CN104333976A - Circuit connection structure and tuber pipe machine - Google Patents
Circuit connection structure and tuber pipe machine Download PDFInfo
- Publication number
- CN104333976A CN104333976A CN201410571709.7A CN201410571709A CN104333976A CN 104333976 A CN104333976 A CN 104333976A CN 201410571709 A CN201410571709 A CN 201410571709A CN 104333976 A CN104333976 A CN 104333976A
- Authority
- CN
- China
- Prior art keywords
- input
- output
- row
- wiring
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Structure Of Printed Boards (AREA)
Abstract
The invention discloses a circuit connection structure and a duct type air conditioner, comprising: a circuit board provided with: a plurality of input terminal blocks and at least one output terminal block; the input wiring bar comprises a plurality of input interfaces which are used for being electrically connected with the power output interfaces of the driving power supply in a one-to-one correspondence manner; the output wiring bar comprises a plurality of output interfaces which are used for being electrically connected with the power input interfaces of the working devices in a one-to-one correspondence manner, and the number of the output interfaces of the output wiring bar is greater than that of the input interfaces of the input wiring bar; the input interfaces of the input wiring row are correspondingly connected with the output interfaces of the output wiring row one by one, and at least one of the input interfaces of any two input wiring rows is connected with a different output interface. The circuit connection relationship between the driving power supply and the plurality of working devices is arranged on the circuit board, so that the connection complexity of the driving power supply and the working devices is reduced. The interface of the circuit board is designed into the wiring row, so that the complexity of connection is further reduced, and the connection error rate is further reduced.
Description
Technical Field
The invention relates to the technical field of line connection, in particular to a circuit connection structure and an air duct machine.
Background
When the existing circuit connection structure is used for electrically connecting the driving power supply with a plurality of working devices, especially one driving power supply can select different connection interfaces to drive the working devices to work under different voltage environments, the circuit connection is complex, and the wiring quantity is large.
Taking an a 2-series air duct machine as an example, referring to fig. 1, a schematic diagram of a conventional a 2-series air duct machine is shown, and includes a driving power supply 100, a first fan motor 201, and a second fan motor 202. Two fan motor can parallel operation, and every fan motor all includes five gear electric potentials: the low-level potential 200a, the middle-level potential 200b, the high-level potential 200c, the ultrahigh-level potential 200d and the zero line potential 200e, and the driving power supply 100 comprises four output ports (100a, 100b, 100c and 100d), different-level input voltages can be selected to realize different static pressures, that is, when the static pressure is changed, a gear wiring port and an output wiring port of the driving power supply 100 need to be plugged and unplugged for many times, so that the probability of plugging errors, plugging faults and plugging leakage is improved, and the production efficiency is reduced.
Disclosure of Invention
In view of this, the invention provides a circuit connection structure and a duct machine, in which the circuit connection relationship between the driving power supply and the working device is set on the circuit board, and the circuit board is only required to be connected with the driving power supply and the working device, so that the circuit connection is facilitated, and the error rate is reduced.
The following is the technical scheme provided by the invention:
a circuit connection structure for electrically connecting a driving power supply with a plurality of working devices, the driving power supply including a plurality of power output interfaces, the power input interfaces of the plurality of working devices being the same, and the plurality of working devices being capable of operating in parallel, comprising: a circuit board;
the circuit board is provided with: a plurality of input terminal blocks and at least one output terminal block;
the input wiring bar comprises a plurality of input interfaces which are used for being electrically connected with the power output interfaces of the driving power supply in a one-to-one correspondence manner;
the output wiring bar comprises a plurality of output interfaces which are used for being electrically connected with the power input interfaces of the working devices in a one-to-one correspondence mode, and the number of the output interfaces of the output wiring bar is larger than that of the input interfaces of the input wiring bar;
the input interfaces of the input wiring rows are correspondingly connected with the output interfaces of the output wiring rows one by one, and at least one of the input interfaces of any two input wiring rows is connected with a different output interface.
