CN105539316A - Power on/off protection device for hybrid power motor controller and using method of power on/off protection device - Google Patents

Power on/off protection device for hybrid power motor controller and using method of power on/off protection device Download PDF

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Publication number
CN105539316A
CN105539316A CN201510986030.9A CN201510986030A CN105539316A CN 105539316 A CN105539316 A CN 105539316A CN 201510986030 A CN201510986030 A CN 201510986030A CN 105539316 A CN105539316 A CN 105539316A
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CN
China
Prior art keywords
switch
switches
machine controller
electric machine
closed
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CN201510986030.9A
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Chinese (zh)
Inventor
殷实
李林
项旭昇
程欢
殷勇
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Dongfeng Commercial Vehicle Co Ltd
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Dongfeng Commercial Vehicle Co Ltd
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Priority to CN201510986030.9A priority Critical patent/CN105539316A/en
Publication of CN105539316A publication Critical patent/CN105539316A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements

Abstract

A power on/off protection device for a hybrid power motor controller comprises an energy storage device, a motor controller, a motor, an auxiliary resistor, a first switch, a second switch and a third switch; after passing through the first switch, a positive terminal of the energy storage device is connected with a positive terminal of the motor controller; after passing through the second switch and the auxiliary resistor in sequence, the positive terminal of the energy storage device is connected with the positive terminal of the motor controller; a negative terminal of the motor controller is connected with a negative terminal of the energy storage device; after being connected with the auxiliary resistor in series, the second switch is connected with the first switch in parallel; the second switch and a node of the auxiliary resistor are connected with the negative terminal of the energy storage device through the third switch. When the power on/off protection device is used, by turning on or turning off the first switch, the second switch and the third switch, the auxiliary resistor is limited in current or discharges during a power on process and a power off process of the motor controller so as to protect the motor controller. The power on/off protection device not only is capable of protecting the motor controller both in the power on process and the power off process but also is capable of avoiding electric arc hazard, and is simple in structure and relatively low in cost.

