A silt-resistant sewage pump with a dredging mechanism

Abstract

The invention discloses a sediment-resistant sewage pump with a dredging mechanism, which relates to the technical field of sewage pumps, and in particular to sediment dredging work of sewage pump pipelines, including a self-dredging module, an information collection module, a dredging operation module, a dredging execution module and a dredging inspection and maintenance module. The invention realizes the dredging of the sewage pump pipeline, further collects information data during the dredging process, and calibrates, calculates, compares and executes the collected information data, thereby realizing self-sensing sediment accumulation and automatic processing, and also realizing inspection and maintenance reminders for sewage pump components, so that the sewage pump automatically dredges the pipeline, and has high intelligence, thereby making the operation steps simpler, saving more manpower, and solving the problem that the sewage pump has poor effect in dredging sediment and is easy to accumulate and adhere to the pipeline.

Description

Technical Field

[0001] The invention relates to the technical field of sewage pumps, and in particular to a sediment-resistant sewage pump with a dredging mechanism. Background Art

[0002] A sewage pump is a combination of a pump and a motor. In industrial production, the sewage pump has obvious advantages such as compact structure, less cavitation damage, low vibration and noise, and no pollution. The scope of application is getting wider and wider. From the original simple use of conveying clean water to now conveying various domestic sewage, industrial wastewater, construction site drainage, liquid feed, etc., it plays an obvious role in all walks of life. However, when the sewage pump is conveying sewage, there is often sediment in the sewage. When the sewage is extracted, the sediment tends to gradually gather and adhere to the inner wall of the pipe. When the sediment accumulates more, it causes sewage discharge to be blocked, and even causes serious damage to the motor. The sewage pump relies on the size of the sewage it extracts to dredge the pipeline. Obviously, the dredging effect is poor. At the same time, if the pipeline is unblocked by stopping the machine, it will cause the problem of low efficiency.

[0003] In view of the above technical defects, a solution is now proposed. Summary of the invention

[0004] The purpose of the present invention is to achieve the dredging of the sewage pump pipeline by setting a self-dredging module, an information collection module, a dredging operation module, a dredging execution module and a dredging maintenance module, and further collect information data during the dredging process, and calibrate, calculate, compare and execute the collected information data, so as to achieve self-sensing silt accumulation and automatic processing, and also realize maintenance reminders for sewage pump components, so that the sewage pump automatically dredges the pipeline with high intelligence, thereby making the operating steps simpler, saving more manpower, and solving the problem that the sewage pump has poor effect in dredging silt and is easy to accumulate and adhere to the pipeline.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A silt-resistant sewage pump with a dredging mechanism, comprising a volute, an electric rotating rod, a sewage fan, an end cover, a sewage inlet pipe and a sewage outlet pipe, wherein the electric rotating rod is rotatably arranged in the volute, the sewage fan is fixedly arranged at the outer end of the electric rotating rod, the volute is respectively connected with the sewage inlet pipe and the sewage outlet pipe, the end cover is installed at one end of the sewage inlet pipe, and further comprises:

[0007] The self-dredging module is used to drive the electric rotating rod and automatically dredge the inside of the sewage inlet pipe;

[0008] An information collection module is used to collect the working condition information of the dredging module and the sewage discharge quality status information of the sewage pump and send it to the dredging operation module;

[0009] The dredging operation module is used to receive the working condition information of the dredging module and the sewage quality status information of the sewage pump to perform operation calculations and generate dredging adjustment control signals, and also send the generated dredging adjustment control signals to the dredging execution module;

[0010] A dredging execution module is used to receive dredging adjustment control signals and control the operation of corresponding components;

[0011] The dredging maintenance module is used to obtain the cumulative duration of the dredging adjustment control signal generated by the dredging operation module, and compare it with the preset value to generate a maintenance prompt text and a full-power operation text; the maintenance prompt text and the full-power operation text are also sent to the app terminal for display.

[0012] Furthermore, the self-dredging module includes a dredging fan, a dredging slide and a transmission assembly. The dredging fan is rotatably arranged inside the sewage inlet pipe, and the dredging fan is arranged at one end of the sewage inlet pipe close to the end cover. The dredging slide is movably arranged in the sewage inlet pipe, and the outer end of the dredging slide slides and slides against the inner wall of the sewage inlet pipe. The transmission assembly is respectively adapted to be connected with the dredging fan and the dredging slide, and one end of the transmission assembly is transmission-connected to the electric rotating rod.

[0013] Furthermore, the dredging slide comprises a reciprocating nut seat, a reciprocating pipe sleeve, a dredging ring sleeve, a dredging ring piece, a connecting rod and a supporting ring sleeve. The supporting ring sleeve and the reciprocating nut seat are fixedly arranged on both sides of the reciprocating pipe sleeve. Two dredging ring pieces are provided, and the dredging ring pieces are symmetrically sleeved on the two ends of the reciprocating pipe sleeve. The two ends of the connecting rod are respectively fixedly connected to the dredging ring piece and the dredging ring sleeve. There are multiple connecting rods, which are distributed in a circular array with the center of the dredging ring piece as the center. The outer end of the dredging ring sleeve abuts the inner wall of the sewage inlet pipe. The dredging ring sleeve is symmetrically provided with sliding grooves, and the sliding grooves are slidably connected with sliding strips, and the sliding strips are fixedly provided on the inner wall of the sewage inlet pipe, and the sliding strips and the sewage inlet pipe are an integrated structure.

[0014] Furthermore, a dredging portion is provided on the opposite side of the dredging ring piece, and the dredging portion is an inclined surface.

