CN206178103U - Energy storage system contactor adhesion detection device - Google Patents

Energy storage system contactor adhesion detection device Download PDF

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CN206178103U
CN206178103U CN201621252604.6U CN201621252604U CN206178103U CN 206178103 U CN206178103 U CN 206178103U CN 201621252604 U CN201621252604 U CN 201621252604U CN 206178103 U CN206178103 U CN 206178103U
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detection
output
catalyst
module
resistance
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徐文赋
任素云
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Huizhou Blueway New Energy Technology Co Ltd
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Huizhou Blueway New Energy Technology Co Ltd
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Abstract

The utility model discloses an energy storage system contactor adhesion detection device includes: contactor, detection executable module, detection output module and detection control center, the contactor is connected with the test input end that detects the executable module, the signal output part that detects the executable module with it connects to detect output module's test input end, it is connected with the control output that detects output module to detect the control input end of executable module, the detection output that detects output module with detect control center's test input end and connect, detect output module's control input end and be connected with the control output that detects control center. The utility model discloses be equipped with and detect the executable module and detect output module, detect the on -state that the executable module can detect the contactor to send the testing result for battery management system through detecting output module, thereby can directly judge the on -state of the contact point of contactor, judge that the contactor adhesion is simply clear and definite, promoted the reliability that detects.

Description

A kind of energy-storage system catalyst adhesion detection means
Technical field
This utility model is related to the catalyst detection field of energy-storage system, and more particularly to a kind of energy-storage system catalyst glues Connect detection means.
Background technology
In energy-storage system, when set of cells carries out occurring in discharge and recharge protection or exception, catalyst is needed to cut off discharge and recharge Loop, to protect when set of cells and energy-storage system, protection or abnormal releasing, needs catalyst to close charging and discharging circuit.Connect Tentaculum belongs to mechanical devices, and in the case where charging and discharging currents are larger, cut-out or closure catalyst are susceptible to catalyst and touch Point sintering adhesion problem, catalyst adhesion failure will result directly in energy-storage system cannot normal cutoff charging and discharging circuit, finally Energy-storage system set of cells is caused to be damaged.So the adhesion detection of catalyst is particularly important in energy-storage system.
However, at present there is shortcoming in the catalyst adhesion detection technique of energy-storage system, for example:
Catalyst whether adhesion is judged by detecting the state of catalyst auxiliary contact.Part contact utensil has tactile with main There are the auxiliary contact of direct machinery association in point synchronization action, at the beginning of catalyst use, detection auxiliary contact judge main contacts Whether adhesion is largely effective, but with catalyst continue use, abrasion, the consume in contact face of mechanical devices etc. because Element, machinery association degree between auxiliary contact and main contacts declines, by detecting that auxiliary contact judge main contacts whether adhesion Reliability also declines therewith.
By detecting that the electric potential difference at catalyst loop of power circuit two ends judges catalyst whether adhesion.Energy-storage system catalyst master The termination set of cells of contact one is total just or always to bear section, and other end connects total just or always negative terminal of load/charger, works as catalyst During closure, the electric potential difference at catalyst main contacts two ends is equal to zero, when catalyst disconnects, the presence one at catalyst main contacts two ends Fixed electric potential difference, then then can determine whether catalyst whether adhesion by this electric potential difference.This kind of method there is a problem of certain, and detection connects Tentaculum power line two ends electric potential difference, needs the reference ground and two-way voltage detecting circuit for increasing detection electric potential difference, and reference ground It is high pressure between catalyst power line, the detection of electric potential difference is related to high-voltage test circuit, increased catalyst adhesion inspection The complexity and hardware cost of survey.
Utility model content
The purpose of this utility model is to overcome weak point of the prior art, there is provided a kind of energy-storage system catalyst adhesion Detection means.
