CN109950869A - Power supply anti-misconnection circuit, device, electrical equipment and its power supply anti-misconnection method - Google Patents
Power supply anti-misconnection circuit, device, electrical equipment and its power supply anti-misconnection method Download PDFInfo
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Abstract
The present invention relates to a kind of power supply anti-misconnection circuit, device, electrical equipment and its power supply anti-misconnection method, circuit includes the control module of power interface, charging module, switch module, filter module and electrical equipment；Switch module is in normally open；When the positive and negative anodes of the positive and negative anodes of power interface and power supply correctly connect, charging module conducting, so that power supply charges to the capacitive component in control module；After control module detects that capacitive component completes charging, control switch module closure, by charging module short circuit, so that power supply is powered electrical equipment by control module；When the positive and negative anodes incorrect link of the positive and negative anodes of power interface and power supply, charging module is disconnected, and power supply can not charge to capacitive component, to maintain the off-state of switch module.Using technical solution of the present invention, it is capable of providing safety when electrical equipment operation, reliability, high efficiency.
Description
Technical field
The present invention relates to electric prospection technical fields, and in particular to a kind of power supply anti-misconnection circuit, device, electrical equipment and
Its power supply anti-misconnection method.
Background technique
As economic is constantly progressive, the application of electrical equipment is also more and more extensive, and the power supply of electrical equipment is not
It can or lack.
When installing electrical equipment, if the positive and negative anodes incorrect link of the positive and negative anodes of electrical equipment and power supply, not only
It will lead to circuit malfunctions, can also burn the electric elements in electrical equipment, even result in the feelings such as casualties, property loss
Condition.
Therefore, how to guarantee the safe, reliable, efficient operation of electrical equipment, it is urgently to be resolved to become those skilled in the art
The technical issues of.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of power supply anti-misconnection circuit, device, electrical equipment and its power supplys
Anti-misconnection method, to guarantee the safe, reliable, efficient operation of electrical equipment.
In order to achieve the above object, the present invention provides a kind of power supply anti-misconnection circuit, including power interface, charging module, open
Close module, the control module of filter module and electrical equipment；
The charging module and the switch module are connected with the power interface respectively；It the charging module and described opens
Module is closed also to be connected with the filter module respectively；The filter module and the switch module also respectively with the control module
It is connected；
The switch module is in normally open；
When the positive and negative anodes of the positive and negative anodes of the power interface and power supply correctly connect, the charging module conducting,
So that the power supply charges to the capacitive component in the control module；
After the control module detects that the capacitive component completes charging, the switch module closure is controlled, it will
The charging module short circuit, so that the power supply is powered the electrical equipment by the control module；
When the positive and negative anodes incorrect link of the positive and negative anodes of the power interface and the power supply, the charging module is disconnected
It opens, the power supply can not charge to the capacitive component, to maintain the off-state of the switch module.
Further, power supply anti-misconnection circuit described above, further includes Anti-surging module；
The charging module and the switch module are connected by the Anti-surging module with the power interface respectively.
Further, power supply anti-misconnection circuit described above, the charging module includes diode and resistance；
One end of the positive terminal of the diode and the switch module is exported with the anode of the Anti-surging module respectively
End is connected；
The negative pole end of the diode is connected with one end of the resistance；
The other end of the other end of the resistance and the switch module electrode input end with the filter circuit respectively
It is connected；
The cathode output end of the Anti-surging module is connected with the negative input of the filter circuit.
Further, power supply anti-misconnection circuit described above, the switch module are relay.
The present invention also provides a kind of power supply mistake proofing connection devices, are provided with power supply anti-misconnection circuit as described above.
The present invention also provides a kind of electrical equipments, which is characterized in that is provided with power supply mistake proofing connection device as described above.
Further, in electrical equipment described above, the electrical equipment is DC frequency converting air-conditioner.
Further, in electrical equipment described above, the control module include press driver, fan driver,
Master control borad and Switching Power Supply；
The filter module, the fan driver, the master control borad and the Switching Power Supply are driven with the press respectively
Dynamic device is connected；
The master control borad is connected with the switch module.
Further, in electrical equipment described above, the press driver, the fan driver, the master control
Plate and the Switching Power Supply are set as overall structure.