[0015] Furthermore, the transmission assembly includes a first connecting rod, a second connecting rod, a reciprocating screw, a first bevel gear and a second bevel gear. The first connecting rod and the second connecting rod are fixedly arranged on both sides of the reciprocating screw. The outer end of the reciprocating screw is threadedly sleeved with the reciprocating nut seat, the reciprocating pipe sleeve and the support ring sleeve are both slidingly connected to the reciprocating screw, the first bevel gear is meshingly connected with the second bevel gear, the first bevel gear is fixedly sleeved on the outer end of the second connecting rod, the second bevel gear is fixedly sleeved on the outer end of the electric rotating rod, the end of the first connecting rod away from the reciprocating screw is rotatably connected to the end cover, and the first connecting rod is fixedly sleeved with the dredging fan.

[0016] Furthermore, the second connecting rotating rod is rotatably connected to a support plate, the support plate is fixedly arranged in the sewage outlet pipe, and the support plate is arranged at the connection between the second connecting rotating rod and the reciprocating screw rod, and the support plate is provided with a sewage discharge through hole.

[0017] Furthermore, the end cover includes a threaded outer sleeve, a supporting inner sleeve and a supporting rod. The threaded outer sleeve is threadedly connected to the end of the sewage inlet pipe away from the volute. The supporting inner sleeve is fixedly connected to the threaded outer sleeve through the supporting rod, and there are multiple supporting rods, which are distributed in a circular array with the center of the supporting inner sleeve as the center.

[0018] Furthermore, the working condition information of the self-draining module collected by the information collection module is composed of the rotation speed value of the reciprocating screw collected in real time by the torque sensor, the displacement speed of the reciprocating nut seat collected in real time by the displacement sensor, the displacement speed of the clearing ring sleeve collected in real time by the displacement sensor and the rotation speed of the clearing fan collected by the torque sensor.

[0019] Furthermore, the sewage quality status information of the sewage pump collected by the information collection module is composed of the rotation speed of the electric rotating rod collected in real time by the torque sensor, the rotation speed of the sewage fan collected in real time by the torque sensor, and the water flow rate of the sewage pipe collected by the water flow sensor.

[0020] A working method of a silt-resistant sewage pump with a dredging mechanism, the specific working steps are as follows:

[0021] Step 1: The information collection module collects the working condition information of the self-dredging module and the sewage discharge quality status information of the sewage pump and sends it to the dredging operation module; wherein the working condition information of the self-dredging module is composed of the rotation speed value of the reciprocating screw collected in real time by the torque sensor, the displacement speed of the reciprocating nut seat collected in real time by the displacement sensor, the displacement speed of the dredging ring sleeve collected in real time by the displacement sensor, and the rotation speed of the dredging fan collected by the torque sensor; and the sewage discharge quality status information of the sewage pump is composed of the rotation speed of the electric rotating rod collected in real time by the torque sensor, the rotation speed of the sewage fan collected in real time by the torque sensor, and the water flow rate of the sewage outlet pipe collected by the water flow sensor;

[0022] Step 2: After receiving the working condition information of the self-dredging module and the sewage quality status information of the sewage pump, the dredging operation module performs calibration operation. The specific calibration operation steps are as follows:

[0023] Sa: The dredging operation module calibrates the reciprocating screw rotation speed value collected by the torque sensor in real time, the reciprocating nut seat displacement speed collected by the displacement sensor in real time, the dredging ring sleeve displacement speed collected by the displacement sensor in real time, and the dredging fan rotation speed collected by the torque sensor as Q, W, R and T respectively, and then according to the formula The sediment dredging efficiency influencing factor A is obtained, where e1, e2, e3, e4 and e5 are weight correction coefficients. The weight correction coefficient makes the calculated result closer to the true value. e5 is greater than e3, greater than e2, greater than e4, greater than e1, and e1+e2+e3+e4+e5=18.15;

[0024] Sb: The dredging operation module also calibrates the rotation speed of the electric rotating rod collected by the torque sensor in real time, the rotation speed of the sewage fan collected by the torque sensor in real time, and the water flow rate of the sewage pipe collected by the water flow sensor as U, H and P respectively, and then calculates the water flow rate of the sewage pipe according to the formula The dynamic influence factor B of the water output is obtained, where k1, k2, k3 and k4 are simulation correction factors. The simulation correction factors make the calculated results closer to the real values. k2 is greater than k1, greater than k3, greater than k4, and k1+k2+k3+k4=9.76;

[0025] Sc: Obtain the real-time sediment dredging efficiency influencing factor A and the real-time water output dynamic influencing factor B, and then use the formula C = k 7 *(k 6 Ak 5 B), obtain the dynamic dredging difference operation factor C, where k5, k6 and k7 are weight correction factors, and the weight correction factor makes the calculated result closer to the true value, where k7 is greater than k5, greater than k6, k7 is greater than 0, k5+k6+k7=7.46;

[0026] When C∈[-k7, k7], no dredging adjustment control signal is generated; when C<-k7, a first dredging adjustment control signal is generated; when C>k7, a second dredging adjustment control signal is generated;

[0027] When the first dredging adjustment control signal or the second dredging adjustment control signal is generated, it is sent to the dredging execution module;