The purpose of this utility model is achieved through the following technical solutions:
A kind of energy-storage system catalyst adhesion detection means, including:Catalyst, detection performing module, detection output module And detection control centre;
The catalyst is connected with the detection input of the detection performing module, and the signal of the detection performing module is defeated Go out end with it is described detection output module detection input be connected, it is described detect performing module control signal and the detection The control output end connection of output module;The detection output of the detection output module and the detection for detecting control centre Input connects, and the control signal of the detection output module is connected with the control output end of the detection control centre;
When the detection performing module detects the catalyst to be disconnected, output contactor cut-off signal gives the detection Output module, the detection output of the detection output module exports low level to the detection control centre;When the detection When performing module detects the catalyst closure, output contactor closure signal gives the detection output module, the detection The detection output of output module exports high level to the detection control centre.
Used as further preferred scheme, the detection performing module includes DCDC isolated locations and isolates with the DCDC The photoelectric coupling unit for promoting inhibition of unit series connection;
The control signal of the DCDC isolated locations is connected with the control output end of the detection output module, the light The signal output part of electric coupling unit is connected with the detection input of the detection output module.
As further preferred scheme, cathode output end and the photoelectric coupling unit for promoting inhibition of the DCDC isolated locations The anode connection of light emitting diode, the second port of the negative electrode of the light emitting diode of the photoelectric coupling unit for promoting inhibition and the catalyst Connection, the first port of the catalyst is connected with the negative pole output of the DCDC isolated locations.
Used as further preferred scheme, the detection output module includes enabling control unit, and the enable control is single The input that enables of unit is connected with the control output end of the detection control centre, the enable outfan for enabling control unit It is connected with the enable input of the DCDC isolated locations.
Used as further preferred scheme, the detection output module also includes State- output unit, the State- output The detection input of unit is connected with the signal output part of the photoelectric coupling unit for promoting inhibition, the outfan of the State- output unit with The detection input for surveying control centre.
Used as further preferred scheme, the enable control unit includes the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the second power supply Power supply, the second filter capacitor, the 6th resistance, the 7th resistance and the 8th resistance;
The G poles of second metal-oxide-semiconductor are connected with the output control terminal of the survey control centre, the resistance of D poles the 7th and institute The G poles connection of the first metal-oxide-semiconductor is stated, S poles are connected respectively with the negative input of the DCDC isolated locations and ground, D poles and its S pole Between bridge the 8th resistance;The D poles of first metal-oxide-semiconductor are connected with the electrode input end of the DCDC isolated locations;Described The S poles of one metal-oxide-semiconductor are connected respectively with one end of second power supply and second electric capacity, second electric capacity it is another End ground connection, bridges the 6th resistance between the S poles of first metal-oxide-semiconductor and its G pole.
Used as further preferred scheme, the State- output unit includes the 5th resistance, the 3rd filter capacitor and first Power supply;
5th resistance described in the colelctor electrode Jing of the phototriode of the photoelectric coupling unit for promoting inhibition and first power supply Connection, the colelctor electrode of the phototriode of photoelectric coupling unit for promoting inhibition test side also respectively with the detection control centre and institute One end connection of the 3rd filter capacitor is stated, the other end of the 3rd filter capacitor is photosensitive with the photoelectric coupling unit for promoting inhibition respectively The emitter stage of audion and ground connection.
Used as further preferred scheme, the detection performing module also includes high-voltage pulse absorptive unit, the high pressure The first input end of pulse absorptive unit is connected with the first port of the catalyst, the second input and the of the catalyst Two-port netwerk connects;First outfan of the high-voltage pulse absorptive unit connects with the cathode output end of the DCDC isolated locations Connect, the second outfan is connected with the negative electrode of the light emitting diode of the photoelectric coupling unit for promoting inhibition.
