CN104192080B - Circuit management system and method of vehicle - Google Patents
Circuit management system and method of vehicle Download PDFInfo
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- CN104192080B CN104192080B CN201410461318.XA CN201410461318A CN104192080B CN 104192080 B CN104192080 B CN 104192080B CN 201410461318 A CN201410461318 A CN 201410461318A CN 104192080 B CN104192080 B CN 104192080B
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Abstract
The invention discloses a circuit management system and method of a vehicle. The vehicle comprises a high-voltage circuit and a high-voltage interlocking loop. The circuit management system comprises a manual maintenance make and break device, a temperature-controlled switch and a control unit, wherein the manual maintenance make and break device comprises a high-voltage wiring terminal electrically connected with the high-voltage circuit, a low-voltage wiring terminal electrically connected with the high-voltage interlocking loop and a handle, the handle is set to be suitable for being pushed to break electrical connection between the manual maintenance make and break device and the high-voltage interlocking loop, the temperature-controlled switch is set to be electrically connected with the low-voltage wiring terminal and the handle in series, the temperature-controlled switch is set to be turned off when the temperature of the manual maintenance make and break device is higher than the temperature of a preset threshold value so that electrical connection between the manual maintenance make and break device and the high-voltage interlocking loop can be broken, and the control unit is set to open the high-voltage circuit when electrical connection between the manual maintenance make and break device and the high-voltage interlocking loop is broken.
Description
Technical field
The present invention relates generally to vehicle electric field, relates more specifically to the Circuit management system of a kind of vehicle
System and method.
Background technology
In vehicle Circuit management system, manual maintenance make and break device (MSD) is protection vehicle high-voltage electricity
The vitals of road safety.In order to ensure operator safety, MSD is connected into high-voltage interlocking loop (HVIL)
In.During removing MSD, HVIL i.e. can detect and disconnect prior to high-tension circuit, and then
Notice control unit for vehicle (VCU) disconnects high-tension circuit, thus the high pressure avoiding operator gets an electric shock
Dangerous.But, MSD is connected by adapter with vehicle circuit, and these adapters have certain electricity
Resistance.Additionally, electronic component within MSD and the electric fuse that is integrated in MSD also have certain
Resistance.Above-mentioned resistance constitutes the all-in resistance of MSD.This all-in resistance raises, in the use cycle along with temperature
Aging effect and user use configuration improper and increase.After energising, the increase of resistance will cause MSD
The increase of middle heat loss, and hence speed up aging and then further result in all-in resistance increase, cause serious
Vehicle safety problem.
Therefore, durable assembly electric heating design needs to consider that environmental factors is relevant to user's configuring condition
Aging action, the statistical of resistive performance are equipped with and the most bad user's configuring condition.Existing vehicle circuit
The management system often surdimensionnement because of the impact of above-mentioned factor, adds production cost.Even if additionally,
Above-mentioned all of factor is taken into full account, it would still be possible to there is the infringement of unexpected assembly and cause in the design phase
Resistance increases.
In order to avoid the circuit safety problem caused because MSD is overheated, need a kind of circuit for vehicle
Management system and method, once MSD exceedes threshold temperature, disconnects before further infringement produces
High-tension circuit.
Summary of the invention
In view of the above problems, it is proposed that the present invention, in order to provide a kind of vehicle Circuit management system and
Method, to overcome the problems referred to above or to solve the problems referred to above at least in part.
According to a first aspect of the present invention, it is provided that the Circuit management system of a kind of vehicle, described vehicle
Including high-tension circuit and high-voltage interlocking loop, it is characterised in that described system includes: manually tie up
Protect make and break device, including the high-voltage connection terminal electrically connected with described high-tension circuit and described high pressure
The low-voltage wiring terminal of interlocking loop electrical connection and handle, wherein said handle be arranged to be suitable to by
Promote to disconnect the electrical connection between described manual maintenance make and break device and high-voltage interlocking loop；Temperature control
Switch, is set to be electrically connected in series with described low-voltage wiring terminal and described handle, described temperature control
Switch is arranged to when the temperature of described manual maintenance make and break device is more than threshold temperature set in advance
Time disconnect, to disconnect being electrically connected between described manual maintenance make and break device and described high-voltage interlocking loop
Connect；And control unit, it is arranged to when described manual maintenance make and break device and described high-voltage interlocking
When electrical connection between loop disconnects, disconnect described high-tension circuit.
