CN110065392A - A kind of high pressure preliminary filling module with contactor for preventing adhesion function - Google Patents
A kind of high pressure preliminary filling module with contactor for preventing adhesion function Download PDFInfo
- Publication number
- CN110065392A CN110065392A CN201910232825.9A CN201910232825A CN110065392A CN 110065392 A CN110065392 A CN 110065392A CN 201910232825 A CN201910232825 A CN 201910232825A CN 110065392 A CN110065392 A CN 110065392A
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- China
- Prior art keywords
- direct current
- current compressor
- electrically connected
- mentioned
- positive terminal
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The present invention relates to a kind of high pressure preliminary filling modules with contactor for preventing adhesion function, belong to technical field of new energy, applied to direct current compressor, the anode of DC power supply is electrically connected by D.C. contactor with the positive terminal of direct current compressor, and the cathode of DC power supply is electrically connected by conducting wire with the negative terminal of direct current compressor；It is characterized by: the anode of above-mentioned DC power supply passes sequentially through anti-reverse diode, the first thermistor is electrically connected with the positive terminal of direct current compressor；The positive terminal of above-mentioned direct current compressor is electrically connected by discharge resistance with the negative terminal of direct current compressor；The positive terminal of above-mentioned direct current compressor passes sequentially through the second thermistor, pre-charging capacitor is electrically connected with the negative terminal of direct current compressor；The negative terminal of above-mentioned direct current compressor passes sequentially through above-mentioned pre-charging capacitor, anti-bonding diode is electrically connected with the positive terminal of direct current compressor.
Description
Technical field
The invention belongs to technical field of new energy, and in particular to a kind of high pressure with contactor for preventing adhesion function is pre-
Mold filling block.
Background technique
New-energy automobile refer to using unconventional vehicle fuel as a source of power (or using conventional vehicle fuel,
Using new vehicle-mounted power plant), the dynamic Control of comprehensive vehicle and the advanced technology of driving aspect, the technical principle elder generation of formation
Into, the automobile with new technology, new construction.
High pressure compressor in new-energy automobile system, the inductive loads such as high-power blower device under high pressure electric moment by
There can be very high surge voltage in inductive load characteristic, directly result in the damage of components such as compressor.In order to prevent high pressure
The surge voltage of shutdown transient often absorbs voltge surge using external tens of uF capacitors.Capacitor is in powered on moment meeting again
Cause heavy current impact, causes the adhesion of vehicle D.C. contactor abnormal.Preliminary filling module can absorb simultaneously power-off voltge surge and on
Rush of current when electric, existing preliminary filling module action depend on the control strategy of controller, it may occur that preliminary filling failure, cause after
Electric appliance adhesion, the failures such as blown fuse.
Summary of the invention
The present invention is to solve technical problem present in well-known technique and provide a kind of with contactor for preventing adhesion function
High pressure preliminary filling module, the present invention simplify preliminary filling composition, increase the measure that prevents adhesion under the premise of guaranteeing precharge function.In software
It can protect D.C. contactor under control failure mode not stick together exception.
The object of the present invention is to provide a kind of high pressure preliminary filling modules with contactor for preventing adhesion function, are applied to direct current pressure
The anode of contracting machine, DC power supply is electrically connected by D.C. contactor with the positive terminal of direct current compressor, DC power supply
Cathode is electrically connected by conducting wire with the negative terminal of direct current compressor；
The anode of above-mentioned DC power supply passes sequentially through the anode of anti-reverse diode, the first thermistor and direct current compressor
Connecting terminal electrical connection；
The positive terminal of above-mentioned direct current compressor passes through the negative terminal of discharge resistance and direct current compressor electricity
Connection；
The positive terminal of above-mentioned direct current compressor passes sequentially through the second thermistor, pre-charging capacitor and direct current compressor
Negative terminal electrical connection；
The negative terminal of above-mentioned direct current compressor passes sequentially through above-mentioned pre-charging capacitor, anti-bonding diode and direct current pressure
The positive terminal of contracting machine is electrically connected.
The advantages and positive effects of the present invention are:
By using above-mentioned technical proposal, D.C. contactor adhesion is due to closure moment pre-charging capacitor charging high-current leading
Caused by the hard contact risen melts.The present invention separates pre-charging capacitor charge path and discharge path, in charge path
Increase PTC current-limiting resistance, reduces current limit.Discharge path realizes low impedance path, guarantees shutdown transient to instantaneous high pressure
Absorption characteristic.
By actual verification, this preliminary filling module keeps D.C. contactor without adhesion exception under various abnormal operation states.
Monitoring voltage and electric current, without the abnormal impact to fix beyond D.C. contactor, the function that prevents adhesion is effective, and can be to a certain extent
Prevent blown fuse phenomenon caused by high current.