Used as further preferred scheme, the high-voltage pulse absorptive unit includes first resistor, second resistance, the 3rd electric Resistance, the 4th resistance, the first filter capacitor and two-way TVS pipe;
The negative electrode of the light emitting diode is sequentially connected in series after the second resistance and the 4th resistance and the catalyst Second port connection, the first port of the catalyst be sequentially connected in series after the 3rd resistor and the first resistor with it is described The cathode output end connection of DCDC isolated locations;One end of first filter capacitor is defeated with the negative pole of the DCDC isolated locations Go out end connection, the other end is connected with the negative electrode of the light emitting diode;It is electric with the 3rd that the two-way TVS pipe is connected across first resistor Between the connecting node and second resistance of resistance and the connecting node of the 4th resistance.
Used as further preferred scheme, the first port of the catalyst is also connected with the first power line, the contact The second port of device is also connected with the second power line;The control end of the catalyst is also connected with detection control centre.
This utility model compared to prior art advantage and have the beneficial effect that:
1st, this utility model discloses a kind of energy-storage system catalyst adhesion detection means, is provided with detection performing module and detection Output module, detects that performing module can detect the conducting state of catalyst, and testing result is sent out by detection output module Detection control centre is given, such that it is able to directly judge the conducting state of the contact point of catalyst, catalyst adhesion letter is judged It is single clear and definite, improve the reliability of detection.
2nd, when catalyst state-detection is not needed, detect that control centre can be to the control signal of detection output module Silence signal is accessed, detection output module control detection performing module does not work, without the state for detecting catalyst, so Detection performing module can be made not produce power consumption, save the resource of energy-storage system.
3rd, this utility model design main devices are DCDC isolated locations and photoelectric coupling unit for promoting inhibition, and this two devices will be contacted Device measure loop is completely isolated with external control circuit, independent into a module, it is not necessary to be connect using high-voltage detecting circuit Tentaculum power main contacts two ends electric potential difference detection, so as to simplify detection circuit complexity, reduce further hardware into This.
4th, this utility model is additionally provided with high-voltage pulse absorptive unit, can produce high-voltage arc discharge in disconnection moment in catalyst and show As when, the high-voltage pulse of arrival DCDC insulating power supplies module U1 and photoelectrical coupler U2 can be made by high-voltage pulse absorptive unit Voltage has been eliminated, so as to protect DCDC insulating power supplies module U1 and photoelectrical coupler U2 not to be damaged by impacting with high pressure well It is bad.
Description of the drawings
Fig. 1 is a kind of theory diagram of energy-storage system catalyst adhesion detection means of this utility model;
Fig. 2 is the circuit theory diagrams of the energy-storage system catalyst adhesion detection means of Fig. 1.
Specific embodiment
For the ease of understanding this utility model, this utility model is more fully retouched below with reference to relevant drawings State.Better embodiment of the present utility model is given in accompanying drawing.But, this utility model can come in many different forms Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly It is more thorough comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ", For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technology used herein and scientific terminology are led with technology of the present utility model is belonged to The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein The purpose of description specific embodiment, it is not intended that in limiting this utility model.Term as used herein " and/or " bag Include the arbitrary and all of combination of one or more related Listed Items.
Embodiment one
Fig. 1 is referred to, a kind of energy-storage system catalyst adhesion detection means 10 includes:Catalyst 1, detection performing module 2, Detection output module 3 and detection control centre 4.Detection performing module 2 is used to detecting the break-make of catalyst 1, and by detection signal Detection output module 3 is transferred to, while also receiving the control signal for carrying out Autonomous test output module 3, detection output module 3 is received When carrying out the detection signal of Autonomous test performing module 2, detection signal is exported and gives detection control centre 4, detection control centre 4 can To know the on-state of catalyst 1 or closed mode.And it is defeated to detection to detect that control centre 4 can export closing detection signal Go out module 3, then detect that output module 3 controls the work of detection performing module 2 or do not work again, such that it is able to reduce whole dress The power consumption put.
Catalyst 1 is connected with the detection input of detection performing module 2, detects signal output part and the inspection of performing module 2 The detection input connection of output module 3 is surveyed, detects that the control signal of performing module 2 is defeated with the control of detection output module 3 Go out end connection;The detection output of detection output module 3 is connected with the detection input of detection control centre 4, detection output mould The control signal of block 3 is connected with the control output end of detection control centre 4.