According to an embodiment of the present invention, described temperature detect switch (TDS) is disposed proximate to described high-voltage terminal
The sub junction with described high-tension circuit.
According to an embodiment of the present invention, described manual maintenance make and break device also includes being connected to described
The electric fuse of high-tension circuit, described temperature detect switch (TDS) is disposed proximate to described electric fuse.
According to an embodiment of the present invention, described temperature detect switch (TDS) be can Resetting Switching, when described manually
Safeguard when being down at a temperature of make and break device equal to or less than threshold temperature set in advance, described temperature
Control switch Guan Bi so that described manual maintenance make and break device turns on described high-voltage interlocking loop；And
Described control unit is arranged to when described high-voltage interlocking loop forms path make described high-tension circuit
Conducting.
According to an embodiment of the present invention, described temperature detect switch (TDS) is bimetal release.
According to an embodiment of the present invention, described temperature detect switch (TDS) be can not Resetting Switching, when described hands
When the dynamic temperature safeguarding make and break device is more than threshold temperature set in advance, described temperature detect switch (TDS) is permanent
Property disconnect so that described manual maintenance make and break device permanently disconnects with described high-voltage interlocking loop.
According to the second aspect of the invention, it is provided that a kind of management method for vehicle circuit, described car
Circuit includes high-tension circuit, high-voltage interlocking loop and the loop-coupled manual maintenance of described high-voltage interlocking
Make and break device and control unit；Described method includes: sense the temperature of described manual maintenance make and break device；
When the temperature sensing described manual maintenance make and break device is more than threshold temperature set in advance, disconnected
Open the electrical connection between described manual maintenance make and break device and described high-voltage interlocking loop；And when described hands
When the dynamic electrical connection safeguarded between make and break device and described high-voltage interlocking loop disconnects, described control list
Unit disconnects described high-tension circuit.
According to an embodiment of the present invention, wherein said temperature detect switch (TDS) be can Resetting Switching, and described
Method also includes: be down at a temperature of described manual maintenance make and break device equal to or less than setting in advance
During fixed threshold temperature, close described temperature detect switch (TDS) so that described manual maintenance make and break device and institute
State the conducting of high-voltage interlocking loop；And when described high-voltage interlocking loop forms path, described control
Unit makes described high-tension circuit turn on.
According to an embodiment of the present invention, wherein said temperature detect switch (TDS) be can not Resetting Switching, and work as institute
Disconnect described temperature control when stating the temperature of manual maintenance make and break device more than threshold temperature set in advance to open
Close, to disconnect the electrical connection bag between described manual maintenance make and break device and described high-voltage interlocking loop
Include: when the temperature of described manual maintenance make and break device is more than threshold temperature set in advance, forever
Property ground disconnect described temperature detect switch (TDS), permanently to disconnect described manual maintenance make and break device with described
Electrical connection between high-voltage interlocking loop.
In a word, the Circuit management system and method for vehicle that embodiments of the present invention provide, it is provided that
A kind of quick, reliable and safe scheme, it is possible in the temperature of manual maintenance make and break device more than in advance
High-voltage interlocking loop is directly disconnected during the threshold temperature set, and without control unit 205 is carried out
Disconnect the extra programming in high-voltage interlocking loop, thus avoid vehicle Circuits System to be heated excessively, prolong
Grow the service life of vehicle circuit unit and improve the efficiency of vehicle circuit, and having improve car
Security performance；And simple in construction, it is simple to store, transport, install and keep in repair, significantly save
Cost.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the skill of the present invention
Art means, and can being practiced according to the content of description, and in order to allow, the present invention's is above and other
Objects, features and advantages can become apparent, below especially exemplified by the detailed description of the invention of the present invention.
Accompanying drawing explanation
By reading the detailed description of hereafter preferred implementation, various other advantage and benefit for this
Field those of ordinary skill will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation,
And it is not considered as limitation of the present invention.And in whole accompanying drawing, be denoted by the same reference numerals
Identical parts.In the accompanying drawings:
Fig. 1 be according to an embodiment of the present invention in for the schematic diagram of Circuit management system of vehicle；
And
Fig. 2 be according to an embodiment of the present invention in for the flow chart of management method of vehicle circuit.
