Energy storage power supply device and loom with the energy storage power supply device

Abstract

The utility model discloses an energy storage power supply device and a loom with the energy storage power supply device, and belongs to the technical field of power supply for textile machinery and equipment. The energy storage power supply device disclosed in the utility model includes an energy storage system, a charging management device and an alternating power supply control device. The input end of the energy storage system is connected to the power grid through the charging management device, and the power grid and the energy storage system are connected to the load through the alternating power supply control device. Under the control of the alternating power supply control device, the power grid and the energy storage system alternately supply power to the load. The utility model discloses a loom with an energy storage power supply device, including a loom body and an energy storage power supply device. The utility model provides emergency power supply for loads such as looms for weaving high-value fabrics through the energy storage system, ensuring that the loom does not stop during the process of weaving high-value fabrics, and avoiding the occurrence of economic losses caused by fabric defects due to unstable power grid or sudden power failure.

Description

Technical Field

[0001] The utility model relates to an energy storage power supply device and a loom with the energy storage power supply device, belonging to the technical field of power supply for textile machinery and equipment. Background Art

[0002] A loom is used to weave cloth, also known as a loom. Traditional textile machinery consumes a lot of electricity during operation, which not only reduces the working efficiency of textile machinery, but also increases energy costs.

[0003] Existing looms are weaving equipment that work continuously and uninterruptedly. In the event of a sudden power outage, the quality of the fabric will be affected to a certain extent, resulting in defective fabrics. The looms work continuously and uninterruptedly, and the industrial electricity used has peak and valley electricity price differences. The electricity cost of the looms increases when the electricity price is peak.

[0004] In order to reduce energy consumption and improve energy utilization efficiency, the utility model designs an energy storage power supply device and a loom with the energy storage power supply device. Utility Model Content

[0005] In order to solve the above problems, the utility model proposes an energy storage power supply device and a loom with the energy storage power supply device, which can add emergency backup power supply to the loom and realize economic benefits by utilizing the peak-valley electricity price difference.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] An embodiment of the utility model provides an energy storage power supply device, including an energy storage system, a charging management device and an alternating power supply control device. The input end of the energy storage system is connected to the power grid through the charging management device, and the power grid and the energy storage system are connected to the load through the alternating power supply control device. Under the control of the alternating power supply control device, the power grid and the energy storage system alternately supply power to the load.

[0008] As a possible implementation of this embodiment, the alternating power supply control device includes a normally open switch and a normally closed switch, and the power grid and the energy storage system are connected to the load through one of the normally open switch and the normally closed switch respectively. When the normally open switch and the normally closed switch are alternately turned on, the power grid and the energy storage system alternately supply power to the load; when the energy storage system supplies power to the load, the input end of the energy storage system is disconnected from the power grid.

[0009] As a possible implementation of this embodiment, the power grid is connected to the load through a normally open switch, and the energy storage system is connected to the load through a normally closed switch; or, the power grid is connected to the load through a normally closed switch, and the energy storage system is connected to the load through a normally open switch.

[0010] As a possible implementation of this embodiment, the alternating power supply control device includes an intermediate relay, the control coil of the intermediate relay is connected to the power grid, the power grid is connected to the load through the normally open switch of the intermediate relay, and the energy storage system is connected to the load through the normally closed switch of the intermediate relay; when the power grid and the control coil of the intermediate relay are connected, the normally closed switch of the intermediate relay is disconnected and the normally open switch of the intermediate relay is closed, and the power grid supplies power to the load; when the power grid and the control coil of the intermediate relay are disconnected, the normally closed switch of the intermediate relay is closed and the normally open switch of the intermediate relay is disconnected, and the energy storage system supplies power to the load.

