Pressure adjusting device for distributed variable-frequency flow transmission and distribution regulation and control

Abstract

A pressure adjusting device for distributed variable frequency flow transmission and distribution regulation and control comprises an upper through pipe, a lower through pipe and a sewage disposal valve, one end of the upper through pipe is fixedly connected with the sewage disposal valve, one end of the lower through pipe is also fixedly connected with the sewage disposal valve, the other side of the upper through pipe is fixedly connected with a water inlet pipe, and the other side of the lower through pipe is fixedly connected with a water outlet pipe. A pipeline internal pressure adjusting structure is arranged above the upper through pipe, and a water flow intercepting and filling conveying structure is arranged in the upper through pipe. According to the pressure adjusting device for distributed variable-frequency flow transmission and distribution regulation and control, by screwing a rotating wheel to rotate, the rotating wheel can drive a threaded rod on the lower portion to rotate upwards, the threaded rod is screwed out on the inner side of a sealing sleeve point by point, and an exhaust pump can pump out residual air in an upper through pipe as much as possible, so that hot water is input while air is exhausted; the size of a cavity generated by air in the upper through pipe can be reduced, the influence on heat dissipation is weakened, and the heat dissipation effect of the pressure regulator for distributed variable-frequency flow transmission and distribution regulation is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to distributed frequency conversion heat supply system technical field especially relates to a kind of pressure regulation's device for distributed frequency conversion flow transmission and distribution control. BACKGROUND

[0002] Distributed frequency conversion flow transmission and distribution system is a kind of heat supply system, mainly through frequency conversion pump and climate compensator to realize the adjustment and optimization of heat supply system.The system is composed of heat source pump and the primary pump and secondary circulating water pump distributed in each heat station, and the heat source pump is responsible for the water circulation inside the boiler room, and the heat source is provided with pressure equalizing pipe and climate compensator, the flow of primary network is controlled by adjusting the speed of primary pump, so as to realize the adjustment of secondary network water supply temperature.

[0003] For example, a kind of distributed frequency conversion heat supply system operation regulating device with authorized announcement No.CN218511003U, the same in and out flow of sealing plate one and sealing plate two is controlled by synchronous control structure, so that the internal pressure of pipeline gradually balances, avoids the abnormal sound of pipeline caused by flow rate difference, and temperature regulation is realized.

[0004] However, the distributed frequency conversion heat supply system operation regulating device in the above still has some problems when using, for example, the distributed frequency conversion heat supply system operation regulating device in the above, since the structure of synchronous opening control is used to control the flow of heat supply system water, however, there is some gas in the heat supply pipeline in actual use, after the external pipeline is transported, the original air in the heat supply pipeline is squeezed and left at the top of the water inlet pipe and cannot be discharged or dissolved in water, which leads to the existence of a certain amount of air cavity in the heat supply pipeline, not only affects the normal heat dissipation, but also occupies the filling area of hot water, affects the normal heat supply effect of the distributed frequency conversion heat supply system operation regulating device.

[0005] At the same time, the existing distributed frequency conversion heat supply system operation regulating device, after external hot water is supplied to the inside of water inlet pipe, it is divided into multiple water flows and flows downward according to the number of serpentine pipes, so that hot water cannot fill the entire pipeline inside at the first time, and cavity is generated in the pipeline, and noise is generated when water flow changes the cavity by extrusion in the pipeline, so it is difficult to completely eliminate the noise generated when the heat supply system supplies water by relying on synchronous adjustment alone, which affects the noise reduction function of the distributed frequency conversion heat supply system operation regulating device. SUMMARY

[0006] The utility model solves the above-mentioned problems of prior art, provides a kind of pressure regulation's device for distributed frequency conversion flow transmission and distribution control, to improve the effect and effect of heat dissipation efficiency and reduce noise.

[0007] The technical scheme adopted by the utility model to solve its technical problems:

[0008] The utility model discloses a kind of pressure regulating devices for distributed variable frequency flow distribution and regulation, including upper pipe, lower pipe and sewage valve, one end of the upper pipe is fixedly connected with sewage valve, one end of the lower pipe is also fixedly connected with sewage valve, the other side of the upper pipe is fixedly connected with inlet pipe, the other end of the lower pipe is fixedly connected with outlet pipe, the upper side of the upper pipe is equipped with pipeline internal pressure regulating structure, the inside of the upper pipe is equipped with water flow interception fill up conveying structure, the lower side of the upper pipe is equipped with serpentine pipe structure.