Description

A kind of hybrid powder motor controller switch on and off protection device and using method thereof
Technical field
The present invention relates to a kind of electric machine controller switch on and off protection device, particularly relate to a kind of hybrid powder motor controller switch on and off protection device and using method thereof, be specifically applicable to all can protect electric machine controller in upper and lower electric process.
Background technology
Increasingly strict along with automobile energy consumption regulation, hybrid vehicle becomes the focus improving oil consumption already, and electric machine controller is as the kernel component in hybrid electric system, particularly important.In the routine use of electric machine controller, the make and break process of high pressure forceful electric power is the groundwork reason causing electric machine controller fault or damage, therefore, controls to be the core work protecting electric machine controller to electric machine controller power on/off process.
Chinese patent; Authorization Notice No. is CN202940467U; authorized announcement date is that the utility model patent on May 15th, 2013 discloses a kind of pure electric minibus high voltage distribution box; this application proposes; miniature hybrid power passenger car adopts the structure of splitter box; hybrid power power drive system is managed; but the method is system complex, easily interference mutually not only; not good to the electric machine controller protected effect in power up; and exist after power drive system quits work, the defect that electric energy cannot discharge.
Chinese patent, application publication number is CN102815221A, Shen Qing Publication day is the electrical vehicular power plateform system that the application for a patent for invention on December 12nd, 2012 discloses a kind of control integration, comprises power battery pack, battery protecting plate, electric machine controller and motor; Electric machine controller respectively with power battery pack positive pole and the negative pole of power battery pack be connected; Battery protecting plate is connected with electric machine controller with high voltage protective signal wire (SW) respectively by low charge alert signal wire (SW), low-voltage variation signal wire (SW), sends low charge alert, low-voltage variation and high voltage protective on-off signal respectively to electric machine controller.Although this design can carry out charge protection, discharge prevention to power battery pack; but its object of protection concentrates on power battery pack; instead of electric machine controller; can not protect electric machine controller in power up, when can not discharge electric energy, voltage in lower electric process, electric machine controller be protected.
Summary of the invention
The object of the invention is to overcome the defect all can be able to not protected electric machine controller in upper and lower electric process and problem that exist in prior art, a kind of hybrid powder motor controller switch on and off protection device that all can protect electric machine controller in upper and lower electric process and using method thereof are provided.
For realizing above object, technical solution of the present invention is: a kind of hybrid powder motor controller switch on and off protection device, comprise closed-center system, electric machine controller and motor, described motor is connected with electric machine controller, the positive and negative end of this electric machine controller is connected with the positive and negative end of closed-center system, and is provided with electric capacity in electric machine controller;
Described switch on and off protection device also comprises a switch, No. two switches, No. three switches and auxiliary resistances;
The positive terminal of described closed-center system is connected with the positive terminal of electric machine controller after a switch, the positive terminal of closed-center system is connected with the positive terminal of electric machine controller successively after No. two switches, auxiliary resistance, the negative pole end of electric machine controller is connected with the negative pole end of closed-center system, No. two switches after connecting with auxiliary resistance again with a switch in parallel, the node of No. two switches, auxiliary resistance is connected with the negative pole end of closed-center system by No. three switches.
A described switch, No. two switches, No. three switches are all relay switches.
The working parameter of described closed-center system is: voltage 600 volts, and maximum charge-discharge electric power is greater than 300 kilowatts;
The working parameter of described electric machine controller is: maximum voltage 1200 volts, maximum power 160 kilowatts, and electric machine controller is inversion commutator machine controller.
The resistance of described auxiliary resistance is 120 Europe.
Described motor is connected with electric machine controller by motor three-phase power line, motor speed signal line, motor control signal line.
A using method for above-mentioned hybrid powder motor controller switch on and off protection device, described using method comprises the following steps successively:
Instrument initial condition: switch, No. two switches, No. three switches all disconnect;
Power up and control: be first communicated with and control light current, more closed No. two switches are to give the capacitor charging in electric machine controller, treat that the capacitor charging in electric machine controller is complete, namely when its voltage is consistent with closed-center system, a closed switch again, and disconnect No. two switches, thus complete power up;
Lower electric process and control: first disconnect a switch and quit work to make closed-center system, closed No. three switches are to discharge the voltage in electric machine controller and electric energy by auxiliary resistance again, after treating voltage in electric machine controller and electric energy release, disconnect No. three switches again, and closing control light current, thus complete lower electric process.