[0028] Step 3, the working state of the sewage pump without generating a dredging adjustment control signal: the electric rotating rod rotates forwardly and drives the sewage fan and the second bevel gear fixed thereto to rotate. After the second bevel gear rotates, it drives the first bevel gear meshing therewith to rotate. After the first bevel gear rotates, it drives the second connecting rotating rod fixed thereto to rotate. After the second connecting rotating rod rotates, it drives the reciprocating screw fixed thereto to rotate. After the reciprocating screw rotates, it drives the first connecting rotating rod fixed thereto to rotate. After the first connecting rotating rod rotates, it drives the dredging fan fixed thereto to rotate. After the dredging fan rotates, it sucks sewage into the sewage inlet pipe. At the same time, the negative pressure suction force generated by the rotation of the sewage fan is transmitted to the sewage inlet pipe, thereby enhancing the efficiency of sucking sewage, sucking it into the volute casing, and then discharging it from the sewage outlet pipe. At this time, the sewage enters the volute casing from the sewage inlet pipe, and then flows out from the volute casing. At the same time, after the reciprocating screw rotates, it drives the reciprocating nut seat threaded therewith to reciprocate horizontally, so that the dredging slide moves horizontally, so that the movement direction of the dredging slide is the same as or opposite to the flow direction of the sewage.

[0029] When the movement direction of the dredging slide is the same as the flow direction of the sewage, its dredging ring sleeve abuts against the inner wall of the sewage outlet pipe and pushes the silt attached to the inner wall of the sewage outlet pipe positively, and cooperates with the thrust given by the sewage flow to make the silt quickly enter the volute. At the same time, the dredging part separates the sewage to its ring side, thereby reducing the flow path of the sewage and accelerating the flow rate of the sewage, thereby achieving the purpose of dredging the pipeline;

[0030] When the movement direction of the dredging slide is opposite to the flow direction of the sewage, its dredging ring sleeve abuts against the inner wall of the sewage outlet pipe and pushes the sediment attached to the inner wall of the sewage outlet pipe in the opposite direction, and cooperates with the positive thrust given by the dredging fan. At this time, the sewage collides violently, so that the sediment is lifted to achieve a better effect of dredging the pipeline;

[0031] Step 4: When the dredging execution module receives the first dredging adjustment control signal, it immediately controls the movement direction of the dredging slider to be different. Specifically, it immediately controls the electric rotating rod to rotate slowly in the reverse direction for a certain period of time, thereby indirectly controlling the dredging slider to move forward or backward, so that the gap between the dredging slider and the sediment accumulated in the sewage inlet pipe becomes larger, which is easy for the sediment to flow, and then controls the electric rotating rod to rotate forward at a high speed and gradually restores to the rotation speed of the normal mode;

[0032] When the dredging execution module receives the second dredging adjustment control signal, it controls the rotation speed of the electric rotating rod to increase, thereby increasing the sewage discharge volume and making the discharge rate reach the maximum value;

[0033] Step 5: After the first dredging adjustment control signal is generated, the dredging maintenance module obtains the accumulated duration of the first dredging adjustment control signal and calibrates it as T0, and also compares T0 with the preset value t0. When T0 is less than t0, no signal is generated, otherwise, the maintenance prompt text is edited;

[0034] After the second dredging adjustment control signal is generated, the dredging maintenance module obtains the accumulated duration of the second dredging adjustment control signal and marks it as T1, and also compares T1 with the preset value t1. When T1 is greater than t1, the full power operation text is edited;

[0035] The edited maintenance reminder text and full power operation text are also sent to the app terminal for display;

[0036] The maintenance reminder text is "The self-draining module of the sewage pump is damaged. Please ask the staff to repair and replace parts in time", and the full-power operation text is "The sewage pump runs at full power for T1, and the electric rotating rod and sewage fan of the sewage pump must be maintained."

[0037] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0038] The present invention, by providing a self-dredging module, an information collection module, a dredging operation module, a dredging execution module and a dredging maintenance module, realizes the dredging of the sewage pump pipeline. It further collects information data during the dredging process, and calibrates, calculates, compares and executes the collected information data, thereby realizing self-sensing of silt accumulation and automatic processing, and also realizes maintenance reminders for sewage pump components, so that the sewage pump automatically dredges the pipeline, has high intelligence, thereby making the operating steps simpler, saving more manpower, and solving the problem that the sewage pump has poor effect in dredging silt and is easy to accumulate and adhere to the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 A schematic diagram of a process provided according to the present invention is shown;

[0040] Figure 2 Shows a front view of the self-draining module provided according to the present invention;

[0041] Figure 3 shows a side view of an end cap provided according to the present invention;

[0042] Figure 4 Shows a front view of the dredging slide provided according to the present invention;

[0043] Figure 5 Shows Figure 2 Sectional view at AA;

[0044] Figure 6 Shows Figure 5 A partial enlarged view of point B;

[0045] Legend: 1. Volute; 2. Sewage inlet pipe; 3. Sewage outlet pipe; 4. Electric rotating rod; 5. Sewage fan; 6. Dredge fan; 7. Dredge slide; 8. Transmission assembly; 9. End cover; 10. Support plate; 11. Sewage through hole; 701. Reciprocating nut seat; 702. Reciprocating pipe sleeve; 703. Dredge ring; 704. Dredge ring sleeve; 705. Connecting rod; 706. Slide groove; 707. Slide bar; 708. Dredge part; 709. Support ring sleeve; 801. First connecting rotating rod; 802. Second connecting rotating rod; 803. Reciprocating screw rod; 804. First bevel gear; 805. Second bevel gear; 901. Threaded outer sleeve; 902. Support inner sleeve; 903. Support rod. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0047] Embodiment 1:

