CN107664726A - The control method of switching network detecting system and switching network detecting system - Google Patents
The control method of switching network detecting system and switching network detecting system Download PDFInfo
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- CN107664726A CN107664726A CN201610609258.0A CN201610609258A CN107664726A CN 107664726 A CN107664726 A CN 107664726A CN 201610609258 A CN201610609258 A CN 201610609258A CN 107664726 A CN107664726 A CN 107664726A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
This application discloses switching network detecting system and the control method of switching network detecting system.Wherein, an embodiment of switching network detecting system includes：First voltage measurement apparatus, one end are connected with the negative pole of battery pack or capacitor bank, and the other end is directly connected with the first output end, or are connected by switching with the first output end；Second voltage measurement apparatus, one end are connected with the negative pole of battery pack or capacitor bank, and the other end is directly connected with the second output end, or are connected by switching with the second output end；Processor, it is connected with first voltage measurement apparatus and second voltage measurement apparatus, for judging the voltage that first voltage measurement apparatus measures or the voltage that second voltage measurement apparatus is measured whether in the range of pre-setting, if it is not, then it is abnormal to determine that switching network occurs.The embodiment realizes the detection of switching network failure, while detects simple circuit, and reliability is high, strong antijamming capability.
Description
Technical field
The application is related to technical field of electric power, more particularly to the control of switching network detecting system and switching network detecting system
Method processed.
Background technology
Battery pack or capacitor bank are widely used in fields such as communication back-up source, electric automobile, energy-accumulating power stations.And
It is required to use switching network in the voltage measurement of battery pack or capacitor bank and equalization operation.Usual switching network and battery
Each section cell or each capacitor in group or capacitor bank have connection.
The detection of existing switching network mainly by each switch the detection circuit of serial or parallel connection one come real
It is existing.However, the cell or capacitor due to being connected in battery pack or capacitor are relatively more, for example, the battery of electric bus
Group can connect up to hundreds of section cells, therefore when whether each internal switch of detection switch network has abnormality, need
Circuit is largely detected, so causes the volume, cost, complexity of integrated circuit to greatly increase, and it is reliability, anti-interference
Ability is greatly reduced.
The content of the invention
This application provides switching network detecting system, to solve the problems, such as to mention in background technology.
In a first aspect, this application provides a kind of switching network detecting system, the switching network, one end connection battery pack
Or capacitor bank, the other end are output end, for the combination by internal switch, make at least one in battery pack or capacitor bank
Individual battery or capacitor are connected to the output end, and the output end includes the first output end and the second output end, and described first
Output end and the second output end are respectively cathode output end and cathode output end, and the system includes：First voltage measurement apparatus,
One end is connected with the negative pole of battery pack or capacitor bank, and the other end is directly connected with first output end, or by switch with
First output end is connected；Second voltage measurement apparatus, one end are connected with the negative pole of battery pack or capacitor bank, and the other end is straight
Connect and be connected with second output end, or be connected by switching with second output end；Processor, surveyed with the first voltage
Amount device and the second voltage measurement apparatus are connected, for judge voltage that the first voltage measurement apparatus measures or
Whether the voltage that the second voltage measurement apparatus is measured is in the range of pre-setting, if it is not, then determining the switch
Network occurs abnormal.
In certain embodiments, the battery pack or capacitor bank are in series by even number battery or capacitor, each
The positive pole and negative pole of battery or capacitor are connected with the prime internal switch of the switching network, the battery pack or capacitor bank
In adjacent two batteries or the capacitor positive pole and negative pole that are connected with each other, be connected with same prime internal switch, it is and described
The other end of the prime internal switch of the positive pole of battery pack or capacitor bank connection is connected to the second voltage measurement apparatus, with
The other end of switch of the negative pole connection of the battery pack or capacitor bank is connected to the first voltage measurement apparatus, and described
The other end that the prime internal switch of odd number battery or capacitor is separated between the positive pole of battery pack or capacitor bank is connected to institute
First voltage measurement apparatus is stated, the prime with being separated with even number battery or capacitor between the positive pole of the battery pack or capacitor bank
The other end of internal switch is connected to the second voltage measurement apparatus.
In certain embodiments, the system also includes tertiary voltage measurement apparatus, and the tertiary voltage measurement apparatus is used
In the voltage for measuring the output end；And the processor is connected with the tertiary voltage measurement apparatus, the processor is also
The voltage measured for obtaining the tertiary voltage measurement apparatus.
