CN216289311U - High-density large-current driving box - Google Patents
High-density large-current driving box Download PDFInfo
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- CN216289311U CN216289311U CN202121672109.1U CN202121672109U CN216289311U CN 216289311 U CN216289311 U CN 216289311U CN 202121672109 U CN202121672109 U CN 202121672109U CN 216289311 U CN216289311 U CN 216289311U
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910052802 copper Inorganic materials 0.000 claims abstract description 41
- 239000010949 copper Substances 0.000 claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 230000017525 heat dissipation Effects 0.000 claims abstract description 17
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 claims description 30
- 238000001816 cooling Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- IUYHQGMDSZOPDZ-UHFFFAOYSA-N 2,3,4-trichlorobiphenyl Chemical compound ClC1=C(Cl)C(Cl)=CC=C1C1=CC=CC=C1 IUYHQGMDSZOPDZ-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
A high-density large-current drive box comprises a drive board, a bus copper bar assembly, a signal bus board assembly, a control board assembly and a heat dissipation system assembly; the bus copper bar assembly comprises a connecting plate, a copper bar and a 128-pin connector and is used for supplying power to the driving plate; the signal bus board assembly comprises a signal bus board and a 32-pin connector; the control panel assembly is arranged at the end part of the signal bus board and is in bidirectional signal connection with the signal bus board; each set of driving board and a corresponding set of 128-pin connector, each set of driving board comprises a driving board substrate with a built-in driving board module, a driving panel and a driving board guide rail, and the driving board substrate, the driving panel and the driving board guide rail are used for outputting formation capacity-sharing current; the heat dissipation system component comprises a plurality of air exhaust type heat dissipation fans which are used for extracting heat generated by the driving board module and the bus copper bar component together. The utility model has the beneficial effects that: the whole structure size is compact, and energy density is high, can bear great electric current, and the core drive plate module channel number can general combination, and is difficult for inserting the mistake.
Description
Technical Field
The utility model relates to a high-density large-current driving box, and belongs to the technical field of multi-channel formation and capacity grading equipment.
Background
The present common multi-channel formation and grading equipment driving box has the following characteristics: 1. the size of the finished product equipment is large, the general size is 650mm in length, 350mm in width and 550mm in height, and because the size of the finished product drive box is large, the finished product drive box can only be arranged outside the chemical composition capacity grading equipment, and an extra field is required to be considered for arranging the drive box; 2. the core driving plate module of the common driving box has large size, and the common specification has the length of 500mm and the width of 330 mm; 3. the common drive box core drive board module has small overcurrent capacity, and the maximum bearing current of the common drive board module is 20-30A; 4. once the channel number of the common core drive board module of the drive box is determined, the channel number can not be randomly changed or combined, and various drive board modules are required to be made according to different customer requirements so as to meet the requirements of different customers; 5. the whole finished product of the driving box is heated unevenly, and the core driving board module is overheated and cannot bear higher current capacity because the core driving board module does not have an independent air duct; 6. in a common multi-channel driving box, a current terminal between channels has no physical fool-proof structure, and the positive electrode and the negative electrode are easily inserted in a wrong way.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides the high-density large-current driving box which has the advantages of compact overall structure size, high energy density, capability of bearing larger current, universal combination of the number of channels of the core driving board modules and difficulty in wrong insertion.
