A drainage pump station energy storage and distribution device

Abstract

The utility model relates to an energy storage and power distribution device for a drainage pump station, comprising a box, a battery charger, a single-phase contactor, a rectifier and a voltage regulator, a lithium iron phosphate battery pack and an inverter; the box comprises an upper end accommodating chamber and a lower end accommodating chamber, the lithium iron phosphate battery pack and the inverter are installed at the bottom of the lower end accommodating chamber, and the rectifier and voltage regulator are fixedly connected to the inner wall of the lower end accommodating chamber; one end of the rectifier and voltage regulator is electrically connected to the input end of the lithium iron phosphate battery pack, and the other end of the rectifier and voltage regulator is electrically connected to a power generation device; the output end of the lithium iron phosphate battery pack is connected to the inverter; the top of the box is connected to a battery charger, one end of the battery charger is electrically connected to the input end of the lithium iron phosphate battery pack, and the other end of the battery charger is detachably connected to a mains charging port; the single-phase contactor is fixedly connected to the inner wall of the upper end accommodating chamber, and the single-phase contactor is respectively connected to the circuit between the battery charger and the lithium iron phosphate battery pack and the rectifier and voltage regulator and the power generation device.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage equipment for a drainage pump station, and more specifically to an energy storage and power distribution device for a drainage pump station. Background Art

[0002] At present, drainage pumping stations are equipped with solar photovoltaic panels, small wind turbines, etc., and some group central pumping stations have multiple spinning bikes that can generate electricity in their activity centers. The above equipment is used frequently, and only solar photovoltaic panels are equipped with separate energy storage and distribution devices, which has low efficiency in energy recovery and reuse for power generation devices.

[0003] In summary, there is an urgent need for a drainage pump station energy storage and distribution device that can effectively collect and store electrical energy from solar photovoltaic panels, small manpower, wind power, hydroelectric generators and other power generation devices, and convert it into AC power through an inverter for use by auxiliary equipment in the pump station.

[0004] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Utility Model Content

[0005] The purpose of the utility model is to provide a drainage pump station energy storage and distribution device, which provides a complete set of energy storage and distribution devices for power generation equipment in the drainage pump station and reasonably plans the distribution of energy storage power supply.

[0006] The utility model provides a drainage pump station energy storage and distribution device, including a box, a battery charger, a single-phase contactor, a rectifier regulator, a lithium iron phosphate battery pack and an inverter; the box includes an upper end accommodating chamber and a lower end accommodating chamber, the lithium iron phosphate battery pack and the inverter are installed at the bottom of the lower end accommodating chamber, and the rectifier regulator is fixedly connected to the inner wall of the lower end accommodating chamber; one end of the rectifier regulator is electrically connected to the input end of the lithium iron phosphate battery pack, and the other end of the rectifier regulator is electrically connected to the power generation device; the output end of the lithium iron phosphate battery pack is connected to The inverter is electrically connected to the external auxiliary equipment; the battery charger is connected to the top of the box, one end of the battery charger is electrically connected to the input end of the lithium iron phosphate battery pack, and the other end of the battery charger is detachably connected to the AC charging port; the single-phase contactor is fixedly connected to the inner wall of the upper end accommodating cavity, and the single-phase contactor is respectively connected to the battery charger and the lithium iron phosphate battery pack and the circuit between the rectifier regulator and the generator, and the single-phase contactor is used to control the switching between AC charging and power generation of the generator.

[0007] Furthermore, the drainage pump station energy storage and distribution device also includes a time-controlled switch, which is installed on the inner wall of the upper end accommodating cavity and is connected to the single-phase contactor.

[0008] Furthermore, the drainage pump station energy storage and distribution device also includes an air switch, which is installed on the inner wall of the upper end accommodating cavity and connected to the bus line of the drainage pump station energy storage and distribution device.

[0009] Furthermore, the drainage pump station energy storage and distribution device also includes a power consumption monitor, an upper cover is hinged at the opening of the upper end accommodating cavity, the power consumption monitor is installed on the upper cover, and the power consumption monitor is connected to the lithium iron phosphate battery pack.

[0010] Furthermore, the drainage pump station energy storage and distribution device also includes a dual power self-cutting switch, which is installed on the inner wall of the lower end accommodating cavity and is connected to the circuit between the inverter and the external auxiliary equipment.

[0011] Furthermore, the drainage pump station energy storage and distribution device also includes a battery charging indicator light, a mains power indicator light, an external power generation indicator light and an inverter power indicator light; the battery charging indicator light, the mains power indicator light, the external power generation indicator light and the inverter power indicator light are all installed on the upper cover; the battery charging indicator light, the mains power indicator light, the external power generation indicator light and the inverter power indicator light are all connected to the lithium iron phosphate battery pack.