Preferably, the circuit board is a printed circuit board, a flexible circuit board or a rigid-flex printed circuit board.
Preferably, the input wiring row is a row plug pin or a row plug socket;
and the output wiring bar is a row plug pin or a row plug socket.
Preferably, the number of the output terminal blocks is the same as the number of the working devices, and the output terminal blocks correspond to the working devices.
A circuit connection structure applied to a duct machine comprises: a circuit board;
the circuit board is provided with:
a first input bank of wires and a second input bank of wires, the first input bank of wires comprising: the low-grade potential input interface, the middle-grade potential input interface, the high-grade potential input interface and the zero line input interface; the second input terminal block includes: the system comprises a low-level potential input interface, a middle-level potential input structure, an ultrahigh-level potential input interface and a zero line input interface;
at least one output bank, the output bank comprising: the low-level potential output interface, the middle-level potential output interface, the high-level potential output interface, the ultrahigh-level potential output interface and the zero line output interface;
the input interfaces of the first input wiring row and the second input wiring row are electrically connected with the output interfaces of the output wiring rows with the same gear correspondingly.
Preferably, the circuit board is a printed circuit board, a flexible circuit board or a rigid-flex printed circuit board.
Preferably, the first input wiring row and the second input wiring row are both extension pins or extension sockets;
and the output wiring bar is a row plug pin or a row plug socket.
A duct machine comprises a driving power supply, a first fan motor, a second fan motor and a circuit connection structure, wherein the circuit connection structure is the circuit connection structure;
the driving power supply comprises a power output wiring bar, the power output wiring bar comprises a first power output interface, a second power output interface, a third power output interface and a fourth power output interface, and the power output wiring bar is electrically connected with the first input wiring bar or the second input wiring bar;
and the first fan motor and the second fan motor both comprise a power input wiring row, the power input wiring row comprises a low-level potential power input interface, a medium-level potential power input interface, a high-level potential power input interface, an ultrahigh-level potential power input interface and a zero line power input interface, and the power input wiring rows of the first fan motor and the second fan motor are corresponding to the output wiring rows and are electrically connected.
Preferably, the first input wiring row and the second input wiring row are both extension socket pins, and the power output wiring row is an extension socket; or,
first input wiring row and second input wiring row are row socket, power output wiring row is row plug pin.
Preferably, the output wiring row is a socket pin, and the power input wiring row is a socket; or,
the output wiring row is a socket, and the power input wiring row is a socket pin.
Compared with the prior art, the technical scheme provided by the invention has the following advantages:
the circuit connection structure and the air duct machine provided by the invention comprise: a circuit board; the circuit board is provided with: a plurality of input terminal blocks and at least one output terminal block; the input wiring bar comprises a plurality of input interfaces which are used for being electrically connected with the power output interfaces of the driving power supply in a one-to-one correspondence manner; the output wiring bar comprises a plurality of output interfaces which are used for being electrically connected with the power input interfaces of the working devices in a one-to-one correspondence manner, and the number of the output interfaces of the output wiring bar is greater than that of the input interfaces of the input wiring bar; the input interfaces of the input wiring rows are correspondingly connected with the output interfaces of the output wiring rows one by one, and at least one of the input interfaces of any two input wiring rows is connected with a different output interface.
As can be seen from the above, by arranging the circuit connection relationship between the driving power supply and the plurality of working devices on the circuit board, when the driving power supply is electrically connected to the plurality of working devices, only the interface of the driving power supply needs to be connected to the corresponding interface of the circuit board, and the interfaces of the plurality of working devices need to be connected to the corresponding interfaces of the circuit board, so that the connection complexity is reduced. And the interface of the circuit board is designed into a wiring row, so that the connection complexity is further reduced, the circuit connection is facilitated, the connection error rate is reduced, and the potential safety hazard is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the electrical connections of a prior art A2 series ducted air conditioner;
fig. 2 is a schematic diagram of a circuit connection structure according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of a circuit connection of a duct type air conditioner according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As described in the background art, the complex circuit connection requires wires, interfaces, and the like to be connected in a one-to-one sorting manner, so that the probability of wrong insertion, virtual insertion, and missed insertion is improved, and the production efficiency is reduced.