[0048] like Figure 2 -6, a sediment-resistant sewage pump with a dredging mechanism, including a volute 1, an electric rotating rod 4, a sewage fan 5, an end cover 9, a sewage inlet pipe 2, a sewage outlet pipe 3 and a self-dredging module, the electric rotating rod 4 is rotatably arranged in the volute 1, the sewage fan 5 is fixedly arranged at the outer end of the electric rotating rod 4, the volute 1 is respectively connected with the sewage inlet pipe 2 and the sewage outlet pipe 3, the end cover 9 is installed at one end of the sewage inlet pipe 2, the end cover 9 includes a threaded outer sleeve 901, a supporting inner sleeve 902 and a supporting rod 903, the threaded outer sleeve 901 is threadedly sleeved with the end of the sewage inlet pipe 2 away from the volute 1, the supporting inner sleeve 902 is fixedly connected with the threaded outer sleeve 901 through the supporting rod 903, and a plurality of supporting rods 903 are provided, which are distributed in a circular array with the center of the supporting inner sleeve 902 as the center;

[0049] The self-dredging module is used to drive and connect the electric rotating rod 4 and automatically dredge the inside of the sewage inlet pipe 2. The self-dredging module includes a dredging fan 6, a dredging slide 7 and a transmission assembly 8. The dredging fan 6 is rotatably arranged inside the sewage inlet pipe 2, and the dredging fan 6 is arranged at one end of the sewage inlet pipe 2 close to the end cover 9. The dredging slide 7 is movably arranged in the sewage inlet pipe 2, and the outer end of the dredging slide 7 slides against the inner wall of the sewage inlet pipe 2. The transmission assembly 8 is respectively adapted to be connected with the dredging fan 6 and the dredging slide 7, and one end of the transmission assembly 8 is transmission-connected with the electric rotating rod 4;

[0050] The dredging slide 7 includes a reciprocating nut seat 701, a reciprocating sleeve 702, a dredging ring sleeve 704, a dredging ring piece 703, a connecting rod 705 and a supporting ring sleeve 709. The supporting ring sleeve 709 and the reciprocating nut seat 701 are fixedly arranged on both sides of the reciprocating sleeve 702. There are two dredging ring pieces 703, and the dredging ring pieces 703 are symmetrically sleeved on the two ends of the reciprocating sleeve 702. The two ends of the connecting rod 705 are fixedly connected to the dredging ring piece 703 and the dredging ring sleeve 704 respectively. , a plurality of connecting rods 705 are arranged, which are distributed in a circular array with the center of the dredging ring piece 703 as the center, the outer end of the dredging ring sleeve 704 abuts against the inner wall of the sewage inlet pipe 2, and the dredging ring sleeve 704 is symmetrically provided with a slide groove 706, and the slide groove 706 is slidably connected with a slide bar 707, and the slide bar 707 is fixedly arranged at the inner wall of the sewage inlet pipe 2, and the slide bar 707 and the sewage inlet pipe 2 are an integrated structure, and a dredging portion 708 is provided on the opposite side of the dredging ring piece 703, and the dredging portion 708 is an inclined surface;

[0051] The transmission assembly 8 includes a first connecting rod 801, a second connecting rod 802, a reciprocating screw rod 803, a first bevel gear 804 and a second bevel gear 805. The first connecting rod 801 and the second connecting rod 802 are fixedly arranged on both sides of the reciprocating screw rod 803. The outer end of the reciprocating screw rod 803 is threadedly sleeved with the reciprocating nut seat 701. The reciprocating sleeve 702 and the support ring sleeve 709 are both slidably connected to the reciprocating screw rod 803. The first bevel gear 804 is meshed with the second bevel gear 805. The first bevel gear 80 4 is fixedly sleeved on the outer end of the second connecting rod 802, the second bevel gear 805 is fixedly sleeved on the outer end of the electric rotating rod 4, the end of the first connecting rod 801 away from the reciprocating screw rod 803 is rotatably connected to the end cover 9, the first connecting rod 801 is fixedly sleeved with the dredging fan 6, the second connecting rod 802 is rotatably connected with the support plate 10, the support plate 10 is fixedly arranged in the sewage outlet pipe 3, and the support plate 10 is arranged at the connection between the second connecting rod 802 and the reciprocating screw rod 803, and the support plate 10 is provided with a sewage discharge through hole 11;

[0052] Working principle: when in use: the electric rotating rod 4 rotates forwardly and drives the exhaust fan 5 and the second bevel gear 805 fixed thereto to rotate; the second bevel gear 805 rotates and drives the first bevel gear 804 meshing therewith to rotate; the first bevel gear 804 rotates and drives the second connecting rotating rod 802 fixed thereto to rotate; the second connecting rotating rod 802 rotates and drives the reciprocating screw 803 fixed thereto to rotate; the reciprocating screw 803 rotates and drives the first connecting rotating rod 801 fixed thereto to rotate; the first connecting rotating rod 801 rotates and drives the drainage fan 5 and the second bevel gear 804 meshing therewith to rotate; the first bevel gear 804 rotates and drives the second connecting rotating rod 802 fixed thereto to rotate; the second connecting rotating rod 802 rotates and drives the reciprocating screw 803 fixed thereto to rotate; the reciprocating screw 803 rotates and drives the first connecting rotating rod 801 fixed thereto to rotate; the The fan 6 rotates, and the dredging fan 6 rotates to suck the sewage into the sewage inlet pipe 2. At the same time, the sewage discharge fan 5 rotates to generate negative pressure suction and transmit it to the sewage inlet pipe 2, thereby enhancing the efficiency of sucking sewage, sucking it into the volute 1, and then discharging it from the sewage outlet pipe 3. At this time, the sewage enters the volute 1 from the sewage inlet pipe 2, and then flows out of the volute 1. At the same time, the reciprocating screw 803 rotates to drive the reciprocating nut seat 701 threadedly connected thereto to reciprocate horizontally, so that the dredging slide 7 reciprocates horizontally, so that the movement direction of the dredging slide 7 is the same as or opposite to the flow direction of the sewage;

