CN107817528A - Battery box cover body state detection circuit and method, battery box and computer readable storage medium - Google Patents
Battery box cover body state detection circuit and method, battery box and computer readable storage medium Download PDFInfo
- Publication number
- CN107817528A CN107817528A CN201711006519.0A CN201711006519A CN107817528A CN 107817528 A CN107817528 A CN 107817528A CN 201711006519 A CN201711006519 A CN 201711006519A CN 107817528 A CN107817528 A CN 107817528A
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- Prior art keywords
- state
- switch
- lid
- battery case
- electric signal
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
Abstract
The embodiment of the invention provides a cover body state detection circuit and method of a battery box, the battery box and a computer readable storage medium, and is applied to the technical field of batteries. In an embodiment of the present invention, a cover state detection circuit of a battery box includes: the switch is arranged on the battery box and used for being in a closed state when a cover body of the battery box is in a covered state and being in an open state when the cover body is not in the covered state; the acquisition circuit is connected to two sides of the switch and used for acquiring electric signals at two ends of the switch; the processing assembly is connected with the acquisition circuit and used for detecting the cover body state of the battery box according to the electric signal acquired by the acquisition circuit, and the cover body state comprises: a closed state or an uncovered state. Therefore, the technical scheme provided by the embodiment of the invention is used for detecting the state of the cover body of the battery box, and the safety risk caused by the fact that the cover body is not covered is reduced.
Description
【Technical field】
The present invention relates to lid state detection circuit and method, the electricity of cell art, more particularly to a kind of battery case
Pond case and computer-readable recording medium.
【Background technology】
The world today, energy crisis are increasingly paid close attention to by the people of various countries in world wide.What orthodox car was relied on
The non-renewable energy resources amount of having such as gasoline, diesel oil is also fewer and fewer, various because the war of energy problem's outburst is also more and more,
The appearance of new-energy automobile can effective alleviating energy crisis, realize sustainable development.And country is to promote new energy energetically
The development of source automobile, a series of new-energy automobile support policies are put into effect, also make it that new-energy automobile development is more and more rapider, newly
Energy automobile is also more and more.And the electrokinetic cell of " heart " as electric automobile, its general voltage surpass all in more than 300V
The safe voltage scope commonly used is gone out, in order to prevent the generation of the dangerous situations such as electric shock, has generally required and detection circuit is being set
Detect the security performance of high-tension circuit.
At present, conventional detection mode is realized by detecting the insulaion resistance of vehicle.Traditional Insulation monitoring electricity
Road, the insulation impedance between high-tension circuit and vehicle body can be normally detected electric on vehicle when, and detect failure
Shi Jinhang fault pre-alarmings or alarm.
But when vehicle is in power-up state, should when the lid that maintenance personal opens battery case is safeguarded
Function cannot effective early warning, larger electric shock risk be present in maintenance personal.
【The content of the invention】
In view of this, the embodiments of the invention provide lid state detection circuit and method, the battery case of a kind of battery case
With computer-readable recording medium, to detect the lid state of battery case, reduce and do not cover state because lid is in and cause
Security risks.
In a first aspect, the embodiments of the invention provide a kind of lid state detection circuit of battery case, including：
Switch, is arranged on battery case, for when the lid of the battery case is covering state, in closure state,
And for when the lid is not covering state, being off；
Acquisition Circuit, the both sides of the switch are connected to, for gathering the electric signal of the switch ends；
Processing component, the Acquisition Circuit is connected to, for the electric signal collected according to the Acquisition Circuit, detects institute
The lid state of battery case is stated, the lid state includes：Cover state or do not cover state.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the collection electricity
Road includes：
Signal sending assembly, one end of the switch is connected to, for sending electric signal to one end of the switch；
Signal acquisition component, it is connected between the other end of the switch and the processing component, in the switch
The other end collection electric signal.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the treatment group
Part is also connected with the signal sending assembly.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the switch
Species includes：Travel switch, proximity switch or mechanical switch.
