Centrifugal pump control device capable of being automatically adjusted
By introducing a cooling and refrigeration mechanism into the centrifugal pump control device, combined with a temperature sensor and refrigeration system, automatic temperature regulation and cooling of the centrifugal pump are achieved, solving the problem of temperature rise caused by high load or high temperature, and ensuring stable operation and efficient work of the centrifugal pump.
Patent Information
- Application Number
- CN202520175484.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-27
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-27
AI Technical Summary
Existing centrifugal pump control devices lack an automatic cooling structure, which causes the centrifugal pump temperature to rise continuously during long-term high-load operation or when the ambient temperature is high, affecting its normal operation and working efficiency.
An automatically adjustable centrifugal pump control device was designed, which includes a cooling mechanism and a refrigeration mechanism. The pump body temperature is monitored by a temperature sensor, and the centrifugal pump is automatically cooled by a refrigeration system consisting of a refrigeration compressor, a condenser, and an expansion valve. Heat exchange is carried out by a cooling fan and a heat pipe to achieve automatic adjustment of the cooling effect.
Effective heat dissipation and cooling ensure stable operation of the centrifugal pump under high load or high temperature conditions, improving the operating efficiency and reliability of the equipment and avoiding component performance degradation or failure due to overheating.
Smart Images
Figure CN223881371U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to centrifugal pump control technical field, especially a centrifugal pump control device of automatic regulation. BACKGROUND
[0002] As a kind of general fluid conveying equipment, centrifugal pump plays a key role in many industries, in industrial field, petroleum chemical industry utilizes centrifugal pump to transport various raw materials, intermediate product and finished product, such as transporting crude oil from oil depot to oil refining device, and transferring various chemical solutions in chemical production process, power industry relies on centrifugal pump to carry out boiler feed water, condensate water conveying etc., ensure the normal operation of generator set, metallurgical industry realizes the circulating transport of ore pulp, cooling water etc. by centrifugal pump, in civil field, urban water supply system transports water from water source to thousands of households by centrifugal pump, guarantees the daily life water demand of resident, drainage system utilizes centrifugal pump to timely remove urban waterlogging, maintain the normal operation of city, in construction process, centrifugal pump is used for concrete pouring, well point dewatering etc. operation, in agriculture, centrifugal pump is often used for farmland irrigation and drainage, and water resources are reasonably allocated according to the water demand of crops.
[0003] For the above problems, the existing patent gives a solution, but the existing centrifugal pump control device lacks the structure for automatically cooling centrifugal pump, so that the temperature of centrifugal pump is easy to continuously rise when running for a long time under high load or when ambient temperature is high, thereby affecting the normal operation of centrifugal pump and reducing its working efficiency.
[0004] Therefore, a centrifugal pump control device capable of automatic adjustment is proposed. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a centrifugal pump control device capable of automatic adjustment, which can solve the problem that the existing centrifugal pump control device lacks the structure for automatically cooling centrifugal pump, so that the temperature of centrifugal pump is easy to continuously rise when running for a long time under high load or when ambient temperature is high, thereby affecting the normal operation of centrifugal pump and reducing its working efficiency.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a centrifugal pump control device capable of automatic adjustment, comprising a control box body, a centrifugal pump body is fixedly connected to the bottom of the left side of the control box body, a cooling mechanism is fixedly connected to the left side of the control box body, a refrigeration mechanism is fixedly connected to the top of the cooling mechanism;
[0007] The cooling mechanism comprises a limiting plate, fixing holes, a refrigeration plate, a heat conduction pipe, a heat dissipation fan, a water inlet pipe and a water outlet pipe, the limiting plate is fixedly connected to the left side of the control box body, the fixing holes are formed in the two sides of the limiting plate, the refrigeration plate is fixedly connected to the inner side of the fixing hole, the heat conduction pipe is fixedly connected to the inner side of the refrigeration plate, the heat dissipation fan is fixedly connected to the inner side of the refrigeration plate, the bottom of the water inlet pipe penetrates through the front refrigeration plate and is fixedly connected to the bottom of the heat conduction pipe, the side, away from the heat conduction pipe, of the water inlet pipe is fixedly connected to the bottom of the cooling mechanism, and the bottom of the water outlet pipe penetrates through the limiting plate and the rear refrigeration plate in sequence and is fixedly connected to the bottom of the heat conduction pipe.
[0008] Preferably, the cooling mechanism comprises a liquid inlet pipe, an expansion valve, a condenser, a liquid outlet pipe, a refrigeration compressor, a temperature sensor and a microcontroller, and the liquid inlet pipe is fixedly connected to the top of the water inlet pipe.