Based on this, the embodiments of the present application provide a circuit connection structure for electrically connecting a driving power source with a plurality of working devices, wherein power input interfaces of the plurality of working devices are the same, and the plurality of working devices can operate in parallel, wherein,
the circuit connection structure includes: a circuit board;
the circuit board is provided with: a plurality of input terminal blocks and at least one output terminal block;
the input wiring bar comprises a plurality of input interfaces which are used for being electrically connected with the power output interfaces of the driving power supply in a one-to-one correspondence manner;
the output wiring bar comprises a plurality of output interfaces which are used for being electrically connected with the power input interfaces of the working devices in a one-to-one correspondence manner, and the number of the output interfaces of the output wiring bar is greater than that of the input interfaces of the input wiring bar;
the input interfaces of the input wiring rows are correspondingly connected with the output interfaces of the output wiring rows one by one, and at least one of the input interfaces of any two input wiring rows is connected with a different output interface.
Optionally, the circuit board is a printed circuit board, a flexible circuit board or a rigid-flex board.
Furthermore, in order to better connect the circuit board with the driving power supply and the working device, the input wiring bar is a row-inserting pin or a row-inserting socket, namely, the input interfaces of the input wiring bar are pins or sockets; and the output wiring row is a row plug pin or a row plug socket, namely, the output interfaces of the output wiring row are both plug pins or sockets.
Because the plurality of working devices provided by the embodiment of the present application can operate in parallel, the embodiment of the present application does not specifically limit the number of the output line banks, and in some embodiments, the number of the output line banks is the same as the number of the working devices, and the output line banks correspond to the working devices.
As can be seen from the above, by arranging the circuit connection relationship between the driving power supply and the plurality of working devices on the circuit board, when the driving power supply is electrically connected to the plurality of working devices, only the interface of the driving power supply needs to be connected to the corresponding interface of the circuit board, and the interfaces of the plurality of working devices need to be connected to the corresponding interfaces of the circuit board, so that the connection complexity is reduced. And the interface of the circuit board is designed into a wiring row, so that the connection complexity is further reduced, the circuit connection is facilitated, and the connection error rate is further reduced.
In addition, an embodiment of the present application further provides a circuit connection structure, where the circuit connection structure is applied to a duct type air conditioner, and as shown in fig. 2, a schematic diagram of the circuit connection structure provided in the embodiment of the present application is provided, where the circuit connection structure includes: a circuit board 1;
the circuit board 1 includes:
a first input terminal block 11 and a second input terminal block 12, the first input terminal block 11 comprising: a low-level potential input interface 11a, a medium-level potential input interface 11b, a high-level potential input interface 11c and a zero line input interface 11 d; the second input terminal block 12 includes: a low-level potential input interface 12a, a medium-level potential input structure 12b, an ultrahigh-level potential input interface 12c and a zero line input interface 12 d;
at least one output terminal block 13, the output terminal block 13 comprising: a low-level potential output interface 13a, a medium-level potential output interface 13b, a high-level potential output interface 13c, an ultrahigh-level potential output interface 13d and a zero line output interface 13 e;
the input interfaces of the first input wiring row and the second input wiring row are electrically connected with the output interface of at least one output wiring row with the same gear.
That is, the low-level potential input interface 11a, the middle-level potential input interface 11b, the high-level potential input interface 11c and the zero line input interface 11d of the first input connection row 11 are respectively and correspondingly electrically connected with the low-level potential output interface 13a, the middle-level potential output interface 13b, the high-level potential output interface 13c and the zero line output interface 13e of the output connection row 13;
the low-level potential input interface 12a, the middle-level potential input structure 12b, the ultrahigh-level potential input interface 12c and the zero line input interface 12d of the second input wiring row 12 are respectively and correspondingly electrically connected with the low-level potential output interface 13a, the middle-level potential output interface 13b, the ultrahigh-level potential output interface 13d and the zero line output interface 13e of the output wiring row 13;
that is, after the first fan motor and the second fan motor are electrically connected with the circuit board, the first fan motor and the second fan motor run in parallel, and when the driving power supply is connected with the first input wiring row, the first fan motor and the second fan motor can be driven to run simultaneously; when the driving power supply is connected with the second input wiring row, the first fan motor and the second fan motor can be driven to operate simultaneously, and only the static pressure environments of the two connection modes are different.