Described control light current comprises the control electricity of a switch, No. two switches, No. three switches.
The size of described control light current is 24 volts.
Described power up and in controlling, when to capacitor charging in electric machine controller, the electric current in circuit is less than 5 amperes.
Described electric current is less than the control of 5 amperes by adjusting the resistance realization of auxiliary resistance.
Compared with prior art, beneficial effect of the present invention is:
1, in a kind of hybrid powder motor controller switch on and off protection device and using method thereof, at closed-center system, a switch has been set up in the loop that electric machine controller forms, No. two switches, No. three switches and auxiliary resistance, wherein, No. two switches after connecting with auxiliary resistance again with a switch in parallel, No. two switches, the node of auxiliary resistance is connected with the negative pole end of closed-center system by No. three switches, during use, by to a switch, No. two switches, closed or the opening operation of No. three switches, make auxiliary resistance powering on respectively at electric machine controller, current limliting and discharge process is played in lower electric process, to protect electric machine controller.Therefore, the present invention all can protect electric machine controller in upper and lower electric process.
2, in a kind of hybrid powder motor controller switch on and off protection device and using method thereof; a described switch, No. two switches, No. three switches are all relay switches; during use; relay can not only play the effects such as automatic adjustment, safety guard-safeguard, change-over circuit in circuit; and due to its install contact be encapsulation process, even if produce little electric arc, also can not involve peripheral equipment and personnel; thus electric arc can be avoided to endanger, and safety is higher.Therefore, the present invention can avoid electric arc to endanger.
3, in a kind of hybrid powder motor controller switch on and off protection device and using method thereof; in the loop that existing closed-center system, electric machine controller form; only set up a switch, protection that No. two switches, No. three switches, these four parts of auxiliary resistance just can realize electric machine controller in upper and lower electric process; not only amount of parts is less; structure is simple; productive costs is lower, and is easy to operation, and use cost is lower.Therefore, structure of the present invention is simple, and cost is lower.
Accompanying drawing explanation
Fig. 1 is circuit connection diagram of the present invention.
In figure: closed-center system 1, electric machine controller 2, electric capacity 21, motor 3, motor three-phase power line 31, motor speed signal line 32, motor control signal line 33, K switch 1, No. two K switch 2, No. three K switch 3, auxiliary resistance R.
Detailed description of the invention
Illustrate that the present invention is further detailed explanation with detailed description of the invention below in conjunction with accompanying drawing.
See Fig. 1, a kind of hybrid powder motor controller switch on and off protection device, comprise closed-center system 1, electric machine controller 2 and motor 3, described motor 3 is connected with electric machine controller 2, the positive and negative end of this electric machine controller 2 is connected with the positive and negative end of closed-center system 1, and is provided with electric capacity 21 in electric machine controller 2;
Described switch on and off protection device also comprises a K switch 1, No. two K switch 2, No. three K switch 3 and auxiliary resistance R; The positive terminal of described closed-center system 1 is connected with the positive terminal of electric machine controller 2 after a K switch 1, the positive terminal of closed-center system 1 is connected with the positive terminal of electric machine controller 2 successively after No. two K switch 2, auxiliary resistance R, the negative pole end of electric machine controller 2 is connected with the negative pole end of closed-center system 1, No. two K switch 2 are in parallel with a K switch 1 again after connecting with auxiliary resistance R, and the node of No. two K switch 2, auxiliary resistance R is connected with the negative pole end of closed-center system 1 by No. three K switch 3.
A described K switch 1, No. two K switch 2, No. three K switch 3 are all relay switches.
The working parameter of described closed-center system 1 is: voltage 600 volts, and maximum charge-discharge electric power is greater than 300 kilowatts; The working parameter of described electric machine controller 2 is: maximum voltage 1200 volts, maximum power 160 kilowatts, and electric machine controller 2 is inversion commutator machine controllers.
The resistance of described auxiliary resistance R is 120 Europe.
Described motor 3 is connected with electric machine controller 2 by motor three-phase power line 31, motor speed signal line 32, motor control signal line 33.
A using method for above-mentioned hybrid powder motor controller switch on and off protection device, described using method comprises the following steps successively:
Instrument initial condition a: K switch 1, No. two K switch 2, No. three K switch 3 all disconnect;
Power up and control: be first communicated with and control light current, closed No. two K switch 2 are charged to give the electric capacity 21 in electric machine controller 2 again, treat that the electric capacity 21 in electric machine controller 2 charges complete, namely when its voltage is consistent with closed-center system 1, a closed K switch 1 again, and disconnect No. two K switch 2, thus complete power up;
Lower electric process and control: first disconnect a K switch 1 and quit work to make closed-center system 1, closed No. three K switch 3 are to discharge the voltage in electric machine controller 2 and electric energy by auxiliary resistance R again, after treating voltage in electric machine controller 2 and electric energy release, disconnect No. three K switch 3 again, and closing control light current, thus complete lower electric process.
