CN107317299A - Protection equipment for high voltage power supply - Google Patents
Protection equipment for high voltage power supply Download PDFInfo
- Publication number
- CN107317299A CN107317299A CN201710273028.6A CN201710273028A CN107317299A CN 107317299 A CN107317299 A CN 107317299A CN 201710273028 A CN201710273028 A CN 201710273028A CN 107317299 A CN107317299 A CN 107317299A
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- China
- Prior art keywords
- protection equipment
- bus
- bar
- terminals
- pyrotechnic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for dc applications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
- H01H85/08—Fusible members characterised by the shape or form of the fusible member
- H01H85/10—Fusible members characterised by the shape or form of the fusible member with constriction for localised fusing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Protection Of Static Devices (AREA)
- Air Bags (AREA)
Abstract
Invention proposes a kind of protection equipment (100) of the high voltage power supply (104) for motor vehicle (106), carry：Bus-bar (108), the bus-bar (108) is with the resistance (R) between its first terminals (110) and the second terminals (112)；Control device (116), the control device is formed as by using the voltage drop (U on resistance (R)PT) with control signal (UZ) control pyrotechnic protector (102)；With pass through voltage drop (UPT) power supply is used for the electric supply installation (118) of pyrotechnic protector (102) and control device (116).
Description
Technical field
The present invention relates to the protection equipment of the high voltage power supply for motor vehicle.
Background technology
Especially, electric vehicle and motor vehicle driven by mixed power have the battery system with high system voltage and high storage density
System, so as to which required driving power can be provided.In accident and during other failures, thus system and the car of corresponding electric energy can be distributed
Carrying circuit system causes the risk for automotive occupant and fire-fighting and rescue personnel, because this system may cause high direct current
Press the risk with short circuit and therefore cause fire risk, or due to electric shock dangerous caused by exposed current-carrying part.Therefore, exist
In this vehicle use protector, relay or so-called contactor, with the case of failure or other technical problem by electricity
Cell system reliably disconnects from vehicle electronic circuit system.Here, switched using fuse and pyrotechnic etc..Fuse is in short circuit
Electric current correspondingly protected electric conductor will disconnect after a certain time when being higher than threshold value.Described pyrotechnic switch can be by
Central control unit disconnects the electric conductor so protected with for example being coupled with the triggering of air bag.
Thus, for example being described in DE102013209835A1 for irreversibly interrupting battery mould in accident conditions
The tripper (pyrotechnic switch) being conductively connected between block.Tripper can be configured to pyrotechnic tripper.Breaking member
The triggering of part can be carried out by suitable control device, by battery control device or air-bag control device.The confession of control device
Electricity can be provided by automobile batteries and addedly or alternatively by the energy storing device in control device, such as by closing
Suitable capacitor is provided.
DE102011014343A1 discloses the safeties of the power supply for motor vehicle, and the safeties, which are carried, to be had
The conductor element of predetermined open position and the pyrotechnic safety element with gas-forming agent, the safety element will in triggering
The predetermined open position of conductor element disconnects.The control device for being set to receive and assessing input signal is true by means of input signal
It is fixed whether to trigger gas-forming agent.Control device can be arranged in same housing with pyrotechnic safety element.Input signal is from outer
Part device is for example from for detecting that the sensor of accident is sent to control device.The shortcoming of this technical scheme is in low-tension supply event
During barrier, safeties no longer work.
The shortcoming of these technical schemes illustrated is completely independent to work, for example in vehicle electronic circuit system not
Power again and when battery is not yet disconnected in all poles.
The content of the invention
The protection equipment technical problem to be solved of the application is to eliminate lacking for known prior art at least in part
Point, and especially can independently be used with auxiliary or electric power system.
Techniques discussed above problem is solved by the object of independent claims.The present invention advantageous embodiment by from
Category claim, described below and accompanying drawing are obtained.
