CN209881479U - Quick charging device for storage battery - Google Patents
Quick charging device for storage battery Download PDFInfo
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- CN209881479U CN209881479U CN201920636403.3U CN201920636403U CN209881479U CN 209881479 U CN209881479 U CN 209881479U CN 201920636403 U CN201920636403 U CN 201920636403U CN 209881479 U CN209881479 U CN 209881479U
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- relay
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model provides a device is filled soon to battery belongs to battery charging technology field. This battery fills device soon includes: an adjustable dc power supply having an input controllably connected to an alternating current supplying an alternating input voltage and an output for outputting an adjustable first direct current; the discharging loop is used for releasing electric quantity; the first relay is arranged in a circuit at the output end of the adjustable direct current power supply; one end of the second relay is connected with the discharge loop, and the other end of the second relay is connected with the input end of the storage battery; and the charging and discharging control loop is used for controlling the on-off state and the on-off time of the first relay and the second relay so as to control the adjustable direct current power supply to charge the storage battery in first preset time or control the storage battery to discharge to the discharging loop in second preset time. The utility model discloses a battery fills device soon can solve the vehicle and carry out the whole car of outfield inconvenient and the coarse problem of electric quantity control of battery charging when experimental.
Description
Technical Field
The utility model relates to a battery charging technology field especially relates to a battery fills device soon.
Background
In the whole vehicle project research and development process, a large amount of whole vehicle electrical system verification is generally required to be carried out in an external field, but different verification working conditions have different requirements on the electric quantity of the storage battery, for example, the SOC of the storage battery is required to be 70% when an urban road working condition electrical system test is carried out. The usual way of operation in this case is: (1) the electric quantity discharged to the storage battery is roughly 70% by turning on electric loads (such as vehicle lamps, air blowers, sound equipment and the like) on the whole vehicle, so that the verification result is not uniform, and the data deviation is large. (2) The spare storage battery is prepared in advance, and the spare storage battery is transported to a specified test field for verification after the electric quantity is processed to be 70% by the special storage battery processing equipment in a laboratory.
In the industry, the special equipment for processing the electric quantity of the storage battery is formed by computer control programming and a multi-channel charging and discharging cabinet, and the electric quantity processing of the storage battery is completed by controlling the charging and discharging current, voltage and time through a computer. The special storage battery electricity processing equipment for the laboratory is large in size, needs 380V three-phase power electricity for power supply, and cannot be used in an external field.
Therefore, when the vehicle is subjected to an outfield whole vehicle test, the problems of inconvenient charging of the storage battery and inaccurate electric quantity control exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery fills device soon, can solve the vehicle and carry out the whole car in the outfield when experimental inconvenient and the inaccurate problem of electric quantity control of battery charging.
Another object of the utility model is to provide a portable battery fills device soon.
Particularly, the utility model provides a device is filled soon to battery, include:
an adjustable dc power supply having an input controllably connected to an alternating current supplying an alternating input voltage and an output for outputting an adjustable first direct current;
the discharging loop is used for releasing electric quantity;
the first relay is arranged in a circuit at the output end of the adjustable direct current power supply;
one end of the second relay is connected with the discharge loop, and the other end of the second relay is connected with the input end of the storage battery; and
and the charging and discharging control loop is used for controlling the on-off state and the on-off time of the first relay and the second relay so as to control the adjustable direct current power supply to charge the storage battery in first preset time or control the storage battery to discharge to the discharging loop in second preset time.
Optionally, the charge and discharge control circuit includes:
the input end of the switching power supply is connected with the alternating current, and the output end of the switching power supply is used for outputting a preset second direct current;
the charging and discharging change-over switch comprises a fixed point, a charging contact and a discharging contact, wherein the fixed point is connected with the positive electrode of the output end of the switching power supply, and the charging and discharging change-over switch has a first closed state in which the fixed point is connected with the charging contact and a second closed state in which the fixed point is connected with the discharging contact;
a third relay including a first normally closed contact and a second normally closed contact; and
and the timer is connected in series with the first normally closed contact between the charging contact and the negative electrode of the switching power supply, and is connected with the coil of the first relay after being connected in series with the second normally closed contact, so that when the charging and discharging change-over switch is switched to a first closed state, the first relay is closed, the timer times, and the first relay is disconnected after the first preset time.
