CN205153026U - Water supply - Google Patents

Abstract

The utility model discloses a water supply has accomodate in the casing integratively: the pump, it pressurizes and the fluming water to water, the piping, its with the suction side and the side of discharging of pump are connected, the motor, its drive the pump, power supply circuit, its to motor supply power, electrical control circuit, its control the operation of pump, detect the discharge pressure detection unit of joining in marriage pipe inner pressure of side of pump, and detect the pressure detection unit of joining in marriage pipe inner pressure of pump suction side, the motor with the pump disposes on same rotation axis the one end installation pump of the rotation axis of motor, at other end installation fan, the pressure detection unit sets up is following on the pipe that the piping extends the pipe with be provided with the filter between the pressure detection unit.

Description

Water supply installation

Technical field

The utility model relates to water supply installation, particularly relates to use pump, carries out the water supply installation of the water supply of tap water etc. to residential quarter, mansion etc.

Background technology

Above-mentioned water supply installation, such as, be connected to running water pipe supervisor, the water that running water pipe is responsible for is pressurised into authorized pressure and the person of needs to the end such as residential quarter, mansion supplies water.Therefore water supply installation possesses: pump, the pipe arrangement be connected with suction side and the discharge side of this pump case, sensor class, the forbay etc. such as pressure sensor that detect the pressure in pipe arrangement.Wherein, forbay stores the water after being pressurizeed by pump therein, thus prevents pump from starting frequently, stops, and plays effect pressure of supply water always being remained on required pressure.In addition, water supply installation also possesses the motor of driving pump, the electric control circuit to the running of the driving power circuit such as converter plant of this motor supply electric power, control pump, and they are accommodated in housing together with said pump, pipe arrangement.

Such as be connected to running water pipe supervisor, and adopt in the water supply installation of the terminal pressure constant control mode water supply pressure of the end person of needs being remained authorized pressure, in order to the pump inflow side pressure that can change relative to the moment, always the terminad person of needs supplies constant water supply pressure, utilize the motor supply variable frequency to driving pump such as converter plant, the alternating current of voltage, carry out rotating speed control.Except the basic function as above-mentioned water supply installation, from noise counter plan, maintenance degree, various valve, auxiliary pipe arrangement class, metrical instrument class etc. are accommodated in the housing of water supply installation, and then the wiring such as power cable, various signal cables class is configured in the housing of water supply installation too.

In such water supply installation, the driving power circuit of the motors such as converter plant is required, but possesses electric power semiconductor element due to converter plant, thus can generate heat because of the revolution electric current of pump/motor.Therefore need certain cooling way, adopt following various cooling means in the past.

First, exist and converter plant is equipped on aluminum thermal fin, and utilize this fin to carry out the method for nature cooling.But, need in the method to make the area of fin quite large, be unfavorable for the small compact of water supply installation entirety.

Then also exist and use air cooling fan in addition, the method for forcing cooling is carried out to the fin being equipped with converter plant.According to the method, utilize the forced air-cooling effect of cooling fan, the size of fin can be reduced.But in order to make the running of cooling fan in addition need special circuit, therefore components number increases, cost increase.In addition, the durability of room thermantidote in addition also can have problems, and also has the problem needing to safeguard.

In addition, also there is method converter plant being equipped on water collar.According to the method, cool to water collar water flowing, therefore, it is possible to improve the efficiency of cooling, reduce the area of radiating part.But, needing the pipe arrangement for carrying out water-cooled, and then in order to only carry out water-cooled when overheated, therefore needing temperature pick up, the special-purpose member such as electromagnetic valve for opening and closing water route, thus making cost increase, and needing unnecessary pipe arrangement.Therefore be unfavorable for the small compact of water supply installation entirety, need in addition to safeguard it.

Such water supply installation, the situation being configured at the underground of residential quarter or mansion etc. or the public area of one deck is more.But such position is generally difficult to guarantee enough areas, also require that there is enough water supply capacities and durability as water supply installation, and require the small compact of its size, the easiness of maintenance.

Above-mentioned water supply installation, the region sometimes containing the foreign matters such as rubbish at the water of running water pipe supervisor uses.Water supply installation uses force value as controling parameters mostly, but the region of the foreign matters such as rubbish is contained at the water of running water pipe supervisor, when directly water supply installation being directly linked to running water pipe supervisor, consider to make due to foreign matters such as rubbish pressure sensing cell can not normally action.

Utility model content

The utility model made in view of the foregoing, though object be to provide a kind of in the water of running water pipe supervisor containing foreign matters such as rubbish, water supply installation also can be made normally to operate, and safeguard and be easy to water supply installation.

