CN208738906U - A kind of device safely and fast discharging automobile super capacitance mesohigh electricity - Google Patents

Abstract

A kind of device safely and fast discharging automobile super capacitance mesohigh electricity of the utility model, including electric discharge main circuit, electric discharge main circuit are also connected with electric discharge rate control circuit；Effective solution conventional discharge mode discharge slow, poor safety performance the problem of.When the utility model output voltage difference is high, triode Q1, Q2 conducting, relay K3, K4 coil obtains electric, the normally opened contact of relay K3, the normally opened contact of relay K4 is closed, discharge resistance R100 ~ R103 both participates in electric discharge, when output voltage difference is lower than 180V, triode Q1 conducting, relay K3 coil obtains electric, the normally opened contact (K3-1) of relay K3 is closed, discharge resistance R100, R102 participates in electric discharge, main circuit discharge rate is controlled with this, quick (0.5) hour high pressure 400V direct current can be depressurized to 36V safe voltage using the equipment, greatly shorten maintenance time, improve maintenance safety and efficiency；And have electric discharge rate control circuit, avoid because super capacitor electric discharge it is too fast caused by temperature increase, or even open circuit consequence.

Description

A kind of device safely and fast discharging automobile super capacitance mesohigh electricity

Technical field

The utility model relates to technical field of automobile maintenance, especially a kind of safely and fast to discharge height in automobile super capacitance The device of piezoelectricity.

Background technique

As country constantly improve new-energy automobile especially hybrid power, pure electric automobile support policy, new energy The output of source automobile and social ownership are persistently promoted, the demand of the specialized maintenance tool of new-energy automobile is increasing, It is required that higher and higher.

Primary storage of the vehicle-mounted super capacitor as automobile high-voltage electricity potential energy has the characteristics that voltage is high, electric energy is strong, The professional Automobile Service electrician for needing operation with high pressure card is handled, super by opening without dedicated maintenance discharge equipment when traditional work Capacitor carries discharging function to discharge high-voltage electricity, needs to stand at unmanned 72 hours, with operating efficiency is low, is not easy to judge whether Therefore how the disadvantages of being substantially discharged improves discharging efficiency, improve production safety performance, is that current letter technology to be solved is difficult Topic.

Therefore the utility model provides a kind of new scheme to solve the problems, such as this.

Utility model content

In view of the deficienciess of the prior art, the utility model aim is to provide a kind of safely and fast release automobile super electricity Hold the device of mesohigh electricity, effective solution conventional discharge mode discharge slowly, poor safety performance the problem of.

Its technical solution solved is, including electric discharge main circuit, which is characterized in that electric discharge main circuit is also connected with discharge rate Control circuit；

The main circuit includes high-voltage capacitance C1, one end of the cathode connection direct current current divider R0 of high-voltage capacitance C1, high pressure The anode of capacitor C1 is separately connected the common end of the common end of relay K1, relay K2, the other end point of direct current current divider R0 Not Lian Jie discharge resistance R100, R101, R102, R103 upper end, the lower end of discharge resistance R100, R101 are all connected with relay The normally opened contact of K1, the lower end of discharge resistance R102, R103 are all connected with the normally opened contact of relay K2, relay K1, K2 coil Lower end be all connected with ground, the normally opened contact of the upper end connection relay K4 of relay K1 coil, the upper end of relay K2 coil connects The normally opened contact of contact relay K3, the common end of relay K3, K4 are all connected with the cathode of indicator light L1, and the anode of indicator light L1 is even The anode of 24V car battery VCC is connect, the cathode of 24V car battery VCC connects ground.

The utility model structure is simple, intelligent control, quality are slim and graceful, cost is relatively low, and applicable vehicle range is wide, when former overall height Pressure system breaks down, when system carries discharging function failure, using the equipment can quickly (0.5) hour by high pressure 400V direct current Electricity is depressurized to 36V safe voltage, greatly shortens maintenance time, improves maintenance safety and efficiency；And there is electric discharge rate control circuit, Avoid because super capacitor electric discharge it is too fast caused by temperature increase, or even open circuit consequence.

Detailed description of the invention

Fig. 1 is the main circuit catenation principle figure of the utility model.

Fig. 2 is the control circuit catenation principle figure of the utility model.

Specific embodiment

For aforementioned and other technology contents, feature and effect in relation to the utility model, following cooperation with reference to figures 1 through Fig. 2 can be clearly presented in the detailed description of embodiment.The structure content being previously mentioned in following embodiment is to say Bright book attached drawing is reference.

Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.