[0009] Preferably, the right side of the liquid inlet pipe is fixedly connected to the rear side of the expansion valve, the expansion valve is fixedly connected to the top of the limiting plate, the condenser is fixedly connected to the top of the left side of the control box body, the right side of the expansion valve is fixedly connected to the front side of the condenser, and the liquid outlet pipe is fixedly connected to the top of the water outlet pipe.
[0010] Preferably, the side, away from the water outlet pipe, of the liquid outlet pipe is fixedly connected to the top of the refrigeration compressor, the refrigeration compressor is fixedly connected to the rear side of the control box body, the rear side of the condenser is fixedly connected to the bottom of the refrigeration compressor, the temperature sensor is fixedly connected to the top of the limiting plate, the microcontroller is fixedly connected to the top of the left side of the control box body, and the liquid inlet pipe, the expansion valve, the condenser, the liquid outlet pipe, the refrigeration compressor, the heat conduction pipe, the water inlet pipe and the water outlet pipe are communicated.
[0011] Preferably, the bottom of the refrigeration compressor is fixedly connected with a reinforcing seat, and the surface of the reinforcing seat is coated with anticorrosive paint.
[0012] Preferably, the inner side of the fixing hole is fixedly connected with a filter screen, and the surface of the filter screen is coated with anticorrosive paint.
[0013] Preferably, the top of the water inlet pipe and the top of the water outlet pipe are fixedly connected with sealing rings, respectively, and the side, away from the water inlet pipe and the water outlet pipe, of the sealing rings is fixedly connected to the bottom of the liquid inlet pipe and the liquid outlet pipe, respectively.
[0014] Preferably, the bottom of the centrifugal pump body is fixedly connected with a support frame, the two sides of the support frame are welded with connecting blocks, and the inner side of the connecting block is formed with a threaded hole.
[0015] Compared with the prior art, the centrifugal pump has the advantages that:
[0016] 1、The cooling mechanism of the application can effectively dissipate the heat generated during the operation of the centrifugal pump body, so that the heat generated during the normal operation of the centrifugal pump body can be quickly dissipated, which helps to maintain the stable operation of the equipment and prevent performance degradation or failure of components due to overheating;
[0017] 2、The refrigeration mechanism of the application can monitor the temperature of the centrifugal pump body in real time through the temperature sensor, and when the temperature exceeds the set range, the microcontroller can control the refrigeration compressor to start, and the refrigerant circulates between the expansion valve, the condenser and other components to cool the centrifugal pump body, so as to ensure the cooling effect and flexibly adjust the refrigeration intensity according to the actual temperature demand, so that the equipment can always operate in a suitable temperature environment. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the overall structure diagram of the automatic adjustable centrifugal pump control device of the utility model;
[0019] Figure 2 It is the structure schematic view of the limiting plate of the utility model;
[0020] Figure 3 It is the overall structure diagram of the automatic adjustable centrifugal pump control device of the utility model; Figure 2 It is the enlarged schematic view of A in the utility model;
[0021] Figure 4 It is the overall structure diagram of the refrigeration mechanism of the utility model;
[0022] Figure 5 It is the structure schematic view of the refrigeration compressor of the utility model.
[0023] In the drawing, 1, control box body; 2, centrifugal pump body; 3, cooling mechanism; 31, limiting plate; 32, fixed hole; 33, refrigeration plate; 34, heat pipe; 35, heat dissipation fan; 36, water inlet pipe; 37, drain pipe; 4, refrigeration mechanism; 41, liquid inlet pipe; 42, expansion valve; 43, condenser; 44, liquid outlet pipe; 45, refrigeration compressor; 46, temperature sensor; 47, microcontroller; 5, reinforcing seat; 6, filter screen; 7, sealing ring; 8, support frame; 9, connecting block; 10, threaded hole. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] Please refer to Figures 1-5The utility model provides technical scheme:
[0026] A centrifugal pump control device of automatic regulation, including control box body 1, the bottom fixed connection of centrifugal pump body 2 has in control box body 1 left side, the left side fixed connection of control box body 1 has cooling mechanism 3, the top fixed connection of cooling mechanism 3 has refrigeration mechanism 4;
[0027] Cooling mechanism 3 includes stop plate 31, fixed hole 32, refrigeration plate 33, heat pipe 34, heat dissipation row fan 35, water inlet pipe 36 and drain pipe 37, stop plate 31 is fixedly connected in the left side of control box body 1, fixed hole 32 is set up in both sides of stop plate 31, refrigeration plate 33 is fixedly connected in the inner side of fixed hole 32, heat pipe 34 is fixedly connected in the inner side of refrigeration plate 33, heat dissipation row fan 35 is fixedly connected in the inner side of refrigeration plate 33, the bottom of water inlet pipe 36 penetrates the front refrigeration plate 33 fixedly connected in the bottom of heat pipe 34, the side of water inlet pipe 36 away from heat pipe 34 is fixedly connected in the bottom of refrigeration mechanism 4, the bottom of drain pipe 37 is in proper order penetrates stop plate 31 and rear refrigeration plate 33 and is fixedly connected in the bottom of heat pipe 34, the side of drain pipe 37 away from heat pipe 34 is fixedly connected in the bottom of refrigeration mechanism 4.
