A corrosion-resistant water pump casing

Abstract

This invention discloses a corrosion-resistant water pump housing, comprising a pump housing, a button battery, a battery compartment, a current control module, and electrode strips. The pump housing has an outer surface and an internal cavity. The battery compartment holds at least one button battery. The current control module stably outputs current, driving the electrode strips to release electrons, forming cathodic protection and inhibiting corrosion on the pump housing surface. The battery compartment and sealing cover are designed to be waterproof, ensuring the battery and circuitry are protected from moisture or corrosive liquids. The current control module automatically adjusts the current output based on battery voltage changes, ensuring stable system operation. This invention, through stable current output and the cathodic protection of the electrode strips, effectively improves the corrosion resistance of the pump housing, extends the service life of the pump, and reduces maintenance frequency and costs.

Description

Technical Field

[0001] This utility model relates to the field of water pump housing technology, specifically a corrosion-resistant water pump housing. Background Technology

[0002] With the continuous advancement of industrialization and urbanization, water pumps, as important fluid transport equipment, are widely used in water treatment, irrigation, construction, fire protection, water supply, and drainage. During long-term operation, water pumps are susceptible to various factors, the most serious of which is corrosion. In particular, the pump casing, constantly exposed to water flow and humid environments, is prone to corrosion, leading to decreased pump performance and even malfunction. Corrosion not only affects the service life of the pump but also increases the maintenance and replacement costs.

[0003] In existing technologies, common anti-corrosion measures include using corrosion-resistant materials to manufacture pump housings, applying anti-corrosion coatings, and using sacrificial anodes for cathodic protection. However, these methods have certain limitations:

[0004] Corrosion-resistant materials: Although corrosion-resistant materials can improve the corrosion resistance of pump housings, their manufacturing cost is high and their effectiveness is limited in certain corrosive environments (such as water bodies with strong acidity or alkalinity).

[0005] Anti-corrosion coating: Although the anti-corrosion coating can effectively isolate the pump housing from direct contact with corrosive media, the coating will wear down over time, and the durability and uniformity of the coating are difficult to guarantee, requiring regular recoating, which increases maintenance costs.

[0006] Sacrificial anode cathodic protection: Sacrificial anode protection technology protects the pump casing by sacrificing the anode, but it requires periodic replacement of the sacrificial anode, which increases maintenance costs, and the protective effect of the anode is limited in certain environments.

[0007] Therefore, effectively preventing corrosion of water pump casings and reducing maintenance costs remains a pressing technical problem. While existing technologies offer various corrosion prevention methods, most suffer from frequent maintenance, high costs, or limited effectiveness. Utility Model Content

[0008] The present invention aims to solve the technical problems existing in the prior art or related technologies.

[0009] This utility model relates to a corrosion-resistant protection system for a water pump housing, particularly a water pump housing using current cathodic protection technology, which can effectively prevent corrosion on the surface of the water pump housing, thereby extending the service life of the water pump.

[0010] The water pump housing corrosion protection system of this utility model includes the following key components:

[0011] Pump housing: As the main body of this system, the pump housing has an external surface and an internal cavity to house the working components of the pump. The housing surface is in direct contact with the water flow and is the main area where corrosion occurs.

[0012] Button battery holder: Used to provide power to the entire system, it is connected to the water pump housing and fixed by the battery slot. The battery outputs a stable current through a current control module to ensure long-term stable operation of the system; the button battery is a silver-zinc battery or a lithium battery with a voltage of 1.5V to 3V, and multiple batteries can be connected in parallel to improve battery capacity and stability.

[0013] Battery slot and sealing cover: The battery slot is located on the water pump housing and houses at least one button battery. The sealing cover is designed to be waterproof, preventing moisture or corrosive liquids from damaging the battery and circuitry. The button battery is connected to the current control module by welding or connectors. The battery compartment design of the battery slot and sealing cover facilitates battery replacement.

[0014] Current control module: Embedded inside the button battery holder, the current control module connects to the button battery and provides a stable output current of 1mA to 5mA. This module automatically adjusts the current to ensure a stable output and inhibit corrosion of the water pump housing surface. The current control module uses a constant current source circuit, capable of providing a stable DC current ranging from 1mA to 5mA.

[0015] Electrode strips: Electrode strips are installed on the outer surface of the pump housing and are made of corrosion-resistant materials such as titanium alloy or iridium-titanium alloy, and are evenly arranged along the pump housing. The electrode strips form cathodic protection by releasing electrons, preventing corrosion reactions on the surface of the pump housing.