In certain embodiments, the battery pack or capacitor bank are in series by odd number battery or capacitor, each
The positive pole and negative pole of battery or capacitor are connected with the prime internal switch of the switching network, the battery pack or capacitor bank
In adjacent two batteries or the capacitor positive pole and negative pole that are connected with each other, be connected with same prime internal switch, it is and described
The other end of the prime internal switch of the positive pole of battery pack or capacitor bank connection is connected to the first voltage measurement apparatus, with
The other end of switch of the negative pole connection of the battery pack or capacitor bank is connected to the second voltage measurement apparatus, and described
The other end that the prime internal switch of even number battery or capacitor is separated between the positive pole of battery pack or capacitor bank is connected to institute
First voltage measurement apparatus is stated, the prime with being separated with odd number battery or capacitor between the positive pole of the battery pack or capacitor bank
The other end of internal switch is connected to the second voltage measurement apparatus.
In certain embodiments, the switching network also includes rear class internal switch, the rear class internal switch with it is described
Prime internal switch connects, for the prime internal switch to be accessed into cathode output end or cathode output end.
In certain embodiments, the battery pack or capacitor bank are in series by battery or capacitor, each battery or
The positive pole and negative pole of capacitor are connected with the internal switch of the switching network, adjacent two in the battery pack or capacitor bank
The positive pole and negative pole that individual battery or capacitor are connected with each other, are connected with two internal switches, described two internal switches it is another
End is respectively connecting to first voltage measurement apparatus and second voltage measurement apparatus, connects with the positive pole of the battery pack or capacitor bank
The other end of the internal switch connect is connected to the first voltage measurement apparatus, connects with the negative pole of the battery pack or capacitor bank
The other end of the switch connect is connected to the second voltage measurement apparatus.
In certain embodiments, the processor is additionally operable to after determining that exception occurs in the switching network, is opened described in control
The internal switch for closing network is all off.
In certain embodiments, the scope is according to each electricity in the battery pack or capacitor bank measured in advance
The overcharging of each battery or capacitor, overdischarge pressure are set in pond or the voltage of capacitor, or battery pack or capacitor bank.
In certain embodiments, the processor is connected by network with remote server, and the remote server is used for
Obtain the information for being used to represent that the switching network appearance to be abnormal that the processor is sent.
Second aspect, this application provides a kind of control method of switching network detecting system, methods described includes：Control
Switch closure between the battery of the output end or the negative pole of capacitor and the first voltage measurement apparatus, with
Obtain the output end that the first voltage measurement apparatus is measured battery or capacitor negative pole with
Voltage between the negative pole of the battery pack or capacitor bank；Judge whether is voltage that the first voltage measurement apparatus measures
In the battery of the predetermined output end or the negative pole of capacitor and the battery pack or capacitor bank
Negative pole between voltage in the range of；If it is not, then it is abnormal to determine that the switching network occurs.
In certain embodiments, the battery or capacitor of the output end, is followed successively by the battery pack
Or in capacitor bank, each battery or electricity from closest to the battery or capacitor of the battery pack or the negative pole of capacitor bank
Container；And it is described judge voltage that the first voltage measurement apparatus measures whether it is predetermined it is described it is to be connected extremely
In the range of voltage between the battery of the output end or the negative pole of capacitor and the battery pack or the negative pole of capacitor bank,
Also include：If it is, the battery of the control output end or the positive pole of capacitor and the second voltage
Switch closure between measurement apparatus, to obtain the output end that the second voltage measurement apparatus measures
Voltage between battery or the positive pole and the battery pack or the negative pole of capacitor bank of capacitor；Judge the second voltage measurement
The voltage that measurement device goes out whether the predetermined output end battery or capacitor positive pole with
In the range of voltage between the negative pole of the battery pack or capacitor bank；If it is not, then it is different to determine that the switching network occurs
Often；If it is, the battery of the output end or capacitor are connected into the output end, pass through described
Three voltage measuring apparatus measure the voltage of the output end.
In certain embodiments, the negative pole of the battery of the output end or capacitor and the battery pack
Or the scope and the battery of the output end or the positive pole of capacitor of the voltage between the negative pole of capacitor bank
The scope of voltage between the battery pack or the negative pole of capacitor bank is according to the overcharging of battery or capacitor, overdischarge pressure
And the tertiary voltage measurement apparatus measures the voltage determination of the output end.
