CN211621788U

CN211621788U - Secondary water supply automatic control system

Info

Publication number: CN211621788U
Application number: CN201921918363.8U
Authority: CN
Inventors: 王垚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-10-02
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a secondary water supply automatic control system. It includes water storage box, sampling case and master control case, and the water storage box is connected with inlet tube and outlet pipe, is equipped with out the water solenoid valve on the outlet pipe, and its one side is connected with the sampling pipe, is equipped with the sampling solenoid valve on the sampling pipe, and its with the sampling case is connected, the sampling case downside is equipped with the delivery pipe, and its upside is equipped with the permeability cell, be equipped with the emission solenoid valve on the delivery pipe, the inside of sampling case is equipped with liquid level switch and water quality testing sensor, and the master control case includes the control unit and the water quality testing appearance who is connected with the control unit, goes out the water solenoid valve, the sampling solenoid valve, discharges solenoid valve and liquid level switch and is connected with the. The utility model discloses can not increase to the water storage box and pollute and leak the risk, it is high to detect the accuracy, can realize periodic cycle and detect, and the transformation cost is lower, and convenient to use.

Description

Secondary water supply automatic control system

Technical Field

The utility model relates to a secondary water supply automatic control system field, concretely relates to secondary water supply automatic control system.

Background

As the urban high-rise building is developed rapidly, the pressure of a municipal water supply network is insufficient, the water delivery network is too wide, and a water plant does not have enough pressure and storage capacity to deliver water to each place, a reservoir or a water storage tank is built at a higher place, and after the water comes out of the water plant, the water flows into the water storage tank or the water storage tank and then is pumped into each high-rise house. Tap water has a plurality of pollution sources, wherein the largest pollution source is from secondary water supply, and the drinking water quality does not reach the standard, so that infectious diseases such as diarrhea, dysentery and the like are easily caused. The general residents can judge the quality of tap water only by the appearance, smell and taste of the tap water. In order to prevent this phenomenon, a water quality detector is generally directly mounted on the water storage tank for detection, and since the water quality detector directly detects water in the water storage tank, new pollution and leakage problems are easily caused, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a secondary water supply automatic control system to the not enough of prior art existence.

For realizing the above-mentioned purpose, the utility model provides a secondary water supply automatic control system, including water storage box, sampling box and master control case, the water storage box is connected with inlet tube and outlet pipe, be equipped with out the water solenoid valve on the outlet pipe, its one side is connected with the sampling pipe, be equipped with the sampling solenoid valve on the sampling pipe, and its with the sampling box is connected, the sampling box downside is equipped with the delivery pipe, and its upper side is equipped with the permeability cell, be equipped with the emission solenoid valve on the delivery pipe, the inside of sampling box is equipped with liquid level switch and water quality testing sensor, the master control case includes the control unit and the water quality testing appearance of being connected with the control unit, go out water solenoid valve, sampling solenoid valve, emission solenoid valve and liquid level switch and be connected with the control unit respectively, water quality testing sensor is.

Furthermore, the control unit comprises a programmable controller, and is connected with an audible and visual alarm, and the audible and visual alarm is arranged in the monitoring room.

Furthermore, an air filter box is arranged at the upper end of the vent pipe, a vent hole is formed in the air filter box, and an air filter is arranged in the air filter box.

Further, the air filter is a polyester fiber cotton filter.

Further, the ventilation opening is formed in the side portion of the air filter box, and the air filter is embedded in the inner side of the ventilation opening.

Further, the bottom of the sampling box is in an inverted conical shape, and the discharge pipe is arranged in the center of the bottom of the sampling box.

Furthermore, a flow switch is further arranged on the discharge pipe and connected with the control unit.

Has the advantages that: the utility model is provided with the sampling box and is connected with the water outlet pipe through the sampling pipe and the sampling electromagnetic valve, thereby not increasing the pollution and the leakage risk to the water storage box, when the water quality detection is needed, the sampling electromagnetic valve is opened through the programmable controller, the water can be taken out, the water level can be automatically detected after reaching the set position, the water can be directly supplied to the user after the detection is qualified, otherwise, the water supply to the user is stopped, the unqualified water is prevented from being used by residents, and sends out an alarm to remind maintenance personnel to overhaul, the drainage electromagnetic valve can be opened to drain after each inspection is finished, the drained water can be recycled for other purposes, the drainage electromagnetic valve can be automatically closed after the drainage, an air filter box is arranged at the top of the vent pipe, and then avoid impurity to get into, improve the accuracy that detects, can realize periodic cycle through programmable controller and detect, the transformation cost is lower, and convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of an automatic control system for secondary water supply according to an embodiment of the present invention.

