CN205489578U - Prevent anti - discharge circuit of irritating of battery voltage - Google Patents
Prevent anti - discharge circuit of irritating of battery voltage Download PDFInfo
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- CN205489578U CN205489578U CN201521132708.9U CN201521132708U CN205489578U CN 205489578 U CN205489578 U CN 205489578U CN 201521132708 U CN201521132708 U CN 201521132708U CN 205489578 U CN205489578 U CN 205489578U
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- hvdc
- output module
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- direct current
- high voltage
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Abstract
The utility model discloses a prevent anti - discharge circuit of irritating of battery voltage, has the high voltage direct current output module anodal and negative pole including at least one, every high voltage direct current output module connects the high voltage direct current distribution unit rather than corresponding, it has the discharge cell to connect in parallel between high voltage direct current output module and high voltage direct current distribution unit, all high voltage direct current distribution unit all connect the group battery, when the system charges no longer for load or battery, because high voltage direct current distribution unit's existence, battery voltage can not instead irritate for the input, simultaneous control high voltage direct current output module shuts down, the zero passage that can realize high voltage direct current distribution unit breaks away from, it damages to avoid high -pressure heavy current to draw the arc guide to send the device.
Description
[technical field]
This utility model belongs to field of power electronics, is specifically related to a kind of prevent the anti-discharge circuit filled of cell voltage.
[background technology]
Along with the development of Power Electronic Technique, HVDC technology is commonly utilized in various occasion, especially in terms of charging electric vehicle.HVDC technology has efficiency of transmission height, parallel technology maturation, reliability high, but there is the development that security of system is poor, high pressure departs from the problem obstruction HVDCs such as expensive, the battery short circuit protection difficulty of device.When this utility model successfully solves HVDC disengaging, system discharge problem；Prevent during system short-circuit that battery is counter fills problem；HVDC zero passage departs from, and can use low-voltage device with low cost.
[utility model content]
The purpose of this utility model is to overcome above-mentioned deficiency, it is provided that a kind of prevent the anti-discharge circuit filled of cell voltage, solves when there is HVDC unit detachment system in prior art, it is impossible to discharge in time, the problem causing potential safety hazard.
In order to achieve the above object, this utility model includes that at least one has the HVDC output module of positive pole and negative pole, each HVDC output module connects corresponding HVDC allocation unit, it is parallel with discharge cell between HVDC output module and HVDC allocation unit, all HVDC allocation units are all connected with set of cells, and HVDC allocation unit can control HVDC output module and is connected with set of cells or disconnects.
Described HVDC output module includes AC/DC changer or DC/DC changer.
Described discharge cell includes power resistor R1 and the positive pole of discharge switch K3, power resistor R1 connection HVDC output module of series connection, and the other end of discharge switch K3 connects the negative pole of HVDC output module.
It is provided with the first switch K1 and second switch K2, the first switch K1 or second switch K2 on the positive pole of described HVDC allocation unit and negative pole respectively and is in series with the diode D1 or the diode D2 of positive pole connection battery electrode of negative pole connection battery anode.
Described HVDC allocation unit includes the first switch K1 being connected with HVDC output module positive pole, and the second switch K3 being connected with HVDC output module negative pole, first switch K1 downstream connects the positive pole of diode D1, and the negative pole of diode D1 connects set of cells.
Described HVDC allocation unit includes the first switch K1 being connected with HVDC output module positive pole, and the second switch K3 being connected with HVDC output module negative pole, second switch K2 downstream connects the negative pole of diode D2, and the positive pole of diode D2 connects set of cells.