Embodiment one, a kind of device safely and fast discharging automobile super capacitance mesohigh electricity, including electric discharge main circuit, put Electric main circuit is also connected with electric discharge rate control circuit, quick (0.5) hour high pressure 400V direct current can be depressurized to 36V safety electricity Pressure greatly shortens maintenance time, improves maintenance safety and efficiency, and can control discharge rate, avoids because super capacitor discharged Temperature caused by fast increases, or even the consequence of open circuit；The main circuit by control circuit relay K3 normally opened contact (K3-1), after The normally opened contact (K4-1) of electric appliance K4 controls, when the normally opened contact (K3-1) of specific relay K3 is closed, relay K1 coil Must be electric, electric current flows through the normally opened contact of relay K1 closure, and discharge resistance R100, R101, direct current current divider R0 constitute circuit, put Electric energy is converted into thermal energy consumption by resistance and fallen by resistance R100, R101, when the normally opened contact (K4-1) of relay K4 is closed, is put Resistance R102, R103 also assist in electric discharge work, can greatly shorten discharge time, while indicator light L1 is lighted, and show to be in and put Electricity condition, including high-voltage capacitance C1, one end of the cathode connection direct current current divider R0 of high-voltage capacitance C1, the anode of high-voltage capacitance C1 It is separately connected the common end of relay K1, the common end of relay K2, the other end of direct current current divider R0 is separately connected electric discharge electricity The upper end of R100, R101, R102, R103 are hindered, the lower end of discharge resistance R100, R101 are all connected with the normally opened contact of relay K1, The lower end of discharge resistance R102, R103 are all connected with the normally opened contact of relay K2, and the lower end of relay K1, K2 coil is all connected with Ground, the normally opened contact of the upper end connection relay K4 of relay K1 coil, the upper end connection relay K3's of relay K2 coil Normally opened contact, the common end of relay K3, K4 are all connected with the cathode of indicator light L1, the anode connection automobile-used storage of 24V of indicator light L1 The cathode of the anode of battery VCC, 24V car battery VCC connects ground.

Embodiment two, on the basis of example 1, the control circuit pass through in model HDGC3912 intelligent battery The positive and negative electrode potential for hindering the high-voltage capacitance C1 of tester test, through operational amplifier AR1, resistance R2 ~ resistance R5 composition subtraction Circuit counting goes out voltage, this voltage enters the non-inverting input terminal of operational amplifier AR2, and (36V pacifies with inverting input terminal threshold voltage Full voltage, the bleeder circuit offer of resistance R6, resistance R7, potentiometer RP1 composition) compare, output voltage is poor, after voltage-stabiliser tube Z1 Be sent to operational amplifier AR3, diode D1, capacitor C1 composition holding circuit voltage swing is kept after, put through operation After big device AR4 voltage follower isolation, it is added to the turning circuit step by step of triode Q1, Q2 composition, specific output voltage difference is high When (be higher than 180V), triode Q1, Q2 conducting, relay K3, K4 coil obtain it is electric, the normally opened contact (K3-1) of relay K3, after The normally opened contact (K4-1) of electric appliance K4 is closed, and discharge resistance R100 ~ R103 both participates in electric discharge, when output voltage difference is lower than 180V, Triode Q1 conducting, relay K3 coil obtain electric, normally opened contact (K3-1) closure of relay K3, discharge resistance R100, R102 Electric discharge is participated in, main circuit discharge rate, including USB interface J1 are controlled with this, read model HDGC3912 intelligent battery internal resistance The pin 1 of the positive and negative electrode potential of the high-voltage capacitance C1 of tester test, USB interface J1 passes through resistance R1 connection power supply+5V, USB The pin 4 of interface J1 connects ground, and the pin 2 of USB interface J1 connects one end of resistance R2, and the other end of resistance R2 is separately connected electricity One end of R4, the inverting input terminal of operational amplifier AR1 are hindered, the pin 3 of USB interface J1 connects one end of resistance R3, resistance R3 The other end be separately connected the non-inverting input terminal of one end of ground resistance R5, operational amplifier AR1, the other end difference of resistance R4 Connect the output end of operational amplifier AR1, the non-inverting input terminal of operational amplifier AR2, the inverting input terminal of operational amplifier AR2 The adjustable end of potentiometer RP1 is connected, the left end of potentiometer RP1 is logical by the right end of resistance R7 connection power supply+48V, potentiometer RP1 Resistance R6 connection ground, the anode of the output end connection voltage-stabiliser tube Z1 of operational amplifier AR2 are crossed, the cathode of voltage-stabiliser tube Z1 connects operation The non-inverting input terminal of amplifier AR3, the inverting input terminal of operational amplifier AR3 are separately connected the upper end of capacitor C1, diode D1 Cathode, operational amplifier AR4 non-inverting input terminal, operational amplifier AR3 output end connection diode D1 anode, operation The inverting input terminal of amplifier AR4 is separately connected one end of the output end of operational amplifier AR4, resistance R8, and resistance R8's is another Hold connecting triode Q1 base stage, the emitter of triode Q1 be separately connected the cathode of voltage-stabiliser tube Z2, relay K4 coil one End, the base stage of the positive connecting triode Q2 of voltage-stabiliser tube Z2, one end of the emitter connection relay K3 coil of triode Q2, after The other end of electric appliance K3, K4 coil is all connected with ground, and the collector of triode Q1, Q2 are all connected with power supply+5V.

