CN102694402A - Parallel charging device of electric vehicle - Google Patents
Parallel charging device of electric vehicle Download PDFInfo
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- CN102694402A CN102694402A CN2012101602146A CN201210160214A CN102694402A CN 102694402 A CN102694402 A CN 102694402A CN 2012101602146 A CN2012101602146 A CN 2012101602146A CN 201210160214 A CN201210160214 A CN 201210160214A CN 102694402 A CN102694402 A CN 102694402A
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- motor car
- battery pack
- electric vehicle
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Abstract
The invention discloses a parallel charging device of an electric vehicle, and relates to the technical field of charging of electric vehicles. The parallel charging device comprises a driving resistor (R), a first switch (S1), a second switch (S2), a third switch (S3), a fourth switch (S4), a fifth switch (S5), a sixth switch (S6), a seventh switch (S7), an eighth switch (S8), a ninth switch (S9), a tenth switch (S10) and an eleventh switch (S11), two ends of the traveling resistor (R) are respectively connected with a motor (M) of the electric vehicle and one end of the eleventh switch (S11), the other end of the eleventh switch (S11) is respectively connected with one end of the fourth switch (S4) and a cathode of a fourth battery pack (E4) of the electric vehicle, the other end of the fourth switch (S4) is respectively connected with a cathode of a third battery pack (E3), one end of the tenth switch (S10) and one end of the third switch (S3), and the other end of the tenth switch (S10) is respectively connected with one end of the seventh switch S7) and an anode of the fourth battery pack (E4) of the electric vehicle. The parallel charging device of the electric vehicle is simple in circuit and scientific and reasonable in design, the battery packs are in a parallel charging state when the parallel charging device is used for charging, and are charged uniformly, the service lives of batteries of the electric vehicle are effectively prolonged, and maintenance cost is greatly reduced for a user.
Description
Technical field:
The present invention relates to electric motor car charging technique field, be specifically related to a kind of electric motor car charged in parallel device.
Background technology:
Along with improving constantly of living standard; The electric motor car storage battery has replaced bicycle gradually; Become common people's the main vehicles; Along with going from strength to strength of electric motor car troop, it is found that storage battery has become to use the main financial burden of electric motor car, if improper use tends to occur the phenomenon that the life-span is short, distance is short.
Prolong the useful life of battery, outside the Pass having with the custom of riding, battery quality, relation is the quality of the quality of charger more closely.On the one hand; Though the battery principle is simple; But what oneself was arranged discharges and recharges operating characteristic (each charge and discharge process all taking place complicated physics, chemical change), and the charger that only meets this charge characteristic and possess the pulse repair function could truly prolong the useful life of battery; On the other hand, when electric bicycle dispatched from the factory, charger was to be complementary with the storage battery that is disposed.Its supplemental current, charging ceiling voltage and switching current, float charge voltage, floating current provide, and the parameter of other charger all has the difference of certain scope, and storage battery very possible and that disposed does not match, so can not arbitrarily change charger.Charger can make parameter drift in sharp pounding with in jolting, and uses in the improper ventilation environment, and the temperature of charger can reach about 70 ℃, can make the parameter thermal drift, all can influence the operate as normal of charger, can cause infringements such as overcharging, owe charging to storage battery.Charger almost accompanies with battery charge everyday; Do not meet the charger of battery charge characteristic; Overcharge or owe to fill with long-term " murder by poisoning " battery; Time has been grown series such as dehydration, bulge distortion very easily occur and has influenced the battery problem in normal useful life, the saying of " battery is not damaged, and is bad by filling " that industry that Here it is is often said.
Summary of the invention:
The purpose of this invention is to provide a kind of electric motor car charged in parallel device, its circuit is simple, and design science is reasonable; Battery pack is in the charged in parallel state during charging; Charging has evenly prolonged the life-span of battery of electric vehicle effectively, greatly reduces user's maintenance cost.
