CN213512090U - Leak protection device and pump based on automatic control - Google Patents

Leak protection device and pump based on automatic control Download PDF

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Publication number
CN213512090U
CN213512090U CN202022369273.7U CN202022369273U CN213512090U CN 213512090 U CN213512090 U CN 213512090U CN 202022369273 U CN202022369273 U CN 202022369273U CN 213512090 U CN213512090 U CN 213512090U
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air bag
sealing
liquid level
level sensor
sealing element
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CN202022369273.7U
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Chinese (zh)
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陈明亮
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Chongqing Shinger Pump Co ltd
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Chongqing Shinger Pump Co ltd
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Abstract

The utility model provides a leak-proof device and a pump based on automatic monitoring, which comprises a main sealing element, an auxiliary sealing element and a main and auxiliary sealing element switching component; the main sealing element and the auxiliary sealing element are fixed in the sealing box in parallel, and the sealing box is fixed on a shaft sleeve on the outer wall of the sealed body; the auxiliary sealing element comprises an auxiliary sealing body, an air bag and a pressure regulating water pipe, the air bag is arranged on the auxiliary sealing body, and the end part of the pressure regulating water pipe is inserted into the air bag through a joint; the main sealing body and the auxiliary sealing body switching assembly comprises a single chip microcomputer, a first liquid level sensor, an electromagnetic valve, a second liquid level sensor, an alarm, a pressure regulating valve, a pressure gauge and a display, wherein the first liquid level sensor, the second liquid level sensor, the electromagnetic valve, the alarm and the pressure gauge are all connected with the single chip microcomputer, and the single chip microcomputer is connected with the display through a communication cable.

