Water collecting pit water pump device with automatic inspection function
The automatic inspection system for sump pumps utilizes components such as motors, relays, and three-phase current detection circuits to achieve automatic fault detection and communication. This solves the problem of motor damage caused by prolonged inactivity of the sump pump, reduces costs, and extends the motor's lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 深圳招商建筑科技有限公司
- Filing Date
- 2025-06-03
- Publication Date
- 2026-04-17
AI Technical Summary
Existing sump pumps are prone to jamming of rotating parts when not in use for extended periods, and are susceptible to motor damage during operation. Furthermore, manual inspections are costly, easily falsified, and fail to detect problems in a timely manner.
Design an automatic inspection sump pump device, including a motor, relay, three-phase current detection circuit, fault indicator circuit, fault code display circuit, controller and communication circuit. The three-phase current detection circuit detects the motor's electrical energy, and the controller controls the relay and fault indicator circuit to operate, realizing automatic inspection and communication with the monitoring center.
It eliminates the need for manual inspections, reduces costs, extends motor lifespan through current detection, and promptly detects and alarms faults.
Smart Images
Figure CN224134804U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of sump pump devices, and in particular to an automatic inspection sump pump device. Background Technology
[0002] With the increasing number of high-rise buildings in my country, underground parking garages have been built to meet parking demand, requiring sump pits and pumps to drain water outside. Generally, these pumps operate only during the rainy season and remain inactive at other times. Prolonged inactivity can cause rotating parts to jam, and if this isn't detected during operation, it can damage the motor and even lead to flooding of the garage. Furthermore, labor costs are high and workloads are heavy; manual inspections of pumps are easily falsified, and some pump problems go undetected. Therefore, developing an automated sump pump system has become a pressing technical challenge for those skilled in the art. Utility Model Content
[0003] The technical problem solved by this utility model is to provide a low-cost, automatic inspection water pump device for sump pits that can extend the service life of motors.
[0004] This utility model provides an automatic inspection device for a sump pump, including a motor, a relay, a three-phase current detection circuit, a fault indicator circuit, a fault code display circuit, a controller, and a communication circuit. The motor drives the sump pump; the relay is electrically connected to the motor and controls its operation; the three-phase current detection circuit is electrically connected to the controller and detects the three-phase electrical energy input to the motor; both the fault indicator circuit and the fault code display circuit are electrically connected to the controller; the controller is electrically connected to the relay and controls the relay, the fault indicator circuit, and the fault code display circuit to operate according to the signal input from the three-phase current detection circuit; the communication circuit is electrically connected to the controller and communicates with a monitoring center.
[0005] In one embodiment, the automatically inspected sump pump device further includes a buzzer, which is electrically connected to the controller.
[0006] In one embodiment, the automatically inspected sump pump device further includes a reset circuit, which is electrically connected to the controller.
[0007] In one embodiment, the fault code display circuit is a digital tube display circuit.
[0008] In one embodiment, the three-phase current detection circuit includes a first current detection unit, a second current detection unit, a third current detection unit, and a light-emitting diode. The first current detection unit includes a first inductor, a first rectifier diode, a first resistor, a first capacitor, and a first transistor. The first end of the first inductor is electrically connected to the anode of the first rectifier diode, and the second end of the first inductor is electrically connected to the emitter of the first transistor. The cathode of the first rectifier diode is electrically connected to the first end of the first resistor, and the second end of the first resistor is electrically connected to the base of the first transistor.
[0009] The first terminal of the first capacitor is electrically connected to the cathode of the first rectifier diode, and the second terminal of the first capacitor is electrically connected to the second terminal of the first inductor; the collector of the first transistor is electrically connected to the power supply, and the emitter of the first transistor is electrically connected to the second current detection unit; the second current detection unit is electrically connected to the third current detection unit; the anode of the light-emitting diode is electrically connected to the collector of the first transistor, and the cathode of the light-emitting diode is electrically connected to the controller.
[0010] In one embodiment, the second current detection unit includes a second inductor, a second rectifier diode, a second resistor, a second capacitor, and a second transistor. The first end of the second inductor is electrically connected to the anode of the second rectifier diode, and the second end of the second inductor is electrically connected to the emitter of the second transistor.