Detailed description of the invention
It is more fully described the illustrative embodiments of the disclosure below with reference to accompanying drawings.Although it is aobvious in accompanying drawing
Show the illustrative embodiments of the disclosure, it being understood, however, that may be realized in various forms the disclosure
And should not limited by embodiments set forth herein.On the contrary, it is provided that these embodiments are able to
It is best understood from the disclosure, and can be by the technology conveying to this area complete for the scope of the present disclosure
Personnel.Although should be appreciated that those skilled in the art it is contemplated that the most clearly do not retouch
But state or record and achieve the present invention and be included in each with in scope of present invention spirit, principle
Plant structure.In this specification, all examples of citation are all in order at explanation and the mesh of teaching with conditional language
, to help principle and the concept that prior art contributes by reader understanding inventor, and should be by
It is interpreted as being not limited to these example specifically quoted from and conditions.Additionally, in order to be illustrated more clearly that, omit
For the detailed description of known devices, circuit and method, not obscuring description of the invention.Should be understood that
Unless stated otherwise, the feature in each embodiment described herein can be combined with each other.
It will be understood by those skilled in the art that in the exemplary embodiment of the present invention cited each
The quantity of parts is solely for the purpose of illustration, and is not construed as limitation of the present invention.This
In invention, each parts can have other quantity, is made without departing from the scope of the present invention.
In this manual, the function of each unit can be by using specialized hardware or can be with suitable
When software combine perform process hardware realize.Such hardware or specialized hardware can include
Special IC (ASIC), various other circuit, various processors etc..When being realized by processor,
This function can be by single application specific processor, single shared processor or multiple independent processor (its
In some may be shared) provide.It addition, processor is not construed as referring exclusively to being able to carry out soft
The hardware of part, but can implicitly include and be not limited to digital signal processor (DSP) hardware,
It is used for storing the read only memory (ROM) of software, random access memory (RAM), Yi Jifei
Volatile memory device.
Embodiment one
According to the first aspect of the invention, it is provided that the Circuit management system of a kind of vehicle.
Fig. 1 shows a non-limiting and exemplary embodiment of the present invention.Should be appreciated that Fig. 1
The annexation of each unit represented by is merely illustrative, and those skilled in the art can use it completely
Its annexation, as long as each unit also is able to realize the function of the present invention under such annexation
?.
As it is shown in figure 1, described vehicle includes high-tension circuit 201 and high-voltage interlocking loop 202.Car
Circuit management system include manual maintenance make and break device 100, temperature detect switch (TDS) 103 and control unit
205。
High-tension circuit 201 can be the consuming parts of the high-pressure system to vehicle, such as inverter 203
Or motor 204, the circuit of power supply.High-voltage interlocking loop 202 is controlled by the interlocking loop of low-voltage
High-tension circuit 201, when high-voltage interlocking loop 202 detects that the somewhere of high-tension circuit 201 occurs connecting event
During barrier, signal can be transmitted to control unit 205 in high-voltage interlocking loop 202, then control unit 205 controls
High-tension circuit 201 disconnects.
The manual maintenance make and break device 100 of vehicle includes high-voltage connection terminal 101, low-voltage wiring terminal
102 and handle (not shown).Device 100 is by described high-voltage connection terminal 101 and described high pressure
Circuit 201 electrically connects and by described low-voltage wiring terminal 102 and described high-voltage interlocking loop 202
Electrical connection；Described handle is suitable to be promoted to disconnect described manual maintenance make and break device 100 and high pressure
Electrical connection between interlocking loop 202.Alternatively, handle is set to and described low-voltage wiring terminal
102 are electrically connected in series；Alternatively, hand propelled is followed by touching and mobile low-voltage wiring terminal 102,
Low-voltage wiring terminal 102 is made to disconnect with high-voltage interlocking loop 202.
Temperature detect switch (TDS) 103 is set to the most electric with described low-voltage wiring terminal 102 and described handle
Connecting, described temperature detect switch (TDS) 103 is arranged to when temperature T of described manual maintenance make and break device 100
Disconnect more than during threshold temperature T0 set in advance, to disconnect described manual maintenance make and break device 100
And the electrical connection between described high-voltage interlocking loop 202.
