Household intelligent constant-pressure variable frequency pump

Abstract

The utility model discloses a household intelligent constant-pressure variable-frequency pump, which is applied to the field of variable-frequency pumps and comprises an electric control component, a motor component, a pump component and a pressurizing component. The motor assembly and the pump assembly are installed. The pressurizing assembly is mounted at the top of the pump assembly; the motor assembly comprises a rotor assembly and a stator assembly; the motor assembly is arranged, corresponding parameter values are set through the motor assembly, the pressure sensor receives actual water pressure signals and transmits the actual water pressure signals to the controller, the controller controls the operation state of the motor assembly according to the difference value between the actual pressure and the set pressure, and the motor assembly drives the pump assembly to work. The actual pressure reaches a pressure value set by the motor assembly; automatic pressure control is realized by adopting a water pressure sensing mode, so that high efficiency, low noise, intelligent control, intelligent protection, safety, durability and stable operation of the frequency converter are realized.

Description

Technical Field

[0001] The utility model relates to the field of variable frequency pumps, in particular to a household intelligent constant pressure variable frequency pump. Background Art

[0002] The primary function of a household constant-pressure variable-frequency pump is to maintain stable water pressure and adjust the water flow rate based on actual demand by controlling the pump's operation, ensuring comfortable and convenient household water use. Existing products are relatively large, inconvenient for home use, and have low motor energy efficiency, resulting in high household costs. They also require frequent activation and dedicated supervision, and lack intelligent functionality. To address these issues, we have developed a household intelligent constant-pressure variable-frequency pump. Utility Model Content

[0003] The purpose of the utility model is to provide a household intelligent constant pressure variable frequency pump, which has the advantages of high motor efficiency, low noise, intelligent control, intelligent protection, safety, durability and stable operation.

[0004] The above technical objectives of the present utility model are achieved through the following technical solutions: a household intelligent constant pressure variable frequency pump, comprising an electronic control component, a motor component, a pump component and a pressurizing component, characterized in that: the electronic control component and the motor component are installed; the motor component and the pump component are installed; the pressurizing component is installed on the top of the pump component; the motor component comprises a rotor component and a stator component, and the rotor component is installed inside the stator component; the electronic control component comprises a junction box cover one, a junction box two, a key panel, a control panel, a heat sink and a cable; the key panel is fixedly installed inside the junction box cover one by screws, the control panel is bolted to the inside of the junction box two by screws, the bottom of the junction box two is fixedly connected to the heat sink, and the key panel and the control panel are connected by a cable.

[0005] By adopting the above technical solution, by setting up electronic control components, motor components, pump components and pressurizing components, high efficiency, low noise, intelligent control, intelligent protection, safety, durability and stable operation can be achieved.

[0006] The utility model is further configured as follows: the rotor assembly includes a welding shaft, a bearing, a magnetic steel and a rotor ball, the magnetic steel is bonded in the magnetic steel groove of the rotor ball, the rotor ball is sleeved on the middle part of the welding shaft, and bearings are installed on both sides of the welding shaft;

[0007] The stator assembly includes a front cover, a corrugated washer, a casing, a rear cover, a fan blade, a second clamping ring, a wind shield, a base, a coil and a stator core. The coil is wound around the inside of the stator core, and the stator core is sleeved inside the casing. The two ends of the casing are fixedly mounted to the front cover and the rear cover respectively. The base is fixedly connected to the bottom of the front cover, the rear cover is fixedly connected to the wind shield, the fan blade is sleeved on the welding shaft, and the fan blade is fixedly connected to the welding shaft through the second clamping ring.

[0008] By adopting the above technical solution, through the arrangement of the rotor assembly and the stator assembly, the rotor assembly and the stator assembly cooperate with each other to convert electromagnetic energy into mechanical energy;

[0009] The welding shaft, bearing, magnet and rotor ball of the rotor assembly respectively function as follows: the bearing is used to assist the rotation of the welding shaft and limit the welding shaft to rotate stably at a fixed position; the welding shaft is used to drive the magnet and rotor ball to rotate;

[0010] Magnets are used to generate magnetic fields, enabling the motor to rotate and generate force;

[0011] The rotor ball is used to convert electrical energy into mechanical energy to achieve the driving function;

[0012] The front cover, casing, rear cover, fan blades, retaining ring 2, wind cover, base, coil and stator core of the stator assembly respectively function as follows: the stator core is used to form the motor magnetic flux circuit and is also responsible for fixing the stator winding; the front cover and rear cover are both used to protect the internal structure of the casing; the fan blades are used for heat dissipation.

