CN208580145U - Controller operating voltage management system - Google Patents
Controller operating voltage management system Download PDFInfo
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- CN208580145U CN208580145U CN201821063031.1U CN201821063031U CN208580145U CN 208580145 U CN208580145 U CN 208580145U CN 201821063031 U CN201821063031 U CN 201821063031U CN 208580145 U CN208580145 U CN 208580145U
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Abstract
The utility model provides a kind of controller operating voltage management system, comprising: esd protection circuit discharges the electrostatic potential on supply lines, and by the input voltage signal on supply lines after electrostatic potential discharges, is converted into first voltage signal；TVS protects circuit, clamps to first voltage signal, obtains second voltage signal；EMC protection circuitry carries out the first filtering processing to second voltage signal, obtains tertiary voltage signal；CLC filter circuit carries out the second filtering processing to tertiary voltage signal, obtains the 4th voltage signal；Voltage monitoring circuit generates the 5th voltage signal, and clamped and be filtered, obtains the input voltage signal of controller for carrying out voltage division processing to the 4th voltage signal.Thereby it is ensured that the normal work of controller, and when voltage is abnormal, avoid controller from being damaged.
Description
Technical field
The utility model relates to electronic circuit technology field more particularly to a kind of controller operating voltage management systems.
Background technique
With the rapid development of computer technology and artificial intelligence technology, intelligent robot technology has become both at home and abroad
The hot spot of numerous scholar's researchs.
In the process of running, normal voltage when operation has certain range to vehicle, if controller work is abnormal
Voltage under, controller is possible to be damaged.Therefore, the range of voltage how is set, to guarantee the control of vehicle at this voltage
Device processed works normally, and becomes urgent problem.
Utility model content
The purpose of the utility model embodiment is to provide a kind of controller operating voltage management system, is existed with solving controller
Under abnormal operating voltage, impaired problem.
To solve the above problems, the utility model provides a kind of controller operating voltage management system, the controller
Operating voltage management system includes: electrostatic impedor esd protection circuit, Transient Voltage Suppressor TVS protection circuit, electromagnetic compatibility
Property EMC protection circuitry, CLC filter circuit and voltage monitoring circuit；
The esd protection circuit is connected in parallel between supply lines and ground line, and the TVS protects circuit, and described
Esd protection circuit is connected in parallel, the EMC protection circuitry, is connect with TVS protection circuit in parallel, the CLC filtered electrical
Road is connected in parallel with the EMC protection circuitry, the voltage monitoring circuit, is connected in parallel with the CLC filter circuit；
The esd protection circuit discharges the electrostatic potential on supply lines, and the input on the supply lines is electric
It presses signal after electrostatic potential discharges, is converted into first voltage signal；
The TVS protects circuit, clamps to the first voltage signal, obtains second voltage signal；
The EMC protection circuitry carries out the first filtering processing to the second voltage signal, obtains tertiary voltage signal；
The CLC filter circuit carries out the second filtering processing to the tertiary voltage signal, obtains the 4th voltage signal；
The voltage monitoring circuit carries out voltage division processing to the 4th voltage signal, generates the 5th voltage signal, and right
5th voltage signal is clamped and is filtered, and the input voltage signal of controller is obtained.
Preferably, the controller operating voltage management system further includes reverse-connection protection circuit；
The reverse-connection protection circuit is connected in parallel with the EMC protection circuitry, in TVS protection circuit and supply lines and is connect
When the positive and negative anodes of ground wire are reversed, the controller operating voltage management system cut-off is controlled.
Preferably, the esd protection circuit includes first capacitor and the second capacitor；
The first capacitor and second capacitor are connected in series, and the first end of the first capacitor is connected with supply lines
It connects, the second end of the first capacitor is connected with the first end of second capacitor, the second end ground connection of second capacitor
Connection.
Preferably, the TVS protection circuit includes bis- pole of the first zener diode, the first TVS diode and the 2nd TVS
Pipe；
The anode of first zener diode and the first end and supply lines of first capacitor connect, first pressure stabilizing two
The cathode of pole pipe is connected with the cathode of the cathode of the first TVS diode and the second TVS diode, first TVS diode
Anode connect with the plus earth of second TVS diode, first TVS diode and second TVS diode
It is connected in parallel.