Optionally, the circuit board is a printed circuit board, a flexible circuit board or a rigid-flex board.
Furthermore, in order to better connect the circuit board with the driving power supply and the fan motor, the first input wiring row and the second input wiring row are both pins or sockets, namely, the input interfaces of the first input wiring row and the second input wiring row are both pins or sockets; and the output wiring row is a row plug pin or a row plug socket, namely, the output interfaces of the output wiring row are both plug pins or sockets.
Because the plurality of working devices provided by the embodiment of the present application can operate in parallel, the number of the output line banks is not specifically limited in the embodiment of the present application, and in some embodiments, the number of the output line banks may be 2, and the output line banks correspond to the first fan motor and the second fan motor, respectively.
In addition, an embodiment of the present application further provides a duct machine, which may be an a2 series duct machine, and includes a driving power supply, a first fan motor, a second fan motor, and a circuit connection structure, where the circuit connection structure is the circuit connection structure provided in the embodiment corresponding to fig. 2;
the driving power supply 2 comprises a power output wiring bar 21, the power output wiring bar 21 comprises a first power output interface 21a, a second power output interface 21b, a third power output interface 21c and a fourth power output interface 21d, and the power output wiring bar 21 is electrically connected with the first input wiring bar 11 or the second input wiring bar 12;
and the first fan motor 31 and the second fan motor 32 both include a power input connection row 33, the power input connection row 33 includes a low-level potential power input interface 33a, a medium-level potential power input interface 33b, a high-level potential power input interface 33c, an ultra-high-level potential power input interface 33d and a zero-line power input interface 33e, and the power input connection rows 33 of the first fan motor 31 and the second fan motor 32 are correspondingly electrically connected with the output connection row 13.
That is, the power input connection row 33 includes a low-level potential power input interface 33a, a medium-level potential power input interface 33b, a high-level potential power input interface 33c, an ultra-high-level potential power input interface 33d, and a zero-line power input interface 33e, which are electrically connected to the low-level potential output interface 13a, the medium-level potential output interface 13b, the ultra-high-level potential output interface 13d, and the zero-line output interface 13e of the output connection row 13, respectively.
Optionally, the first input wiring row and the second input wiring row are both patch plug pins, that is, input interfaces of the first input wiring row and the second input wiring row are both pins, and the power output wiring row is a patch jack, that is, power output interfaces of the power output wiring row are both jacks; or,
the first input wiring row and the second input wiring row are both row socket sockets, namely, the input interfaces of the first input wiring row and the second input wiring row are both sockets, and the power output wiring row is a row socket contact pin, namely, the power output interfaces of the power output wiring row are contact pins.
The output wiring row is a row-inserting pin, namely output interfaces of the output wiring row are pins, and the power input wiring row is a row-inserting socket, namely power input interfaces of the power input wiring row are sockets; or,
the output wiring row is row socket, and the output interface of output wiring row is the socket promptly, and power input wiring row is row plug pin, and the power input interface of power input wiring row is the contact pin promptly.
The circuit connection structure and tuber pipe machine that this application embodiment provided includes: a circuit board; the circuit board is provided with: a plurality of input terminal blocks and at least one output terminal block; the input wiring bar comprises a plurality of input interfaces which are used for being electrically connected with the power output interfaces of the driving power supply in a one-to-one correspondence manner; the output wiring bar comprises a plurality of output interfaces which are used for being electrically connected with the power input interfaces of the working devices in a one-to-one correspondence manner, and the number of the output interfaces of the output wiring bar is greater than that of the input interfaces of the input wiring bar; the input interfaces of the input wiring rows are correspondingly connected with the output interfaces of the output wiring rows one by one, and at least one of the input interfaces of any two input wiring rows is connected with a different output interface.