[0013] The present invention is further configured as follows: the pump assembly includes an air nail, a fan blade, a retaining ring, a water retaining ring, a water inlet chamber, a water outlet chamber, a guide vane, two PTFE gaskets, an impeller, a lock nut, a locking sleeve, a sleeve, a positioning sleeve, a mechanical seal dynamic ring and a mechanical seal static ring; the water outlet chamber is sleeved with the front cover, and the water outlet chamber and the front cover are mechanically sealed by a mechanical seal static ring; the guide vane is sleeved inside the front cover; one PTFE gasket is installed between the water outlet chamber and the front cover; the guide vane is sleeved with the water inlet chamber; the other PTFE gasket is installed between the guide vane and the water inlet chamber; the surface of the welded shaft is sleeved with the positioning sleeve, the impeller, the sleeve, the fixed sleeve, the locking sleeve and the lock nut respectively.

[0014] The above technical solution is adopted, and the pump assembly is provided to adjust the water pressure according to the numerical value and to pump the water;

[0015] The water inlet chamber is used to store water, and the water outlet chamber is used to drain water;

[0016] The impeller rotates and uses centrifugal force to transfer energy to the water, so that it obtains pressure energy and kinetic energy, thereby realizing the transportation of water; the guide vanes are used to collect the water thrown out by the impeller during the rotation process, ensure the uniformity of the water flow rate, avoid direct impact, and reduce hydraulic loss; and convert part of the kinetic energy of the water into pressure energy, which plays a pressurizing role; and can also guide the direction of the water so that the water can be discharged evenly.

[0017] The utility model is further configured as follows: the pressurizing assembly includes a pressure tank, a five-way valve, a rubber pad, a check valve body, a spring, a check valve core, a pressure gauge, a pressure sensor and a five-way sealing ring; the bottom of the five-way valve is threadedly connected to the water outlet chamber; the five-way valve and the water outlet chamber are fixed by a five-way sealing ring; the two ends of the five-way valve are threadedly connected to the pressure gauge and the pressure sensor respectively; the check valve body is threadedly connected to the five-way valve; the check valve core is sleeved inside the check valve body; the spring is installed between the check valve core and the check valve body; and the pressure tank is threadedly connected to the check valve body.

[0018] The above technical solution is adopted to pressurize water by setting a pressurizing component so that the water pressure reaches a set value.

[0019] In summary, the present invention has the following beneficial effects:

[0020] The utility model sets a motor component, uses the motor component to set corresponding parameter values, and the pressure sensor receives the actual water pressure signal and transmits it to the controller. The controller controls the operating state of the motor component according to the difference between the actual pressure and the set pressure. The motor component drives the pump component to work so that the actual pressure reaches the pressure value set by the motor component. The utility model uses the method of sensing water pressure to realize automatic control of pressure, thereby realizing high efficiency, low noise, intelligent control, intelligent protection, safety, durability and stable operation of the inverter. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is an exploded view of the structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the electric control component of the utility model;

[0023] Figure 3 It is a schematic diagram of the stator assembly of the utility model;

[0024] Figure 4 It is a schematic diagram of the rotor assembly of the utility model;

[0025] Figure 5 It is a schematic diagram of the pressurizing component of the utility model;

[0026] Figure 6 It is a schematic diagram of the pump assembly of the present utility model.