In order to solve the existing problem of background technology; The present invention adopts following technical scheme: it comprises driving resistance R, first switch～the 11 switch S 1～S11; The two ends of driving resistance R are connected with an end of the 11 switch S 11 with electric vehicle motor M respectively; The other end of the 11 switch S 11 is connected with an end of the 4th switch S 4, the negative pole of electric motor car the 4th Battery pack E4 respectively; The other end of the 4th switch S 4 is connected with the negative pole of electric motor car the 3rd Battery pack E3, an end of the tenth switch S 10, an end of the 3rd switch S 3 respectively, and the other end of the tenth switch S 10 closes the end of S7 with minion respectively, the positive pole of electric motor car the 4th Battery pack E4 is connected; The other end of the 3rd switch S 3 is connected with the negative pole of the electric motor car second Battery pack E2, an end of the 9th switch S 9, the end of second switch S2 respectively, and the other end of the 9th switch S 9 closes the other end of S7 with positive pole, the minion of electric motor car the 3rd Battery pack E3 respectively, an end of the 6th switch S 6 is connected; The other end of second switch S2 is connected with the end of octavo pass S8, the negative pole of the electric motor car first Battery pack E1, an end of first switch S 1 respectively, and the other end that octavo is closed S8 is connected with the positive pole of the electric motor car second Battery pack E2, the other end of the 6th switch S 6, an end of the 5th switch S 5 respectively; The other end of first switch S 1 is connected with the negative pole of electric motor car charge port J, and the positive pole of the positive pole of electric motor car charge port J, the electric motor car first Battery pack E1, the other end of the 5th switch S 5 all are connected to electric vehicle motor M.
Principle of the present invention is:
When the 11 switch S 11 was broken off, first switch S 1 to the minion was closed the S7 closure, and octavo is closed S8 to the ten switch S 10 and broken off; Charging circuit is in closure state, and after charger inserted circuit, four Battery pack E1-E4 of electric motor car were in the charged in parallel state; The voltage at each Battery pack two ends equates; Charging is even, and at this moment, electric vehicle motor M is in off-state;
When the 11 switch S 11 closures, first switch S 1 to the minion is closed S7 and is broken off, and octavo is closed S8 to the ten switch S 10 closures; Charge port J no-voltage exists, and charging circuit breaks off, and can't charge to electric motor car; And electric vehicle motor M passes through four Battery pack series-feds, and electric motor car can go.If want to increase the group number of battery, as long as increase number of switches, a Battery pack also inserts two switches.
Circuit of the present invention is simple, and design science is reasonable, and battery pack is in the charged in parallel state during charging, and charging has evenly prolonged the life-span of battery of electric vehicle effectively, greatly reduces user's maintenance cost.
Description of drawings:
Fig. 1 is in the structural representation of charged state for the present invention,
Fig. 2 is in the structural representation of transport condition for the present invention.
Embodiment:
With reference to Fig. 1-2; This embodiment adopts following technical scheme: it comprises driving resistance R, first switch～the 11 switch S 1～S11; The two ends of driving resistance R are connected with an end of the 11 switch S 11 with electric vehicle motor M respectively; The other end of the 11 switch S 11 is connected with an end of the 4th switch S 4, the negative pole of electric motor car the 4th Battery pack E4 respectively; The other end of the 4th switch S 4 is connected with the negative pole of electric motor car the 3rd Battery pack E3, an end of the tenth switch S 10, an end of the 3rd switch S 3 respectively, and the other end of the tenth switch S 10 closes the end of S7 with minion respectively, the positive pole of electric motor car the 4th Battery pack E4 is connected; The other end of the 3rd switch S 3 is connected with the negative pole of the electric motor car second Battery pack E2, an end of the 9th switch S 9, the end of second switch S2 respectively, and the other end of the 9th switch S 9 closes the other end of S7 with positive pole, the minion of electric motor car the 3rd Battery pack E3 respectively, an end of the 6th switch S 6 is connected; The other end of second switch S2 is connected with the end of octavo pass S8, the negative pole of the electric motor car first Battery pack E1, an end of first switch S 1 respectively, and the other end that octavo is closed S8 is connected with the positive pole of the electric motor car second Battery pack E2, the other end of the 6th switch S 6, an end of the 5th switch S 5 respectively; The other end of first switch S 1 is connected with the negative pole of electric motor car charge port J, and the positive pole of the positive pole of electric motor car charge port J, the electric motor car first Battery pack E1, the other end of the 5th switch S 5 all are connected to electric vehicle motor M.