Detailed Description

The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.

As shown in fig. 1, the embodiment of the utility model provides a secondary water supply automatic control system, including water storage box 1, sampling box 2 and master control box 3. The water storage tank 1 is connected with a water inlet pipe 4 and a water outlet pipe 5, the water inlet pipe 4 is connected with a municipal pipeline through a Y-shaped filter, a water inlet valve and the like, and the top of the water storage tank 1 is provided with a negative pressure suppressor 20. Be equipped with out water solenoid valve 6 on outlet pipe 5, be connected with sampling pipe 7 in one side bypass of outlet pipe 5, be equipped with sampling solenoid valve 8 on sampling pipe 7, sampling pipe 7 is connected with sampling box 2. A discharge pipe 9 is arranged at the lower side of the sampling box 2, a vent pipe 10 is arranged at the upper side of the sampling box 2, and a discharge electromagnetic valve 11 is arranged on the discharge pipe 9. Be equipped with liquid level switch 12 and water quality testing sensor 13 in the inside of sampling case, main control box 3 includes the control unit 31 and the water quality testing appearance 32 of being connected with the control unit 31, goes out water solenoid valve 6, sampling solenoid valve 8, discharge solenoid valve 11 and liquid level switch 12 and is connected with the control unit 31 respectively, by the work of control unit 31 control play water solenoid valve 6, sampling solenoid valve 8, discharge solenoid valve 11 and liquid level switch 12, and then realize the collection of water sample, discharge operation. The water quality detection sensor 13 is connected with the water quality detector 32, so that the water quality in the water storage tank 1 is detected, the detection result is sent to the control unit 31, when the water quality detection is qualified, the control unit 31 controls the water outlet electromagnetic valve 6 to be opened, so that water can be supplied to the water pump, otherwise, the control unit 31 controls the water outlet electromagnetic valve 6 to be closed, and the water supply is stopped. Generally, the parameters of the secondary water supply which are easy to be abnormal are water turbidity, pH, ORP and conductivity, therefore, a multi-parameter water quality detector such as a DCSG-2099 water quality detector is preferably adopted, the water quality detection sensor 13 is selected and matched with sensors with various functions according to the functions to be detected, and is arranged at the side part of the sampling box 2 through a flange, and a connecting line connected with the water quality detector 32 is arranged at the outer side and is sealed. By setting acceptable threshold ranges of the respective parameters on the water quality meter 32, if the threshold ranges are exceeded, the water quality is determined to be not acceptable.

The utility model discloses the control unit 31 can adopt the singlechip to control, and current water pump etc. generally adopt programmable controller to control, and consequently, more preferred is that control unit 31 adopts programmable controller, can directly use current programmable controller who is used for controlling the water pump, sparingly reform transform the cost to, be convenient for realize interlocking control through procedure and water pump, when water quality testing is unqualified, can forbid water pump work, avoid idle running to cause unusually. When detecting quality of water is unqualified, in order to remind the maintenance personnel to overhaul, improve maintenance efficiency, preferably be connected with programmable controller with audible-visual annunciator 18, audible-visual annunciator 18 can set up by the machine to remind the inspection personnel of making a tour, more preferably will set up audible-visual annunciator 18 in monitor 19, a plurality of water supply system in the region of being convenient for are unified and are monitored.

In order to prevent impurities such as dust from entering the sampling box 2, contaminating the inside of the sampling box 2, and further causing sampling data to be inconsistent with the actual data, it is preferable that an air filter box 14 is provided at the upper end of the vent pipe 10, a vent port 15 is provided in the air filter box 14, and an air filter 16 is provided in the air filter box 14. The air filter 16 is preferably a polyester fiber cotton filter. The ventilation port 15 is preferably provided at a side portion of the air filter box 14, and the air filter 16 is preferably embedded inside the ventilation port 15, reducing the possibility of contamination of the air filter 16 and extending the replacement cycle of the air filter 16.