[0028] In the embodiment, the control box body 1 is arranged to centrally manage and control the operation of the centrifugal pump, provides installation and protection space for various electrical elements and controllers inside, avoids damage to the internal precision elements by the external environment, ensures that the control and adjustment functions of the whole system can be realized, and can support and limit the cooling mechanism 3, the centrifugal pump body 2 and the refrigeration mechanism 4. The centrifugal pump body 2 can transport fluid from one position to another position, has the advantages of simple structure, convenient operation, wide flow range, adjustable lift and the like. The limiting plate 31 can support and limit the fixing hole 32, the water inlet pipe 36, the drain pipe 37 and the refrigeration mechanism 4. The fixing hole 32 can support and limit the refrigeration plate 33. The refrigeration plate 33 can support and limit the heat pipe 34 and the heat dissipation fan 35, and guide the air blown by the heat dissipation fan 35 to the surface of the centrifugal pump body 2. The heat pipe 34 can absorb the heat of the hot air around the centrifugal pump body 2, and flow through the cooling liquid inside to cool down. The heat dissipation fan 35 can blow air to the heat pipe 34, and blow the surrounding air to the heat pipe 34. Because the temperature of the heat pipe 34 is lower than that of the surrounding air, according to the heat transfer principle, the heat of the air will be transferred to the heat pipe 34, and the temperature of the air itself will be reduced to form relatively cold air, which cools the air near the centrifugal pump body 2. The water inlet pipe 36 and the drain pipe 37 jointly constitute a cooling liquid circulation channel. The water inlet pipe 36 introduces low-temperature cooling liquid into the heat pipe 34. After absorbing heat, the high-temperature cooling liquid is transported to the compressor through the drain pipe 37 for cooling treatment, and then recycled back to the water inlet pipe 36 to form a continuous cooling liquid circulation.
[0029] Specifically, as shown in Figure 4 , the refrigeration mechanism 4 includes an inlet pipe 41, an expansion valve 42, a condenser 43, an outlet pipe 44, a refrigeration compressor 45, a temperature sensor 46 and a microcontroller 47. The inlet pipe 41 is fixedly connected to the top of the water inlet pipe 36.
[0030] Specifically, as shown in Figure 4 , the right side of the inlet pipe 41 is fixedly connected to the rear side of the expansion valve 42. The expansion valve 42 is fixedly connected to the top of the limiting plate 31. The condenser 43 is fixedly connected to the top of the left side of the control box body 1. The right side of the expansion valve 42 is fixedly connected to the front side of the condenser 43. The outlet pipe 44 is fixedly connected to the top of the drain pipe 37.
[0031] Specifically, as shown in Figure 4As shown, the liquid outlet pipe 44 is fixedly connected to the top of the refrigeration compressor 45 away from one side of the drain pipe 37, the refrigeration compressor 45 is fixedly connected to the rear side of the control box body 1, the rear side of the condenser 43 is fixedly connected to the bottom of the refrigeration compressor 45, the temperature sensor 46 is fixedly connected to the top of the limiting plate 31, the microcontroller 47 is fixedly connected to the top of the left side of the control box body 1, and the liquid inlet pipe 41, the expansion valve 42, the condenser 43, the liquid outlet pipe 44, the refrigeration compressor 45, the heat conduction pipe 34, the water inlet pipe 36 and the drain pipe 37 are communicated.