According to aspects of the present invention, for motor vehicle high voltage power supply protection equipment include bus-bar, control device with
And electric supply installation.Bus-bar also is understood as a part for bus-bar.Bus-bar has the first terminals and the second terminals, its
In, resistance between the two terminals is predefined as resistance value.Control device is configured to control or triggers pyrotechnic guarantor
Dangerous device.Therefore, providing corresponding control signal.Herein by using the ohmically electricity between the two terminals of bus-bar
Pressure drop produces control signal.Electric supply installation is reduced to cigarette by using the ohmically voltage between the two terminals of bus-bar
Fiery formula protector and control device supply is with electric energy.
Bus-bar can be regarded as the bonding jumper for conducting electric current and voltage.Bus-bar can be for example substantially by copper or aluminum
Into.The principle of this energy harvesting is that bus-bar (pre-determined) ohmically voltage drop is used in overcurrent situations.When
When flowing through the short circuit current flow more than 1000 amperes in this case, relatively small transition resistance is enough to produce foot between terminals
Enough big voltage drops.
Pyrotechnic protector can be regarded as pyrotechnic switch, the fusing of pyrotechnic safety element, tripper, so-called pyrotechnics
Device or pyrotechnics protector.Such pyrotechnic protector includes gas-forming agent, the gas-forming agent by means of tripper or
Predetermined open position is configured to disconnect bus-bar in activation.Gas-forming agent can be example as used in air bag
Ignitron.Pyrotechnic protector as explained above is required in the case where electric current is more than 2000 amperes.
Also advantageously electric supply installation has voltage changer.Voltage changer can be embodied as in one embodiment herein
By means of the divider of two or more resistance.In the preferred form of implementation of replacement, voltage changer is formed as Buck-
The buck/boost converter of Boost, i.e. inverting converter, anti exciting converter or cascade.Voltage changer can have herein
It is galvanically isolated.Therefore, the amplitude of output voltage can be advantageously below and more than the amplitude of input voltage.
In addition, voltage changer includes voltage regulator.Advantageously, therefore control device can be powered with constant voltage.
This, it is necessary to constructively influence the margin of tolerance of the fluctuation of voltage.Especially, when the load connected by bus-bar anaplasia at any time
During change, by voltage regulator control device can be protected not to be subjected to caused by voltage too high caused by the voltage drop of change
Interference.
When control device can receive control signal by control interface from external trigger electronic device, then control device can
Additionally there is control letter in addition to the triggering of the ohmically voltage drop between the two terminals based on bus-bar is determined
Number when pyrotechnic controller is lighted a fire, and therefore bus-bar is interrupted.External trigger electronic device can be regarded as vehicle herein
Control device, such as air spring control.Therefore, pyrotechnic protector can also be triggered for example in collision situation, short to prevent
The risk on road and the therefore risk of caused fire, or due to electric shock dangerous caused by exposed current-carrying part.Optionally, outside
Triggering electronic device in portion's can also be integrated in control device in the form of the sensor of the evaluation electronics arranged with correspondence
In.
In addition, control device can have the energy accumulator that can be charged by electric supply installation.Energy accumulator can be described as energy
Measure buffer.Here, energy accumulator can be for example one or more capacitors, super capacitor or battery.Deposited by energy
Reservoir can continue as electronic device i.e. control device and power.Energy accumulator can also be used for triggering igniting for pyrotechnic protector
Pipe.Therefore additional electric energy can be provided, so that enough trigger voltages can be provided for pyrotechnic protector in failure situation.
Control device can have the AD converter for being used for determining voltage drop.Because between the first terminals and the second terminals
Resistance or resistance value, it is known that so the electric current or current value between two terminals can be calculated by control device.Further
Assessment allow the comparison by current value and threshold value, for example to recognize short circuit current flow.
Control device may include the microcontroller that form is ASIC, MCU or FPGA.Therefore, it can be held in microcontroller
Row is calculated, assessed and the comparison with threshold value.Therefore, control device can particularly effectively work.
In addition, the characteristic feature of protector can be simulated by the way that current value is integrated in time.By using guarantor
Dangerous device characteristic curve can for example determine the thermic load of high voltage power supply to be monitored and to be protected.Information on thermic load can be for
Triggering is determined, i.e. the offer of control signal has meaning, because may be concluded with this such as leakage current.
