CN2134425Y - Self-control pressure water feeder - Google Patents

Abstract

The utility model relates to a pressurizing water supply device, which is especially suitable for tall buildings and is characterized in that the pressurizing water supply device comprises a normal single-stage or multi-stage centrifugal pump, an ellipse ball shaped water storage pressure tank which is normally arranged in the vertical position, a supporting pressure tank, and a machine frame of a water pump; the outlet of the water pump is connected to the lower half part of the pressure tank, and the upper part of the pressure tank is connected with a pressure gauge with electric contact points and a cooperated controlling piece or a relay circuit assembly. The utility model can realize the automatic control to increase pressure and supply water, has the advantages of simple structure, low cost, reliable performance and high durability, and can be produced in serialization. Besides, the height of the water supply can reach higher than 100m.

Description

Self-control pressure water feeder

The utility model relates to a kind of water supply installation, is specially adapted to the pressurized watering device of high-rise building.

Along with China reform and opening-up, the develop rapidly of economic construction, big and medium-sized cities no matter, still the high buildings and large mansions more than tens of layers have all appearred in small city even Xian Xiangzhen village.The water supply problem of these highrise buildings can't meet the demands for existing tap water supply system.For this reason, be badly in need of some miniaturizations, the pressurized watering device that pressure is high.

The purpose of this utility model just provides a kind of suitable miniaturization but pressure is high and the pressurized watering device of quite big output, and it is simple in structure, and is easily manufactured.Further purpose is, can realize the water supply installation of control automatically.

The purpose of this utility model is so to realize, a kind of automatic control pressurized watering device promptly is provided, it is characterized in that, common vertical list or multi-stage centrifugal pump, the oval spherical water storage pressurized tank of a common vertically-arranged, the frame of bearing pressure jar and water pump is connected the Lower Half of pressurized tank, before the water inlet of water pump, be equipped with an one way valve, also settle a pressure meter with indication and control pressure of supply water on the top of water storage pressurized tank.

A preferred version of the present utility model is, described pressure meter is an electro connecting pressure gauge, wherein, the fixed limit pin (can claim first spacing (low level) pin and second spacing (high position) pin) of the adjustable-angle position of two contact-carryings is set, what the miniature helical spring of common usefulness of two contact-carryings resetted can (can claim the first control pin (low level) with the control pin that indicator moves, with the second control pin (high position)), to control pin is connected with a relay circuit assembly with position-limited needle, to guarantee: when indicator from zero-bit because pressure raises along clockwise when mobile, at first the contact of first position-limited needle contacts with the contact of the first control pin or disconnects but do not change the duty of load circuit or drive circuit, have only when the contact of the second control pin contacts with the contact of second position-limited needle, make relay circuit work and make load circuit or the drive circuit disconnection, thus, cause the pressure meter internal pressure to descend gradually, when dropping to, indicator cause the first spacing contact and the first control pin contact to disconnect or from being disconnected to when contacting from contact condition, cause relay circuit work and then make load circuit or the closed startup of drive circuit, like this, manometric indicator is greatly about first, move between second position-limited needle with regard to of the connecting and disconnecting of exportable two signals of telecommunication, pressurized tank is supplied water in certain differential pressure range by relay circuit control load circuit or drive circuit.

Another preferred version of the utility model is, in described electro connecting pressure gauge, the first and second control pins all place the same side of indicator, then above-mentioned two control pins all place the indicator back when raising for pressure as the indicator edge is mobile clockwise, promptly under spring action separately, come on the indicator and move with indicator, when indicator is controlled pin and is blocked no longer and moves also relay circuit with indicator and be failure to actuate along moving clockwise when the first control pin contact contact with the first position-limited needle contact first from zero-bit, have only when indicator and continue to move the contact that makes the second control pin and second position-limited needle when contacting, the relay circuit action disconnects load circuit or drive circuit, when the pressure meter internal pressure descends and the second control pin and the second position-limited needle contact do not influence the relay circuit state when leaving therefore and gradually, have only when the indicator inverse time is displaced downwardly to the contact that makes first position-limited needle and the first control pin and disconnects, the relay circuit action causes load circuit or the closed operation of drive circuit, it is connected with the relay circuit that adapts to, and is: the end that the end of power supply E is connected to an electromagnetic coil relay is connected to an end of load or drive circuit simultaneously; The other end of power supply is connected on the movable contact flat of this relay and opens and be connected to the other end of load or drive circuit by a normally closed interlock; The electromagnetic coil other end of relay is connected with first, second control pin; The contact of first position-limited needle is connected with relay normally open contact; The contact of second position-limited needle is connected with the power supply E other end.

