CN215932462U - Intelligent water level control device for secondary water supply tank - Google Patents

Abstract

An intelligent water level control device of a secondary water supply tank comprises a water flow generator, an electromagnetic water valve, a shell and a storage battery; it is characterized in that the device also comprises a wireless receiving circuit, a wireless control mechanism, a water level adjusting mechanism and a water level control circuit; the water flow generator, the pipeline of the tap water pipe network and the electromagnetic water valve are connected in series, and the electromagnetic water valve is arranged in the shell; the storage battery, the wireless receiving circuit and the water level control circuit are arranged on one side in the shell; the water level adjusting mechanism is arranged at the lower part of the other side in the shell; the water flow generator, the electromagnetic water valve, the storage battery, the wireless receiving circuit, the water level adjusting mechanism and the water level control circuit are electrically connected. This novel set of equipment just can realize the control of different water level depth in the water tank, and the staff can the degree of depth that wireless control water level probe is located the water tank to control stops intaking after reaching predetermined water level, does not need the frequent installation of staff and dismantles, has brought the facility for the staff, has reduced the labour cost expenditure, and has guaranteed safe water supply.

Description

Intelligent water level control device for secondary water supply tank

Technical Field

The utility model relates to the technical field of secondary water supply equipment, in particular to an intelligent water level control device of a secondary water supply tank.

Background

High-rise building secondary water supply system is a comparatively extensive water supply equipment of use, and the work is stored municipal pipe network running water inflow water tank, then takes water pressurization from the water tank through the booster pump of relevant equipment control secondary water supply system, delivers to the user pipeline and supplies the high-rise building resident to use, guarantees user's normal water, and in the water supply process, the supporting ball-cock assembly of water supply system can real time control the water level of water tank (be in invariable water level), guarantees that the water tank water level is in the high level always.

In order to ensure the water demand of a user within a period of time after the municipal pipe network is cut off, the volume of the water tank is generally larger, and the water level in the water tank is always highest in use. In practice, the water consumption of users in an area is not constant, for example, if the water consumption is large in summer, the water in the water tank is updated relatively fast, and if the water consumption is small in winter, the water in the water tank is updated relatively slow. There is also a possibility that when a residential district just starts to live, the water consumption of people is relatively small, and the water consumption of people who subsequently live is relatively large. For the reasons, when the water consumption of a resident is small and the volume of the water tank is large, the water entering the water tank can be completely used up after a long time, the upper end of the water tank is in an open state due to the fact that the tap water contains chlorine, the water in the water tank is used slowly, the tap water entering the water tank cannot be used for a long time, the tap water cannot be replaced after being exposed for a long time, water quality is deteriorated, and safe water consumption of the resident is affected (although the water in the water tank can be continuously supplemented by the tap water after the user uses the water, the water entering the water tank last time is in the middle layer and the lower layer, and the water can be completely used up after a long time, so that the water quality is deteriorated). Among the prior art, in order to prevent the production of above-mentioned drawback, the relevant technical staff of water supplier can change the ball-cock assembly of different water level degree of depth control functions according to the water consumption change (ball-cock assembly water level control is low, so the water tank just can stop intaking when low water level relatively, satisfy the control when the water consumption is few, ball-cock assembly water level control is high, so the water tank just can stop intaking when high water level relatively, satisfy the control when the water consumption is many, satisfy under the abundant water consumption prerequisite of user through the aforesaid, can also prevent quality of water to deteriorate), because it needs staff to ascend a height and use spanner etc. to change ball-cock assembly, dismantle and install between ball-cock assembly and the municipal water supply pipeline. Great inconvenience is brought to the working personnel. The labor intensity of workers can be increased, and the float valves with different water level depth control functions can bring large cost to water suppliers (when the water consumption is large, if the water level of the water tank is too low, after tap water is cut off, water in the water tank can be used up in a short time, so that the water level in the water tank needs to be adjusted and set according to the water use condition). In conclusion, it is necessary to provide an intelligent water level control device for a water tank, which can conveniently adjust the depth of the water level of the water tank and has the advantages of convenient use and low cost.