The present invention also provides a kind of power supply anti-misconnection method of electrical equipment as described above, the power supply anti-misconnection circuits
Control module including power interface, charging module, switch module, filter module and electrical equipment；
The charging module and the switch module are connected with the power interface respectively；It the charging module and described opens
Module is closed also to be connected with the filter module respectively；The filter module and the switch module also respectively with the control module
It is connected；
The switch module is in normally open；
The described method includes:
When the positive and negative anodes of the positive and negative anodes of the power interface and power supply correctly connect, the charging module conducting,
So that the power supply charges to the capacitive component in the control module；
After the control module detects that the capacitive component completes charging, the switch module closure is controlled, it will
The charging module short circuit, so that the power supply is powered the electrical equipment by the control module；
When the positive and negative anodes incorrect link of the positive and negative anodes of the power interface and the power supply, the charging module is disconnected
It opens, the power supply can not charge to the capacitive component, to maintain the off-state of the switch module.
Power supply anti-misconnection circuit, device, electrical equipment and its power supply anti-misconnection method of the invention is connect by the way that power supply is arranged
The control module of mouth, charging module, switch module, filter module and electrical equipment；Wherein, switch module is in normally open；
When the positive and negative anodes of the positive and negative anodes of power interface and power supply correctly connect, charging module conducting, so that power supply is to control
Capacitive component in molding block charges；After control module detects that capacitive component completes charging, control switch mould
Block closure, by charging module short circuit, so that power supply is powered electrical equipment by control module；When power interface
When the positive and negative anodes incorrect link of positive and negative anodes and power supply, charging module is disconnected, and power supply can not carry out capacitive component
Charging, to maintain the off-state of switch module, so that the positive and negative anodes incorrect link of the positive and negative anodes of electrical equipment and power supply
In the case where, circuit malfunctions are prevented, prevent from burning the electric elements in electrical equipment, avoid the occurrence of casualties, property
Situations such as loss.Using technical solution of the present invention, it is capable of providing safety when electrical equipment operation, reliability, high efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of power supply anti-misconnection circuit embodiments one of the invention；
Fig. 2 is the structural schematic diagram of power supply anti-misconnection circuit embodiments two of the invention；
Fig. 3 is the structural schematic diagram of power supply anti-misconnection circuit embodiments three of the invention；
Fig. 4 is the flow chart of the power supply anti-misconnection embodiment of the method for electrical equipment of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Fig. 1 is the structural schematic diagram of power supply anti-misconnection circuit embodiments one of the invention, as shown in Figure 1, the present embodiment
Power supply anti-misconnection circuit may include power interface 10, charging module 11, switch module 12, filter module 13 and electrical equipment
Control module 14；Wherein, charging module 11 and switch module 12 are connected with power interface 10 respectively；Charging module 11 and switching molding
Block 12 is also connected with filter module 13 respectively；Filter module 13 and switch module 12 also respectively with the control module of electrical equipment 14
It is connected.
In the present embodiment, switch module 12 is in normally open, when power interface 10 positive and negative anodes and power supply just
When cathode correctly connects, charging module 11 is connected, so that power supply charges to the capacitive component in control module 14；
After control module 14 detects that capacitive component completes charging, control switch module 12 is closed, and charging module 11 is short-circuit, with
It is powered power supply to electrical equipment by control module 14；When power interface 10 positive and negative anodes and power supply just
When cathode incorrect link, charging module 11 is disconnected, and power supply can not charge to capacitive component, to maintain switch module
12 off-state.
For example, charging module 11 includes diode and resistance；The positive terminal of diode and one end difference of switch module 12
It is connected with the cathode output end of Anti-surging module 15；The negative pole end of diode is connected with one end of resistance；The other end of resistance and
The other end of switch module 12 is connected with the electrode input end of filter circuit respectively；The cathode output end of Anti-surging module 15 and filter
The negative input of wave circuit is connected.Wherein, switch module 12 is preferably relay.
In the present embodiment, when the positive and negative anodes of the positive and negative anodes of power interface 10 and power supply correctly connect, diode
The voltage of positive terminal is greater than the voltage of the negative pole end of diode, so that diode current flow, to use the control module of electric equipment
14 power on, and power supply charges to the capacitive component in control module 14, and the master control borad 143 in control device detects
After capacitive component charging complete, turn-on command is sent to switch module 12, with the closure of control switch module 12, due to the mould that charges
The presence of resistance makes charging module 11 short-circuit in block 11, the electric current that power supply provides through where switch module 12 road flow
Enter control module 14, guarantees that electrical equipment operates normally.
When the positive and negative anodes incorrect link of the positive and negative anodes of power interface 10 and power supply, the voltage of the positive terminal of diode
Less than the voltage at diode cathode end, diode can not be connected, and since switch module 12 is in normally open, power supply without
Method provides power supply to control module 14, and the capacitive component in control module 14 can not charge, and master control borad 143 is also switched without normal direction
Module 12 sends turn-on command, so that switch module 12 maintains off-state, no current flows through in entire circuit, power supply without
Method is powered electrical equipment, to prevent circuit malfunctions, prevents from burning the electric elements in electrical equipment, avoids out
Situations such as existing casualties, property loss.