The another preferred version of the utility model is that the relay circuit assembly preferably is placed in watchcase inside, but also can be placed on the watchcase back side.

By a specific embodiment in the accompanying drawing, describe the utility model in detail below.

Fig. 1 is the general illustration of the utility model water supply installation.

Fig. 2 is pressure meter and preferred compositions scheme of relay circuit assembly in Fig. 1 water supply installation.

Fig. 3 is the circuit diagram of Fig. 1 and 2 repeat circuit circuit unit, and going out part with the dot-dash wire frame is the relay circuit assembly, and 7 is the drive circuit assembly, also can be load circuit;

Referring to Fig. 1, be designated by numeral 1 water pump, 2 expression electric motor for pump, 3 is the water inlet pipe of pump, is equipped with an one way valve (not shown) before the water pump import, and 4 is the outlet pipe of pump, 5 expression frames (seat), 6 expression pressure meters, 7 is the drive circuit assembly, present embodiment is to be used for the high powered water pump water supply installation, so need to use middle drive circuit, the 8th, oval spherical water storage pressurized tank, 9 is the pressurized tank outlet pipe, 15 is attaching plug.As can be seen from the figure, water pump 1 is the vertical multi-stage centrifugal water pump in the present embodiment, its outlet pipe is connected on the ellipsoid water storing tank 8 of common vertically-arranged and roughly is connected on the Lower Half of pressurized tank, and pressure meter 6 is placed in the top of pressurized tank usually, and outlet pipe 9 should be connected the bottom section of pressurized tank.

Referring to Fig. 2, it is the preferred compositions scheme that electro connecting pressure gauge 6 and relay circuit assembly G fit together.It comprises common pressure meter, and 10 is indicator, and 11 is first position-limited needle, and 12 is second position-limited needle, and 13 is the first control pin, and 14 is the second control pin, and two control pins 13,14 come on the indicator 10 under action of reset spring.Fig. 3 is the preferred version circuit diagram of relay circuit assembly.J ₁For relay and represent electromagnetic coil, 7 is the drive circuit input, perhaps industrial load K _1-1Be normally closed interlock switch, K _1-2Be the normally open contact switch.D represents the contact on first position-limited needle 11, and H is the contact on second position-limited needle.

The course of work of the utility model water supply installation once is described now: should before connecting power supply, water pump be poured into an amount of water with generally starting mode of pump is the same, connect the dynamo-electric source of pump then, water pump operation then send water in pressurized tank, and then manometric pressure raises, when the indicator first control pin, 13 upper contacts when up time roughly overlaps with first position-limited needle contact with first position-limited needle, 11 upper contacts, but relay circuit is failure to actuate, when indicator is mobile again, the first control pin is blocked motionless by first position-limited needle, when the second control pin arrives approximately with the coincidence of second position-limited needle with indicator, be their contact when contact, relay circuit action, i.e. normally closed interlock K _1-1Disconnect, load circuit or drive circuit disconnect and not moving, when therefore pressurized tank internal pressure decline, when indicator drops counterclockwise, though it is that load circuit or drive circuit still disconnect that second control pin contact and the second position-limited needle contact leaves that relay circuit is failure to actuate, have only when indicator approximately weighs the position mutually with first position-limited needle, the first control pin contact and the first position-limited needle contact disconnect, then relay circuit action, i.e. normally open contact K switch _1-2Open the normally closed interlock K switch _1-1Not only closed event load circuit or drive circuit but also conducting operation.Corresponding to the operating circuit working condition among Fig. 3 be: when table is in zero-bit and connects power supply, load circuit or drive circuit by power supply one end through load or drive circuit again through normally closed switch contacts K _1-1Get back to the power supply other end, form the conducting loop.When pressure rises, indicator moves and arrives when roughly overlapping with first position-limited needle along up time, the contact of the first control pin 13 and the first limit pin 11 contacts, but relay circuit is failure to actuate, when indicator moves on again, the first control pin is blocked motionless by the first limit pin, have only when second to control pin and move to when contacting with the contact of second position-limited needle relay J with indicator ₁Electromagnetic coil through power supply E one end through itself, contact closure through BH(second control pin with the second limit pin contact again) be back to the power supply other end formation closed circuit, then relay J ₁Action is drawn to the normally open contact K switch with movable contact flat _1-2Closed state forms the self-insurance adhesive, corresponding normally closed interlock K switch _1-1It is out of service that thereby disconnection causes load circuit or drive circuit to disconnect, when pressure decline indicator falls thus, because BD connects event J ₁Still be in the closed circuit state,, have only when indicator falls to make the BD disconnection just make J when promptly the first control pin and first limits the pin contact to leave so load or drive circuit still do not move ₁The relay outage discharges, thus the normally closed interlock K switch _1-1Get back to normally off again so load circuit or drive circuit conducting operation form periodic duty.So just realized pressurized tank with the thickest be the second position-limited needle corresponding pressure value, minimum is the automatic water-supply running of the first position-limited needle corresponding pressure value.