Control unit 205, for returning with described high-voltage interlocking when described manual maintenance make and break device 100
When electrical connection between road 202 disconnects, disconnect described high-tension circuit 201.
In exemplary as shown in Figure 1, high-voltage connection terminal 101 and the institute of vehicle
State high-tension circuit 201 to electrically connect；First end 102A of low-voltage wiring terminal 102 is described with vehicle
High-voltage interlocking loop 202 electrically connects.Handle may be connected to the second end of described low-voltage wiring terminal
102B, can promote handle, so that described low-voltage wiring terminal 102 is from manual maintenance make and break device 100
Disconnect, thus disconnect described manual maintenance make and break device 100 and described high-voltage interlocking loop 202 it
Between electrical connection.Alternatively, handle may be connected to the first end 102A of low-voltage wiring terminal 102,
Low-voltage wiring terminal 102 is electrically connected with high-voltage interlocking loop 202 by handle, can promote handle,
So that the electrical connection between described low-voltage wiring terminal 102 and described high-voltage interlocking loop 202 disconnects.
High-voltage interlocking loop 202 and then to control unit 205 number of delivering letters, then control unit 205 in response to
This signal, controls to disconnect high-tension circuit 201.
With reference to Fig. 1, temperature detect switch (TDS) 103 may be provided at the second end of described low-voltage wiring terminal 102
102B, and be electrically connected in series with described handle.Alternatively, temperature detect switch (TDS) 103 may be provided at low
First end 102A of compression bonded line terminal 102 and being electrically connected in series with handle.Alternatively, temperature control is opened
Close 103 to may be provided between handle and low-voltage wiring terminal 102.Alternatively, handle may be provided at
Between temperature detect switch (TDS) 103 and low-voltage wiring terminal 102.Described temperature detect switch (TDS) 103 is arranged to work as
Temperature T of described manual maintenance make and break device 100 disconnects more than during threshold temperature T0 set in advance,
To disconnect being electrically connected between described manual maintenance make and break device 100 and described high-voltage interlocking loop 202
Connect.Being electrically connected between described manual maintenance make and break device 100 and described high-voltage interlocking loop 202
When connecing disconnection, control unit 205 disconnects described high-tension circuit 201.
According to an illustrative embodiment of the invention, described high-voltage interlocking loop 202 is suitable to when described hands
When the dynamic electrical connection safeguarded between make and break device 100 and described high-voltage interlocking loop 202 disconnects, to
Described control unit 205 sends signal, described control unit 205 disconnect described high-tension circuit 201.
When disconnecting manual maintenance make and break device 100, high-voltage interlocking loop 202 i.e. can detect, enter
And sending signal to control unit 205, then control unit 205 is in response to this signal, controls to disconnect
High-tension circuit 201.Alternatively, owing to user uses excessively frequently or misoperation, or aging circuit
Etc. factor, the inside heat loss of device 100 makes its temperature T be more than threshold temperature T0 set in advance,
It is increased to unsafe level, such as 180 or 200 degrees Celsius, then temperature detect switch (TDS) 103 disconnects, and makes
Device 100 disconnects with high-voltage interlocking loop 202, and control unit 205 automatically opens up high-tension circuit 201
Catalyst, thus disconnect high-tension circuit 201 immediately, to ensure the use safety of vehicle.
According to an illustrative embodiment of the invention, described temperature detect switch (TDS) 103 is disposed proximate to described
High-voltage connection terminal 101 and the junction of described high-tension circuit 201.In this way, temperature control
Switch 103 can sense the temperature of high-voltage connection terminal 101 and high-tension circuit 201 junction delicately
Degree, once its temperature T sensed more than threshold temperature T0 set in advance, temperature detect switch (TDS)
103 disconnect, with disconnect described manual maintenance make and break device 100 and described high-voltage interlocking loop 202 it
Between electrical connection.When disconnecting manual maintenance make and break device 100, high-voltage interlocking loop 202
To detect, and then send signal to control unit 205, then control unit 205 is in response to this letter
Number, control to disconnect high-tension circuit 201, to ensure the use safety of vehicle.