[0012] Furthermore, the drainage pump station energy storage and distribution device also includes a cooling fan, which is installed on the top of the lower end accommodating cavity, and the air outlet of the cooling fan points to the lithium iron phosphate battery pack; the cooling fan is electrically connected to the output end of the inverter.

[0013] The utility model relates to a drainage pump station energy storage and distribution device, which converts the low-voltage AC power or DC power produced by a power generation device (solar photovoltaic panel power generation device, a small human power generation device, a wind power generation device, a hydro-turbine power generation device, etc.) into a DC output through a rectifier circuit of a rectifier regulator and stores it in a lithium iron phosphate battery pack; the DC power stored in the lithium iron phosphate battery pack is converted into AC power for external auxiliary equipment (auxiliary equipment in the pump station) through an inverter (which converts the DC power supplied by the lithium iron phosphate battery pack into a pure sinusoidal 220V AC power, which is then supplied to an external load); a complete set of energy storage and distribution devices is provided for the power generation equipment in the drainage pump station, and the distribution of energy storage power is reasonably planned; photovoltaic, self-generation and other forms not only save energy and reduce emissions, but also provide assistance for reducing costs and increasing efficiency of pump stations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of the energy storage and distribution device for a drainage pump station provided in an embodiment of the utility model.

[0015] Figure 2 for Figure 1 Side view structural diagram of the energy storage and distribution device of the drainage pump station.

[0016] Figure 3 for Figure 1 Front view structural diagram of the energy storage and distribution device of the drainage pump station.

[0017] The reference numerals and components involved in the drawings are as follows:

[0018] 100, box body 110, upper end receiving chamber 120, lower end receiving chamber

[0019] 130, upper cover 1, battery charger 2, single-phase contactor

[0020] 131. Electricity consumption monitor 3. Rectifier regulator 4. Lithium iron phosphate battery pack

[0021] 132. Battery charging indicator 5. Inverter 6. Time control switch

[0022] 133. Mains power indicator light 7. Air switch 8. Dual power self-cutting switch

[0023] 134, External power generation indicator 9, Cooling fan 135, Inverter power indicator

[0024] 135. Inverter power indicator light 91. Small relay DETAILED DESCRIPTION

[0025] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0026] The terms "first", "second", "third", "fourth" and the like in the specification and claims of the present utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0027] Example 1

[0028] Figure 1 This is a schematic diagram of the structure of the energy storage and distribution device for a drainage pump station provided by an embodiment of the utility model. Figure 2 for Figure 1 Side view structural diagram of the energy storage and distribution device of the drainage pump station. Figure 3 for Figure 1 Front view of the structure of the energy storage and distribution device of the drainage pump station. Figure 1 , Figure 2 , Figure 3The drainage pump station energy storage and distribution device provided by the embodiment of the utility model includes a box body 100, a battery charger 1, a single-phase contactor 2, a rectifier regulator 3, a lithium iron phosphate battery pack 4 and an inverter 5; the box body 100 includes an upper end accommodating chamber 110 and a lower end accommodating chamber 120, the lithium iron phosphate battery pack 4 and the inverter 5 are installed at the bottom of the lower end accommodating chamber 120, and the rectifier regulator 3 is fixedly connected to the inner wall of the lower end accommodating chamber 120; one end of the rectifier regulator 3 is electrically connected to the input end of the lithium iron phosphate battery pack 4, and the other end of the rectifier regulator 3 is electrically connected to the power generation device; the lithium iron phosphate battery pack 4 The output end is connected to the inverter 5, and the inverter 5 is electrically connected to an external auxiliary device; the battery charger 1 is connected to the top of the box 100, one end of the battery charger 1 is electrically connected to the input end of the lithium iron phosphate battery pack 4, and the other end of the battery charger 1 is detachably connected to the AC charging port; the single-phase contactor 2 is fixedly connected to the inner wall of the upper end accommodating cavity 110, and the single-phase contactor 2 is respectively connected to the battery charger 1 and the lithium iron phosphate battery pack 4 and the circuit between the rectifier regulator 3 and the generator, and the single-phase contactor 2 is used to control the switching of AC charging and power generation of the generator.