Preferably, the reverse-connection protection circuit includes first resistor, Metal-oxide-semicondutor field effect transistor MOS
Pipe, second resistance, the second zener diode；
The first end of the first resistor is connected with the first end of the 4th capacitor, the second end of the first resistor with
The grid of metal-oxide-semiconductor, the first end of second resistance, the second zener diode cathode be respectively connected with, the drain electrode of the metal-oxide-semiconductor with
The second end of 8th capacitor is connected, the anode of the second end of the source electrode of the metal-oxide-semiconductor and second resistance, the second zener diode
It is connected.
Preferably, the CLC filter circuit includes the 9th capacitor, the tenth capacitor, the 11st capacitor and the first inductance, the tenth
Two capacitors, the 13rd capacitor, the 14th capacitor, the 15th capacitor and the 16th capacitor；
9th capacitor, the tenth capacitor and the 11st capacitor are connected in parallel, and the first of the 9th capacitor
The first end point at end and the first end of first resistor, the first end of the tenth capacitor, the first end of the 11st capacitor and the first inductance
It is not connected, the anode of the second end of the 9th capacitor and the second zener diode, the second end of the tenth capacitor and the
The second end of 11 capacitors is respectively connected with；
12nd capacitor, the 13rd capacitor, the 14th capacitor, the 15th capacitor and the described tenth
Six capacitors are connected in parallel, the second end of the first end of the 12nd capacitor and first inductance, the 13rd capacitor
First end, the first end of the 14th capacitor, the first end of the 15th capacitor and the first end of the 16th capacitor
It is respectively connected with, the of the second end of the second end of the 12nd capacitor and the 13rd capacitor, the 14th capacitor
The second end at two ends, the second end of the 15th capacitor and the 16th capacitor distinguishes grounding connection.
Preferably, the 13rd capacitor and the 14th capacitor are alminium electrolytic condenser.
Preferably, the voltage monitoring circuit includes: 3rd resistor, the 4th resistance, the 17th capacitor and clamp diode；
The first end of the 3rd resistor is connected with the first end of the 16th capacitor, the second end of the 3rd resistor with
The first end of the first end of 4th resistance, the anode of clamp diode and the 17th capacitor is respectively connected with, the 4th resistance
Second end grounding connection, the cathode of the clamp diode is connected with controller, the second termination of the 17th capacitor
Ground connection.
As a result, by applying controller operating voltage management system provided by the embodiment of the utility model, control ensure that
The normal work of device, and when voltage is abnormal, avoid controller from being damaged.
Detailed description of the invention
Fig. 1 is controller operating voltage management system block diagram provided by the embodiment of the utility model；
Fig. 2 is controller operating voltage schematic diagram of management system structure provided by the embodiment of the utility model.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining relevant utility model, rather than the restriction to the utility model.It further needs exist for illustrating
, for ease of description, illustrating only part relevant to related utility model in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is controller operating voltage management system block diagram provided by the embodiment of the utility model.In this application, it controls
Device can be micro-control unit (Micro-controller Unit, MCU), and MCU is higher to operating voltage requirement, only when
It when the supply voltage of MCU is normal, can just work normally, when supply voltage is abnormal, it is necessary to guarantee that MCU is not damaged.Such as
Shown in Fig. 1, the controller operating voltage management system 100 include: electrostatic impedor (Electro-Static discharge,
ESD circuit 110) is protected, Transient Voltage Suppressor (Transient Voltage Suppressor, TVS) protects circuit
120, Electro Magnetic Compatibility (Electro Magnetic Compatibility, EMC) protects circuit 130, reverse-connection protection circuit
140, CLC filter circuit 150 and voltage monitoring circuit 160.
Esd protection circuit 110 is connected in parallel between supply lines and ground line；Esd protection circuit is used for supply lines
Electrostatic potential discharged, and convert first voltage after electrostatic potential discharges for electricity consumption module input voltage signal
Signal.
TVS protects circuit 120, is connected in parallel with esd protection circuit, for clamping to first voltage signal, obtains
Second voltage signal.
EMC protection circuitry 130 is connect, for carrying out at the first filtering to second voltage signal with TVS protection circuit in parallel
Reason, obtains tertiary voltage signal.
Wherein, the first filtering processing specifically: it is dry to filter out the high frequency that radiation-emitting and conducted emission on supply lines generate
It disturbs.