Second aspect, the embodiments of the invention provide a kind of battery case, including：
Casing；
Lid, the casing are mutually covered with the lid or not covered；
The lid state detection circuit for the battery case that any implementation as described above obtains, is arranged at the casing
And/or in the lid.
A technical scheme in above-mentioned technical proposal has the advantages that：
In the embodiment of the present invention, switched by being set in battery case, when the switch is in closure state, examine battery case
Lid be in cover state；Conversely, when the switch is off, the lid of battery case, which is in, does not cover state；From
And the electric signal of switch ends is gathered by Acquisition Circuit, and then, processing component utilizes the electric signal collected, it is possible to really
The lid of the fixed battery case, which is in, to be covered state or does not cover state, and implementation is simple, and flexibility is higher.Therefore, this hair
The technical scheme that bright embodiment is provided can detect the lid state of battery case, reduce and do not cover state because lid is in and lead
The security risks of cause.
The third aspect, the embodiments of the invention provide a kind of lid condition detection method of battery case, applied to above-mentioned
The lid state detection circuit of battery case, including：
The first electric signal is sent to one end of the switch, and the second electric signal is gathered in the other end of the switch；
According to second electric signal, the open and-shut mode of the switch is determined；
When the switch is in closure state, detects that the lid state of the battery case is in and cover state；
When the switch is off, detects that the lid state of the battery case is in and do not cover state.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, according to described the
Two electric signals, the open and-shut mode of the switch is determined, including：
When second electric signal is consistent with first electric signal, determine that the switch is in closure state；Or
When second electric signal or second electric signal can not be received and first electric signal is inconsistent,
Determine that the switch is off.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, methods described is also
Including：
When the lid state for detecting the battery case, which is in, does not cover state, safety precautions is performed.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, it is described to perform peace
Full guard measure, including at least one of following several ways：
The power output of battery system where limiting the lid state detection circuit of the battery case；
Cut off the connection between the lid state detection circuit of the battery case and high tension loop；
Output alarm signal.
Fourth aspect, the embodiments of the invention provide a kind of computer-readable recording medium, including：Computer is executable to be referred to
Order, when the computer executable instructions are run, perform the lid shape of the battery case of any implementation as described above
State detection method.
A technical scheme in above-mentioned technical proposal has the advantages that：
In the embodiment of the present invention, switched by being set in battery case, when the switch is in closure state, examine battery case
Lid be in cover state；Conversely, when the switch is off, the lid of battery case, which is in, does not cover state；From
And the electric signal of switch ends is gathered by Acquisition Circuit, and then, processing component utilizes the electric signal collected, it is possible to really
The lid of the fixed battery case, which is in, to be covered state or does not cover state, and implementation is simple, and flexibility is higher.Therefore, this hair
The technical scheme that bright embodiment is provided can detect the lid state of battery case, reduce and do not cover state because lid is in and lead
The security risks of cause.
【Brief description of the drawings】
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment one of the lid state detection circuit for the battery case that the embodiment of the present invention is provided
Figure；
Fig. 2 is the structural representation of the embodiment two of the lid state detection circuit for the battery case that the embodiment of the present invention is provided
Figure；
Fig. 3 is the structural representation for the battery case that the embodiment of the present invention is provided；
Fig. 4 is the flow signal of the embodiment one of the lid condition detection method for the battery case that the embodiment of the present invention is provided
Figure；
Fig. 5 is the flow signal of the embodiment two of the lid condition detection method for the battery case that the embodiment of the present invention is provided
Figure.
【Embodiment】
In order to be better understood from technical scheme, the embodiment of the present invention is retouched in detail below in conjunction with the accompanying drawings
State.
It will be appreciated that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
Its embodiment, belongs to the scope of protection of the invention.
The term used in embodiments of the present invention is only merely for the purpose of description specific embodiment, and is not intended to be limiting
The present invention." one kind ", " described " and "the" of singulative used in the embodiment of the present invention and appended claims
It is also intended to including most forms, unless context clearly shows that other implications.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, represent
There may be three kinds of relations, for example, A and/or B, can be represented：Individualism A, while A and B be present, individualism B these three
Situation.In addition, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.