When detecting that performing module 2 detects the disconnection of catalyst 1, the cut-off signal of output contactor 1 gives detection output module 3, detect that the detection output of output module 3 exports low level and gives detection control centre 4;Connect when detection performing module 2 is detected When tentaculum 1 is closed, the closure signal of output contactor 1 gives detection output module 3, detects the detection output output of output module 3 High level gives detection control centre 4.
When the on off operating mode of catalyst 1 need not be detected, detect that control centre 4 is defeated to the control of detection output module 3 Enter to terminate into silence signal, detection output module 3 is received after silence signal, stop being supplied to detection performing module 2 Electricity, detection performing module 2 does not work, it is impossible to detect the state of catalyst, it is possible to make detection performing module 2 not produce work( Consumption.
It is noted that detection performing module 2 includes DCDC isolated locations 21 and the light connected with DCDC isolated locations 21 Electric coupling unit 22;The cathode output end of DCDC isolated locations 21 connects with the anode of the light emitting diode of photoelectric coupling unit for promoting inhibition 22 Connect, the negative electrode of the light emitting diode of photoelectric coupling unit for promoting inhibition 22 is connected with second port A2 of catalyst 1, the first end of catalyst 1 Mouth A1 is connected with the negative pole output of DCDC isolated locations 21.The control signal of DCDC isolated locations 21 and detection output module 3 Control output end connection, the signal output part of photoelectric coupling unit for promoting inhibition 22 is connected with the detection input for detecting output module 3.
Because DCDC isolated locations U1 inputs are isolated with output, and the input of photoelectric coupling unit for promoting inhibition U2 is isolated with output, So catalyst state-detection loop is actually also a module being entirely isolated, can independently become detection and perform mould Block, and detect that output module can be positioned in the detection control centre of energy-storage system as another module, can be according to reality The situation of border catalyst, will detect that performing module and detection output module are coupled together with wire harness.
First port A1 of catalyst 1 is also connected with the first power line P1, second port A2 of catalyst 1 also with the second work( Rate line P2 connects;The control end of catalyst 1 is also connected with detection control centre.
Detection output module 3 also includes State- output unit 32, detection input and the light thermocouple of State- output unit 32 Close the signal output part connection of unit 22, the outfan of State- output unit 32 and the detection input of detection control centre 4.
Specifically, State- output unit 32 includes the 5th resistance R5, the 3rd filter capacitor C3 and the first power supply VCC1. The resistance R5 of colelctor electrode Jing the 5th of the phototriode of photoelectric coupling unit for promoting inhibition 22 are connected with the first power supply VCC1, photoelectric coupling The colelctor electrode of the phototriode of unit 22 also respectively with detection control centre 4 test side and the 3rd filter capacitor C3 one end Connection, the other end of the 3rd filter capacitor C3 is connected respectively with the emitter stage and ground of the phototriode of photoelectric coupling unit for promoting inhibition 22.
It is noted that detection output module 3 includes enabling control unit 31, the enable input of control unit 31 is enabled It is connected with the control output end of detection control centre 4, enable control unit 31 enables outfan with DCDC isolated locations 21 Enable input connection.
Specifically, Fig. 2 is referred to, enabling control unit 31 includes the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, the second power supply electricity Source VCC2, the second filter capacitor C2, the 6th resistance R6, the 7th resistance R7 and the 8th resistance R8.The G poles of the second metal-oxide-semiconductor Q2 and inspection Survey the output control terminal connection of control centre 4, the resistance R7 of D poles the 7th is connected with the G poles of the first metal-oxide-semiconductor Q1, S poles respectively with The negative input of DCDC isolated locations 21 and ground connection, bridge the 8th resistance between D poles and its S pole;The D of the first metal-oxide-semiconductor Q1 Pole is connected with the electrode input end of DCDC isolated locations 21;The S poles of the first metal-oxide-semiconductor Q1 respectively with the second power supply VCC2 and One end connection of two electric capacity C2, the other end ground connection of the second electric capacity C2, bridges the 6th between the S poles of the first metal-oxide-semiconductor Q1 and its G pole Resistance R6.
