CN215253137U

CN215253137U - Secondary frequency conversion constant-pressure water supply device

Info

Publication number: CN215253137U
Application number: CN202120728426.4U
Authority: CN
Inventors: 曹锴; 梁丹; 张栋
Original assignee: Suqian United Municipal Engineering Co ltd
Current assignee: Suqian United Municipal Engineering Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-12-21
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a secondary frequency conversion constant voltage water supply installation, it is main including the control box, first water tank, the second inlet tube, the water pump package, first water tank upper end is connected with first inlet tube one end, the first inlet tube other end and outer water supply pipe intercommunication, first water tank lower extreme is through first outlet pipe and pressurization inlet tube one end intercommunication, the pressurization inlet tube still communicates with the water pump package, the second water tank passes through the second inlet tube and communicates with outer water supply pipe, second water tank lower extreme passes through second outlet pipe and pressurization inlet tube intercommunication, first water tank and second water tank all are provided with the float switch. The utility model discloses the product can lead the water supply time of regulation, force the quality of water to the water tank to update, ensure the safety of quality of water, effectively restrain the nimble regulation of existence of harmful bacterium, alleviate the water supply pressure of main pipe network, specially be water supply peak period, to the energy saving and consumption reduction of water supply enterprise, play very big effect.

Description

Secondary frequency conversion constant-pressure water supply device

Technical Field

The utility model relates to a secondary water supply technical field that is correlated with, concretely relates to secondary frequency conversion constant voltage water supply installation.

Background

At present, in the prior art, a water level sensor is mostly adopted when secondary water supply is monitored, and if the water level sensor is influenced by negative pressure in a water storage tank for a long time or is damaged due to water erosion, the water condition in the water storage tank cannot be monitored in real time. In particular to a water tank of an old-fashioned secondary water supply pump room, which mainly adopts a mechanical control mode of a remote control ball float valve to supply water. On one hand, the floating ball of the water tank can not adjust the urban water supply pipe network, especially when the water supply peak, the phenomenon of water contention with the main pipe network is generated. The water supply pressure to the water supply main pipe network is very large; on the other hand, the material difference of the floating ball of the remote control floating ball valve and the corrosion of chloride ions in tap water are accompanied by equipment aging, so that the remote control floating ball valve is easy to malfunction, water inlet is out of control, and water overflow of a pump room is caused; the pump house is always flooded due to the failure of the float valve, so that the water supply facility equipment in the pump house is damaged if the loss caused by the flooding valve is small, and serious property loss, even serious safety accidents, of other equipment of the auxiliary air defense can be caused if the loss is serious. And the water supply tank is generally cleaned and disinfected once in half a year, which affects the water supply quality. The related design can be seen in chinese patent 202010606500.5, etc.

Disclosure of Invention

Technical problem to be solved

In order to solve the problem existing in the above-mentioned background art, the utility model relates to a secondary frequency conversion constant voltage water supply installation, its aim at: the utility model provides can effectively ensure the safety of pump house intaking, adjustable intake time, alleviate the water supply pressure to the water supply main pipe network, can effectively prevent the ball-cock assembly from damaging, guarantee that the water tank does not influence the water supply quality when cleaning and disinfecting, play very big regulatory action to alleviating of the water supply pressure in central city.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a secondary frequency conversion constant voltage water supply installation, mainly includes control box 1, first water tank 8, second inlet tube 10, butterfly valve 16, water pump group 17, hose connection 19,

manometer

21, 8 upper ends of first water tank are connected with 25 one ends of first inlet tube, and the 25 other ends of first inlet tube and outer water supply pipe 9 intercommunication, 8 lower extremes of first water tank are through

first outlet pipe

26 and 18 one end intercommunication of pressurization inlet tube, and pressurization inlet tube 18 still communicates with water pump group 17, and water pump group 17 still communicates with interior delivery pipe 24, is provided with manometer 21 on the interior delivery pipe 24, is provided with butterfly valve 16, hose connection 19, its characterized in that between water pump group 17 and the interior delivery pipe 24: the water supply system also comprises a float switch 6 and a second water tank 13, wherein the second water tank 13 is communicated with an external water supply pipe 9 through a second water inlet pipe 10, the lower end of the second water tank 13 is communicated with a pressurizing water inlet pipe 18 through a second water outlet pipe 27, the first water tank 8 and the second water tank 13 are both provided with the float switch 6, and the float switch 6 is connected with a low water level switch 12 through a float power line 11; the first water inlet pipe 25 is provided with a first electromagnetic valve 7, the second water inlet pipe 10 is provided with a second electromagnetic valve 5, and the first electromagnetic valve 7, the second electromagnetic valve 5, the float switch 6, the low water level switch 12, the water pump group 17 and the pressure gauge 21 are all electrically connected with the control box 1.

As a preferable scheme of the previous step, the tops of the first water tank 8 and the second water tank 13 are both provided with a negative pressure prevention device 2, the insides of the first water tank 8 and the second water tank 13 are both provided with a floating ball 3 and a floating ball valve 4, and the negative pressure prevention device 2 is electrically connected with the control box 1.