It will be appreciated that though telecommunications may be described using term first, second, third, etc. in embodiments of the present invention
Number, but these electric signals should not necessarily be limited by these terms.These terms are only used for electric signal being distinguished from each other out.For example, do not taking off
In the case of from range of embodiment of the invention, the first electric signal can also be referred to as the second electric signal, similarly, the second electric signal
The first electric signal can also be referred to as.
Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining " or " in response to detection ".Similarly, depending on linguistic context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when it is determined that when " or " in response to determine " or " when the detection (condition of statement
Or event) when " or " in response to detecting (condition or event of statement) ".
It should be noted that the noun of locality such as " on ", " under ", "left", "right" described by the embodiment of the present invention is with accompanying drawing
Shown angle should not be construed as the restriction to the embodiment of the present invention come what is be described.In addition within a context, it is also necessary to manage
Solution, when mentioning an element and being formed on "above" or "below" another element, it can not only be formed directly into another
Individual element " on " or " under ", it can also be indirectly formed by intermediary element another element " on " or " under ".
Caused by not known for the lid state in the presence of prior art due to battery case the problem of electric shock risk,
The embodiments of the invention provide following resolving ideas：A kind of lid state detection circuit of battery case is provided, in the circuit, in electricity
Switch is set in the case of pond, and the open and-shut mode of the switch can characterize the lid state of battery case, so as to pass through the opening and closing to switch
The detection of state, determines whether the lid of battery case has covered.
Under the guiding of the thinking, this programme embodiment provides following feasible embodiment.
Embodiment one
The embodiment of the present invention provides a kind of lid state detection circuit of battery case.
Specifically, Fig. 1 is refer to, the reality of the lid state detection circuit of its battery case provided by the embodiment of the present invention
The structural representation of example one is applied, as shown in figure 1, the circuit includes：
Switch 11, is arranged on battery case, for when the lid of battery case is covering state, in closure state, with
And for when lid is not covering state, being off；
Acquisition Circuit 12, the both sides of switch 11 are connected to, for gathering the electric signal at 11 both ends of switch；
Processing component 13, Acquisition Circuit 12 is connected to, for the electric signal collected according to Acquisition Circuit 12, detects battery
The lid state of case, lid state include：Cover state or do not cover state.
In the embodiment of the present invention, battery case includes casing and lid, and the open and-shut mode and the lid shape of battery case switched
State corresponds.When switch be in closure state, the lid of battery case is in and covers state, it is, lid and casing it
Between the state that covers mutually；Conversely, when switch is off, the lid of battery case, which is in, does not cover state, it is,
Do not covered between casing and lid, now, battery case has electric shock risk.
In the embodiment of the present invention, the embodiment of the present invention is not particularly limited for the installation site between switch and battery case.
In the detection circuit, switch be arranged on battery case in, can be independent be installed in casing, can also be independent be arranged at
In lid, or, the part composition structure of switch can also be respectively set in casing and lid, and by this, at least two parts form knot
Structure forms a switch.
For example, during a concrete implementation, the switch in the detection circuit may be mounted at the casing of battery case
Position that is interior, and being contacted with each other with lid.In this way, when lid and casing mutually cover, switch is enabled to close；Or
When lid does not cover mutually with casing, switch keeping off-state.
Or in another example, during another concrete implementation, the switch in the detection circuit may be mounted at battery
In the lid of case.When lid is with when lid mutually covers with casing, enabling to switch to close；Or when lid not with case
When body covers mutually, switch keeping off-state.
The species of involved switch includes in the embodiment of the present invention：Travel switch, proximity switch or mechanical switch.
When actually realizing this programme, as long as the switch of the lid state of battery case can be characterized by the open and-shut mode of switch, at this
Within the scope of inventive embodiments are protected.
Based on the switch set in battery case, it is only necessary to the open and-shut mode of detection switch, it is possible to determine battery case
Lid state.