[0032] In this embodiment: by setting the liquid inlet pipe 41, the cooling liquid is introduced from the expansion valve 42 to the heat conduction pipe 34, providing a smooth flow channel for the cooling liquid, the expansion valve 42 throttles and depressurizes the cooling liquid delivered from the condenser 43, when the high-pressure liquid medium passes through the expansion valve 42, due to its throttling effect, the pressure and temperature will drop rapidly, realizing the transition from high-pressure liquid to low-pressure gas-liquid mixed state, the condenser 43 exchanges heat with the external environment, discharging the heat of the cooling liquid to the external environment, the liquid outlet pipe 44 guides the cooling liquid after absorbing heat in the heat conduction pipe 34 to the inside of the refrigeration compressor 45, the refrigeration compressor 45 provides power for the circulation of the cooling liquid, driving it to flow between different components, and also creates conditions for subsequent condensation and evaporation processes, through the compression of the cooling liquid, the refrigeration compressor 45 provides continuous energy for the entire refrigeration cycle, ensuring the cooling effect of the cooling mechanism 3, the temperature sensor 46 can monitor the temperature of the centrifugal pump body 2 in real time, enabling the microcontroller 47 to control and adjust according to the actual temperature information, the microcontroller 47 controls the refrigeration compressor 45, the expansion valve 42 and other components according to the temperature information fed back by the temperature sensor 46, automatically adjusts the refrigeration capacity according to the actual temperature demand, avoiding the inaccuracy and hysteresis of manual adjustment, ensuring that the centrifugal pump is always within the optimal working temperature range, improving the running stability of the equipment.
[0033] Specifically, as shown in the figure, Figure 5 The bottom of the refrigeration compressor 45 is fixedly connected with a reinforcing seat 5, and the surface of the reinforcing seat 5 is coated with anti-corrosion paint.
[0034] Specifically, as shown in the figure, Figure 1 The inner side of the fixed hole 32 is fixedly connected with a filter screen 6, and the surface of the filter screen 6 is coated with anti-corrosion paint.
[0035] In this embodiment: by setting the reinforcing seat 5, a stable support is provided for the refrigeration compressor 45, by setting the anti-corrosion paint, it can prevent it from being eroded by corrosive substances in the surrounding environment, by setting the filter screen 6, it can prevent impurities from being blown by the heat dissipation fan 35 through the fixed hole 32 to the surface of the centrifugal pump body 2, by setting the anti-corrosion paint, it can protect the filter screen 6 to enhance the durability of the filter screen 6 and prolong its service life.
[0036] Specifically, as shown in Figure 5 The top of the water inlet pipe 36 and the drain pipe 37 is fixedly connected with a sealing ring 7, and the side away from the water inlet pipe 36 and the drain pipe 37 of the sealing ring 7 is fixedly connected to the bottom of the liquid inlet pipe 41 and the liquid outlet pipe 44, respectively.
[0037] Specifically, as shown in Figure 1 The bottom of the centrifugal pump body 2 is fixedly connected with a support frame 8, and the two sides of the support frame 8 are welded with a connecting block 9, and the inner side of the connecting block 9 is provided with a threaded hole 10.
[0038] In this embodiment: by setting the sealing ring 7, it can prevent the cooling liquid from leaking at the connecting part, and ensure the sealing of the cooling and refrigeration system cooling liquid circulation loop, by setting the support frame 8, it provides a solid support for the centrifugal pump, by setting the connecting block 9, it can support and limit the threaded hole 10, by setting the threaded hole 10, it can be convenient for the user to insert the connecting piece such as bolt into the threaded hole 10, and fix the support frame 8 on the corresponding structure.
[0039] Working principle: first, the user will control box body 1 and centrifugal pump body 2 to the predetermined working position, then, the user will control box body 1 and centrifugal pump body 2 power on and start, make it enter normal working state, immediately, the user for temperature sensor 46 and microcontroller 47 power on and open, then, in the centrifugal pump body 2 long time running process, due to its own operation produces heat, resulting in the formation of hot air around it, when the temperature sensor 46 detects the centrifugal pump body 2 temperature exceeds the normal range, will send a signal to microcontroller 47, microcontroller 47 receives the signal, will power on and start refrigeration compressor 45, condenser 43, expansion valve 42 and heat dissipation fan 35, after that, the refrigeration compressor 45 starts working, compresses and transports the cooling liquid to the condenser 43, the condenser 43 carries out heat exchange treatment to the cooling liquid, so that the heat of the cooling liquid is dissipated, and then it is guided to the expansion valve 42, the expansion valve 42 carries out throttling and pressure reducing operation to the cooling liquid, and leads it into the liquid pipe 41, the liquid pipe 41 transmits the cooling liquid to the inside of the heat pipe 34 through the water inlet pipe 36, the heat pipe 34 can absorb the heat in the hot air around the centrifugal pump body 2, and further absorb heat by means of the cooling liquid, at the same time, the heat dissipation fan 35 blows air through the refrigeration plate 33 to the centrifugal pump body 2 nearby, accelerates the air circulation speed in this area, promotes the temperature of the centrifugal pump body 2 to drop rapidly, thereby effectively reducing the temperature of the centrifugal pump body 2, finally, when the temperature sensor 46 monitors the temperature of the centrifugal pump body 2 to normal range, will deliver a signal to microcontroller 47, microcontroller 47 controls the refrigeration compressor 45, condenser 43, expansion valve 42 and heat dissipation fan 35 to stop running, after that, the temperature sensor 46 will continue to monitor the temperature of the centrifugal pump body 2 in real time, so as to respond in time when the temperature is abnormal.
