CN214940662U

CN214940662U - Variable-frequency constant-pressure non-negative-pressure water supply equipment

Info

Publication number: CN214940662U
Application number: CN202121636742.5U
Authority: CN
Inventors: 蔡珊瑚
Original assignee: Shanghai Keller Smart Water Co ltd
Current assignee: Shanghai Keller Smart Water Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-11-30
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a frequency conversion constant voltage does not have negative pressure water supply equipment, including bottom plate and outlet pipe, the top fixedly connected with base of bottom plate, the negative pressure jar is installed at the top of base, the right-hand member fixedly connected with delivery port of negative pressure jar, the outlet pipe is close to the first connecting plate of one end fixedly connected with of delivery port, be provided with sealed the pad between first connecting plate and the delivery port, the internally mounted of negative pressure jar has pressure sensor, the below that the top of bottom plate is close to the negative pressure jar is provided with frequency conversion regulator, frequency conversion regulator's output electric connection has the frequency conversion water pump, the output fixedly connected with water pump communicating pipe of frequency conversion water pump. The utility model discloses a sealing washer and retainer plate can carry out sealing equipment to inside, avoid inside water droplet to leak, cause the erosion to the device, make the device impaired, can adjust the angle of raceway, and the installation of being convenient for is convenient for carry out the calandria according to the condition.

Description

Variable-frequency constant-pressure non-negative-pressure water supply equipment

Technical Field

The utility model relates to a water supply equipment field, concretely relates to frequency conversion constant voltage does not have negative pressure water supply equipment.

Background

With the continuous development of modern urbanization, the demands of domestic water, industrial water and the like are increasingly greater, at present, domestic water supply equipment generally adopts a municipal pipe network as a water source, and performs pressurization water supply on the basis of the water pressure of the municipal pipe network to form a continuous and closed relay pressurization water supply mode.

Most leakproofness of current no negative pressure water supply equipment is not good, when using, produces the water clock phenomenon easily, causes the wasting of resources, and the angle of water pipe is fixed mostly, when the installation, is not convenient for carry out the calandria according to the on-the-spot condition, and the installation is wasted time and energy.

Therefore, it is necessary to invent a variable frequency constant pressure non-negative pressure water supply device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a frequency conversion constant voltage does not have negative pressure water supply equipment, through sealing washer and retainer plate, can carry out sealing equipment to inside, avoid inside water droplet to leak, cause the erosion to the device, make the device impaired, can adjust the angle of raceway, be convenient for install, be convenient for carry out the calandria according to the condition, it is not good to solve among the prior art most leakproofness, when using, produce the water droplet phenomenon easily, cause the wasting of resources, and the angle of water pipe is fixed mostly, when the installation, be not convenient for carry out the calandria according to the site conditions, the problem that the installation is wasted time and energy.

In order to achieve the above object, the present invention provides the following technical solutions: a variable-frequency constant-pressure non-negative-pressure water supply device comprises a bottom plate and a water outlet pipe, wherein the top of the bottom plate is fixedly connected with a base, a negative pressure tank is installed at the top of the base, the right end of the negative pressure tank is fixedly connected with a water outlet, one end, close to the water outlet, of the water outlet pipe is fixedly connected with a first connecting plate, a sealing gasket is arranged between the first connecting plate and the water outlet, a pressure sensor is installed inside the negative pressure tank, a variable-frequency regulator is arranged below the top of the bottom plate, close to the negative pressure tank, the output end of the variable-frequency regulator is electrically connected with a variable-frequency water pump, the output end of the variable-frequency water pump is fixedly connected with a water pump communicating pipe, the end part of the water pump communicating pipe is fixedly connected with a first connector, the inside of the first connector is rotatably connected with a water conveying pipe, the bottom of the water conveying pipe is clamped and connected with a supporting rod, and one end, far away from the water pump communicating pipe, is communicated with a flow supplementing pipe, the flow supplementing pipe is communicated with the water outlet pipe, and the left end of the negative pressure tank is fixedly connected with a water inlet.

Through holes are formed in the water outlet, the first connecting plate and the sealing gasket, the through holes are three, first screws are connected to the inner threads of the through holes, and the first screws penetrate through the water outlet, the first connecting plate and the sealing gasket.

The quantity of base sets up to two, two the base symmetric distribution is in the both sides of negative pressure jar, the top of base is the spill setting, and base and negative pressure jar looks adaptation.

The one end fixedly connected with second connector that the raceway is close to first connector, the outside of second connector is provided with the retainer plate, be provided with the sealing washer between retainer plate and the first connector, the inside of sealing washer is run through there is the second screw.

The outer wall of second connector contacts with the inner wall of first connector and retainer plate, the second screw runs through first connector, retainer plate and sealing washer.