[0009] Further improvement, the pipeline internal pressure regulating structure includes connecting column and exhaust pipe, multiple connecting columns are fixedly connected at the top end of the upper pipe, multiple connecting columns are fixedly connected with sealing sleeve on the inner side, multiple connecting columns are fixedly installed with exhaust pipe on the top end, one end of the exhaust pipe is fixedly installed with exhaust pump, the top end of the exhaust pipe is fixedly installed with multiple sealing seats, multiple sealing seats are rotatably installed with runner on the top end, multiple runners are fixedly connected with threaded rod on the lower end, the lower end of the threaded rod is connected with the inner side of sealing sleeve by screw thread.

[0010] Further improvement, the bottom end of multiple sealing sleeves is connected with the inner side of the upper pipe, and the top end of the sealing sleeve is connected with the inner side of the exhaust pipe.

[0011] Further improvement, the water flow interception fill up conveying structure includes closed seat and pull handle, two closed seats are fixedly installed on the inner side of the upper pipe, two pull handles are screw-connected on the top end outer wall of the upper pipe, two pull handles are fixedly connected with rotating rod below, and two rotating rods are fixedly connected with plate valve on the lower end.

[0012] Further improvement, the serpentine pipe structure includes serpentine pipe and rotating pin, multiple serpentine pipes are fixedly connected at the lower end of the upper pipe, multiple serpentine pipes are fixedly connected with first one-way valve on the other end, multiple first one-way valves are fixedly connected at the top end of the lower pipe, multiple rotating pins are rotatably connected with multiple rotating blades on the inner wall of multiple serpentine pipes, and multiple rotating pins are fixedly connected with rotating blades on the outer wall.

[0013] Further improvement, the lower end of the upper pipe is fixedly connected with backwater pipe on one side, the other end of the backwater pipe is fixedly connected on one side at the top end of the lower pipe, and the second one-way valve is fixedly connected in the middle of the backwater pipe.

[0014] The utility model has the advantages that: the utility model, before outside hot water is transported to the upper through pipe, the operator can manually twist and rotate the rotating wheel, the rotating wheel will drive the lower threaded rod to rotate upwards, the threaded rod is rotated out little by little in the inside of the sealing sleeve, the inside of the sealing sleeve is opened in communication with the exhaust pipe, then the power supply is connected to start the exhaust pump, the exhaust pump can extract the residual air in the upper through pipe as much as possible, so that the air cavity size generated in the upper through pipe is reduced, the heat dissipation is weakened, and the heat dissipation efficiency of the pressure regulation for the distributed variable frequency flow distribution control is improved.

[0015] When the hot water steel enters the inside of the upper through pipe from the water inlet pipe, the first plate valve is rotated by ninety degrees to be closed, then the first plate valve intercepts the entering water flow, until the water flow fills the whole pipe and flows into the lower serpentine pipe, then the first plate valve is opened, the water flow enters the back side of the first plate valve, so that the second plate valve is also closed, the above operation process is repeated, so that the hot water flow speed can be greatly slowed down, the impact of the water flow on the cavity in the pipe is reduced, the noise is reduced, and the use effect of the pressure regulation device for the distributed variable frequency flow distribution control is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic view of the utility model;

[0017] Figure 2 It is Figure 1 a front sectional view schematic diagram;

[0018] Figure 3 It is Figure 2 a right side view schematic diagram;

[0019] Figure 4 It is Figure 2 an enlarged sectional view of A part in the figure;

[0020] Figure 5 It is Figure 2 an enlarged sectional view of B part in the figure;

[0021] Figure 6 It is Figure 2 an enlarged sectional view of C part in the figure.