The utility model relates to a high-density large-current driving box, which is characterized in that: the device comprises a drive board for controlling the charging and discharging functions of component capacitance, a bus copper bar assembly for supplying power to the drive board, a signal bus board assembly for realizing signal transfer, a control board assembly for acquiring input and output control signals of the drive board and a radiating system assembly for radiating;
the bus copper bar assembly comprises a PCB for fixing and transmitting current and voltage control information, a copper bar for conducting electricity and a 128-pin connector for supplying power to a driving plate and transmitting the control information in a two-way mode, the PCB is provided with two end faces which are parallel to each other, and a driving plate module is arranged in the PCB and takes one face, in which the driving plate is inserted, as the front face, and vice versa; the rear end face of the PCB is fixedly provided with copper bars for conducting electricity along the axial direction of the PCB, the front end face of the PCB is fixedly provided with a plurality of sets of 128-pin connectors along the axial direction, and the connection contacts of the 128-pin connectors are kept forward and are used for being plugged with the power supply port of the driving board module to supply power to the driving board module; the copper bar comprises a plurality of copper bars which are parallel to each other, the copper bars are arranged in a row along the airflow direction of the drive board module, the front end face of the copper bar is electrically connected with a wiring terminal of the 128-pin connector, and the rear end face of the copper bar is electrically connected with an external power supply through the AC-DC bidirectional inverter;
the signal bus board assembly comprises a signal bus board and a 32-pin connector, wherein the signal bus board is installed on the front end face of the PCB below the 128-pin connector; the 32-pin connectors are axially mounted on the signal bus board along a PCB board, each set of the 32-pin connectors corresponds to one set of the 128-pin connectors, and the signal bus board is in bidirectional signal connection with the 128-pin connectors through the 32-pin connectors;
the control board assembly is arranged at the end part of the signal bus board, and a signal transmission port of the control board assembly is in bidirectional signal connection with a signal transmission port of the signal bus board;
each set of driving plate and the corresponding set of 128-pin connector respectively comprise a driving plate substrate, a driving panel and a driving plate guide rail, the driving plate substrate is slidably mounted on the front end surface of the PCB through the driving plate guide rail, the front part and the rear part of the driving plate substrate are respectively provided with a driving plate module air duct inlet and a driving plate module air duct outlet, an air duct guide structure is covered outside the driving plate module air duct inlet, and the top of the air duct guide structure is provided with a plurality of air inlets; the drive board substrate is internally provided with a drive board module, the drive board module is provided with at least one independent test channel, each test channel is provided with a connection channel plugging port corresponding to a connection contact of the 128-pin connector and a pair of current connecting terminals for charging and discharging, the connection channel plugging port and the current connecting terminals are respectively arranged on two sides of the drive board module, and the current connecting terminals are respectively a positive current connecting terminal and a negative current connecting terminal and are used for outputting a component capacitance test current; the driving panel is detachably arranged at the front part of the driving panel substrate, a plurality of pairs of current terminal fool-proofing structures are arranged on the driving panel, and each positive current connecting terminal and each negative current connecting terminal is correspondingly provided with one current terminal fool-proofing structure for ensuring that the current connecting terminals between the positive current connecting terminal and the negative current connecting terminal and between the testing channel and the testing channel are not interfered with each other;
the heat dissipation system component comprises a plurality of air exhaust type heat dissipation fans, the air exhaust type heat dissipation fans are arranged at the rear parts of the air channel guide structures of the drive plate modules, and air exhaust openings of the air exhaust type heat dissipation fans are arranged at the air channel outlets of the drive plate modules and used for exhausting heat generated by the drive plate modules and the bus copper bar components together through the air channel guide structures.
Furthermore, the driving board substrate is provided with a plurality of second cooling fans, the second cooling fans are arranged at the top of the driving board substrate, and air outlets of the second cooling fans are aligned with air inlets of the air duct guide structures and used for inputting cold air into the driving board substrate.
Furthermore, a handle is arranged on the driving panel.
Further, the driving panel is detachably mounted to the front portion of the driving panel substrate by a panel fastening screw.
Furthermore, the signal bus board is an L-shaped board structure.