CLC filter circuit 150, is connected in parallel with EMC protection circuitry, for carrying out at the second filtering to tertiary voltage signal
Reason, obtains the 4th voltage signal.
Wherein, the second filtering processing specifically: filter out the high-frequency interferencing signal in tertiary voltage signal.
Voltage monitoring circuit 160 is connected in parallel with CLC filter circuit, for carrying out voltage division processing to the 4th voltage signal,
The 5th voltage signal is generated, and the 5th voltage signal is clamped and is filtered, obtains the input voltage signal of controller.
Further, controller operating voltage management system further includes reverse-connection protection circuit 140.
Reverse-connection protection circuit 140 is connected in parallel with EMC protection circuitry 130, for protecting circuit 110 and supply lines in TVS
When reversed with the positive and negative anodes of ground line, control controller operating voltage management system cut-off.
As a result, by controller operating voltage management system, the operating voltage for realizing controller is maintained at normal range (NR)
It is interior, and when operating voltage is abnormal, guarantee that controller is not damaged.
Fig. 2 is controller operating voltage schematic diagram of management system structure provided by the embodiment of the utility model.In Fig. 2,
There are two lines, one is supply lines, and another is ground line, it is to be understood that on circuit structure, each circuit in parallel exists
Between supply lines and ground line, in signal flow, the voltage signal of upper level output is the input of next stage circuit.Power supply
Line is connected with the anode of power supply module, and ground line is connected with ground terminal, and supply lines can be connected with power supply unit, power supply
Unit can be battery.
As shown in Fig. 2, esd protection circuit 110 includes: first capacitor C1 and the second capacitor C2.
First capacitor C1 and the second capacitor C2 is connected in series, and the first end of first capacitor C1 is connected with supply lines, and first
The second end of capacitor C1 is connected with the first end of the second capacitor C2, the second end grounding connection of the second capacitor C2.Pass through first
Capacitor C1 and the second capacitor C2, absorbs the electrostatic potential on supply lines.
For example, one of peak value is that the esd pulse of 30A can generate tens persons of outstanding talent on ground wire for esd protection circuit
The resistance drop of volt, but its precipitous rise time (30A/ns) can generate the sense of up to several hectovolts on same route
Answer voltage signal, it is sufficient to lead to the generation of wrong data, so high frequency will generate kelvin effect, make the significant increasing of line resistance
Add.In order to offset this effect, need to use esd protection circuit to obtain low-resistance characteristic.Pass through 110 electricity of ESD protection as a result,
Road realizes the low-resistance output of entire controller operating voltage management system.
By being discharged to the electrostatic potential on supply lines, electrostatic protection is realized, controller operating voltage pipe is avoided
Harm of the reason system by electrostatic, protects the safety and stability of whole system.
It includes: the first zener diode D1, the first TVS diode D2 and the second TVS diode D3 that TVS, which protects circuit 120,；
The anode of first zener diode D1 is connected with the input stage of the first end of first capacitor C1 and electricity consumption module, the
The cathode of one zener diode D1 is connected with the cathode of the cathode of the first TVS diode D2 and the second TVS diode D3, the
The anode of one TVS diode D2 is connect with the plus earth of the second TVS diode D3, the first TVS diode D2 and the 2nd TVS bis-
Pole pipe D3 is connected in parallel.Wherein, the first zener diode D1 is reverse connecting protection diode, for the first TVS diode D2 and
Second TVS diode D3 carries out reverse connecting protection.
TVS diode is high-effect protection device.When the two poles of the earth of TVS diode are by reversed transient state high energy impact events,
The high impedance of its two interpolar can be become into Low ESR, absorb up to thousands of watts of surge power with the speed of 10 to 12 second-times,
Make the voltage clamp of two interpolars in a predetermined value, the precision components being effectively protected in electronic circuit, from various surges
The damage of pulse.
As a result, by the first TVS diode D2 and the second TVS diode D3, first voltage signal is clamped to the second electricity
Press signal.The migration for realizing heavy load high-voltage signal ensure that the normal work of controller operating voltage management system.
Further, EMC protection circuitry 130 includes: third capacitor C3, the 4th capacitor C4, the 5th capacitor C5, the 6th capacitor
C6, the 7th capacitor C7 and the 8th capacitor C8.