[0016] The system is designed to ensure that the surface of the pump housing remains in a cathodic state throughout the entire operation, thus preventing corrosion and extending the service life and performance of the pump housing. Beneficial effects

[0017] Effective corrosion inhibition: This invention employs current cathodic protection technology. The electrode strips protect the surface of the pump housing by releasing electrons, significantly improving the corrosion resistance of the pump housing. No corrosion reaction occurs on the surface of the pump housing, thus effectively extending the service life of the pump.

[0018] Stable current output: The current control module can stably output DC current from 1mA to 5mA and automatically adjust the output current according to changes in battery voltage, ensuring stable operation of the entire system under different working conditions and avoiding the negative impact of current fluctuations.

[0019] Waterproof and corrosion-resistant design: The battery compartment and sealing cover are designed to be waterproof, preventing moisture and corrosive liquids from damaging the battery and circuitry, ensuring stable system operation over a long period. The battery compartment design facilitates battery replacement, extending the system's lifespan.

[0020] Low-power design: This invention uses a button cell battery as its power source, resulting in low power consumption. The low-power design of the current control module and electrode strips extends battery life, reduces maintenance frequency, and lowers operating costs.

[0021] Easy maintenance and replacement: Thanks to the design of the system's battery compartment and sealed cover, users can easily replace the battery, ensuring uninterrupted long-term system operation. Battery replacement does not require complex disassembly of the water pump, greatly improving maintenance convenience.

[0022] Enhanced service life and reliability of water pump housing: By implementing the corrosion protection system of this utility model, the water pump housing can effectively avoid corrosion problems during operation, thereby significantly improving the long-term reliability and safety of the water pump.

[0023] In summary, this utility model provides a highly efficient, stable, and low-maintenance-cost corrosion protection system for water pump housings. It has excellent corrosion resistance, is suitable for various types of water pump equipment, and has broad application prospects and market value. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of one embodiment of the present utility model;

[0025] Figure 2 This is an exploded structural diagram of one embodiment of the present invention.

[0026] Figure label:

[0027] 100. Pump casing;

[0028] 200. Button battery holder; 210. Battery slot; 220. Button battery; 211. Sealing cap;

[0029] 300. Electrode strips. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0031] It should be understood that these descriptions are merely exemplary and are not intended to limit the scope of this invention.

[0032] The following is in conjunction with the appendix Figures 1-2 This invention describes a corrosion-resistant water pump housing provided by some embodiments of the present invention.

[0033] The corrosion protection system for the water pump housing of the present invention mainly consists of a water pump housing, a battery compartment, a button battery, a current control module, and electrode strips. The following examples illustrate this in detail.

[0034] 1. Pump casing 100

[0035] The pump housing 100 is the main body of the entire system, having an external surface and an internal cavity. The pump housing houses the pump's working components, such as the impeller and bearings, and comes into contact with external fluids through its external surface. To achieve corrosion resistance, this invention incorporates an electrode strip 300 and a battery slot 210, enabling the pump housing to maintain good corrosion resistance during operation.

[0036] 2. Button battery holder 200 and battery slot 210

[0037] The button battery holder 200, serving as the power source for the entire corrosion-resistant protection system, is located inside the water pump housing and provides a stable current. The battery compartment 210 is designed on the water pump housing 100, housing at least one button battery 220. A sealing cover 211 is provided on the battery compartment 210 to ensure it is sealed and waterproof, thus preventing corrosive liquids from entering and damaging the battery. The button battery is a silver-zinc battery or a lithium battery with a voltage of 1.5V to 3V, and multiple batteries can be connected in parallel to improve battery capacity and stability. The button battery is connected to the current control module via welding or connectors. The battery compartment design of the battery compartment and sealing cover facilitates battery replacement.

[0038] This design ensures that the battery compartment 210 is not affected by fluids inside or outside the water pump during operation, thus guaranteeing continuous power supply from the battery.

[0039] 3. Current control module

[0040] The current control module is embedded inside the button battery holder 200 and electrically connected to the button battery 220 via a connector, serving to stabilize the output current. The current control module is designed to control the stability of the output current, ensuring it remains between 1mA and 5mA, thus avoiding overcurrent or undercurrent issues. The current control module uses a constant current source circuit, providing a stable DC current ranging from 1mA to 5mA.