[0027] Reference numerals: 1, junction box cover 1; 2, keypad; 3, control panel; 4, junction box 2; 5, heat sink; 6, pressure tank; 7, check valve body; 8, spring; 9, check valve core; 10, rubber pad; 11, five-way valve; 12, pressure gauge; 13, pressure sensor; 14, five-way sealing ring; 15, water inlet chamber; 16, lock nut; 17, locking sleeve; 18, impeller; 19, PTFE gasket; 20, guide vane; 21, sleeve; 22, positioning sleeve; 23, snap ring 1; 24, mechanical seal dynamic ring; 25. Mechanical seal static ring; 26. Water outlet chamber; 27. Front cover; 28. Stator core; 29. ​​Casing; 30. Corrugated washer; 31. Rear cover; 32. Fan blade; 33. Retaining ring 2; 34. Fan cover; 35. Base; 36. Bearing; 37. Welding shaft; 38. Magnet; 39. Rotor ball; 40. Coil; 41. Air nail; 42. Water retaining ring; 43. Cable; 44. Electronic control component; 45. Motor component; 451. Rotor component; 452. Stator component; 46. Pump component; 47. Pressurization component. DETAILED DESCRIPTION

[0028] The present invention will be described in further detail below with reference to the accompanying drawings.

[0029] Example 1:

[0030] refer to Figures 1-6, a household intelligent constant pressure variable frequency pump includes an electronic control component 44, a motor component 45, a pump component 46 and a pressurizing component 47, characterized in that: the electronic control component 44 and the motor component 45 are installed; the motor component 45 and the pump component 46 are installed; the pressurizing component 47 is installed on the top of the pump component 46; the motor component 45 includes a rotor component 451 and a stator component 452, the rotor component 451 is installed inside the stator component 452, the electronic control component 44 includes a junction box cover 1, a junction box 2 4, a keypad 2, a control panel 3, a heat sink 5 and a cable 43, the keypad 2 is fixedly installed inside the junction box cover 1 by screws, the control panel 3 is bolted to the inside of the junction box 2 4 by screws, the bottom of the junction box 2 4 is fixedly connected to the heat sink 5, the keypad 2 and the control panel 3 are connected by the cable 43; by setting the motor component 45, the corresponding parameter value is set using the motor component 45, and the pressure sensor 13 receives the actual water pressure The pressure signal is transmitted to the controller, and the controller controls the operating state of the motor assembly 45 according to the difference between the actual pressure and the set pressure. The motor assembly 45 drives the pump assembly 46 to work so that the actual pressure reaches the pressure value set by the motor assembly 45; the water pressure is sensed to realize automatic control of the pressure, thereby realizing high efficiency, low noise, intelligent control, intelligent protection, safety, durability and stable operation of the inverter. Through the setting of the electronic control assembly 44, it is used to set and adjust the numerical value and give adjustment instructions and interrupt instructions according to the set numerical value; the junction box cover 1 and the junction box 2 4 are used to protect the equipment installed therein; the keypad 2 is used to set and adjust the numerical value on the control panel; the control panel 3 is used to issue and receive instructions, and is used to process data and control the motor assembly 45 and the pump assembly 46 according to the numerical value given by the control panel 3; the cable 43 is used to transmit data between the keypad 2 and the control panel 3.

[0031] refer to Figure 4 and Figure 5 The rotor assembly 451 includes a welded shaft 37, a bearing 36, a magnet 38, and a rotor ball 39. The magnet 38 is bonded to the magnet groove of the rotor ball 39. The rotor ball 39 is sleeved on the middle of the welded shaft 37. Bearings 36 are installed on both sides of the welded shaft 37.

[0032] The stator assembly 452 includes a front cover 27, a corrugated washer 30, a housing 29, a rear cover 31, a fan blade 32, a second snap ring 33, a wind shield 34, a foot 35, a coil 40 and a stator core 28. The coil 40 is wound around the inside of the stator core 28, and the stator core 28 is sleeved inside the housing 29. The two ends of the housing 29 are fixedly installed with the front cover 27 and the rear cover 31 respectively. The foot 35 is fixedly connected to the bottom of the front cover 27, the rear cover 31 is fixedly connected to the wind shield 34, the fan blade 32 is sleeved with the welding shaft 37, and the fan blade 32 is fixedly connected to the welding shaft 37 through the second snap ring 33. Through the arrangement of the rotor assembly 451 and the stator assembly 452, the rotor assembly 451 and the stator assembly 452 cooperate with each other to convert electromagnetic energy into mechanical energy; wherein the welding shaft 33 of the rotor assembly 451 7. The bearing 36, magnet 38 and rotor ball 39 respectively function as follows: the bearing 36 is used to assist the rotation of the welding shaft 37 and limit the welding shaft 37 to rotate stably in a fixed position; the welding shaft 37 is used to drive the magnet 38 and the rotor ball 39 to rotate; the magnet 38 is used to generate a magnetic field, so that the motor can rotate and generate force; the rotor ball 39 is used to convert electrical energy into mechanical energy, thereby realizing the driving function; among which the front cover 27, housing 29, rear cover 31, fan blades 32, retaining ring 23, wind cover 34, base 35, coil 40 and stator core 28 of the stator assembly 452 respectively function as follows: the stator core 28 is used to form the motor magnetic flux circuit and is also responsible for fixing the stator winding; the front cover 27 and the rear cover 31 are both used to protect the internal structure of the housing 29; and the fan blades 32 are used for heat dissipation.

