shaft one end is fixedly connected with first gear, the installation shell one end is connected with first butt joint pipe, the first butt joint pipe one end is connected with fire pump set water outlet, the installation shell other end is connected with second butt joint pipe, the second butt joint pipe upper portion is equipped with U type frame, the installation shell below is equipped with bottom plate, the U type frame is fixedly installed on bottom plate, the U type frame one side is fixedly connected with electric control box, the electric control box is fixedly installed with controller in, the controller is PLC controller, still include:

[0006] Transmission assembly that can provide the rotating force of second gear for being arranged in first gear interior, the first butt joint pipe one end bottom is equipped with drain, the first butt joint pipe one end top is equipped with water outlet, the U type frame one side is equipped with alarm assembly for promptly reminding fire personnel attention water pressure change, the alarm assembly is connected with controller wiring terminal through data line;

[0007] The pressure relief assembly arranged at the bottom end of the drain port is used to reduce the pressure of the fire flow, the bottom of the first connecting pipe and the second connecting pipe is vertically installed with a support column, the bottom end of the support column is connected with the bottom plate, the top of the U-shaped frame is provided with a pressure boosting assembly used to enhance the pressure of the fire flow, and the pressure relief assembly and the pressure boosting assembly are connected with the wiring end of the controller through data lines.

[0008] Preferably, the transmission assembly comprises a second transmission shaft arranged in the installation shell, the second transmission shaft is rotatably connected with the inner walls on both sides of the installation shell, a plurality of leaf plates are symmetrically arranged on the outer side of the second transmission shaft, and the second transmission shaft penetrates to the outside of the installation shell at one end and is fixedly connected with a second gear, and the bottom of the second gear is engaged with the first gear.

[0009] Preferably, the top and bottom of the installation shell are provided with bosses, a protective cover is arranged between the bosses, the protective cover is connected with the bosses at both ends through bolts, and the protective cover is located at the periphery of the second gear.

[0010] Preferably, the alarm assembly comprises a first timer fixed to one side of the inner wall of the electric control box, a second timer is arranged on one side of the first timer, one side of the second timer is connected with the electric control box, a third electromagnetic valve is arranged in the drain port, a fourth electromagnetic valve is arranged in the water outlet, an audible and visual alarm is fixedly arranged on one side of the top of the U-shaped frame, and the first timer, the second timer, the third electromagnetic valve, the fourth electromagnetic valve and the audible and visual alarm are connected with the wiring end of the controller through data lines.

[0011] Preferably, the pressure relief assembly comprises a drain pipe arranged at the bottom end of the drain port, the top end of the drain pipe is connected with the drain port, a second electromagnetic valve is arranged in the drain pipe, a second speed sensor is arranged on one side of the first gear, and the second speed sensor is fixedly arranged on the installation shell, and the second electromagnetic valve and the second speed sensor are connected with the wiring end of the controller through data lines.

[0012] Preferably, the pressure boosting assembly comprises a pressure boosting pump fixed to the top of the U-shaped frame, a water outlet pipe is connected with the water inlet of the pressure boosting pump, the bottom end of the water outlet pipe is connected with the water outlet, a first electromagnetic valve is arranged in the water outlet pipe, a water inlet pipe is connected with the water outlet of the pressure boosting pump, a water inlet is arranged at the top of one end of the second connecting pipe, the bottom end of the water inlet pipe is connected with the water inlet, a first speed sensor is arranged on one side of the first gear, the first speed sensor is fixedly arranged on the installation shell, and the pressure boosting pump, the first electromagnetic valve and the first speed sensor are connected with the wiring end of the controller through data lines.