The output end of the pressure sensor is electrically connected with an A/D converter, the output end of the A/D converter is electrically connected with a single chip microcomputer, the output end of the single chip microcomputer is electrically connected with a D/A converter, and the output end of the D/A converter is electrically connected with a variable frequency regulator.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the water outlet pipe is fixed through the first screw, the device can be sealed through the sealing gasket, so that internal water drops are prevented from leaking and causing resource waste, the fixing ring and the first connector are fixed through the second screw, the inside can be sealed through equipment under the action of the sealing ring, the internal water drops are prevented from leaking and corroding the device, and the device is damaged;

2. carry out real time monitoring and regulation to the device through pressure sensor and frequency conversion regulator, when actual pressure and settlement pressure are unbalanced, frequency conversion regulator carries out automatically regulated to the frequency of frequency conversion water pump, until the actual pressure in the output tube equals the pressure of settlement, in order to reach dynamic balance, with this assurance equipment even running, guarantee that equipment can not only operate the water supply when municipal water supply is not enough, do not form the negative pressure suction to the municipal pipe again.

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 schematic side view of the three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the exploded structure of the water outlet of the present invention;

FIG. 4 is a schematic view of the connection structure between the variable frequency water pump and the water outlet pipe of the present invention;

fig. 5 is a schematic view of the internal structure of the first connector of the present invention;

fig. 6 is a system control flow chart of the present invention.

Description of reference numerals:

1. a base plate; 2. a base; 3. a negative pressure tank; 4. a water outlet; 5. a water outlet pipe; 6. a first connecting plate; 7. a gasket; 8. a first screw; 9. a pressure sensor; 10. a variable frequency regulator; 11. a variable frequency water pump; 12. a water pump communicating pipe; 13. a first connector; 14. a water delivery pipe; 15. a support bar; 16. a flow supplement pipe; 17. a second connector; 18. a stationary ring; 19. a seal ring; 20. a second screw; 21. a single chip microcomputer; 22. a water inlet.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a variable-frequency constant-pressure non-negative-pressure water supply device as shown in figures 1-6, which comprises a bottom plate 1 and a water outlet pipe 5, wherein the top of the bottom plate 1 is fixedly connected with a base 2, the top of the base 2 is provided with a negative pressure tank 3, the right end of the negative pressure tank 3 is fixedly connected with a water outlet 4, one end of the water outlet pipe 5 close to the water outlet 4 is fixedly connected with a first connecting plate 6, a sealing gasket 7 is arranged between the first connecting plate 6 and the water outlet 4, the inside of the negative pressure tank 3 is provided with a pressure sensor 9, the top of the bottom plate 1 is provided with a variable-frequency regulator 10 close to the lower part of the negative pressure tank 3, the output end of the variable-frequency regulator 10 is electrically connected with a variable-frequency water pump 11, the output end of the variable-frequency water pump 11 is fixedly connected with a water pump communicating pipe 12, the end part of the water pump communicating pipe 12 is fixedly connected with a first connecting head 13, a water delivery pipe 14 is rotatably connected inside the first connector 13, a support rod 15 is connected to the bottom of the water delivery pipe 14 in a clamping manner, a flow supplementing pipe 16 is communicated with one end of the water delivery pipe 14, which is far away from the water pump communicating pipe 12, the flow supplementing pipe 16 is communicated with the water outlet pipe 5, and a water inlet 22 is fixedly connected to the left end of the negative pressure tank 3.

In the technical scheme, through holes are formed in the water outlet 4, the first connecting plate 6 and the sealing gasket 7, the through holes are three, the first screws 8 are connected to the inner threads of the through holes, the first screws 8 penetrate through the water outlet 4, the first connecting plate 6 and the sealing gasket 7, the water outlet 4 can be sealed, and the water inside is prevented from dripping when the water-cooling type water-cooling device is used, so that resource waste is caused.

In the above technical scheme, the quantity of base 2 sets up to two, two 2 symmetric distribution of base are in the both sides of negative pressure jar 3, the top of base 2 is the spill setting, and

base

2 and 3 looks adaptations of negative pressure jar can carry out the stable stay to negative pressure jar 3, can improve the stability of device.

As shown in fig. 1-6: one end fixedly connected with second connector 17 that raceway 14 is close to first connector 13, the outside of second connector 17 is provided with retainer plate 18, be provided with sealing washer 19 between retainer plate 18 and the first connector 13, the inside of sealing washer 19 is run through there is second screw 20, and raceway 14 of being convenient for rotates, can install according to actual conditions.

In the above technical scheme, the outer wall of second connector 17 contacts with the inner wall of first connector 13 and retainer plate 18, second screw 20 runs through first connector 13, retainer plate 18 and sealing washer 19, can seal the junction, avoids when using, inside water leaks outward.

In the above technical scheme, the output end of the pressure sensor 9 is electrically connected with an A/D converter, the output end of the A/D converter is electrically connected with a single chip microcomputer 21, the output end of the single chip microcomputer 21 is electrically connected with a D/A converter, and the output end of the D/A converter is electrically connected with the variable frequency regulator 10, so that the flow can be supplemented according to the pressure inside the negative pressure tank 3, and the normal operation of the equipment can be maintained.