Optionally, the third relay further includes a third coil, a first normally open contact and a second normally open contact, the third coil is connected in series between the discharging contact and the negative electrode of the switching power supply, the timer is further connected in series with the first normally open contact between the charging contact and the negative electrode of the switching power supply, and the timer is further connected in series with the second normally open contact and then connected to a coil of the second relay, so that when the charge-discharge changeover switch is switched to the second closed state, the second relay is closed and the timer times, and after the first predetermined time, the second relay is opened.
Optionally, the discharge circuit comprises:
the circuit comprises a first branch, a second branch and a third branch which are connected in parallel, wherein a first resistor and a first switch are arranged on the first branch, a second resistor and a second switch are arranged on the second branch, and a third resistor and a third switch are arranged on the third branch.
Optionally, the discharge current of the first resistor is 2.1A, the discharge current of the second resistor is 4.2A, and the discharge current of the third resistor is 8.3A.
Optionally, the charge and discharge control circuit further includes:
and the first cooling fan is connected in series in a loop of the output end of the switching power supply.
Optionally, the charge and discharge control circuit further includes:
and the second cooling fan is connected in series in a loop between the discharge contact and the negative electrode of the switching power supply.
Optionally, the charge and discharge control circuit further includes:
and the delay switch is connected in series in the loop provided with the second cooling fan.
Optionally, the method further comprises:
and the indicator light is arranged in a connecting circuit of the alternating current and the switching power supply.
Optionally, the method further comprises:
and the emergency stop switch is arranged in a connecting circuit of the alternating current and the switching power supply and is positioned at the upstream of the indicator lamp.
The utility model discloses a device is filled soon to battery can conveniently insert domestic alternating current for the battery charging of vehicle through the input with adjustable DC power supply, consequently can solve the inconvenient problem of battery charging when the vehicle carries out the whole car of outfield experiment.
Furthermore, the charging and discharging control loop controls the on-off state and the on-off time of the first relay and the second relay, so that when the first relay is closed and the second relay is disconnected, the adjustable direct-current power supply charges the storage battery for first preset time; when the second relay is closed and the first relay is opened, the storage battery discharges to the discharging loop within second preset time. Therefore, the storage battery quick-charging device can accurately control the electric quantity for charging and discharging the storage battery.
Furthermore, because the sizes of the parts are small, the parts can be integrated into a small charging structure, and the portable charging device is convenient to carry and use outside the field.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural connection diagram of a storage battery quick charging device according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic structural connection diagram of a storage battery quick-charging device according to an embodiment of the present invention, and fig. 1 also shows a storage battery 200. As shown in fig. 1, the present invention provides a battery quick charging device 100, which may generally include an adjustable dc power supply 10, a discharging circuit 20, a first relay KM1, a second relay KM2, and a charging and discharging control circuit. The input of the adjustable dc power supply 10 is controllably connected to an alternating current supplying an alternating input voltage, for example an alternating current household power of 220V/50 HZ. The output of the adjustable dc power supply 10 is used to output an adjustable first dc power, for example, to adjust the adjustable dc power supply 10 to output a voltage of 16V. The discharge circuit 20 is used to discharge electricity. The first relay KM1 is provided in the circuit at the output of the adjustable dc power supply 10. One end of the second relay KM2 is connected to the discharge circuit 20, and the other end is connected to the input terminal of the battery 200. The charging and discharging control loop is used for controlling the on-off state and the on-off time of the first relay KM1 and the second relay KM2 so as to control the adjustable DC power supply 10 to charge the storage battery 200 for a first preset time or control the storage battery 200 to discharge to the discharging loop 20 for a second preset time.