The utility model has the beneficial effects that: (1) compared with a common multi-channel component capacity equipment driving box, the multi-channel component capacity equipment driving box has the advantages that the structure is more compact, the energy density is higher, the size of a single driving plate module is 200mmx100mm, the driving box can be directly planned and designed in the component capacity equipment as a component module, multiple groups of driving boxes can be connected in parallel for simultaneous use according to requirements, and extra occupied space outside the equipment is not needed;
(2) multiple channel selection schemes are provided, and the same drive box can theoretically realize the optional selection of 1-16 channel schemes under the condition of not changing any hardware facilities; flexible and changeable channel scheme selection can be realized only by increasing or decreasing the universal drive board module; the conventional drive board has the advantages that all the channels are arranged on one drive board module, and once the drive board module is determined, the number of the channels cannot be changed randomly;
(3) the driving board module provides a scheme for changing the number of channels by software, namely one channel of a single driving board can be selected, two channels of the single driving board module can also be selected, and the two channels are independent and do not influence each other;
(4) the large-current scheme is provided, the general bearing capacity of a conventional drive board module is only 20-30A current, and a single channel of a single drive board module in the scheme can bear 200A current to the maximum extent and far exceeds that of conventional drive box equipment;
(5) the driving plate is provided with a driving plate guide rail and a handle, the maintenance mode is extremely simple, the driving plate module can be quickly plugged and pulled out by loosening two panel fastening screws, and the driving plate module can be conveniently and quickly replaced or maintained;
(6) the drive board is from 4 kinds of physics fool-proofing structures of taking, ensures positive and negative pole current terminal, test passageway and test passageway between current terminal, mutual noninterference, do not have the wrong risk of inserting.
Drawings
Fig. 1 is a signal transmission block diagram of the present invention.
Fig. 2 is a front view of the structure of the present invention.
Fig. 3 is a side view of the present invention.
FIG. 4 is a schematic illustration of the connection of the present invention;
FIG. 5 is a front view of the connection of the present invention;
FIG. 6 is a front view of the drive plate module of the present invention;
FIG. 7 is a top view of the drive plate module of the present invention;
fig. 8 is one of the structural views of the driving board substrate of the present invention;
fig. 9 is a second structure diagram of the driving board substrate of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
With reference to the accompanying drawings:
the bus copper bar assembly 2 comprises a PCB 21 for fixing and transmitting current and voltage control information, a copper bar 22 for conducting electricity and a 128-pin connector 23 for supplying power to the driving board module and transmitting control information in a two-way mode, wherein the PCB 21 is provided with two end faces which are parallel to each other, and one face of the PCB in which the driving board module 1 is inserted is taken as the front face, and the other face is taken as the back face; the rear end face of the PCB 21 is axially welded with a copper bar 22 for conducting electricity along the PCB, and the front end face of the PCB 21 is axially and fixedly provided with a plurality of sets of 128-pin connectors 23, keeps the connection contacts of the 128-pin connectors 23 forward, and is used for being plugged with a power supply port of the drive board module 1 to supply power to the drive board module and bidirectionally transmit control information; the copper bar 22 comprises a plurality of copper bars which are parallel to each other, the copper bars are arranged in a row along the airflow direction of the driving board module, the front end surface of the copper bar 22 is electrically connected with the wiring terminal of the 128-pin connector 23, and the rear end surface of the copper bar 22 is electrically connected with an external power supply through the AC-DC bidirectional inverter 6; the bus copper bar assembly 2 can be connected with the AC-DC bidirectional inverter 6 to obtain electricity, the bus copper bar assembly 2 supplies power to the drive board module 1 through a 128-pin connector 23, a plurality of sets of 128-pin connectors 23 are welded on the bus copper bar assembly 2 according to the relative size of the drive board module, and each set of 128-pin connector 23 is correspondingly inserted into one set of drive board module 1;
the signal bus board assembly 3 comprises a signal bus board 31 and a 32-pin connector 32, wherein the signal bus board 31 is installed on the front end surface of the PCB 21 below the 128-pin connector 23; the 32-pin connectors 32 are axially mounted on the signal bus board 31 along a PCB board, each set of the 32-pin connectors 32 corresponds to one set of the 128-pin connectors 23, and the signal bus board 31 is in bidirectional signal connection with the 128-pin connectors 23 through the 32-pin connectors 32;