During a concrete implementation, Fig. 2 is refer to, the lid of its battery case provided by the embodiment of the present invention
The structural representation of the embodiment two of state detection circuit, as shown in Fig. 2 the Acquisition Circuit 12 in the circuit includes：
Signal sending assembly 121, one end of switch 11 is connected to, for sending electric signal to one end of switch 11；
Signal acquisition component 122, it is connected between the other end and processing component 13 of switch 11, in the another of switch 11
One end gathers electric signal.
In the embodiment of the present invention, based on detection circuit as shown in Figure 2, processing component 13 is needed according to signal acquisition group
The electric signal that part 122 collects, it is possible to it is determined that the open and-shut mode of switch 11, so as to also be assured that the lid of battery case
State.
Specifically, if switch 11 be in closure state, time between signal sending assembly 121 and signal acquisition component 122
Road is conducting state, and therefore, if signal acquisition component 122 collects effective electric signal, processing component 13 can determine out
Close 11 and be in closure state；It is, determining that the lid of battery case is in covers state.
If it is off conversely, switching 11, the loop between signal sending assembly 121 and signal acquisition component 122
Open circuit, signal acquisition component 122 can not collect effective electric signal, then processing component 13 can determine switch 11 in disconnection
State；It is, determining that the lid of battery case is in covers state.
In the embodiment of the present invention, the frequency of electric signal and the type of the electric signal of transmission are sent for signal sending assembly
It is not particularly limited.
One it is feasible realize this programme during, signal sending assembly could be arranged to continue externally to export a certain
Default electric signal, now, signal sending assembly is unnecessary is connected with processing component for this, can also realize the lid to battery case
The detection of state.
During another concrete implementation this programme, processing component is also connected with signal sending assembly, now, letter
Number sending assembly can send electric signal according to the instruction of processing component, save the unnecessary wasting of resources.
In the embodiment of the present invention, processing component can be a single process chip, or, it can also be integrated in existing
Other electrical parts in process chip realize, for example, the processing component can be integrated in battery management system (Battery
Management System, BMS) in realize.
Based on this, switch can be arranged on electricity by the lid state detection circuit for the battery case that the embodiment of the present invention is provided
In the case of pond, and Acquisition Circuit and processing component are integrated in BMS.
Or the lid state detection circuit based on battery case set forth above, the embodiment of the present invention additionally provide one kind
Battery case.
Fig. 3 is refer to, the structural representation of its battery case provided by the embodiment of the present invention, as shown in figure 3, the battery
Case includes：
Casing 31；
Lid 32, casing 31 are mutually covered with lid 32 or not covered；
The lid state detection circuit 33 for the battery case that any implementation as described above obtains, is arranged at casing 31
And/or in lid 32.
For the ease of stating, in battery case as shown in Figure 3, the lid state detection circuit 33 of battery case is arranged at casing
In 31.A kind of it is understood that feasible reality for the battery case that battery case as shown in Figure 3 is provided by the embodiment of the present invention
Existing mode, not limiting the application.
The technical scheme of the embodiment of the present invention has the advantages that：
In the embodiment of the present invention, switched by being set in battery case, when the switch is in closure state, examine battery case
Lid be in cover state；Conversely, when the switch is off, the lid of battery case, which is in, does not cover state；From
And the electric signal of switch ends is gathered by Acquisition Circuit, and then, processing component utilizes the electric signal collected, it is possible to really
The lid of the fixed battery case, which is in, to be covered state or does not cover state, and implementation is simple, and flexibility is higher.Therefore, this hair
The technical scheme that bright embodiment is provided can detect the lid state of battery case, reduce and do not cover state because lid is in and lead
The security risks of cause.
Embodiment two
The lid state detection circuit of the battery case provided based on above-described embodiment one, the embodiments of the invention provide one
The lid condition detection method of kind battery case, applied to the lid state detection circuit including battery case as shown in Figure 1.