The embodiment designs a storage battery quick charging device 100, which can conveniently charge the storage battery 200 of a vehicle by connecting the input end of an adjustable direct current power supply 10 with household alternating current, so that the problem that the storage battery 200 is inconvenient to charge when the vehicle is subjected to an outfield vehicle test can be solved.
Further, the charging and discharging control loop controls the on-off state and the on-off time of the first relay KM1 and the second relay KM2, so that when the first relay KM1 is closed and the second relay KM2 is opened, the adjustable dc power supply 10 charges the storage battery 200 for a first preset time; when the second relay KM2 is closed and the first relay KM1 is opened, the secondary battery 200 is discharged to the discharging circuit 20 for a second preset time. Therefore, the battery quick-charging device 100 can accurately control the amount of electricity charged and discharged to and from the battery 200.
Furthermore, because the sizes of the parts are small, the parts can be integrated into a small charging structure, and the portable charging device is convenient to carry and use outside the field.
In one embodiment, as shown in fig. 1, the charge and discharge control loop includes a switching power supply 31, a charge and discharge switch QS, a third relay KM3 and a timer 32. The input terminal of the switching power supply 31 is connected to the alternating current, and the output terminal is used for outputting a preset second direct current, for example, the positive and negative electrodes thereof output direct currents of 12V and-12V, respectively. The charge and discharge changeover switch QS includes a fixing point 1, a charge contact 2, and a discharge contact 3, the fixing point 1 is connected to the positive electrode of the output terminal of the switching power supply 31, and the charge and discharge changeover switch QS has a first closed state in which the fixing point 1 is connected to the charge contact 2 and a second closed state in which the fixing point 1 is connected to the discharge contact 3. The third relay KM3 includes a first normally closed contact 1 and a second normally closed contact 2. The timer 32 and the first normally closed contact 1 are connected in series between the charging contact 2 and the negative electrode of the switching power supply 31, and connected in series with the second normally closed contact 2 and then connected to the coil of the first relay KM1, so that when the charging and discharging changeover switch QS is switched to the first closed state, the first relay KM1 is closed and the timer 32 times, and after the first predetermined time, the first relay KM1 is opened.
In this embodiment, after the components are connected in the above connection relationship, the charge/discharge changeover switch QS is switched to the first closed state, and the switch power supply 31 operates the timer 32 through the first normally closed contact of the third contact. The charging time, i.e. the first preset time, is calculated according to the current electric quantity of the storage battery 200, the output power of the adjustable dc power supply 10 and the electric quantity of the storage battery 200 to be reached. The timer 32 starts counting time after the time is set according to the first preset time. Meanwhile, the coil of the first relay KM1 is energized by the current passing through the second normally closed contact of the third relay KM3, so that the contact of the first relay KM1 is attracted to charge the battery 200. After the timer 32 finishes counting, the contact of the first contactor is opened, and the battery 200 is charged.
In another embodiment, as shown in fig. 1, the third relay KM3 further includes a third coil 3, a first normally open contact 4, and a second normally open contact 5. The third coil 3 is connected in series between the discharging contact 3 and the negative electrode of the switching power supply 31, the timer 32 is further connected in series between the charging contact 2 and the negative electrode of the switching power supply 31 together with the first normally-open contact 4, and the timer 32 is further connected in series with the second normally-open contact 5 and then connected with the coil of the second relay KM2, so that when the charging and discharging changeover switch QS is switched to the second closed state, the second relay KM2 is closed and the timer 32 times, and the second relay KM2 is opened after the first preset time.
After the components are connected according to the connection relationship described in this embodiment, the charge/discharge changeover switch QS is switched to the second closed state, the third coil 3 of the third relay KM3 is energized, the first normally closed contact and the second normally closed contact thereof are opened, the first normally open contact and the second normally open contact are closed, and the timer 32 operates. The charging time, i.e. the second preset time, is calculated according to the current electric quantity of the storage battery 200 and the electric quantity of the storage battery 200 required to be reached. Meanwhile, the coil of the second relay KM2 is energized, the contact thereof is closed, so that the storage battery 200 is communicated with the discharging circuit 20 for discharging, and when the timer 32 stops counting, the contact of the first contactor is opened, and the storage battery 200 completes discharging.