the control board assembly 4 is used for collecting input signals and output control signals of the drive board module 1, in order to ensure that the drive board module has a good heat dissipation air channel, the signal bus board assembly 3 is used for signal transfer, the control board assembly 4 is arranged at the end part of the signal bus board 3, and a signal transmission port of the control board assembly 4 is in bidirectional signal connection with a signal transmission port of the signal bus board 31;
each set of the driving board 1 and the corresponding set of the 128-pin connector 23, each set of the driving board 1 comprises a driving board base 11, a driving panel 12 and a driving board guide rail 13, the driving board base 11 is slidably mounted on the front end surface of the PCB 21 through the driving board guide rail 13, and the driving guide rail 13 is perpendicular to the front end surface, so that the driving board base can be directly plugged together with the 128-pin connector 23; the front part and the rear part of the driving plate substrate 11 are respectively provided with a driving plate module air duct inlet 111 and a driving plate module air duct outlet 112, so that cold air outside the driving plate substrate is ensured to be sucked into the driving box, and the cold air is forced to flow through the driving plate module, thereby ensuring that heat generated by the driving plate module can be taken away, the air duct guide structure 14 is covered outside the driving plate module air duct outlet 112, and a plurality of air outlets are distributed at the top of the air duct guide structure 14; the driver board substrate is internally provided with a driver board module which is a universal module, the number of channels can be selected at will according to customer requirements, the number of channels of the driver board module is related to the current carrying capacity of the driver board module, when the carrying current is smaller, the number of selectable channels is more only by occupying fewer pins of the connector, and when the carrying current is larger, the number of selectable channels is relatively less by occupying more pins of the connector; the driving board module is provided with 1 or 2 independent testing channels, each testing channel is provided with a connecting channel plugging port corresponding to the 128-pin connector connecting contact and a pair of current connecting terminals for charging and discharging, the connecting channel plugging port and the current connecting terminals are respectively arranged on two sides of the driving board module, and the current connecting terminals are respectively a positive current connecting terminal and a negative current connecting terminal and are used for outputting a formation partial-capacitance testing current; the driving panel 12 is detachably mounted at the front part of the driving panel substrate, and the driving panel 12 is provided with a plurality of pairs of current terminal fool-proofing structures 121, and each of the positive current connection terminal and the negative current connection terminal is correspondingly provided with one current terminal fool-proofing structure 121 for ensuring that the positive current connection terminal and the negative current connection terminal and the current connection terminals between the testing channel and the testing channel are not interfered with each other;
the cooling system component 5 comprises a plurality of air exhaust type cooling fans 51, the air exhaust type cooling fans 51 are arranged at the rear part of the air channel guide structure 14 of the drive plate, an air exhaust opening of each air exhaust type cooling fan 51 is arranged at the air channel outlet of the drive plate module, the heat of the drive plate module and the heat of the bus copper bar component are uniformly dissipated, the heat is extracted out through the air channel air guide structure, the air exhaust effect is guaranteed, and meanwhile, the cold air is guaranteed to flow through the drive plate module, so that the heat power consumption is taken away.
The whole width of generating line copper bar subassembly 2 along drive plate module air current direction is less than drive plate module thickness itself, guarantees that the drive plate module possesses good heat dissipation wind channel, guarantees that the heat work power consumption that the operation produced under the drive plate module heavy current condition is in time taken away.
The driving board substrate 11 is provided with a plurality of second cooling fans 113, so that heat generated when the driving board module operates in a large current state can be timely discharged; the second heat dissipation fan 113 is disposed at the top of the drive board substrate 11, and an air outlet of the second heat dissipation fan 113 is aligned with an air inlet of the air duct guide structure 14, and is configured to input cold air into the drive board substrate 11, and an air outlet duct of the second heat dissipation fan 113 is consistent with and communicated with an air duct of the drive box fan, so as to ensure that heat generated by the drive board module can completely enter the air duct guide structure of the drive board substrate, and thus the heat can be discharged more thoroughly.
The driving panel 12 is provided with a handle 122.
The driving panel 12 is detachably mounted on the front portion of the driving board base plate 11 through the panel fastening screws 123, the driving board module can be pulled out by loosening the two panel fastening screws 123 of the driving board module panel, when the driving board module is inserted, the driving board guide rail 13 plays a role in guiding and positioning, the 128-pin connector also has a guiding structure, and even if the driving board module is inserted in a blind manner, the driving board module can be easily inserted.