[0033] refer to Figure 6The pump assembly 46 includes an air nail 41, a fan blade 32, a retaining ring 23, a water retaining ring 42, a water inlet chamber 15, a water outlet chamber 26, a guide vane 20, two PTFE gaskets 19, an impeller 18, a lock nut 16, a locking sleeve 17, a sleeve 21, a positioning sleeve 22, a mechanical seal dynamic ring 24 and a mechanical seal static ring 25. The water outlet chamber 26 is sleeved with the front cover 27. The water outlet chamber 26 and the front cover 27 are mechanically sealed by the mechanical seal static ring 25. The guide vane 20 is sleeved inside the front cover 27. A PTFE gasket 19 is installed between the water outlet chamber 26 and the front cover 27. The guide vane 20 is sleeved with the water inlet chamber 15. Another PTFE gasket 19 is installed between the guide vane 20 and the water inlet chamber 15. The surface of the welding shaft 37 The surfaces are respectively connected with the positioning sleeve 22, the sleeve 21, the impeller 18, the fixed sleeve locking sleeve 17 and the anti-loosening nut 16, and are used to adjust the water pressure according to the numerical value and to pump water through the setting of the pump assembly 46; the water inlet chamber 15 is used to store water, and the water outlet chamber 26 is used to drain water; the impeller 18 rotates and uses centrifugal force to transfer energy to the water, so that it obtains pressure energy and kinetic energy, thereby realizing water transportation; the guide vane 20 is used to collect the water thrown out by the impeller 18 during the rotation process, to ensure the uniformity of the water flow rate, to avoid direct impact, and to reduce hydraulic loss; and to convert part of the kinetic energy of the water into pressure energy, which plays a pressurizing role; it can also guide the direction of the water so that the water can be discharged evenly.

[0034] refer to Figure 5 The pressurizing assembly 47 includes a pressure tank 6, a five-way valve 11, a rubber pad 10, a check valve body 7, a spring 8, a check valve core 9, a pressure gauge 12, a pressure sensor 13 and a five-way sealing ring 14. The bottom of the five-way valve 11 is threadedly connected to the water outlet chamber 26, and the five-way valve 11 and the water outlet chamber 26 are fixed by a five-way sealing ring 14. The two ends of the five-way valve 11 are threadedly connected to the pressure gauge 12 and the pressure sensor 13 respectively, and the check valve body 7 is threadedly connected to the five-way valve 11. The check valve core 9 is sleeved inside the check valve body 7, the spring 8 is installed between the check valve core 9 and the check valve body 7, and the pressure tank 6 is threadedly connected to the check valve body 7. Through the setting of the pressurizing assembly 47, it is used to pressurize water so that the water pressure reaches the set value.

[0035] Brief description of the usage process: When starting the variable frequency pump for the first time, you must unscrew the air pin 41, fill the pump chamber inside the pump assembly 46 with water, and tighten the air pin 41 after the air in the pump chamber inside the pump assembly 46 is exhausted. Turn on the power, set the corresponding parameters through the keypad 2, start the variable frequency pump, and the electronic control assembly 44 drives the motor assembly 45 to work. Then the motor assembly 45 drives the pump assembly 46 to work. Adjust the power through the pump assembly 46 so that the pressure reaches the set value. Observe the parameters on the control panel and adjust them to the appropriate parameter values ​​by adjusting the up and down key functions.