During a specific implementation, the electric energy as provided by AC distribution net be easy to cause the shadows such as voltage dip
It rings, its normal use of severe jamming.Different from AC distribution net, DC distribution net uses distributed energy storage device, so that its
The stabilization of provided voltage more avoids the occurrence of the influence of rapid drawdown.Therefore, the power supply in the present embodiment is preferably direct current
Power supply, electrical equipment are preferably direct-flow electricity utilization apparatus.
The power supply anti-misconnection circuit of the present embodiment passes through setting power interface 10, charging module 11, switch module 12, filter
The control module 14 of wave module 13 and electrical equipment；Wherein, switch module 12 is in normally open；It is positive and negative when power interface 10
When the positive and negative anodes of pole and power supply correctly connect, charging module 11 is connected, so that power supply is to the appearance in control module 14
Property component charges；After control module 14 detects that capacitive component completes charging, control switch module 12 is closed, will
11 short circuit of charging module, so that power supply is powered electrical equipment by control module 14；When power interface 10 just
When the positive and negative anodes incorrect link of cathode and power supply, charging module 11 is disconnected, and power supply can not carry out capacitive component
Charging, to maintain the off-state of switch module 12, so that the positive and negative anodes mistake of the positive and negative anodes of electrical equipment and power supply connects
In the case where connecing, circuit malfunctions are prevented, prevent from burning the electric elements in electrical equipment, avoid the occurrence of casualties, wealth
Situations such as producing loss.Using technical solution of the present invention, it is capable of providing safety when electrical equipment operation, reliability, efficiently
Property.
Fig. 2 is the structural schematic diagram of power supply anti-misconnection circuit embodiments two of the invention, as shown in Fig. 2, the present embodiment
It further can also include Anti-surging module 15 on the basis of power supply anti-misconnection circuit embodiment shown in Fig. 1；Wherein, it charges
Module 11 and switch module 12 are connected by Anti-surging module 15 with power interface 10 respectively.
Due to the moment powered in power supply, biggish electric current can be generated, is easy to cause power grid very big injury, sternly
Route can be even burnt out when weight.Therefore, in the present embodiment, it can use Anti-surging module 15 and high current be limited to low current,
Realize the inhibition to surge current.
Fig. 3 is the structural schematic diagram of power supply anti-misconnection circuit embodiments three of the invention, the power supply anti-misconnection of the present embodiment
Circuit is particularly applicable in DC frequency converting air-conditioner, and power supply is powered DC frequency converting air-conditioner using full direct current mode.Such as
Shown in Fig. 3, the control module 14 of DC frequency converting air-conditioner may include press driver 141, fan driver 142, master control borad 143
With Switching Power Supply 144；Wherein, filter module 13, fan driver 142, master control borad 143 and Switching Power Supply 144 respectively with press
Driver 141 is connected；Master control borad 143 is connected with switch module 12.
After power supply access, switch module 12 is in normally open at this time, so electric current is after Anti-surging module 15,
Charged module 11, filter module 13 are press driver 141, fan driver 142, master control borad 143 in control module 14
Reliable and stable power supply is provided with Switching Power Supply 144, to press driver 141, fan driver 142, master control borad 143 and to open
Capacitive component charging in powered-down source 144, after charging complete, master control borad 143 is led to the sending of the control terminal of switch module 12
Logical instruction, switch module 12 are closed, and diode and resistance circuit are bypassed, and high current is carried out by the output end of switch module 12
Circulation guarantees that air conditioner operates normally.When positive and negative anodes wrong, direct current varied-frequency air conditioner automatic protection, entire circuit is without electricity
Stream circulation, to prevent circuit malfunctions, prevents from burning the electric appliance member in electrical equipment so that aforementioned whole process is invalid
Part, situations such as avoiding the occurrence of casualties, property loss.
The present invention also provides a kind of power supply mistake proofing connection device, it is anti-that which is provided with power supply as shown above
Misconnection circuit.
The present invention also provides a kind of electrical equipment, which is provided with power supply mistake proofing connection device as shown above.This
Electrical equipment in embodiment is preferably DC frequency converting air-conditioner.Wherein, the control module of DC frequency converting air-conditioner includes press driving
Device, fan driver, master control borad and Switching Power Supply；Filter module, fan driver, master control borad and Switching Power Supply respectively with press
Driver is connected；Master control borad is connected with switch module.In the present embodiment, press driver, fan driver, master control borad and switch
Power supply setting is preferably overall structure.