Specifically, Fig. 4 is refer to, the reality of the lid condition detection method of its battery case provided by the embodiment of the present invention
The schematic flow sheet of example one is applied, as shown in figure 4, this method includes：
S401, the first electric signal is sent to one end of switch, and the second electric signal is gathered in the other end of switch.
S402, according to the second electric signal, it is determined that the open and-shut mode of switch.
S403A, when switch is in closure state, detects that the lid state of battery case is in and cover state.
S403B, when switch is off, detects that the lid state of battery case is in and do not cover state.
During a concrete implementation, according to the second electric signal, it is determined that the open and-shut mode switched, including：
When the second electric signal is consistent with the first electric signal, it is determined that switch is in closure state；Or
When the second electric signal and inconsistent the first electric signal that can not be received the second electric signal or receive, it is determined that
Switch is off.
Wherein, if switch is off, it is also possible to receive faint electric signal, now, there is second
The inconsistent situation of the intensity of the intensity of electric signal and the first electric signal, therefore, in the embodiment of the present invention, when detecting the second electricity
When signal and inconsistent the first electric signal, determine that the switch is off.
Based on above-mentioned steps, it may be determined that the lid state of battery case, in order to further reduce at the lid of battery case
The security risk brought when state is not covered, in the embodiment of the present invention, this method can also include：
When the lid state for detecting battery case, which is in, does not cover state, safety precautions is performed.
Wherein, safety precautions, including at least one of following several ways are performed：
The power output of battery system where limiting the lid state detection circuit of battery case；
Cut off the connection between the lid state detection circuit of battery case and high tension loop；
Output alarm signal.
Based on this, Fig. 5 is refer to, the lid condition detection method of its electric battery case provided by the embodiment of the present invention
The schematic flow sheet of embodiment two, as shown in figure 5, this method includes：
S501, the first electric signal is sent to one end of switch, and the second electric signal is gathered in the other end of switch.
S502, if detect the second electric signal；If so, perform S503；If it is not, perform S504.
S503, judge whether the second electric signal is consistent with the first electric signal, if so, performing S508；If it is not, perform S504.
S504, detect that the lid of battery case is in and do not cover state.
S505, the power output of vehicle where limitation battery case.
S506, on the premise of vehicle safety is ensured, disconnect the connection with high tension loop.
S507, output alarm signal.
S508, detect that the lid of battery case is in and cover state.
The embodiment of the present invention additionally provides a kind of computer-readable recording medium, including：Computer executable program, work as meter
When calculation machine executable program is run, the lid condition detection method for the battery case that any of the above-described kind of implementation obtains is performed.
The part that the present embodiment is not described in detail, refer to the related description to Fig. 1.
The technical scheme of the embodiment of the present invention has the advantages that：
In the embodiment of the present invention, switched by being set in battery case, when the switch is in closure state, examine battery case
Lid be in cover state；Conversely, when the switch is off, the lid of battery case, which is in, does not cover state；From
And the electric signal of switch ends is gathered by Acquisition Circuit, and then, processing component utilizes the electric signal collected, it is possible to really
The lid of the fixed battery case, which is in, to be covered state or does not cover state, and implementation is simple, and flexibility is higher.Therefore, this hair
The technical scheme that bright embodiment is provided can detect the lid state of battery case, reduce and do not cover state because lid is in and lead
The security risks of cause.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided by the present invention, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, only a kind of division of logic function, can there is other dividing mode, for example, multiple units or group when actually realizing
Part can combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown
Or the mutual coupling discussed or direct-coupling or communication connection can be by some interfaces, device or unit it is indirect
Coupling or communication connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are causing a computer
It is each that device (can be personal computer, server, or network equipment etc.) or processor (Processor) perform the present invention
The part steps of embodiment methods described.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. it is various
Can be with the medium of store program codes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the invention with principle.
Claims (10)
- A kind of 1. lid state detection circuit of battery case, it is characterised in that including：Switch, is arranged on battery case, for when the lid of the battery case is covering state, in closure state, and, For when the lid is not covering state, being off；Acquisition Circuit, the both sides of the switch are connected to, for gathering the electric signal of the switch ends；Processing component, the Acquisition Circuit is connected to, for the electric signal collected according to the Acquisition Circuit, detects the electricity The lid state of pond case, the lid state include：Cover state or do not cover state.