The switching network detecting system that the application provides, pass through first voltage measurement apparatus and second voltage measurement apparatus
Set, realize the detection of switching network failure, while detect simple circuit, reliability is high, strong antijamming capability.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is to can apply to exemplary system architecture figure therein according to the application；
Fig. 2 is a structural representation according to the embodiment of the switching network detecting system of the application；
Fig. 3 A, Fig. 3 B, Fig. 3 C, Fig. 3 D are another structures according to the embodiment of the switching network detecting system of the application
Schematic diagram；
Fig. 4 is another structural representation according to the embodiment of the switching network detecting system of the application；
Fig. 5 is a schematic diagram according to the application scenarios of the switching network detecting system of the application；
Fig. 6 is the flow chart according to one embodiment of the control method of the switching network detecting system of the application；
Fig. 7 is adapted for the structural representation of the processor of the switching network detecting system for realizing the embodiment of the present application.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Be easy to describe, illustrate only in accompanying drawing to about the related part of invention.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 shows the exemplary system architecture 100 for the embodiment that can apply the switching network detecting system of the application.
As shown in figure 1, system architecture 100 can include being provided with the equipment 101 of battery pack or capacitor bank, network 102,
Server 103.Network 102 between equipment 101 and server 103 provide communication link medium.Network 102 can wrap
Include various connection types, such as wired, wireless communication link or fiber optic cables etc..
Equipment 101 can be communication back-up source, electric automobile, electric automobile charging pile, energy-accumulating power station etc..
Server 103 can be the server analyzed information and recorded, such as switching network in equipment 101 is examined
The abnormal information for the switching network that examining system is sent is analyzed and recorded, and generation includes position or the numbering letter of the equipment of exception
The prompting message of breath, the remote management of switching network is realized with this.Server 103 can be used for issuing to control device 101
The voltage of each battery or capacitor in battery pack or capacitor bank measure in advance or extrapolating.In addition, server 103 is also
It can directly send and instruct to equipment 101, the processor in control device 101 carries out the detection operation of switching network.
It should be noted that each part for the switching network detecting system that the embodiment of the present application is provided typically divides
It is not arranged in equipment 101, correspondingly, the control method of switching network detecting system is typically performed by equipment 101.
It should be understood that the number of the equipment, network and server in Fig. 1 is only schematical., can according to needs are realized
With with any number of equipment, network and server.
With continued reference to Fig. 2, Fig. 2 shows the structural representation of one embodiment of switching network detecting system.Switch net
Network 201, one end connection battery pack or capacitor bank 202, the other end are output end 203, for the combination by internal switch, are made
At least one battery or capacitor in battery pack or capacitor bank 202 are connected to output end 203, and output end 203 includes first
Output end and the second output end, the first output end and the second output end are respectively cathode output end and cathode output end, this implementation
The switching network detecting system 200 of example includes：First voltage measurement apparatus 204, one end and battery pack or capacitor bank 202 it is negative
Extremely it is connected, the other end is directly connected with the first output end, or is connected by switching with the first output end；Second voltage measurement apparatus
205, one end is connected with the negative pole of battery pack or capacitor bank 202, and the other end is directly connected with the second output end, or passes through switch
It is connected with the second output end；Processor (not shown), with first voltage measurement apparatus 204 and second voltage measurement apparatus
205 are connected, for judging voltage that first voltage measurement apparatus 204 measures or second voltage measurement apparatus 205 measures
Whether voltage is in the range of pre-setting, if it is not, then determining that exception occurs in switching network 201.Processor can be one
For the comparator of comparison voltage size, or other PLDs and microcomputer.
In the present embodiment, processor can be by common wireless connection or wired connection mode with being used for controlling switch
The controller of the internal switch opening and closing of network 201, first voltage measurement apparatus 204 and second voltage measurement apparatus 205 are connected.
In the present embodiment, output end 203 can be connected to each electricity in detection and balancing battery group or capacitor bank
The device of the electricity of pond or capacitor, or the device of the health status (SOH) for detecting battery or capacitor.
In some optional implementations of the present embodiment, system also includes tertiary voltage measurement apparatus (not shown),
The tertiary voltage measurement apparatus is used for the voltage for measuring the output end 203；And the processor and the tertiary voltage
Measurement apparatus connects, and the processor is additionally operable to obtain the voltage that the tertiary voltage measurement apparatus is measured.It is determined that being used for
A battery or capacitor in battery pack or capacitor bank 202, or multiple adjacent batteries or capacitor are connected to output end
Internal switch it is normal after, it can be connected to output end by above-mentioned internal switch, be measured by tertiary voltage measurement apparatus
Go out its real voltage.Processor can be further determined that including said one battery or capacitor by the real voltage measured,
Or the voltage range of the multiple batteries or capacitor of multiple adjacent batteries or capacitor.
In some optional implementations of the present embodiment, above range is according to the battery pack or electricity measured in advance
The voltage of each battery or capacitor in container group 202, or the overcharging of each battery or capacitor in battery pack or capacitor bank,
Overdischarge pressure is set.When the scope pre-set is 202 normal work of switching network, first voltage measurement apparatus 204 or the
The scope for the voltage that two voltage measuring apparatus 205 should be measured, for example, the both ends of first voltage measurement apparatus 204 are respectively connecting to
The both positive and negative polarity of a certain section cell, the virtual voltage of the section cell is that first voltage measurement apparatus 204 should be measured
Voltage.The voltage of the section cell can be measured in advance, determine that first voltage measurement apparatus 204 should be measured with this
Voltage, also can according to the overcharging of the section cell is obtained ahead of time, overdischarge pressure determines that first voltage measurement apparatus 204 should be surveyed
The voltage measured.The electrically operated record of charge and discharge can also be carried out according to an Initial Voltage Value and then to this battery or capacitor
Estimate the now virtual voltage of the battery or capacitor.For example, the voltage for measuring the section cell in advance is 2.0V, in advance
The error of setting is no more than 0.1V, then the scope for the voltage that first voltage measurement apparatus 204 should be measured be 1.9V~
2.1V；If the overcharged voltage of the section cell is 4V, overdischarge pressure is 1V, and the error pre-set is no more than 0.1V, that
The scope for the voltage that first voltage measurement apparatus 204 should be measured is 0.9V~4.1V.
In some optional implementations of the present embodiment, battery pack or capacitor bank 202 are by even number battery or electricity
Container is in series, and the positive pole and negative pole of each battery or capacitor are connected with the prime internal switch of switching network 201, battery
The positive pole and negative pole that two adjacent batteries or capacitor are connected with each other in group or capacitor bank 202, are connected with same prime
Internal switch, the other end for the prime internal switch being connected with the positive pole of battery pack or capacitor bank 202 are connected to second voltage
Measurement apparatus 205, the other end for the switch being connected with the negative pole of battery pack or capacitor bank 202 are connected to first voltage measurement dress
Put 204, be separated between the positive pole of battery pack or capacitor bank 202 odd number battery or capacitor prime internal switch it is another
End is connected to first voltage measurement apparatus 204, with being separated with even number battery or electric capacity between the positive pole of battery pack or capacitor bank 202
The other end of the prime internal switch of device is connected to second voltage measurement apparatus 205.
As shown in Figure 3A, if the cell being connected in series in battery pack is even number, to battery or capacitor
(2m) is measured or the operation such as equilibrium, then needs closure switch S (2n), S (2n-1), SE1 and SO0, cathode output end and electricity
The positive pole of pond or capacitor (2m) connects, and cathode output end connects with the negative pole of battery or capacitor (2m), to cathode output end
Carried out between cathode output end voltage measurement or charge and discharge be exactly battery or capacitor (2m) are carried out voltage measurement or fill,
Electric discharge.Now, the voltage that first voltage measurement apparatus 204 measures is battery or capacitor (2m) Anode and battery group or capacitor
Voltage between group negative pole, the voltage that second voltage measurement apparatus 205 measures is exactly battery or capacitor (2m-1) positive pole and electricity
Voltage between pond group or capacitor bank negative pole, the electricity that first voltage measurement apparatus 204 measures with second voltage measurement apparatus 205
The difference of pressure is the voltage of battery or capacitor (2m).To be measured to battery or capacitor (2m-1) or the operation such as equilibrium,
Then need closure switch S (2n-1), S (2n-2), SO1 and the positive pole of SE0, cathode output end and battery or capacitor (2m-1)
Connection, cathode output end connects with the negative pole of battery or capacitor (2m-1), to entering between cathode output end and cathode output end
Row voltage measurement or charge and discharge are exactly to carry out voltage measurement or charge and discharge to battery or capacitor (2m-1).Now, the second electricity
The voltage that pressure measuring device 205 measures is the electricity between battery or capacitor (2m-1) Anode and battery group or capacitor bank negative pole
Pressure, the voltage that first voltage measurement apparatus 204 measures is exactly battery or capacitor (2m-2) Anode and battery group or capacitor bank
Voltage between negative pole, the difference in voltage that first voltage measurement apparatus 204 and second voltage measurement apparatus 205 measure be battery or
The voltage of capacitor (2m-1).The mode of operation of other cells is by that analogy.The principle of structure shown in Fig. 3 C and Fig. 3 A classes
Seemingly.
