CN117200168A - A maintenance-free hot-swappable DC feed unit - Google Patents
A maintenance-free hot-swappable DC feed unit Download PDFInfo
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- CN117200168A CN117200168A CN202311351480.1A CN202311351480A CN117200168A CN 117200168 A CN117200168 A CN 117200168A CN 202311351480 A CN202311351480 A CN 202311351480A CN 117200168 A CN117200168 A CN 117200168A
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- busbar
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- direct current
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Abstract
The utility model provides a overhaul uninterrupted power supply hot plug direct current feed unit, includes the module mounting panel, is equipped with the female row of positive negative pole and the bypass base subassembly of fixed mounting on the module mounting panel, and the positive negative pole is female to be arranged and is run through bypass base subassembly, and bypass base subassembly lower extreme is equipped with two feeder connecting screw, and bypass base subassembly and bypass switching module detachably are connected. Through the female row of positive negative pole and the female electric connection who arranges of output grafting, and bypass spring's elasticity effect, the cooperation of input connector and bypass groove on the bypass transfer module of recombination realizes that bypass base subassembly and bypass transfer module are connected, switch on with two feeder connection screw through the circuit breaker on the female row of positive negative pole, then direct current load provides overload and short-circuit protection by the circuit breaker, and when pulling out bypass transfer module from bypass base subassembly, positive negative pole is female to be arranged directly and two feeder connection screw switch on, play the guard action when then bypass transfer module installs, the load also can not fall the electricity when bypass transfer module pulls out.
Description
Technical Field
The invention relates to the technical field of direct current system equipment, in particular to a maintenance uninterrupted hot plug direct current feed unit.
Background
The feeder screen of the direct current system is a part which is directly connected with a power supply for a direct current load, the load is protected through a breaker, each path of load is connected with one feeder unit, the breaker of the feeder unit is used for protecting the load, the breaker is required to be disconnected when the breaker is required to be overhauled or replaced, at the moment, the load is powered down, the subsequent overhauling or replacing operation can be carried out after the connection between the load and the breaker is disconnected, the load is transferred to another place for supplying power, the load is restored to the original position after the overhauling or replacing is completed, the load is powered off for many times in the process, and the direct current load which needs uninterrupted power supply is very unfriendly.
Disclosure of Invention
The invention aims to solve the technical problem of providing an uninterrupted hot plug direct current power supply unit for maintenance, which can solve the problem that a load needs to be powered off when the current direct current system power supply unit is maintained or replaced.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a overhaul uninterrupted power supply hot plug direct current feed unit, direct current feed unit includes the module mounting panel, be equipped with the female row of positive negative pole and the bypass base subassembly of fixed mounting on the module mounting panel, positive negative pole is female to be arranged and is run through bypass base subassembly, bypass base subassembly lower extreme is equipped with two feeder connecting screw, bypass base subassembly and bypass switching module detachably are connected, when bypass switching module is not connected with bypass switching module, positive negative pole is female to be arranged and two feeder connecting screw switch on, feeder connecting screw is connected with direct current load, when bypass base subassembly and bypass switching module are connected, positive negative pole is female to be arranged and two feeder connecting screw disconnection switch-on states and turn into and be connected with the circuit breaker on the bypass switching module, the output of circuit breaker switches on with two feeder connecting screw at this moment.
The bypass switching module is formed by connecting and combining the bypass switching module and the circuit breaker through switching wires, two groups of switching connectors are arranged on the bypass switching module, each group of switching connectors are respectively provided with an input connector and an output connector, the input connector and the output connector are respectively electrically connected with switching wires of the input end and the output end of the circuit breaker, and the input connector and the output connector are used for being matched with the bypass base assembly to realize that the circuit breaker protects a load when the bypass switching module is inserted and the load is not powered down when the bypass switching module is pulled out.
The bypass base assembly comprises a base shell and a bottom plate, two groups of bypass structures corresponding to the switching connectors on the bypass connector module are arranged on the bottom plate, each group of bypass structures comprises a bypass busbar connected with a feeder line connecting screw, the tail end of the bypass busbar is provided with a vertical bypass output plug busbar, the position of the bypass output plug busbar corresponds to that of the output connector, the bypass output plug busbar is electrically connected with a bypass groove at the front end of the bypass busbar, a bypass spring is arranged below the bypass groove, the two bypass grooves are arranged in a staggered mode and correspond to that of the input connector, the anode busbar is respectively located above the two bypass grooves, the bypass groove is directly contacted with the anode busbar and the cathode busbar under the action of the bypass spring when the bypass connector module is pulled out, and the bypass groove is pressed downwards by the two input connectors to enable the bypass groove to be separated from contact with the anode busbar and the cathode busbar when the bypass connector is plugged in, and the anode busbar is electrically connected with the input connector.
