CN103161266A

CN103161266A - Drainage system of building roofs

Info

Publication number: CN103161266A
Application number: CN2011104214059A
Authority: CN
Inventors: 孙家宏; 张永波
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-08
Filing date: 2011-12-08
Publication date: 2013-06-19

Abstract

The invention provides a drainage system of building roofs. The drainage system of the building roofs comprises a water storage groove, wherein the water storage groove is formed by rising wall edges of roofs. A drainage pipe which leads to the ground from the water storage groove is arranged outside of the water storage groove. An electric control booster pump is connected in the drainage pipe in series, wherein the electric control booster pump comprises a sensor, a positive feedback module and a water pump, and the sensor, the positive feedback module and the water pump are connected in order. The sensor is arranged inside the water storage groove and near to the position where the sensor corresponds to the drainage pipe. The pumping direction of the water pump is from top to bottom along the drainage pipe. The drainage system of the building roofs is capable of reducing the number of drainage pipes of small buildings as far as possible, and drainage capacity of the drainage pipes can be regulated flexibly, and removing ponding smoothly of the building roofs can be guaranteed.

Description

The building roof drainage system

Affiliated technical field

The present invention relates to a kind of building facilities, especially, relate to a kind of drainage system of building roof, comprise by rising wall on the roof along the catch basin that surrounds, the gutter that leads to ground from catch basin.

Background technology

Common building roof all is provided with the retaining edge, namely rise wall edge, they are one week around the roof, but just make the roof form the roof catch basin of retaining, generally, in order to prevent that rainwater from flying to rush down, in the surrounding of catch basin, some drainage pipes straight down are set, when roof ponding, ponding will flow down in gutter.Overall drainability for gutter, be directly proportional to the quantity of gutter, therefore gutter is arranged manyly, roof drainage ability is stronger, yet a large amount of layouts of gutter not only need to consume larger manpower and materials, and will affect the unique property seen, therefore, the gutter quantity of building surrounding need to be designed to a rational quantity usually, as every side of construction wall, two gutters is set respectively; For such gutter setting, under common light rain weather, the displacement of gutter can not be given full play to, namely wasted more drainability, and when meeting with rainstorm weather, the natural drainage speed of gutter often is unable to catch up with again roof ponding speed, and the situation that this just causes roof surrounding rainwater to fly to rush down makes the building surrounding environment very bad, the main cause of this situation is, when ponding falls in the gutter, only accelerated by gravity, therefore, its falling speed is restricted, therefore, in a single day rainfall increases, and this kind drainage pipe layout is just helpless.

Summary of the invention

In order to address the above problem, the object of the present invention is to provide a kind of building roof drainage system, this drainage system can reduce the gutter quantity of building as much as possible, and drainability that can the flexible modulation gutter, to guarantee to get rid of swimmingly the ponding of building roof.

The technical solution adopted for the present invention to solve the technical problems is: this building roof drainage system comprises by rising wall on the roof along the catch basin that surrounds, is provided with the gutter that leads to ground from this catch basin outside described catch basin;

Be serially connected with automatically controlled booster pump in described gutter, this automatically controlled booster pump comprises sensor, positive feedback module, the water pump that order is connected;

The described sensor setting nearly corresponding gutter of this sensor place in described catch basin; Described water pump draw water direction along described gutter from top to bottom.

Further, described sensor is pressure sensor, is affixed on the bottom surface setting of described catch basin, with respect to level sensor, it can avoid horizontal rainwater on the impact of its sensing accuracy, can according to the hydraulic pressure in described catch basin, measure more exactly actual water retention capacity in described catch basin.

Further, in described catch basin, be provided with cover cap above described sensor, the sunshade effect is played in the side perforation of described cover cap, avoids sensor because of long-term solar radiation aged deterioration.

Further, described positive feedback module has a threshold values, at the water retention capacity numerical value of described sensor senses during greater than this threshold values, this positive feedback module triggers described pump operation, and be positive feedback effect, to avoid in the situation that amount of rainfall is less, pump operation and waste electric energy.

Further, described automatically controlled booster pump also is provided with a current limliting module between described positive feedback module and described water pump, and preventing under abnormal conditions, the abnormal signal of described positive feedback module feedback increases, and damages water pump.

Further, described positive feedback module, current limliting module, water pump are included in same described automatically controlled booster pump housing.

Beneficial effect of the present invention is: this building roof drainage system is under the rainwater weather condition, ponding in catch basin will be along gutter discharged to ground, existence due to described automatically controlled booster pump, when the ponding in catch basin is more, described positive feedback module triggers described water pump with larger power running, thereby accelerate the drainage speed of described gutter, outclass the ponding speed of whereabouts naturally; Otherwise the catch basin internal water accumulation is fewer, and water pump is with less power draining, with conserve energy; Due to the existence of above-mentioned mechanism, therefore only need arrange a small amount of gutter, can realize drainage effect smoothly in various rainwater situations.

Description of drawings

Fig. 1 is the structural representation of an embodiment of this building roof drainage system.

Fig. 2 is the electrical structure diagram of automatically controlled booster pump in Fig. 1 embodiment.

Fig. 3 is the layout schematic diagram of sensor in Fig. 1 embodiment.

Fig. 4 is the structural representation of another embodiment of this building roof drainage system.