As already discussed, bus-bar for example can be made up of copper or aluminium.For between the first terminals of influence and the second terminals
Resistance, bus-bar can have at least copper of 50% mass percent, aluminium, copper-manganese (Manganin), constantan in this region
(Konstantan), her Sa Hejin (Isotan) and isabellin additionally or alternatively.Especially, in one kind implementation
In form, bus-bar can have the metal of at least 75% mass percent.By introducing additional specific material, it can give birth to
Into resistance that is predetermined or limiting and thus caused voltage drop.Advantageously, thus can build-out resistor set with optimizing protection
Standby physical dimension.
Resistance is can adjust and improved by the space in bus-bar between the first terminals and the second terminals.Space exists
This can be regarded as recess, milling portion, material narrowing portion or breach, such as Yi Jikong, drilling or punching.In addition, in the first wiring
Multiple spaces can be formed on the busbar between end and the second terminals.For example, can shape on two opposed sides of bus-bar
Into the space of the form especially with recess etc..With this, advantageously the structure space of feasible system optimizes, because two wiring
Interval between end can be reduced.Additional advantage is the possibility for demarcating resistance value.
In favourable form of implementation, protection equipment and pyrotechnic protector are directly combined.Therefore, protection equipment includes cigarette
Fiery formula protector.Advantageously pyrotechnic protector is configured between the first terminals and the second terminals herein to conflux
Row disconnects.By the combination of pyrotechnic protector and protection equipment, it can further optimize structure space.
When bus-bar has space and protection equipment includes pyrotechnic protector, it is advantageous that area of the bus-bar in space
There is predetermined open position in domain.Therefore, the presence in space is enough to limit predetermined open position.In addition, bus-bar can have separately
Outer feature, to realize the predetermined open position for pyrotechnic protector.
Bus-bar can easily disconnect in predetermined open position.In this case, pyrotechnic protector is arranged in bus-bar
On so that pyrotechnic protector disconnects bus-bar in predetermined open position.Therefore, only pyrotechnic is needed to insure to disconnect bus-bar
Device less loads gas-forming agent.
The foregoing explanation for being related to protection of equipment also correspondingly applies to method.Equipment may be implemented in a part or distribution
Implement in multiple parts on ground.In addition, equipment can be integrated into ASIC.
The technical scheme advised herein further comprises the computer program that can be loaded into the memory of digital computer
Product, the computer program product includes program code sections, and described program code section is adapted for carrying out described herein
Method the step of.
The characteristics, features and advantages of invention described above and its mode of realization combine following for embodiment
Schematically describe and become apparent from and it is more readily appreciated that the embodiment is combined accompanying drawing explains in detail.Here, being risen to be clear
See, be that identical or effect identical element are provided with identical reference.
Brief description of the drawings
Fig. 1 shows the schematic block diagram of protection equipment according to an embodiment of the invention；
Fig. 2 shows the schematic block diagram of protection equipment according to another embodiment of the invention；
Fig. 3 shows the characteristic curve map of protector according to an embodiment of the invention；
Fig. 4 a show the schematic diagram of protection equipment according to an embodiment of the invention；With
Fig. 4 b show the schematic diagram of protection equipment according to additional embodiments of the invention.
Embodiment
Fig. 1 shows the protection equipment of the high voltage power supply 104 for motor vehicle 106 with pyrotechnic protector 102
100.Protection equipment 100 includes the bus-bar 108 with the first terminals 110 and the second terminals 112.Bus-bar 108 is in Fig. 1
Shown in embodiment in be motor vehicle 106 bus-bar a part.The first terminals 110 and the second terminals 112 it
Between, bus-bar 108 has resistance R.First terminals 110 and the second terminals 112 and the control device 116 of protection equipment 100
Connected with the electric supply installation 118 of protection equipment 100.It is real in the variant that control device 116 and electric supply installation 118 are illustrated in Fig. 1
It is now combinational circuit.Voltage reduces U on resistance RPT.In the variant of diagram, control device 116 and electric supply installation 118 include
Voltage changer 120 or divider, by the divider from voltage drop UPTObtain control signal UZOr ignition voltage UZ.Control
Signal UZOn the ignitron for being passed to pyrotechnic protector 102, ignitron is lighted, and therefore triggering pyrotechnic insurance
Device.