As can be seen from the above, by arranging the circuit connection relationship between the driving power supply and the plurality of working devices on the circuit board, when the driving power supply is electrically connected to the plurality of working devices, only the interface of the driving power supply needs to be connected to the corresponding interface of the circuit board, and the interfaces of the plurality of working devices need to be connected to the corresponding interfaces of the circuit board, so that the connection complexity is reduced. And the interface of the circuit board is designed into a wiring row, so that the connection complexity is further reduced, the circuit connection is facilitated, and the connection error rate is further reduced.
Claims (10)
1. A circuit connection structure for with drive power supply and a plurality of working device electric connection, its characterized in that, drive power supply includes a plurality of power output interface, the power input interface of a plurality of working device is the same, just a plurality of working device can parallel operation, include: a circuit board;
the circuit board is provided with: a plurality of input terminal blocks and at least one output terminal block;
the input wiring bar comprises a plurality of input interfaces which are used for being electrically connected with the power output interfaces of the driving power supply in a one-to-one correspondence manner;
the output wiring bar comprises a plurality of output interfaces which are used for being electrically connected with the power input interfaces of the working devices in a one-to-one correspondence mode, and the number of the output interfaces of the output wiring bar is larger than that of the input interfaces of the input wiring bar;
the input interfaces of the input wiring rows are correspondingly connected with the output interfaces of the output wiring rows one by one, and at least one of the input interfaces of any two input wiring rows is connected with a different output interface.
2. The circuit connection structure according to claim 1, wherein the circuit board is a printed circuit board, a flexible circuit board, or a rigid-flex board.
3. The circuit connection structure of claim 1, wherein the input connection row is a row pin or a row socket;
and the output wiring bar is a row plug pin or a row plug socket.
4. The circuit connection structure according to claim 1, wherein the number of the output terminal blocks is the same as the number of the operating devices, and the output terminal blocks correspond to the operating devices.
5. The utility model provides a circuit connection structure, is applied to tuber pipe machine, its characterized in that includes: a circuit board;
the circuit board is provided with:
a first input bank of wires and a second input bank of wires, the first input bank of wires comprising: the low-grade potential input interface, the middle-grade potential input interface, the high-grade potential input interface and the zero line input interface; the second input terminal block includes: the system comprises a low-level potential input interface, a middle-level potential input structure, an ultrahigh-level potential input interface and a zero line input interface;
at least one output bank, the output bank comprising: the low-level potential output interface, the middle-level potential output interface, the high-level potential output interface, the ultrahigh-level potential output interface and the zero line output interface;
the input interfaces of the first input wiring row and the second input wiring row are electrically connected with the output interfaces of the output wiring rows with the same gear correspondingly.
6. The circuit connection structure according to claim 5, wherein the circuit board is a printed circuit board, a flexible circuit board, or a rigid-flex board.
7. The circuit connection structure of claim 5, wherein the first input wiring row and the second input wiring row are both pin headers or socket headers;
and the output wiring bar is a row plug pin or a row plug socket.
8. A ducted air conditioner, comprising a driving power supply, a first fan motor, a second fan motor and a circuit connection structure, wherein the circuit connection structure is the circuit connection structure of any one of claims 5 to 7;
the driving power supply comprises a power output wiring bar, the power output wiring bar comprises a first power output interface, a second power output interface, a third power output interface and a fourth power output interface, and the power output wiring bar is electrically connected with the first input wiring bar or the second input wiring bar;
and the first fan motor and the second fan motor both comprise a power input wiring row, the power input wiring row comprises a low-level potential power input interface, a medium-level potential power input interface, a high-level potential power input interface, an ultrahigh-level potential power input interface and a zero line power input interface, and the power input wiring rows of the first fan motor and the second fan motor are corresponding to the output wiring rows and are electrically connected.