[0040] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. An automatically adjustable centrifugal pump control device comprising a control box body (1), characterized in that: The bottom of the left side of the control box body (1) is fixedly connected with a centrifugal pump body (2), the left side of the control box body (1) is fixedly connected with a cooling mechanism (3), and the top of the cooling mechanism (3) is fixedly connected with a refrigeration mechanism (4). The cooling mechanism (3) comprises a limiting plate (31), a fixed hole (32), a refrigeration plate (33), a heat conduction pipe (34), a heat dissipation fan (35), a water inlet pipe (36) and a drain pipe (37), the limiting plate (31) is fixedly connected to the left side of the control box body (1), the fixed hole (32) is formed on the two sides of the limiting plate (31), the refrigeration plate (33) is fixedly connected to the inner side of the fixed hole (32), the heat conduction pipe (34) is fixedly connected to the inner side of the refrigeration plate (33), the heat dissipation fan (35) is fixedly connected to the inner side of the refrigeration plate (33), the bottom of the water inlet pipe (36) penetrates through the front refrigeration plate (33) and is fixedly connected to the bottom of the heat conduction pipe (34), the side, away from the heat conduction pipe (34), of the water inlet pipe (36) is fixedly connected to the bottom of the refrigeration mechanism (4), and the bottom of the drain pipe (37) penetrates through the limiting plate (31) and the rear refrigeration plate (33) in sequence and is fixedly connected to the bottom of the heat conduction pipe (34).
2. An automatically adjustable centrifugal pump control device according to claim 1, characterized in that: The refrigeration mechanism (4) comprises an inlet pipe (41), an expansion valve (42), a condenser (43), an outlet pipe (44), a refrigeration compressor (45), a temperature sensor (46) and a microcontroller (47), and the inlet pipe (41) is fixedly connected to the top of the water inlet pipe (36).
3. An automatically adjustable centrifugal pump control device according to claim 2, characterized in that: The right side of the inlet pipe (41) is fixedly connected to the rear side of the expansion valve (42), the expansion valve (42) is fixedly connected to the top of the limiting plate (31), the condenser (43) is fixedly connected to the top of the left side of the control box body (1), the right side of the expansion valve (42) is fixedly connected to the front side of the condenser (43), and the outlet pipe (44) is fixedly connected to the top of the drain pipe (37).
4. An automatically adjustable centrifugal pump control device according to claim 2, wherein: The side, away from the drain pipe (37), of the outlet pipe (44) is fixedly connected to the top of the refrigeration compressor (45), the refrigeration compressor (45) is fixedly connected to the rear side of the control box body (1), the rear side of the condenser (43) is fixedly connected to the bottom of the refrigeration compressor (45), the temperature sensor (46) is fixedly connected to the top of the limiting plate (31), the microcontroller (47) is fixedly connected to the top of the left side of the control box body (1), and the inlet pipe (41), the expansion valve (42), the condenser (43), the outlet pipe (44), the refrigeration compressor (45), the heat conduction pipe (34), the water inlet pipe (36) and the drain pipe (37) are communicated.
5. An automatically adjustable centrifugal pump control device according to claim 2, wherein: The bottom of the refrigeration compressor (45) is fixedly connected with a reinforcing seat (5), and the surface of the reinforcing seat (5) is coated with anticorrosive paint.
6. An automatically adjustable centrifugal pump control device according to claim 1, wherein: The inner side of the fixed hole (32) is fixedly connected with a filter screen (6), and the surface of the filter screen (6) is coated with anticorrosive paint.
7. An automatically adjustable centrifugal pump control device as defined in claim 2, wherein: The top of the water inlet pipe (36) and the drain pipe (37) is fixedly connected with a sealing ring (7), and the side away from the water inlet pipe (36) and the drain pipe (37) of the sealing ring (7) is fixedly connected with the bottom of the liquid inlet pipe (41) and the liquid outlet pipe (44) respectively.
8. An automatically adjustable centrifugal pump control device as defined in claim 1, wherein: The bottom of the centrifugal pump body (2) is fixedly connected with a support frame (8), both sides of the support frame (8) are welded with a connecting block (9), and the inner side of the connecting block (9) is provided with a threaded hole (10).