[0013] Preferably, the electric control box body is hinged with a sealing cover plate on one side, and the sealing cover plate is connected with the electric control box body on the other side through buckles.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a transmission assembly can according to the change of second gear rotation speed can intuitively understand the water pressure variation of fire flow, and through pressure relief assembly can under the condition that fire flow pressure is too big, and a part of water is discharged to the inside of main pipe, so that the pressure of the excess is eliminated, and fire flow keeps stable, and through booster assembly can under the condition that fire flow pressure is too small, and a certain pressure is supplemented, so that the water pressure is enhanced, and fire flow keeps stable, and through alarm assembly can under the condition that fire flow pressure is too big or pressure is too small, and remind the fireman to control the valve of main pipe in time. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a structure schematic diagram of double -power fire pump set with pressure -stabilizing device provided with the utility model,

[0017] Figure 2 The utility model provides the concrete structure schematic diagram of installation shell,

[0018] Figure 3 The utility model provides booster assembly structure schematic diagram,

[0019] Figure 4 For Figure 3 The utility model provides the concrete structure schematic diagram of electric control box body,

[0020] Figure 5 The utility model provides transmission assembly structure schematic diagram,

[0021] Figure 6 The utility model provides the concrete structure schematic diagram of electric control box body.

[0022] In the figure: 1, base; 2, fire pump group; 3, mounting shell; 4, first butt joint pipe; 5, second butt joint pipe; 6, U-shaped frame; 7, electric control box; 8, controller; 9, bottom plate; 10, support column; 11, first transmission shaft; 12, first gear; 13, transmission assembly; 131, second transmission shaft; 132, second gear; 133, vane; 14, boss; 15, pressure boosting assembly; 151, first rotation speed sensor; 152, water outlet pipe; 153, first electromagnetic valve; 154, water inlet; 155, water inlet pipe; 156, pressure boosting pump; 16, pressure relief assembly; 161, drain pipe; 162, second electromagnetic valve; 163, second rotation speed sensor; 17, alarm assembly; 171, third electromagnetic valve; 172, fourth electromagnetic valve; 173, first timer; 174, second timer; 175, sound and light alarm; 18, drain outlet; 19, water outlet; 20, protective cover; 21, sealing cover plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-6As shown, a double power fire pump set with voltage stabilizing device, including base 1, the top of base 1 is fixedly installed with fire pump set 2, the water outlet side of fire pump set 2 is provided with installation shell 3, installation shell 3 is cylindrical design, one side of installation shell 3 is rotatably connected with first transmission shaft 11, one end of first transmission shaft 11 is fixedly connected with first gear 12, one end of installation shell 3 is connected with first butt joint pipe 4, one end of first butt joint pipe 4 is connected with the water outlet of fire pump set 2, the other end of installation shell 3 is connected with second butt joint pipe 5, U-shaped frame 6 is arranged above second butt joint pipe 5, bottom plate 9 is arranged below installation shell 3, U-shaped frame 6 is fixedly installed on bottom plate 9, one side of U-shaped frame 6 is fixedly connected with electric control box 7, controller 8 is fixedly installed in electric control box 7, controller 8 is PLC controller, by setting controller 8, other electronic devices can be centrally controlled, the operation of each electronic device is facilitated to be coordinated, the intelligentization and automation degree is improved; still include: transmission assembly 13 arranged in first gear 12 can provide rotary force for second gear 132, by setting transmission assembly 13, second gear 132 can be driven to rotate under the action of fire flow, the water pressure change of fire flow can be intuitively understood according to the change of second gear 132 rotating speed; the bottom of one end of first butt joint pipe 4 is provided with drain port 18, the top of one end of first butt joint pipe 4 is provided with water outlet 19, alarm assembly 17 for timely reminding firemen to pay attention to water pressure change is arranged on one side of U-shaped frame 6, by setting alarm assembly 17, alarm can be given under the condition that fire flow pressure is too large or too small, so as to remind firemen to timely regulate and control the valve of main pipeline; alarm assembly 17 is connected with controller 8 wiring end through data line; pressure relief assembly 16 for reducing fire flow pressure is arranged at the bottom end of drain port 18, by setting pressure relief assembly 16, part of water can be discharged back to the inside of main pipeline under the condition that fire flow pressure is too large, so as to eliminate excess pressure and keep fire flow stable; support 10 is perpendicularly installed on the bottom of first butt joint pipe 4 and the bottom of second butt joint pipe 5, the bottom end of support 10 is connected with bottom plate 9, pressure increasing assembly 15 for enhancing fire flow pressure is arranged on the top of U-shaped frame 6, by setting pressure increasing assembly 15, certain pressure can be supplemented under the condition that fire flow pressure is too small, so as to enhance water pressure and keep fire flow stable; pressure relief assembly 16 and pressure increasing assembly 15 are connected with controller 8 wiring end through data line.

[0025] Transmission assembly 13 includes second transmission shaft 131 arranged in installation shell 3, second transmission shaft 131 is rotatably connected with the inner wall of installation shell 3 on both sides respectively, a plurality of leaf plates 133 are symmetrically installed on the outer side of second transmission shaft 131, second transmission shaft 131 penetrates to the outside of installation shell 3 at one end and is fixedly connected with second gear 132, the bottom of second gear 132 is engaged with first gear 12, Figure 4 、 Figure 5As shown, the fire-fighting water flowing through the inside of the mounting shell 3 can drive the second gear 132 at one end of the second transmission shaft 131 to rotate through the leaf plate 133, and the second gear 132 drives the first gear 12 to rotate with the first transmission shaft 11 as the center. Thus, the change of the water pressure of the fire-fighting water can be intuitively understood according to the change of the rotation speed of the second gear 132.

[0026] The top and bottom of the mounting shell 3 are provided with bosses 14, and a protective cover 20 is arranged between the bosses 14. The protective cover 20 is connected with the bosses 14 at both ends by bolts, and is located outside the second gear 132, as shown in Figure 1 、 Figure 4 By arranging the protective cover 20, on the one hand, the clothes or limbs of the fire-fighting personnel can be prevented from being involved between the first gear 12 and the second gear 132, and the safety performance is improved. On the other hand, a good environment can be created for the rotation speed detection component, and the rotation speed detection component is prevented from being affected by external light and other factors.

[0027] The alarm assembly 17 includes a first timer 173 fixed to one side of the inner wall of the electric control box 7. A second timer 174 is arranged on one side of the first timer 173, and the second timer 174 is connected with the electric control box 7. A third electromagnetic valve 171 is arranged in the drain port 18, and a fourth electromagnetic valve 172 is arranged in the water outlet 19. A sound and light alarm 175 is fixedly arranged on one side of the top of the U-shaped frame 6. The first timer 173, the second timer 174, the third electromagnetic valve 171, the fourth electromagnetic valve 172 and the sound and light alarm 175 are connected with the wiring end of the controller 8 through data lines, as shown in Figure 3 、 Figure 6 The first timer 173 and the second timer 174 can record the starting time of the third electromagnetic valve 171 and the fourth electromagnetic valve 172, respectively. When the starting time of the third electromagnetic valve 171 exceeds the preset threshold value of the first timer 173, the first timer 173 sends a signal to the controller 8, which indicates that the fire-fighting water flow is kept in a high pressure state for a long time. When the starting time of the fourth electromagnetic valve 172 exceeds the preset threshold value of the second timer 174, the second timer 174 also sends a signal to the controller 8, which indicates that the fire-fighting water flow is kept in a low pressure state for a long time. The controller 8 then starts the sound and light alarm 175 to remind the fire-fighting personnel to timely regulate the valve of the main pipeline.

[0028] The pressure relief assembly 16 includes a drain pipe 161 arranged at the bottom end of the drain port 18. The top end of the drain pipe 161 is connected with the drain port 18. A second electromagnetic valve 162 is arranged in the drain pipe 161. A second rotation speed sensor 163 is arranged on one side of the first gear 12 and is fixedly arranged on the mounting shell 3. The second electromagnetic valve 162 and the second rotation speed sensor 163 are connected with the wiring end of the controller 8 through data lines, as shown in Figure 2 、 Figure 3As shown in the drawings, when the second speed sensor 163 detects that the first gear 12 rotates faster, it indicates that the fire flow pressure is higher, at this time, a part of water can be discharged back to the main pipe through the drain pipe 161, so as to eliminate the excess pressure and keep the fire flow stable.

[0029] The booster assembly 15 includes a booster pump 156 fixed on the top of the U-shaped frame 6, the water outlet pipe 152 is connected to the water inlet of the booster pump 156, the bottom end of the water outlet pipe 152 is connected to the water outlet 19, the first electromagnetic valve 153 is installed inside the water outlet pipe 152, the water inlet 154 is arranged at the top of one end of the second connecting pipe 5, the bottom end of the water inlet pipe 155 is connected to the water inlet 154, the first speed sensor 151 is arranged on one side of the first gear 12, the first speed sensor 151 is fixedly installed on the mounting shell 3, the booster pump 156, the first electromagnetic valve 153 and the first speed sensor 151 are connected to the wiring end of the controller 8 through data lines, as shown in the drawings. Figure 2 、 Figure 3 As shown in the drawings, when the first speed sensor 151 detects that the first gear 12 rotates slower, it indicates that the fire flow pressure is lower, at this time, the booster pump 156 can be used to increase the fire flow pressure and then input into the first connecting pipe 4 through the water outlet pipe 152 and the water inlet pipe 155, so as to enhance the water pressure and keep the fire flow stable.

[0030] The electric control box 7 is hinged with a sealing cover plate 21, the free end of the sealing cover plate 21 is connected to the other side of the electric control box 7 through buckles, as shown in the drawings. Figure 3 、 Figure 6 As shown in the drawings, by arranging the sealing cover plate 21, water splashing into the electric control box 7 can be prevented, the controller 8 can be prevented from being damaged, irrelevant personnel can be prevented from touching the controller 8, and the use safety of the controller 8 is improved.

[0031] Working principle: first, the first gear 12 can be rotated around the first transmission shaft 11 under the action of the fire flow through the transmission assembly 13, the change of the second gear 132 speed can be used to intuitively understand the change of the fire flow pressure, then a part of water can be discharged back to the main pipe under the condition of excessive fire flow pressure through the pressure relief assembly 16, so as to eliminate the excess pressure and keep the fire flow stable, then a certain pressure can be supplemented under the condition of insufficient fire flow pressure through the booster assembly 15, so as to enhance the water pressure and keep the fire flow stable, at the same time, the alarm assembly 17 can send out an alarm under the condition of excessive or insufficient fire flow pressure, so as to remind the fire personnel to timely control the valve of the main pipe.

[0032] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0033] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A dual power fire pump set with voltage stabilizing device comprising a base (1), characterized in that, The base (1) top fixed installation has fire pump set (2), the water outlet side of fire pump set (2) is equipped with installation shell (3), the installation shell (3) is cylindrical design, the first transmission shaft (11) is rotatably connected to the one side of installation shell (3), the first transmission shaft (11) one end is fixedly connected with first gear (12), the first butt joint pipe (4) is connected to the one end of installation shell (3), the first butt joint pipe (4) one end is connected with fire pump set (2) water outlet, the second butt joint pipe (5) is connected to the other end of installation shell (3), the U-shaped frame (6) is arranged above the second butt joint pipe (5), the bottom plate (9) is arranged below the installation shell (3), the U-shaped frame (6) is fixedly installed on the bottom plate (9), the electric control box (7) is fixedly connected to the one side of U-shaped frame (6), the controller (8) is fixedly installed in the electric control box (7), the controller (8) is PLC controller, further comprising: The transmission assembly (13) is arranged in the first gear (12) to provide rotary force for the second gear (132), the first butt joint pipe (4) is provided with a drain (18) at the bottom of the one end, the first butt joint pipe (4) is provided with a water outlet (19) at the top of the one end, the alarm assembly (17) is arranged on the one side of the U-shaped frame (6) to timely remind the firemen to pay attention to the change of water pressure, and the alarm assembly (17) is connected with the wiring end of the controller (8) through a data line; The pressure relief assembly (16) is arranged at the bottom of the drain (18) to reduce the pressure of the fire flow, the struts (10) are vertically installed on the bottom of the first butt joint pipe (4) and the bottom of the second butt joint pipe (5), the bottom of the strut (10) is connected with the bottom plate (9), the booster assembly (15) is arranged on the top of the U-shaped frame (6) to enhance the pressure of the fire flow, and the pressure relief assembly (16) and the booster assembly (15) are connected with the wiring end of the controller (8) through data lines.

2. A dual power fire pump set with voltage stabilizing device as claimed in claim 1 wherein: The transmission assembly (13) comprises a second transmission shaft (131) arranged in the installation shell (3), the second transmission shaft (131) is rotatably connected to the inner walls on both sides of the installation shell (3), a plurality of leaf plates (133) are symmetrically installed on the outer side of the second transmission shaft (131), and the second transmission shaft (131) penetrates to the outside of the installation shell (3) and is fixedly connected with the second gear (132) at one end.

3. A dual power fire pump set with voltage stabilizing device as claimed in claim 2 wherein: The installation shell (3) is provided with bosses (14) on the top and the bottom, the protective cover (20) is arranged between the bosses (14), the protective cover (20) is connected with the bosses (14) at both ends by bolts, and the protective cover (20) is located outside the second gear (132).

4. A dual power fire pump set with voltage stabilizing device as claimed in claim 1 wherein: Said alarm component (17) includes the first timer (173) fixed to the inner wall of the electric control box (7) one side, one side of the first timer (173) is equipped with the second timer (174), one side of the second timer (174) is connected with the electric control box (7), the drain (18) is internally mounted with the third electromagnetic valve (171), the water outlet (19) is internally mounted with the fourth electromagnetic valve (172), the U-shaped frame (6) one side top fixed mounting has the sound and light alarm (175), the first timer (173), the second timer (174), the third electromagnetic valve (171), the fourth electromagnetic valve (172), the sound and light alarm (175) are all connected with the controller (8) wiring terminal through data line.

5. A dual power fire pump set with voltage stabilizing device as claimed in claim 1 wherein: Said pressure relief assembly (16) includes the drain pipe (161) provided at the bottom end of the drain (18), the drain pipe (161) top end is connected with the drain (18), the drain pipe (161) is internally mounted with the second electromagnetic valve (162), the first gear (12) one side is equipped with the second speed sensor (163), the second speed sensor (163) is fixedly installed on the mounting shell (3), the second electromagnetic valve (162), the second speed sensor (163) are connected with the controller (8) wiring terminal through data line.

6. A dual power fire pump set with voltage stabilizing device as claimed in claim 1 wherein: Said booster assembly (15) includes the booster pump (156) fixed to the top of the U-shaped frame (6), the booster pump (156) water inlet is connected with the water outlet pipe (152), the water outlet pipe (152) bottom end is connected with the water outlet (19), the water outlet pipe (152) is internally mounted with the first electromagnetic valve (153), the booster pump (156) water outlet is connected with the water inlet pipe (155), the second butt joint pipe (5) one end top is equipped with the water inlet (154), the water inlet pipe (155) bottom end is connected with the water inlet (154), the first gear (12) one side is equipped with the first speed sensor (151), the first speed sensor (151) is fixedly installed on the mounting shell (3), the booster pump (156), the first electromagnetic valve (153), the first speed sensor (151) are all connected with the controller (8) wiring terminal through data line.

7. A dual power fire pump set with voltage stabilizing device as claimed in claim 1 wherein: The electric control box (7) one side is hinged with the sealing cover plate (21), the sealing cover plate (21) free end and the other side of the electric control box (7) are connected through the buckle.

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