阅读说明：本技术 一种流量可调的防介质结晶泵阀 (Flow-adjustable anti-medium crystallization pump valve ) 是由 柴立平 于 2019-09-23 设计创作，主要内容包括：本发明公开了一种流量可调的防介质结晶泵阀,包括泵阀本体,所述泵阀本体的顶部开设有螺纹孔,所述螺纹孔的内部螺纹连接有温度传感器,所述温度传感器上电性连接有A\D转换器,所述A\D转换器上电性连接有单片机,所述单片机上电性连接有电伴热圈。本发明通过在泵阀本体中安装温度传感器来监测泵阀本体中的温度,当温度过低时,由单片机控制电伴热圈进行发热,来提高泵阀本体的温度,防止介质结晶形成固体颗粒堆积在机械密封端面、阀门阀芯密封处,影响机械密封和阀门的使用寿命,采用电伴热圈具有体积小,占据空间小的优点,其在单片机的控制下,温度较低时开始工作。(The invention discloses a flow-adjustable anti-medium crystallization pump valve which comprises a pump valve body, wherein the top of the pump valve body is provided with a threaded hole, the inner thread of the threaded hole is connected with a temperature sensor, the temperature sensor is electrically connected with an A \ D converter, the A \ D converter is electrically connected with a single chip microcomputer, and the single chip microcomputer is electrically connected with an electric heat tracing ring. The temperature sensor is arranged in the pump valve body to monitor the temperature in the pump valve body, when the temperature is too low, the single chip microcomputer controls the electric tracing ring to heat, so that the temperature of the pump valve body is improved, solid particles formed by medium crystallization are prevented from being accumulated on the mechanical sealing end face and the valve core sealing part, the service life of the mechanical sealing and the valve is influenced, the electric tracing ring has the advantages of small volume and small occupied space, and the electric tracing ring starts to work when the temperature is lower under the control of the single chip microcomputer.)

1. The utility model provides a flow adjustable prevents medium crystallization pump valve, includes the pump valve body, its characterized in that: an inner cavity is arranged in the pump valve body, the upper end of the pump valve body is connected with a sleeve through a second flange, an upper fixing seat is arranged at the top of the sleeve, a first through hole is formed in the middle of the upper end of the upper fixing seat, a supporting rod is arranged in the first through hole and extends into the inner cavity, a stand column is arranged at the middle end of the bottom of the inner cavity, a hollow ball body is fixedly sleeved on the stand column, water through holes are uniformly distributed in the surfaces of the left side and the right side of the hollow ball body, the water through holes are symmetrical about the center of the stand column, the bottom of the supporting rod is connected with a connecting cylinder, the bottom of the connecting cylinder is connected with a baffle plate, the upper end and the lower end of the baffle plate are rotatably connected to the stand column, a threaded hole is formed in the top of the pump valve body, a temperature sensor is, the electric tracing ring is electrically connected to the single chip microcomputer, the electric tracing ring is wound outside the pump valve body, a shell is sleeved outside the electric tracing ring, and a heat insulation layer is arranged on the outer side of the shell.

2. The flow-adjustable media-crystallization-preventing pump valve as claimed in claim 1, wherein: the single chip microcomputer is installed in the protection box, and the protection box is fixedly connected to the top of the pump valve body.

3. The flow-adjustable media-crystallization-preventing pump valve as claimed in claim 2, wherein: one side of the protection box is provided with a vent hole, and breathing paper is arranged inside the vent hole.

4. The flow-adjustable media-crystallization-preventing pump valve as claimed in claim 1, wherein: and a sealing ring is arranged at the joint of the temperature sensor and the threaded hole.

5. A flow adjustable media crystallization prevention pump valve as claimed in claim 3 wherein: the top of breather pipe has cup jointed the plastics lag, the air vent has been seted up to one side of plastics lag.

6. The flow-adjustable media-crystallization-preventing pump valve as claimed in claim 1, wherein: and a protective net is arranged outside the temperature sensor.

7. The flow-adjustable media-crystallization-preventing pump valve as claimed in claim 1, wherein: the bottom of pump valve body intercommunication has the drain pipe, install first valve on the drain pipe.

8. The flow-adjustable media-crystallization-preventing pump valve as claimed in claim 1, wherein: the pump valve body includes the pump body and valve body, through first flange joint between the pump body and the valve body, the top of first flange is equipped with the breather pipe, install the second valve on the breather pipe.

Technical Field

The invention relates to the technical field of pump valves, in particular to a flow-adjustable anti-medium crystallization pump valve.

Background

Pump valves are a generic term for pumps and valves. Valves not used for pumps or valves with a pumping action. The reason pumps and valves are often associated is the use case. That is, there are valves in places where pumps are provided, and there are places where pumps are needed. They are used in liquid delivery applications. Of course, the valve is also used for gas. Vacuum pumps are also associated with the gas. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. Traditional water pipe valve generally includes the valve body, has set firmly inlet tube and the outlet pipe with the intercommunication of valve body inner chamber on the valve body, is equipped with the water supply valve seat with inlet tube and outlet pipe intercommunication in the valve body inner chamber, and sliding seal cooperates the water supply valve plug on the water supply valve seat inner wall. When the valve is used, the valve is opened and closed by adjusting whether the water supply valve plug and the water supply valve seat are sealed or not. The traditional valve is simple in structure and convenient to operate.