[0053] When the movement direction of the dredging slide 7 is the same as the flow direction of the sewage, the dredging ring sleeve 704 abuts against the inner wall of the sewage outlet pipe 3 and pushes the silt attached to the inner wall of the sewage outlet pipe 3 in a positive direction, and cooperates with the thrust given by the sewage flow to make the silt quickly enter the volute 1. At the same time, the dredging part 708 separates the sewage to its ring side, thereby reducing the flow path of the sewage and accelerating the flow rate of the sewage, thereby achieving the purpose of dredging the pipeline;

[0054] When the movement direction of the dredging slide 7 is opposite to the flow direction of the sewage, the dredging ring sleeve 704 abuts against the inner wall of the sewage outlet pipe 3 and pushes the mud and sand attached to the inner wall of the sewage outlet pipe 3 in the opposite direction, and cooperates with the positive thrust given by the dredging fan 6. At this time, the sewage collides violently, thereby raising the mud and sand to achieve a better effect of dredging the pipeline, making it difficult for the mud and sand to adhere to the pipeline.

[0055] Embodiment 2:

[0056] In Example 1, the dredging slide 7 moves back and forth in contact with the inner wall of the sewage inlet pipe 2, thereby dredging the inside of the sewage inlet pipe 2. However, when the sewage silt content is too high, when the dredging slide 7 reciprocates, especially when it is opposite to the flow direction of the sewage, it is easy to cause silt accumulation on the dredging slide 7. When the silt accumulation is large, it will affect the operation of the component, thereby reducing the dredging effect.

[0057] like Figure 1 - Figure 6 The silt-resistant sewage pump with a dredging mechanism further comprises:

[0058] An information collection module is used to collect the working condition information of the self-dredging module and the sewage discharge quality status information of the sewage pump and send them to the dredging operation module; wherein the working condition information of the self-dredging module collected by the information collection module is composed of the rotation speed value of the reciprocating screw 803 collected in real time by the torque sensor, the displacement speed of the reciprocating nut seat 701 collected in real time by the displacement sensor, the displacement speed of the dredging ring sleeve 704 collected in real time by the displacement sensor, and the rotation speed of the dredging fan 6 collected by the torque sensor; the sewage discharge quality status information of the sewage pump collected by the information collection module is composed of the rotation speed of the electric rotating rod 4 collected in real time by the torque sensor, the rotation speed of the sewage fan 5 collected in real time by the torque sensor, and the water flow rate of the sewage outlet pipe 3 collected by the water flow sensor;

[0059] The dredging operation module is used to receive the working condition information of the dredging module and the sewage quality status information of the sewage pump to perform operation calculations and generate dredging adjustment control signals, and also send the generated dredging adjustment control signals to the dredging execution module;

[0060] A dredging execution module is used to receive dredging adjustment control signals and control the operation of corresponding components;

[0061] The dredging maintenance module is used to obtain the cumulative duration of the dredging adjustment control signal generated by the dredging operation module, and compare it with the preset value to generate a maintenance prompt text and a full-power operation text; the maintenance prompt text and the full-power operation text are also sent to the app terminal for display;

[0062] The operation steps are as follows:

[0063] Step 1: The information collection module collects the working condition information of the self-dredging module and the sewage discharge quality status information of the sewage pump and sends it to the dredging operation module; wherein the working condition information of the self-dredging module is composed of the rotation speed value of the reciprocating screw 803 collected in real time by the torque sensor, the displacement speed of the reciprocating nut seat 701 collected in real time by the displacement sensor, the displacement speed of the dredging ring sleeve 704 collected in real time by the displacement sensor, and the rotation speed of the dredging fan 6 collected by the torque sensor; and the sewage discharge quality status information of the sewage pump is composed of the rotation speed of the electric rotating rod 4 collected in real time by the torque sensor, the rotation speed of the sewage fan 5 collected in real time by the torque sensor, and the water flow rate of the sewage outlet pipe 3 collected by the water flow sensor;

[0064] Step 2: After receiving the working condition information of the self-dredging module and the sewage quality status information of the sewage pump, the dredging operation module performs calibration operation. The specific calibration operation steps are as follows:

[0065] Sa: The dredging operation module calibrates the rotation speed value of the reciprocating screw 803 collected in real time by the torque sensor, the displacement speed of the reciprocating nut seat 701 collected in real time by the displacement sensor, the displacement speed of the dredging ring 704 collected in real time by the displacement sensor, and the rotation speed of the dredging fan 6 collected by the torque sensor as Q, W, R and T respectively, and then according to the formula The sediment dredging efficiency influencing factor A is obtained, where e1, e2, e3, e4 and e5 are weight correction coefficients. The weight correction coefficient makes the calculated result closer to the true value. e5 is greater than e3, greater than e2, greater than e4, greater than e1, and e1+e2+e3+e4+e5=18.15;

[0066] The dynamic change of sediment content is judged by the size of the sediment dredging efficiency influencing factor, and then the operation mode of the self-dredging module is adjusted according to the influence of the dynamic change of sediment content on the operation efficiency of the self-dredging module;

[0067] Sb: The dredging operation module also calibrates the rotation speed of the electric rotating rod 4 collected in real time by the torque sensor, the rotation speed of the sewage fan 5 collected in real time by the torque sensor, and the water flow rate of the sewage pipe 3 collected by the water flow sensor as U, H and P respectively, and then according to the formula The dynamic influence factor B of the water output is obtained, where k1, k2, k3 and k4 are simulation correction factors. The simulation correction factors make the calculated results closer to the real values. k2 is greater than k1, greater than k3, greater than k4, and k1+k2+k3+k4=9.76;

[0068] Through the dynamic influencing factor B of the water output, the difference in sediment content is fed back in real time, thus causing the change in the operating efficiency of the sewage pump components, thereby causing the change in the water output flow;

[0069] Sc: Obtain the real-time sediment dredging efficiency influencing factor A and the real-time water output dynamic influencing factor B, and then use the formula C = k 7 *(k 6 Ak 5 B), obtain the dynamic dredging difference operation factor C, where k5, k6 and k7 are weight correction factors, and the weight correction factor makes the calculated result closer to the true value, where k7 is greater than k5, greater than k6, k7 is greater than 0, k5+k6+k7=7.46;

[0070] When C∈[-k7, k7], no dredging adjustment control signal is generated; when C<-k7, a first dredging adjustment control signal is generated; when C>k7, a second dredging adjustment control signal is generated;

[0071] When the first dredging adjustment control signal or the second dredging adjustment control signal is generated, it is sent to the dredging execution module;

[0072] Step 4: When the dredging execution module receives the first dredging adjustment control signal, it immediately controls the movement direction of the dredging slider 7 to be different. Specifically, it immediately controls the electric rotating rod 4 to rotate slowly in the reverse direction for a certain period of time, thereby indirectly controlling the dredging slider 7 to move forward or backward, so that the gap between the dredging slider 7 and the sediment accumulated in the sewage inlet pipe 2 becomes larger, which is easy for the sediment to flow, and then controls the electric rotating rod 4 to rotate forward at a high speed and gradually restores to the rotation speed of the normal mode;

[0073] When the dredging execution module receives the second dredging adjustment control signal, it controls the rotation speed of the electric rotating rod 4 to increase, thereby increasing the sewage discharge amount and making the discharge rate reach the maximum value;

[0074] Step 5: After the first dredging adjustment control signal is generated, the dredging maintenance module obtains the accumulated duration of the first dredging adjustment control signal and calibrates it as T0, and also compares T0 with the preset value t0. When T0 is less than t0, no signal is generated, otherwise, the maintenance prompt text is edited;

[0075] After the second dredging adjustment control signal is generated, the dredging maintenance module obtains the accumulated duration of the second dredging adjustment control signal and marks it as T1, and also compares T1 with the preset value t1. When T1 is greater than t1, the full power operation text is edited;

[0076] The edited maintenance reminder text and full power operation text are also sent to the app terminal for display;

[0077] The maintenance reminder text is "The self-draining module of the sewage pump is damaged, please ask the staff to repair and replace the parts in time", and the full-power operation text is "The sewage pump runs at full power for a duration of T1, and the electric rotary rod 4 and sewage fan 5 of the sewage pump are maintained";

[0078] In summary of the above technical scheme: The present invention sets an information collection module, a dredging operation module, a dredging execution module and a dredging maintenance module, and through the collection, calculation, comparison and processing of the information on the operation of the sewage pump, on the basis of realizing self-sensing silt accumulation and automatic processing, further realizes the maintenance reminder of the sewage pump, so that the sewage pump automatically dredges the pipeline, has high intelligence, thereby making the operating steps simpler and saving more manpower.