Optionally, as shown in fig. 1, the charge/discharge changeover switch QS may further include a null point 4 to form a third closed state in which the fixing point 1 is connected to the null point 4, and when the charge/discharge changeover switch is switched to the third closed state, the battery quick-charging device 100 is in a null position, and alternating current is connected but charging or discharging is not performed.
In one embodiment, the discharge circuit 20 includes a first branch, a second branch, and a third branch connected in parallel. The first branch is provided with a first resistor R1 and a first switch S1, the second branch is provided with a second resistor R2 and a second switch S2, and the third branch is provided with a third resistor R3 and a third switch S3.
Alternatively, the discharge current of the first resistor R1 is 2.1A, the discharge current of the second resistor R2 is 4.2A, and the discharge current of the third resistor R3 is 8.3A.
The above embodiment enables the discharge circuit 20 to perform discharge amount with various values by providing three discharge branches including individual switches and providing different resistors in each branch. For example, only the first switch S1 is closed, i.e. the first resistor R1 is used for discharging, and the discharging current of the first resistor R1 is 2.1A, the discharging power of the first branch is 25W. Similarly, when only the second switch S2 is closed, the discharge power of the second branch is 50W; when only the third switch S3 is closed, the discharge power of the third branch is 100W. If three branches are used simultaneously, the total discharge current is 14.6A and the discharge power is 175W. In other embodiments, the first switch S1, the second switch S2, and the third switch S3 may also be selectively opened or closed according to specific discharge requirements. To obtain different discharge powers.
In one embodiment, the charge and discharge control circuit further includes a first cooling fan 33 connected in series in the circuit at the output terminal of the switching power supply 31. The first cooling fan 33 is used for dissipating heat.
In another embodiment, the charge and discharge control circuit further includes a second cooling fan 34 connected in series in the circuit between the discharge contact 3 and the negative electrode of the switching power supply 31. Second cooling fan 34 dissipates heat when battery 200 is discharged.
In one embodiment, the charge and discharge control circuit further includes a delay switch S4 connected in series in the circuit in which the second cooling fan 34 is disposed. After the discharge of the battery 200 is completed, the second cooling fan 34 continues to operate for a certain period of time according to the time set by the time delay switch S4, and then stops operating.
Optionally, the battery quick-charging device 100 further includes an indicator lamp 40 disposed in the connection circuit of the ac power supply and the switching power supply 31. The indicator lamp 40 is used to indicate whether or not ac power is turned on.
Optionally, the battery quick-charging device 100 further includes an emergency stop switch SB provided in the connection circuit of the alternating current and switching power supply 31 and located upstream of the indicator lamp 40. The input of the alternating current can be cut off by opening and closing the emergency stop switch SB, so that the whole battery quick-charging device 100 is powered off.
An alternating current contactor QF can be arranged between the alternating current and the emergency stop switch SB, when the storage battery quick charging device 100 is connected with the alternating current, the alternating current contactor QF is opened, the emergency stop switch SB is pressed, the switch power supply 31, the adjustable direct current power supply 10 and the first cooling fan 33 start to work, and the indicator lamp 40 is turned on.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A storage battery quick charging device is characterized by comprising:
an adjustable dc power supply having an input controllably connected to an alternating current supplying an alternating input voltage and an output for outputting an adjustable first direct current;
the discharging loop is used for releasing electric quantity;
the first relay is arranged in a circuit at the output end of the adjustable direct current power supply;
one end of the second relay is connected with the discharge loop, and the other end of the second relay is connected with the input end of the storage battery; and
and the charging and discharging control loop is used for controlling the on-off state and the on-off time of the first relay and the second relay so as to control the adjustable direct current power supply to charge the storage battery in first preset time or control the storage battery to discharge to the discharging loop in second preset time.