SUMMERY OF THE UTILITY MODEL

When the water tank of the existing secondary water supply system needs to change the depth of the controlled water level, the control is realized by replacing the ball float valve with different water level depth control functions, so that great inconvenience is brought to workers. The intelligent water level control device for the secondary water supply tank increases the labor intensity of workers, and overcomes the defect that a large amount of cost is brought to a water supplier due to the fact that a plurality of sets of floating ball valves with different water level depth control functions are arranged.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

an intelligent water level control device of a secondary water supply tank comprises a water flow generator, an electromagnetic water valve, a shell and a storage battery; it is characterized in that the device also comprises a wireless receiving circuit, a wireless control mechanism, a water level adjusting mechanism and a water level control circuit; the water inlet end of the water flow generator is connected with a pipeline of a municipal tap water pipe network, the water inlet end of the electromagnetic water valve is connected with the water outlet end of the water flow generator, and the electromagnetic water valve is arranged in the shell; the storage battery, the wireless receiving circuit and the water level control circuit are arranged on one side in the shell; the water level adjusting mechanism comprises a motor reducing mechanism, metal bearings, a take-up drum, a supporting plate, winding wires and a water level probe, wherein the winding wires are wound on the outer side of the take-up drum; the motor speed reducing mechanism is arranged at the upper part of the other side of the supporting plate, a power output shaft of the motor speed reducing mechanism is connected with one side of the driving shaft rod, the supporting plate is arranged at the lower part of the other side in the shell, the take-up drum, the winding lead and the water level probe are positioned outside the shell, and the water level probe is positioned in the water tank; two signal input ends of the water level control circuit are respectively and electrically connected with the outer parts of the two bearing outer rings; the power output end of the wireless receiving circuit is electrically connected with the power input end of the motor speed reducing mechanism, and the power output end of the water level control circuit is electrically connected with the power input end of the electromagnetic water valve.

Further, the length of the coiled wire is greater than the depth of the water tank.

Further, the water flow generator is a water flow direct current generator; the electromagnetic water valve is a normally closed valve core electromagnetic water valve.

Further, the wireless receiving circuit comprises a wireless receiving circuit module, a resistor, NPN triodes and a relay, the wireless receiving circuit module, the resistor, the NPN triodes and the relay are electrically connected, a negative power input end of the wireless receiving circuit module is connected with emitting electrodes of the two NPN triodes and negative control power input ends of the two relays, a positive power input end of the wireless receiving circuit module is connected with positive power input ends of the two relays and positive control power input ends of the two relays, two output ends of the wireless receiving circuit module are respectively connected with one ends of the two resistors, the other ends of the two resistors are respectively connected with bases of the two NPN triodes, and collecting electrodes of the two NPN triodes are respectively connected with the negative power input ends of the two relays.

Further, the wireless control mechanism is a wireless transmission circuit module.

Furthermore, the water level probe of the water level adjusting mechanism comprises a plastic seat and two copper sheets, the two copper sheets are installed on the lower portion of the plastic seat at a left-right interval distance, and the head end of the winding wire is connected with the two copper sheets respectively.

The water level control circuit comprises a resistor, an NPN triode and a relay, the resistor, the NPN triode and the relay are electrically connected and are connected with two copper sheets of the water level probe through winding wires, one end of the resistor is connected with the anode of the relay and the input end of a control power supply, the other end of the resistor is connected with a first copper sheet through one of the outer ring and the inner ring of the bearing, one of the winding wires is connected with the first copper sheet, the second copper sheet is connected with the base electrode of the NPN triode through the outer ring and the inner ring of the other bearing and the other winding wire, and the collector electrode of the NPN triode is connected with the input end of the negative power supply of the relay.

The utility model has the beneficial effects that: this novel a set of equipment just can realize the control of different water level degree of depth in the water tank. The water flow generator generates electricity and stores the electricity when the water tank is filled with water at ordinary times. Thus, the energy-saving purpose is realized without an external power supply. In this is novel, the staff can control motor reduction gears's power take off axle through wireless transmitting circuit module, wireless receiving circuit and turn to, and then can control the degree of depth that the water level probe is located the water tank to the solenoid valve stops into water after the control water tank reaches predetermined water level. This novel stepless depth control that can realize the water tank water level, and do not need the staff frequently to install and dismantle, brought the facility for the staff from this, reduced water supplier's labour cost expenditure to safe water supply has been guaranteed. Based on the above, this is novel has good application prospect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the water level adjustment mechanism of the present invention.