Third capacitor C3, the 4th capacitor C4 and the 5th capacitor C5 are connected in parallel, the first end of third capacitor C3, the 4th capacitor
The first end of C4, the first end of the 5th capacitor C5 are connected with the anode of the first zener diode D1 respectively, third capacitor C3's
Second end, the second end of the 4th capacitor C4, the second end of the 5th capacitor C5 distinguish grounding connection.
6th capacitor C6, the 7th capacitor C7 and the 8th capacitor C8 are connected in parallel, the first end of the 6th capacitor C6, the 7th capacitor
The first end of C7, the first end of the 8th capacitor C8 distinguish grounding connection, and the second of the second end of the 6th capacitor C6, the 7th capacitor C7
It holds, the second end of the 8th capacitor C8 is connected with the anode of the second TVS diode D3 respectively.
Specifically, the electromagnetic energy of system power supply beta radiation influences and interfere the normal operation of peripheral electrical equipment, it is
Radiation-emitting (Radiation Emission, RE) and conducted emission on exclusion supply lines (Conduction Emission,
CE it) passes in electric power network, interferes other electrical equipments, High frequency filter can be carried out by EMC protection circuitry.At this point it is possible to
By choosing the capacitor of different capacitances, the filtering of different frequency range is carried out, so as to carry out respectively according to the needs of reliability test
Frequency range filtering, to meet the requirement of controller EMC.
Further, reverse-connection protection circuit 140 includes: first resistor R1, Metal-oxide-semicondutor (metal
Oxide semiconductor, MOS) pipe, second resistance R2, the second zener diode D4；
The first end of first resistor R1 is connected with the first end of the 4th capacitor C4, the second end and MOS of first resistor R1
The grid of pipe, the first end of second resistance R2, the second zener diode D4 cathode be respectively connected with, the drain electrode of metal-oxide-semiconductor and the
The second end of eight capacitor C8 is connected, source electrode and the second end of second resistance R2, the anode of the second zener diode D4 of metal-oxide-semiconductor
It is connected.Second zener diode D4 is used to carry out pressure stabilizing to metal-oxide-semiconductor.
Specifically, metal-oxide-semiconductor will not be led when power supply module and controller operating voltage management system (abbreviation system) are reversely connected
Logical, when just connecing, metal-oxide-semiconductor conducting has carried out reverse connecting protection to system as a result,.When system reversal connection, reverse-connection protection circuit protection
Controller is unlikely to be damaged.
Metal-oxide-semiconductor is P-channel Metal-oxide-semicondutor (positive channel Metal Oxide
Semiconductor, PMOS) pipe.
Further, CLC filter circuit 150 includes: the 9th capacitor C9, the tenth capacitor C10, the 11st capacitor C11 and
One inductance L1, the 12nd capacitor C12, the 13rd capacitor C13, the 14th capacitor C14, the 15th capacitor C15 and the 16th capacitor
C16。
9th capacitor C9, the tenth capacitor C10 and the 11st capacitor C11 are connected in parallel, the first end of the 9th capacitor C9 and the
The first end of one resistance R1, the first end of the tenth capacitor C10, the first end of the 11st capacitor C11 and the first inductance L1 first
End is respectively connected with, the anode of the second end of the 9th capacitor C9 and the second zener diode D4, the second end of the tenth capacitor C10 and
The second end of 11st capacitor C11 is respectively connected with.
12nd capacitor C12, the 13rd capacitor C13, the 14th capacitor C14, the 15th capacitor C15 and the 16th capacitor
C16 is connected in parallel, the second end of the first end of the 12nd capacitor C12 and the first inductance L1, the first end of the 13rd capacitor C13,
First end, the first end of the 15th capacitor C15 and the first end of the 16th capacitor C16 of 14th capacitor C14 is respectively connected with
It connects, the second end of the 12nd capacitor C12 and second end, the second end of the 14th capacitor C14, the 15th of the 13rd capacitor C13
The second end of capacitor C15 and the second end of the 16th capacitor C16 distinguish grounding connection.
Further, the 13rd capacitor C13 and the 14th capacitor C14 is alminium electrolytic condenser.Remaining capacitor is ceramic condenser.
The high-frequency ac interference on electric power network is filtered as a result,.
Further, voltage monitoring circuit 160 includes: 3rd resistor R3, the 4th resistance R4, the 17th capacitor C17 and pincers
Position diode D5.