The utility model carry out using when, pass through model HDGC3912 intelligent battery internal resistance test device test The positive and negative electrode potential of high-voltage capacitance C1 calculates voltage through operational amplifier AR1, resistance R2 ~ resistance R5 composition subtraction circuit, This voltage enters the non-inverting input terminal of operational amplifier AR2, with inverting input terminal threshold voltage (36V safe voltage, resistance R6, The bleeder circuit of resistance R7, potentiometer RP1 composition provides) compare, output voltage is poor, is sent to operational amplifier after voltage-stabiliser tube Z1 After the holding circuit that AR3, diode D1, capacitor C1 are formed keeps voltage swing, through operational amplifier AR4 voltage follow After device isolation, it is added to the turning circuit step by step of triode Q1, Q2 composition, when specific output voltage difference high (being higher than 180V), three The conducting of pole pipe Q1, Q2, relay K3, K4 coil obtain electric, the normally opened contact of the normally opened contact (K3-1) of relay K3, relay K4 (K4-1) be closed, relay K1, K2 coil obtain it is electric, electric current flow through relay K1, K2 closure normally opened contact, discharge resistance R100, R101, R102, R103, direct current current divider R0 constitute circuit, discharge resistance R100, R101, R102, R103, electric energy by Resistance is converted into thermal energy consumption and falls, and can greatly shorten discharge time, when output voltage difference is lower than 180V, triode Q1 conducting, after Electric appliance K3 coil obtains electric, the normally opened contact (K3-1) of relay K3 closure, and relay K1 coil obtains electric, and electric current flows through relay K1 The normally opened contact of closure, discharge resistance R100, R101, direct current current divider R0 constitute circuit, and discharge resistance R100, R101 is electric energy Be converted into thermal energy consumption by resistance to fall, main circuit discharge rate controlled with this, avoid because super capacitor electric discharge it is too fast caused by Temperature increases, or even the consequence of open circuit.

The above is to combine specific embodiment further detailed description of the utility model, and it cannot be said that originally Utility model specific implementation is limited only to this；Belonging to the utility model and for those skilled in the technology concerned, Under the premise of technical solutions of the utility model thinking, made expansion and the replacement of operating method, data should all be fallen in Within scope of protection of the utility model.

Claims (2)

1. a kind of device for safely and fast discharging automobile super capacitance mesohigh electricity, including electric discharge main circuit, which is characterized in that put Electric main circuit is also connected with electric discharge rate control circuit；

The main circuit includes high-voltage capacitance C1, one end of the cathode connection direct current current divider R0 of high-voltage capacitance C1, high-voltage capacitance The anode of C1 is separately connected the common end of the common end of relay K1, relay K2, and the other end of direct current current divider R0 connects respectively The upper end of discharge resistance R100, R101, R102, R103 are connect, the lower end of discharge resistance R100, R101 are all connected with relay K1's Normally opened contact, the lower end of discharge resistance R102, R103 are all connected with the normally opened contact of relay K2, under relay K1, K2 coil End be all connected with ground, relay K1 coil upper end connection relay K4 normally opened contact, relay K2 coil upper end connection after The normally opened contact of electric appliance K3, the common end of relay K3, K4 are all connected with the cathode of indicator light L1, the anode connection of indicator light L1 The cathode of the anode of 24V car battery VCC, 24V car battery VCC connects ground.

2. a kind of device for safely and fast discharging automobile super capacitance mesohigh electricity according to claim 1, feature exist In the electric discharge rate control circuit includes USB interface J1, reads the test of model HDGC3912 intelligent battery internal resistance test device The positive and negative electrode potential of high-voltage capacitance C1, the pin 1 of USB interface J1 pass through the pin 4 of resistance R1 connection power supply+5V, USB interface J1 Connection ground, the pin 2 of USB interface J1 connect one end of resistance R2, and the other end of resistance R2 is separately connected one end of resistance R4, fortune The inverting input terminal of amplifier AR1 is calculated, the pin 3 of USB interface J1 connects one end of resistance R3, and the other end of resistance R3 connects respectively One end of ground resistance R5, the non-inverting input terminal of operational amplifier AR1 are connect, the other end of resistance R4 is separately connected operational amplifier The inverting input terminal of the non-inverting input terminal of the output end of AR1, operational amplifier AR2, operational amplifier AR2 connects potentiometer RP1 Adjustable end, the left end of potentiometer RP1 is connected by the right end of resistance R7 connection power supply+48V, potentiometer RP1 by resistance R6 Ground, the anode of the output end connection voltage-stabiliser tube Z1 of operational amplifier AR2, the cathode connection operational amplifier AR3's of voltage-stabiliser tube Z1 Non-inverting input terminal, the inverting input terminal of operational amplifier AR3 are separately connected the upper end of capacitor C1, the cathode of diode D1, operation The non-inverting input terminal of amplifier AR4, the anode of the output end connection diode D1 of operational amplifier AR3, operational amplifier AR4's Inverting input terminal is separately connected one end of the output end of operational amplifier AR4, resistance R8, the other end connecting triode of resistance R8 The base stage of Q1, the emitter of triode Q1 are separately connected one end of the cathode of voltage-stabiliser tube Z2, relay K4 coil, voltage-stabiliser tube Z2's The base stage of positive connecting triode Q2, one end of the emitter connection relay K3 coil of triode Q2, relay K3, K4 coil The other end be all connected with ground, the collector of triode Q1, Q2 is all connected with power supply+5V.