Bus-bar 108 has off position 132.This off position 132 is in pyrotechnic protector 102 in a variant
Two terminals 110,112 outside.In the embodiment illustrated in Fig. 1, off position 132 be arranged in two terminals 110,
Between 112.Optionally, off position 132 can have predetermined open position 130, such as illustrate by a dotted line in Fig. 1.
Optionally, bus-bar 108 has space 128.Which thereby enhance resistance and therefore can reduce by two terminals 110,
Interval between 112., can be by the construction in space 128 and the interval of terminals 110,112 from structure space for regulation resistance R
Aspect and electrically aspect setting optimal effectiveness.
In a particular embodiment, space 128 is the intentional weakening of bus-bar and therefore produced in this region
Predetermined open position 130.
Therefore, in a preferred embodiment, pyrotechnic protector 102 is the part of locking device 100.Here, can
It is illustrated as off position 132 being arranged between terminals 110,112.When using space 128, space 128 can be with bus-bar
108 predetermined open position 130 is combined.
In the embodiment illustrated in fig. 1 and 2, pyrotechnic protector 102 is illustrated as two parts.Pyrotechnic protector
102 ignitron 102 ' as pyrotechnic protector 102 pyrotechnics breaker 102 ".Therefore, when existing on ignitron 102 '
Ignition voltage UZWhen, ignitron 102 ' is lighted and the off position 132 in bus-bar 108 is disconnected as reaction.
Fig. 2 shows the schematic block diagram of protection equipment 100 according to another embodiment of the invention.Protection equipment
100 further comprise voltage regulator 240, energy accumulator 242, AD converter 244, ignition driver 246 and microcontroller
Device 248.Voltage changer 120 includes voltage regulator 240 and AD converter 244.Measured by AD converter on resistance R
Voltage UPT, and thereby determine that the current value I between two terminals 110,112PT。
It can for example realize and be configured to determine current value for MCU, ASIC or FPGA optional microcontroller 248, this
Characteristic curve is also drawn outside, such as such as monitoring current IPTThe insurance characteristic curve (see Fig. 3) or limiting value changed over time.Pass through
The ignition driver 246 of also referred to as ignition driver electronic device can provide ignition voltage UZ.Here, ignition driver 246
Selection of land is supported by energy accumulator 242, to provide enough ignition energies or initial firing current.
In the embodiment illustrated in fig. 2, there is protection equipment 100 optional control interface 222 to be arranged in guarantor to receive
The control signal 224 of the triggering electronic device 226 protected outside equipment 100.Thus, for example being used as the air bag of triggering electronic device 226
Controller will can also be provided for the control signal 224 of protection equipment 100 for the trigger signal of air bag.Protection equipment 100
It is set in this case in the time control pyrotechnic protector 102 of control signal 224 that there is affirmative.
Energy of the principle illustrated at this based on detection on the part of bus-bar is reduced and in failure situation by this energy
Measure for triggering pyrotechnic protector 102.In normal operation, short circuit or overload situations, for example, it can be become by Buck-Boost
Parallel operation 240 is that control and evaluation electronics are powered, and (by ignitron 102 ') triggering is also referred to as pyrotechnic breaker 102
Pyrotechnic protector 102.
If it is desired to which using pyrotechnic protector 102 as fuse is substituted for, then the igniting of gas-forming agent 102 ' is total
It is to need energy, when the energy is provided by low-pressure system as in the prior art, the energy is for example in collision situation
In or no longer exist in the case where losing vehicle electronic circuit system voltage.Thus, breaker 102 possibly can not be activated.
The one side of proposed design is, the off position 132 with the bus-bar 108 of pyrotechnic protector 102
In parallel, ignition energy U is obtained (directly or through bypass) in overcurrent or short-circuit conditionsZ, and therefore pass through boosting/drop
Buckling parallel operation 240 (Buck-Boost) is provided to electronic device is controlled, and then the control electronic device controllably lights gas
Propellant, by overcurrent cutting-off.