The principle of this embodiment is:
When the 11 switch S 11 was broken off, first switch S 1 to the minion was closed the S7 closure, and octavo is closed S8 to the ten switch S 10 and broken off; Charging circuit is in closure state, and after charger inserted circuit, four Battery pack E1-E4 of electric motor car were in the charged in parallel state; The voltage at each Battery pack two ends equates; Charging is even, and at this moment, electric vehicle motor M is in off-state;
When the 11 switch S 11 closures, first switch S 1 to the minion is closed S7 and is broken off, and octavo is closed S8 to the ten switch S 10 closures; Charge port J no-voltage exists, and charging circuit breaks off, and can't charge to electric motor car; And electric vehicle motor M passes through four Battery pack series-feds, and electric motor car can go.If want to increase the group number of battery, as long as increase number of switches, a Battery pack also inserts two switches.
This embodiment circuit is simple, and design science is reasonable, and battery pack is in the charged in parallel state during charging, and charging has evenly prolonged the life-span of battery of electric vehicle effectively, greatly reduces user's maintenance cost.
Claims (2)
1. electric motor car charged in parallel device; It is characterized in that it comprises driving resistance (R), first switch～the 11 switch (S1～S11); The two ends of driving resistance (R) are connected with an end of electric vehicle motor (M) and the 11 switch (S11) respectively; The other end of the 11 switch (S11) is connected with an end of the 4th switch (S4), the negative pole of electric motor car the 4th Battery pack (E4) respectively; The other end of the 4th switch (S4) is connected with the negative pole of electric motor car the 3rd Battery pack (E3), an end of the tenth switch (S10), an end of the 3rd switch (S3) respectively; The other end of the tenth switch (S10) closes an end of (S7) with minion respectively, the positive pole of electric motor car the 4th Battery pack (E4) is connected; The other end of the 3rd switch (S3) is connected with the negative pole of electric motor car second Battery pack (E2), an end of the 9th switch (S9), an end of second switch (S2) respectively, and the other end of the 9th switch (S9) closes the other end of (S7) with positive pole, the minion of electric motor car the 3rd Battery pack (E3) respectively, an end of the 6th switch (S6) is connected; The other end of second switch (S2) is connected with an end of octavo pass (S8), the negative pole of electric motor car first Battery pack (E1), an end of first switch (S1) respectively, and the other end that octavo is closed (S8) is connected with the positive pole of electric motor car second Battery pack (E2), the other end of the 6th switch (S6), an end of the 5th switch (S5) respectively; The other end of first switch (S1) is connected with the negative pole of electric motor car charge port (J), and the positive pole of the positive pole of electric motor car charge port (J), electric motor car first Battery pack (E1), the other end of the 5th switch (S5) all are connected to electric vehicle motor (M).
2. electric motor car charged in parallel device according to claim 1 is characterized in that its operation principle is:
When the 11 switch (S11) broke off, first switch (S1) to minion was closed (S7) closure, and octavo pass (S8) to the tenth switch (S10) breaks off; Charging circuit is in closure state, and after charger inserted circuit, four Battery packs (E1-E4) of electric motor car were in the charged in parallel state; The voltage at each Battery pack two ends equates; Charging is even, and at this moment, electric vehicle motor (M) is in off-state;
When the 11 switch (S11) is closed; First switch (S1) to minion is closed (S7) and is broken off, and octavo is closed (S8) to the tenth switch (S10) closure, and charge port (J) no-voltage exists; Charging circuit breaks off; Can't charge to electric motor car, and electric vehicle motor (M) passes through four Battery pack series-feds, electric motor car can go.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101602146A CN102694402A (en) | 2012-05-23 | 2012-05-23 | Parallel charging device of electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101602146A CN102694402A (en) | 2012-05-23 | 2012-05-23 | Parallel charging device of electric vehicle |
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| CN102694402A true CN102694402A (en) | 2012-09-26 |
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| CN2012101602146A Pending CN102694402A (en) | 2012-05-23 | 2012-05-23 | Parallel charging device of electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743146A (en) * | 2014-12-09 | 2016-07-06 | 中兴通讯股份有限公司 | Terminal cell and charging and discharging control method therefor |
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- 2012-05-23 CN CN2012101602146A patent/CN102694402A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743146A (en) * | 2014-12-09 | 2016-07-06 | 中兴通讯股份有限公司 | Terminal cell and charging and discharging control method therefor |
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Application publication date: 20120926 |