UPS (Uninterrupted Power Supply) charging high-voltage control box

Abstract

The utility model discloses a UPS power supplement high-voltage control box, which belongs to the technical field of power electronics and comprises a control box body, a BCU is arranged in the control box body, and a BAT terminal used for being connected with an external power supply device, a PCS terminal used for being connected with a to-be-supplemented battery pack in a UPS, a first communication terminal and a second communication terminal are arranged on a first outer side plate of the control box body; the first communication terminal is used for transmitting operation data of the battery pack to be charged to the BCU, so that the BCU controls an external power supply device to charge the battery pack to be charged; and the second communication terminal is used for being connected with an external upper computer, so that the external upper computer monitors the operation data of the battery pack to be charged. Through the UPS charging high-voltage control box, the purpose of charging the battery pack in a feed state in the UPS can be achieved, so that the technical problem that the battery pack in the UPS is fed and cannot supply power to a target load normally can be avoided.

Description

Technical Field

[0001] This utility model relates to the field of power electronics technology, and in particular to a UPS power replenishment high voltage control box. Background Technology

[0002] A UPS (Uninterruptible Power Supply) is a device that converts direct current (DC) to AC power. When the AC power is abnormal, a UPS can supply power to the target load, thereby ensuring the stable and reliable operation of the target load.

[0003] Because UPS systems operate in a charging and discharging state for extended periods, and the characteristics of the cells within their various battery packs may differ, voltage imbalances can easily occur between some battery packs. If voltage imbalances occur in some battery packs within a UPS, it indicates a power shortage problem in those packs. In this situation, the system will disconnect the power-depleted battery packs to prevent the fault from spreading throughout the entire UPS. After disconnecting the power-depleted battery packs, the UPS cannot supply power to the target load, causing the target load to malfunction and resulting in significant economic losses. If a device could charge the power-depleted battery packs within the UPS, this situation would be avoided. However, currently, there is no device capable of charging power-depleted battery packs within a UPS, and this problem urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] In view of this, the purpose of this utility model is to provide a UPS power replenishment high-voltage control box to solve the technical problem in the prior art that the battery pack in the UPS in a discharged state cannot be charged, thus causing the UPS to be unable to supply power to the target load. The specific solution is as follows:

[0005] To address the aforementioned technical problems, this utility model provides a UPS power replenishment high-voltage control box, comprising: a control box housing, wherein a BCU is disposed inside the control box housing, and a first outer side plate of the control box housing is provided with a BAT terminal for connecting to an external power supply device, a PCS terminal for connecting to the battery pack to be replenished in the UPS, a first communication terminal, and a second communication terminal; the first communication terminal is used to transmit the operating data of the battery pack to be replenished to the BCU, so that the BCU controls the external power supply device to charge the battery pack to be replenished; the second communication terminal is used to connect to an external host computer, so that the external host computer monitors the operating data of the battery pack to be replenished.

[0006] Preferably, both the BAT terminal and the PCS terminal are OT terminals.

[0007] Preferably, both the first communication terminal and the second communication terminal are through-wall terminals.

[0008] Preferably, the first outer side plate is further provided with a power supply terminal for connecting to an external power supply and a switch for controlling the on / off state of the BCU; the control box body is further provided with a voltage converter for converting the power supply voltage provided by the power supply terminal into the power supply voltage of the BCU.

[0009] Preferably, the power supply terminal is a through-wall terminal with three pins.

[0010] Preferably, the second outer side plate of the control box body is provided with two handles for carrying the control box body.

[0011] Preferably, a retractable pull rod is provided on the third outer side plate of the control box body, and a pulley is provided on the bottom plate of the control box body. The pulley can drive the control box body to move in any direction under the action of the pull rod.

[0012] Preferably, the pull rod includes a first square tube and a second square tube that are sleeved together. The second square tube is disposed inside the first square tube. The first square tube is provided with a T-shaped handle on the side away from the pulley. The second square tube is provided with a fixing member for fixing the first square tube in the telescopic position on the second square tube.

[0013] Preferably, the fixing element is a spring locating pin and / or a non-removable screw.