This energy harvesting principle used running status or under overcurrent situations bonding jumper (for example, copper,
Aluminium ...) specific electrical resistance on voltage drop.Additionally, off position for example can be by milling portion or breach constriction, or by drawing
Enter specific material (shunting principle), to generate limited resistance and thus produce a voltage drop.
In normal operation (being hundreds of amperes in electric vehicle), the voltage on resistance R is reduced to UPT.Relatively small transition
Resistance R is enough to produce sufficiently large voltage drop UPT.Boosting (or decompression/Buck-Boost) voltage transformation with voltage regulator
Device 240 is assessment and control electronics.In addition, energy be storable in energy buffer 242 (capacitor, super capacitor,
Battery etc.) in, continue to power or for triggering ignitron as electronic device.
Therefore in driving or also in short circuit or overload, self-powered is (i.e., for pyrotechnic protector 102 or protection equipment 100
When thering is the electric current to flow through on-board the circuit breaker) and without using other (vehicle electronic circuit system) power supply.
Advantage is that pyrotechnic switch can 1:1 substitutes fuse, and the pyrotechnic switch can be additionally yet by triggering electronics
Device is for example broken in collision situation, to prevent short-circuit and therefore caused fire risk, or due to exposed conductive part
Dangerous electric shock caused by point.Vehicle need not have the vehicle electronic circuit system worked, or vehicle can also be in parking or stop
In only.
Fig. 3 shows the curve map of protector characteristic curve 350 according to an embodiment of the invention.In cartesian coordinate system
Middle transverse axis shows the time and the longitudinal axis shows time in units of ampere.The electric current is the electric current I on off positionPT.Current value
Raised with the time and at a time exceed threshold value.
Voltage drop U is measured on the AD converter 244 illustrated in fig. 2PTAnd it is thus determined that electric current on off position 132
IPT.Therefore ASIC or microcontroller can assess (parameterisable) protector characteristic curve of time and electric current, and dangerous
Thermal overload when pass through gas-forming agent (UZ) on control signal UZActivation disconnects.
Fig. 4 a show the schematic illustration of protection equipment 100 according to an embodiment of the invention.In this case, do not scheme
The pyrotechnic protector shown is integrated into protection equipment 100.Bus-bar 104 is conducted through protection equipment 100.Protection equipment
100 are configured to disconnect bus-bar 104 when there is short circuit current flow or overvoltage.
Fig. 4 b show the schematic illustration of protection equipment 100 according to additional embodiments of the invention.With in Fig. 4 a
The difference of the protection equipment 100 of diagram is that pyrotechnic protector 102 is in protection equipment in the embodiment illustrated in fig. 4b
It is arranged in by the of 100 on bus-bar 104.Protection equipment 100 provides control signal UZOr ignition voltage UZ。
Reference numerals list
100 protection equipments
102 pyrotechnic protectors
The ignitron of 102 ' pyrotechnic protectors
The pyrotechnics breaker of 102 " pyrotechnic protectors
104 power supplys
106 motor vehicles
108 bus-bars
110 first terminals
112 second terminals
116 control devices
118 electric supply installations
R resistance
UPTVoltage drop
IKShort circuit current flow
UZControl signal；Ignition voltage
120 voltage changers
128 spaces
130 predetermined open positions
132 off positions；Open area
222 control interfaces
224 control signals
226 triggering electronic devices
240 voltage regulators (voltage changer for carrying voltage regulator)
242 energy accumulators
244 AD converters
IPTElectric current
246 ignition drivers (ignition driver electronic device)
248 microcontrollers
350 protector characteristic curves
Claims (11)
1. protection equipment (100) of the one kind for the high voltage power supply (104) of motor vehicle (106), is carried：
- bus-bar (108), the bus-bar (108) has in the first terminals (110) of the bus-bar and the second terminals
(112) resistance (R) between；
- control device (116), the control device is configured to the voltage drop (U on resistance (R)PT) be estimated and by control
Signal (U processedZ) control pyrotechnic protector (102)；With
- pass through the voltage drop (UPT) power supply, power supply for pyrotechnic protector (102) and the control device (116)
Device (118).