[0011] As a possible implementation of this embodiment, the alternating power supply control device includes an MCU control unit and a first control switch, a second control switch and a third control switch respectively connected thereto, wherein the first control switch is arranged between the power grid and the load, and is used to control the power grid to supply power to the load; the second control switch is arranged between the power grid and the energy storage system, and is used to control the power grid to charge the energy storage system; the third control switch is arranged between the energy storage system and the load, and is used to control the energy storage system to supply power to the load; and the second control switch and the third control switch are not turned on at the same time.

[0012] As a possible implementation of this embodiment, the charging management device includes an AC / DC converter, a DC / DC converter and a BMS battery management system. The power grid is electrically connected to the input end of the AC / DC converter, the output end of the AC / DC converter is electrically connected to the input end of the DC / DC converter, and the DC / DC converter is connected to the input end of the energy storage system through the BMS battery management system.

[0013] As a possible implementation of this embodiment, the working mode of the energy storage system includes an off-grid mode and a grid-connected mode. In the off-grid mode, the energy storage system supplies power to the load; in the grid-connected mode, the grid supplies power to the load and charges the energy storage system.

[0014] The embodiment of the utility model further provides a loom with an energy storage power supply device, comprising a loom body and an energy storage power supply device, wherein the energy storage power supply device adopts an energy storage power supply device as described above.

[0015] The technical solution of the embodiment of the utility model can have the following beneficial effects:

[0016] An energy storage power supply device according to the technical solution of the embodiment of the utility model provides emergency power supply for loads such as a loom for weaving high-value fabrics through an energy storage system, thereby ensuring that the loom does not stop during the process of weaving high-value fabrics and avoiding the occurrence of economic losses caused by fabric defects due to unstable power grid or sudden power outages.

[0017] The technical solution of the embodiment of the utility model is an energy storage power supply device, which stores energy when the electricity price is at the bottom, and uses the energy storage system to supply power to the load during the peak electricity price period, thereby obtaining certain economic benefits by utilizing the peak-valley electricity price difference.

[0018] The technical solution of the embodiment of the utility model is a loom with an energy storage power supply device, which provides emergency power supply through the energy storage system of the energy storage power supply device, ensuring that the machine does not stop during the weaving of high-value fabrics, not only ensuring the quality of fabric weaving, but also avoiding the occurrence of economic losses caused by fabric defects due to unstable power grid or sudden power outages.

[0019] The technical solution of the embodiment of the utility model is a loom with an energy storage power supply device. The energy storage system is used to store energy when the electricity price is at the bottom. During the peak period of electricity price, the energy storage system is used to power the loom, and certain economic benefits are obtained by using the peak-valley electricity price difference. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of a first energy storage power supply device according to an exemplary embodiment;

[0021] Figure 2 is a schematic structural diagram of a second energy storage power supply device according to an exemplary embodiment;

[0022] Figure 3 It is a schematic diagram of the structure of a third energy storage power supply device according to an exemplary embodiment. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0024] In order to clearly illustrate the technical features of the present solution, the present invention is described in detail below through specific implementation methods and in combination with the accompanying drawings. The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. In addition, the present invention may repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the accompanying drawings are not necessarily drawn to scale. The present invention omits the description of known components and processing techniques and processes to avoid unnecessary limitations on the present invention.

[0025] Example 1

[0026] like Figure 1As shown, an embodiment of the utility model provides an energy storage power supply device, including an energy storage system, a charging management device and an alternating power supply control device. The input end of the energy storage system is connected to the power grid through the charging management device, and the power grid and the energy storage system are connected to the load through the alternating power supply control device. Under the control of the alternating power supply control device, the power grid and the energy storage system alternately supply power to the load.

[0027] As a possible implementation of this embodiment, the alternating power supply control device includes a normally open switch K2 and a normally closed switch K1, and the power grid and the energy storage system are connected to the load through one of the normally open switch K2 and the normally closed switch K1, respectively. Figure 1 As shown, the power grid is connected to the load through the normally closed switch K1, and the energy storage system is connected to the load through the normally open switch K2; when the normally open switch K2 and the normally closed switch K1 are alternately turned on, the power grid and the energy storage system alternately supply power to the load; when the energy storage system supplies power to the load, the input end of the energy storage system is disconnected from the power grid.

[0028] As a possible implementation of this embodiment, alternatively, the power grid is connected to the load via a normally open switch, and the energy storage system is connected to the load via a normally closed switch.

[0029] The utility model controls the opening or closing of a normally open switch and a normally closed switch so that the power grid and the energy storage system alternately supply power to the load; the energy storage system stores energy when the electricity price is at the bottom, and the energy storage system is used to supply power to the load during the peak electricity price period, thereby utilizing the peak-valley electricity price difference to obtain certain economic benefits.

[0030] As a possible implementation of this embodiment, the charging management device includes an AC / DC converter, a DC / DC converter and a BMS battery management system. The power grid is electrically connected to the input end of the AC / DC converter, the output end of the AC / DC converter is electrically connected to the input end of the DC / DC converter, and the DC / DC converter is connected to the input end of the energy storage system through the BMS battery management system.

[0031] As a possible implementation of this embodiment, the working mode of the energy storage system includes an off-grid mode and a grid-connected mode. In the off-grid mode, the energy storage system supplies power to the load; in the grid-connected mode, the grid supplies power to the load and charges the energy storage system.

[0032] The utility model provides emergency power supply for loads such as a loom for weaving high-value fabrics through an energy storage system, ensuring that the loom does not stop during the process of weaving high-value fabrics, and avoiding the occurrence of fabric defects and economic losses caused by unstable power grid or sudden power failure.

[0033] Example 2

[0034] like Figure 2 As shown, an embodiment of the utility model provides an energy storage power supply device, including an energy storage system, a charging management device and an alternating power supply control device. The input end of the energy storage system is connected to the power grid through the charging management device, and the power grid and the energy storage system are connected to the load through the alternating power supply control device. Under the control of the alternating power supply control device, the power grid and the energy storage system alternately supply power to the load.

[0035] As a possible implementation of this embodiment, Figure 2 As shown, the alternating power supply control device includes an intermediate relay, the control coil M of the intermediate relay is connected to the power grid, the power grid is connected to the loom load / load through the normally open switch JK1 of the intermediate relay, and the energy storage system is connected to the loom load / load through the normally closed switch JK2 of the intermediate relay; when the power grid and the control coil M of the intermediate relay are connected, the normally closed switch JK2 of the intermediate relay is disconnected and the normally open switch JK1 of the intermediate relay is closed, and the power grid supplies power to the loom load / load; when the power grid and the control coil M of the intermediate relay are disconnected, the normally closed switch JK2 of the intermediate relay is closed and the normally open switch JK1 of the intermediate relay is disconnected, and the energy storage system supplies power to the loom load / load.

[0036] The utility model controls the opening or closing of the normally open switch JK1 and the normally closed switch JK2 of the intermediate relay by controlling the on and off of the control coil M of the intermediate relay, so that the power grid and the energy storage system alternately supply power to the load; the energy storage system is used to store energy when the electricity price is at the bottom, and the energy storage system is used to supply power to the load during the peak period of electricity price, so as to obtain certain economic benefits by utilizing the peak-valley electricity price difference.

[0037] As a possible implementation of this embodiment, the charging management device includes an AC / DC converter, a DC / DC converter and a BMS battery management system. The power grid is electrically connected to the input end of the AC / DC converter, the output end of the AC / DC converter is electrically connected to the input end of the DC / DC converter, and the DC / DC converter is connected to the input end of the energy storage system through the BMS battery management system.

[0038] As a possible implementation of this embodiment, the working modes of the energy storage system include an off-grid mode and a grid-connected mode. In the off-grid mode, the energy storage system supplies power to the loom load / load; in the grid-connected mode, the power grid supplies power to the loom load / load and charges the energy storage system.

[0039] The utility model provides emergency power supply for loads such as a loom for weaving high-value fabrics through an energy storage system, ensuring that the loom does not stop during the process of weaving high-value fabrics, and avoiding the occurrence of fabric defects and economic losses caused by unstable power grid or sudden power failure.

[0040] Example 3

[0041] like Figure 3 As shown, an embodiment of the utility model provides an energy storage power supply device, including an energy storage system, a charging management device and an alternating power supply control device. The input end of the energy storage system is connected to the power grid through the charging management device, and the power grid and the energy storage system are connected to the load through the alternating power supply control device. Under the control of the alternating power supply control device, the power grid and the energy storage system alternately supply power to the load.

[0042] As a possible implementation of this embodiment, Figure 3 As shown, the alternating power supply control device includes an MCU control unit and a first control switch, a second control switch and a third control switch respectively connected thereto, wherein the first control switch is arranged between the power grid and the loom load / load, and is used to control the power grid to supply power to the loom load / load; the second control switch is arranged between the power grid and the energy storage system, and is used to control the power grid to charge the energy storage system; the third control switch is arranged between the energy storage system and the loom load / load, and is used to control the energy storage system to supply power to the loom load / load; the second control switch and the third control switch are not turned on at the same time.

[0043] The utility model realizes periodic switching between off-grid mode and on-grid mode by controlling the opening or closing of the first control switch and the second control switch, so that the power grid and the energy storage system supply power to the load alternately; the energy storage system is used to store energy when the electricity price is at the bottom, and the energy storage system is used to power the loom during the peak electricity price period, thereby utilizing the peak-valley electricity price difference to obtain certain economic benefits.

[0044] As a possible implementation of this embodiment, the charging management device includes an AC / DC converter, a DC / DC converter and a BMS battery management system. The power grid is electrically connected to the input end of the AC / DC converter, the output end of the AC / DC converter is electrically connected to the input end of the DC / DC converter, and the DC / DC converter is connected to the input end of the energy storage system through the BMS battery management system.

[0045] As a possible implementation of this embodiment, the working modes of the energy storage system include an off-grid mode and a grid-connected mode. In the off-grid mode, the energy storage system supplies power to the loom load / load; in the grid-connected mode, the power grid supplies power to the loom load / load and charges the energy storage system.

[0046] The utility model provides emergency power supply for loads such as a loom for weaving high-value fabrics through an energy storage system, ensuring that the loom does not stop during the process of weaving high-value fabrics, and avoiding the occurrence of fabric defects and economic losses caused by unstable power grid or sudden power failure.

[0047] Example 4

[0048] like Figures 1 to 3 As shown, an embodiment of the utility model further provides a loom with an energy storage power supply device, comprising a loom body and an energy storage power supply device, wherein the energy storage power supply device adopts an energy storage power supply device as described above.

[0049] The loom with energy storage power supply device has an energy storage system that adopts off-grid mode and grid-connected mode working modes. In the off-grid mode, the energy storage system supplies power to the load; in the grid-connected mode, the grid power is input, the grid supplies power to the load, and the energy storage system is in a charging state.

[0050] Specific control method of the energy storage system: In off-grid mode, the DC / DC converter controls the DC bus voltage, and the AC / DC converter controls the AC output voltage to provide a stable AC voltage for the loom load; in grid-connected mode, the AC / DC converter controls the DC bus voltage, and the DC / DC converter controls the charging power of the energy storage system.

[0051] The loom with energy storage power supply device can control the normally open switch and the normally closed switch to open or close according to the peak and valley cycle of the input electricity price, so that the power grid and the energy storage system can alternately supply power to the load; or the normally open switch JK1 and the normally closed switch JK2 of the intermediate relay can be opened or closed by controlling the on and off of the control coil M of the intermediate relay, so that the power grid and the energy storage system can alternately supply power to the load; the first control switch and the second control switch can be opened or closed to realize the periodic switching between the off-grid mode and the grid-connected mode, so that the power grid and the energy storage system can alternately supply power to the load. A loom with energy storage power supply device in this embodiment stores energy through the energy storage system when the electricity price is at the bottom, and uses the energy storage system to power the loom during the peak period of electricity price, so as to obtain certain economic benefits by using the peak-valley electricity price difference.

[0052] The BMS battery management system manages and monitors the voltage, current, power, temperature, capacity, and health status of the energy storage power supply device itself.

[0053] A loom with an energy storage power supply device in this embodiment provides emergency power supply through the energy storage system of the energy storage power supply device, ensuring that the machine does not stop during the weaving of high-value fabrics, which not only ensures the quality of fabric weaving, but also avoids the occurrence of economic losses caused by fabric defects due to unstable power grid or sudden power outages.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be included in the scope of protection of the claims of the utility model.

Claims

1. An energy storage power supply device, characterized in that: It includes an energy storage system, a charging management device and an alternating power supply control device. The input end of the energy storage system is connected to the power grid through the charging management device, and the power grid and the energy storage system are connected to the load through the alternating power supply control device. Under the control of the alternating power supply control device, the power grid and the energy storage system alternately supply power to the load.

2. An energy storage power supply device according to claim 1, characterized in that: The alternating power supply control device includes a normally open switch and a normally closed switch. The power grid and the energy storage system are connected to the load via one of the normally open switch and the normally closed switch respectively. When the normally open switch and the normally closed switch are alternately turned on, the power grid and the energy storage system alternately supply power to the load; when the energy storage system supplies power to the load, the input end of the energy storage system is disconnected from the power grid.

3. An energy storage power supply device according to claim 2, characterized in that: The power grid is connected to the load via a normally open switch, and the energy storage system is connected to the load via a normally closed switch; or, the power grid is connected to the load via a normally closed switch, and the energy storage system is connected to the load via a normally open switch.

4. The energy storage power supply device according to claim 1, characterized in that: The alternating power supply control device includes an intermediate relay, a control coil of the intermediate relay is connected to a power grid, the power grid is connected to a load via a normally open switch of the intermediate relay, and the energy storage system is connected to the load via a normally closed switch of the intermediate relay; when the power grid and the control coil of the intermediate relay are connected, the normally closed switch of the intermediate relay is disconnected and the normally open switch of the intermediate relay is closed, and the power grid supplies power to the load; when the power grid and the control coil of the intermediate relay are disconnected, the normally closed switch of the intermediate relay is closed and the normally open switch of the intermediate relay is disconnected, and the energy storage system supplies power to the load.

5. The energy storage power supply device according to claim 1, characterized in that: The alternating power supply control device includes an MCU control unit and a first control switch, a second control switch and a third control switch respectively connected thereto, wherein the first control switch is arranged between the power grid and the load, and is used to control the power grid to supply power to the load; the second control switch is arranged between the power grid and the energy storage system, and is used to control the power grid to charge the energy storage system; the third control switch is arranged between the energy storage system and the load, and is used to control the energy storage system to supply power to the load; the second control switch and the third control switch are not turned on at the same time.

6. An energy storage power supply device according to any one of claims 1 to 5, characterized in that: The charging management device includes an AC / DC converter, a DC / DC converter and a BMS battery management system. The power grid is electrically connected to the input end of the AC / DC converter, the output end of the AC / DC converter is electrically connected to the input end of the DC / DC converter, and the DC / DC converter is connected to the input end of the energy storage system through the BMS battery management system.

7. An energy storage power supply device according to any one of claims 1 to 5, characterized in that: The working modes of the energy storage system include an off-grid mode and a grid-connected mode. In the off-grid mode, the energy storage system supplies power to the load; in the grid-connected mode, the grid supplies power to the load and charges the energy storage system.

8. A loom with an energy storage power supply device, comprising a loom body and an energy storage power supply device, characterized in that: The energy storage power supply device adopts an energy storage power supply device as described in any one of claims 1-7.

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