CN215890408U

CN215890408U - Water supply equipment water pump freeze-proof device

Info

Publication number: CN215890408U
Application number: CN202121859863.6U
Authority: CN
Inventors: 张金杰; 王忠莲; 张晓庆
Original assignee: Qingdao Langbang Water Supply Equipment Co ltd
Current assignee: Qingdao Langbang Water Supply Equipment Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-02-22
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a water pump anti-freezing device of water supply equipment, which relates to the technical field of water supply equipment and comprises an anti-freezing pipeline and a water pump connected with the anti-freezing pipeline, wherein a temperature sensor is arranged in a port of a water inlet end of the water pump, the anti-freezing pipeline comprises a first pipeline, a second pipeline and a water tank, the bottom of the water tank is connected with the upper end of the first pipeline, a four-way joint is positioned between the water outlet end of the water pump and a water outlet pipe, the upper end of the second pipeline is connected with the middle part of the left side of the water tank, the lower end of the second pipeline is connected with the three-way joint, and a PLC (programmable logic controller) is arranged on the front side of the water tank. According to the utility model, the temperature sensor, the anti-freezing pipeline and the PLC are arranged, when the temperature sensor detects that the temperature is lower than 0 ℃, the water pump pumps water in the water tank through the second pipeline and inputs the water into the water tank through the first pipeline, a closed circulating water path is formed, the water in the water pump can be effectively prevented from freezing, and the anti-freezing effect of the water pump is improved.

Description

Water supply equipment water pump freeze-proof device

Technical Field

The utility model relates to the technical field of water supply equipment, in particular to a water pump anti-freezing device of water supply equipment.

Background

The water supply equipment is used for delivering water into the home of a user in places where municipal administration cannot deliver water. The secondary water supply equipment used at present mainly comprises two types of water supply equipment, one type is non-negative pressure water supply equipment, the other type is variable frequency water supply equipment, and the two types of water supply equipment belong to energy-saving variable frequency water supply equipment but are different. The variable-frequency water supply equipment adjusts the water pump, so that the purpose of water supply is guaranteed according to the change of water quantity and water pressure, and the rotating speed of the water pump can also generate some corresponding changes; the non-negative pressure water supply equipment is the pressurizing water supply equipment, the system and the municipal tap water pipe network directly pressurize and run, so that the municipal tap water pipe network is not subjected to negative pressure, secondary pressurization is carried out on the basis of the municipal pipe network, and normal water supply when the water supply pressure of the high-rise building is insufficient is ensured.

At present, the temperature gradually drops when winter comes, and the static water can be solidified into ice below zero, and the volume can expand in the process, so that the pump body is frozen and cracked.

Therefore, it is necessary to provide an anti-freezing device for a water pump of a water supply equipment to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water pump anti-freezing device of water supply equipment, which is provided with a temperature sensor, an anti-freezing pipeline and a PLC (programmable logic controller), wherein when the temperature sensor detects that the temperature is lower than 0 ℃, the PLC controls a first electric control valve and a third electric control valve to be opened, and controls a water pump to run at a low frequency, so that the water pump pumps water through a water inlet pipe and inputs the water into a water tank through a first pipeline, when the water level reaches the water level sensor, the PLC controls the first electric control valve to be closed and controls a fourth electric control valve to be opened, the water pump pumps water in the water tank through a second pipeline and inputs the water into the water tank through the first pipeline, a closed circulating water path is formed, and the water in the water pump can be effectively prevented from freezing, so that the defects in the technology are solved.

In order to achieve the above purpose, the utility model provides the following technical scheme: a water supply equipment water pump anti-freezing device comprises an anti-freezing pipeline and a water pump connected with the anti-freezing pipeline, wherein a water inlet pipe is connected to the water inlet end of the water pump, a first electric control valve is installed at one end, close to the water pump, of the water inlet pipe, a water outlet pipe is connected to the water outlet end of the water pump, a second electric control valve is installed at one end, close to the water pump, of the water outlet pipe, a temperature sensor is installed inside a port of the water inlet end of the water pump, the anti-freezing pipeline comprises a first pipeline, a second pipeline and a water tank, the bottom of the water tank is connected with the upper end of the first pipeline, a four-way joint is connected to the lower end of the first pipeline and is located between the water outlet end and the water outlet pipe of the water pump, ports at the left end and the right end of the four-way joint are respectively connected with the water outlet end and the water outlet pipe of the water pump, a water drain pipe is connected to the lower end of the four-way joint, and a drain valve is installed on the water drain pipe, the utility model discloses a water pump, including first pipeline, tee bend, inlet end and inlet tube, first pipeline is close to four way connection's one end and installs third electric control valve, the upper end of second pipeline is connected with the left side middle part of water tank, the lower extreme of second pipeline is connected with three way connection, three way connection is located between the end of intaking of water pump and the inlet tube, three way connection's the left and right sides both ends port respectively with the end of intaking and advancing water piping connection of water pump, fourth electric control valve is installed to the one end that the second pipeline is close to three way connection, level sensor is installed to the inner wall of water tank, the PLC controller is installed to the front side of water tank.