Description

Leak protection device and pump based on automatic control
Technical Field
The utility model relates to a leak protection device and pump based on automatic control belongs to mechanical seal technical field.
Background
A pump is a machine that delivers or pressurizes a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, and also to transfer gas-liquid mixture and liquid containing suspended solid. In addition, with the development of industry, people have higher and higher requirements on the sealing performance of the water pump.
In conventional pumps, the primary seal almost always uses a mechanical seal to prevent fluid leakage. However, due to the reasons of large axial string quantity of the rotor, large vibration of the pump shaft, particle media in the conveyed fluid, improper operation and the like, the mechanical seal is easy to damage, once the mechanical seal is damaged, the pump leaks, the pump stops working and production stops due to the leakage, and certain economic loss is brought to enterprises due to the medium which is stopped, produced and leaked.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the above-mentioned defect that exists among the prior art and not enough, provide leak protection device and pump based on automatic control.
In order to solve the technical problem, the utility model provides a leakage-proof device based on automatic monitoring, which comprises a main sealing element, an auxiliary sealing element and a main and auxiliary sealing element switching component; the main sealing element and the auxiliary sealing element are fixed in the sealing box in parallel, and the sealing box is fixed on a shaft sleeve on the outer wall of the sealed body; the auxiliary sealing element comprises an auxiliary sealing body, an air bag and a pressure regulating water pipe, the air bag is arranged on the auxiliary sealing body, and the end part of the pressure regulating water pipe is inserted into the air bag through a connector; the main and auxiliary seal body switching assembly comprises a single chip microcomputer, a first liquid level sensor, a solenoid valve, a second liquid level sensor, an alarm, an air-vent valve, a pressure gauge and a display, wherein the first liquid level sensor is fixed in the sealing box, the second liquid level sensor is fixed at a position close to the airbag, the solenoid valve is arranged on a pressure regulating water pipe, the air-vent valve and the pressure gauge are arranged on the pressure regulating water pipe between the solenoid valve and a joint, the first liquid level sensor, the second liquid level sensor, the solenoid valve, the alarm and the pressure gauge are all connected with the single chip microcomputer, and the single chip microcomputer is connected with the display through.
Further, an air bag gasket is arranged between the air bag and the sealing box body.
Further, the tip of sealed letter body has seted up the cavity, vice seal is arranged in the cavity, and the cover is established on the axle sleeve, the gasbag cover is established on the vice seal, the opening part of cavity is fixed through sealed apron.
Further, connect base, sealed section and cylinder including integrated into one piece, the base is arranged in the gasbag, sealed section inlays at the opening part of gasbag lateral wall, is used for preventing gasbag gas leakage, the cylinder passes through the nut to be fixed on sealed letter body, the tip of pressure regulating water pipe passes to connect and stretches into in the gasbag.
The utility model also provides an including foretell leak protection device's based on automated control pump.
The utility model discloses the beneficial technological effect who reaches: the utility model provides a leak protection device based on automatic control, the device set up main seal spare and secondary seal spare, and secondary seal spare can automatic start work after the main seal spare damages to the economic loss who leads to because of seal assembly damages has been avoided. The specific process is that after the main sealing element is damaged, liquid leaks, and after the liquid level sensor collects liquid information, the liquid level sensor sends a single chip microcomputer, the single chip microcomputer sends an opening instruction to the electromagnetic valve, and pressure is applied to the air bag through the pressure regulating water pipe, so that the auxiliary sealing body is tightly attached to the shaft sleeve, and the sealing effect is achieved. Additionally, the utility model discloses still provide the pump that adopts this leak protection device, effectively prolonged the life of pump and avoided unnecessary economic loss.
Drawings
FIG. 1 is a schematic view of a leakage preventing device of the present invention;
FIG. 2 is a schematic view of a joint structure of the present invention;
FIG. 3 is a block diagram of the switching assembly of the primary and secondary sealing bodies of the present invention.
Wherein, 1-pressure regulating water pipe; 2-sealing the box body; 3-an electromagnetic valve; 4-a first liquid level sensor; 5-airbag cushion ring; 6-air bag; 7-secondary seal; 8-a linker; 9-shaft sleeve; 10-a base; 11-a sealing section; 12-a column; 13-a primary seal; 14-sealing gland.
Detailed Description
The invention will be further described with reference to specific embodiments. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The following further describes the present invention with reference to the drawings and examples.
As shown in fig. 1-3, the utility model provides a leak protection device based on automatic monitoring, which comprises a main sealing element, an auxiliary sealing element and a main and auxiliary sealing body switching component; the main sealing element and the auxiliary sealing element are fixed in the sealing box body 2 in parallel, and the sealing box body 2 is fixed on a shaft sleeve 9 on the outer wall of the sealed body; the auxiliary sealing element comprises an auxiliary sealing body 7, an air bag 6 and a pressure regulating water pipe 1, wherein the air bag 6 is arranged on the auxiliary sealing body 7, and the end part of the pressure regulating water pipe 1 is inserted into the air bag 6 through a joint 8; the main and auxiliary seal body switching assembly comprises a single chip microcomputer, a first liquid level sensor 4, a solenoid valve 3, a second liquid level sensor, an alarm, an air-vent valve, a pressure gauge and a display, the first liquid level sensor 4 is fixed in a sealing box body 2, the second liquid level sensor is fixed at a position close to an air bag 6, the solenoid valve 3 is arranged on a pressure regulating water pipe 1, the air-vent valve and the pressure gauge are arranged on the pressure regulating water pipe 1 between the solenoid valve and a joint, wherein the first liquid level sensor 4, the second liquid level sensor, the solenoid valve, the alarm and the pressure gauge are all connected with the single chip microcomputer, and the single chip microcomputer is connected with the display.
When the main seal is damaged, the auxiliary seal can automatically start to work, so that economic loss caused by damage of the seal assembly is avoided. The specific process is that after the main sealing element is damaged, liquid leaks, the liquid level sensor collects liquid information, sends a signal to the single chip microcomputer, the single chip microcomputer sends an opening instruction to the electromagnetic valve, pressure is applied to the air bag through the pressure regulating water pipe, and therefore the auxiliary sealing body is tightly attached to the shaft sleeve to achieve the sealing effect.
An air bag gasket 5 is arranged between the air bag 6 and the sealing box body 2, so that the air bag 6 and the inner wall of the sealing box body 2 are prevented from being damaged due to friction.
The end of the sealing box body 2 is provided with a cavity, the auxiliary sealing body 7 is arranged in the cavity and sleeved on the shaft sleeve 9, the air bag 6 is sleeved on the auxiliary sealing body 7, and the opening of the cavity is sealed through the fixing plate 14. The secondary sealing body 7 is sleeved on a shaft sleeve 9 on the outer wall of the sealed body in the cavity of the sealing body, the air bag is sleeved on the secondary sealing body through an air bag gasket 5, and the opening of the cavity is sealed by a fixing plate; when the air bag is damaged, the sealing box body does not need to be disassembled, the fixing plate is only required to be opened, the air bag gasket is taken out, then the air bag can be taken out, and a new air bag is replaced.
Connect 8 including integrated into one piece's base 10, sealed section 11 and cylinder 12, base 110 is arranged in the gasbag 6, sealed section 11 inlays at the opening part of 6 lateral walls of gasbag, is used for preventing 6 gas leakage of gasbag, cylinder 12 passes through the nut to be fixed on sealed letter body 2, the tip of pressure regulating water pipe 1 passes and connects 8 and stretches into in the gasbag 6. The base 10 of the joint 8 is inserted into the opening of the air bag 6, the sealing section 11 is clamped and embedded at the opening, the opening of the air bag 6 can be sealed, and the sealing box is fixed on the sealing box body 2 by a screw cap; the pressure-regulating water pipe 1 is inserted into the air bag 6 through the joint 8, so that liquid can be conveniently conveyed into the air bag 6.
The utility model discloses a use method as follows: sleeving a main sealing element on a shaft sleeve on the outer wall of the sealed body, and fixing the main sealing element through a sealing box body; secondly, installing a liquid level sensor I and a liquid level sensor II; thirdly, sleeving the secondary sealing body on a shaft sleeve on the outer wall of the sealed body in the cavity of the sealing box, sleeving the air bag on the secondary sealing body through an air bag gasket, and fixing the air bag and the secondary sealing body through a sealing gland; fourthly, inserting the base of the joint into the opening of the air bag, clamping and embedding the sealing section at the opening, and fixing the sealing section on the sealing box body by using a screw cap; fifthly, the pressure regulating water pipe is inserted into the air bag through the joint.
Additionally, the utility model also provides a pump including foretell leak protection device based on automated control.
The working principle of the utility model is as follows: firstly, the main sealing element seals the sealed body;
normally, the sealed body is sealed by the main seal, and if the main seal is damaged and cannot play a role in sealing, the auxiliary seal is started. When the main sealing element is damaged, liquid enters the sealing box, the liquid level sensor sends a signal to the single chip microcomputer after detecting the liquid, the single chip microcomputer sends an opening instruction to the electromagnetic valve after receiving a message that the sealing box has the liquid, the liquid is conveyed into the air bag through the pressure regulating water pipe, and the air bag is expanded under pressure, so that pressure is applied to the auxiliary sealing body, and the auxiliary sealing body is tightly attached to the shaft sleeve; the pressure regulating water pipe can be externally connected with a liquid conveying device and also can be directly connected with a liquid conveying port of the sealed body. The pressure of liquid in the air bag is changed through the pressure regulating valve and is displayed on the pressure gauge, and the single chip microcomputer acquires data on the pressure gauge, sends the data to the display through the communication cable and displays the data on the display; when the pressure display value reaches a preset value, the single chip sends a notification working instruction to the electromagnetic valve; when the liquid level sensor II collects liquid level information, a signal is sent to the single chip microcomputer, and the single chip microcomputer sends an alarm instruction to the alarm; and after receiving the alarm information, the user opens the sealing gland, then sequentially takes out the airbag gasket and the airbag, finally takes out the auxiliary sealing body to check the leakage position, and carries out repair or replacement treatment.
The present invention has been disclosed in the foregoing with reference to the preferred embodiments, but it is not intended to limit the present invention, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation schemes fall within the protection scope of the present invention.