Relay circuit assembly G both preferably and electro connecting pressure gauge fit together, but also can openly install.

Pump power can be selected as required, and the volume of pressurized tank and withstand voltage degree also are to do as requested to change arbitrarily, as present embodiment water pump wherein, 1.1-5.5KW volume flow 4-25m ³/ second, pressure of supply water 6-15kg/cm ², this pressurized watering device, compact conformation is made easyly, and cost is not high, but effect very treats, durable in use, and can control automatically, and easy to adjust, a kind of inexpensive water supply installation that is suitable for the town and country highrise building that is worthy to be popularized really.

Claims (4)

1, a kind of automatic control pressurized watering device is characterized in that:

Common vertical list or multi-stage centrifugal pump, the oval spherical water storage pressurized tank of a common vertically-arranged, the frame (seat) of bearing pressure jar and water pump, the delivery port of water pump is connected on the water storing tank by pipeline and roughly is connected the Lower Half of jar, before the water inlet of water pump, be equipped with an one way valve, also settle a pressure meter with indication and control pressure of supply water on the top of water storage pressurized tank.

2, by the described water supply installation of claim 1, it is characterized in that: described pressure meter is an electro connecting pressure gauge, wherein, be provided with two can transpose first, second position-limited needle, two with microsprings reset first, the second control pin, they with the corresponding relays circuit unit or in case of necessity drive circuit be connected, thereby, when rising with pressure through zero-bit, indicator raises when up time moves, the first limit pin and first controls that the contact contacts or disconnection but relay circuit are failure to actuate, have only when the second control pin contacts with the second limit pin, the relay circuit action causes load circuit to disconnect and stops transport, when pressure decline causes the first control pin to disconnect with the first limit part contact or contacts, relay circuit work, and then make the closed again running of load circuit, and like this corresponding to manometric height, low two positions, load circuit is corresponding to be disconnected with closed, thereby realizes automatic water-supply.

3, by the described water supply installation of claim 2, it is characterized in that: the first control pin and the second control pin all place the same side of indicator promptly to come on the indicator by back-moving spring and move with indicator, when table makes the first control pin and the contact of the first limit pin contacts from zero-bit after, then first control pin and be blocked no longer and move with indicator, at this moment, control circuit is failure to actuate, have only when the second control pin contacts with the contact of second position-limited needle, relay circuit action passing through in case of necessity drive circuit, causing load circuit to disconnect stops transport, when pressure descends, when indicator falls to causing the contact of the first control pin and the first limit pin to leave along the inverse time, relay circuit action and then make the closed again running of load circuit, periodic duty in a similar manner later on, the relay circuit that matches therewith is: the end that the end of power supply E is connected to a relay coil is connected to an end of load or drive circuit simultaneously; The other end of power supply is connected on the movable contact flat of relay and is connected to the other end of load or drive circuit by a normally closed interlock switch; The other end of relay coil is connected with first, second control pin; The contact of first position-limited needle is connected with relay normally open contact; The contact of second position-limited needle is connected with the power supply E other end.

4, by aforementioned claim 1,2,3 described water supply installations, it is characterized in that:

The relay circuit assembly preferably is placed in watchcase inside, but also can be placed on the watchcase back side.

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