2. The device for rapidly charging the storage battery according to claim 1, wherein the charge-discharge control loop comprises:
the input end of the switching power supply is connected with the alternating current, and the output end of the switching power supply is used for outputting a preset second direct current;
the charging and discharging change-over switch comprises a fixed point, a charging contact and a discharging contact, wherein the fixed point is connected with the positive electrode of the output end of the switching power supply, and the charging and discharging change-over switch has a first closed state in which the fixed point is connected with the charging contact and a second closed state in which the fixed point is connected with the discharging contact;
a third relay including a first normally closed contact and a second normally closed contact; and
and the timer and the first normally closed contact are connected in series between the charging contact and the negative electrode of the switching power supply, and are connected with the coil of the first relay after being connected in series with the second normally closed contact, so that when the charging and discharging change-over switch is switched to a first closed state, the first relay is closed, the timer times, and the first relay is disconnected after first preset time.
3. The battery rapid-charging device according to claim 2,
the third relay further comprises a third coil, a first normally-open contact and a second normally-open contact, the third coil is connected between the discharging contact and the negative electrode of the switching power supply in series, the timer is further connected between the charging contact and the negative electrode of the switching power supply in series with the first normally-open contact, and the timer is further connected with a coil of the second relay after being connected with the second normally-open contact in series, so that when the charging and discharging changeover switch is switched to a second closed state, the second relay is closed, the timer times, and the second relay is opened after the first preset time.
4. The battery rapid-charging device according to claim 3, wherein the discharging circuit comprises:
the circuit comprises a first branch, a second branch and a third branch which are connected in parallel, wherein a first resistor and a first switch are arranged on the first branch, a second resistor and a second switch are arranged on the second branch, and a third resistor and a third switch are arranged on the third branch.
5. The battery rapid-charging device according to claim 4,
the discharging current of the first resistor is 2.1A, the discharging current of the second resistor is 4.2A, and the discharging current of the third resistor is 8.3A.
6. The device for rapidly charging a storage battery according to claim 5, wherein the charge-discharge control circuit further comprises:
and the first cooling fan is connected in series in a loop of the output end of the switching power supply.
7. The device for rapidly charging a storage battery according to claim 6, wherein the charge-discharge control circuit further comprises:
and the second cooling fan is connected in series in a loop between the discharge contact and the negative electrode of the switching power supply.
8. The device for rapidly charging a storage battery according to claim 7, wherein the charge-discharge control circuit further comprises:
and the delay switch is connected in series in the loop provided with the second cooling fan.
9. The battery rapid-charging device according to any one of claims 2 to 8, further comprising:
and the indicator light is arranged in a connecting circuit of the alternating current and the switching power supply.
10. The battery rapid charging device according to claim 9, further comprising:
and the emergency stop switch is arranged in a connecting circuit of the alternating current and the switching power supply and is positioned at the upstream of the indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920636403.3U CN209881479U (en) | 2019-05-06 | 2019-05-06 | Quick charging device for storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920636403.3U CN209881479U (en) | 2019-05-06 | 2019-05-06 | Quick charging device for storage battery |
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| Publication Number | Publication Date |
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| CN209881479U true CN209881479U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920636403.3U Active CN209881479U (en) | 2019-05-06 | 2019-05-06 | Quick charging device for storage battery |
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| CN (1) | CN209881479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641246A (en) * | 2020-07-06 | 2020-09-08 | 中车青岛四方机车车辆股份有限公司 | Storage battery safety protection circuit, storage battery control method and device and train |
-
2019
- 2019-05-06 CN CN201920636403.3U patent/CN209881479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641246A (en) * | 2020-07-06 | 2020-09-08 | 中车青岛四方机车车辆股份有限公司 | Storage battery safety protection circuit, storage battery control method and device and train |
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