CN211875410U

CN211875410U - Anti-freezing water flow sensor for valve

Info

Publication number: CN211875410U
Application number: CN201922174529.6U
Authority: CN
Inventors: 蒋建英
Original assignee: Paige Underwater Technology Guangzhou Co ltd
Current assignee: Paige Underwater Technology Guangzhou Co ltd
Priority date: 2019-12-07
Filing date: 2019-12-07
Publication date: 2020-11-06
Anticipated expiration: 2029-12-07

Abstract

The utility model provides a type water flow sensor prevents frostbite for valve relates to flow sensor technical field, including flowing water pipe, a control section of thick bamboo and lid dish, the left side of flowing water pipe is provided with the connector, and the water inlet has been seted up on the right side of flowing water pipe, and the top of flowing water pipe is left side fixed mounting partially has hall element, the inside fixedly connected with magnetism rotor of flowing water pipe. The utility model discloses in, through installing heat pipe and heat preservation cotton, the heat pipe sets up in the inside of a control section of thick bamboo, and the heat pipe is reverse L form, when PLC controller control heating plate generates heat, the heat pipe is with the inside of the leading-in control section of thick bamboo of heating plate part heat, make the inside of a control section of thick bamboo keep warm, prevent to lead to the control section of thick bamboo to damage because of the temperature is low excessively, when the heat pipe is with the inside of the leading-in control section of thick bamboo of heating plate part heat, absorb part heat energy through the heat preservation cotton, make the inside heat preservation of a control section of thick bamboo, reduce the loss of the.

Description

Anti-freezing water flow sensor for valve

Technical Field

The utility model relates to a valve water flow sensor technical field especially relates to a type water flow sensor prevents frostbite for valve.

Background

The water flow sensor has the advantages that the flow control is accurate, the action flow can be set circularly, the functions of water flow display and flow accumulation calculation can be realized, the water flow sensor can be used as a water flow switch, and can also play the role of a flowmeter for flow accumulation calculation, but due to environmental factors, the water flow sensor is in contact with water for a long time, the flow control of the water flow sensor is easy to be inaccurate when the temperature is low, the existing water flow sensor is in a low-temperature environment, in order to facilitate the maintenance of the water flow sensor, the top cover is fixed on the surface of the water flow sensor through bolts, the surface sealing performance is low, air is easy to enter the water flow sensor, the air temperature in the water flow sensor is reduced, the detection result is influenced, the interior of the water flow sensor is in contact with a water source for a long time, and, the anti-freezing effect is low in persistence, so that the interior of the water flow sensor is easy to freeze, and the internal parts of the water flow sensor cannot run.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing an anti-freezing water flow sensor for a valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an antifreeze water flow sensor for a valve comprising: the water-saving device comprises a water flowing pipe, a control cylinder and a cover disc, wherein a connector is arranged on the left side of the water flowing pipe, a water inlet is formed in the right side of the water flowing pipe, a Hall element is fixedly mounted on the left side of the top end of the water flowing pipe, a magnetic rotor is fixedly connected inside the water flowing pipe, a waterproof pad is arranged on the left side of the magnetic rotor, the control cylinder is fixedly mounted on the top end of the water flowing pipe, the cover disc is arranged on the top end of the control cylinder, and a sealing ring is fixedly mounted at the bottom;

the inner wall fixedly connected with of a control section of thick bamboo keeps warm cottonly, the cotton inside of keeping warm is provided with the PLC controller, the bottom fixed mounting of PLC controller has the heat insulating board, the bottom fixed mounting of heat insulating board has the heating plate, the top of heating plate is right fixedly connected with heat pipe partially, the right side of heating plate is provided with temperature sensor, temperature sensor runs through the heat insulating board and is connected with the PLC controller.

Preferably, the diameter of the magnetic rotor is smaller than the inner diameter of the water flow pipe.

Preferably, the heat pipe is disposed inside the control cylinder, and the heat pipe has an inverted L shape.

Preferably, the surface area of the heat insulation cotton is equal to the area of the inner wall of the control cylinder.

Preferably, the length of the heat insulation board is the same as that of the PLC controller.

Preferably, the diameter of the sealing ring is the same as the diameter of the control cylinder.

Preferably, the heating plate and the temperature sensor are electrically connected with an external power supply through a PLC (programmable logic controller), and the Hall element is in signal connection with the PLC.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through installing sealing ring and heat insulating board, the diameter of sealing ring 301 is the same with the diameter of a control section of thick bamboo, the closing cap is when installing with a control section of thick bamboo, the closing cap rotates the inside of embedding a control section of thick bamboo, at this moment, the closing cap drives the top laminating of sealing ring and a control section of thick bamboo, make the top of a control section of thick bamboo sealed, the cold air gets into inside the closing cap through the junction of closing cap and a control section of thick bamboo when preventing winter, it has the error to lead to influencing the water source and detect, when PLC controller control heating plate generates heat, length through the heat insulating board is the same with the length of PLC controller, make PLC controller convenient installation on the heat insulating board, be convenient for separate high temperature, when preventing the heating plate heating, directly on leading-in the PLC controller with heat.