According to an illustrative embodiment of the invention, described manual maintenance make and break device also includes connecting
Electric fuse to described high-tension circuit.Described temperature detect switch (TDS) 103 is disposed proximate to described electric fuse.
Generally, it is the position that manual maintenance make and break device 100 temperature is higher near electric fuse, by this
Mode, temperature detect switch (TDS) 103 can sense the temperature near electric fuse delicately, and once it is sensed
When temperature T arrived is more than threshold temperature T0 set in advance, temperature detect switch (TDS) 103 disconnects, so that institute
State low-voltage wiring terminal 102 to disconnect from described manual maintenance make and break device 100, thus disconnect described
Electrical connection between manual maintenance make and break device 100 and described high-voltage interlocking loop 202, to ensure car
Use safety.It is alternatively possible to temperature detect switch (TDS) 103 is integrated in high-voltage interlocking loop 202,
Or it is integrated into other appropriate locations in any other manner.
According to an illustrative embodiment of the invention, described temperature detect switch (TDS) 103 is bimetal release.
Bimetal release is to combine on two sides respectively, so with two kinds of alloys that thermal coefficient of expansion is different
Afterwards by the aluminium lid surface transition temperature of temperature switch, bimetal leaf be heated after variations in temperature interpreter
Tool formula is moved, and such as, low bulk layer uses Ni-Fe alloy, and highly expanded layer uses Ni-Mn-Cu to close
Gold, or Fe-Ni-Cr alloy, really, can select various materials according to the different coefficients of expansion.
When temperature rising reaches design temperature, temperature switch bimetal leaf center can overturn with instantaneous time,
So that switching off, when temperature declines, and can set back again to put makes switch close.
According to an illustrative embodiment of the invention, wherein said temperature detect switch (TDS) 103 is to reset out
Close, when temperature T of described manual maintenance make and break device drops to equal to or less than threshold set in advance
During value temperature T0, described temperature detect switch (TDS) 103 closes so that described manual maintenance make and break device 100
Turning on described high-voltage interlocking loop 202, described control unit 205 is arranged to when described high pressure
Interlocking loop makes described high-tension circuit turn on when forming path.Alternatively, temperature detect switch (TDS) 103 is permissible
It is automatic Resetting Switching, it is also possible to be manual Resetting Switching, is set to temperature detect switch (TDS) 103 to weigh
Putting switch makes device 100 to reuse, and reduces cost.By temperature detect switch (TDS) 103
Disconnect and Guan Bi, the temperature of device 100 can be controlled so that it is be maintained under threshold temperature T0,
Service life with extension fixture 100.
According to an illustrative embodiment of the invention, described temperature detect switch (TDS) 103 be can not Resetting Switching,
When temperature T of described manual maintenance make and break device 100 is more than threshold temperature T0 set in advance,
The described permanent disconnection of temperature detect switch (TDS) 103 so that described manual maintenance make and break device 100 is with described
High-voltage interlocking loop 202 permanently disconnects.Alternatively, temperature detect switch (TDS) 103 can be thermo-fuse.
Alternatively, vehicle maintenance centre reset apparatus 100 can be transferred to so that it is normally work, or change whole
Individual device 100.In this way, make described manual maintenance make and break device 100 mutual with described high pressure
Lock loop 202 permanently disconnects, and improves the safety of device 100.
In a word, the Circuit management system for vehicle that embodiments of the present invention provide, it is provided that
Kind quick, reliable and safe scheme, it is possible in the temperature of manual maintenance make and break device more than presetting
Threshold temperature time directly disconnect high-voltage interlocking loop, and without control unit 205 is turned off
The extra programming in high-voltage interlocking loop, thus avoid vehicle Circuits System to be heated excessively, extend
Service life of vehicle circuit unit also improves the efficiency of vehicle circuit, and improve vehicle
Security performance；And simple in construction, it is simple to store, transport, install and keep in repair, provide significant conservation into
This.
Embodiment two
According to the second aspect of the invention, corresponding to as described in embodiment 1 according to the present invention's
The Circuit management system 100 of vehicle, it is provided that a kind of management method 300 for vehicle circuit.