[0041] This module automatically adjusts the current based on changes in battery voltage, ensuring that the system can operate continuously and stably under various working conditions.

[0042] 4. Electrode strip 300

[0043] The electrode strips 300 are made of corrosion-resistant materials such as titanium alloy or iridium-titanium alloy and are evenly arranged along the surface of the pump housing 100, especially in areas where water flows through. The electrode strips suppress corrosion reactions on the pump housing surface by releasing electrons, ensuring the corrosion resistance of the pump housing. The electrode strips not only enhance the cathodic protection range but also effectively distribute current, providing comprehensive protection.

[0044] The electrode strip is connected to the current control module, which releases electrons through a constant current to prevent corrosion of the water pump housing.

[0045] 5. Battery compartment design

[0046] The battery compartment 210 and sealing cover 211 are designed to be waterproof, effectively preventing damage to the battery and circuitry inside the water pump housing from moisture or corrosive liquids. The battery compartment design allows for easy battery replacement, ensuring that users can quickly replace the battery after prolonged system operation without affecting the overall structure.

[0047] Working principle

[0048] The working principle of the water pump housing corrosion protection system of the present invention is based on current cathodic protection technology, which suppresses corrosion on the surface of the water pump housing by continuously providing a stable current. The specific steps are as follows:

[0049] Battery power supply: Button battery 220 provides power to the entire system, and the battery in battery slot 210 provides a stable current to electrode strip 300 through current control module.

[0050] Current output control: The current control module adjusts the output current according to changes in battery voltage. The control module ensures that the current output is within the range of 1mA to 5mA to prevent the current from being too high or too low, thus ensuring the protection effect.

[0051] Cathodic protection: Current passes through electrode 300, releasing electrons that flow into the surface of the pump housing 100, maintaining the housing surface in a cathodic state. This cathodic state effectively inhibits corrosion reactions and prevents the pump housing from being eroded by corrosive fluids.

[0052] Sealing protection: The sealing design of the battery compartment 210 and the sealing cover 211 can prevent external water vapor and corrosive liquids from seeping into the battery and circuit during the operation of the water pump, ensuring the long-term stable operation of the battery.

[0053] Battery replacement: When the battery power is low, the user can replace the button battery 220 by removing the sealing cover 211, and ensure that the waterproof function of the battery compartment is still in good condition, thereby extending the working cycle of the system.

[0054] Stability and Maintenance: The current control module dynamically adjusts the current based on the pump's operating conditions to ensure stable current output. This system can operate for extended periods in various working environments with minimal maintenance and exhibits excellent corrosion resistance.

[0055] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0056] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A corrosion resistant water pump housing characterized by, include: A water pump housing (100) having an outer surface and an inner cavity for accommodating water pump working components; A button battery holder (200) is connected to the water pump housing (100) and is used to support the water pump housing (100). A battery compartment (210) is disposed on the surface of the button battery holder (200) and is provided with a matching sealing cover (211). The inner side of the battery compartment (210) accommodates at least one button battery (220). A current control module is embedded in the inside of the button battery holder (200). The current control module is connected to the battery and is used to stabilize the output current to suppress corrosion on the surface of the pump housing (100). Electrode strip (300) is disposed on the outer surface of the water pump housing (100) and releases electrons through current to extend the current protection range and suppress corrosion reaction on the surface of the water pump housing (100).

2. The corrosion-resistant water pump housing according to claim 1, wherein the button battery (220) is a silver-zinc battery or a lithium battery with a voltage of 1.5V to 3V, and multiple batteries can be connected in parallel to improve battery capacity and stability.

3. The corrosion-resistant water pump housing according to claim 1, wherein the current control module uses a constant current source circuit, which can provide a stable DC current with a current range of 1mA to 5mA.

4. The corrosion-resistant water pump housing according to claim 1, wherein the electrode strip (300) is made of titanium alloy or iridium titanium alloy and is uniformly arranged along the surface of the water pump housing (100), especially in areas where water flow is more frequent, to ensure that the entire housing surface is effectively protected.

5. The corrosion-resistant water pump housing according to claim 1, wherein the battery compartment (210) and the sealing cover (211) are designed to be waterproof, ensuring that the battery and circuit are protected from moisture or corrosive liquids.

6. The corrosion-resistant water pump housing according to claim 1, wherein the button battery (220) is connected to the current control module by welding or connector, and the battery compartment design of the battery slot (210) and sealing cover (211) facilitates battery replacement.

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