2. protection equipment (100) according to claim 1, wherein, the electric supply installation (118) includes voltage changer
(120)。
3. protection equipment (100) according to claim 2, wherein, the voltage changer (120) includes voltage regulator
(240), so as to be the control device (116) supply with constant voltage in the margin of tolerance.
4. protection equipment (100) according to any one of the preceding claims, with control interface (222) to receive arrangement
In the control signal (224) of the triggering electronic device (226) of the protection equipment (100) outside, wherein, the control device
(116) it is configured to control the pyrotechnic protector (102) by using the control signal (224).
5. protection equipment (100) according to any one of the preceding claims, with energy accumulator (242), the energy
Amount memory (242) can be charged by the electric supply installation (118) and be configured to as the control device (116) and/or
Pyrotechnic protector (102) power supply.
6. protection equipment (100) according to any one of the preceding claims, with dropping (U for recording voltagePT) AD
Converter (244), wherein, the control device (116) is configured to determine between the first terminals and the second terminals
Current value (IPT)。
7. protection equipment (100) according to claim 6, wherein it is determined that on time (t) and current value (IPT) insurance
Device characteristic curve (350), to determine thermic load with the protector characteristic curve (350).
8. protection equipment (100) according to any one of the preceding claims, wherein, the first terminals (110) and second
Bus-bar (108) between terminals (112) at least includes copper, aluminium, copper-manganese, constantan, Isotan with 50% percentage by weight
And/or isabellin.
9. protection equipment (100) according to any one of the preceding claims, with the first terminals (110) and second
The space (128) in bus-bar (108) between terminals (112), to raise and/or adjust in the margin of tolerance limited in advance
Economize on electricity resistance (R).
10. protection equipment (100) according to any one of the preceding claims, described with pyrotechnic protector (102)
Pyrotechnic protector (102) is configured between the first terminals (110) and the second terminals (112) bus-bar (108) is disconnected
Open.
11. the protection equipment (100) according to claim 9 and 10, wherein, the space (128) of bus-bar (108) is formed as
The predetermined open position (130) of bus-bar (108), and pyrotechnic protector (102) is arranged on bus-bar (108), with institute
Predetermined open position (130) place is stated to disconnect bus-bar (108).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016107707.0 | 2016-04-26 | ||
| DE102016107707.0A DE102016107707B3 (en) | 2016-04-26 | 2016-04-26 | Protective device for a high-voltage power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107317299A true CN107317299A (en) | 2017-11-03 |
| CN107317299B CN107317299B (en) | 2019-10-18 |
Family
ID=59296051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710273028.6A Active CN107317299B (en) | 2016-04-26 | 2017-04-25 | Protection equipment for high voltage power supply |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107317299B (en) |
| DE (1) | DE102016107707B3 (en) |
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| CN107696869A (en) * | 2017-11-15 | 2018-02-16 | 宁德时代新能源科技股份有限公司 | Control circuit, high-voltage box and battery management device |
| CN111587469A (en) * | 2017-11-14 | 2020-08-25 | 阿丽亚娜集团股份有限公司 | Firework switching device |
| CN113580941A (en) * | 2021-07-30 | 2021-11-02 | 东风华神汽车有限公司 | System and method for automatically connecting and disconnecting power battery |
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|---|---|---|---|---|
| DE102017214302A1 (en) * | 2017-08-16 | 2019-02-21 | Volkswagen Aktiengesellschaft | Switch-off device for an electrical supply network |