Alternatively, vehicle circuit can have the structure similar with the vehicle circuit shown in Fig. 1.With reference to Fig. 1,
Described vehicle circuit includes that high-tension circuit 201, high-voltage interlocking loop 202 are connected with high-voltage interlocking loop
Manual maintenance make and break device 100 and control unit 103.
Alternatively, high-tension circuit 201 can be the consuming parts of the high-pressure system to vehicle, as inverse
Become device 203 or motor 204, the circuit of power supply.Alternatively, high-voltage interlocking loop 202 is by low electricity
The interlocking loop of pressure controls high-tension circuit 201, when high-voltage interlocking loop 202 detects high-tension circuit 201
Somewhere when there is connecting fault, signal can be transmitted to the control of the vehicle of vehicle in high-voltage interlocking loop 202
Unit 205, then control unit 205 controls high-tension circuit 201 and disconnects.
Described manual maintenance make and break device 100 includes high-voltage connection terminal 101, low-voltage wiring terminal
102 and handle (not shown), described manual maintenance make and break device 100 is by described high-voltage terminal
Son 101 electrically connects and by described low-voltage wiring terminal 102 with described with described high-tension circuit 101
High-voltage interlocking loop 202 electrically connects, and described handle is set to go here and there with described low-voltage wiring terminal 102
Connection ground electrically connects and is suitable to be promoted to disconnect described manual maintenance make and break device 100 and high-voltage interlocking
Electrical connection between loop 202；Described temperature detect switch (TDS) 103 is set to and described low-voltage wiring terminal
102 and described handle be electrically connected in series.
The foregoing description of the Circuit management system of vehicle in embodiment one be also apply be applicable to according to this
The Circuit management method 300 of the vehicle of invention, for brief purpose, does not repeats them here.
Fig. 2 shows the Circuit management method 300 of the vehicle according to exemplary embodiment of the invention
Flow chart.
As in figure 2 it is shown, method 300 starts from step S301: sense described manual maintenance make and break device
Temperature.Alternatively, various suitable internal or external formula temperature sensor can be used to sense described hands
The dynamic temperature safeguarding make and break device.
Method 300 also includes step S303: when the temperature sensing described manual maintenance make and break device
During more than threshold temperature set in advance, disconnect described manual maintenance make and break device and described high-voltage interlocking
Electrical connection between loop.
Alternatively, owing to user uses the factors such as excessively frequent or misoperation, or aging circuit, car
The inside heat loss of device 100 make its temperature T more than threshold temperature T0 set in advance, raise
To unsafe level, such as 180 or 200 degrees Celsius, then method 300 disconnects temperature detect switch (TDS) 103,
To disconnect the electrical connection between device 100 and high-voltage interlocking loop 202.
After step S303, perform step S305: when described manual maintenance make and break device and described height
When electrical connection between pressure interlocking loop disconnects, described control unit disconnects described high-tension circuit.When
After electrical connection between device 100 and high-voltage interlocking loop 202 disconnects, control unit for vehicle 103
Disconnect high-tension circuit 201, to ensure the use safety of vehicle.
According to an illustrative embodiment of the invention, described temperature detect switch (TDS) 103 be can Resetting Switching, and
Described method 300 also includes: when temperature T of described manual maintenance make and break device drop to equal to or
During less than threshold temperature T0 set in advance, close described temperature detect switch (TDS) 103 so that described manually
Safeguard that make and break device 100 turns on described high-voltage interlocking loop 202；When described high-voltage interlocking loop
When forming path, described control unit makes described high-tension circuit turn on.Alternatively, temperature detect switch (TDS) 103
Can be automatic Resetting Switching, it is also possible to be manual Resetting Switching.
Alternatively, owing to user uses the factors such as excessively frequent or misoperation, or aging circuit, car
The inside heat loss of device 100 make its temperature T more than threshold temperature T0 set in advance, raise
To unsafe level, such as 180 or 200 degrees Celsius, then method 300 disconnects temperature detect switch (TDS) 103,
To disconnect the electrical connection between device 100 and high-voltage interlocking loop 202.When described manual maintenance disconnecting
When temperature T of device drops to equal to or less than threshold temperature T0 set in advance, arrive safe water
Flat, then can reset temperature detect switch (TDS) 103 so that it is close, so that described manual maintenance make and break device
100 turn on described high-voltage interlocking loop 202, continue normal work.Resetting temperature detect switch (TDS) 103 can
To reuse device 100, reduce cost.By disconnection and the Guan Bi of temperature detect switch (TDS) 103, can
To control the temperature of device 100 so that it is be maintained under threshold temperature T0, with extension fixture 100
Service life.