The signal bus board 31 is of an L-shaped board body structure, and the airflow direction of the signal bus board assembly 3 is parallel to that of the drive board module 1, so that the signal bus board assembly 3 is ensured not to influence the heat dissipation of the drive board module; the signal bus board assembly 3 and the bus copper bar assembly 2 adopt 32-pin connectors 32 to transmit signals, and each drive board module 1 corresponds to one set of 32-pin connectors.
The number of channels of the driving board module is related to the current carrying capacity of the driving board module, when the carrying current is smaller, only fewer pins of the connector are needed to be occupied, the number of selectable channels is more, and when the carrying current is larger, only more pins of the connector are needed to be occupied, and the number of selectable channels is relatively less; specifically, in the driver board module 1 in this embodiment, a single module may select to use a single test channel by using software, or use two test channels simultaneously; when the single test channel runs, the two test channels of the drive board module are connected in parallel to form one test channel, and the maximum current carrying capacity of the single drive board module is 200A at the moment; when two test channels are selected to operate simultaneously and the current carrying capacity of each test channel is 200A, the maximum current carrying capacity of the single drive board module is 400A at the moment; when the drive board modules run two test channels simultaneously and each test channel bears 200A current, the same bus copper bar assembly of the drive box can be expanded to butt joint with 8 drive board modules at most, namely the drive box can bear 16 channels of 200A current and run simultaneously at most; when the drive board only runs a single test channel and each test channel bears 200A current, the same bus copper bar assembly of the drive board can be expanded to butt joint 8 drive board modules at most, and at the moment, the drive box is 8 channels with 200A current; under the condition that other hardware facilities of the drive box are not changed, the number of channels can be reduced in equal proportion, namely, the number of drive plate modules is directly reduced, so that the configuration requirements of different client channels are met through adjustment, and the number of the configuration drive plates corresponds to the number of the channels as follows:
| configuring the number of driver board modules | Corresponding to the number of |
| 1 piece |
1 channel/2 |
| 2 |
2 channel/4 |
| 3 |
3 channel/6 |
| 4 |
4 channel/8 |
| 5 |
5 channel/10 |
| 6 |
6 channel/12 channel |
| 7 drive plate modules | 7 channel/14 channel |
| 8 drive plate module | 8 channel/16 channel |
The current terminal fool-proofing structure 121 with 4 physical structures is arranged on the driving panel of the driving board 1, when a single driving board module runs two testing channels simultaneously, 4 current lines, namely a first current positive pole, a first current negative pole, a second current positive pole and a second current negative pole, correspond to four current terminal fool-proofing structures respectively, and the four current terminal fool-proofing structures on the driving board can guarantee that the 4 current lines are mutually independent without the possibility of wrong insertion.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the utility model should not be considered limited to the specific forms set forth in the embodiments but include equivalent technical means as would be recognized by those skilled in the art based on the inventive concept.
Claims (5)
1. The utility model provides a high density heavy current drive case which characterized in that: the device comprises a driving board for controlling the formation into a charging and discharging function, a bus copper bar assembly for supplying power to the driving board, a signal bus board assembly for realizing signal transfer, a control board assembly for acquiring input and output control signals of the driving board and a radiating system assembly for radiating;
the bus copper bar assembly comprises a PCB for fixing and transmitting current and voltage control information, a copper bar for conducting electricity and a 128-pin connector for supplying power to a driving plate and transmitting the control information in a two-way mode, the PCB is provided with two end faces which are parallel to each other, and a driving plate module is arranged in the PCB and takes one face, in which the driving plate is inserted, as the front face, and vice versa; the rear end face of the PCB is fixedly provided with copper bars for conducting electricity along the axial direction of the PCB, the front end face of the PCB is fixedly provided with a plurality of sets of 128-pin connectors along the axial direction, and the connection contacts of the 128-pin connectors are kept forward and are used for being plugged with the power supply port of the driving board module to supply power to the driving board module; the copper bar comprises a plurality of copper bars which are parallel to each other, the copper bars are arranged in a row along the airflow direction of the drive board module, the front end face of the copper bar is electrically connected with a wiring terminal of the 128-pin connector, and the rear end face of the copper bar is electrically connected with an external power supply through an AC-DC bidirectional inverter;