Water supply installation of the present utility model, is characterized in that, is accommodated with integratedly in housing: pump, and it pressurizes to water and carries water; Pipe arrangement, its suction side with described pump and discharge side are connected; Motor, it drives described pump; Driving power circuit, it is to described motor supply electric power; Electric control circuit, it controls the running of described pump; The pressure sensing cell of the internal pressure piping of testing pump discharge side; And the pressure sensing cell of the internal pressure piping of testing pump suction side, described motor and described pump are configured on same rotation, at one end installation pump of the axis of rotation of described motor, at other end provided with fan, described motor and described pump are configured on same rotation, at one end installation pump of the axis of rotation of described motor, at other end provided with fan, between described pipe and described pressure sensing cell, be provided with strainer.

Preferably, multiple described strainer is provided with.

Preferably, the front and back of described strainer are provided with valve.

Preferably, described valve is hand-operated valve.

Preferably, described valve is three way cock.

According to the utility model, between feed pipe and pressure sensing cell, be provided with strainer (filter screen), thus pressure sensing cell is difficult to blocking, correctly can detect force value, normally control water supply installation.

Multiple strainer (filter screen) is set, and valve is set before and after it, thus do not stop water supply installation, just can carry out the upkeep operation (check, clean) of strainer, change.

Accompanying drawing explanation

Fig. 1 (a), Fig. 1 (b) are the water supply installations of embodiment of the present utility model, and Fig. 1 (a) is lateral view, and Fig. 1 (b) is front view.

Fig. 2 is the figure of the main portions of the water supply installation representing embodiment of the present utility model.

Fig. 3 is the figure of the suspension configurations example of the converter plant of the water supply installation representing embodiment of the present utility model.

Fig. 4 (a), Fig. 4 (b) represent that each assembling parts is in the figure of the assembled configuration example of pallet.

Fig. 5 is the details drawing of the pressure sensing cell arranging a strainer.

Fig. 6 is the details drawing of the pressure sensing cell arranging two strainers and hand-operated valve.

Fig. 7 is the details drawing of the pressure sensing cell arranging two strainers and three way cock.

Description of reference numerals: 10 ... housing; 11,12 ... pump; 13,14 ... motor; 15 ... suction pipe; 16 ... discharge header; 17 ... flap valve; 23,24 ... converter plant; 25 ... fin; 27,28 ... cooling fan; 100 ... pressure sensor.

Detailed description of the invention

Below, with reference to Fig. 1 (a), Fig. 1 (b) ~ Fig. 4 (a), Fig. 4 (b), embodiment of the present utility model is described.Wherein, Reference numeral identical in each figure, represents same or equivalent part.

Fig. 1 (a), Fig. 1 (b) represent the structure example of water supply installation entirety of the present utility model.The axis of rotation of pump 11,12 configures along vertical, is configured with motor 13,14 respectively in the upper side of pump case.And the intake of pump 11,12 is connected to suction pipe 15, suction pipe 15 is connected to discharge header 16 via flap valve 17.This flap valve 17 such as when with running water pipe be responsible for the inflow hydraulic pressure of the suction pipe 15 be connected fully high, do not supply water, for preventing adverse current when the pressure of inflow side is low directly to needs person side via pump 11,12.On the top of this discharge header 16, be configured with the case 19 pressure (hydraulic) water being carried out to pressure accumulation.Pressurized tank 19 plays carries out pressure accumulation to pressure (hydraulic) water, thus prevents pump from starting frequently, stops, and successfully water supply pressure is remained constant effect.Suction pipe 15 is connected to not shown running water pipe supervisor at intake 20 and waits pipeline, and discharge header 16 is connected to the pipe arrangement pipeline going to the not shown end person of needs side equally at outlet opening 21.

On the top of housing 10, converter plant 23,24 is equipped on common fin 25 respectively, and from top 10a suspension arrangement.Wherein, converter plant 23 supplies the alternating current of variable frequency, voltage to motor 13 via not shown cable, thus carries out variable speed drive to motor 13.Converter plant 24, via not shown cable, supplies the alternating current of variable frequency, voltage to motor 14, carry out variable speed drive to motor 14.Motor 13 and pump 11 are configured on same rotation, are fixed with fan 27 at the rotation axle head of motor 13.Equally, motor 14 and pump 12 are configured on same rotation respectively, are configured with fan 28 at the axle head of motor 14.Possess control panel 30 on the top of housing 10, receive the signal of the pressure sensor 100 of the pressure detected in discharge header 16, pump 13,14 is carried out to the control etc. of variable-speed operation, with the pressure making the water supply pressure of the person of needs of end reach regulation.