Described control light current comprises the control electricity of a K switch 1, No. two K switch 2, No. three K switch 3.
The size of described control light current is 24 volts.
Described power up and control in, when charging to the electric capacity 21 in electric machine controller 2, the electric current in circuit is less than 5 amperes.
Described electric current is less than the control of 5 amperes by adjusting the resistance realization of auxiliary resistance R.
Principle of the present invention is described as follows:
The object of the present invention is to provide one can protect motor power up, release electric energy and voltage during same electricity at present, thus the design of protection electric machine controller.For this reason, specially devise circuit kit system, namely in the loop that closed-center system, electric machine controller form, a switch, No. two switches, No. three switches and auxiliary resistances have been set up, wherein, No. two switches after connecting with auxiliary resistance again with a switch in parallel, the node of No. two switches, auxiliary resistance is connected with the negative pole end of closed-center system by No. three switches.During use; by a switch, No. two switches, No. three switches closed or opening operation separately; so that closed-center system, electric machine controller are accessed in different circuit loops; thus play the current limliting of auxiliary resistance or discharge effect, finally realize powering on, all can protect electric machine controller in lower electric process.
Control light current: in hybrid power system, electric energy is divided into the control light current of the equipment such as electric machine controller, closed-center system, relay, and the high pressure forceful electric power of the equipment such as motor, electric machine controller work, wherein, control light current and be generally 24V.
Relay switch: relay is a kind of electronic control device; it has control system (also known as input circuit) and by control system (also known as output loop); usually be applied in automatic control circuit; it is actually the one " automatic switch " going to control larger current with less electric current, therefore plays the effects such as automatic adjustment, safety guard-safeguard, change-over circuit in circuit.In addition, encapsulation process can be used in the installation contact of relay, even if produce little electric arc, also can not involve peripheral equipment and personnel.
Embodiment 1:
See Fig. 1, a kind of hybrid powder motor controller switch on and off protection device, comprise closed-center system 1, electric machine controller 2, motor 3, a K switch 1, No. two K switch 2, No. three K switch 3 and auxiliary resistance R, described motor 3 is connected with electric machine controller 2, the positive terminal of described closed-center system 1 is connected with the positive terminal of electric machine controller 2 after a K switch 1, the positive terminal of closed-center system 1 is successively through No. two K switch 2, be connected with the positive terminal of electric machine controller 2 after auxiliary resistance R, the negative pole end of electric machine controller 2 is connected with the negative pole end of closed-center system 1, No. two K switch 2 are in parallel with a K switch 1 again after connecting with auxiliary resistance R, No. two K switch 2, the node of auxiliary resistance R is connected with the negative pole end of closed-center system 1 by No. three K switch 3.
A using method for above-mentioned hybrid powder motor controller switch on and off protection device, described using method comprises the following steps successively:
Instrument initial condition a: K switch 1, No. two K switch 2, No. three K switch 3 all disconnect;
Power up and control: be first communicated with and control light current, closed No. two K switch 2 are charged to give the electric capacity 21 in electric machine controller 2 again, treat that the electric capacity 21 in electric machine controller 2 charges complete, namely when its voltage is consistent with closed-center system 1, a closed K switch 1 again, and disconnect No. two K switch 2, thus complete power up;
Lower electric process and control: first disconnect a K switch 1 and quit work to make closed-center system 1, closed No. three K switch 3 are to discharge the voltage in electric machine controller 2 and electric energy by auxiliary resistance R again, after treating voltage in electric machine controller 2 and electric energy release, disconnect No. three K switch 3 again, and closing control light current, thus complete lower electric process.
Embodiment 2:
Substance is with embodiment 1, and difference is:
A described K switch 1, No. two K switch 2, No. three K switch 3 are all relay switches.
Embodiment 3:
Substance is with embodiment 1, and difference is:
The working parameter of described closed-center system 1 is: voltage 600 volts, and maximum charge-discharge electric power is greater than 300 kilowatts; The working parameter of described electric machine controller 2 is: maximum voltage 1200 volts, maximum power 160 kilowatts, and electric machine controller 2 is inversion commutator machine controllers.The resistance of described auxiliary resistance R is 120 Europe.
Embodiment 4:
Substance is with embodiment 1, and difference is:
Described control light current comprises the control electricity of a K switch 1, No. two K switch 2, No. three K switch 3, and the size of this control light current is 24 volts.
Embodiment 5:
Substance is with embodiment 1, and difference is:
Described power up and in controlling, when charging to the electric capacity 21 in electric machine controller 2, the electric current in circuit is less than 5 amperes, and the control that electric current is less than 5 amperes is realized by the resistance of adjustment auxiliary resistance R.