As a preferable scheme of the previous step, a steady flow compensation tank 22 is communicated with the inner water supply pipe 24, the steady flow compensation tank 22 is arranged between the pressure gauge 21 and the user end 23, a butterfly valve 16 is arranged between the steady flow compensation tank 22 and the user end 23, and the butterfly valve 16 is installed on the inner water supply pipe 24.

As a preferable scheme of the previous step, the first water outlet pipe 26 is provided with a third electromagnetic valve 14, the second water outlet pipe 27 is provided with a fourth electromagnetic valve 15, the flexible connecting pipe 19 is provided with a fifth electromagnetic valve 20, and the third electromagnetic valve 14, the fourth electromagnetic valve 15 and the fifth electromagnetic valve 20 are all electrically connected with the control box 1.

As a preferable scheme of the previous step, the height of the float switch 6 is controlled by the length of the float power cord 11, and the highest point exceeds the heights of the float 3 and the float valve 4.

As a preferable scheme of the previous step, the float switch 6 controls the opening and closing of the second electromagnetic valve 5 and the first electromagnetic valve 7 through the control box 1, so as to control the first water inlet pipe 25 and the second water inlet pipe 10 to cut off water supply.

(III) advantageous effects

The utility model provides a secondary frequency conversion constant voltage water supply installation possesses following beneficial effect:

1. the utility model discloses the product can lead the water supply time of regulation, force the quality of water to the water tank to update, ensure the safety of quality of water, effectively restrain the nimble regulation of existence of harmful bacterium, alleviate the water supply pressure of main pipe network, specially be water supply peak period, to the energy saving and consumption reduction of water supply enterprise, play very big effect. The system has two kinds of regulation modes of manual and automatic simultaneously, and the regulation time can be accurate to minute, can satisfy most regulation needs, can guarantee for a short time simultaneously that the pressure boost user has ability such as usefulness when the main pipe network cuts off the water.

2. The utility model discloses the product sets up parallelly connected surge tank, controls the alternative or simultaneous use of two water tanks, and the water tank of being convenient for implements clean disinfection at every half a year, can effectively guarantee stability such as water supply system cleanness, pressure.

3. The utility model discloses the product sets up the float switch, damages the back at ordinary floater and ball-cock assembly, can in time cut off the water tank supply channel to in time report to the police, prevent to cause excessive water supply, damage the water tank, flood accidents such as water supply room.

4. The utility model discloses product simple structure, the manufacturing and popularization of being convenient for, product convenient to use has reduced the working strength and the degree of difficulty that on-the-spot secondary water supply was maintained, has improved accuracy, the efficiency of operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a block diagram of the control system of the present invention;

the device comprises a control box 1, a control box 2, a negative pressure prevention device 3, a floating ball 4, a floating ball valve 5, a second electromagnetic valve 6, a floating ball switch 7, a first electromagnetic valve 8, a first water tank 9, an external water supply pipe 10, a second water inlet pipe 11, a floating ball power line 12, a low water level switch 13, a second water tank 14, a third electromagnetic valve 15, a fourth electromagnetic valve 16, a butterfly valve 17, a water pump set 18, a pressurization water inlet pipe 19, a soft connecting pipe 20, a fifth electromagnetic valve 21, a pressure gauge 22, a steady flow compensation tank 23, a user end 24, an internal water supply pipe 25, a first water inlet pipe 26, a first water outlet pipe 27 and a second water outlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1 and 2, the first water tank 8 and the second water tank 13 form a parallel water supply structure with the external water supply pipe 9 and the pressurized water inlet pipe 18 through a first water inlet pipe 25, a second water inlet pipe 10, a first water outlet pipe 26 and a second water outlet pipe 27.

The pressure water inlet pipe 18, the butterfly valve 16, the water pump group 17, the flexible connecting pipe 19, the fifth electromagnetic valve 20 and the inner water supply pipe 24 are sequentially connected, the inner water supply pipe 24 is provided with a pressure gauge 21, the butterfly valve 16 and a steady flow compensation tank 22, and the tail end of the pressure gauge, the butterfly valve 16 and the steady flow compensation tank is connected with a user end 23.

A first electromagnetic valve 7 is arranged on the first water inlet pipe 25, a second electromagnetic valve 5 is arranged on the second water inlet pipe 10, a third electromagnetic valve 14 is arranged on the first water outlet pipe 26, and a fourth electromagnetic valve 15 is arranged on the second water outlet pipe 27.

The top of the first water tank 8 and the top of the second water tank 13 are both provided with a negative pressure prevention device 2, the inside of the first water tank 8 and the second water tank 13 is provided with a floating ball 3, a floating ball valve 4, a floating ball switch 6, a floating ball power line 11 and a low water level switch 12, the floating ball switch 6 is fixed inside the first water tank 8 and the second water tank 13 through the floating ball power line 11, and the floating ball switch 6 is of a sealing structure and can control the on-off of an internal switch according to the height of the floating ball on the liquid level.