This practical theory of operation:

referring to the attached drawings 1-6 of the specification, firstly, the device is moved to a designated position, a water inlet 22 is connected to a municipal pipe network, then a water outlet pipe 5 is installed on a water outlet 4, then the water outlet pipe 5 is fixed through a first screw 8, a sealing gasket 7 is arranged between the water outlet 4 and the water outlet pipe 5, the device can be arranged in a sealing mode, internal water drops are prevented from leaking, erosion to the device is avoided, the device is damaged, then a user can place a second connector 17 at the end of a water pipe 14 inside a first connector 13, then a fixing ring 18 sleeved on the outer side of the second connector 17 slides to the side of the first connector 13, then the fixing ring 18 and the first connector 13 are fixed through a second screw 20, under the action of a sealing ring 19, the device can be sealed inside, the phenomenon that the internal water drops leak and the water resource is wasted is avoided, the water conveying pipes 14 can rotate inside the first connecting head 13, so that the angles of the water conveying pipes 14 can be adjusted, wherein a plurality of water conveying pipes 14 can be arranged according to conditions, installation is facilitated, and pipe arrangement is facilitated according to the conditions;

referring to the attached drawings 1-6 of the specification, when the pressure sensor 9 detects the internal pressure of the negative pressure tank 3, the detected information is fed back to the single chip microcomputer 21 through the A/D converter, the system can adjust according to the fed back information, then the data is fed back to the variable frequency regulator 10 through the D/A converter, the variable frequency regulator 10 compares the collected information with a set pressure value, when the actual pressure is higher than the set pressure, the variable frequency regulator 10 reduces the frequency of the variable frequency water pump 11, when the actual pressure is lower than the set pressure, the variable frequency regulator 10 increases the frequency of the variable frequency water pump 11 until the actual pressure in the output pipe is equal to the set pressure, and therefore dynamic balance is achieved.

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 present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a frequency conversion constant voltage does not have negative pressure water supply equipment, includes bottom plate (1) and outlet pipe (5), its characterized in that: the water pump is characterized in that a base (2) is fixedly connected to the top of the base plate (1), a negative pressure tank (3) is installed at the top of the base (2), a water outlet (4) is fixedly connected to the right end of the negative pressure tank (3), a first connecting plate (6) is fixedly connected to one end, close to the water outlet (4), of the water outlet pipe (5), a sealing gasket (7) is arranged between the first connecting plate (6) and the water outlet (4), a pressure sensor (9) is installed inside the negative pressure tank (3), a variable frequency regulator (10) is arranged below the top of the base plate (1), close to the negative pressure tank (3), the output end of the variable frequency regulator (10) is electrically connected with a variable frequency water pump (11), a water pump communicating pipe (12) is fixedly connected to the output end of the variable frequency water pump (11), and a first connecting joint (13) is fixedly connected to the end of the water pump communicating pipe (12), the water pump is characterized in that a water conveying pipe (14) is rotatably connected to the inside of the first connector (13), a supporting rod (15) is connected to the bottom of the water conveying pipe (14) in a clamping mode, one end, far away from the water pump communicating pipe (12), of the water conveying pipe (14) is communicated with a flow supplementing pipe (16), the flow supplementing pipe (16) is communicated with a water outlet pipe (5), and a water inlet (22) is fixedly connected to the left end of the negative pressure tank (3).

2. The variable-frequency constant-pressure non-negative-pressure water supply equipment as claimed in claim 1, wherein: through-holes, three have all been seted up to the inside of delivery port (4), first connecting plate (6) and sealed pad (7) the inside threaded connection of through-hole has first screw (8), first screw (8) run through delivery port (4), first connecting plate (6) and sealed pad (7).

3. The variable-frequency constant-pressure non-negative-pressure water supply equipment as claimed in claim 1, wherein: the quantity of base (2) sets up to two, two base (2) symmetric distribution is in the both sides of negative pressure jar (3), the top of base (2) is the spill setting, and base (2) and negative pressure jar (3) looks adaptation.

4. The variable-frequency constant-pressure non-negative-pressure water supply equipment as claimed in claim 1, wherein: one end fixedly connected with second connector (17) that raceway (14) is close to first connector (13), the outside of second connector (17) is provided with retainer plate (18), be provided with between retainer plate (18) and first connector (13) sealing washer (19), second screw (20) have been run through to the inside of sealing washer (19).

5. The variable-frequency constant-pressure non-negative-pressure water supply equipment according to claim 4, characterized in that: the outer wall of the second connector (17) is in contact with the inner walls of the first connector (13) and the fixing ring (18), and the second screw (20) penetrates through the first connector (13), the fixing ring (18) and the sealing ring (19).

6. The variable-frequency constant-pressure non-negative-pressure water supply equipment as claimed in claim 1, wherein: the output end of the pressure sensor (9) is electrically connected with an A/D converter, the output end of the A/D converter is electrically connected with a single chip microcomputer (21), the output end of the single chip microcomputer (21) is electrically connected with a D/A converter, and the output end of the D/A converter is electrically connected with the variable frequency regulator (10).