[0022] Explanation of reference signs: In the figure: 1, upper through pipe, 2, lower through pipe, 3, water inlet pipe, 4, water outlet pipe, 5, sewage valve, 6, pipe internal pressure adjusting structure, 61, connecting column, 62, sealing sleeve, 63, threaded rod, 64, sealing seat, 65, runner, 66, exhaust pipe, 67, exhaust pump, 71, backwater pipe, 72, second one-way valve, 8, water flow interception filling conveying structure, 81, closed seat, 82, plate valve, 83, rotating rod, 84, pulling handle, 9, coiled pipe structure, 91, coiled pipe, 92, rotating pin, 93, rotating blade, 94, first one-way valve. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings: Example 1:

[0024] Refer to the drawings Figures 1-6 : in this embodiment, a kind of pressure regulating device for distributed variable frequency flow distribution control, including upper through pipe 1, lower through pipe 2 and sewage valve 5, one end of upper through pipe 1 is fixedly connected with sewage valve 5, sewage valve 5 can be rotated to open in one side, then open the one end of upper through pipe 1 and lower through pipe 2, it is convenient to clean pipe internal incrustation and impurity, one end of lower through pipe 2 is also fixedly connected with sewage valve 5, the other side of upper through pipe 1 is fixedly connected with water inlet pipe 3, water inlet pipe 3 can be connected with the pipe of upper through pipe 1 and heating hot water conveying, the other end of lower through pipe 2 is fixedly connected with water outlet pipe 4, water outlet pipe 4 can be connected with the one side of lower through pipe 2 and heating pipe drain pipe, the top of upper through pipe 1 is equipped with pipe internal pressure adjusting structure 6, the inside of upper through pipe 1 is equipped with water flow interception filling conveying structure 8, the lower of upper through pipe 1 is equipped with coiled pipe structure 9.

[0025] Pipe internal pressure adjusting structure 6 includes connecting column 61 and exhaust pipe 66, a plurality of connecting columns 61 are fixedly connected at the top of upper through pipe 1, a plurality of connecting columns 61 are fixedly connected with sealing sleeve 62 on the inner side, sealing sleeve 62 can be made of stainless steel metal pipe with a layer of rubber layer on the inner side, a plurality of connecting columns 61 are fixedly installed with exhaust pipe 66 at the top, a plurality of connecting columns 61 support exhaust pipe 6 transversely at the top of upper through pipe 1, one end of exhaust pipe 66 is fixedly installed with exhaust pump 67, a plurality of sealing seats 64 are fixedly installed at the top of exhaust pipe 66, sealing ring made of silica gel material is arranged at the lower end of sealing seat 64, can fill the gap between threaded rod 63 outer wall and exhaust pipe 66 contact position to reduce leakage.

[0026] The top end of the plurality of sealing seats 64 is rotatably installed with a rotating wheel 65, the lower end of the plurality of rotating wheels 65 is fixedly connected with a threaded rod 63, the lower end of the threaded rod 63 is connected with the inner side of the sealing sleeve 62 in a threaded manner, the bottom end of the plurality of sealing sleeves 62 is connected with the inner side of the upper through pipe 1 in a communicating manner, the sealing sleeve 62 is connected between the exhaust pipe 66 and the upper through pipe 1, before external hot water is transported to the upper through pipe 1, an operator can manually rotate the rotating wheel 65, the rotating wheel 65 drives the lower threaded rod 63 to rotate upwards, the threaded rod 63 is slowly rotated out from the inner side of the sealing sleeve 62, the inner side of the sealing sleeve 62 is opened in communication with the exhaust pipe 66, then a power supply is connected to start the exhaust pump 67, the exhaust pump 67 can exhaust as much air as possible from the inside of the upper through pipe 1, so that the hot water is input at the same time as the gas is exhausted, the size of the cavity generated by the air in the upper through pipe 1 can be reduced, the heat dissipation is affected and weakened, and the top end of the sealing sleeve 62 is connected with the inner side of the exhaust pipe 66 in a communicating manner;