The defects that after the valve is closed, water temporarily stored in the pump valve cannot be discharged, so that the frost crack water pipe fault is easily caused in winter, and inconvenience is brought to people. Therefore, the flow-adjustable anti-media crystallization pump valve is provided.

Disclosure of Invention

The invention aims to provide a flow-adjustable anti-media crystallization pump valve to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a flow adjustable prevents medium crystallization pump valve, includes the pump valve body, its characterized in that: an inner cavity is arranged in the pump valve body, the upper end of the pump valve body is connected with a sleeve through a second flange, an upper fixing seat is arranged at the top of the sleeve, a first through hole is formed in the middle of the upper end of the upper fixing seat, a supporting rod is arranged in the first through hole and extends into the inner cavity, a stand column is arranged at the middle end of the bottom of the inner cavity, a hollow ball body is fixedly sleeved on the stand column, water through holes are uniformly distributed in the surfaces of the left side and the right side of the hollow ball body, the water through holes are symmetrical about the center of the stand column, the bottom of the supporting rod is connected with a connecting cylinder, the bottom of the connecting cylinder is connected with a baffle plate, the upper end and the lower end of the baffle plate are rotatably connected to the stand column, a threaded hole is formed in the top of the pump valve body, a temperature sensor is, the electric tracing ring is electrically connected to the single chip microcomputer, the electric tracing ring is wound outside the pump valve body, a shell is sleeved outside the electric tracing ring, and a heat insulation layer is arranged on the outer side of the shell.

Preferably, the single chip microcomputer is installed in a protection box, and the protection box is fixedly connected to the top of the pump valve body.

Preferably, one side of the protection box is provided with a vent hole, and the inside of the vent hole is provided with breathing paper.

Preferably, a sealing ring is arranged at the joint of the temperature sensor and the threaded hole.

Preferably, the top of the vent pipe is sleeved with a plastic protective sleeve, and one side of the plastic protective sleeve is provided with an air vent.

Preferably, a protective net is arranged outside the temperature sensor.

Preferably, the bottom of the pump valve body is communicated with a drain pipe, and a first valve is installed on the drain pipe.

Preferably, the pump valve body includes the pump body and valve body, through first flange joint between the pump body and the valve body, the top of first flange is equipped with the breather pipe, install the second valve on the breather pipe.

Compared with the prior art, the invention has the beneficial effects that:

the temperature sensor is arranged in the pump valve body to monitor the temperature in the pump valve body, when the temperature is too low, the single chip microcomputer controls the electric tracing ring to heat, so that the temperature of the pump valve body is improved, solid particles formed by medium crystallization are prevented from being accumulated on the mechanical sealing end face and the valve core sealing part, the service life of the mechanical seal and the valve is influenced, the electric tracing ring has the advantages of small volume and small occupied space, and the electric tracing ring starts to work when the temperature is lower under the control of the single chip microcomputer; according to the invention, the drain pipe is communicated with the bottom of the pump valve body, so that liquid in the pump valve body can be conveniently discharged when the air temperature is too low, the pump valve body is protected and cannot be frozen and cracked; the invention has simple structure and convenient flow regulation, the support rod is rotated by the handle to drive the baffle to rotate, so that the area of the water through hole covered by the baffle is gradually changed, the flow is increased when the area of the water through hole covered by the baffle is reduced, and the flow is reduced when the area of the water through hole covered by the baffle is increased, thereby regulating the flow of water, leading the flow regulation to be more convenient and simultaneously reducing the error of flow control.

Drawings

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

FIG. 2 is an enlarged view of the area A in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the protective case of the present invention;

FIG. 4 is a schematic cross-sectional view of a valve body of the pump of the present invention;

FIG. 5 is a control schematic system block diagram of the present invention;

FIG. 6 is a circuit diagram of the temperature sensor of the present invention;

fig. 7 is a circuit diagram of the single chip microcomputer of the invention.