Operation principle:
When catalyst disconnects, catalyst first port A1 is off-state with second port A2, then DCDC isolated locations The positive pole output current of U1 cannot return to the negative pole output of DCDC isolated location U1, and current loop is not formed.Because of photoelectric coupling list The light emitting diode no current of first U2 flows through, and the phototriode of photoelectric coupling unit for promoting inhibition U2 is in nonconducting state, catalyst shape State output port is output as high level by pull-up resistor R5 then VCC1.
When catalyst is closed, catalyst first port A1 is conducting state with second port A2, then DCDC isolated locations The positive pole output current of U1 returns to the negative pole output of DCDC isolated location U1, electricity via the internal diode of photoelectric coupling unit for promoting inhibition U2 Flow back to road to be formed.Because the internal diode of photoelectric coupling unit for promoting inhibition U2 flows through electric current, the pole of interior photoinduction three of photoelectric coupling unit for promoting inhibition U2 Pipe is in the conduction state, and catalyst State- output port is output as low level.
So, catalyst off-state or closure state can be by the high level or low of catalyst state-detection output port Electrical level judging.
When energy-storage system need not carry out catalyst state-detection, the battery management system of energy-storage system is to catalyst shape State detection power supply enable port output low level, the Vgs of the second metal-oxide-semiconductor Q2 is equal to 0V, and the second metal-oxide-semiconductor Q2 is not turned on, then and first The Vgs of metal-oxide-semiconductor Q1 is equal to 0V, and the first metal-oxide-semiconductor Q1 is not turned on, and DCDC isolated location U1 non-transformers are powered, catalyst measure loop Electric current is not produced, then catalyst state detection circuit does not produce power consumption.
When energy-storage system needs to carry out catalyst state-detection, the battery management system of energy-storage system is to catalyst state Detection power supply enable port output high level, the Vgs of the second metal-oxide-semiconductor Q2 is more than cut-in voltage, and the second metal-oxide-semiconductor Q2 is turned on, and the 6th Resistance R6 and the 7th resistance R7 carry out partial pressure to the second power supply VCC2, then the Vgs of the first metal-oxide-semiconductor Q1 is more than cut-in voltage, First metal-oxide-semiconductor Q1 is turned on, and DCDC isolated location U1 have power supply to power, and catalyst measure loop produces electric current and starts working.
Embodiment two
Fig. 1 and Fig. 2 is seen also, except following technical characteristics, the technical characteristic of the present embodiment is same as Example 1. Detection performing module 2 also includes high-voltage pulse absorptive unit 23, first input end and the catalyst 1 of high-voltage pulse absorptive unit 23 The connection of first port A1, the second input is connected with second port A2 of catalyst 1;The first of high-voltage pulse absorptive unit 23 Outfan is connected with the cathode output end of DCDC isolated locations 21, the light emitting diode of the second outfan and photoelectric coupling unit for promoting inhibition 22 Negative electrode connection.
Specifically, high-voltage pulse absorptive unit 23 includes first resistor R1, second resistance R2,3rd resistor R3, the 4th electric Resistance R4, the first filter capacitor C1 and two-way TVS pipe D1;The negative electrode of light emitting diode is sequentially connected in series second resistance R2 and the 4th resistance R4, the second port A2 connection of catalyst 1 after the 4th resistance R4, first port A1 of catalyst 1 is sequentially connected in series 3rd resistor R3 It is connected with the cathode output end of DCDC isolated locations 21 with after first resistor R1;One end of first filter capacitor C1 isolates with DCDC The cathode output end connection of unit 21, the other end is connected with the negative electrode of the light emitting diode;The two-way TVS pipe is connected across Between the connecting node of the connecting node and second resistance R2 and the 4th resistance R4 of one resistance R1 and 3rd resistor R3.