[0079] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A silt-resistant sewage pump with a dredging mechanism, comprising a volute (1), an electric rotating rod (4), a sewage discharge fan (5), an end cover (9), a sewage inlet pipe (2) and a sewage outlet pipe (3), wherein the electric rotating rod (4) is rotatably arranged in the volute (1), the sewage discharge fan (5) is fixedly arranged at the outer end of the electric rotating rod (4), the volute (1) is respectively connected to the sewage inlet pipe (2) and the sewage outlet pipe (3), and the end cover (9) is installed at one end of the sewage inlet pipe (2), characterized in that: Also includes: A self-dredging module, used for driving and connecting the electric rotating rod (4) and automatically dredging the interior of the sewage inlet pipe (2); An information collection module is used to collect the working condition information of the dredging module and the sewage discharge quality status information of the sewage pump and send it to the dredging operation module; The dredging operation module is used to receive the working condition information of the dredging module and the sewage quality status information of the sewage pump to perform operation calculations and generate dredging adjustment control signals, and also send the generated dredging adjustment control signals to the dredging execution module; A dredging execution module is used to receive dredging adjustment control signals and control the operation of corresponding components; The dredging maintenance module is used to obtain the cumulative duration of the dredging adjustment control signal generated by the dredging operation module, and compare it with the preset value to generate a maintenance prompt text and a full-power operation text; the maintenance prompt text and the full-power operation text are also sent to the app terminal for display; The self-dredging module comprises a dredging fan (6), a dredging slide (7) and a transmission assembly (8); the dredging fan (6) is rotatably arranged inside the sewage inlet pipe (2), and the dredging fan (6) is arranged at one end of the sewage inlet pipe (2) close to the end cover (9); the dredging slide (7) is movably arranged in the sewage inlet pipe (2), and the outer end of the dredging slide (7) is slidably abutted against the inner wall of the sewage inlet pipe (2); the transmission assembly (8) is respectively adapted to be connected to the dredging fan (6) and the dredging slide (7), and one end of the transmission assembly (8) is transmission-connected to the electric rotating rod (4); The dredging sliding member (7) comprises a reciprocating nut seat (701), a reciprocating pipe sleeve (702), a dredging ring sleeve (704), a dredging ring piece (703), a connecting rod (705) and a supporting ring sleeve (709). The supporting ring sleeve (709) and the reciprocating nut seat (701) are fixedly arranged on both sides of the reciprocating pipe sleeve (702). Two dredging ring pieces (703) are provided, and the dredging ring pieces (703) are symmetrically sleeved on the two ends of the reciprocating pipe sleeve (702). The two ends of the connecting rod (705) are respectively connected to the dredging ring pieces. (703) and the dredging ring (704) are fixedly connected, a plurality of connecting rods (705) are provided, and are distributed in a circular array with the center of the dredging ring (703) as the center, the outer end of the dredging ring (704) abuts against the inner wall of the sewage inlet pipe (2), the dredging ring (704) is symmetrically provided with sliding grooves (706), the sliding grooves (706) are slidably connected with sliding bars (707), and the sliding bars (707) are fixedly provided on the inner wall of the sewage inlet pipe (2), and the sliding bars (707) and the sewage inlet pipe (2) are an integrated structure; A dredging portion (708) is provided on the opposite side of the dredging ring piece (703), and the dredging portion (708) is an inclined surface; The transmission assembly (8) comprises a first connecting rotating rod (801), a second connecting rotating rod (802), a reciprocating screw rod (803), a first bevel gear (804) and a second bevel gear (805); the first connecting rotating rod (801) and the second connecting rotating rod (802) are fixedly arranged on both sides of the reciprocating screw rod (803); the outer end of the reciprocating screw rod (803) is threadedly sleeved with a reciprocating nut seat (701); the reciprocating screw rod (803) is respectively connected to the reciprocating sleeve (702) and the support nut seat (701). The support ring sleeve (709) is slidably connected, the first bevel gear (804) is meshedly connected with the second bevel gear (805), the first bevel gear (804) is fixedly sleeved on the outer end of the second connecting rotating rod (802), the second bevel gear (805) is fixedly sleeved on the outer end of the electric rotating rod (4), the end of the first connecting rotating rod (801) away from the reciprocating screw rod (803) is rotatably connected to the end cover (9), and the first connecting rotating rod (801) is fixedly sleeved with the dredging fan (6); The second connecting rotating rod (802) is rotatably connected to a support plate (10), the support plate (10) is fixedly arranged in the sewage outlet pipe (3), and the support plate (10) is arranged at the connection between the second connecting rotating rod (802) and the reciprocating screw rod (803), and the support plate (10) is provided with a sewage discharge through hole (11); The specific steps of the working method of the silt-resistant sewage pump with a dredging mechanism are as follows: Step 1: The information collection module collects the working condition information of the self-dredging module and the sewage discharge quality status information of the sewage pump and sends them to the dredging operation module; wherein the working condition information of the self-dredging module is composed of the rotation speed value of the reciprocating screw (803) collected in real time by the torque sensor, the displacement speed of the reciprocating nut seat (701) collected in real time by the displacement sensor, the displacement speed of the dredging ring sleeve (704) collected in real time by the displacement sensor, and the rotation speed of the dredging fan (6) collected in real time by the torque sensor; and the sewage discharge quality status information of the sewage pump is composed of the rotation speed of the electric rotating rod (4) collected in real time by the torque sensor, the rotation speed of the sewage discharge fan (5) collected in real time by the torque sensor, and the water flow rate of the sewage outlet pipe (3) collected by the water flow sensor; Step 2: After receiving the working condition information of the self-dredging module and the sewage quality status information of the sewage pump, the dredging operation module performs calibration operation. The specific calibration operation steps are as follows: Sa: The dredging operation module calibrates the rotation speed value of the reciprocating screw (803) collected in real time by the torque sensor, the displacement speed of the reciprocating nut seat (701) collected in real time by the displacement sensor, the displacement speed of the dredging ring (704) collected in real time by the displacement sensor, and the rotation speed of the dredging fan (6) collected by the torque sensor as Q, W, R and T respectively, and then calibrates the rotation speed value of the reciprocating screw (803) collected in real time ... nut seat (701) collected in real time by the displacement sensor as , we get the sediment dredging efficiency influencing factor A, where e1, e2, e3, e4 and e5 are weight correction coefficients. The weight correction coefficients make the calculated result closer to the true value. e5 is greater than e3, greater than e2, greater than e4, greater than e1. e1+e2+e3+e4+e5=18.15; Sb: The dredging operation module also calibrates the rotation speed of the electric rotating