Compared with prior art, this utility model has the advantages that
1, when system no longer gives load or battery charging, DC Module shuts down, and discharge cell is started working, and makes system be in electroless state, improves security of system；
2, when system no longer gives load or battery charging, due to the existence of HVDC allocation unit, cell voltage can not counter fill to input, controls the shutdown of HVDC output module simultaneously, the zero passage that can realize HVDC allocation unit departs from, it is to avoid high-voltage great-current arcing causes device failure；
3, when system no longer give load or battery charging time, due to the existence of HVDC allocation unit, cell voltage can not counter fill to input, simultaneously control HVDC output module shutdown, can realize high voltage output module at OIR；
4, it is short-circuited when HVDC allocation unit input side, due to the existence of HVDC allocation unit, prevents that cell voltage is counter to be filled, it is to avoid it is on fire that high-current leading plays system, improve the safety of system；
5, it is short-circuited when HVDC output module outlet side, due to the existence of HVDC allocation unit, prevents that cell voltage is counter to be filled, it is to avoid it is on fire that high-current leading plays system, improve the safety of system；
6, when discharge cell works, real-time monitoring modular output voltage, if output voltage can only not decline in the regular hour, illustrate that circuit abnormality, output discharge circuit quit work, it is to avoid output discharge circuit over-discharge, cause circuit to damage；
7, this utility model can use one group to charge the battery, it is also possible to is to charge the battery after N group parallel connection；
8, the system of this utility model composition, discharge circuit the most independently controls, owing to the existence of HVDC allocation unit is independent of each other.
[accompanying drawing explanation]
Fig. 1 is system block diagram of the present utility model；
Fig. 2 is the basic electric unit connection figure of this utility model embodiment 1；
Fig. 3 is the basic electric unit connection figure of this utility model embodiment 2；
Fig. 4 is utility model works sequential chart.
[detailed description of the invention]
With embodiment, this utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1:
See Fig. 1 and Fig. 2, this utility model includes that at least one has the HVDC output module 1 of positive pole and negative pole, each HVDC output module 1 connects corresponding HVDC allocation unit 2, being parallel with discharge cell 3 between HVDC output module 1 and HVDC allocation unit 2, all HVDC allocation units 2 are all connected with set of cells 4；
Discharge cell 3 includes power resistor R1 and the positive pole of discharge switch K3, power resistor R1 connection HVDC output module 1 of series connection, and the other end of discharge switch K3 connects the negative pole of HVDC output module 1；
HVDC allocation unit 2 includes the first switch K1 being connected with HVDC output module 1 positive pole, and the second switch K3 being connected with HVDC output module 1 negative pole, first switch K1 downstream connects the positive pole of diode D1, and the negative pole of diode D1 connects set of cells 4.
Embodiment 2:
See Fig. 3, this utility model includes that at least one has the HVDC output module 1 of positive pole and negative pole, each HVDC output module 1 connects corresponding HVDC allocation unit 2, being parallel with discharge cell 3 between HVDC output module 1 and HVDC allocation unit 2, all HVDC allocation units 2 are all connected with set of cells 4；
Discharge cell 3 includes power resistor R1 and the positive pole of discharge switch K3, power resistor R1 connection HVDC output module 1 of series connection, and the other end of discharge switch K3 connects the negative pole of HVDC output module 1；
HVDC allocation unit 2 includes the first switch K1 being connected with HVDC output module 1 positive pole, and the second switch K3 being connected with HVDC output module 1 negative pole, second switch K2 downstream connects the negative pole of diode D2, and the positive pole of diode D2 connects set of cells 4.
HVDC output module 1 includes AC/DC changer or DC/DC changer.
See Fig. 4, t1 moment, HVDC allocation unit 2K1 and K2 and switch adhesive, zero current adhesive；In the t2 moment, HVDC output module 1 starts to start；In the t3 moment, HVDC output module 1 has started, and starts to charge to load or set of cells 4；In the t4 moment, set of cells 4 charging complete, HVDC output module 1 shuts down, and the discharge switch K3 in discharge cell 3 closes star t-up discharge, and HVDC output voltage begins to decline；In the t5 moment, detect that electric discharge completes, be deferred to the t6 moment, close discharge cell 3 signal；In the t7 moment, K1 and K2 disconnects, and zero stream disconnects, and completes charging.