According to an illustrative embodiment of the invention, described temperature detect switch (TDS) be can not Resetting Switching, and step
S303 includes: when the temperature of described manual maintenance make and break device is more than threshold temperature set in advance,
Permanently disconnect described temperature detect switch (TDS) 103, permanently to disconnect described manual maintenance make and break device
Electrical connection between 100 and described high-voltage interlocking loop 202.Alternatively, can transfer in vehicle maintenance
Heart maintenance temperature detect switch (TDS) so that it is normally work, or change whole temperature detect switch (TDS) 103.By this
Mode, makes described manual maintenance make and break device 100 with described high-voltage interlocking loop 202 permanently
Disconnect, improve the safety of vehicle.
In a word, the management method for vehicle circuit that embodiments of the present invention provide, it is provided that
Kind quick, reliable and safe scheme, it is possible in the temperature of manual maintenance make and break device more than presetting
Threshold temperature time directly disconnect high-voltage interlocking loop, and without control unit 205 is turned off
The extra programming in high-voltage interlocking loop, thus more simply and effectively avoid vehicle Circuits System by excessively
Heating, extends the service life of vehicle circuit unit and improves the efficiency of vehicle circuit, and
Improve the security performance of vehicle；And simple in construction, it is simple to store, transport, install and keep in repair,
Provide significant conservation cost.
In this manual, substantial amounts of detail is illustrated.It will be appreciated, however, that the reality of the present invention
The mode of executing can be implemented in the case of not having these details.In some embodiments, the most in detail
Known method, structure and technology are carefully shown, in order to do not make reader obscure the reason of the principle to this specification
Solve.
It will be understood by those skilled in the art that and the module in the device in each embodiment can be carried out certainly
Change adaptively, and they are arranged in one or more devices different from this embodiment.
Except feature or in addition to processing mutually exclusive situation, any combination can be used, to public in this specification
Any method opened in steps or all modules of any device are combined.Unless it is the clearest and the most definite
Statement, each feature disclosed in this specification can be substituted by providing identical, equivalent or similar purpose
Feature replaces.
It should be noted that, above-mentioned embodiment the present invention will be described rather than limits the invention,
And those skilled in the art are in the case of without departing from scope of the following claims, can design various
Alternate embodiments.In detail in the claims, the sequence of feature is not meant to any specific suitable of feature
Sequence, and especially, in claim to a method, the order of each step is not meant to that these steps must be by
Perform according to this order.On the contrary, these steps can perform in any suitable order.Want in right
Asking in book, any reference marker that should not will be located in bracket is understood as limitations on claims.Term
" include " or " comprising " does not excludes the presence of the module or step not arranged in the claims.It is positioned at module or step
Term "a" or "an" before Zhou does not excludes the presence of multiple such module or step.Term " first ",
The use of " second " and " the 3rd " etc. does not indicates that any order, these terms can be construed to title.
Claims (9)
1. a Circuit management system for vehicle, described vehicle includes that high-tension circuit and high-voltage interlocking return
Road, it is characterised in that described system includes:
Manual maintenance make and break device, including the high-voltage connection terminal electrically connected with described high-tension circuit,
The low-voltage wiring terminal electrically connected with described high-voltage interlocking loop and handle, wherein said handle is set
It is set to be suitable to be promoted to disconnect the electricity between described manual maintenance make and break device and high-voltage interlocking loop
Connect；
Temperature detect switch (TDS), is set to be electrically connected in series with described low-voltage wiring terminal and described handle,
Described temperature detect switch (TDS) is arranged to when the temperature of described manual maintenance make and break device is more than set in advance
Disconnect during threshold temperature, with disconnect described manual maintenance make and break device and described high-voltage interlocking loop it
Between electrical connection；And
Control unit, is arranged to when described manual maintenance make and break device and described high-voltage interlocking loop
Between electrical connection disconnect time, disconnect described high-tension circuit.