Fig. 3 is a circuit diagram of the present invention.

Detailed Description

As shown in fig. 1 and 2, an intelligent water level control device for a secondary water supply tank comprises a turbine type water flow direct current generator MF, an electromagnetic water valve DC, a housing 3 and a storage battery G; the water level control device is also provided with a wireless receiving circuit 5, a wireless control mechanism A2, a water level adjusting mechanism and a water level control circuit 6; the water inlet end of the water flow direct current generator MF is connected with a pipeline of a municipal tap water pipe network through a pipeline joint, the water inlet end of the electromagnetic water valve DC is connected with the water outlet end of the water flow direct current generator MF through a pipeline joint, the electromagnetic water valve DC is installed in the shell 3, and the water outlet end of the electromagnetic water valve DC is positioned outside the middle part of the lower end of the shell 3 and is positioned at the upper end of the right side of a water tank (not shown in the figure); the storage battery G, the wireless receiving circuit 5 and the water level control circuit 6 are arranged on a circuit board, and the circuit board is arranged at the lower left end in the shell 3; the water level adjusting mechanism comprises a motor reducing mechanism M (a coaxial motor gear reducer with working voltage of 6V and power of 15W), a copper bearing 72, a take-up drum 73, a support plate 74, a winding lead 75 and a water level probe, wherein two ends of the two sides of the take-up drum 73 are respectively provided with an integrally formed annular limiting plate 731 with the outer diameter larger than that of the take-up drum, the winding lead 75 is annularly distributed and wound on the outer side of the take-up drum 73, the head end of the winding lead 75 and the water level probe are installed together, two leads at the tail end of the winding lead 75 are respectively led out from an opening hole in the middle of the limiting plate 731 at the left end to the left, two bearings 72 are arranged, a hollow plastic driving shaft lever 732 is transversely arranged in the middle of the left outer side of the take-up drum 73, inner rings of the two bearings 72 are tightly sleeved in the middle of the outer side of the driving shaft lever 732 at a certain distance from left to right (the two leads at the tail end of the winding lead 75 are led into the driving shaft lever 731 through an opening hole at the right upper end of the driving shaft), two wires at the tail end of the winding wire 75 are respectively led out upwards and outwards through two openings at the left end and the right end of the middle part of the driving shaft rod 732 (hollow structure) and are respectively welded at the upper parts of the outer parts of the inner rings of the two bearings 72, and the lower ends of the outer rings of the two bearings 72 are externally welded at the upper parts of the right side ends of the supporting plate 74; the motor reducing mechanism M is transversely arranged at the upper end of the left part of the supporting plate 74 through a screw nut, the right end of a power output shaft of the motor reducing mechanism M and the left end of the driving shaft rod 732 are connected together through the screw nut by a flange plate, the supporting plate 74 is arranged in the middle of the inside of the right end of the shell 3, the driving shaft rod 732 is led out to the outside of the right end of the shell 3 through a hole in the middle of the right end of the shell 3, the wire collecting cylinder 73, the winding lead 75 and the water level probe are positioned outside the right end of the shell 3, and the water level probe is positioned in the water tank; the wireless control mechanism A2 is carried by personnel. The length of the coiled wire 75 is greater than the depth of the water tank.