rod (4) collected in real time by the torque sensor, the rotation speed of the sewage fan (5) collected in real time by the torque sensor, and the water flow rate of the sewage outlet pipe (3) collected by the water flow sensor as U, H and P respectively, and then calculates the value of the water flow rate according to the formula , the dynamic influence factor B of water output is obtained, where k1, k2, k3 and k4 are simulation correction factors. The simulation correction factors make the calculated results closer to the real values. k2 is greater than k1, k3 and k4, k1+k2+k3+k4=9.76; Sc: Obtain the real-time sediment dredging efficiency influencing factor A and the real-time water output dynamic influencing factor B, and then use the formula , and obtain the dynamic dredging difference operation factor C, where k5, k6 and k7 are weight correction factors. The weight correction factor makes the calculated result closer to the true value, where k7 is greater than k5, greater than k6, k7 is greater than 0, k5+k6+k7=7.46; When C∈[-k7, k7], no dredging adjustment control signal is generated; when C<-k7, a first dredging adjustment control signal is generated; when C>k7, a second dredging adjustment control signal is generated; When the first dredging adjustment control signal or the second dredging adjustment control signal is generated, it is sent to the dredging execution module; Step 3: The working state of the sewage pump without generating a dredging adjustment control signal: the electric rotating rod (4) rotates forward and drives the sewage fan (5) and the second bevel gear (805) fixed thereto to rotate; the second bevel gear (805) rotates and drives the first bevel gear (804) meshed therewith to rotate; the first bevel gear (804) rotates and drives the second connecting rotating rod (802) fixed thereto to rotate; the second connecting rotating rod (802) rotates and drives the reciprocating screw (803) fixed thereto to rotate; the reciprocating screw (803) rotates and drives the first connecting rotating rod (801) fixed thereto to rotate; the first connecting rotating rod (801) rotates and drives the reciprocating screw (803) fixed thereto to rotate. The fixed dredging fan (6) rotates, and the dredging fan (6) sucks the sewage into the sewage inlet pipe (2). At the same time, the sewage discharge fan (5) rotates to generate negative pressure suction force which is transmitted to the sewage inlet pipe (2), thereby enhancing the efficiency of sucking the sewage, sucking it into the volute (1), and then discharging it from the sewage outlet pipe (3). At this time, the sewage enters the volute (1) from the sewage inlet pipe (2), and then flows out of the volute (1). At the same time, the reciprocating screw (803) rotates to drive the reciprocating nut seat (701) threadedly connected thereto to reciprocate horizontally, so that the dredging slide (7) reciprocates horizontally, so that the movement direction of the dredging slide (7) is the same as or opposite to the flow direction of the sewage. When the movement direction of the dredging slide (7) is the same as the flow direction of the sewage, the dredging ring (704) thereof abuts against the inner wall of the sewage outlet pipe (3) and pushes the silt attached to the inner wall of the sewage outlet pipe (3) in a positive direction, and cooperates with the thrust given by the flow of sewage to allow the silt to quickly enter the volute (1). At the same time, the dredging part (708) separates the sewage toward its ring side, thereby reducing the flow path of the sewage and accelerating the flow rate of the sewage, thereby achieving the purpose of dredging the pipeline; When the movement direction of the dredging slide (7) is opposite to the flow direction of the sewage, the dredging ring (704) abuts against the inner wall of the sewage outlet pipe (3) and pushes the silt attached to the inner wall of the sewage outlet pipe (3) in the opposite direction, and cooperates with the positive thrust given by the dredging fan (6), at this time, the sewage collides violently, thereby raising the silt to achieve a better effect of dredging the pipeline; Step 4: when the dredging execution module receives the first dredging adjustment control signal, it immediately controls the movement direction of the dredging slider (7) to be different. Specifically, it immediately controls the electric rotating rod (4) to rotate slowly in the reverse direction for a certain period of time, thereby indirectly controlling the dredging slider (7) to move forward or backward, so that the gap between the dredging slider (7) and the sediment accumulated in the sewage inlet pipe (2) becomes larger, making it easier for the sediment to flow, and then controls the electric rotating rod (4) to rotate forward at a high speed and gradually restores the rotation speed to the normal mode; When the dredging execution module receives the second dredging adjustment control signal, it controls the rotation speed of the electric rotating rod (4) to increase, thereby increasing the sewage discharge volume and making the discharge rate reach a maximum value; Step 5: After the first dredging adjustment control signal is generated, the dredging maintenance module obtains the accumulated duration of the first dredging adjustment control signal and calibrates it as T0, and also compares T0 with the preset value t0. When T0 is less than t0, no signal is generated, otherwise, the maintenance prompt text is edited; After the second dredging adjustment control signal is generated, the dredging maintenance module obtains the accumulated duration of the second dredging adjustment control signal and marks it as T1, and also compares T1 with the preset value t1. When T1 is greater than t1, the full power operation text is edited; The edited maintenance reminder text and full power operation text are also sent to the app terminal for display; The maintenance reminder text is "The self-draining module of the sewage pump is damaged. Please ask the staff to repair and replace the parts in time", and the full-power operation text is "The sewage pump runs at full power for a duration of T1, and the electric rotating rod (4) and sewage fan (5) of the sewage pump are maintained." 2. A silt-resistant sewage pump with a dredging mechanism according to claim 1, characterized in that: The end cover (9) comprises a threaded outer sleeve (901), a supporting inner sleeve (902) and a supporting rod (903); the threaded outer sleeve (901) is threadably sleeved with the end of the sewage inlet pipe (2) away from the volute (1); the supporting inner sleeve (902) is fixedly connected to the threaded outer sleeve (901) via the supporting rod (903); and a plurality of supporting rods (903) are provided and are distributed in a circular array with the center of the supporting inner sleeve (902) as the center.

3. A sediment-resistant sewage pump with a dredging mechanism according to claim 1, characterized in that: The working condition information of the self-dredging module collected by the information collection module is composed of the rotation speed value of the reciprocating screw (803) collected in real time by the torque sensor, the displacement speed of the reciprocating nut seat (701) collected in real time by the displacement sensor, the displacement speed of the dredging ring sleeve (704) collected in real time by the displacement sensor, and the rotation speed of the dredging fan (6) collected by the torque sensor.

4. A sediment-resistant sewage pump with a dredging mechanism according to claim 1, characterized in that: The sewage discharge quality status information of the sewage discharge pump collected by the information collection module is composed of the rotation speed of the electric rotating rod (4) collected in real time by the torque sensor, the rotation speed of the sewage discharge fan (5) collected in real time by the torque sensor, and the water flow rate of the sewage discharge pipe (3) collected by the water flow sensor.

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