The bypass groove comprises a groove bottom plate and groove side plates on two sides of the groove bottom plate, the end part of the input connector is an inverted trapezoid shell, the width of the end part of the inverted trapezoid shell is equal to that of a notch of the bypass groove, a notch for the positive and negative electrode busbar to enter is formed in the end part of the inverted trapezoid shell, and a bus clamp is arranged in the inverted trapezoid shell.
The base shell comprises an output guide socket matched with the position of the output connector and an input guide socket matched with the input connector, wherein the input guide socket is provided with two different notches according to the difference of the positions of the two female rows of the positive and negative electrode female rows, and the input guide socket is provided with a female row guide groove which is convenient for the positive and negative electrode female rows to pass through.
The bypass is connected and is equipped with the electric leakage transformer in the plug-in module, two and input connector's switching wire pass the electric leakage transformer simultaneously, still be equipped with in the bypass plug-in module with switching wire electricity be connected power indicator, voltage and current detecting element, electric leakage transformer, voltage and current detecting element all are connected with the state acquisition PCB board electricity through the state detection interface, are equipped with monitoring module on the state acquisition PCB board.
The positive and negative electrode busbar is fixed through busbar fixing blocks on two sides of the module mounting plate.
The bypass plugging module is provided with a circuit breaker clamping groove for fixing the circuit breaker.
The monitoring module is connected with the state acquisition PCB board by detachable plug-in connection.
According to the maintenance uninterrupted hot-plug direct-current feed unit, through the electric connection of the positive and negative electrode busbar and the output plug-in busbar and the elastic action of the bypass spring, the matching of the input connector on the bypass switching module and the bypass groove is combined, when the bypass base assembly is connected with the bypass switching module, the direct-current power supply on the positive and negative electrode busbar is conducted by the two feeder line connecting screws through the circuit breaker, the two feeder line connecting screws are conducted to connect a direct-current load, overload and short-circuit protection are provided by the circuit breaker, when the bypass switching module is pulled out from the bypass base assembly, the positive and negative electrode busbar is directly conducted with the two feeder line connecting screws, the bypass switching module plays a role of protection when being installed, the load is not powered down when the bypass switching module is pulled out, and the load protection effect can be recovered immediately by replacing a new bypass switching module, and maintenance or replacement operation is realized.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of a hot plug DC power supply unit without power outage according to the present invention;
FIG. 2 is a side view of an uninterruptible power hot plug DC power supply unit of the present invention;
FIG. 3 is a bottom view of an uninterruptible hot plug DC feed unit;
FIG. 4 is a top view of an uninterruptible power hot plug DC feed unit;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a schematic diagram of a bypass switch module;
FIG. 7 is a cross-sectional view of a bypass switch module;
FIG. 8 is a schematic diagram of a bypass base assembly;
FIG. 9 is a schematic diagram of a bypass base assembly;
FIG. 10 is a schematic diagram of a base plate structure of the bypass base assembly;
FIG. 11 is a schematic diagram of a floor structure of a bypass base assembly;
FIG. 12 is a schematic diagram illustrating the connection of a bypass base assembly to a bypass switch module;
fig. 13 is an enlarged partial schematic view of fig. 12.
Wherein: module mounting board 1, bypass base assembly 2, base housing 21, bottom plate 22, output guide socket 23, input guide socket 24, wiring guide port 25, busbar guide slot 26, positive and negative busbar 3, bypass switch module 4, bypass plug module 41, leakage transformer 411, status detection plug socket 412, power indicator 413, circuit breaker card slot 414, circuit breaker 42, busbar fixing block 5, lower fixing block 51, upper fixing block 52, fixing screw 53, status acquisition PCB board 6, monitoring module 7, switch wire 8, switch plug 9, input connector 91, output connector 92, inverted trapezoid housing 93, notch 94, busbar clamp 95, feeder connection screw 10, bypass busbar 11, bypass output plug busbar 12, bypass slot 13, slot bottom plate 131, slot side plate 132, bypass spring 14.