Detailed description of the invention
Fig. 1 is the circuit diagram of the preferred embodiment of the present invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawing and by specific embodiment, and following embodiment is descriptive
, it is not restrictive, this does not limit the scope of protection of the present invention:
As shown in Figure 1, the present invention provides a kind of high pressure preliminary filling module with contactor for preventing adhesion function, it is applied to direct current
The anode of compressor, DC power supply is electrically connected by D.C. contactor with the positive terminal of direct current compressor, DC power supply
Cathode be electrically connected with the negative terminal of direct current compressor by conducting wire；
The anode of above-mentioned DC power supply passes sequentially through the anode of anti-reverse diode, the first thermistor and direct current compressor
Connecting terminal electrical connection；
The positive terminal of above-mentioned direct current compressor passes through the negative terminal of discharge resistance and direct current compressor electricity
Connection；
The positive terminal of above-mentioned direct current compressor passes sequentially through the second thermistor, pre-charging capacitor and direct current compressor
Negative terminal electrical connection；
The negative terminal of above-mentioned direct current compressor passes sequentially through above-mentioned pre-charging capacitor, anti-bonding diode and direct current pressure
The positive terminal of contracting machine is electrically connected.
The concrete operating principle of this preferred embodiment are as follows:
D.C. contactor adhesion is that the hard contact thawing due to caused by closure moment pre-charging capacitor charging high current causes
's.The present invention separates pre-charging capacitor charge path and discharge path, increases PTC current-limiting resistance in charge path, reduces
Current limit.Discharge path realizes low impedance path, guarantees shutdown transient to the absorption characteristic of instantaneous high pressure.As shown in Figure 1,
High pressure power up phase charges to capacitor by two PTC resistors, avoids heavy current impact.The electric stage under high pressure, in order to
Guarantee the low impedance characteristic of capacitor electric discharge, the diode current flow capacitor that prevents adhesion electric discharge can effectively prevent big voltage punching when power-off
It hits.
Although disclosing the embodiment of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be managed
Solution: do not departing from the present invention and spirit and scope of the appended claims in, various substitutions, changes and modifications be all it is possible,
Therefore, the scope of the present invention is not limited to the embodiment and attached drawing disclosure of that.
Claims (1)
1. a kind of high pressure preliminary filling module with contactor for preventing adhesion function is applied to direct current compressor, the anode of DC power supply
It is electrically connected by D.C. contactor with the positive terminal of direct current compressor, the cathode of DC power supply passes through conducting wire and direct current pressure
The negative terminal of contracting machine is electrically connected；It is characterized by:
The anode of above-mentioned DC power supply passes sequentially through the positive terminal of anti-reverse diode, the first thermistor and direct current compressor
Terminal electrical connection；
The positive terminal of above-mentioned direct current compressor is electrically connected by discharge resistance with the negative terminal of direct current compressor；
The positive terminal of above-mentioned direct current compressor passes sequentially through the negative of the second thermistor, pre-charging capacitor and direct current compressor
The electrical connection of pole connecting terminal；
The negative terminal of above-mentioned direct current compressor passes sequentially through above-mentioned pre-charging capacitor, anti-bonding diode and direct current compressor
Positive terminal electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232825.9A CN110065392B (en) | 2019-03-26 | 2019-03-26 | High-voltage pre-charging module with contactor anti-adhesion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232825.9A CN110065392B (en) | 2019-03-26 | 2019-03-26 | High-voltage pre-charging module with contactor anti-adhesion function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110065392A true CN110065392A (en) | 2019-07-30 |
| CN110065392B CN110065392B (en) | 2022-11-15 |
Family
ID=67366680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910232825.9A Active CN110065392B (en) | 2019-03-26 | 2019-03-26 | High-voltage pre-charging module with contactor anti-adhesion function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110065392B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1581637A (en) * | 2003-08-01 | 2005-02-16 | 华为技术有限公司 | Capacitive circuit |
| US20080185999A1 (en) * | 2007-02-06 | 2008-08-07 | Panasonic Ev Energy Co., Ltd. | Power supply device |
| CN105305802A (en) * | 2015-10-23 | 2016-02-03 | 漳州科华技术有限责任公司 | Rectifier soft start circuit and control method thereof |
| CN106004501A (en) * | 2016-07-07 | 2016-10-12 | 宁波市江北九方和荣电气有限公司 | Power battery and super-capacitor connection system and control method |
| CN106394249A (en) * | 2015-07-31 | 2017-02-15 | 本田技研工业株式会社 | Vehicle power source device |
| CN206401917U (en) * | 2016-10-26 | 2017-08-11 | 苏州海格新能源汽车电控***科技有限公司 | Electric machine controller high-pressure system pre-charging device |
-
2019
- 2019-03-26 CN CN201910232825.9A patent/CN110065392B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1581637A (en) * | 2003-08-01 | 2005-02-16 | 华为技术有限公司 | Capacitive circuit |
| US20080185999A1 (en) * | 2007-02-06 | 2008-08-07 | Panasonic Ev Energy Co., Ltd. | Power supply device |
| CN106394249A (en) * | 2015-07-31 | 2017-02-15 | 本田技研工业株式会社 | Vehicle power source device |
| CN105305802A (en) * | 2015-10-23 | 2016-02-03 | 漳州科华技术有限责任公司 | Rectifier soft start circuit and control method thereof |
| CN106004501A (en) * | 2016-07-07 | 2016-10-12 | 宁波市江北九方和荣电气有限公司 | Power battery and super-capacitor connection system and control method |
| CN206401917U (en) * | 2016-10-26 | 2017-08-11 | 苏州海格新能源汽车电控***科技有限公司 | Electric machine controller high-pressure system pre-charging device |
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| Publication number | Publication date |
|---|---|
| CN110065392B (en) | 2022-11-15 |
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