Claims (5)

1. The utility model provides a leak protection device based on automatic control which characterized in that: the sealing device comprises a main sealing element, an auxiliary sealing element and a main sealing element and auxiliary sealing element switching assembly; the main sealing element and the auxiliary sealing element are fixed in the sealing box in parallel, and the sealing box is fixed on a shaft sleeve on the outer wall of the sealed body; the auxiliary sealing element comprises an auxiliary sealing body, an air bag and a pressure regulating water pipe, the air bag is arranged on the auxiliary sealing body, and the end part of the pressure regulating water pipe is inserted into the air bag through a connector; the main and auxiliary seal body switching assembly comprises a single chip microcomputer, a first liquid level sensor, a solenoid valve, a second liquid level sensor, an alarm, an air-vent valve, a pressure gauge and a display, wherein the first liquid level sensor is fixed in the sealing box, the second liquid level sensor is fixed at a position close to the airbag, the solenoid valve is arranged on a pressure regulating water pipe, the air-vent valve and the pressure gauge are arranged on the pressure regulating water pipe between the solenoid valve and a joint, the first liquid level sensor, the second liquid level sensor, the solenoid valve, the alarm and the pressure gauge are all connected with the single chip microcomputer, and the single chip microcomputer is connected with the display through.
2. The leak protection device based on automatic monitoring of claim 1, characterized in that: and an air bag gasket is arranged between the air bag and the sealing box body.
3. The leak protection device based on automatic monitoring of claim 1, characterized in that: the end of the sealing box body is provided with a cavity, the auxiliary sealing body is arranged in the cavity and sleeved on the shaft sleeve, the air bag is sleeved on the auxiliary sealing body, and the opening of the cavity is provided with a sealing gland to fix the auxiliary sealing body and the air bag.
4. The leak protection device based on automatic monitoring of claim 1, characterized in that: connect base, sealed section and cylinder including integrated into one piece, the base is arranged in the gasbag, sealed section inlays at the opening part of gasbag lateral wall, is used for preventing gasbag gas leakage pressure release, the cylinder passes through the nut to be fixed on the sealed letter body, the tip of pressure regulating water pipe passes to connect stretches into in the gasbag.
5. A pump, characterized by: comprises the leak protection device based on automatic monitoring of any one of claims 1 to 4.
CN202022369273.7U 2020-10-22 2020-10-22 Leak protection device and pump based on automatic control Active CN213512090U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022369273.7U CN213512090U (en) 2020-10-22 2020-10-22 Leak protection device and pump based on automatic control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022369273.7U CN213512090U (en) 2020-10-22 2020-10-22 Leak protection device and pump based on automatic control

Publications (1)

Publication Number Publication Date
CN213512090U true CN213512090U (en) 2021-06-22

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ID=76401756

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022369273.7U Active CN213512090U (en) 2020-10-22 2020-10-22 Leak protection device and pump based on automatic control

Country Status (1)

Country Link
CN (1) CN213512090U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI830118B (en) * 2021-11-23 2024-01-21 台達電子工業股份有限公司 Automation work station and electric control panel thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI830118B (en) * 2021-11-23 2024-01-21 台達電子工業股份有限公司 Automation work station and electric control panel thereof

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