2. Secondly, through installing heat pipe and heat preservation cotton, the heat pipe sets up in the inside of a control section of thick bamboo, and the heat pipe is reverse L form, when PLC controller control heating plate generates heat, the heat pipe is with the inside of the leading-in control section of thick bamboo of heating plate part heat, make the inside of a control section of thick bamboo keep warm, prevent to lead to the control section of thick bamboo to damage because of the temperature hangs down, when the heat pipe is with the inside of the leading-in control section of thick bamboo of heating plate part heat, absorb part heat energy through the heat preservation cotton, make the inside heat preservation that keeps warm of a control section of thick bamboo, reduce the loss of.

Drawings

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

FIG. 2 is a schematic view of the overall internal structure of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

FIG. 4 is an enlarged schematic view of the position B of FIG. 2 of the present invention

In fig. 1 to 4, the correspondence between the part names or lines and the reference numbers is:

1. a water flow pipe; 101. a connecting port; 102. a water inlet; 103. a Hall element; 104. a waterproof pad; 105. a magnetic rotor; 2. a control cylinder; 201. heat preservation cotton; 202. a PLC controller; 203. a heat insulation plate; 2031. a heating plate; 2032. a heat conducting pipe; 204. a temperature sensor; 3. A cover plate; 301. and (4) a sealing ring.

Detailed Description

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

Please refer to fig. 1 to 4; the utility model provides a type water flow sensor prevents frostbite for valve, include: the water flow pipe 1, the control cylinder 2 and the cover disc 3, wherein a connector 101 is arranged on the left side of the water flow pipe 1, a water inlet 102 is formed in the right side of the water flow pipe 1, a Hall element 103 is fixedly mounted on the left side of the top end of the water flow pipe 1, a magnetic rotor 105 is fixedly connected inside the water flow pipe 1, a waterproof pad 104 is arranged on the left side of the magnetic rotor 105, the control cylinder 2 is fixedly mounted on the top end of the water flow pipe 1, the cover disc 3 is arranged on the top end of the control cylinder 2, and a sealing ring 301 is fixedly mounted at the bottom;

the inner wall fixedly connected with of control section of thick bamboo 2 keeps warm cotton 201, and the inside of keeping warm cotton 201 is provided with PLC controller 202, and the bottom fixed mounting of PLC controller 202 has heat insulating board 203, and the bottom fixed mounting of heat insulating board 203 has heating plate 2031, and the top of heating plate 2031 is right fixedly connected with heat pipe 2032 partially, and the right side of heating plate 2031 is provided with temperature sensor 204, and temperature sensor 204 runs through heat insulating board 203 and is connected with PLC controller 202.

Furthermore, the diameter of the magnetic rotor 105 is smaller than the inner diameter of the water flowing pipe 1, when a water source enters the water flowing pipe 1, the water source is prevented from flowing by the rotation of the magnetic rotor 105 through the waterproof pad 104, because the diameter of the magnetic rotor 105 is smaller than the inner diameter of the water flowing pipe 1, the magnetic rotor is convenient to push to rotate, when different magnetic poles of the magnetic rotor 105 are close to the Hall element 103, the Hall element 103 is switched on, and when the magnetic rotor is away from the Hall element 103, the Hall element 103 is switched off, therefore, the rotating speed of the rotor can be measured, and the flow rate of the water source can be conveniently measured according to the.

Further, the heat pipe 2032 is disposed inside the control cylinder 2, and the heat pipe 2032 is in a reverse L shape, when the PLC controller 202 controls the heating fins 2031 to generate heat, the heat pipe 2032 guides part of the heat of the heating fins 2031 into the control cylinder 2, so that the inside of the control cylinder 2 is kept warm, and the control cylinder 2 is prevented from being damaged due to too low temperature.

Further, the surface area of the heat insulation cotton 201 is equal to the area of the inner wall of the control cylinder 2, when the heat pipe 2032 guides part of heat of the heating plate 2031 into the control cylinder 2, part of the heat energy is absorbed through the heat insulation cotton 201, so that the heat insulation inside the control cylinder 2 is realized, the loss of the temperature inside the control cylinder 2 is reduced, and the heat insulation effect inside the control cylinder 2 is prolonged.

