CN202872385U - Energy-regenerative DC electronic load device - Google Patents

Energy-regenerative DC electronic load device Download PDF

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Publication number
CN202872385U
CN202872385U CN201220455321.7U CN201220455321U CN202872385U CN 202872385 U CN202872385 U CN 202872385U CN 201220455321 U CN201220455321 U CN 201220455321U CN 202872385 U CN202872385 U CN 202872385U
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CN
China
Prior art keywords
energy
circuit
voltage detection
detection module
load device
Prior art date
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Expired - Lifetime
Application number
CN201220455321.7U
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Chinese (zh)
Inventor
孙仁吉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Meikai Lin Polytron Technologies Inc
Original Assignee
Qingdao Mei Kailin Science And Technology Ltd
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Priority to CN201220455321.7U priority Critical patent/CN202872385U/en
Application granted granted Critical
Publication of CN202872385U publication Critical patent/CN202872385U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Direct Current Feeding And Distribution (AREA)

Abstract

The utility model discloses an energy-regenerative DC electronic load device, comprising an input current and voltage detection module, a DC-DC conversion module, a DC-AC conversion module, an output current and voltage detection module and a control circuit. The input current and voltage detection module, the DC-DC conversion module, the DC-AC conversion module, the output current and voltage detection module and the control circuit are connected and cooperated. Energy of battery discharging is fed back again to a power grid. Chemical energy of a DC power source generated by tests is fed back to the power grid, so that energy is saved.

Description

Energy DC electronic load device
Technical field
The utility model relates to the electrokinetic cell detection field, specifically a kind of energy DC electronic load device.
Background technology
At present, the electrokinetic cell that the new forms of energy industry is used, the test that all will discharge and recharge.In the charging measurement, need the online electric energy of electricity consumption to become chemical energy; In the discharge test, again chemical energy is discharged.The method that discharges generally all is to adopt the mode of conductive discharge, and a large amount of energy become heat loss.The charger product supporting for new forms of energy all will carry out load testing, and resistance is generally also selected in the load in the load testing, and the energy in the electrical network is also consumed on resistance, and a large amount of energy wastes have been fallen.
The utility model content
The technical problem that the utility model solves is that a kind of energy DC electronic load device that electric energy is delivered to again electrical network is provided.
In order to solve the problems of the technologies described above, the technical scheme that the utility model provides is, a kind of energy DC electronic load device comprises input current voltage detection module, DC-DC modular converter, DC-AC modular converter, output current voltage detection module and control circuit, and they connect cooperation;
Preferably, described control circuit comprises DSP control circuit, CPLD circuit, keyboard-display circuit and CAN telecommunication circuit, and they cooperatively interact;
Preferably, described DC-DC change-over circuit and DC-AC change-over circuit form by bridge-type power device MOSFET and drive circuit separately;
Preferably, described input current voltage detection module is comprised of current transformer and input relay;
Preferably, described output current voltage detection module is comprised of filter inductance and output relay.
Be compared with existing technology, the technique effect that the utility model produces is, the energy when battery discharge,
Again feed back to electrical network; DC power supply because the chemical energy of test generation feeds back to electrical network, has been saved the energy.
Description of drawings
Fig. 1 is the circuit theory schematic diagram of energy DC electronic load device described in the utility model.
Among the figure, 1. input current voltage detection module; 2.DC-DC modular converter; 3.DC-AC modular converter; 4. output current voltage detection module.
Embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated.
As shown in Figure 1, in the present embodiment, energy DC electronic load device comprises input current voltage detection module 1, is mainly used in parameter testing, and its preferred current transformer and input relay form, and realizes the input soft start; Also comprising DC-DC modular converter 2, mainly is by bridge-type power device MOSFET, and the drive circuit that normal operation needs forms; Also comprising DC-AC modular converter 3, mainly is by bridge-type power device MOSFET, and the drive circuit that normal operation needs forms; Also comprise output current voltage detection module 3, mainly formed by output inductor and output relay; Also comprise control circuit, this control circuit mainly is comprised of DSP control circuit, CPLD circuit, keyboard-display circuit and CAN telecommunication circuit, and the DSP control circuit is the control of finishing the each several part circuit, the most important thing is to form the algorithm control of DC-DC and DC-AC; The CPLD circuit is the pwm pulse increase interlocking with DSP output, improves the reliability of circuit, then send drive circuit to carry out the power ratio control device; The CAN telecommunication circuit is DSP and the outside circuit that contacts; Keyboard-display circuit is that the user carries out the circuit that parameter arranges.CAN communication circuit, DSP control circuit mainly are comprised of DSP (TMS28335 of TI) and integrated circuit PCA82C250.CPLD circuit, drive circuit mainly drive TLP250 by CPLD by the chip EPM3064ATC100-7 of Alteral and optocoupler and A316J forms; Temperature detection protective circuit: mainly formed by some temperature switches and comparator and voltage reference.