Detailed Description
As shown in fig. 1-5, a maintenance uninterrupted hot plug direct current feed unit, the direct current feed unit comprises a module mounting plate 1, a positive and negative electrode busbar 3 and a bypass base assembly 2 are fixedly mounted on the module mounting plate 1, the positive and negative electrode busbar 3 penetrates through the bypass base assembly 2, two feeder line connecting screws 10 are arranged at the lower end of the bypass base assembly 2, the bypass base assembly 2 is detachably connected with a bypass switching module 4, when the bypass switching module 4 is not connected with the bypass switching module 4, the positive and negative electrode busbar 3 is conducted with the two feeder line connecting screws 10, the feeder line connecting screws 10 are connected with direct current loads, when the bypass base assembly 2 is connected with the bypass switching module 4, the positive and negative electrode busbar 3 is disconnected from the two feeder line connecting screws 10 and is connected with a circuit breaker 42 on the bypass switching module 4, and at the moment, the output end of the circuit breaker 42 is conducted with the two feeder line connecting screws 10.
When the bypass base assembly 2 is connected with the bypass switching module 4, the direct current power supply on the positive and negative electrode busbar 3 is conducted with the two feeder connecting screws 10 through the circuit breaker 42, the two feeder connecting screws 10 are conducted to connect the direct current load, the circuit breaker 42 provides overload and short-circuit protection, when the bypass switching module 4 is pulled out of the bypass base assembly 2, the positive and negative electrode busbar 3 is directly conducted with the two feeder connecting screws 10, the bypass switching module 4 plays a role in protection when being installed, the load is not powered down when the bypass switching module 4 is pulled out, and the load protection effect can be immediately recovered when the new bypass switching module 4 is replaced, so that maintenance or replacement operation is realized without load and power failure.
As shown in fig. 6 and 7, the bypass switching module 4 is formed by connecting and combining a bypass plugging module 41 and a circuit breaker 42 through a switching wire 8, two groups of switching plugs 9 are arranged on the bypass plugging module 41, each group of switching plugs 9 is respectively provided with an input plug 91 and an output plug 92, the input plug 91 and the output plug 92 are respectively electrically connected with the switching wire 8 at the input end and the output end of the circuit breaker 42, and the input plug 91 and the output plug 92 are used for realizing that the circuit breaker 42 protects a load when the bypass switching module 4 is plugged in and the load is not powered down when the bypass switching module 4 is unplugged when being matched with the bypass base assembly 2.
As shown in fig. 8-11, the above bypass base assembly 2 is composed of a base housing 21 and a bottom plate 22, two groups of bypass structures corresponding to the switching connectors 9 on the bypass connector module 41 are arranged on the bottom plate 22, each group of bypass structures comprises a bypass busbar 11 connected with a feeder line connecting screw 10, the tail end of the bypass busbar 11 is provided with a vertical bypass output connector busbar 12, the position of the bypass output connector busbar 12 corresponds to the output connector 92, the bypass output connector busbar 12 is electrically connected with a bypass groove 13 at the front end of the bypass output connector busbar 12, a bypass spring 14 is arranged below the bypass groove 13, the two bypass grooves 13 are staggered and correspond to the input connector 91, the anode and cathode busbars 3 are respectively located above the two bypass grooves 13, the bypass grooves 13 are directly contacted with the anode and cathode busbars 3 under the action of the bypass spring 14 when the bypass connector module 4 is pulled out, and at this time, the two input connectors 91 press the bypass grooves 13 downwards to separate the contact with the anode and cathode busbars 3 and the anode busbars 91 when the bypass connector module 4 is inserted.
As shown in fig. 12 and 13, by electrically connecting the positive and negative electrode busbar 3 with the output plugging busbar 12 and by the elastic force of the bypass spring 14, in combination with the matching of the input connector 91 and the bypass groove 13 on the bypass switching module 4, the positive and negative electrode busbar 3 and the input connector 91 are electrically connected to protect the direct current load through the circuit breaker 42 when the bypass switching module 4 is plugged in, and the positive and negative electrode busbar 3 and the output plugging busbar 12 are directly electrically connected when the bypass switching module 4 is unplugged.