Operation principle:First resistor R1 in figure, second resistance R2,3rd resistor R3, the 4th resistance R4, two-way TVS pipe D1, First electric capacity C1 composition high-voltage pulses absorptive unit 23.Catalyst disconnects moment generation high-voltage arc discharge phenomenon, catalyst first Port A1 first passes through 3rd resistor R3, the 4th resistance R4 current limlitings with the high-voltage pulse of generation in second port A2, then by two-way TVS Pipe D1 carries out pressure limiting, and again passing by first resistor R1, second resistance R2 carries out current limliting, is finally carried out further by the first electric capacity C1 Filtering, the high-voltage pulse for reaching DCDC isolated locations U1 and photoelectric coupling unit for promoting inhibition U2 has been eliminated, so as to protect well Shield DCDC isolated locations U1 and photoelectric coupling unit for promoting inhibition U2 is not damaged by impacting with high pressure.
This utility model is a kind of energy-storage system catalyst adhesion detection means, viscous mainly for catalyst in energy-storage system Even detect, particular for using MCU as system control unit battery management system.This utility model mainly uses isolator Part constitutes catalyst detection module, and direct on off operating mode detection is carried out to catalyst main contacts, while catalyst detection performs mould Arcing high pressure absorptive unit is added in block, damage of the high-voltage pulse to DCDC isolated locations and photoelectric coupling unit for promoting inhibition is prevented.Detection Output module is connected with battery management system partitioned signal, when needing to detect catalyst main contacts state, enables on and off switch, makes inspection Survey performing module to power, detection is finished to turn off and detects that performing module is powered, and reduces power consumption, and detection performing module and detection are exported Physical location situation between module according to catalyst is connected by wire harness, convenient to install.
Embodiment of above only expresses several embodiments of the present utility model, and its description is more concrete and detailed, but Therefore the restriction to this utility model the scope of the claims can not be interpreted as.It should be pointed out that for the common skill of this area For art personnel, without departing from the concept of the premise utility, some deformations and improvement can also be made, these are belonged to Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.

Claims (10)

1. a kind of energy-storage system catalyst adhesion detection means, it is characterised in that include:Catalyst, detection performing module, detection Output module and detection control centre;
The catalyst is connected with the detection input of the detection performing module, the signal output part of the detection performing module It is connected with the detection input of the detection output module, the control signal of the detection performing module and the detection are exported The control output end connection of module;The detection output of the detection output module is input into the detection of the detection control centre End connection, the control signal of the detection output module is connected with the control output end of the detection control centre;
When the detection performing module detects the catalyst to be disconnected, output contactor cut-off signal is to the detection output Module, the detection output of the detection output module exports low level to the detection control centre;When the detection is performed When module detects the catalyst closure, output contactor closure signal gives the detection output module, the detection output The detection output of module exports high level to the detection control centre.
2. energy-storage system catalyst adhesion detection means according to claim 1, it is characterised in that the detection performs mould Block includes DCDC isolated locations and the photoelectric coupling unit for promoting inhibition connected with the DCDC isolated locations;
The control signal of the DCDC isolated locations is connected with the control output end of the detection output module, the smooth thermocouple The signal output part for closing unit is connected with the detection input of the detection output module.
3. energy-storage system catalyst adhesion detection means according to claim 2, it is characterised in that the DCDC isolation is single Unit cathode output end be connected with the anode of the light emitting diode of the photoelectric coupling unit for promoting inhibition, the photoelectric coupling unit for promoting inhibition light The negative electrode of diode is connected with the second port of the catalyst, the first port of the catalyst and the DCDC isolated locations Negative pole output connection.
4. energy-storage system catalyst adhesion detection means according to claim 3, it is characterised in that the detection exports mould Block includes enabling control unit, the control output end for enabling input and the detection control centre of the enable control unit Connection, the outfan that enables for enabling control unit is connected with the enable input of the DCDC isolated locations.