Preferably, the output ends of the temperature sensor and the water level sensor are electrically connected with the input end of the PLC controller, and the output end of the PLC controller is electrically connected with the input ends of the first electric control valve, the second electric control valve, the drain valve, the third electric control valve and the fourth electric control valve respectively.

Preferably, the bottom of the water tank is provided with a support frame.

Preferably, the water level sensor is located at a level higher than a level at which the second pipeline is connected to the water tank.

Preferably, the outer sides of the first pipeline and the second pipeline are sleeved with anti-freezing sleeves, and the anti-freezing sleeves are processed by rubber and plastic sponges.

Preferably, a protective net is installed inside the water tank, and the height of the horizontal plane where the protective net is located is lower than the height of the joint of the second pipeline and the water tank.

Preferably, the protective net is made of stainless steel wires through weaving.

Preferably, servo motor is installed at the top of water tank, the middle part activity nestification of protection network has the bull stick, the last lateral wall of water tank is run through in the upper end activity of bull stick, the upper end and the servo motor's of bull stick are connected, the pole body fixed surface that the bull stick is located the protection network top has first puddler, the pole body fixed surface that the bull stick is in the protection network below has the second puddler, the output of PLC controller and servo motor's input electric connection.

In the technical scheme, the utility model provides the following technical effects and advantages:

1. by arranging the temperature sensor, the anti-freezing pipeline and the PLC, when the temperature sensor detects that the temperature is lower than 0 ℃, the PLC controls the first electric control valve and the third electric control valve to be opened and controls the water pump to operate at low frequency, so that the water pump pumps water through the water inlet pipe and inputs the water into the water tank through the first pipeline;

2. through being provided with protection network, servo motor, bull stick, first puddler and second puddler, servo motor work drives first puddler and second puddler through the bull stick and rotates for water in the water tank keeps the state of flowing, avoids the water in the water tank to freeze, and the protection network can intercept the thin ice that gets into in the water tank, and rotates through the second puddler and carry out the breakage to it, melting of the thin ice of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

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

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a schematic view of a water pump according to the present invention;

fig. 5 is a cross-sectional view of the water tank of the present invention.

Description of reference numerals:

the water pump comprises a water pump 1, a water inlet pipe 2, a first electric control valve 3, a water outlet pipe 4, a second electric control valve 5, a temperature sensor 6, a first pipeline 7, a second pipeline 8, a water tank 9, a four-way joint 10, a water outlet pipe 11, a water outlet valve 12, a third electric control valve 13, a three-way joint 14, a fourth electric control valve 15, a water level sensor 16, a PLC (programmable logic controller) 17, a support frame 18, an anti-freezing sleeve 19, a protective screen 20, a servo motor 21, a rotating rod 22, a first stirring rod 23 and a second stirring rod 24.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a water pump anti-freezing device of water supply equipment as shown in figures 1-5, which comprises an anti-freezing pipeline and a water pump 1 connected with the anti-freezing pipeline, wherein a water inlet pipe 2 is connected with a water inlet end of the water pump 1, a first electric control valve 3 is arranged at one end of the water inlet pipe 2 close to the water pump 1, a water outlet end of the water pump 1 is connected with a water outlet pipe 4, a second electric control valve 5 is arranged at one end of the water outlet pipe 4 close to the water pump 1, a temperature sensor 6 is arranged in a port of the water inlet end of the water pump 1, the anti-freezing pipeline comprises a first pipeline 7, a second pipeline 8 and a water tank 9, the bottom of the water tank 9 is connected with the upper end of the first pipeline 7, the lower end of the first pipeline 7 is connected with a four-way joint 10, the four-way joint 10 is positioned between the water outlet end of the water pump 1 and the water outlet pipe 4, ports of the left end and the right end of the four-way joint 10 are respectively connected with the water outlet end and the water outlet pipe 4 of the water pump 1, the lower extreme port of four way connection 10 is connected with drain pipe 11, install drain valve 12 on the drain pipe 11, first pipeline 7 is close to the one end of four way connection 10 and installs third electric control valve 13, the upper end of second pipeline 8 is connected with the left side middle part of water tank 9, the lower extreme of second pipeline 8 is connected with three way connection 14, three way connection 14 is located between water pump 1's the end of intaking and inlet tube 2, three way connection 14 about both ends port respectively with water pump 1's the end of intaking and inlet tube 2 be connected, fourth electric control valve 15 is installed to the one end that second pipeline 8 is close to three way connection 14, level sensor 16 is installed to the inner wall of water tank 9, PLC controller 17 is installed to the front side of water tank 9.

The output of temperature sensor 6 and water level sensor 16 all with PLC controller 17's input electric connection, PLC controller 17's output respectively with first electric control valve 3, second electric control valve 5, drain valve 12, third electric control valve 13 and fourth electric control valve 15's input electric connection, temperature sensor 6 detects the temperature and gives PLC controller 17 with information transfer, water level sensor 16 detects the water level in the water tank 9, and give PLC controller 17 with information transfer, PLC controller 17 can control opening and closing of first electric control valve 3, second electric control valve 5, drain valve 12, third electric control valve 13 and fourth electric control valve 15.

The bottom of the water tank 9 is provided with a support frame 18 for supporting the water tank 9, so that the water tank 9 is placed stably.

The height of the horizontal plane where the water level sensor 16 is located is higher than the height of the joint of the second pipeline 8 and the water tank 9, so that when the water level in the water tank 9 reaches the water level sensor 16, the joint of the second pipeline 8 and the water tank 9 can be submerged, and the water in the water tank 9 can conveniently flow into the water pump 1 through the second pipeline 8.

The anti-freezing sleeve 19 is sleeved on the outer sides of the first pipeline 7 and the second pipeline 8, the anti-freezing sleeve 19 is made of rubber and plastic sponge, the heat preservation effect is good, the anti-freezing effect of the first pipeline 7 and the second pipeline 8 is improved, and the service life of the first pipeline 7 and the service life of the second pipeline 8 are prolonged.

The implementation mode is specifically as follows: when the temperature sensor 6 detects that the temperature is lower than 0 ℃, a signal is transmitted to the PLC 17, the PLC 17 firstly controls the first electric control valve 3 on the water inlet pipe 2 and the third electric control valve 13 on the first pipeline 7 to be opened, and controls the water pump 1 to run at low frequency, so that the water pump 1 pumps water through the water inlet pipe 2 and inputs the water into the water tank 9 through the first pipeline 7, when the water level in the water tank 9 reaches the water level sensor 16, the water level sensor 16 transmits a signal to the PLC 17, the PLC 17 controls the first electric control valve 3 to be closed, so that the water inlet pipe 2 stops supplying water, meanwhile, the PLC 17 controls the fourth electric control valve 15 on the second pipeline 8 to be opened, so that the water in the water tank 9 flows into the water pump 1 through the second pipeline 8, the water pump 1 pumps the water in the water tank 9 through the second pipeline 8 and inputs the water into the water tank 9 through the first pipeline 7, and a closed circulating water channel is formed, can effectively prevent that the water in the water pump 1 from freezing, the frostproofing effect of water pump 1 has been improved, the cover 19 that prevents frostbite has all been cup jointed in the outside of first pipeline 7 and second pipeline 8, the frostproofing effect of first pipeline 7 and second pipeline 8 has been improved, the life of first pipeline 7 and second pipeline 8 has been prolonged, this embodiment has specifically solved the static water that exists among the prior art and can solidify into ice below the zero degree, and at this in-process volume can expand, make the pump body by the problem of frost crack.

As shown in fig. 1 and 5, a protective screen 20 is installed inside the water tank 9, and the height of the horizontal plane where the protective screen 20 is located is lower than the height of the connection between the second pipeline 8 and the water tank 9, so that thin ice entering the water tank 9 can be intercepted, and the thin ice is prevented from entering the water pump 1 and affecting the water pump 1.

The protective net 20 is made of stainless steel wires through weaving, and is high in structural strength, not prone to damage and long in service life.

Servo motor 21 is installed at the top of water tank 9, the nested bull stick 22 that has had in the middle part activity of protection network 20, the upper end activity of bull stick 22 runs through the lateral wall that goes up of water tank 9, the upper end of bull stick 22 is connected with servo motor 21's output, bull stick 22 that is located the protection network 20 top pole body fixed surface has first puddler 23, the pole body fixed surface that bull stick 22 is in the protection network 20 below has second puddler 24, PLC controller 17's output and servo motor 21's input electric connection, servo motor 21 work drive bull stick 22 rotate, and bull stick 22 rotates and drives first puddler 23 and second puddler 24 and rotate, stirs the rivers in the water tank 9 for water in the water tank 9 is in the motion state, avoids the water in the water tank 9 to freeze.

The implementation mode is specifically as follows: PLC controller 17 control servo motor 21 work, servo motor 21 work drives bull stick 22 and rotates, bull stick 22 rotates and drives first puddler 23 and second puddler 24 and rotates, stir the rivers in the water tank 9, make the water in the water tank 9 be in the motion state, avoid the water in the water tank 9 to freeze, the internally mounted of water tank 9 has protection network 20, can intercept the thin ice that gets into in the water tank 9, avoid the thin ice to lead to the fact the influence to water pump 1 in getting into water pump 1, rotate through second puddler 24 simultaneously and carry out the breakage to it, be convenient for melt of thin ice, this embodiment has specifically solved the problem that the water in the water tank that exists among the prior art easily freezes.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a water supply equipment water pump freeze-proof device, includes freeze-proof pipeline and water pump (1) that links to each other with freeze-proof pipeline, the end of intaking of water pump (1) is connected with inlet tube (2), inlet tube (2) are close to the one end of water pump (1) and install first automatically controlled valve (3), the play water end of water pump (1) is connected with outlet pipe (4), second automatically controlled valve (5), its characterized in that are installed to the one end that outlet pipe (4) are close to water pump (1): the anti-freezing water pump is characterized in that a temperature sensor (6) is mounted inside a port of a water inlet end of the water pump (1), the anti-freezing pipeline comprises a first pipeline (7), a second pipeline (8) and a water tank (9), the bottom of the water tank (9) is connected with the upper end of the first pipeline (7), the lower end of the first pipeline (7) is connected with a four-way joint (10), the four-way joint (10) is located between a water outlet end of the water pump (1) and a water outlet pipe (4), ports of the left end and the right end of the four-way joint (10) are respectively connected with the water outlet end of the water pump (1) and the water outlet pipe (4), a water outlet pipe (11) is connected with a lower end port of the four-way joint (10), a water discharge valve (12) is mounted on the water outlet pipe (11), a third electric control valve (13) is mounted at one end, close to the four-way joint (10), of the first pipeline (7), the upper end of the second pipeline (8) is connected with the middle of the left side of the water tank (9), the lower extreme of second pipeline (8) is connected with three way connection (14), three way connection (14) are located between intake end and inlet tube (2) of water pump (1), three way connection (14) about both ends port be connected with intake end and inlet tube (2) of water pump (1) respectively, fourth electric control valve (15) are installed to the one end that second pipeline (8) are close to three way connection (14), level sensor (16) are installed to the inner wall of water tank (9), PLC controller (17) are installed to the front side of water tank (9).

2. The antifreeze apparatus for water supply equipment pump according to claim 1, wherein: the output ends of the temperature sensor (6) and the water level sensor (16) are electrically connected with the input end of the PLC (17), and the output end of the PLC (17) is electrically connected with the input ends of the first electric control valve (3), the second electric control valve (5), the drainage valve (12), the third electric control valve (13) and the fourth electric control valve (15) respectively.

3. The antifreeze apparatus for water supply equipment pump according to claim 1, wherein: the bottom of the water tank (9) is provided with a support frame (18).

4. The antifreeze apparatus for water supply equipment pump according to claim 1, wherein: the height of the water level at which the water level sensor (16) is positioned is higher than that of the joint of the second pipeline (8) and the water tank (9).

5. The antifreeze apparatus for water supply equipment pump according to claim 1, wherein: the anti-freezing sleeve (19) is sleeved on the outer sides of the first pipeline (7) and the second pipeline (8), and the anti-freezing sleeve (19) is made of rubber and plastic sponge.

6. The antifreeze apparatus for water supply equipment pump according to claim 1, wherein: a protective net (20) is arranged in the water tank (9), and the height of the horizontal plane where the protective net (20) is located is lower than the height of the connection position of the second pipeline (8) and the water tank (9).

7. The antifreeze apparatus for water supply equipment pump according to claim 6, wherein: the protective net (20) is made of stainless steel wires through weaving.

8. The antifreeze apparatus for water supply equipment pump according to claim 6, wherein: servo motor (21) are installed at the top of water tank (9), the middle part activity nestification of protection network (20) has bull stick (22), the last lateral wall of water tank (9) is run through in the upper end activity of bull stick (22), the upper end of bull stick (22) is connected with servo motor (21)'s output, pole body fixed surface that bull stick (22) is in protection network (20) top has first puddler (23), pole body fixed surface that bull stick (22) is in protection network (20) below has second puddler (24), the output of PLC controller (17) and the input electric connection of servo motor (21).