As shown in fig. 11, the bypass groove 13 is composed of a groove bottom plate 131 and groove side plates 132 on both sides thereof, the end of the input connector 91 is an inverted trapezoid casing 93, the width of the end of the inverted trapezoid casing 93 is equal to the width of the notch of the bypass groove 13, the end of the inverted trapezoid casing 93 is provided with a notch 94 for the positive and negative electrode busbar 3 to enter, and a bus bar 95 is arranged in the inverted trapezoid casing 93.
Through the inverted trapezoid arrangement of the inverted trapezoid shell 93, the rear width of the inverted trapezoid shell 93 is larger than the notch width of the bypass groove 13, and therefore the bypass groove 13 can be pressed downwards to be separated from contact with the positive and negative electrode busbar 3 after the input connector 91 is inserted into the bypass groove 13.
As shown in fig. 8 and 9, the above-described base housing 21 includes the output guide socket 23 which is position-matched with the output connector 92, and the input guide socket 24 which is position-matched with the input connector 91, the input guide socket 24 being provided with two different notches depending on the two busbar positions of the positive and negative electrode busbar 3, and the input guide socket 24 being provided with the busbar guide groove 26 which facilitates the passage of the positive and negative electrode busbar 3.
As shown in fig. 6 and 7, the bypass connector module 41 is provided with a leakage transformer 411, two transfer wires 8 connected with the input connector 91 simultaneously pass through the leakage transformer 411, the bypass connector module 41 is also provided with a power indicator 413 and a voltage and current detecting element electrically connected with the transfer wires 8, and the leakage transformer 411, the voltage and current detecting element are electrically connected with the state acquisition PCB 6 through a state detection connector 412, and the state acquisition PCB 6 is provided with a monitoring module 7.
The switching wires 8 of the positive electrode and the negative electrode form a loop with the positive electrode busbar 3 and the direct current load, one of the switching wires 8 of the two switching wires and the input connector 91 is an anode input wiring, the other switching wire is a cathode input wiring, the current of the two switching wires in the loop is equal and opposite, the total current of the two switching wires is detected to be 0 by the leakage transformer 411, and when leakage occurs, the balance is destroyed, and the total current detected by the leakage transformer 411 is not 0, namely the leakage occurs.
As shown in fig. 1, the positive and negative electrode busbar 3 is fixed by busbar fixing blocks 5 on both sides of the module mounting board 1.
As shown in fig. 7, the bypass connector block 41 is provided with a breaker groove 414 for fixing the breaker 42.
As shown in fig. 1, the monitoring module 7 and the state acquisition PCB 6 are detachably connected by plugging.
Claims (9)
1. The utility model provides a overhaul uninterrupted power supply hot plug direct current feed unit, a serial communication port, direct current feed unit includes module mounting panel (1), be equipped with positive negative pole busbar (3) and bypass base subassembly (2) of fixed mounting on module mounting panel (1), positive negative pole busbar (3) run through bypass base subassembly (2), bypass base subassembly (2) lower extreme is equipped with two feeder connecting screw (10), bypass base subassembly (2) are connected with bypass switching module (4) detachably, when bypass switching module (4) are not connected with bypass switching module (4), positive negative pole busbar (3) switch on with two feeder connecting screw (10), feeder connecting screw (10) are connected with direct current load, when bypass base subassembly (2) are connected with bypass switching module (4), positive negative pole busbar (3) disconnect the state of switching with two feeder connecting screw (10) and turn on with two feeder connecting screw (42) on the bypass switching module (4), the output of circuit breaker (42) is switched on with two feeder connecting screw (10) this moment.
2. The maintenance uninterrupted power hot plug direct current feed unit according to claim 1, wherein the bypass switching module (4) is formed by connecting and combining a bypass switching module (41) and a circuit breaker (42) through switching wires (8), two groups of switching connectors (9) are arranged on the bypass switching module (41), each group of switching connectors (9) is respectively provided with an input connector (91) and an output connector (92), the input connector (91) and the output connector (92) are respectively electrically connected with the switching wires (8) of the input end and the output end of the circuit breaker (42), and the input connector (91) and the output connector (92) are used for being matched with the bypass base assembly (2) to realize that the circuit breaker (42) protects a load when the bypass switching module (4) is inserted and the load is not powered off when the bypass switching module (4) is pulled out.