[0027] The sealing ring made of silica gel material is arranged at the lower end of the sealing seat 64, which can fill the gap at the position where the outer wall of the threaded rod 63 contacts the exhaust pipe 66 to reduce leakage, the sealing sleeve 62 is connected between the exhaust pipe 66 and the upper through pipe 1, before external hot water is transported to the upper through pipe 1, an operator can manually rotate the rotating wheel 65, the rotating wheel 65 drives the lower threaded rod 63 to rotate upwards, the threaded rod 63 is slowly rotated out from the inner side of the sealing sleeve 62, the inner side of the sealing sleeve 62 is opened in communication with the exhaust pipe 66, then a power supply is connected to start the exhaust pump 67, the exhaust pump 67 can exhaust as much air as possible from the inside of the upper through pipe 1, so that the hot water is input at the same time as the gas is exhausted, the size of the cavity generated by the air in the upper through pipe 1 can be reduced, the heat dissipation is affected and weakened, and the top end of the sealing sleeve 62 is connected with the inner side of the exhaust pipe 66 in a communicating manner;

[0028] The water flow interception filling transportation structure 8 comprises a sealing seat 81 and a pulling handle 84, two sealing seats 81 are fixedly installed on the inner side of the upper through pipe 1, the sealing seat 81 is made of rubber material, a cavity corresponding to the circular plate valve 82 is formed in the sealing seat 81, and two pulling handles 84 are threadedly connected to the top end outer wall of the upper through pipe 1, the pulling handle 84 can be manually rotated by ninety degrees, so that the pulling handle 84 drives the lower rotating rod 83 to rotate in the same direction, and the rotating rotating rod 83 drives the plate valve 82 to rotate by ninety degrees.

[0029] When the hot water steel enters the inside of the upper through pipe 1 from the water inlet pipe 3, the first plate valve 82 will be rotated by ninety degrees to close, and then the first plate valve 82 will intercept the entering water flow, until the water flow fills the entire pipe to flow into the downward serpentine pipe 91, and then the first plate valve 82 is opened, the water flow will enter the rear side of the first plate valve 82, so that the second plate valve 82 is also closed, and the above operation process is repeated, which can greatly slow down the hot water flow speed, and can reduce the impact of the cavity inside the pipe and the water flow to reduce noise, the lower end of the two rotating rods 83 is fixedly connected with the plate valve 82;

[0030] The closing seat 81 is made of rubber material, a cavity corresponding to the circular plate valve 82 is opened in the inside of the closing seat 81, the wrench handle 84 can be manually rotated by ninety degrees, so that the wrench handle 84 can drive the lower rotating rod 83 to rotate in the same direction, the rotating rotating rod 83 can drive the plate valve 82 to rotate by ninety degrees, when the hot water steel enters the inside of the upper through pipe 1 from the water inlet pipe 3, the first plate valve 82 will be rotated by ninety degrees to close, and then the first plate valve 82 will intercept the entering water flow, until the water flow fills the entire pipe to flow into the downward serpentine pipe 91, and then the first plate valve 82 is opened, the water flow will enter the rear side of the first plate valve 82, so that the second plate valve 82 is also closed, and the above operation process is repeated, which can greatly slow down the hot water flow speed, and can reduce the impact of the cavity inside the pipe and the water flow to reduce noise, improve the use effect of the distributed variable frequency flow distribution control pressure regulating device.

[0031] Working principle:

[0032] When using the distributed variable frequency flow distribution control pressure regulating device, the distributed variable frequency flow distribution system is a kind of heating system, which mainly realizes the adjustment and optimization of the heating system through the variable frequency pump and the climate compensator. The system is composed of a heat source pump and a primary pump and a secondary circulating water pump distributed in each heat station, the heat source pump is responsible for the water circulation in the boiler room, and the heat source is provided with a pressure equalizing pipe and a climate compensator, the primary network flow is controlled by adjusting the speed of the primary pump, so as to realize the adjustment of the secondary network water supply temperature, the advantage of the distributed variable frequency flow distribution system lies in its remarkable energy saving effect, especially in the initial and final cold period with low heating load, the frequency of the circulating water pump is adjusted by using the variable frequency speed regulation device, which can greatly reduce the energy consumption;

[0033] The exhaust regulating air pressure structure of the distributed variable frequency flow distribution control pressure regulating device:

[0034] The sealing ring made of silica gel material at the lower end of the sealing seat 64 can fill the gap between the outer wall of the threaded rod 63 and the exhaust pipe 66 to reduce leakage. The sealing sleeve 62 is connected between the exhaust pipe 66 and the upper through pipe 1. Before the external hot water is delivered to the upper through pipe 1, the operator can manually rotate the rotating wheel 65, which will drive the lower threaded rod 63 to rotate upward. The threaded rod 63 is slowly rotated out of the inside of the sealing sleeve 62. The inside of the sealing sleeve 62 is in communication with the exhaust pipe 66 to open. Then, the power supply is connected to start the exhaust pump 67, which can exhaust as much air as possible from the inside of the upper through pipe 1. This can reduce the size of the air cavity generated inside the upper through pipe 1 while the gas is exhausted and the hot water is input.

[0035] Water flow slowing structure of the pressure regulating device for distributed variable frequency flow transmission and distribution control:

[0036] The closing seat 81 is made of rubber material. A cavity corresponding to the circular plate valve 82 is excavated in the inside of the closing seat 81. The handle 84 can be manually rotated by ninety degrees, so that the handle 84 can drive the lower rotating rod 83 to rotate in the same direction. The rotating rotating rod 83 can drive the plate valve 82 to rotate by ninety degrees. When the hot water steel enters the inside of the upper through pipe 1 from the water inlet pipe 3, the first plate valve 82 will be rotated by ninety degrees to close. Then, the first plate valve 82 will intercept the entering water flow, until the water flow fills the entire pipe and flows into the lower serpentine pipe 91. Then, the first plate valve 82 is opened, and the water flow will enter the back side of the first plate valve 82. In this way, the second plate valve 82 will also be closed, and the above operation process will be repeated, which can greatly slow down the hot water flow speed. Embodiment 2:

[0037] Referring to the accompanying drawings Figures 1-6 In this embodiment, the pressure regulating device for distributed variable frequency flow transmission and distribution control further comprises 5, a serpentine pipe structure 9 including a serpentine pipe 91 and a rotating pin 92. A plurality of serpentine pipes 91 are fixedly connected to the lower end of the upper through pipe 1. The serpentine pipes 91 are arranged side by side and have a plurality of roots. The serpentine pipes 91 can guide the hot water entering the inside of the upper through pipe 1 to the inside of the lower through pipe 2. The other end of the plurality of serpentine pipes 91 is fixedly connected with a first one-way valve 94. The first one-way valve 94 can control the water entering the lower through pipe 2 from not flowing back to the upper through pipe 1. The plurality of first one-way valves 94 are fixedly connected to the top end of the lower through pipe 2. The inner wall of the plurality of serpentine pipes 91 is rotatably connected with a plurality of rotating pins 92.

[0038] When the water flow passes through the inside of the serpentine pipe 91, it will contact the rotating blades 93 outside the plurality of rotating pins 92, the rotating blades 93 can be rotated by being washed by the water flow, and then the rotating blades 93 can slow down the flow rate of the water flow, which can reduce the noise generated by the water flow to a certain extent, the outer wall of the plurality of rotating pins 92 is fixedly connected with the rotating blades 93, one side of the lower end of the upper through pipe 1 is fixedly connected with the backwater pipe 71, the backwater pipe 71 communicates the end of the lower through pipe 2 with the upper through pipe 1, when the inside of the lower through pipe 2 is filled with water flow, the continuously transported water flow will enter the inside of the backwater pipe 71 and flow back to the inside of the upper through pipe 1 upward, realizing circulating flow, the other end of the backwater pipe 71 is fixedly connected to one side of the top end of the lower through pipe 2, the middle of the backwater pipe 71 is fixedly connected with the second one-way valve 72, the second one-way valve 72 can control the backwater pipe 71 to only supply water upward and cannot transport water downward.