Claims (10)

1. a hybrid powder motor controller switch on and off protection device; comprise closed-center system (1), electric machine controller (2) and motor (3); described motor (3) is connected with electric machine controller (2); the positive and negative end of this electric machine controller (2) is connected with the positive and negative end of closed-center system (1); and electric capacity (21) is provided with in electric machine controller (2), it is characterized in that:
Described switch on and off protection device also comprises a switch (K1), No. two switches (K2), No. three switches (K3) and auxiliary resistances (R);
The positive terminal of described closed-center system (1) is connected with the positive terminal of electric machine controller (2) after a switch (K1), the positive terminal of closed-center system (1) is successively through No. two switches (K2), auxiliary resistance (R) is connected with the positive terminal of electric machine controller (2) afterwards, the negative pole end of electric machine controller (2) is connected with the negative pole end of closed-center system (1), No. two switches (K2) are in parallel with a switch (K1) again after connecting with auxiliary resistance (R), No. two switches (K2), the node of auxiliary resistance (R) is connected with the negative pole end of closed-center system (1) by No. three switches (K3).
2. a kind of hybrid powder motor controller switch on and off protection device according to claim 1, is characterized in that: a described switch (K1), No. two switches (K2), No. three switches (K3) are all relay switches.
3. a kind of hybrid powder motor controller switch on and off protection device according to claim 1 and 2, is characterized in that:
The working parameter of described closed-center system (1) is: voltage 600 volts, and maximum charge-discharge electric power is greater than 300 kilowatts;
The working parameter of described electric machine controller (2) is: maximum voltage 1200 volts, maximum power 160 kilowatts, and electric machine controller (2) is inversion commutator machine controller.
4. a kind of hybrid powder motor controller switch on and off protection device according to claim 3, is characterized in that: the resistance of described auxiliary resistance (R) is 120 Europe.
5. a kind of hybrid powder motor controller switch on and off protection device according to claim 1 and 2, is characterized in that: described motor (3) is connected with electric machine controller (2) by motor three-phase power line (31), motor speed signal line (32), motor control signal line (33).
6. a using method for hybrid powder motor controller switch on and off protection device according to claim 1, is characterized in that: described using method comprises the following steps successively:
Instrument initial condition: switch (K1), No. two switches (K2), No. three switches (K3) all disconnect;
Power up and control: be first communicated with and control light current, closed No. two switches (K2) are to give the charging of the electric capacity (21) in electric machine controller (2) again, treat that the electric capacity (21) in electric machine controller (2) charges complete, namely when its voltage is consistent with closed-center system (1), a closed switch (K1) again, and disconnect No. two switches (K2), thus complete power up;
Lower electric process and control: first disconnect a switch (K1) and quit work to make closed-center system (1), closed No. three switches (K3) are to discharge the voltage in electric machine controller (2) and electric energy by auxiliary resistance (R) again, after treating voltage in electric machine controller (2) and electric energy release, disconnect No. three switches (K3) again, and closing control light current, thus complete lower electric process.
7. the using method of a kind of hybrid powder motor controller switch on and off protection device according to claim 6, is characterized in that: described control light current comprises the control electricity of a switch (K1), No. two switches (K2), No. three switches (K3).
8. the using method of a kind of hybrid powder motor controller switch on and off protection device according to claim 7, is characterized in that: the size of described control light current is 24 volts.
9. the using method of a kind of hybrid powder motor controller switch on and off protection device according to claim 6; it is characterized in that: described power up and control in; when charging to the electric capacity (21) in electric machine controller (2), the electric current in circuit is less than 5 amperes.
10. the using method of a kind of hybrid powder motor controller switch on and off protection device according to claim 9, is characterized in that: described electric current is less than the control of 5 amperes by adjusting the resistance realization of auxiliary resistance (R).
CN201510986030.9A 2015-12-25 2015-12-25 Power on/off protection device for hybrid power motor controller and using method of power on/off protection device Pending CN105539316A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201797355U (en) * 2010-09-20 2011-04-13 上海中科深江电动车辆有限公司 Pre-charge and discharge device of vehicle motor controller
CN203005132U (en) * 2012-12-20 2013-06-19 东莞中山大学研究院 Electric vehicle motor controller pre-charging circuit system
CN203368012U (en) * 2013-08-07 2013-12-25 湖南南车时代电动汽车股份有限公司 DC contactor combined circuit for electric automobile
JP2015517786A (en) * 2012-05-10 2015-06-22 オプシチェストボ エス オグラニチェンノイ オトヴェストヴェンノストユ “トヴァリスチェストヴォ エネルゲティチエスキケチ アイ エレケトロモビルニケチ プロエケトヴィ” Electric vehicle with on-board charging unit
CN104836267A (en) * 2014-07-28 2015-08-12 北汽福田汽车股份有限公司 Charging/discharging control circuit
CN205220563U (en) * 2015-12-25 2016-05-11 东风商用车有限公司 Hybrid machine controller leads to power protection devices

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201797355U (en) * 2010-09-20 2011-04-13 上海中科深江电动车辆有限公司 Pre-charge and discharge device of vehicle motor controller
JP2015517786A (en) * 2012-05-10 2015-06-22 オプシチェストボ エス オグラニチェンノイ オトヴェストヴェンノストユ “トヴァリスチェストヴォ エネルゲティチエスキケチ アイ エレケトロモビルニケチ プロエケトヴィ” Electric vehicle with on-board charging unit
CN203005132U (en) * 2012-12-20 2013-06-19 东莞中山大学研究院 Electric vehicle motor controller pre-charging circuit system
CN203368012U (en) * 2013-08-07 2013-12-25 湖南南车时代电动汽车股份有限公司 DC contactor combined circuit for electric automobile
CN104836267A (en) * 2014-07-28 2015-08-12 北汽福田汽车股份有限公司 Charging/discharging control circuit
CN205220563U (en) * 2015-12-25 2016-05-11 东风商用车有限公司 Hybrid machine controller leads to power protection devices

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