In the figure: 1. a pump valve body; 2. a threaded hole; 3. a temperature sensor; 4. a single chip microcomputer; 5. an A \ D converter; 6. an electric tracing heating ring; 7. a housing; 8. a drain pipe; 9. a first valve; 10. a protective case; 11. A protective net; 12. a heat-insulating layer; 13. a vent hole; 14. a breathing paper; 15. a seal ring; 16. a pump body; 17. a valve body; 18. a first flange; 19. a breather pipe; 20. a second valve; 21 a plastic protective sleeve; 22. A vent hole; 23. an inner cavity; 24. a second flange; 25. a sleeve; 26. an upper fixed seat; 27. a first through hole; 28. a support bar; 29. a column; 30. a hollow sphere; 31. a water through hole; 32. a connecting cylinder; 33. And a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a flow-adjustable anti-medium crystallization pump valve comprises a pump valve body 1, wherein an inner cavity 23 is arranged inside the pump valve body 1, the upper end of the pump valve body 1 is connected with a sleeve 25 through a second flange 24, the top of the sleeve 25 is provided with an upper fixing seat 26, the middle part of the upper end of the upper fixing seat 26 is provided with a first through hole 27, a support rod 28 is arranged in the first through hole 27, the support rod 28 extends into the inner cavity 23, the middle end of the bottom of the inner cavity 23 is provided with a stand column 29, the stand column 29 is fixedly sleeved with a hollow sphere 30, the surfaces of the left side and the right side of the hollow sphere 30 are uniformly provided with water through holes 31, the water through holes 31 of the left side and the right side are symmetrical about the center of the stand column 29, so that water flow is smoother, the bottom of the support rod 28 is connected with a connecting cylinder, the area of the water through hole 31 shielded by the baffle 33 is changed by rotating the baffle 33, so that the flow is adjusted;

the pump valve comprises a pump valve body 1, and is characterized in that the top of the pump valve body 1 is provided with a threaded hole 2, the inner part of the threaded hole 2 is in threaded connection with a temperature sensor 3, the temperature sensor 3 is electrically connected with an A/D converter 5, the A/D converter 5 is electrically connected with a single chip microcomputer 4, the single chip microcomputer 4 is electrically connected with an electric heat tracing ring 6, the electric heat tracing ring 6 is wound outside the pump valve body 1, a shell 7 is sleeved outside the electric heat tracing ring 6, the outer side of the shell 7 is provided with a heat insulation layer 12, the heat insulation layer 12 is made of rock wool and has excellent heat insulation effect, the bottom of the pump valve body 1 is communicated with a drain pipe 8, a first valve 9 is installed on the drain pipe 8, the pump valve body 1 comprises a pump body 16 and a valve body 17, the pump body 16 is connected with the valve body 17 through a first flange 18, the top of the first, a second valve 20 is mounted on the vent pipe 19. The single chip microcomputer 4 is installed in the protection box 10, and the protection box 10 is fixedly connected to the top of the pump valve body 1. The protection box 10 is used for placing the single chip microcomputer 4 and protecting the single chip microcomputer 4 from being damaged, a vent hole 13 is formed in one side of the protection box 10, and breathing paper 14 is installed inside the vent hole 13. The vent hole 13 is convenient for the heat dissipation of the singlechip 4, the breathing paper 14 can prevent dust and water from entering the protection box 10, and a sealing ring 15 is arranged at the joint of the temperature sensor 3 and the threaded hole 2. The sealing ring 15 is beneficial to improving the sealing performance between the temperature sensor 3 and the threaded hole 2, the plastic protecting sleeve 21 is sleeved on the top of the vent pipe 19, and the vent hole 22 is formed in one side of the plastic protecting sleeve 21. The plastic protective sleeve 21 can prevent dust and solid matters from falling into the vent pipe 19, and the protective net 11 is arranged outside the temperature sensor 3. The protection net 11 can prevent solids in the flowing medium from damaging the temperature sensor 3.

Referring to fig. 5-7, the model of the single chip is AT89C51, the signal connection of the liquid level sensor is performed by a/D conversion, the AT89C51 single chip is programmed with a BP neural network algorithm, the data fusion technology is a new technology developed in recent years, the neural network is used in various fields as a data fusion method, the neural network has induction, summarization, extraction, memory, association and fault tolerance, the purpose of processing information is achieved by adjusting the interconnection relationship among a large number of internal nodes depending on the complexity of the system, in the application process, related knowledge and information are obtained by training, the measured data is compared with the information for data fusion and edge calculation, a 15-bit a/D conversion module is integrated in the chip, the voltage AT two ends of PT100 is directly converted into a digital signal by a/D, and the data is transmitted to the AT89C51 singlechip through the SPI communication protocol.

A temperature sensor: the Pt100 temperature sensor is a positive temperature coefficient thermistor sensor, and the measurement range is as follows: the temperature of the Pt100 temperature sensor is minus 200 ℃ to plus 850 ℃, and in addition, the Pt100 temperature sensor also has the advantages of vibration resistance, good stability, high accuracy, high pressure resistance and the like. The platinum thermal resistor is good in linearity, and the maximum nonlinear deviation is less than 0.5 ℃ when the temperature is changed between 0 ℃ and 100 ℃.

The working principle is as follows: the temperature sensor 3 is arranged in the pump valve body 1 to monitor the temperature in the pump valve body 1, and when the temperature is too low, the singlechip 4 controls the electric tracing ring 6 to generate heat so as to improve the temperature of the pump valve body 1, prevent the pump valve body 1 from frost cracking and prolong the service life of the pump valve body 1; the bottom of the pump valve body 1 is communicated with the drain pipe 8, so that liquid in the pump valve body 1 can be discharged when the air temperature is too low, the pump valve body 1 is protected, and the pump valve body 1 cannot be frozen and cracked.

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.