9. The ducted air conditioner of claim 8, wherein the first and second input terminal rows are both patch pins and the power output terminal row is a patch jack; or,
first input wiring row and second input wiring row are row socket, power output wiring row is row plug pin.
10. The ducted air conditioner of claim 8, wherein the output terminal row is a patch pin and the power input terminal row is a patch jack; or,
the output wiring row is a socket, and the power input wiring row is a socket pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410571709.7A CN104333976B (en) | 2014-10-23 | 2014-10-23 | Circuit connection structure and tuber pipe machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410571709.7A CN104333976B (en) | 2014-10-23 | 2014-10-23 | Circuit connection structure and tuber pipe machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104333976A true CN104333976A (en) | 2015-02-04 |
| CN104333976B CN104333976B (en) | 2017-09-22 |
Family
ID=52408595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410571709.7A Active CN104333976B (en) | 2014-10-23 | 2014-10-23 | Circuit connection structure and tuber pipe machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104333976B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030161125A1 (en) * | 2002-02-28 | 2003-08-28 | Manfred Dobler | Adapter apparatus for memory modules |
| CN1491390A (en) * | 2001-02-14 | 2004-04-21 | �Ƹ��� | Configurable connectorized I/O system |
| US20050241852A1 (en) * | 2004-05-03 | 2005-11-03 | Labinal | Cross-connecting by permutations using configurable printed circuits |
| CN103944008A (en) * | 2013-01-17 | 2014-07-23 | 宏碁股份有限公司 | Connecting wire and connecting wire power supply method |
-
2014
- 2014-10-23 CN CN201410571709.7A patent/CN104333976B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1491390A (en) * | 2001-02-14 | 2004-04-21 | �Ƹ��� | Configurable connectorized I/O system |
| US20030161125A1 (en) * | 2002-02-28 | 2003-08-28 | Manfred Dobler | Adapter apparatus for memory modules |
| US20050241852A1 (en) * | 2004-05-03 | 2005-11-03 | Labinal | Cross-connecting by permutations using configurable printed circuits |
| CN103944008A (en) * | 2013-01-17 | 2014-07-23 | 宏碁股份有限公司 | Connecting wire and connecting wire power supply method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104333976B (en) | 2017-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203535155U (en) | Device for testing on-off of wire harness | |
| CN102455989A (en) | Hot-plug control system | |
| CN104333976B (en) | Circuit connection structure and tuber pipe machine | |
| CN102288841A (en) | Plug-in unit identification system and method of common testing interface | |
| CN201837695U (en) | Mobile terminal data line detection circuit and detection device | |
| CN101761501B (en) | Molecular pump model identifying method | |
| CN103869885A (en) | Expansion card and mainboard supporting expansion card | |
| CN205265621U (en) | Testing tool | |
| CN103543972A (en) | KVM switcher indicating device and KVM switching system | |
| CN204013250U (en) | Voltage conversion device | |
| CN102902303A (en) | Computer | |
| CN104750583A (en) | Mainboard power-on sequence diagnostic circuit | |
| CN103887674A (en) | Power-supply adapter plate and power-supplying system provided with power-supply adapter plate | |
| CN111967115B (en) | Drawing method of power supply schematic diagram and computer equipment | |
| CN104422844A (en) | Aviation plug interface test device | |
| CN103592555A (en) | Network interface monomer test equipment | |
| CN109473829B (en) | Signal switching device for multi-controller platform | |
| CN208590154U (en) | A kind of integrated board of I/O | |
| CN103347327B (en) | Light-emitting diode driving board, display floater drive plate and display device | |
| US8503176B2 (en) | Fan system with switching module connecting PWM device and fan | |
| CN208672731U (en) | A kind of winding displacement tester | |
| CN220190467U (en) | Universal power supply tool and testing device for NB (node B) test | |
| CN203014071U (en) | Electric connector with fool-proof function | |
| CN219066030U (en) | Automobile electronic control unit test bench based on hardware-in-loop equipment | |
| CN101163169B (en) | Test device for testing network appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |