CN209104835U - A kind of Vehicular charger with overcurrent protection - Google Patents
A kind of Vehicular charger with overcurrent protection Download PDFInfo
- Publication number
- CN209104835U CN209104835U CN201821926165.1U CN201821926165U CN209104835U CN 209104835 U CN209104835 U CN 209104835U CN 201821926165 U CN201821926165 U CN 201821926165U CN 209104835 U CN209104835 U CN 209104835U
- Authority
- CN
- China
- Prior art keywords
- casing
- vehicular charger
- ventilation
- overcurrent protection
- air inlet
- 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.)
- Expired - Fee Related
Links
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of Vehicular chargers with overcurrent protection; it is related to Vehicular charger technical field, including pedestal, the upper surface of pedestal is equipped with casing; the upper end of casing is equipped with cover board; the inside of casing is equipped with overcurrent protector, and ventilation fan is equipped on the left of overcurrent protector, ventilation shell is equipped on the left of casing; ventilation shell level, which runs through, ventilation hole; the rear and front end side wall of casing is equipped with air inlet hole, and the side of casing is equipped with water tank, and the upper end of cover board sets that there are two knobs.The utility model is novel in design, structure is simple, it is easy to use, input circuit is connected with Vehicular charger, output circuit is connected to the battery, and operational amplifier is connected with control switch, when operational amplifier detects that the electric current in input circuit is more than the rated current of operational amplifier setting, control switch cuts off the connection between Vehicular charger and battery, prevents the excessively high damage battery of electric current from causing danger.
Description
Technical field
The utility model relates to Vehicular charger technical field, specifically a kind of Vehicular charger with overcurrent protection.
Background technique
Currently, facing the almost exhausted of international community's traditional energy, the application of electric car is rapidly developed.Using electronic vapour
Vehicle can efficiently reduce the dependence to petroleum resources, meet low-carbon society demand for development.Electric car because course continuation mileage requirement,
It needs that Vehicular charger directly is installed in interior of body, while meeting grid charging and the built-in requirement for increasing journey charging.Due to vehicle
It carries charger installation site and is typically in inside electric car more closed region, radiating condition very severe.Especially in the summer
When its environment temperature is higher, the surface temperature of power device is up to 90 degree or more, seriously affects the reliability of charger, together
When, it, can be by battery when the output electric current of onboard charger is excessive to direct battery power when due to Vehicular charger charging
Damage may cause the explosion of battery catching fire when serious.
The radiating mode of traditional Vehicular charger is mainly radiator made of aluminum alloy section, and radiating condition is poor, moreover, vehicle-mounted
The pyrotoxins such as power rectification pipe, power inductance and high frequency transformer require have respective air duct in charger, and structure is complicated, power
To optimize, degree of protection reduces density refractory, and Vehicular charger is made to be easy to cause danger because of high temperature in electric automobile during traveling.Together
When, traditional Vehicular charger is directly connected to the battery, and output electric current can not be restricted, therefore, traditional vehicle-mounted charge
Machine is not suitable for the demand of high power vehicular charging.
Summary of the invention
The purpose of this utility model is to provide a kind of Vehicular chargers with overcurrent protection, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions: a kind of vehicle-mounted charge with overcurrent protection
Machine, including pedestal, the upper surface of the pedestal are equipped with casing, and the upper end of the casing is equipped with cover board, the bottom of the casing
Portion is equipped with power supply, and the upper end of the power supply is equipped with control switch, and the inside of the casing is equipped with overcurrent protector, the mistake
Ventilation fan is installed on the left of stream protector, ventilation shell is installed on the left of the casing, the ventilation shell level is logical through having
Air holes, the rear and front end side wall of the casing is equipped with air inlet hole, is equipped with cooler bin on the outer end side wall of the casing, described
The side of casing be equipped with water tank, the upper end of the cover board set there are two knob.
Dustproof cover, the dustproof cover are installed on the outside of the air inlet hole as a further solution of the present invention,
Through there is through-hole.
The air inlet hole horizontal is applied in the rear and front end side wall of casing as a further solution of the present invention,
The through-hole is applied on dustproof cover vertically, the length of the dustproof cover and the equal length of air inlet hole.
It is connected between the right end of the cooler bin and the upper end position of water tank as a further solution of the present invention,
There is circulating water pipe, the middle part of the circulating water pipe is equipped with water circulating pump.
The lower end of the knob is equipped with sphere, the upper table of the cover board as a further solution of the present invention,
Face is equipped with groove.
The control switch is connected with power supply and overcurrent protector respectively as a further solution of the present invention,.
Compared with prior art, the utility model has the beneficial effects that the utility model is novel in design, structure is simple, makes
With convenient, control switch is connected with power supply and overcurrent protector respectively, including input circuit in overcurrent protector, output circuit,
It is connected with operational amplifier in the centre of input circuit and output circuit, input circuit is connected with Vehicular charger, output circuit
It is connected to the battery, operational amplifier is connected with control switch, when operational amplifier detects that the electric current in input circuit is more than
When the rated current of operational amplifier setting, control switch cuts off the connection between Vehicular charger and battery, prevents electric current
Excessively high damage battery causes danger；Ventilation fan is installed on the left of overcurrent protector, ventilation shell is installed on the left of casing, is led to
Crust of weathering level is through there is ventilation hole, and the rear and front end side wall of casing is equipped with air inlet hole, and wind enters casing internal out of air inlet hole,
Ventilation fan blows out wind from ventilation hole, reduces the temperature of casing internal, dustproof cover is equipped on the outside of air inlet hole, dustproof cover passes through
It is installed with through-hole, dustproof cover prevents external dust from entering casing internal and damages component therein；Pacify on the outer end side wall of casing
Equipped with cooler bin, the side of casing is equipped with water tank, is connected with circulating water pipe between the right end of cooler bin and the upper end position of water tank,
The middle part of circulating water pipe is equipped with water circulating pump, and water circulating pump is by the coolant liquid in water tank by being pumped into cooler bin in circulating water pipe
In, so that the outside of casing is cooled down.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Vehicular charger with overcurrent protection；
Fig. 2 is a kind of structural schematic diagram of casing internal in Vehicular charger with overcurrent protection；
Fig. 3 is the structural schematic diagram shaken hands in a kind of Vehicular charger with overcurrent protection.
In figure: 1, pedestal；2, casing；3, cover board；4, overcurrent protector；5, ventilation fan；6, ventilation shell；7, ventilation hole；8,
Air inlet hole；9, dustproof cover；10, through-hole；11, water tank；12, cooler bin；13, circulating water pipe；14, water circulating pump；15, it shakes hands；16,
Groove；17, sphere；18, power supply；19, control switch.
Specific embodiment
Please refer to Fig. 1~3, in the utility model embodiment, a kind of Vehicular charger with overcurrent protection, including pedestal
1, the upper surface of pedestal 1 is equipped with casing 2, and casing 2 is used to protect internal component, and the upper end of casing 2 is equipped with cover board 3,
When needing replacing internal component, cover board 3 is pulled open, the bottom of casing 2 is equipped with power supply 18, the upper end of power supply 18
Control switch 19 is installed, the inside of casing 2 is equipped with overcurrent protector 4 (model AQMD3620NS), and control switch 19 is divided
It is not connected with power supply 18 and overcurrent protector 4, includes input circuit in overcurrent protector 4, output circuit, in input circuit and defeated
The centre of circuit is connected with operational amplifier out, and input circuit is connected with Vehicular charger, and output circuit is connected to the battery, fortune
It calculates amplifier to be connected with control switch 19, when operational amplifier detects that the electric current in input circuit is arranged more than operational amplifier
Rated current when, control switch 19 cuts off the connection between Vehicular charger and battery, prevents the excessively high damage electric power storage of electric current
Cause danger in pond.
The left side of overcurrent protector 4 is equipped with ventilation fan 5, and the left side of casing 2 is equipped with ventilation shell 6, and ventilation 6 level of shell is passed through
It is installed with ventilation hole 7, the rear and front end side wall of casing 2 is equipped with air inlet hole 8, and wind enters inside casing 2 out of air inlet hole 8, ventilation
Fan 5 blows out wind from ventilation hole 7, reduces the temperature inside casing 2, the outside of air inlet hole 8 is equipped with dustproof cover 9, dustproof cover 9
Through there is through-hole 10, dustproof cover 9 prevents external dust from entering 2 internal damage of casing component therein, and 8 level of air inlet hole is passed through
It is through the rear and front end side wall of casing 2, through-hole 10 is applied in vertically on dustproof cover 9, the length of dustproof cover 9 and the length of air inlet hole 8
It spends equal.