3. The maintenance uninterrupted power hot plug direct current feed unit according to claim 1, wherein the bypass base assembly (2) is composed of a base shell (21) and a bottom plate (22), two groups of bypass structures corresponding to the switching plug connectors (9) on the bypass plug modules (41) are arranged on the bottom plate (22), each group of bypass structures comprises a bypass busbar (11) connected with a feeder line connecting screw (10), the tail end of the bypass busbar (11) is provided with a vertical bypass output plug busbar (12), the position of the bypass output plug busbar (12) corresponds to the position of the output plug connector (92), the bypass output plug busbar (12) is electrically connected with a bypass groove (13) at the front end of the bypass output plug busbar, a bypass spring (14) is arranged below the bypass groove (13), the two bypass grooves (13) are arranged in a staggered mode and correspond to the input plug connectors (91), the bypass grooves (3) are respectively located above the two bypass grooves (13), when the bypass plug modules (4) are pulled out, the bypass groove (13) is in direct contact with the bypass grooves (3) under the action of the bypass spring (14), and when the bypass plug modules (4) are pushed down, the bypass grooves (3) are pushed down to make the bypass grooves (3) contact with the positive and negative plug connectors (91), at this time, the positive and negative electrode busbar (3) is electrically connected with the input connector (91).
4. A maintenance uninterrupted power hot plug direct current feed unit according to claim 3, characterized in that the bypass groove (13) is composed of a groove bottom plate (131) and groove side plates (132) on two sides of the groove bottom plate, the end part of the input connector (91) is an inverted trapezoid shell (93), the width of the end part of the inverted trapezoid shell (93) is equal to the width of a notch of the bypass groove (13), the end part of the inverted trapezoid shell (93) is provided with a notch (94) for the positive and negative busbar (3) to enter, and a bus clamp (95) is arranged in the inverted trapezoid shell (93).
5. The maintenance uninterrupted power hot plug direct current feed unit according to claim 4, wherein the base shell (21) comprises an output guide socket (23) matched with the output connector (92) in position and an input guide socket (24) matched with the input connector (91), the input guide socket (24) is provided with two different notches according to the difference of the positions of two busbar of the positive and negative busbar (3), and the input guide socket (24) is provided with a busbar guide groove (26) which is convenient for the positive and negative busbar (3) to pass through.
6. The maintenance uninterrupted power hot plug direct current feed unit according to claim 5, wherein a leakage transformer (411) is arranged in the bypass plug-in module (41), two transfer wires (8) connected with the input plug-in module (91) simultaneously pass through the leakage transformer (411), a power indicator (413) and a voltage and current detection element which are electrically connected with the transfer wires (8) are further arranged in the bypass plug-in module (41), and the leakage transformer (411) and the voltage and current detection element are electrically connected with the state acquisition PCB (6) through a state detection plug-in socket (412), and a monitoring module (7) is arranged on the state acquisition PCB (6).
7. The maintenance uninterrupted power hot plug direct current power supply unit according to claim 6, wherein the positive and negative electrode busbar (3) is fixed through busbar fixing blocks (5) on two sides of the module mounting plate (1).
8. The maintenance uninterrupted power hot plug direct current power supply unit according to claim 7, wherein the bypass plugging module (41) is provided with a circuit breaker clamping groove (414) for fixing the circuit breaker (42).
9. The maintenance uninterrupted power hot plug direct current feed unit according to claim 8, wherein the monitoring module (7) is detachably connected with the state acquisition PCB (6) in a plug-in mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311351480.1A CN117200168A (en) | 2023-10-18 | 2023-10-18 | A maintenance-free hot-swappable DC feed unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311351480.1A CN117200168A (en) | 2023-10-18 | 2023-10-18 | A maintenance-free hot-swappable DC feed unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117200168A true CN117200168A (en) | 2023-12-08 |
Family
ID=89001794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311351480.1A Withdrawn CN117200168A (en) | 2023-10-18 | 2023-10-18 | A maintenance-free hot-swappable DC feed unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117200168A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119742195A (en) * | 2024-12-25 | 2025-04-01 | 深圳供电局有限公司 | Integrated scalable DC switch |
-
2023
- 2023-10-18 CN CN202311351480.1A patent/CN117200168A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119742195A (en) * | 2024-12-25 | 2025-04-01 | 深圳供电局有限公司 | Integrated scalable DC switch |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20231208 |
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| WW01 | Invention patent application withdrawn after publication |