Claims (4)

1. energy DC electronic load device, comprise input current voltage detection module, DC-DC modular converter, DC-AC modular converter, output current voltage detection module and control circuit, they connect cooperation, it is characterized in that: described control circuit comprises DSP control circuit, CPLD circuit, keyboard-display circuit and CAN telecommunication circuit, and they cooperatively interact.
2. described energy DC electronic load device according to claim 1, it is characterized in that: described DC-DC change-over circuit and DC-AC change-over circuit form by bridge-type power device MOSFET and drive circuit separately.
3. described energy DC electronic load device according to claim 1, it is characterized in that: described input current voltage detection module is comprised of current transformer and input relay.
4. described energy DC electronic load device according to claim 1, it is characterized in that: described output current voltage detection module is comprised of output inductor and output relay.
CN201220455321.7U 2012-09-03 2012-09-03 Energy-regenerative DC electronic load device Expired - Lifetime CN202872385U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201220455321.7U CN202872385U (en) 2012-09-03 2012-09-03 Energy-regenerative DC electronic load device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201220455321.7U CN202872385U (en) 2012-09-03 2012-09-03 Energy-regenerative DC electronic load device

Publications (1)

Publication Number Publication Date
CN202872385U true CN202872385U (en) 2013-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201220455321.7U Expired - Lifetime CN202872385U (en) 2012-09-03 2012-09-03 Energy-regenerative DC electronic load device

Country Status (1)

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CN (1) CN202872385U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105242221A (en) * 2015-11-17 2016-01-13 武汉征原电气有限公司 DC feedback type DC electronic load for locomotive power supply test
CN105449988A (en) * 2015-11-17 2016-03-30 武汉征原电气有限公司 Alternating-current grid-connected direct-current electronic load used for locomotive power supply test
CN106772095A (en) * 2017-01-19 2017-05-31 江苏迈特菲光电技术有限公司 A kind of electronic load of electric regenerative
CN107908135A (en) * 2017-11-29 2018-04-13 常州同惠电子股份有限公司 The Digital Implementation method of DC Electronic Loads soft start
CN108155669A (en) * 2018-02-11 2018-06-12 常州博能新能源有限公司 Energy electronic load device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105242221A (en) * 2015-11-17 2016-01-13 武汉征原电气有限公司 DC feedback type DC electronic load for locomotive power supply test
CN105449988A (en) * 2015-11-17 2016-03-30 武汉征原电气有限公司 Alternating-current grid-connected direct-current electronic load used for locomotive power supply test
CN106772095A (en) * 2017-01-19 2017-05-31 江苏迈特菲光电技术有限公司 A kind of electronic load of electric regenerative
CN107908135A (en) * 2017-11-29 2018-04-13 常州同惠电子股份有限公司 The Digital Implementation method of DC Electronic Loads soft start
CN107908135B (en) * 2017-11-29 2020-09-08 常州同惠电子股份有限公司 Digital implementation method for soft start of direct current electronic load
CN108155669A (en) * 2018-02-11 2018-06-12 常州博能新能源有限公司 Energy electronic load device
CN108155669B (en) * 2018-02-11 2024-05-28 常州博能新能源有限公司 Energy feedback type electronic load device

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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: 266110 Qingdao high tech Industrial Development Zone, Qingdao Province, National University of science and Technology Park,, A-117

Patentee after: QINGDAO MEIKAI LIN POLYTRON TECHNOLOGIES Inc.

Address before: 266110 Qingdao high tech Industrial Development Zone, Qingdao Province, National University of science and Technology Park,, A-117

Patentee before: Qingdao Meikailin Technology Co.,Ltd.

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Energy-regenerative DC electronic load device

Effective date of registration: 20180504

Granted publication date: 20130410

Pledgee: Qingdao high technology financing Company limited by guarantee

Pledgor: QINGDAO MEIKAI LIN POLYTRON TECHNOLOGIES Inc.

Registration number: 2018370010032

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Date of cancellation: 20190528

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Registration number: 2018370010032

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Energy-regenerative DC electronic load device

Effective date of registration: 20190701

Granted publication date: 20130410

Pledgee: Qingdao high technology financing Company limited by guarantee

Pledgor: QINGDAO MEIKAI LIN POLYTRON TECHNOLOGIES Inc.

Registration number: 2019990000639

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Pledgor: QINGDAO MEIKAI LIN POLYTRON TECHNOLOGIES Inc.

Registration number: 2019990000639

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Energy feedback DC electronic load device

Effective date of registration: 20200813

Granted publication date: 20130410

Pledgee: Qingdao high technology financing Company limited by guarantee

Pledgor: QINGDAO MEIKAI LIN POLYTRON TECHNOLOGIES Inc.

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