Possess pallet 33 in the inside of housing 10, this pallet 33 is fixed with: pump 11,12 and various pipe arrangement class and the valve class such as discharge header 16, suction pipe 15.In addition, special motor 13,14 is fixed with respectively at pump 11,12.Pressurized tank 19 is fixed on discharge pipe.When water supply installation is assembled, in advance by pump 11,12, pressurized tank 19, various pipe arrangement class 15,16 etc. be installed on pallet 33, be then accommodated in housing 10.In narrow housing 10, do not carry out assembling operation thus, therefore assembling operation becomes easy.

Fig. 2 represents the configuration example of the main portions of the water supply installation of embodiment of the present utility model.As mentioned above, pump 11 is configured on same axis of rotation with motor 14 with motor 13 and pump 12.And, motor 13,14 respective axis of rotation be fixed with fan 27,28 with the opposition side of pump 11,12.Wherein, motor 13,14 such as adopts DC brushless motor, and it exports is ~ about 3.7kW.Fan 27,28 uses the fan of resinous such as 4 blades, and its diameter is preferably 80mm about φ.The extended line of the same axis of motor 13,14 is configured with the fin 25 having carried converter plant 23,24.Wherein, converter plant 23,24 supplies variable frequency, alternating current respectively to motor 13,14, adopts the capacity conformed to the capacity of said motor 13,14.

If the axis of rotation of motor 13,14 rotates, fan 27,28 rotates thus, is formed towards the air-flow of fin 25.This air-flow is formed as making the air cooled by water flowing portions such as the pipe arrangement classes of pump 11,12 and periphery thereof, through the peripheral part of motor 13,14, and by fan 27,28 towards fin 25.Therefore utilize the air cooled by pump 11,12 and this pipe arrangement class, carry out the peripheral part of cooling motor 13,14, and then cold sink 25.Collide and change its direction towards the air-flow of fin 25 and fin 25, the air-flow that formation significantly circulates in the housing that Fig. 1 (a), Fig. 1 (b) represent.By the circulation of this mass air flow in housing 10, such as control panel 30 grade contacts with the cooling-air carrying out self-pumping periphery, thus they are also cooled.That is, by the air-flow in whole housing that this cooling fan 27,28 is formed, the air in housing 10 is always stirred, thus its internal temperature becomes even.

Fan 27,28 is only fixed on the axis of rotation of motor 13,14, and therefore compared with air cooling fan in addition, there is not special bearing etc., so fastness is high, and the rotating speed of cooling fan 27,28 is roughly directly proportional to the calorific value of converter plant 23,24.That is, when generally, calorific value large in the load of motor 13,14 and converter plant 23,24 is large, fan 27,28 is also with High Rotation Speed, therefore, it is possible to the cooling air quantity that conveying and heat dissipation capacity balance.

In addition, in the above-described embodiment, the fin 25 of converter plant 23,24 is equipped with in the topmost configuration of housing 10, from the motor 13,14 be configured on the downside of it and pump 11,12 side, to upside delivery air.But, as long as the air of cooling can be supplied, then the direction of rotation of cooling fan 27,28 can be made contrary, form the air-flow towards motor 13,14 side from fin 25 side of converter plant.

Fig. 3 represents the configuration of the converter plant of embodiment of the present utility model.In this embodiment, two converter plants 23,24 are equipped on a fin 25, suspend in midair from the top 10a of housing 10.Possess fixed part 41a, 41b respectively at the top 10a of housing 10, fixed part 41a, 41b possess fixing bolt 42a, 42b respectively.On the other hand, suspension member 43a, 43b is fixed with in the both sides of fin 25.And possessing elongated opening 44a, 44b respectively at suspension member 43a, 43b, this opening engages with above-mentioned fixing bolt 42a, 42b.Therefore be suspended to the fin 25 of suspension member 43a, 43b, can move freely at fore-and-aft direction along fixed part 41a, 41b of housing 10.

Therefore such as when converter plant is safeguarded, assembling time etc. can freely pull out, above-mentioned upkeep operation can be made to become easy.Particularly converter plant 23,24 is assembled in the top in housing 10, but due to parts, wiring etc. intensive in this part, because of but be difficult to the region of carrying out safeguarding.Therefore by adopting the above-mentioned suspension gear that can make converter plant movement, the replacing of such as converter plant can be carried out at short notice thus, and the power supply of not cutting-off controlling panel, just can carry out above-mentioned operation.In addition, as mentioned above, due to multiple converter plant 23,24 is equipped on a fin, assembling operation when therefore it is installed becomes easy, and also improves cooling effectiveness.