[0014] Preferably, the control box housing is further provided with a fuse, a contactor, and a shunt for establishing an electrical connection between the BAT terminal and the PCS terminal. The fuse, the contactor, and the shunt are respectively located inside the control box housing near the first outer side panel. The negative terminal of the BAT terminal and the negative terminal of the PCS terminal are electrically connected through the shunt, and the positive terminal of the BAT terminal and the positive terminal of the PCS terminal are electrically connected through the fuse and the contactor.

[0015] Beneficial Effects: The UPS power replenishment high-voltage control box provided in this embodiment includes: a control box body, a BCU (Battery Control Unit) disposed inside the control box body, and a BAT terminal for connecting to an external power supply device, a PCS terminal for connecting to the battery pack to be replenished in the UPS, a first communication terminal, and a second communication terminal on the first outer side plate of the control box body. The first communication terminal is used to transmit the operating data of the battery pack to be replenished to the BCU, so that the BCU controls the external power supply device to charge the battery pack; the second communication terminal is used to connect to an external host computer, so that the external host computer can monitor the operating data of the battery pack to be replenished.

[0016] In this configuration, when the user connects an external power supply to the BAT terminal of the UPS power supply control box and connects the battery pack to be charged to the PCS terminal, the BCU inside the UPS power supply control box can obtain the operating data of the battery pack through the first communication terminal and control the external power supply to charge the battery pack based on this data. Simultaneously, the user can connect to an external host computer through the second communication terminal on the UPS power supply control box and view the real-time operating status of the battery pack. Clearly, this UPS power supply control box can effectively charge battery packs in a depleted state within the UPS, thus avoiding the technical problem of a depleted battery pack preventing the UPS from supplying power to the target load. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0018] Figure 1 This is a structural diagram of the first outer side plate in a UPS power replenishment high voltage control box provided in an embodiment of the present utility model;

[0019] Figure 2 An internal structural diagram of a UPS power replenishment high-voltage control box provided in an embodiment of this utility model;

[0020] Figure 3 Working principle diagram of the high-voltage control box for UPS power replenishment;

[0021] Figure 4 This is an overall structural diagram of another UPS power supply high-voltage control box provided in an embodiment of the present utility model;

[0022] Figure 5 This is a schematic diagram showing the lever in the pulled-up position.

[0023] Figure 6 This is a schematic diagram showing the lever in the closed state.

[0024] Figure 7 Right view of a UPS power supply voltage control box provided in an embodiment of this utility model;

[0025] Figure 8 A front view of a UPS power supply voltage control box provided in an embodiment of this utility model;

[0026] Figure 9 A left view of a UPS power supply voltage control box provided in an embodiment of this utility model;

[0027] Figure 10 A top view of a UPS power supply voltage control box provided in an embodiment of this utility model;

[0028] Figure 11 An isometric view of a UPS power supply voltage control box provided for an embodiment of this utility model.

[0029] Figure label:

[0030] 10-First outer side plate; 11-BAT terminal; 12-PCS terminal; 13-Second communication terminal; 14-First communication terminal; 15-Power supply terminal; 16-Switch; 101-BCU; 102-Screw; 103-Voltage converter; 104-Shunt unit; 105-Fuse; 106-Contaminant; 107-Copper busbar; 108-Shelf; 109-Insulating post; 20-Second outer side plate; 21-Handle; 30-Third outer side plate; 31-Pull rod; 300-Handle; 301-First square tube; 302-Second square tube; 303-Capsule screw; 304-Spring locating pin; 41-Pulley. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see Figure 1 , Figure 1This is a structural diagram of the first outer side panel of a UPS high-voltage control box provided in an embodiment of the present invention. The UPS high-voltage control box includes: a control box body, with a BCU (Battery Control Unit) installed inside the control box body. The first outer side panel 10 of the control box body is provided with a BAT terminal 11 for connecting to an external power supply device, a PCS terminal 12 for connecting to the battery pack to be charged in the UPS, a first communication terminal 14, and a second communication terminal 13. The first communication terminal 14 is used to transmit the operating data of the battery pack to be charged to the BCU, so that the BCU controls the external power supply device to charge the battery pack. The second communication terminal 13 is used to connect to an external host computer, so that the external host computer can monitor the operating data of the battery pack to be charged.