As shown in fig. 1, 2 and 3, the inside diameter of the central opening at the right side end of the housing 3 is larger than the outside diameter of the drive shaft 732. The water flow direct current generator MF is a small water flow generator with the model DC6V and the power of 10W, and can generate a direct current power supply between 6V and 9V when the water flow drives an impeller inside the water flow generator to rotate; the storage G battery is a lithium storage battery with the model number of 6V/10 Ah; the electromagnetic water valve DC is a normally closed valve core electromagnetic water valve with the working voltage of direct current of 6V and the power of 2W; the housing 3 is a food grade plastic shell. The wireless receiving circuit comprises a wireless receiving circuit module A1 with a model of TYO50, resistors R1 and R3, NPN triodes Q1 and Q2, relays K and K2, a wireless receiving circuit module, the resistors, the NPN triodes and the relays are connected through circuit board wiring, a pin 3 of a negative power supply input end of a wireless receiving circuit module A1 is connected with emitters of the two NPN triodes Q1 and Q2 and negative control power supply input ends of the two relays K and K2, a pin 1 of a positive power supply input end of the wireless receiving circuit module A1 is connected with positive power supply input ends and positive control power supply input ends of the two relays K and K2, two pins 4 and 5 (2, 6 and 7 pins are suspended) of two output ends of a wireless receiving circuit module A1 are respectively connected with one ends of the two resistors R1 and R3, the other ends of the two resistors R1 and R3 are respectively connected with bases of the two NPN triodes Q1 and Q2, and collecting electrodes of the two NPN triodes Q1 and Q2 are respectively connected with the negative power supply input ends of the two relays K and K2. The wireless control mechanism is a finished product A2 of a wireless transmitting circuit module of a type TYO50, the wireless transmitting circuit module A2 is provided with a 12V wireless transmitting special-purpose battery which is arranged in the shell, four keys S1, S2, S3 and S4 of the wireless transmitting circuit module A2 are positioned outside four openings at the upper end of the shell, and when the four keys are pressed down respectively, the wireless transmitting circuit module A2 can transmit four different wireless signals. The water level probe of the water level adjusting mechanism comprises a food-grade plastic seat 8 and two copper sheets T, wherein the two copper sheets T are heated and welded at the lower middle part of the plastic seat 8 at intervals of 2 mm, the lowest ends of the two copper sheets T are positioned at the outer lower end of the plastic seat 8, and the head ends of winding wires 75 are led out downwards through a hole in the middle of the plastic seat 8 and are respectively connected with the upper ends of the two copper sheets T. The water level control circuit comprises a resistor R2, an NPN triode Q3 and a relay K1, wherein the resistor R2, the NPN triode Q3 and the relay K1 are connected through circuit board wiring and are connected with two copper sheets T of the water level probe through winding leads, one end of the resistor R2 is connected with the positive electrode of the relay K1 and the input end of a control power supply, the other end of the resistor R2 is connected with a first copper sheet T through the outer ring and the inner ring of one bearing 72 and one winding lead, a second copper sheet T is connected with the base of an NPN triode Q3 through the outer ring and the inner ring of the other bearing 72 and the other winding lead, and the collector of the NPN triode Q3 is connected with the input end of the negative power supply of the relay K1.

As shown in fig. 1, 2 and 3, the power output end of the turbine type water flow dc generator MF, the two poles of the storage battery G, the positive power input end of the relay K at the two ends of the power input of the wireless receiving circuit and the emitter of the NPN triode Q1, the positive power input end of the relay K1 at the two ends of the power input of the water level control circuit and the emitter of the NPN triode Q3 are respectively connected by leads, and the other end of the resistor R2 at the signal input end of the water level control circuit and the base of the NPN triode Q2 are respectively connected (welded) with the outer upper parts of the outer rings of the two bearings 72 by leads; two normally open contact ends of two paths of power output end relays K and K2 of the wireless receiving circuit are respectively connected with positive and negative and positive pole power input ends of a motor speed reducing mechanism M of the water level adjusting mechanism through leads, and a power output end relay K1 of the water level control circuit is connected with a normally closed contact end of an NPN triode Q2 emitting electrode and two power input ends of an electromagnetic water valve DC through leads.