According to the suspension configurations of above-mentioned converter plant, the degree freely of the layout in water supply installation housing increases, and can make housing integral miniaturization.In addition, effectively can carry out wiring operation, upkeep operation becomes easy.In addition, as mentioned above, above the fan of axis of rotation being fixed on motor, the fin of configuration converter plant, the rotation by fan blows the air of the coolings such as pump periphery, thus obtains higher cooling effectiveness.

Fig. 4 (a), Fig. 4 (b) represent the assembled configuration example of embodiment of the present utility model.In this water supply installation, before the pump be accommodated in housing 10, motor, forbay, pipe arrangement class etc. are configured in housing 10, in advance outside by above-mentioned assembling parts after pallet 33, then to be accommodated in housing.As mentioned above, water supply installation be pump 11,12, forbay 19, pipe arrangement class 15,16, sensor class, control panel etc. aggregate.The mounting method of all parts has the method etc. being screwed into or being fixed with bolt and accessory.In addition, the mounting method of above-mentioned parts is also varied.If therefore narrow in housing 10 space is assembled them and then carried out wiring operation, then operation is very difficult carries out, and therefore assembles pretty troublesome.

As mentioned above, prepare pallet 33 in advance, assembling thereon at first fixed pump 11,12, the weight such as pipe arrangement class 15,16, then fixing motor 13,14, sensor class etc., thus operation can be carried out efficiently.And, assemble each parts at pallet 33, be then accommodated in housing 10, carry out wiring and connect, thus complete water supply installation.Improve the operating efficiency of overall package thus.In addition, by weight configured in one piece in bottom, thus improve the stability of the entirety in water supply installation housing.

Fig. 5, Fig. 6, Fig. 7 represent the detailed construction of pressure sensing cell.

Fig. 5 represents be provided with a strainer between feed pipe and pressure sensing cell.The pipe extended from feed pipe is provided with in order: hand-operated valve, strainer, hand-operated valve, pressure sensing cell.By being provided with strainer (filter screen) at the upstream side of pressure sensing cell, thus pressure sensing cell is difficult to blocking, can correctly detected pressures value.

The detection of pressure sensor, pressure switch equal pressure detecting unit is formed as thin tube-like as the compression zone of the pressure of the fluid of detected object, if block because foreign matter etc. is mixed into, then be difficult to by recoveries such as cleanings, recover to make water supply installation, do not change pressure sensing cell itself, just cannot recover.

Fig. 6 is provided with two strainers, using the pipe that extends from feed pipe as branched pipe, arranges hand-operated valve, strainer, hand-operated valve, be provided with the example of pressure sensing cell in its front end at each branched pipe.When usually operating, in order to except the foreign matter contained in anhydrating, making two strainer all water flowings, but when upkeep operation, only making the branched pipe water flowing of side, even if thus in water supply installation course of action, the maintenance of the strainer of opposite side also can be carried out.Or when usually operating, can only make side water flowing, and for subsequent use as during upkeep operation of opposite side.

Fig. 7 is the variation of Fig. 6, is the example replacing hand-operated valve and arrange three way cock.Same with Fig. 6, be provided with two strainers, thus when the upkeep operation of strainer, even if do not stop water supply installation can remaining in operation yet.

In addition, describe multiple embodiment in the above-described embodiment, only otherwise depart from purport of the present utility model, certainly can have various variant embodiment.

Claims (5)

1. a water supply installation, is characterized in that, is accommodated with integratedly in housing:

Pump, it pressurizes to water and carries water;

Pipe arrangement, its suction side with described pump and discharge side are connected;

Motor, it drives described pump;

Driving power circuit, it is to described motor supply electric power;

Electric control circuit, it controls the running of described pump;

The pressure sensing cell of the internal pressure piping of testing pump discharge side; And

The pressure sensing cell of the internal pressure piping of testing pump suction side,

Described motor and described pump are configured on same rotation, at one end installation pump of the axis of rotation of described motor, at other end provided with fan,

Described pressure sensing cell is arranged on the pipe that extends from described pipe arrangement,

Strainer is provided with between described pipe and described pressure sensing cell.

2. water supply installation according to claim 1, is characterized in that,

Be provided with multiple described strainer.

3. water supply installation according to claim 1 and 2, is characterized in that,

The front and back of described strainer are provided with valve.

4. water supply installation according to claim 3, is characterized in that,

Described valve is hand-operated valve.

5. water supply installation according to claim 3, is characterized in that,

Described valve is three way cock.