- 2. circuit according to claim 1, it is characterised in that the Acquisition Circuit includes：Signal sending assembly, one end of the switch is connected to, for sending electric signal to one end of the switch；Signal acquisition component, it is connected between the other end of the switch and the processing component, in the another of the switch One end gathers electric signal.
- 3. circuit according to claim 2, it is characterised in that the processing component also connects with the signal sending assembly Connect.
- 4. circuit according to claim 1, it is characterised in that the species of the switch includes：Travel switch, proximity switch Or mechanical switch.
- A kind of 5. battery case, it is characterised in that including：Casing；Lid, the casing are mutually covered with the lid or not covered；The lid state detection circuit of battery case as described in any one of Claims 1-4, it is arranged at the casing and/or institute State in lid.
- 6. the lid condition detection method of a kind of battery case, it is characterised in that applied to including battery as claimed in claim 1 The lid state detection circuit of case, including：The first electric signal is sent to one end of the switch, and the second electric signal is gathered in the other end of the switch；According to second electric signal, the open and-shut mode of the switch is determined；When the switch is in closure state, detects that the lid state of the battery case is in and cover state；When the switch is off, detects that the lid state of the battery case is in and do not cover state.
- 7. according to the method for claim 6, it is characterised in that according to second electric signal, determine opening for the switch Closed state, including：When second electric signal is consistent with first electric signal, determine that the switch is in closure state；OrWhen second electric signal or second electric signal can not be received and first electric signal is inconsistent, it is determined that The switch is off.
- 8. according to the method for claim 6, it is characterised in that methods described also includes：When the lid state for detecting the battery case, which is in, does not cover state, safety precautions is performed.
- 9. according to the method for claim 8, it is characterised in that the execution safety precautions, including following several sides At least one of formula：The power output of battery system where limiting the lid state detection circuit of the battery case；Cut off the connection between the lid state detection circuit of the battery case and high tension loop；Output alarm signal.
- A kind of 10. computer-readable recording medium, it is characterised in that including：Computer executable program, when the computer can When configuration processor is run, the lid condition detection method of the battery case as described in any one of claim 6 to 9 is performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006519.0A CN107817528A (en) | 2017-10-25 | 2017-10-25 | Battery box cover body state detection circuit and method, battery box and computer readable storage medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006519.0A CN107817528A (en) | 2017-10-25 | 2017-10-25 | Battery box cover body state detection circuit and method, battery box and computer readable storage medium |
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| CN107817528A true CN107817528A (en) | 2018-03-20 |
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| CN201711006519.0A Pending CN107817528A (en) | 2017-10-25 | 2017-10-25 | Battery box cover body state detection circuit and method, battery box and computer readable storage medium |
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| CN111740180A (en) * | 2020-06-30 | 2020-10-02 | 上海瓶安新能源科技有限公司 | Battery box illegal opening monitoring device based on photoelectric switch |
| CN111740182A (en) * | 2020-06-30 | 2020-10-02 | 上海瓶安新能源科技有限公司 | Battery box illegal opening monitoring device based on permanent magnet |
| CN111740181A (en) * | 2020-06-30 | 2020-10-02 | 上海瓶安新能源科技有限公司 | Illegal opening monitoring device for battery box |
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| CN111740180A (en) * | 2020-06-30 | 2020-10-02 | 上海瓶安新能源科技有限公司 | Battery box illegal opening monitoring device based on photoelectric switch |
| CN111740182A (en) * | 2020-06-30 | 2020-10-02 | 上海瓶安新能源科技有限公司 | Battery box illegal opening monitoring device based on permanent magnet |
| CN111740181A (en) * | 2020-06-30 | 2020-10-02 | 上海瓶安新能源科技有限公司 | Illegal opening monitoring device for battery box |
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