The negative pressure prevention device 2, the second electromagnetic valve 5, the float switch 6, the first electromagnetic valve 7, the low water level switch 12, the third electromagnetic valve 14, the fourth electromagnetic valve 15, the water pump set 17, the fifth electromagnetic valve 20 and the pressure gauge 21 are electrically connected with the control box 1.

The safety length of the floating ball power line 11 is set, so that when the page height of the floating ball switch 6 in the water tank exceeds the controllable liquid level of the floating ball 3 and the floating ball valve 4 (namely, when the floating ball 3 and the floating ball valve 4 are damaged), the floating ball switch 6 starts the second electromagnetic valve 5 or the first electromagnetic valve 7 through the control box 1 to cut off the water supply of the first water inlet pipe 25 or the second water inlet pipe 10, and the alarm device is switched on.

The specific implementation process comprises the following steps:

the control box 1 controls the negative pressure preventing device 2 and the low water level switch 12 to control whether the second electromagnetic valve 5 and the first electromagnetic valve 7 are opened or not to supply water to the corresponding second water tank 13 and the first water tank 8.

The control box 1 controls the pressure gauge 21 to control whether the third electromagnetic valve 14 and the fourth electromagnetic valve 15 are opened and communicated to supply water to the corresponding water pump group 17 and the fifth electromagnetic valve 20 to supply water to the internal water supply pipe 24.

The design purpose is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents. To sum up, the utility model discloses reach anticipated purpose.

Claims

1. The utility model provides a secondary frequency conversion constant voltage water supply installation, mainly includes control box (1), first water tank (8), second inlet tube (10), butterfly valve (16), water pump group (17), flexible coupling pipe (19), manometer (21), first water tank (8) upper end is connected with first inlet tube (25) one end, and first inlet tube (25) other end and outer water supply pipe (9) intercommunication, first water tank (8) lower extreme is through first outlet pipe (26) and pressurization inlet tube (18) one end intercommunication, and pressurization inlet tube (18) still communicate with water pump group (17), and water pump group (17) still communicate with interior delivery pipe (24), are provided with manometer (21) on interior delivery pipe (24), are provided with butterfly valve (16), flexible coupling pipe (19) between water pump group (17) and interior delivery pipe (24), its characterized in that: the water supply system further comprises a float switch (6) and a second water tank (13), the second water tank (13) is communicated with an external water supply pipe (9) through a second water inlet pipe (10), the lower end of the second water tank (13) is communicated with a pressurizing water inlet pipe (18) through a second water outlet pipe (27), the first water tank (8) and the second water tank (13) are both provided with the float switch (6), and the float switch (6) is connected with a low water level switch (12) through a float power line (11); the water pump is characterized in that a first electromagnetic valve (7) is arranged on the first water inlet pipe (25), a second electromagnetic valve (5) is arranged on the second water inlet pipe (10), and the first electromagnetic valve (7), the second electromagnetic valve (5), the floating ball switch (6), the low water level switch (12), the water pump group (17) and the pressure gauge (21) are all electrically connected with the control box (1).

2. The secondary variable-frequency constant-pressure water supply device as claimed in claim 1, wherein: the top parts of the first water tank (8) and the second water tank (13) are respectively provided with a negative pressure prevention device (2), the insides of the first water tank (8) and the second water tank (13) are respectively provided with a floating ball (3) and a floating ball valve (4), and the negative pressure prevention devices (2) are electrically connected with the control box (1).

3. The secondary variable-frequency constant-pressure water supply device as claimed in claim 1, wherein: the inner water supply pipe (24) is communicated with a steady flow compensation tank (22), the steady flow compensation tank (22) is arranged between the pressure gauge (21) and the user end (23), a butterfly valve (16) is arranged between the steady flow compensation tank (22) and the user end (23), and the butterfly valve (16) is installed on the inner water supply pipe (24).

4. The secondary variable-frequency constant-pressure water supply device as claimed in claim 1, wherein: the first water outlet pipe (26) is provided with a third electromagnetic valve (14), the second water outlet pipe (27) is provided with a fourth electromagnetic valve (15), the flexible connecting pipe (19) is provided with a fifth electromagnetic valve (20), and the third electromagnetic valve (14), the fourth electromagnetic valve (15) and the fifth electromagnetic valve (20) are all electrically connected with the control box (1).

5. The secondary variable-frequency constant-pressure water supply device as claimed in claim 1, wherein: the height of the floating ball switch (6) is controlled by the length of the floating ball power line (11), and the highest point of the floating ball switch exceeds the heights of the floating ball (3) and the floating ball valve (4).

6. The secondary variable-frequency constant-pressure water supply device as claimed in claim 5, wherein: the floating ball switch (6) controls the opening and closing of the second electromagnetic valve (5) and the first electromagnetic valve (7) through the control box (1), so that the first water inlet pipe (25) and the second water inlet pipe (10) are controlled to cut off water supply.