[0011] The cathode of the second rectifier diode is electrically connected to the first end of the second resistor, and the second end of the second resistor is electrically connected to the base of the second transistor; the first end of the second capacitor is electrically connected to the cathode of the second rectifier diode, and the second end of the second capacitor is electrically connected to the second end of the second inductor; the collector of the second transistor is electrically connected to the emitter of the first transistor, and the emitter of the second transistor is electrically connected to the third current detection unit.
[0012] In one embodiment, the third current detection unit includes a third inductor, a third rectifier diode, a third resistor, a third capacitor, and a third transistor. The first end of the third inductor is electrically connected to the anode of the third rectifier diode, and the second end of the third inductor is electrically connected to the emitter of the third transistor.
[0013] The cathode of the third rectifier diode is electrically connected to the first end of the third resistor, and the second end of the third resistor is electrically connected to the base of the third transistor; the first end of the third capacitor is electrically connected to the cathode of the third rectifier diode, and the second end of the third capacitor is electrically connected to the second end of the third inductor; the collector of the third transistor is electrically connected to the emitter of the second transistor, and the emitter of the third transistor is grounded.
[0014] In one embodiment, the three-phase current detection circuit further includes a fourth resistor, the first end of which is electrically connected to the collector of the first transistor, the second end of which is electrically connected to the anode of the light-emitting diode, and the light-emitting diode is electrically connected to the collector of the first transistor through the fourth resistor.
[0015] In one embodiment, the three-phase current detection circuit further includes a fifth resistor, the first end of which is electrically connected to the collector of the third transistor, the second end of which is grounded, and the emitter of the third transistor is grounded through the fifth resistor.
[0016] In one embodiment, the first end of the fifth resistor is electrically connected to the controller and the cathode of the light-emitting diode.
[0017] This invention offers the following advantages: Through the coordination of a motor, relay, three-phase current detection circuit, fault indicator circuit, fault code display circuit, controller, and communication circuit, the motor drives the sump pump. The relay is electrically connected to the motor to control its operation. The three-phase current detection circuit is electrically connected to the controller to detect the three-phase electrical energy input to the motor. Both the fault indicator circuit and the fault code display circuit are electrically connected to the controller. The controller is electrically connected to the relay and controls the relay, fault indicator circuit, and fault code display circuit based on the signal input from the three-phase current detection circuit. The communication circuit is electrically connected to the controller for communication with the monitoring center. Therefore, manual inspection is unnecessary, reducing user costs. Furthermore, by detecting the three-phase electrical energy input to the motor through the three-phase current detection circuit, and then controlling the relay based on the detected energy, the controller can control the motor's operation, thus extending the motor's service life. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the automatic inspection sump pump device of this utility model.
[0019] Figure 2This is a circuit diagram of the three-phase current detection circuit of the automatic inspection sump pump device of this utility model. Detailed Implementation
[0020] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, embodiments of the present invention and the various features thereof can be combined with each other, all of which are within the protection scope of the present invention.
[0021] Please see Figure 1 and Figure 2 This utility model provides an automatic inspection device for a sump pump, including a motor 1, a relay 2, a three-phase current detection circuit 3, a fault indicator circuit 4, a fault code display circuit 5, a controller 6, and a communication circuit 7. The motor 1 drives the sump pump to pump water out of the sump. The relay 2 is electrically connected to the motor 1 and controls its operation. The three-phase current detection circuit 3 is electrically connected to the controller 6 and detects the three-phase electrical energy input to the motor 1.
[0022] The fault indicator circuit 4 and the fault code display circuit 5 are both electrically connected to the controller 6, allowing maintenance personnel to identify whether a fault has occurred and its type. The controller 6 is electrically connected to the relay 2 and controls the operation of the relay 2, fault indicator circuit 4, and fault code display circuit 5 based on the signal input from the three-phase current detection circuit 3. In this embodiment, the fault code display circuit 5 is a digital tube display circuit, and the controller 6 is a microcontroller. The communication circuit 7 is electrically connected to the controller 6 for communication with the monitoring center.
[0023] The automatic inspection system for the sump pump also includes a power supply circuit 81, an oscillation circuit 82, a reset circuit 83, a button circuit 84, and a buzzer 85. The power supply circuit 81 is electrically connected to the microcontroller to provide electrical power. The oscillation circuit 82 is electrically connected to the microcontroller to provide an oscillation signal. The reset circuit 83 is electrically connected to the microcontroller to provide a reset signal. The button circuit 84 is electrically connected to the microcontroller to control it. The buzzer 85 is electrically connected to the controller 6 and is used to emit a sound when a fault occurs.
[0024] In this embodiment, the three-phase current detection circuit 3 includes a first current detection unit 31, a second current detection unit 32, a third current detection unit 33, and a light-emitting diode 34. The first current detection unit 31 includes a first inductor L1, a first rectifier diode D1, a first resistor R1, a first capacitor C1, and a first transistor Q1. The first end of the first inductor L1 is electrically connected to the anode of the first rectifier diode D1, and the second end of the first inductor L1 is electrically connected to the emitter of the first transistor Q1. The cathode of the first rectifier diode D1 is electrically connected to the first end of the first resistor R1, and the second end of the first resistor R1 is electrically connected to the base of the first transistor Q1.
[0025] The first terminal of the first capacitor C1 is electrically connected to the cathode of the first rectifier diode D1, and the second terminal of the first capacitor C1 is electrically connected to the second terminal of the first inductor L1. The collector of the first transistor Q1 is electrically connected to the power supply, and the emitter of the first transistor Q1 is electrically connected to the second current detection unit 32. The second current detection unit 32 is electrically connected to the third current detection unit 33. The anode of the light-emitting diode 34 is electrically connected to the collector of the first transistor Q1, and the cathode of the light-emitting diode 34 is electrically connected to the controller 6.
[0026] The second current detection unit 32 includes a second inductor L2, a second rectifier diode D2, a second resistor R2, a second capacitor C2, and a second transistor Q2. The first end of the second inductor L2 is electrically connected to the anode of the second rectifier diode D2, and the second end of the second inductor L2 is electrically connected to the emitter of the second transistor Q2.
[0027] The cathode of the second rectifier diode D2 is electrically connected to the first terminal of the second resistor R2, and the second terminal of the second resistor R2 is electrically connected to the base of the second transistor Q2. The first terminal of the second capacitor C2 is electrically connected to the cathode of the second rectifier diode D2, and the second terminal of the second capacitor C2 is electrically connected to the second terminal of the second inductor L2. The collector of the second transistor Q2 is electrically connected to the emitter of the first transistor Q1, and the emitter of the second transistor Q2 is electrically connected to the third current detection unit 33.
[0028] The third current detection unit 33 includes a third inductor L3, a third rectifier diode D3, a third resistor R3, a third capacitor C3, and a third transistor Q3. The first end of the third inductor L3 is electrically connected to the anode of the third rectifier diode D3, and the second end of the third inductor L3 is electrically connected to the emitter of the third transistor Q3.
[0029] The cathode of the third rectifier diode D3 is electrically connected to the first terminal of the third resistor R3, and the second terminal of the third resistor R3 is electrically connected to the base of the third transistor Q3. The first terminal of the third capacitor C3 is electrically connected to the cathode of the third rectifier diode D3, and the second terminal of the third capacitor C3 is electrically connected to the second terminal of the third inductor L3. The collector of the third transistor Q3 is electrically connected to the emitter of the second transistor Q2, and the emitter of the third transistor Q3 is grounded.
[0030] The three-phase current detection circuit 3 also includes a fourth resistor R4 and a fifth resistor R5. The first end of the fourth resistor R4 is electrically connected to the collector of the first transistor Q1, and the second end of the fourth resistor R4 is electrically connected to the anode of the light-emitting diode 34. The light-emitting diode 34 is electrically connected to the collector of the first transistor Q1 through the fourth resistor R4.
[0031] The first terminal of the fifth resistor R5 is electrically connected to the collector of the third transistor Q3, and the second terminal of the fifth resistor R5 is grounded. The emitter of the third transistor Q3 is grounded through the fifth resistor R5. The first terminal of the fifth resistor R5 is electrically connected to the controller 6 and the cathode of the light-emitting diode 34. This circuit has the advantages of simple structure and reliability.
[0032] The working principle of this utility model is as follows:
[0033] When the inspection time is up, the microcontroller outputs a high level, relay 2 activates, its normally open contact closes, and motor 1 starts. The three-phase current detection circuit 3 detects the current, handling five different scenarios:
[0034] 1. The three-phase current detection circuit 3 does not detect the three-phase current, the relay 2 does not work, its normally open contact opens, the motor 1 stops, the digital tube displays the circuit fault code E1, the fault indicator light lights up, the buzzer also sounds, and at the same time the signal is transmitted to the monitoring center computer platform, waiting for the on-duty personnel to handle it.
[0035] 2. When the three-phase current detection circuit 3 detects a phase loss, the relay 2 stops working, its normally open contact opens, the motor 1 stops, the digital tube displays the motor 1 phase loss code E2, the fault indicator light illuminates, the buzzer sounds, and at the same time the signal is transmitted to the monitoring center computer platform, waiting for the on-duty personnel to handle it.
[0036] 3. When the three-phase current detection circuit 3 detects an overload, relay 2 stops working, its normally open contact opens, motor 1 stops, the digital tube displays the motor 1 overload code E3, the fault indicator light illuminates, the buzzer sounds, and the signal is transmitted to the monitoring center computer platform for on-duty personnel to handle.
[0037] 4. When the three-phase current detection circuit 3 detects that the three-phase current of motor 1 is unbalanced, the relay 2 does not work, its normally open contact opens, motor 1 stops, the digital tube displays the three-phase imbalance code E4 of motor 1, the fault indicator light illuminates, the buzzer sounds, and the signal is transmitted to the monitoring center computer platform to wait for the on-duty personnel to handle.
[0038] 5. The three-phase current detection circuit 3 detects that the current of motor 1 is normal. After a delay of N seconds, the relay 2 stops working, its normally open contact opens, motor 1 stops, and the inspection cycle is restarted. This cycle repeats.
[0039] In summary, this invention utilizes the cooperation of motor 1, relay 2, three-phase current detection circuit 3, fault indicator circuit 4, fault code display circuit 5, controller 6, and communication circuit 7. Motor 1 drives the sump pump. Relay 2 is electrically connected to motor 1 to control its operation. Three-phase current detection circuit 3 is electrically connected to controller 6 to detect the three-phase electrical energy input to motor 1. Fault indicator circuit 4 and fault code display circuit 5 are both electrically connected to controller 6. Controller 6 is electrically connected to relay 2 to control the operation of relay 2, fault indicator circuit 4, and fault code display circuit 5 based on the signal input from three-phase current detection circuit 3. Communication circuit 7 is electrically connected to controller 6 for communication with the monitoring center. Therefore, manual inspection is unnecessary, reducing user costs. Furthermore, by detecting the three-phase electrical energy input to motor 1 through three-phase current detection circuit 3, and then controlling relay 2 based on the detected energy, controller 6 controls motor 1, thereby extending the service life of motor 1.
[0040] The above provides a detailed description of the automatic inspection sump pump device provided by this utility model. Specific examples have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments are merely for the purpose of helping to understand the method and core idea of this utility model. Furthermore, those skilled in the art will recognize that, based on the idea of this utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification is only a description of the implementation methods of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made using the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model and should not be construed as a limitation of this utility model.
Claims
1. An automatic inspection sump pump apparatus, characterized by, The system includes a motor, a relay, a three-phase current detection circuit, a fault indicator circuit, a fault code display circuit, a controller, and a communication circuit. The motor is used to drive the sump pump. The relay is electrically connected to the motor and is used to control the operation of the motor. The three-phase current detection circuit is electrically connected to the controller and is used to detect the three-phase electrical energy input to the motor. The fault indicator circuit and the fault code display circuit are both electrically connected to the controller; the controller is electrically connected to the relay and is used to control the relay, the fault indicator circuit and the fault code display circuit to work according to the signal input by the three-phase current detection circuit; the communication circuit is electrically connected to the controller and is used to communicate with the monitoring center.
2. The automatic, patrolling sump pump apparatus of claim 1, wherein, The automatic inspection sump pump device also includes a buzzer, which is electrically connected to the controller.
3. The automatic, self-inspecting sump pump apparatus of claim 1 or 2, wherein, The automatic inspection sump pump device also includes a reset circuit, which is electrically connected to the controller.
4. The automatic, self-inspecting sump pump apparatus of claim 1 or 2, wherein, The fault code display circuit is a digital tube display circuit.
5. The automatic, self-inspecting sump pump apparatus of claim 1 or 2, wherein, The three-phase current detection circuit includes a first current detection unit, a second current detection unit, a third current detection unit, and a light-emitting diode. The first current detection unit includes a first inductor, a first rectifier diode, a first resistor, a first capacitor, and a first transistor. The first end of the first inductor is electrically connected to the anode of the first rectifier diode, and the second end of the first inductor is electrically connected to the emitter of the first transistor. The cathode of the first rectifier diode is electrically connected to the first end of the first resistor, and the second end of the first resistor is electrically connected to the base of the first transistor. The first terminal of the first capacitor is electrically connected to the cathode of the first rectifier diode, and the second terminal of the first capacitor is electrically connected to the second terminal of the first inductor; the collector of the first transistor is electrically connected to the power supply, and the emitter of the first transistor is electrically connected to the second current detection unit; the second current detection unit is electrically connected to the third current detection unit; the anode of the light-emitting diode is electrically connected to the collector of the first transistor, and the cathode of the light-emitting diode is electrically connected to the controller.
6. The automatic inspection sump pump device as described in claim 5, characterized in that, The second current detection unit includes a second inductor, a second rectifier diode, a second resistor, a second capacitor, and a second transistor. The first end of the second inductor is electrically connected to the anode of the second rectifier diode, and the second end of the second inductor is electrically connected to the emitter of the second transistor. The cathode of the second rectifier diode is electrically connected to the first end of the second resistor, and the second end of the second resistor is electrically connected to the base of the second transistor; the first end of the second capacitor is electrically connected to the cathode of the second rectifier diode, and the second end of the second capacitor is electrically connected to the second end of the second inductor; the collector of the second transistor is electrically connected to the emitter of the first transistor, and the emitter of the second transistor is electrically connected to the third current detection unit.
7. The automatically patrolling sump water pumping device as claimed in claim 6, wherein, The third current detection unit includes a third inductor, a third rectifier diode, a third resistor, a third capacitor, and a third transistor. The first end of the third inductor is electrically connected to the anode of the third rectifier diode, and the second end of the third inductor is electrically connected to the emitter of the third transistor. The cathode of the third rectifier diode is electrically connected to the first end of the third resistor, and the second end of the third resistor is electrically connected to the base of the third transistor; the first end of the third capacitor is electrically connected to the cathode of the third rectifier diode, and the second end of the third capacitor is electrically connected to the second end of the third inductor; the collector of the third transistor is electrically connected to the emitter of the second transistor, and the emitter of the third transistor is grounded.
8. The automatic, patrolling sump pump apparatus of claim 7, wherein, The three-phase current detection circuit further includes a fourth resistor. The first end of the fourth resistor is electrically connected to the collector of the first transistor, and the second end of the fourth resistor is electrically connected to the anode of the light-emitting diode. The light-emitting diode is electrically connected to the collector of the first transistor through the fourth resistor.
9. The automatic, patrolling sump pump apparatus of claim 7, wherein, The three-phase current detection circuit also includes a fifth resistor. The first end of the fifth resistor is electrically connected to the collector of the third transistor, the second end of the fifth resistor is grounded, and the emitter of the third transistor is grounded through the fifth resistor.
10. The automatically patrolling sump water pumping device as claimed in claim 9, wherein, The first end of the fifth resistor is electrically connected to the controller and the cathode of the light-emitting diode.