The first end of 3rd resistor R3 is connected with the first end of the 16th capacitor C16, the second end of 3rd resistor R3 with
The first end of the first end of 4th resistance R4, the anode of clamp diode D5 and the 17th capacitor C17 is respectively connected with, and the 4th
The second end grounding connection of resistance R4, the cathode of clamp diode D5 are connected with controller, and the second of the 17th capacitor C17
Hold grounding connection.
Wherein, 3rd resistor R3 and the 4th resistance R4 carries out voltage division processing to the 4th voltage signal, generates the 5th voltage letter
Number, clamp diode D5 for carrying out clamp processing to the 5th voltage signal, avoid the 5th voltage signal it is excessively high when, to system
Damage.17th capacitor C17 is used for that treated that voltage signal is filtered to clamp, further filters out height therein
Frequency ingredient obtains the input voltage signal of controller as a result,.
By applying controller operating voltage management system provided by the embodiment of the utility model, it ensure that controller just
Often work, and when voltage is abnormal, avoid controller from being damaged.
Professional should further appreciate that, described in conjunction with the examples disclosed in the embodiments of the present disclosure
Unit and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, hard in order to clearly demonstrate
The interchangeability of part and software generally describes each exemplary composition and step according to function in the above description.
These functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.
Professional technician can use different methods to achieve the described function each specific application, but this realization
It is not considered that exceeding the scope of the utility model.
Above specific embodiment has carried out further the purpose of this utility model, technical scheme and beneficial effects
It is described in detail, it should be understood that the above is only the specific embodiments of the utility model, is not used to limit originally practical
Novel protection scope, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of controller operating voltage management system, which is characterized in that the controller operating voltage management system includes: quiet
Electrical impedance device esd protection circuit, Transient Voltage Suppressor TVS protect circuit, Electro Magnetic Compatibility EMC protection circuitry, CLC filtered electrical
Road and voltage monitoring circuit；
The esd protection circuit is connected in parallel between supply lines and ground line, and the TVS protects circuit, is protected with the ESD
Protection circuit is connected in parallel, the EMC protection circuitry, is connect with TVS protection circuit in parallel, the CLC filter circuit, with institute
It states EMC protection circuitry to be connected in parallel, the voltage monitoring circuit, be connected in parallel with the CLC filter circuit；
The esd protection circuit discharges the electrostatic potential on supply lines, and the input voltage on the supply lines is believed
Number after electrostatic potential discharges, it is converted into first voltage signal；
The TVS protects circuit, clamps to the first voltage signal, obtains second voltage signal；
The EMC protection circuitry carries out the first filtering processing to the second voltage signal, obtains tertiary voltage signal；
The CLC filter circuit carries out the second filtering processing to the tertiary voltage signal, obtains the 4th voltage signal；
The voltage monitoring circuit carries out voltage division processing to the 4th voltage signal, generates the 5th voltage signal, and to described
5th voltage signal is clamped and is filtered, and the input voltage signal of controller is obtained.
2. controller operating voltage management system according to claim 1, which is characterized in that the controller operating voltage
Management system further includes reverse-connection protection circuit；
The reverse-connection protection circuit is connected in parallel with the EMC protection circuitry, in TVS protection circuit and supply lines and ground line
Positive and negative anodes it is reversed when, control controller operating voltage management system cut-off.
3. controller operating voltage management system according to claim 1, which is characterized in that the esd protection circuit packet
Include first capacitor and the second capacitor；
The first capacitor and second capacitor are connected in series, and the first end of the first capacitor is connected with supply lines, institute
The second end for stating first capacitor is connected with the first end of second capacitor, the second end grounding connection of second capacitor.
4. controller operating voltage management system according to claim 1, which is characterized in that the TVS protects circuit packet
Include the first zener diode, the first TVS diode and the second TVS diode；
The anode of first zener diode and the first end and supply lines of first capacitor connect, first zener diode
Cathode be connected with the cathode of the cathode of the first TVS diode and the second TVS diode, the sun of first TVS diode
Pole is connect with the plus earth of second TVS diode, and first TVS diode and second TVS diode are in parallel
Connection.
5. controller operating voltage management system according to claim 2, which is characterized in that the reverse-connection protection circuit packet
Include first resistor, Metal-oxide-semicondutor field effect transistor metal-oxide-semiconductor, second resistance, the second zener diode；
The first end of the first resistor is connected with the first end of the 4th capacitor, the second end and metal-oxide-semiconductor of the first resistor
Grid, the first end of second resistance, the cathode of the second zener diode be respectively connected with, the drain electrode of the metal-oxide-semiconductor and the 8th
The second end of capacitor is connected, and the source electrode of the metal-oxide-semiconductor is connected with the anode of the second end of second resistance, the second zener diode
It connects.