The specific embodiment

The present invention is further described below in conjunction with drawings and Examples:

In the embodiment of Fig. 1-shown in Figure 3, this building roof drainage system comprises by rising wall on the roof along the catch basin 10 that surrounds, described catch basin 10 has the bottom land of level, catch basin 10 outsides are provided with the gutter 2 that leads to ground from this catch basin 10, in the present embodiment, gutter 2 has four, along the wall of building body 1 four sides vertically extend and under;

Be serially connected with automatically controlled booster pump 3 in each described gutter 2, the electrical structure of this automatically controlled booster pump 3 comprises sensor 300, positive feedback module 301, current limliting module 302, water pump 303 that order is connected as shown in Figure 2; Wherein, described positive feedback module 301, current limliting module 302, water pump 303 are included in same shell, each described sensor 300 is arranged at the interior nearly corresponding gutter of this sensor 300 of described catch basin 10 2 places, and is connected with described positive feedback module 301 by electric wire; Described water pump 303 draw water direction along described gutter 2 from top to bottom.

Described sensor 300 is pressure sensor, be affixed on described catch basin 10 bottom surfaces settings, with respect to level sensor, it can avoid horizontal rainwater on the impact of its sensing accuracy, can according to the hydraulic pressure in described catch basin 10, measure more exactly the interior actual water retention capacity of described catch basin 10.

In above-mentioned automatically controlled booster pump 3, the effect of described current limliting module 302 is, prevents under abnormal conditions, and sensor 300 surfaces are pressed onto weight as described, or sensor 300 faults, and the abnormal signal of described positive feedback module 301 feedbacks increases, and damages water pump 303.

As shown in Figure 3, for fear of sensor 300 because of long-term solar radiation aged deterioration, in described catch basin 10, be provided with cover cap 4 above described sensor 300, described cover cap 4 sides connect, play the sunshade effect, this cover cap 4 can be made of brick and tile, cement sheet etc., and employing cement is built the bottom land 11 in described catch basin 10.

In above-mentioned automatically controlled booster pump 3, described positive feedback module 301 has a threshold values, at the water retention capacity numerical value of described sensor 300 sensings during greater than this threshold values, this positive feedback module 301 triggers described water pump 303 runnings, and be positive feedback effect, in the situation that amount of rainfall is less, water pump 303 turns round and the waste electric energy to avoid.

Above-mentioned building roof drainage system is under the rainwater weather condition, ponding in catch basin 10 will be along gutter 2 discharged to ground, existence due to described automatically controlled booster pump 3, when the ponding in catch basin 10 is more, described positive feedback module 301 triggers described water pump 303 with larger power running, thereby accelerate the drainage speed of described gutter 2, outclass ponding naturally the speed of whereabouts (be equivalent to artificially improve the acceleration of in-pipe flow, according to actual conditions, can make the acceleration after supercharging is the several times of acceleration of gravity); Otherwise catch basin 10 internal water accumulations are fewer, and water pump 303 is with less power draining, with conserve energy; Due to the existence of above-mentioned mechanism, therefore only need arrange a small amount of gutter 2, can realize drainage effect smoothly in various rainwater situations.

Fig. 4 is another embodiment of this building roof drainage system, in this embodiment, be with the difference of last embodiment, the bottom surface of described catch basin 10 is an inclined plane, have a down dip to opposite side from a side direction of building body 1, in catch basin 10 bottom surfaces above the building body than downside on corresponding body of wall, be provided with three gutters 2, all do not establish gutter 2 on all the other each bodies of wall, thus, only in a side of building body 1, the ponding in catch basin 10 is drained, in the case, be conducive to the centralized arrangement to drainage system, adjust, improve, and, in the case, because the mouth of pipe of each gutter 2 is nearer, therefore, can omit some described sensors 300, make wherein other sensor 300 simultaneously sensing to a plurality of described positive feedback modules 301.

The above is only preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims

1. a building roof drainage system, comprise by rising wall on the roof along the catch basin (10) that surrounds, and is provided with the gutter (2) that leads to ground from this catch basin (10) outside described catch basin (10), it is characterized in that:

Be serially connected with automatically controlled booster pump (3) in described gutter (2), this automatically controlled booster pump (3) comprises sensor (300), positive feedback module (301), the water pump (303) that order is connected;

Described sensor (300) is arranged at the interior nearly corresponding gutter of this sensor (300) (2) of described catch basin (10) and locates; Described water pump (303) draw water direction along described gutter (2) from top to bottom.

2. building roof drainage system according to claim 1, it is characterized in that: described sensor (300) is pressure sensor, is affixed on described catch basin (10) bottom surface and arranges.

3. according to claim 1 or building roof drainage system claimed in claim 2, it is characterized in that: in described catch basin (10), be provided with cover cap (4) in the top of described sensor (300), described cover cap (4) side connects.

4. building roof drainage system according to claim 1, it is characterized in that: described positive feedback module (301) has a threshold values, at the water retention capacity numerical value of described sensor (300) sensing during greater than this threshold values, this positive feedback module (301) triggers described water pump (303) running, and is positive feedback effect.

5. according to claim 1 or building roof drainage system claimed in claim 4, it is characterized in that: described automatically controlled booster pump (3) also is provided with a current limliting module (302) between described positive feedback module (301) and described water pump (303).

6. building roof drainage system according to claim 5, it is characterized in that: described positive feedback module (301), current limliting module (302), water pump (303) are included in same described automatically controlled booster pump housing.