Fig. 1, 2, 3 show, in this is novel, when solenoid valve DC case was opened, can rush rivers DC generator MF's inside impeller when the water that flows got into the water tank and rotate, and then rivers DC generator MF sends the electric energy and charges for 6V battery G, this neotype power supply needs when having guaranteed like this that rivers get into the water tank, and owing to do not need external power source to reach the economize on electricity purpose. In this is novel, the power of battery G output can get into water level control circuit and wireless receiving circuit's power input end, and then, water level control circuit and wireless receiving circuit are in the operating condition that gets electric. The positive electrode of the 6V power supply passes through the resistor R2, the copper outer ring of one bearing 72, the copper balls of the bearing 72 and the copper inner ring of the bearing 72 are electrically conducted to enter one copper sheet T of the probe, the other copper sheet T passes through the copper outer ring of the second bearing 72, the copper balls of the bearing 72, the copper inner ring of the bearing 72 and the base electrode of the NPN triode Q3 to be electrically conducted (the power output shaft of the motor speed reducing mechanism M is electrified to work subsequently, and drives the driving shaft rod 732 and the take-up drum 73 to rotate clockwise or anticlockwise, when the winding lead 75 is wound, accommodated or unwound, the water level probe is driven to ascend or descend in the water tank, during rotation, the driving shaft rod 732 and the take-up drum 73 rotate along the inner rings of the two bearings 72, and the outer rings of the two bearings 72 do not rotate, so that the motor speed reducing mechanism M can effectively drive the driving shaft rod 732 and the take-up drum to rotate, the positive electrode of the 6V power supply passes through the resistor R2, and the outer ring of one bearing 72 is electrically conducted, The ball and the inner ring of the bearing 72 are electrically conducted to enter one copper sheet T of the probe, and the other copper sheet T is electrically conducted through the outer copper ring of the second bearing 72, the copper ball of the bearing 72, the inner copper ring of the bearing 72 and the base of the NPN triode Q3).

As shown in fig. 1, 2, and 3, in the present invention, two copper sheets T of the water level probe are submerged by water in the water tank in the initial state (the water level at this moment is the lowest water level of the water tank set by the technician), so that the positive electrode of the 6V power supply enters the base (higher than 0.7V) of the NPN triode Q3 through the resistor R2, one of the bearings 72 (copper bearing), one of the copper sheets T, water, the other copper sheet T, and the other bearing 72 (copper bearing), so that the NPN triode Q3 turns on the collector to output a low level to enter the negative power supply input end of the relay K1, and the relay K1 is powered to attract the control power supply input end and the normally closed contact end to open a circuit. Because the positive power supply input end of the electromagnetic water valve DC is connected with the normally closed contact end of the relay K1, when the water level in the water tank is set by a technician, the valve core of the electromagnetic valve DC is closed in a power-off state, so that tap water of a municipal pipe network cannot enter the water tank, and the water quality deterioration caused by the fact that the water level in the water tank is too high and the water consumption of residents is small and the water consumption time is too long is prevented. In practical situations, when water level in a household water tank is reduced to a level that two copper sheets T cannot be submerged, resistance between the two copper sheets T becomes infinite, so that base voltage of an NPN triode Q3 is lower than 0.7V and is cut off, a control power supply input end and a normally closed contact end of a relay K1 are closed when the relay K1 loses power, a 6V power supply positive electrode enters an anode power supply input end of an electromagnetic water valve DC through a relay K1 control power supply input end and the normally closed contact end, then the electromagnetic water valve DC is powered on, an internal valve core of the electromagnetic water valve DC is opened, tap water in a municipal pipe network enters the water tank through the electromagnetic water valve DC with the opened valve core, the water level in the water tank is guaranteed to be at a certain depth, and water use requirements of users are met. When water enters the water tank and submerges the two copper sheets T of the probe again, the NPN triode Q3 can conduct the relay K1 to be electrified to attract the input end of the control power supply and the normally closed contact end to be open, so that the electromagnetic water valve DC can lose the electricity and tap water can not enter the water tank any more. Through the aforesaid, this is novel just can keep being in the water level degree of depth that technical staff set for in the water tank always, guarantees under the quality of water prerequisite, can also guarantee the abundant water of user.

As shown in fig. 1, 2 and 3, in the present invention, in winter, when the water consumption of the residential building in the residential area is relatively low, the water update speed in the water tank is relatively slow, or the residential building lives in few people, the water update speed in the water tank is relatively slow, and the technician needs the depth of the water level probe to be relatively located at the lower part in the water tank (so that the two copper sheets T can be submerged when the water in the subsequent water tank is at a relatively low level, and then the relay K1 is powered on, the tap water of the electromagnetic water valve DC is not entering the water tank, and the water level in the water tank is kept at a relatively low level), the technician (can stand on a high stool to watch the depth of the subsequent water level probe in the water tank) presses down the first transmitting key S1 of the portable wireless transmitting circuit module a2, and then the wireless transmitting circuit module a2 transmits a first path of wireless closing signal, and the wireless receiving circuit module a1 receives the first path of wireless closing signal and then outputs a high level, The high level is current limited by resistor R1 down the voltage to the base of NPN transistor Q1. Then, an NPN triode Q1 conducts a collector to output a low level to enter a negative power supply input end of a relay K, the relay K is electrified to attract two control power supply input ends and two normally open contact ends of the relay K to be respectively closed, and then positive and negative pole power supply input ends of the motor speed reducing mechanism M are electrified; the power output shaft of the motor reducing mechanism M drives the wire collecting drum 73 to rotate anticlockwise through the driving shaft rod 732, the winding lead 75 and the water level probe are unreeled, therefore, the height of the water level probe is slowly reduced, the depth in water is also slowly reduced, and the electromagnetic valve DC is closed when the follow-up water level is relatively low. After the probe reaches the set water level height, the technician presses the first transmitting key S1 of the wireless transmitting circuit module A2 again by hand, so that the wireless transmitting circuit module A2 transmits a first path of wireless open-circuit signal, the wireless receiving circuit module A1 stops outputting high level after receiving the first path of wireless open-circuit signal by 4 feet, and then the relay K is powered off, the motor speed reducing mechanism M is powered off, and then the water level probe (with certain weight can not float up due to the buoyancy of water) is in a fixed relatively low water level.

As shown in fig. 1, 2 and 3, in the novel water-saving water tank, when water consumption of residents in a residential area is relatively large in summer and the water in the water-saving water tank is relatively high, or after a plurality of people live in the residential area, the water in the water tank is updated at a relative speed, and when the depth of the water level probe needs to be relatively positioned at the upper part in the water tank by a technician (so that the water in the subsequent water tank can submerge the two copper sheets T when the water is at a relatively high water level, and then the relay K1 is powered on, the tap water of the electromagnetic water valve DC is not fed into the water tank any more, and the water level in the water tank is kept at a relatively high level), the technician presses the second transmitting button S2 of the portable wireless transmitting circuit module A2, so that the wireless transmitting circuit module A1 transmits a second wireless closing signal, and after the wireless receiving circuit module A1 receives the second wireless closing signal, 5 feet of the wireless receiving circuit module A1 can output high level and the high level is subjected to voltage reduction and current limiting through the resistor R3 and then fed into the base of the NPN triode Q2. Then, an NPN triode Q2 conducts a collector to output a low level to enter a negative power supply input end of a relay K2, the relay K2 is electrified to attract two control power supply input ends and two normally open contact ends of the relay to be respectively closed, and then negative and positive two-pole power supply input ends of the motor speed reducing mechanism M are electrified; the power output shaft of the motor reducing mechanism M drives the wire collecting drum 73 to rotate clockwise through the driving shaft rod 732 to wind the winding lead 75 and the water level probe, so that the height of the water level probe slowly increases, the depth in water also slowly increases, and the electromagnetic valve DC is closed when the subsequent water level is relatively high. After the water level probe reaches the set water level height, a technician presses the second transmitting button S2 of the wireless transmitting circuit module A2 again by hand, so that the wireless transmitting circuit module A2 transmits a second wireless open-circuit signal, 5 feet of the wireless receiving circuit module A1 stop outputting high level after receiving the second wireless open-circuit signal, and then the relay K2 is powered off, the motor reducing mechanism M is powered off, and then the water level probe (with certain weight and without floating up due to the buoyancy of water) is in a fixed relatively high water level. Through the aforesaid, this novel stepless depth control that can realize water tank water level degree of depth, and do not need the frequent installation of staff and dismantle, brought the facility for the staff from this, reduced water supplier's labour cost expenditure to safe water supply has been guaranteed. In FIG. 2, the resistances of the resistors R1 and R3 are 1K; the resistance R2 is 2K; the model numbers of NPN triodes Q1, Q2 and Q3 are 9013; relays K, K1, K2 are DC12V relays.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. An intelligent water level control device of a secondary water supply tank comprises a water flow generator, an electromagnetic water valve, a shell and a storage battery; it is characterized in that the device also comprises a wireless receiving circuit, a wireless control mechanism, a water level adjusting mechanism and a water level control circuit; the water inlet end of the water flow generator is connected with a pipeline of a municipal tap water pipe network, the water inlet end of the electromagnetic water valve is connected with the water outlet end of the water flow generator, and the electromagnetic water valve is arranged in the shell; the storage battery, the wireless receiving circuit and the water level control circuit are arranged on one side in the shell; the water level adjusting mechanism comprises a motor reducing mechanism, metal bearings, a take-up drum, a supporting plate, winding wires and a water level probe, wherein the winding wires are wound on the outer side of the take-up drum; the motor speed reducing mechanism is arranged at the upper part of the other side of the supporting plate, a power output shaft of the motor speed reducing mechanism is connected with one side of the driving shaft rod, the supporting plate is arranged at the lower part of the other side in the shell, the take-up drum, the winding lead and the water level probe are positioned outside the shell, and the water level probe is positioned in the water tank; two signal input ends of the water level control circuit are respectively and electrically connected with the outer parts of the two bearing outer rings; the power output end of the wireless receiving circuit is electrically connected with the power input end of the motor speed reducing mechanism, and the power output end of the water level control circuit is electrically connected with the power input end of the electromagnetic water valve.

2. The intelligent water level control device of a secondary water supply tank as claimed in claim 1, wherein the length of the winding wire is greater than the depth of the water tank.

3. The intelligent water level control device of a secondary water supply tank as claimed in claim 1, wherein the water current generator is a water current direct current generator; the electromagnetic water valve is a normally closed valve core electromagnetic water valve.

4. The intelligent water level control device for the secondary water supply tank as claimed in claim 1, wherein the wireless receiving circuit comprises a wireless receiving circuit module A1, resistors R1 and R3, NPN triodes Q1 and Q2 and relays K and K2, the wireless receiving circuit module, the resistors, the NPN triodes and the relays are electrically connected, A3 pin of a negative power input terminal of the wireless receiving circuit module A1 is connected with the emitters of the two NPN triodes Q1 and Q2 and the negative control power input terminals of the two relays K and K2, a1 pin of a positive power input terminal of the wireless receiving circuit module A1 is connected with the positive power input terminals of the two relays K and K2 and the positive control power input terminals, two output terminals 4 and 5 of the wireless receiving circuit module A1 are respectively connected with one ends of the two resistors R1 and R3, the other ends of the two resistors R1 and R3 are respectively connected with the bases of the two NPN triodes Q1 and Q2, the collector electrodes of the two NPN triodes Q1 and Q2 are respectively connected with the negative power supply input ends of the two relays K and K2.

5. The intelligent water level control device of a secondary water supply tank as claimed in claim 1, wherein the wireless control mechanism is a wireless transmitting circuit module.

6. The intelligent water level control device of the secondary water supply tank as claimed in claim 1, wherein the water level probe of the water level adjusting mechanism comprises a plastic seat and two copper sheets, the two copper sheets are installed on the lower portion of the plastic seat at a distance from each other, and the head end of the winding wire is connected with the two copper sheets respectively.

7. The intelligent water level control device for the secondary water supply tank as claimed in claim 6, wherein the water level control circuit comprises a resistor R2, an NPN triode Q3 and a relay K1, the resistor R2, the NPN triode Q3 and the relay K1 are electrically connected, and are connected with two copper sheets T of the water level probe through winding wires, one end of the resistor R2 is connected with the positive electrode of the relay K1 and the input end of the control power supply, the other end of the resistor R2 is connected with a first copper sheet T through one of the outer ring and the inner ring of the bearing and one of the winding wires, a second copper sheet T is connected with the base of the NPN triode Q3 through the other outer ring and the inner ring of the bearing and the other winding wire, and the collector of the NPN triode Q3 is connected with the negative power supply input end of the relay K1.

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