Fig. 4 is the flow chart of the power supply anti-misconnection embodiment of the method for electrical equipment of the invention, and the electricity consumption of the present embodiment is set
The electrical equipment of standby embodiment preferably as above, wherein the power supply anti-misconnection circuit in the electrical equipment includes power interface, fills
The control module of electric module, switch module, filter module and electrical equipment；Charging module and switch module respectively with power interface
It is connected；Charging module and switch module are also connected with filter module respectively；Filter module and switch module also respectively with control mould
Block is connected.Switch module is in normally open.
As shown in figure 4, the power supply anti-misconnection method of the electrical equipment of the present embodiment specifically comprises the following steps:
400, whether the positive and negative anodes of the positive and negative anodes of power interface and power supply correctly connect, if correctly, executing step
401, if mistake, execute step 403；
401, charging module is connected；
Specifically, when the positive and negative anodes of the positive and negative anodes of power interface and power supply correctly connect, charging module conducting, with
Power supply is set to charge the capacitive component in control module.
402, after control module detects that the capacitive component in control module completes charging, control switch module is closed
It closes, by charging module short circuit；
After charging module short circuit, the electric current of power supply flows into control module by switch module, so that power supply is logical
Control module is crossed to be powered electrical equipment.
403, charging module disconnects.
When the positive and negative anodes incorrect link of the positive and negative anodes of power interface and power supply, charging module is disconnected, power supply
It can not charge to capacitive component, to maintain the off-state of switch module.
The power supply anti-misconnection method of the electrical equipment of the present embodiment, by the way that power interface, charging module, switching molding is arranged
The control module of block, filter module and electrical equipment；Wherein, switch module is in normally open；When the positive and negative anodes of power interface
When correctly being connect with the positive and negative anodes of power supply, charging module conducting, so that power supply is to the capacitive member device in control module
Part charges；After control module detects that capacitive component completes charging, control switch module closure is short by charging module
Road, so that power supply is powered electrical equipment by control module；When the positive and negative anodes and power supply of power interface
When positive and negative anodes incorrect link, charging module is disconnected, and power supply can not charge to capacitive component, to maintain switch module
Off-state so that preventing circuit from sending out in the case where the positive and negative anodes incorrect link of the positive and negative anodes of electrical equipment and power supply
Raw failure, situations such as preventing from burning the electric elements in electrical equipment, avoid the occurrence of casualties, property loss.Using this hair
Bright technical solution, be capable of providing electrical equipment operation when safety, reliability, high efficiency.
About the method in above-described embodiment, the concrete mode of execution operation is in the embodiment in relation to the circuit
It is described in detail, no detailed explanation will be given here.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that in the description of the present invention, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of power supply anti-misconnection circuit, which is characterized in that including power interface, charging module, switch module, filter module and
The control module of electrical equipment；
The charging module and the switch module are connected with the power interface respectively；The charging module and the switching molding
Block is also connected with the filter module respectively；The filter module and the switch module also respectively with the control module phase
Even；
The switch module is in normally open；
When the positive and negative anodes of the positive and negative anodes of the power interface and power supply correctly connect, the charging module conducting, so that
The power supply charges to the capacitive component in the control module；
After the control module detects that the capacitive component completes charging, the switch module closure is controlled, it will be described
Charging module short circuit, so that the power supply is powered the electrical equipment by the control module；
When the positive and negative anodes incorrect link of the positive and negative anodes of the power interface and the power supply, the charging module is disconnected,
The power supply can not charge to the capacitive component, to maintain the off-state of the switch module.
2. power supply anti-misconnection circuit according to claim 1, which is characterized in that further include Anti-surging module；
The charging module and the switch module are connected by the Anti-surging module with the power interface respectively.
3. power supply anti-misconnection circuit according to claim 2, which is characterized in that the charging module includes diode and electricity
Resistance；
One end of the positive terminal of the diode and switch module cathode output end phase with the Anti-surging module respectively
Even；
The negative pole end of the diode is connected with one end of the resistance；
The other end of the other end of the resistance and the switch module is connected with the electrode input end of the filter circuit respectively；
The cathode output end of the Anti-surging module is connected with the negative input of the filter circuit.
4. power supply anti-misconnection circuit according to claim 1-3, which is characterized in that the switch module is relay
Device.
5. a kind of power supply mistake proofing connection device, which is characterized in that be provided with power supply anti-misconnection according to any one of claims 1-4
Circuit.
6. a kind of electrical equipment, which is characterized in that be provided with power supply mistake proofing connection device as claimed in claim 5.