5. energy-storage system catalyst adhesion detection means according to claim 4, it is characterised in that the detection exports mould Block also includes State- output unit, the detection input of the State- output unit and the signal output of the photoelectric coupling unit for promoting inhibition End connection, the outfan of the State- output unit and the detection input for surveying control centre.
6. energy-storage system catalyst adhesion detection means according to claim 4, it is characterised in that the enable control is single Unit includes that the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the second power supply, the second filter capacitor, the 6th resistance, the 7th resistance and the 8th are electric Resistance;
The G poles of second metal-oxide-semiconductor are connected with the output control terminal of the survey control centre, the resistance of D poles the 7th and described the The G poles connection of one metal-oxide-semiconductor, S poles are connected respectively with the negative input and ground of the DCDC isolated locations, between D poles and its S pole Bridge the 8th resistance;The D poles of first metal-oxide-semiconductor are connected with the electrode input end of the DCDC isolated locations;First MOS The S poles of pipe are connected respectively with one end of second power supply and second electric capacity, another termination of second electric capacity Ground, bridges the 6th resistance between the S poles of first metal-oxide-semiconductor and its G pole.
7. energy-storage system catalyst adhesion detection means according to claim 5, it is characterised in that the State- output list Unit includes the 5th resistance, the 3rd filter capacitor and the first power supply;
5th resistance described in the colelctor electrode Jing of the phototriode of the photoelectric coupling unit for promoting inhibition is connected with first power supply, The colelctor electrode of the phototriode of the photoelectric coupling unit for promoting inhibition also respectively with the test side and described the of the detection control centre One end connection of three filter capacitors, the other end of the 3rd filter capacitor respectively with photosensitive three pole of the photoelectric coupling unit for promoting inhibition The emitter stage of pipe and ground connection.
8. energy-storage system catalyst adhesion detection means according to claim 3, it is characterised in that the detection performs mould Block also includes high-voltage pulse absorptive unit, the first input end of the high-voltage pulse absorptive unit and the first end of the catalyst Mouth connection, the second input is connected with the second port of the catalyst;First outfan of the high-voltage pulse absorptive unit It is connected with the cathode output end of the DCDC isolated locations, the second outfan and the light emitting diode of the photoelectric coupling unit for promoting inhibition Negative electrode connects.
9. energy-storage system catalyst adhesion detection means according to claim 8, it is characterised in that the high-tension pulse suction Receiving unit includes first resistor, second resistance, 3rd resistor, the 4th resistance, the first filter capacitor and two-way TVS pipe;
The negative electrode of the light emitting diode is sequentially connected in series after the second resistance and the 4th resistance with the catalyst Two-port netwerk connects, and the first port of the catalyst is sequentially connected in series after the 3rd resistor and the first resistor and the DCDC The cathode output end connection of isolated location;The cathode output end of one end of first filter capacitor and the DCDC isolated locations Connection, the other end is connected with the negative electrode of the light emitting diode;The two-way TVS pipe is connected across first resistor with 3rd resistor Between the connecting node of connecting node and second resistance and the 4th resistance.
10. energy-storage system catalyst adhesion detection means according to claim 1, it is characterised in that the catalyst First port is also connected with the first power line, and the second port of the catalyst is also connected with the second power line;The catalyst Control end also with detection control centre be connected.
CN201621252604.6U 2016-11-16 2016-11-16 Energy storage system contactor adhesion detection device Active CN206178103U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109254244A (en) * 2018-10-10 2019-01-22 中国核动力研究设计院 A kind of diagnostic system of relay contact failure
CN109596940A (en) * 2018-12-29 2019-04-09 蜂巢能源科技有限公司 The detection device of power battery charging contacts of contactor adhesion, vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109254244A (en) * 2018-10-10 2019-01-22 中国核动力研究设计院 A kind of diagnostic system of relay contact failure
CN109596940A (en) * 2018-12-29 2019-04-09 蜂巢能源科技有限公司 The detection device of power battery charging contacts of contactor adhesion, vehicle

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