| DE102018201995A1 (en) | 2018-02-08 | 2019-08-08 | Volkswagen Aktiengesellschaft | Pyrotechnic switch |
| AT521131B1 (en) * | 2018-04-11 | 2020-09-15 | Hirtenberger Automotive Safety Gmbh & Co Kg | Protective device for a line of a motor vehicle |
| DE102018206056B3 (en) | 2018-04-20 | 2019-07-11 | Audi Ag | contactor |
| DE102018121729B4 (en) * | 2018-09-06 | 2020-03-26 | Lisa Dräxlmaier GmbH | Safety device and method for securing an electrical connection |
| DE102019101236A1 (en) * | 2019-01-17 | 2020-07-23 | Liebherr-Components Biberach Gmbh | Control device for triggering at least one pyro fuse and energy storage device with such a pyro fuse |
| DE102019211727A1 (en) * | 2019-08-05 | 2021-02-11 | Audi Ag | Method for operating an electrically drivable motor vehicle and a device for this purpose |
| DE102019220099B4 (en) * | 2019-12-19 | 2021-07-29 | Siemens Mobility GmbH | Rail vehicle |
| DE102020104436A1 (en) | 2020-02-20 | 2021-08-26 | Bayerische Motoren Werke Aktiengesellschaft | Disconnection device, high-voltage electrical system and motor vehicle |
| AT524732B1 (en) * | 2021-02-04 | 2023-02-15 | Astotec Automotive Gmbh | Protection circuit for an electric vehicle with a contactor and a pyrotechnic current isolator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6141202A (en) * | 1998-08-07 | 2000-10-31 | Daimlerchrysler Ag | Method and apparatus for triggering a fuse |
| DE10049071B4 (en) * | 2000-10-02 | 2004-12-16 | Micronas Gmbh | Safety device for a circuit, in particular in motor vehicles |
| GB2489101A (en) * | 2011-03-18 | 2012-09-19 | Gm Global Tech Operations Inc | Pyrotechnically actuated fuse for a motor vehicle |
| DE102013101466A1 (en) * | 2013-02-14 | 2014-08-14 | Murrelektronik Gmbh | Electrical overcurrent protection without external power supply |
| CN104508789A (en) * | 2012-08-01 | 2015-04-08 | 迪睿合电子材料有限公司 | Protective element and battery pack |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008039571A (en) * | 2006-08-04 | 2008-02-21 | Denso Corp | Current sensor |
| US7969275B2 (en) * | 2007-11-14 | 2011-06-28 | Enerdel, Inc. | Fuse assembly with integrated current sensing |
| US20120127621A1 (en) * | 2010-11-23 | 2012-05-24 | Mersen Usa Newburyport-Ma, Llc | Circuit protection apparatus for photovoltaic power generation systems |
| DE102013209835A1 (en) * | 2013-05-27 | 2014-11-27 | Robert Bosch Gmbh | Module separation in battery systems in the event of accidents |
-
2016
- 2016-04-26 DE DE102016107707.0A patent/DE102016107707B3/en active Active
-
2017
- 2017-04-25 CN CN201710273028.6A patent/CN107317299B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6141202A (en) * | 1998-08-07 | 2000-10-31 | Daimlerchrysler Ag | Method and apparatus for triggering a fuse |
| DE10049071B4 (en) * | 2000-10-02 | 2004-12-16 | Micronas Gmbh | Safety device for a circuit, in particular in motor vehicles |
| GB2489101A (en) * | 2011-03-18 | 2012-09-19 | Gm Global Tech Operations Inc | Pyrotechnically actuated fuse for a motor vehicle |
| CN104508789A (en) * | 2012-08-01 | 2015-04-08 | 迪睿合电子材料有限公司 | Protective element and battery pack |
| DE102013101466A1 (en) * | 2013-02-14 | 2014-08-14 | Murrelektronik Gmbh | Electrical overcurrent protection without external power supply |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111587469A (en) * | 2017-11-14 | 2020-08-25 | 阿丽亚娜集团股份有限公司 | Firework switching device |
| CN107696869A (en) * | 2017-11-15 | 2018-02-16 | 宁德时代新能源科技股份有限公司 | Control circuit, high-voltage box and battery management device |
| CN113580941A (en) * | 2021-07-30 | 2021-11-02 | 东风华神汽车有限公司 | System and method for automatically connecting and disconnecting power battery |
| CN113580941B (en) * | 2021-07-30 | 2023-06-02 | 东风华神汽车有限公司 | System and method for automatically switching in and switching off power battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107317299B (en) | 2019-10-18 |
| DE102016107707B3 (en) | 2017-07-27 |
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