Claims (6)
1. one kind prevents the anti-discharge circuit filled of cell voltage, it is characterized in that, including at least one, there is the HVDC output module (1) of positive pole and negative pole, each HVDC output module (1) connects corresponding HVDC allocation unit (2), discharge cell (3) it is parallel with between HVDC output module (1) and HVDC allocation unit (2), all HVDC allocation units (2) are all connected with set of cells (4), HVDC allocation unit (2) can control HVDC output module (1) and is connected with set of cells (4) or disconnects.
The most according to claim 1 a kind of prevent the anti-discharge circuit filled of cell voltage, it is characterised in that described HVDC output module (1) includes AC/DC changer or DC/DC changer.
The most according to claim 1 a kind of prevent the anti-discharge circuit filled of cell voltage, it is characterized in that, described discharge cell (3) includes the power resistor R1 and discharge switch K3 of series connection, power resistor R1 connects the positive pole of HVDC output module (1), and the other end of discharge switch K3 connects the negative pole of HVDC output module (1).
The most according to claim 1 a kind of prevent the anti-discharge circuit filled of cell voltage, it is characterized in that, it is provided with the first switch K1 and second switch K2, the first switch K1 or second switch K2 on the positive pole of described HVDC allocation unit (2) and negative pole respectively and is in series with the diode D1 or the diode D2 of positive pole connection set of cells (4) negative pole of negative pole connection set of cells (4) positive pole.
The most according to claim 4 a kind of prevent the anti-discharge circuit filled of cell voltage, it is characterized in that, described HVDC allocation unit (2) includes the first switch K1 being connected with HVDC output module (1) positive pole, and the second switch K3 being connected with HVDC output module (1) negative pole, first switch K1 downstream connects the positive pole of diode D1, and the negative pole of diode D1 connects set of cells (4).
The most according to claim 5 a kind of prevent the anti-discharge circuit filled of cell voltage, it is characterized in that, described HVDC allocation unit (2) includes the first switch K1 being connected with HVDC output module (1) positive pole, and the second switch K3 being connected with HVDC output module (1) negative pole, second switch K2 downstream connects the negative pole of diode D2, and the positive pole of diode D2 connects set of cells (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521132708.9U CN205489578U (en) | 2015-12-30 | 2015-12-30 | Prevent anti - discharge circuit of irritating of battery voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521132708.9U CN205489578U (en) | 2015-12-30 | 2015-12-30 | Prevent anti - discharge circuit of irritating of battery voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205489578U true CN205489578U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521132708.9U Active CN205489578U (en) | 2015-12-30 | 2015-12-30 | Prevent anti - discharge circuit of irritating of battery voltage |
Country Status (1)
| Country | Link |
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| CN (1) | CN205489578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449781A (en) * | 2015-12-30 | 2016-03-30 | 西安特锐德智能充电科技有限公司 | Discharge circuit for preventing voltages of batteries from flowing backwards and control method |
| CN108242830A (en) * | 2016-12-23 | 2018-07-03 | 茂达电子股份有限公司 | Switching type charging circuit |
-
2015
- 2015-12-30 CN CN201521132708.9U patent/CN205489578U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449781A (en) * | 2015-12-30 | 2016-03-30 | 西安特锐德智能充电科技有限公司 | Discharge circuit for preventing voltages of batteries from flowing backwards and control method |
| CN108242830A (en) * | 2016-12-23 | 2018-07-03 | 茂达电子股份有限公司 | Switching type charging circuit |
| CN108242830B (en) * | 2016-12-23 | 2020-02-04 | 茂达电子股份有限公司 | Switching type charging circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. e206-2, R & D building, building e, HUanpu science and Technology Industrial Park, 211 tianguba Road, high tech Zone, Xi'an City, Shaanxi Province, 710077 Patentee after: Xi'an Telai Intelligent Charging Technology Co.,Ltd. Address before: No. e206-2, R & D building, building e, HUanpu science and Technology Industrial Park, 211 tianguba Road, high tech Zone, Xi'an City, Shaanxi Province, 710077 Patentee before: XI'AN TGOOD INTELLIGENT CHARGING TECHNOLOGY Co.,Ltd. |