2. the system as claimed in claim 1, it is characterised in that: described temperature detect switch (TDS) is disposed proximate to
Described high-voltage connection terminal and the junction of described high-tension circuit.
3. the system as claimed in claim 1, it is characterised in that: described manual maintenance make and break device is also
Including being connected to the electric fuse of described high-tension circuit, described temperature detect switch (TDS) is disposed proximate to described insurance
Silk.
4. the system as claimed in claim 1, it is characterised in that: described temperature detect switch (TDS) is to reset out
Close, be down to equal to or less than threshold value set in advance at a temperature of described manual maintenance make and break device
During temperature, described temperature detect switch (TDS) closes so that described manual maintenance make and break device is mutual with described high pressure
Lock loop turns on；And
Described control unit is arranged to when described high-voltage interlocking loop forms path make described high pressure
Circuit turn-on.
5. system as claimed in claim 4, it is characterised in that: described temperature detect switch (TDS) is that bimetallic is opened
Close.
6. the system as claimed in claim 1, it is characterised in that: described temperature detect switch (TDS) is to reset
Switch, when the temperature of described manual maintenance make and break device is more than threshold temperature set in advance, described
The permanent disconnection of temperature detect switch (TDS) so that described manual maintenance make and break device and described high-voltage interlocking loop
Permanently disconnect.
7., for a management method for vehicle circuit, described vehicle circuit includes high-tension circuit, high pressure
Interlocking loop and described high-voltage interlocking loop-coupled manual maintenance make and break device and control unit；Described
Method includes:
Sense the temperature of described manual maintenance make and break device；
When the temperature sensing described manual maintenance make and break device is more than threshold temperature set in advance,
Disconnect the electrical connection between described manual maintenance make and break device and described high-voltage interlocking loop；And
When electrical connection between described manual maintenance make and break device and described high-voltage interlocking loop disconnects,
Described control unit disconnects described high-tension circuit.
8. method as claimed in claim 7, it is characterised in that: temperature detect switch (TDS) be can Resetting Switching,
And described method also includes:
It is down to equal to or less than threshold value set in advance at a temperature of described manual maintenance make and break device
During temperature, close described temperature detect switch (TDS) so that described manual maintenance make and break device is mutual with described high pressure
Lock loop turns on；And
When described high-voltage interlocking loop forms path, described control unit makes described high-tension circuit lead
Logical.
9. method as claimed in claim 7, it is characterised in that: temperature detect switch (TDS) be can not Resetting Switching,
And
Institute is disconnected when the temperature of described manual maintenance make and break device is more than threshold temperature set in advance
State temperature detect switch (TDS), to disconnect between described manual maintenance make and break device and described high-voltage interlocking loop
Electrical connection includes: when the temperature of described manual maintenance make and break device is more than threshold temperature set in advance
Time, permanently disconnect described temperature detect switch (TDS), permanently to disconnect described manual maintenance disconnecting dress
Put the electrical connection between described high-voltage interlocking loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410461318.XA CN104192080B (en) | 2014-09-11 | 2014-09-11 | Circuit management system and method of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410461318.XA CN104192080B (en) | 2014-09-11 | 2014-09-11 | Circuit management system and method of vehicle |
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| Publication Number | Publication Date |
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| CN104192080A CN104192080A (en) | 2014-12-10 |
| CN104192080B true CN104192080B (en) | 2017-01-11 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932639A (en) * | 2016-05-30 | 2016-09-07 | 观致汽车有限公司 | Overheat protection system, high voltage system and electric vehicle |
| CN111823864B (en) * | 2019-04-11 | 2022-02-08 | 比亚迪股份有限公司 | High-voltage interlocking detection device and method and vehicle |
| CN111071047B (en) * | 2019-12-25 | 2021-07-02 | 浙江合众新能源汽车有限公司 | Low-cost battery manual service switch |
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| US6422331B1 (en) * | 1999-08-30 | 2002-07-23 | Honda Giken Kogyo Kabushiki Kaisha | Hybrid vehicle |
| CN102498016A (en) * | 2009-09-15 | 2012-06-13 | 本田技研工业株式会社 | Electrically driven vehicle |
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| CN104192080A (en) | 2014-12-10 |
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