7. electrical equipment according to claim 6, which is characterized in that the electrical equipment is DC frequency converting air-conditioner.
8. electrical equipment according to claim 7, which is characterized in that the control module includes press driver, blower
Driver, master control borad and Switching Power Supply；
The filter module, the fan driver, the master control borad and the Switching Power Supply respectively with the press driver
It is connected；
The master control borad is connected with the switch module.
9. electrical equipment according to claim 8, which is characterized in that the press driver, the fan driver, institute
It states master control borad and the Switching Power Supply is set as overall structure.
10. a kind of power supply anti-misconnection method of electrical equipment as claim in any one of claims 6-9, which is characterized in that described
Power supply anti-misconnection circuit includes the control module of power interface, charging module, switch module, filter module and electrical equipment；
The charging module and the switch module are connected with the power interface respectively；The charging module and the switching molding
Block is also connected with the filter module respectively；The filter module and the switch module also respectively with the control module phase
Even；
The switch module is in normally open；
The described method includes:
When the positive and negative anodes of the positive and negative anodes of the power interface and power supply correctly connect, the charging module conducting, so that
The power supply charges to the capacitive component in the control module；
After the control module detects that the capacitive component completes charging, the switch module closure is controlled, it will be described
Charging module short circuit, so that the power supply is powered the electrical equipment by the control module；
When the positive and negative anodes incorrect link of the positive and negative anodes of the power interface and the power supply, the charging module is disconnected,
The power supply can not charge to the capacitive component, to maintain the off-state of the switch module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910183505.9A CN109950869A (en) | 2019-03-11 | 2019-03-11 | Power supply anti-misconnection circuit, device, electrical equipment and its power supply anti-misconnection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910183505.9A CN109950869A (en) | 2019-03-11 | 2019-03-11 | Power supply anti-misconnection circuit, device, electrical equipment and its power supply anti-misconnection method |
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| Publication Number | Publication Date |
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| CN109950869A true CN109950869A (en) | 2019-06-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910183505.9A Pending CN109950869A (en) | 2019-03-11 | 2019-03-11 | Power supply anti-misconnection circuit, device, electrical equipment and its power supply anti-misconnection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525497A (en) * | 2020-05-26 | 2020-08-11 | 广东博智林机器人有限公司 | Buffer circuit and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204068704U (en) * | 2014-07-29 | 2014-12-31 | 安徽江淮汽车股份有限公司 | A kind of high input voltage terminal circuit of DC-DC converter |
| CN204786885U (en) * | 2015-07-30 | 2015-11-18 | 青岛海信日立空调系统有限公司 | Air conditioner filter circuit , electric box of air conditioner and air conditioner |
| CN105375460A (en) * | 2015-11-25 | 2016-03-02 | 珠海格力电器股份有限公司 | Power supply reverse connection prevention circuit and reverse connection prevention method thereof |
| CN206401917U (en) * | 2016-10-26 | 2017-08-11 | 苏州海格新能源汽车电控系统科技有限公司 | Electric machine controller high-pressure system pre-charging device |
| US20190027945A1 (en) * | 2017-07-20 | 2019-01-24 | Connaught Electronics Ltd. | Reverse current prevention for fet used as reverse polarity protection device |
-
2019
- 2019-03-11 CN CN201910183505.9A patent/CN109950869A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204068704U (en) * | 2014-07-29 | 2014-12-31 | 安徽江淮汽车股份有限公司 | A kind of high input voltage terminal circuit of DC-DC converter |
| CN204786885U (en) * | 2015-07-30 | 2015-11-18 | 青岛海信日立空调系统有限公司 | Air conditioner filter circuit , electric box of air conditioner and air conditioner |
| CN105375460A (en) * | 2015-11-25 | 2016-03-02 | 珠海格力电器股份有限公司 | Power supply reverse connection prevention circuit and reverse connection prevention method thereof |
| CN206401917U (en) * | 2016-10-26 | 2017-08-11 | 苏州海格新能源汽车电控系统科技有限公司 | Electric machine controller high-pressure system pre-charging device |
| US20190027945A1 (en) * | 2017-07-20 | 2019-01-24 | Connaught Electronics Ltd. | Reverse current prevention for fet used as reverse polarity protection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525497A (en) * | 2020-05-26 | 2020-08-11 | 广东博智林机器人有限公司 | Buffer circuit and electronic equipment |
| CN111525497B (en) * | 2020-05-26 | 2022-06-24 | 广东博智林机器人有限公司 | Buffer circuit and electronic equipment |
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Application publication date: 20190628 |