[0039] Working principle:

[0040] The serpentine pipe 91 is provided with a plurality of serpentine pipes in parallel, the serpentine pipe 91 can guide the hot water entering the inside of the upper through pipe 1 to the inside of the lower through pipe 2 below, the first one-way valve 94 can control the water entering the lower through pipe 2 from not flowing back to the upper through pipe 1, when the water flow passes through the inside of the serpentine pipe 91, it will contact the rotating blades 93 outside the plurality of rotating pins 92, the rotating blades 93 can be rotated by being washed by the water flow, and then the rotating blades 93 can slow down the flow rate of the water flow, which can reduce the noise generated by the water flow to a certain extent;

[0041] When the inside of the lower through pipe 2 is filled with water flow, the continuously transported water flow will enter the inside of the backwater pipe 71 and flow back to the inside of the upper through pipe 1 upward, realizing circulating flow, the other end of the backwater pipe 71 is fixedly connected to one side of the top end of the lower through pipe 2, the middle of the backwater pipe 71 is fixedly connected with the second one-way valve 72, the second one-way valve 72 can control the backwater pipe 71 to only supply water upward and cannot transport water downward.

[0042] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. A pressure regulating device for distributed variable frequency flow distribution control, comprising an upper pipe (1), a lower pipe (2), and a cleaning valve (5), wherein one end of the upper pipe (1) is fixedly connected to the cleaning valve (5), and one end of the lower pipe (2) is also fixedly connected to the cleaning valve (5), characterized in that: The other side of the upper pipe (1) is fixedly connected to the water inlet pipe (3), and the other end of the lower pipe (2) is fixedly connected to the water outlet pipe (4). The upper pipe (1) is provided with an internal pressure regulating structure (6), the upper pipe (1) is provided with a water flow interception and filling conveying structure (8), and the upper pipe (1) is provided with a serpentine pipe structure (9) below.

2. The pressure regulating device for distributed variable frequency flow transmission and distribution control according to claim 1, characterized in that: The internal pressure regulating structure (6) of the pipeline includes connecting columns (61) and exhaust pipes (66). Multiple connecting columns (61) are fixedly connected to the top end of the upper pipe (1). A sealing sleeve (62) is fixedly connected to the inner side of the multiple connecting columns (61). An exhaust pipe (66) is fixedly installed at the top end of the multiple connecting columns (61). An exhaust pump (67) is fixedly installed at one end of the exhaust pipe (66). Multiple sealing seats (64) are fixedly installed at the top end of the multiple sealing seats (64). A rotating wheel (65) is rotatably installed at the top end of the multiple sealing seats (64). A threaded rod (63) is fixedly connected to the lower end of the multiple rotating wheels (65). The lower end of the threaded rod (63) is threadedly connected to the inner side of the sealing sleeve (62).

3. The pressure regulating device for distributed variable frequency flow transmission and distribution control according to claim 2, characterized in that: The bottom ends of the plurality of sealing sleeves (62) are connected to the inner side of the upper through pipe (1), and the top ends of the sealing sleeves (62) are connected to the inner side of the exhaust pipe (66).

4. The pressure regulating device for distributed variable frequency flow transmission and distribution control according to claim 1, characterized in that: The water flow interception and filling conveying structure (8) includes a closed seat (81) and a lever (84). The two closed seats (81) are fixedly installed on the inner side of the upper pipe (1). The two levers (84) are threaded to the outer wall of the top end of the upper pipe (1). A rotating rod (83) is fixedly connected to the lower part of the two levers (84). A plate valve (82) is fixedly connected to the lower end of the two rotating rods (83).

5. The pressure regulating device for distributed variable frequency flow transmission and distribution control according to claim 1, characterized in that: The serpentine tube structure (9) includes a serpentine tube (91) and a pivot pin (92). Multiple serpentine tubes (91) are fixedly connected to the lower end of the upper pipe (1). The other end of multiple serpentine tubes (91) is fixedly connected to a first one-way valve (94). Multiple first one-way valves (94) are fixedly connected to the top end of the lower pipe (2). Multiple pivot pins (92) are rotatably connected to the inner wall of multiple serpentine tubes (91). Rotating blades (93) are fixedly connected to the outer wall of multiple pivot pins (92).

6. The pressure regulating device for distributed variable frequency flow transmission and distribution control according to claim 1, characterized in that: A return water pipe (71) is fixedly connected to one side of the lower end of the upper pipe (1), and the other end of the return water pipe (71) is fixedly connected to one side of the top end of the lower pipe (2). A second one-way valve (72) is fixedly connected to the middle of the return water pipe (71).

Images