[0036] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A household intelligent constant pressure variable frequency pump, comprising an electronic control component (44), a motor component (45), a pump component (46) and a pressurizing component (47), characterized in that: The electric control component (44) and the motor component (45) are installed; the motor component (45) and the pump component (46) are installed; the pressurizing component (47) is installed on the top of the pump component (46); the motor component (45) includes a rotor component (451) and a stator component (452), and the rotor component (451) is installed inside the stator component (452). The electric control component (44) includes a junction box cover (1), a junction box (4), a key board (2), a control board (3), a heat sink (5) and a cable (43). The key board (2) is fixedly installed inside the junction box cover (1) by screws, and the control board (3) is bolted to the inside of the junction box (4) by screws. The bottom of the junction box (4) is fixedly connected to the heat sink (5), and the key board (2) and the control board (3) are connected by plugging the cable (43).

2. The household intelligent constant pressure variable frequency pump according to claim 1, characterized in that: The rotor assembly (451) includes a welding shaft (37), a bearing (36), a magnetic steel (38) and a rotor ball (39), wherein the magnetic steel (38) is bonded in a magnetic steel groove of the rotor ball (39), and the rotor ball (39) is sleeved on the middle of the welding shaft (37), and bearings (36) are installed on both sides of the welding shaft (37); The stator assembly (452) comprises a front cover (27), a corrugated washer (30), a housing (29), a rear cover (31), a fan blade (32), a second snap ring (33), a wind shield (34), a foot (35), a coil (40) and a stator core (28). The coil (40) is wound inside the stator core (28). The stator core (28) is sleeved inside the housing (29). The two ends of the housing (29) are fixedly mounted to the front cover (27) and the rear cover (31), respectively. The foot (35) is fixedly connected to the bottom of the front cover (27). The rear cover (31) is fixedly connected to the wind shield (34). The fan blade (32) is sleeved on the welding shaft (37). The fan blade (32) is fixedly connected to the welding shaft (37) through the second snap ring (33).

3. The household intelligent constant pressure variable frequency pump according to claim 2, characterized in that: The pump assembly (46) includes an air nail (41), a fan blade (32), a snap ring (23), a water retaining ring (42), a water inlet chamber (15), a water outlet chamber (26), a guide vane (20), two PTFE gaskets (19), an impeller (18), a locking nut (16), a locking sleeve (17), a sleeve (21), a positioning sleeve (22), a mechanical seal dynamic ring (24) and a mechanical seal static ring (25), the water outlet chamber (26) is sleeved with the front cover (27), and the water outlet chamber (26) and the front cover (27) are connected by a mechanical The sealing static ring (25) is mechanically sealed, the guide vane (20) is sleeved inside the front cover (27), one polytetrafluoroethylene gasket (19) is installed between the water outlet chamber (26) and the front cover (27), the guide vane (20) is sleeved with the water inlet chamber (15), and another polytetrafluoroethylene gasket (19) is installed between the guide vane (20) and the water inlet chamber (15), and the surface of the welding shaft (37) is sleeved with the positioning sleeve (22), the sleeve (21), the impeller (18), the fixed sleeve, the locking sleeve (17) and the anti-loosening nut (16) respectively.

4. The household intelligent constant pressure variable frequency pump according to claim 1, characterized in that: The pressurizing assembly (47) comprises a pressure tank (6), a five-way valve (11), a rubber pad (10), a check valve body (7), a spring (8), a check valve core (9), a pressure gauge (12), a pressure sensor (13) and a five-way sealing ring (14). The bottom of the five-way valve (11) is threadedly connected to the water outlet chamber (26). The five-way valve (11) and the water outlet chamber (26) are fixed via the five-way sealing ring (14). The two ends of the five-way valve (11) are respectively threadedly connected to the pressure gauge (12) and the pressure sensor (13). The check valve body (7) is threadedly connected to the five-way valve (11). The check valve core (9) is sleeved inside the check valve body (7). The spring (8) is installed between the check valve core (9) and the check valve body (7). The pressure tank (6) is threadedly connected to the check valve body (7).

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