[0033] In this embodiment, a UPS power replenishment high-voltage control box is provided. This UPS power replenishment high-voltage control box can be used to charge the battery pack in the UPS that is in a state of power failure, thereby avoiding the technical problem that the UPS cannot supply power to the target load normally when there is a power failure in the battery pack.

[0034] The UPS power supply high-voltage control box includes a control box body, which is typically designed as a cuboid structure. Inside the control box body is a BCU (Battery Control Unit). The first outer panel 10 of the control box body has a BAT terminal 11, a PCS terminal 12, a first communication terminal 14, and a second communication terminal 13. In practical applications, the BAT terminal 11 and PCS terminal 12 can be positioned on the left and right sides of the first outer panel 10, respectively, while the first communication terminal 14 and the second communication terminal 13 can be positioned near the center edge of the first outer panel 10 to facilitate wiring of power lines and communication lines.

[0035] In practical applications, the first outer side plate 10 is fixed to the control box body by multiple screws 102. Furthermore, the BAT terminal 11 is divided into a positive terminal and a negative terminal, and the PCS terminal 12 is also divided into a positive terminal and a negative terminal.

[0036] The BAT terminal 11 on the first outer panel 10 of the control box is used to connect to an external power supply device. This external power supply device can be a constant voltage source, a backup battery, or a power replenishment device. The PCS terminal 12 on the first outer panel 10 of the control box is used to connect to the battery pack to be replenished in the UPS, i.e., the battery pack in the UPS that is currently in a power-off state. The first communication terminal 14 on the first outer panel 10 of the control box is used to transmit the operating data of the battery pack to be replenished to the BCU via a daisy-chain connection. This allows the BCU to control the external power supply device to charge the battery pack in the UPS based on the operating data, thereby restoring the battery pack's power to a normal range. The second communication terminal 13 on the first outer panel 10 of the control box is used to connect to an external host computer, allowing the user to observe the operating data of the battery pack to be replenished in real time, thus achieving the purpose of real-time monitoring of the battery pack's operating status.

[0037] In this configuration, when the user connects an external power supply to the BAT terminal of the UPS power supply control box and connects the battery pack to be charged to the PCS terminal, the BCU inside the UPS power supply control box can obtain the operating data of the battery pack through the first communication terminal and control the external power supply to charge the battery pack based on this data. Simultaneously, the user can connect to an external host computer through the second communication terminal on the UPS power supply control box and view the real-time operating status of the battery pack. Clearly, this UPS power supply control box can effectively charge battery packs in a depleted state within the UPS, thus avoiding the technical problem of a depleted battery pack preventing the UPS from supplying power to the target load.

[0038] Based on the above embodiments, this embodiment further explains and optimizes the technical solution. As a preferred implementation, both BAT terminal 11 and PCS terminal 12 are OT terminals.

[0039] In this embodiment, the BAT terminal 11 and PCS terminal 12 provided on the first outer side plate of the control box can be configured as OT terminals. Using OT terminals allows for a tight connection of wires, effectively preventing problems such as loosening and poor contact. Furthermore, OT terminals require no soldering; simply insert the wires into the wiring holes of the OT terminal and lock them in place using a snap-fit ​​method. This simple and quick operation greatly improves the efficiency of connecting external power supply devices and the battery pack to be recharged in the UPS to the UPS high-voltage control box.

[0040] In addition, because the wiring of the OT terminal is more flexible, the power lines drawn from the OT terminal can be routed upward, downward, left and right, which further improves the convenience for users when using the UPS power replenishment high voltage control box.

[0041] Based on the above embodiments, this embodiment further explains and optimizes the technical solution. As a preferred implementation, both the first communication terminal 14 and the second communication terminal 13 are through-wall terminals.