[0029] It should be noted that when the energy storage and distribution device of the drainage pump station of the utility model is used, the low-voltage AC power or DC power produced by the power generation device (solar photovoltaic panel power generation device, small human power generation device, wind power generation device, hydropower generation device, etc.) is converted into a DC output through the rectifier circuit of the rectifier regulator 3 and stored in the lithium iron phosphate battery pack 4; the DC power stored in the lithium iron phosphate battery pack 4 is converted into AC power through the inverter 5 (the DC power supplied by the lithium iron phosphate battery pack 4 is converted into a pure sine wave 220V AC power, and then supplied to the external load for use) for use by the auxiliary equipment in the external auxiliary equipment pump station; a complete set of energy storage and distribution devices is provided for the power generation equipment in the drainage pump station, and the distribution of energy storage power is reasonably planned; photovoltaic, self-generation and other forms not only save energy and reduce emissions, but also provide assistance for reducing costs and increasing efficiency of pump stations;

[0030] In addition, when the electric energy in the lithium iron phosphate battery pack 4 is insufficient, the single-phase contactor 2 can be adjusted to the AC power charging state. The single-phase contactor 2 controls the closing or disconnection of two sets of main contacts through the on-off of the coil, which is used for switching between AC power charging and generator power generation, and the lithium iron phosphate battery pack 4 is charged through the battery charger 1.

[0031] Further references Figure 1 The drainage pump station energy storage and distribution device of the utility model also includes a time-controlled switch 6, which is installed on the inner wall of the upper end accommodating chamber 110, and the time-controlled switch 6 is connected to the single-phase contactor 2.

[0032] It should be noted that the time-controlled switch 6 switches the coil of the single-phase contactor 2 on and off according to the set time, thereby switching the power consumption to avoid peak and valley, thereby reducing the load on the power grid.

[0033] Furthermore, the drainage pump station energy storage and distribution device of the utility model also includes an air switch 7, which is installed on the inner wall of the upper end accommodating chamber 110, and the air switch 7 is connected to the main circuit of the drainage pump station energy storage and distribution device.

[0034] It should be noted that the air switch 7 has a leakage protection circuit breaker to prevent electric shock when the circuit or electrical insulation is damaged and a short circuit to the ground occurs, and it has overload and short circuit protection.

[0035] Furthermore, the energy storage and distribution device for drainage pumping station of the utility model further includes a power consumption monitor 131, an upper cover 130 is hingedly connected to the opening of the upper end accommodating chamber 110, the power consumption monitor 131 is mounted on the upper cover 130, and the power consumption monitor 131 is connected to the lithium iron phosphate battery pack 4. It is used to monitor the operating parameters of the lithium iron phosphate battery pack 4, such as voltage, current, power, and battery life.

[0036] Furthermore, the energy storage and distribution device for the drainage pump station of the utility model further includes a dual power self-cutting switch 8, which is mounted on the inner wall of the lower end accommodating chamber 120, and is connected to the circuit between the inverter 5 and the external auxiliary equipment. When the inverter power supply of the lithium iron phosphate battery pack 4 is insufficient, the dual power self-cutting switch 8 automatically switches the power supply to the mains power supply.

[0037] Furthermore, the drainage pump station energy storage and distribution device of the utility model also includes a battery charging indicator light 132, a mains power indicator light 133, an external power generation indicator light 134 and an inverter power indicator light 135, and the battery charging indicator light 132, the mains power indicator light 133, the external power generation indicator light 134 and the inverter power indicator light 135 are all installed on the upper cover 130; the battery charging indicator light 132, the mains power indicator light 133, the external power generation indicator light 134 and the inverter power indicator light 135 are all connected to the lithium iron phosphate battery pack 4.

[0038] It should be noted that the battery charging indicator light 132 is used when the battery charger 1 is charging with AC power, and the indicator light responds to the working status; the AC power indicator light 133 is used when the AC power is normally connected to the system, and the indicator light responds to the working status; the external power generation indicator light 134 is used when an external human-powered generator, a hydroelectric generator, etc. is generating electricity, and the indicator light responds to the working status; the inverter power indicator light 135 is used when the inverter 5 is supplying power normally, and the indicator light responds to the working status.

[0039] Furthermore, the drainage pump station energy storage and distribution device of the utility model also includes a cooling fan 9, which is installed on the top of the lower end accommodating cavity 120, and the air outlet of the cooling fan 9 points to the lithium iron phosphate battery pack 4; the cooling fan 9 is electrically connected to the output end of the inverter 5.

[0040] It should be noted that when the cooling fan 9 is powered by the lithium iron phosphate battery pack 4 and the inverter 5, the cooling fan 9 operates to further cool the lithium iron phosphate battery pack 4. Furthermore, the cooling fan 9 also includes a small relay 91: the relay coil is turned on and off through the time-space switch 6 to power the cooling fan 9, and it only operates when the lithium iron phosphate battery pack 4 and the inverter 5 are working.

[0041] Based on the above description, it can be seen that the advantages of the utility model are:

[0042] 1. The energy storage and distribution device of the drainage pump station of the utility model converts the low-voltage AC power or DC power produced by the power generation device into DC output through the rectifier circuit of the rectifier and voltage regulator and stores it in the lithium iron phosphate battery pack; the DC power stored in the lithium iron phosphate battery pack is converted into AC power through an inverter for use by external auxiliary equipment; a complete set of energy storage and distribution devices is provided for the power generation equipment in the drainage pump station, and the distribution of energy storage power is reasonably planned; photovoltaic, self-generation and other forms not only save energy and reduce emissions, but also provide assistance for reducing costs and increasing efficiency of pump stations.

[0043] 2. In the energy storage and distribution device for the drainage pump station of the utility model, the time-controlled switch switches on and off the single-phase contactor coil according to the set time to switch the power consumption to avoid peak and valley, thereby reducing the load on the power grid.

[0044] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A drainage pump station energy storage and distribution device, characterized in that: It comprises a box (100), a battery charger (1), a single-phase contactor (2), a rectifier and voltage regulator (3), a lithium iron phosphate battery pack (4) and an inverter (5); The box body (100) comprises an upper accommodating chamber (110) and a lower accommodating chamber (120); the lithium iron phosphate battery pack (4) and the inverter (5) are installed at the bottom of the lower accommodating chamber (120); and the rectifier regulator (3) is fixedly connected to the inner wall of the lower accommodating chamber (120); One end of the rectifier regulator (3) is electrically connected to the input end of the lithium iron phosphate battery pack (4), and the other end of the rectifier regulator (3) is electrically connected to the power generation device; the output end of the lithium iron phosphate battery pack (4) is connected to the inverter (5), and the inverter (5) is electrically connected to an external auxiliary device; The battery charger (1) is connected to the top of the box (100), one end of the battery charger (1) is electrically connected to the input end of the lithium iron phosphate battery pack (4), and the other end of the battery charger (1) is detachably connected to the mains charging port; The single-phase contactor (2) is fixedly connected to the inner wall of the upper end accommodating chamber (110), and the single-phase contactor (2) is respectively connected to the circuit between the battery charger (1) and the lithium iron phosphate battery pack (4) and the rectifier regulator (3) and the power generation device, and the single-phase contactor (2) is used to control the switching between the mains charging and the power generation of the power generation device.

2. The drainage pump station energy storage and distribution device according to claim 1, characterized in that: The drainage pump station energy storage and distribution device further comprises a time-controlled switch (6), wherein the time-controlled switch (6) is mounted on the inner wall of the upper end accommodating chamber (110), and the time-controlled switch (6) is connected to the single-phase contactor (2).

3. The drainage pump station energy storage and distribution device according to claim 1, characterized in that: The drainage pump station energy storage and distribution device further comprises an air switch (7), wherein the air switch (7) is mounted on the inner wall of the upper end accommodating chamber (110), and the air switch (7) is connected to the bus line of the drainage pump station energy storage and distribution device.

4. The drainage pump station energy storage and distribution device according to claim 1, characterized in that: The drainage pump station energy storage and distribution device also includes a power consumption monitor (131); an upper cover (130) is hingedly connected to the opening of the upper end accommodating chamber (110); the power consumption monitor (131) is mounted on the upper cover (130); and the power consumption monitor (131) is connected to the lithium iron phosphate battery pack (4).

5. The drainage pump station energy storage and distribution device according to claim 1, characterized in that: The drainage pump station energy storage and distribution device also includes a dual power self-cutting switch (8), which is installed on the inner wall of the lower end accommodating chamber (120) and connected to the circuit between the inverter (5) and the external auxiliary equipment.

6. The drainage pump station energy storage and distribution device according to claim 4, characterized in that: The drainage pump station energy storage and distribution device further comprises a battery charging indicator light (132), a mains power indicator light (133), an external power generation indicator light (134) and an inverter power indicator light (135); the battery charging indicator light (132), the mains power indicator light (133), the external power generation indicator light (134) and the inverter power indicator light (135) are all mounted on the upper cover (130); The battery charging indicator light (132), the mains power indicator light (133), the external power generation indicator light (134) and the inverter power indicator light (135) are all connected to the lithium iron phosphate battery pack (4).

7. The drainage pump station energy storage and distribution device according to claim 1, characterized in that: The drainage pump station energy storage and distribution device also includes a cooling fan (9), which is installed on the top of the lower end accommodating chamber (120), and the air outlet of the cooling fan (9) points to the lithium iron phosphate battery pack (4); the cooling fan (9) is electrically connected to the output end of the inverter (5).

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