6. controller operating voltage management system according to claim 1, which is characterized in that the CLC filter circuit packet
Include the 9th capacitor, the tenth capacitor, the 11st capacitor and the first inductance, the 12nd capacitor, the 13rd capacitor, the 14th capacitor,
15 capacitors and the 16th capacitor；
9th capacitor, the tenth capacitor and the 11st capacitor are connected in parallel, the first end of the 9th capacitor with
The first end of first resistor, the first end of the tenth capacitor, the first end difference phase of the first end of the 11st capacitor and the first inductance
Connection, second end and the anode of the second zener diode, the second end and the 11st of the tenth capacitor of the 9th capacitor
The second end of capacitor is respectively connected with；
12nd capacitor, the 13rd capacitor, the 14th capacitor, the 15th capacitor and the 16th electricity
Appearance is connected in parallel, and the first of the second end of the first end of the 12nd capacitor and first inductance, the 13rd capacitor
The first end at end, the first end of the 14th capacitor, the first end of the 15th capacitor and the 16th capacitor is distinguished
Be connected, the second end of the second end of the 12nd capacitor and the 13rd capacitor, the second end of the 14th capacitor,
The second end of 15th capacitor and the second end of the 16th capacitor distinguish grounding connection.
7. controller operating voltage management system according to claim 6, which is characterized in that the 13rd capacitor and institute
Stating the 14th capacitor is alminium electrolytic condenser.
8. controller operating voltage management system according to claim 1, which is characterized in that the voltage monitoring circuit packet
It includes: 3rd resistor, the 4th resistance, the 17th capacitor and clamp diode；
The first end of the 3rd resistor is connected with the first end of the 16th capacitor, the second end of the 3rd resistor and the 4th
The first end of the first end of resistance, the anode of clamp diode and the 17th capacitor is respectively connected with, and the of the 4th resistance
Two end grounding connections, the cathode of the clamp diode are connected with controller, and the second end of the 17th capacitor, which is grounded, to be connected
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821063031.1U CN208580145U (en) | 2018-07-05 | 2018-07-05 | Controller operating voltage management system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821063031.1U CN208580145U (en) | 2018-07-05 | 2018-07-05 | Controller operating voltage management system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413818A (en) * | 2020-03-31 | 2020-07-14 | 精电(河源)显示技术有限公司 | Liquid crystal display module capable of resisting electrical interference |
| CN112491561A (en) * | 2019-09-12 | 2021-03-12 | 深圳市大富智慧健康科技有限公司 | Industrial Ethernet communication power supply equipment and robot control and power supply system |
| CN113872314A (en) * | 2021-09-24 | 2021-12-31 | 福莱盈电子股份有限公司 | 5G photoelectric module UPS power supply |
-
2018
- 2018-07-05 CN CN201821063031.1U patent/CN208580145U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112491561A (en) * | 2019-09-12 | 2021-03-12 | 深圳市大富智慧健康科技有限公司 | Industrial Ethernet communication power supply equipment and robot control and power supply system |
| CN112491561B (en) * | 2019-09-12 | 2023-07-07 | 深圳市大富智慧健康科技有限公司 | Industrial Ethernet communication power supply equipment and robot control and power supply system |
| CN111413818A (en) * | 2020-03-31 | 2020-07-14 | 精电(河源)显示技术有限公司 | Liquid crystal display module capable of resisting electrical interference |
| CN111413818B (en) * | 2020-03-31 | 2021-02-02 | 精电(河源)显示技术有限公司 | Liquid crystal display module capable of resisting electrical interference |
| CN113872314A (en) * | 2021-09-24 | 2021-12-31 | 福莱盈电子股份有限公司 | 5G photoelectric module UPS power supply |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: B4-006, maker Plaza, 338 East Street, Huilongguan town, Changping District, Beijing 100096 Patentee after: Beijing Idriverplus Technology Co.,Ltd. Address before: B4-006, maker Plaza, 338 East Street, Huilongguan town, Changping District, Beijing 100096 Patentee before: Beijing Idriverplus Technology Co.,Ltd. |