[0042] In this embodiment, the first communication terminal 14 and the second communication terminal 13 can be configured as through-wall terminals. Because through-wall terminals can use a fixing sleeve to firmly lock the wires to the control box, the installation process is simple and quick. Moreover, through-wall terminals can be installed side by side on metal plates with a thickness of 1mm to 10mm, and can automatically compensate for and adjust the distance of the metal panel thickness. This can significantly improve the convenience for users when using the first communication terminal 14 and the second communication terminal 13.

[0043] Please continue reading Figure 1 In a preferred embodiment, the first outer side plate 10 is also provided with a power supply terminal 15 for connecting to an external power supply and a switch 16 for controlling the on / off state of the BCU; the control box is also provided with a voltage converter for converting the power supply voltage provided by the power supply terminal 15 into the power supply voltage of the BCU.

[0044] Since the BCU is a low-voltage power supply device, to ensure its normal and stable operation, a power supply terminal 15 and a switch 16 can be installed on the first outer panel 10 of the control box, and a voltage converter can be installed inside the control box. With this configuration, when the user connects the power supply terminal 15 on the control box to an external power supply and turns on the switch 16, the voltage converter inside the control box can convert the 220V AC power supplied by the external power supply to 24V DC power, thereby providing a stable power source to the BCU. This further improves the stability and reliability of the BCU during operation.

[0045] In addition, because the power supply terminal 15 on the first outer panel 10 of the control box needs to be connected to AC power, the power supply terminal 15 will have a live wire port, a neutral wire port, and a ground port. That is, in practical applications, the power supply terminal 15 needs to be set as a through-wall terminal with 3 pins.

[0046] Based on the above embodiments, this embodiment further explains and optimizes the technical solution. Please refer to [link / reference]. Figure 2 , Figure 2This is an internal structural diagram of a UPS power supply high-voltage control box provided in an embodiment of the present invention. In a preferred embodiment, the control box also includes a fuse 105, a contactor 106, and a shunt 104 for establishing an electrical connection between the BAT terminal 11 and the PCS terminal 12. The fuse 105, contactor 106, and shunt 104 are respectively located within the control box near the first outer side plate 10. The negative terminal of the BAT terminal 11 and the negative terminal of the PCS terminal 12 are electrically connected through the shunt 104, and the positive terminal of the BAT terminal 11 and the positive terminal of the PCS terminal 12 are electrically connected through the fuse 105 and the contactor 106.

[0047] In this embodiment, to ensure the stability and reliability of the UPS power supply high-voltage control box during use, a fuse 105, a contactor 106, and a shunt 104 are also installed in the control box. The negative terminal of BAT terminal 11 and the negative terminal of PCS terminal 12 are electrically connected through the shunt 104, while the positive terminal of BAT terminal 11 and the positive terminal of PCS terminal 12 are electrically connected through the fuse 105 and the contactor 106.

[0048] Specifically, shunt 104 is used to disconnect the electrical connection between BAT terminal 11 and PCS terminal 12 when the current in the connection line between the negative terminal of BAT terminal 11 and the negative terminal of PCS terminal 12 is too high; similarly, fuse 105 is used to disconnect the electrical connection between BAT terminal 11 and PCS terminal 12 when the current in the connection line between the positive terminal of BAT terminal 11 and the positive terminal of PCS terminal 12 is too high. Contactor 106 is used to control the establishment of an electrical connection between the positive terminal of BAT terminal 11 and the positive terminal of PCS terminal 12. BCU 101 establishes or disconnects the electrical connection in the line by controlling the on and off of contactor 106. In this case, BCU 101 can control the battery pack charging logic through contactor 106.

[0049] It should be noted that the fuse 105 is connected to the negative terminal of the PCS terminal 12 and the negative terminal of the BAT terminal 11 on the first outer side plate 10 via the copper busbar 107; the contactor 106 is connected to the positive terminal of the PCS terminal 12 and the positive terminal of the BAT terminal 11 on the first outer side plate 10 via the copper busbar 107; and the shunt 104 is also connected to the positive terminal of the PCS terminal 12 and the positive terminal of the BAT terminal 11 on the first outer side plate 10 via the copper busbar 107. Figure 2(Due to the limitation of the view display angle, it cannot be shown). In order to ensure that there is a certain space gap between the copper busbar 107 and the outer side plate of the control box, in this embodiment, the copper busbar 107 in the control box is physically supported by the insulating column 109.

[0050] Additionally, a shelf 108 can be installed inside the control box, and the BCU 101 can be fixed to the shelf 108 with screws. The on / off state of the BCU 101 can be controlled by a voltage converter 103 installed inside the control box. The voltage converter 103 is located below the BCU, and the BCU 101 and the voltage converter 103 are located inside the control box away from the first outer side plate 10. The contactor 106, fuse 105, shunt 104, copper busbar 107, and insulating post 109 are located inside the control box near the first outer side plate 10. This arrangement facilitates wiring to the BAT terminal 11 and the PCS terminal 12.

[0051] Please see Figure 3 , Figure 3 This diagram illustrates the working principle of the UPS power supply high-voltage control box. When the user connects an external power supply device to the positive terminals BAT+ and BAT- of terminal 11 on the UPS power supply high-voltage control box, and connects the battery pack to be charged in the UPS to the positive terminals PCS+ and PCS- of terminal 12 on the PCS, the BCU101 inside the UPS power supply high-voltage control box can obtain the operating data of the battery pack to be charged through the positive terminals A+ and A- of the first communication terminal 14, and control the external power supply device to charge the battery pack based on the operating data. Simultaneously, the user can connect to an external host computer through the positive terminals B+ and B- of the second communication terminal 13 on the UPS power supply high-voltage control box to view the real-time operating status of the battery pack to be charged. During this process, the live wire port L, neutral wire port N, and grounding port PB in power supply terminal 15 are connected to the external power supply. When switch 16 is turned on, the voltage converter 103 inside the control box converts the 220V AC power supplied by the external power supply into 24V DC power, thus providing a stable power supply voltage to BCU101. Clearly, this UPS power replenishment high-voltage control box can charge the battery pack in the UPS that is in a discharged state, thereby avoiding the technical problem of a discharged battery pack in the UPS failing to supply power to the target load normally.

[0052] Based on the above embodiments, this embodiment further explains and optimizes the technical solution. Please refer to [link / reference]. Figure 4 , Figure 4This is an overall structural diagram of another UPS power replenishment high-voltage control box provided in an embodiment of the present invention. In a preferred embodiment, two handles 21 for carrying the control box are provided on the second outer side panel 20 of the control box body.

[0053] Considering the need to move the UPS power supply voltage control box back and forth at the operating site in practical applications, two handles 21 can be provided on the second outer side panel 20 of the control box for easy handling. Specifically, the two handles 21 can be fixed to the second outer side panel 20 of the control box by screws, welding, or other means.

[0054] Please continue reading Figure 4 In a preferred embodiment, a telescopic pull rod 31 is provided on the third outer side plate 30 of the control box body, and a pulley 41 is provided on the bottom plate of the control box body. The pulley 41 can drive the control box body to move in any direction under the action of the pull rod 31.

[0055] In this embodiment, to further improve the speed at which users can move the UPS power supply high-voltage control box at the operating site, a telescopic pull rod 31 can be installed on the third outer side plate 30 of the control box body, and a pulley 41 can be installed on the bottom plate of the control box body. With this configuration, the pulley 41 on the bottom plate of the control box body can move the control box body in any direction under the action of the pull rod 31. This allows users to easily move the UPS power supply high-voltage control box to any location at the operating site, thereby improving the efficiency of user handling of the UPS power supply high-voltage control box.

[0056] In a preferred embodiment, the pull rod 31 includes a first square tube 301 and a second square tube 302 that are sleeved together. The second square tube 302 is disposed inside the first square tube 301. The first square tube 301 is provided with a T-shaped handle 300 on the side away from the pulley 41. The second square tube 302 is provided with a fixing member for fixing the extension and retraction position of the first square tube 301 on the second square tube 302.

[0057] In this embodiment, the pull rod 31 is described in detail. Please refer to [link / reference]. Figure 5 and Figure 6 , Figure 5 This is a diagram showing the lever in the pulled-up position. Figure 6This is a schematic diagram showing the lever 31 in the closed state. The lever 31 is composed of a first square tube 301 and a second square tube 302 that are nested together. The second square tube 302 is fitted inside the first square tube 301. Furthermore, the first square tube 301 has a T-shaped handle 300 on the side away from the pulley 41, allowing the user to easily push, pull, and move the control box. In addition, to prevent the control box from detaching during transport, a fixing element is provided on the second square tube 302 to secure the first square tube 301 to its extended position, thus ensuring the control box's stability when moved.

[0058] Specifically, the fasteners can be set as spring positioning pins 304 and / or captive screws 303. Furthermore, to further improve the stability of the control box when the user is handling it, multiple spring positioning pins 304 and captive screws 303 can be evenly arranged on the second square tube 302.

[0059] Please see Figures 7 to 11 , Figure 7 This is a right view of a UPS power supply voltage control box provided in an embodiment of the present invention. Figure 8 This is a front view of a UPS power supply voltage control box provided in an embodiment of the present invention. Figure 9 This is a left view of a UPS power supply voltage control box provided in an embodiment of the present invention. Figure 10 This is a top view of a UPS power supply voltage control box provided in an embodiment of the present invention. Figure 11 An isometric view of a UPS power supply voltage control box provided for an embodiment of this utility model.

[0060] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A UPS power replenishment high-voltage control box, characterized in that, include: The control box contains a BCU (Battery Control Unit). The first outer side plate of the control box has a BAT terminal for connecting to an external power supply, a PCS terminal for connecting to the battery pack to be charged in the UPS, a first communication terminal, and a second communication terminal. The first communication terminal transmits the operating data of the battery pack to be charged to the BCU, enabling the BCU to control the external power supply to charge the battery pack. The second communication terminal connects to an external host computer, allowing the host computer to monitor the operating data of the battery pack.

2. The UPS power replenishment high-voltage control box according to claim 1, characterized in that, Both the BAT terminal and the PCS terminal are OT terminals.

3. The UPS power replenishment high-voltage control box according to claim 1, characterized in that, Both the first communication terminal and the second communication terminal are through-wall terminals.

4. A UPS power replenishment high-voltage control box according to claim 1, characterized in that, The first outer side plate is also provided with a power supply terminal for connecting to an external power supply and a switch for controlling the on / off state of the BCU; the inside of the control box is also provided with a voltage converter for converting the power supply voltage provided by the power supply terminal into the power supply voltage of the BCU.

5. A UPS power replenishment high-voltage control box according to claim 4, characterized in that, The power supply terminal is specifically a through-wall terminal with three pins.

6. A UPS power replenishment high-voltage control box according to claim 1, characterized in that, The second outer side panel of the control box is provided with two handles for carrying the control box.

7. A UPS power replenishment high-voltage control box according to claim 6, characterized in that, A retractable pull rod is provided on the third outer side plate of the control box, and a pulley is provided on the bottom plate of the control box. The pulley can drive the control box to move in any direction under the action of the pull rod.

8. A UPS power replenishment high-voltage control box according to claim 7, characterized in that, The pull rod includes a first square tube and a second square tube that are nested together. The second square tube is located inside the first square tube. The first square tube has a T-shaped handle on the side away from the pulley. The second square tube has a fixing member for fixing the first square tube in the telescopic position on the second square tube.

9. A UPS power replenishment high-voltage control box according to claim 8, characterized in that, The fasteners are specifically spring locating pins and / or non-removable screws.

10. A UPS power replenishment high-voltage control box according to any one of claims 1 to 9, characterized in that, The control box housing is further equipped with a fuse, a contactor, and a shunt for establishing an electrical connection between the BAT terminal and the PCS terminal. The fuse, the contactor, and the shunt are respectively located inside the control box housing near the first outer side panel. The negative terminal of the BAT terminal and the negative terminal of the PCS terminal are electrically connected through the shunt, and the positive terminal of the BAT terminal and the positive terminal of the PCS terminal are electrically connected through the fuse and the contactor.

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