After each test, in order to facilitate the evacuation of the water in the sample chamber 2, it is preferable to arrange the bottom 21 of the sample chamber 2 in an inverted conical shape and to arrange the drain pipe 9 at the center of the bottom 21 of the sample chamber 2 so as to avoid the residue. The discharge can be controlled by setting the opening time of the discharge solenoid valve 11, and it is more preferable that a flow switch 17 is provided on the discharge pipe 9, and the flow switch 17 is connected to the control unit 2. When the control unit 2 detects that the flow in the discharge pipe 9 collected by the flow switch 17 is 0, the discharge electromagnetic valve 11 is controlled to be closed.

The working principle is as follows: the control unit 31 sets a time interval (such as 1 hour, can be adjusted as required) according to a program, opens the sampling electromagnetic valve 8, so that the water in the water storage tank 1 sequentially flows into the sampling box 2 through the water outlet pipe 5 and the sampling pipe 7, the air permeability pipe 10 can balance the air pressure in the sampling box 2, when the water level reaches the position of the water quality detection sensor 13, the control unit 31 controls the sampling electromagnetic valve 8 to close, stops supplying water to the sampling box 2, meanwhile, the control unit 31 controls the water quality detector 32 to be connected with the power supply by outputting a switching value signal, so that the water quality detector 32 is put into detection work, and sends the detection result to the control unit 31 in the form of the switching value signal, when the water quality detector 32 detects that the water quality is qualified, a closing signal is provided to the control unit 31, and the control unit 31 further controls the water outlet electromagnetic valve 6 to be opened, so that water is supplied to the water pump, and further water is supplied to each water supply area. When the water quality detector 32 detects that the water quality is unqualified, a cut-off signal is provided to the control unit 31, the control unit 31 controls the water outlet electromagnetic valve 6 to be closed, water supply is stopped, the control unit 31 controls the audible and visual alarm to work, and an alarm signal is sent out to remind maintenance personnel. After each detection, the control unit 31 controls the discharge electromagnetic valve 11 to be opened to discharge the water in the sampling box 2, and when the flow switch 17 detects that the flow is zero, the control unit 31 controls the discharge electromagnetic valve 11 to be closed, and the next timing cycle detection is carried out.

The above description is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described belong to the prior art or the common general knowledge to those skilled in the art. Without departing from the principle of the present invention, several improvements and decorations can be made, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a secondary water supply automatic control system, its characterized in that, includes water storage box, sampling box and master control case, the water storage box is connected with inlet tube and outlet pipe, be equipped with out the water solenoid valve on the outlet pipe, its one side is connected with the sampling pipe, be equipped with the sampling solenoid valve on the sampling pipe, and its with the sampling box is connected, the sampling box downside is equipped with the delivery pipe, and its upper side is equipped with the permeability cell, be equipped with the emission solenoid valve on the delivery pipe, the inside of sampling box is equipped with liquid level switch and water quality testing sensor, the master control case includes the control unit and the water quality testing appearance of being connected with the control unit, go out water solenoid valve, sampling solenoid valve, emission solenoid valve and liquid level switch and be connected with the control unit respectively, water quality.

2. The automatic control system for secondary water supply according to claim 1, wherein the control unit comprises a programmable controller, and an audible and visual alarm is connected with the programmable controller, and the audible and visual alarm is arranged in the monitoring room.

3. The automatic control system for secondary water supply according to claim 1, wherein an air filter box is arranged at the upper end of the air permeability pipe, an air permeability port is arranged on the air filter box, and an air filter is arranged in the air filter box.

4. The automatic control system for secondary water supply according to claim 3, wherein the air filter is a polyester fiber cotton filter.

5. The automatic control system for secondary water supply according to claim 3, wherein the air vent is provided at a side portion of the air filter box, and the air filter is embedded inside the air vent.

6. The automatic control system for secondary water supply as claimed in claim 1, wherein the bottom of the sampling box is in an inverted conical shape, and the discharge pipe is arranged at the center of the bottom of the sampling box.

7. The automatic control system for secondary water supply according to claim 1, characterized in that a flow switch is further arranged on the discharge pipe, and the flow switch is connected with the control unit.