The upper end of cover board 3 is set there are two knob 15, and 15 lower end of shaking hands is equipped with sphere 17, and the upper surface of cover board 3 is equipped with
Groove 16, knob 15 can be pushed down on, be fallen into groove 16, so that handle prevents take up excessive space, the outer end side wall of casing 2
On cooler bin 12 is installed, the side of casing 2 is equipped with water tank 11, connects between the right end of cooler bin 12 and the upper end position of water tank 11
It is connected to circulating water pipe 13, the middle part of circulating water pipe 13 is equipped with water circulating pump 14, and water circulating pump 14 leads to the coolant liquid in water tank 11
It crosses in circulating water pipe 13 and is pumped into cooler bin 12, so that the outside of casing 2 is cooled down.
The working principle of the utility model is: the inside of casing 2 is equipped with overcurrent protector 4, it include defeated in overcurrent protector 4
Enter circuit, output circuit is connected with operational amplifier, input circuit and vehicle-mounted charge in the centre of input circuit and output circuit
Machine is connected, and output circuit is connected to the battery, and operational amplifier is connected with control switch 19, when operational amplifier detects input
When electric current in circuit is more than the rated current of operational amplifier setting, control switch 19 cut off Vehicular charger and battery it
Between connection, prevent the excessively high damage battery of electric current from causing danger, wind after entering in the air inlet hole 8 on 2 both ends side wall of casing,
Ventilation fan 5 by wind from inside casing 2 pass through ventilation hole 7 in blow out, reduce the temperature inside casing 2, external 9 energy of dustproof cover
It prevents dust from entering inside casing 2, causes the damage of 2 internal component of casing, coolant liquid, water circulating pump 14 are housed in water tank 11
Coolant liquid is pumped into cooler bin 12 by circulating water pipe 13, is cooled down to the outside of casing 2, so that the Vehicular charger
Cooling outwardly and inwardly is carried out simultaneously.
It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously
It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality
It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model
Within the scope of.
Claims (6)
1. the upper surface of a kind of Vehicular charger with overcurrent protection, including pedestal (1), the pedestal (1) is equipped with casing
(2), the upper end of the casing (2) is equipped with cover board (3), and the bottom of the casing (2) is equipped with power supply (18), the power supply (18)
Upper end control switch (19) are installed, which is characterized in that the inside of the casing (2) is equipped with overcurrent protector (4), described
It is equipped on the left of overcurrent protector (4) ventilation fan (5), ventilation shell (6), the ventilation is installed on the left of the casing (2)
Shell (6) is horizontal through having ventilation hole (7), and the rear and front end side wall of the casing (2) is equipped with air inlet hole (8), the casing (2)
Outer end side wall on be equipped with cooler bin (12), the side of the casing (2) is equipped with water tank (11), the upper end of the cover board (3)
If there are two shake hands (15).
2. a kind of Vehicular charger with overcurrent protection according to claim 1, which is characterized in that the air inlet hole
(8) it is equipped on the outside of dustproof cover (9), the dustproof cover (9), which is run through, through-hole (10).
3. a kind of Vehicular charger with overcurrent protection according to claim 2, which is characterized in that the air inlet hole
(8) level is applied in the rear and front end side wall of casing (2), and the through-hole (10) is applied in vertically on dustproof cover (9), described dust-proof
Cover the length of (9) and the equal length of air inlet hole (8).
4. a kind of Vehicular charger with overcurrent protection according to claim 1, which is characterized in that the cooler bin
(12) it is connected with circulating water pipe (13) between the upper end position of right end and water tank (11), is set in the middle part of the circulating water pipe (13)
There are water circulating pump (14).
5. a kind of Vehicular charger with overcurrent protection according to claim 1, which is characterized in that the knob (15)
Lower end be equipped with sphere (17), the upper surface of the cover board (3) is equipped with groove (16).
6. a kind of Vehicular charger with overcurrent protection according to claim 1, which is characterized in that the control switch
(19) it is connected respectively with power supply (18) and overcurrent protector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821926165.1U CN209104835U (en) | 2018-11-21 | 2018-11-21 | A kind of Vehicular charger with overcurrent protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821926165.1U CN209104835U (en) | 2018-11-21 | 2018-11-21 | A kind of Vehicular charger with overcurrent protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209104835U true CN209104835U (en) | 2019-07-12 |
Family
ID=67160984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821926165.1U Expired - Fee Related CN209104835U (en) | 2018-11-21 | 2018-11-21 | A kind of Vehicular charger with overcurrent protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209104835U (en) |
-
2018
- 2018-11-21 CN CN201821926165.1U patent/CN209104835U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 Termination date: 20201121 |