the signal bus board assembly comprises a signal bus board and a 32-pin connector, wherein the signal bus board is installed on the front end face of the PCB below the 128-pin connector; the 32-pin connectors are axially mounted on the signal bus board along a PCB board, each set of the 32-pin connectors corresponds to one set of the 128-pin connectors, and the signal bus board is in bidirectional signal connection with the 128-pin connectors through the 32-pin connectors;
the control board assembly is arranged at the end part of the signal bus board, and a signal transmission port of the control board assembly is in bidirectional signal connection with a signal transmission port of the signal bus board;
each set of drive plate corresponds to one set of 128-pin connector, each set of drive plate comprises a drive plate substrate with a built-in drive plate, a drive panel and a drive plate guide rail, the drive plate substrate is slidably mounted on the front end surface of the PCB through the drive plate guide rail, the front part and the rear part of the drive plate substrate are respectively provided with a drive plate module air duct inlet and a drive plate module air duct outlet, an air duct guide structure is covered outside the drive plate module air duct inlet, and the top of the air duct guide structure is provided with a plurality of air inlets; the drive board substrate is internally provided with a drive board module, the drive board module is provided with at least one independent test channel, each test channel is provided with a connection channel plugging port corresponding to a connection contact of the 128-pin connector and a pair of current connecting terminals for charging and discharging, the connection channel plugging port and the current connecting terminals are respectively arranged on two sides of the drive board module, and the current connecting terminals are respectively a positive current connecting terminal and a negative current connecting terminal and are used for outputting a component capacitance test current; the driving panel is detachably arranged at the front part of the driving panel substrate, a plurality of pairs of current terminal fool-proofing structures are arranged on the driving panel, and each positive current connecting terminal and each negative current connecting terminal is correspondingly provided with one current terminal fool-proofing structure for ensuring that the current connecting terminals between the positive current connecting terminal and the negative current connecting terminal and between the testing channel and the testing channel are not interfered with each other;
the heat dissipation system component comprises a plurality of air exhaust type heat dissipation fans, the air exhaust type heat dissipation fans are arranged at the rear parts of the air channel guide structures of the drive plate modules, and air exhaust openings of the air exhaust type heat dissipation fans are arranged at the air channel outlets of the drive plate modules and used for exhausting heat generated by the drive plate modules and the bus copper bar components together through the air channel guide structures.
2. A high density high current drive case according to claim 1, wherein: the driving board substrate is provided with a plurality of second cooling fans, the second cooling fans are arranged at the top of the driving board substrate, and air outlets of the second cooling fans are aligned with air inlets of the air duct guide structures and used for inputting cold air into the driving board substrate.
3. A high density high current drive case according to claim 2, wherein: and a handle is arranged on the driving panel.
4. A high density high current drive case according to claim 3, wherein: the driving panel is detachably mounted on the front portion of the driving panel substrate through a panel fastening screw.
5. A high density high current drive case according to claim 1, wherein: the signal bus board is of an L-shaped board body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121672109.1U CN216289311U (en) | 2021-07-22 | 2021-07-22 | High-density large-current driving box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121672109.1U CN216289311U (en) | 2021-07-22 | 2021-07-22 | High-density large-current driving box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216289311U true CN216289311U (en) | 2022-04-12 |
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ID=81058231
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121672109.1U Withdrawn - After Issue CN216289311U (en) | 2021-07-22 | 2021-07-22 | High-density large-current driving box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216289311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540896A (en) * | 2021-07-22 | 2021-10-22 | 浙江杭可科技股份有限公司 | High-density large-current driving box |
-
2021
- 2021-07-22 CN CN202121672109.1U patent/CN216289311U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540896A (en) * | 2021-07-22 | 2021-10-22 | 浙江杭可科技股份有限公司 | High-density large-current driving box |
| CN113540896B (en) * | 2021-07-22 | 2024-05-10 | 浙江杭可科技股份有限公司 | High-density high-current driving box |
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