Further, the length of heat shield 203 is the same as the length of PLC controller 202, and when PLC controller 202 controlled heating plate 2031 generated heat, the length through heat shield 203 was the same as the length of PLC controller 202 for PLC controller 202 conveniently installed on heat shield 203, was convenient for separate the high temperature, when preventing heating plate 2031 heating, directly led into PLC controller 202 with heat energy on, led to leading-in PLC controller 202 high temperature and damage.

Further, the diameter of sealing ring 301 is the same with the diameter of a control section of thick bamboo 2, and when the bent 3 was installed with a control section of thick bamboo 2, the bent 3 rotated the inside of embedding a control section of thick bamboo 2, at this moment, the bent 3 drove the laminating of the top of a sealing ring 301 and a control section of thick bamboo 2 for the top of a control section of thick bamboo 2 is sealed, and cold air got into the bent 3 insidely through the bent 3 with the junction of a control section of thick bamboo 2 of bent 3 when preventing the winter, leads to influencing the water source and detects error.

Further, the heating plate 2031 and the temperature sensor 204 are electrically connected to an external power source through the PLC controller 202, and the hall element 103 is in signal connection with the PLC controller 202.

The working principle is as follows: when the water heater is used, the sensor is connected with a pipeline through the connecting port 101 in advance, when a water source enters through the water inlet 102, the temperature sensor 204 senses the temperature of the water source, when the temperature is too low, the temperature sensor 204 transmits a signal to the PLC 202, the PLC 202 controls the heating sheet 2031 to heat the interior of the water flowing pipe 1, the frozen water source is melted, the water source reaches a constant temperature state, then, when the heating sheet 2031 heats, the water source in the water flowing pipe 1 reaches a normal temperature state, at the moment, the heat pipe 2032 guides partial heat into the interior of the control cylinder 2, the interior of the control cylinder 2 reaches a constant temperature, the loss of the interior temperature of the control cylinder 2 is reduced through the heat insulation cotton 201, finally, the magnetic rotor is pushed to rotate after the water source is kept at the constant temperature, when different magnetic poles of the magnetic rotor 105 are close to the Hall element 103, the, the rotor rotating speed can be measured, and according to the actually measured water flow, the rotor rotating speed and the curve of the output signal, the starting water pressure of the water heater can be determined, and the starting water flow and the starting rotating speed of the rotor corresponding to the starting water pressure are determined.

The embodiments of the present application have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An antifreeze water flow sensor for a valve comprising: the water flow pipe type water heater is characterized in that a connector (101) is arranged on the left side of the water flow pipe (1), a water inlet (102) is formed in the right side of the water flow pipe (1), a Hall element (103) is fixedly mounted on the left side of the top end of the water flow pipe (1), a magnetic rotor (105) is fixedly connected inside the water flow pipe (1), a waterproof pad (104) is arranged on the left side of the magnetic rotor (105), a control cylinder (2) is fixedly mounted on the top end of the water flow pipe (1), a cover disc (3) is arranged on the top end of the control cylinder (2), and a sealing ring (301) is fixedly mounted at the bottom end of the cover disc (3);

the inner wall fixedly connected with of a control section of thick bamboo (2) keeps warm cotton (201), the inside of keeping warm cotton (201) is provided with PLC controller (202), the bottom fixed mounting of PLC controller (202) has heat insulating board (203), the bottom fixed mounting of heat insulating board (203) has heating plate (2031), fixedly connected with heat pipe (2032) are on the right side partially on the top of heating plate (2031), the right side of heating plate (2031) is provided with temperature sensor (204), temperature sensor (204) run through heat insulating board (203) and are connected with PLC controller (202).

2. Antifreeze water flow sensor for valves according to claim 1, characterized in that the diameter of the magnetic rotor (105) is smaller than the inner diameter of the water pipe (1).

3. The antifreeze water flow sensor for a valve according to claim 1, wherein said heat pipe (2032) is provided inside the control cartridge (2), and said heat pipe (2032) has an inverted L shape.

4. The antifreeze water flow rate sensor for a valve according to claim 1, wherein the surface area of the heat insulating cotton (201) is equal to the area of the inner wall of the control cylinder (2).

5. The antifreeze water flow sensor for a valve according to claim 1, wherein the length of said heat insulating plate (203) is the same as the length of said PLC controller (202).

6. Anti-freeze water flow sensor for valves according to claim 1, characterised in that the diameter of the sealing ring (301) is the same as the diameter of the control cartridge (2).

7. The antifreeze water flow sensor for a valve according to claim 1, wherein the heating plate (2031) and the temperature sensor (204) are electrically connected to an external power source through a PLC (202), and the Hall element (103) is in signal connection with the PLC (202).