In some optional implementations of the present embodiment, battery pack or capacitor bank 202 are by odd number battery or electricity
Container is in series, and the positive pole and negative pole of each battery or capacitor are connected with the prime internal switch of switching network 201, battery
The positive pole and negative pole that two adjacent batteries or capacitor are connected with each other in group or capacitor bank 202, are connected with same prime
Internal switch, the other end for the prime internal switch being connected with the positive pole of battery pack or capacitor bank 202 are connected to first voltage
Measurement apparatus 204, the other end for the switch being connected with the negative pole of battery pack or capacitor bank 202 are connected to second voltage measurement dress
Put 205, be separated between the positive pole of battery pack or capacitor bank 202 even number battery or capacitor prime internal switch it is another
End is connected to first voltage measurement apparatus 204, with being separated with odd number battery or electric capacity between the positive pole of battery pack or capacitor bank 202
The other end of the prime internal switch of device is connected to second voltage measurement apparatus 205.
As shown in Figure 3 B, the cell being connected in series in battery pack is odd number, to battery or capacitor (2m+
1) measure or the operation such as equilibrium, then need closure switch S (2n+1), S (2n), SO1 and SE0, cathode output end and battery
Or the positive pole connection of capacitor (2m+1), cathode output end connect with the negative pole of battery or capacitor (2m+1), positive pole are exported
Carried out between end and cathode output end voltage measurement or charge and discharge be exactly to battery or capacitor (2m+1) progress voltage measurement or
Charge and discharge.Now, the voltage that second voltage measurement apparatus 205 measures be battery or capacitor (2m+1) Anode and battery group or
Voltage between capacitor bank negative pole, the voltage that first voltage measurement apparatus 204 measures are exactly battery or capacitor (2m) positive pole
Voltage between battery pack or capacitor bank negative pole, first voltage measurement apparatus 204 measure with second voltage measurement apparatus 205
Difference in voltage be battery or capacitor (2m+1) voltage.To be measured to battery or capacitor (2m) or the behaviour such as equilibrium
Make, then need closure switch S (2n), S (2n-1), SE1 and the positive pole of SO0, cathode output end and battery or capacitor (2m) to connect
Connect, cathode output end connects with the negative pole of battery or capacitor (2m), to carrying out electricity between cathode output end and cathode output end
Pressure measurement or charge and discharge are exactly to carry out voltage measurement or charge and discharge to battery or capacitor (2m).Now, first voltage measures
The voltage that device 204 measures is the voltage between battery or capacitor (2m) Anode and battery group or capacitor bank negative pole, second
The voltage that voltage measuring apparatus 205 measures is exactly between battery or capacitor (2m-1) Anode and battery group or capacitor bank negative pole
Voltage, the difference in voltage that first voltage measurement apparatus 204 and second voltage measurement apparatus 205 measure is battery or capacitor
The voltage of (2m).The mode of operation of other cells is by that analogy.The principle of structure is similar with Fig. 3 B shown in Fig. 3 D.
In some optional implementations of the present embodiment, switching network 201 also includes rear class internal switch, in rear class
Portion's switch is connected with prime internal switch, for prime internal switch to be accessed into cathode output end 203 or cathode output end 203.
As shown in Figure 3A, prime internal switch includes S (0)~S (2n), and rear class internal switch includes the switch that SE and SO take the lead；Such as figure
Shown in 3B, prime internal switch includes S (0)~S (2n+1), and rear class internal switch includes the switch that SE and SO take the lead；Such as Fig. 3 C
Shown, prime internal switch includes S (0)~S (2n), and rear class internal switch includes the switch that SP takes the lead；As shown in Figure 3 D, prime
Internal switch includes S (0)~S (2n+1), and rear class internal switch includes the switch that SP takes the lead.In the course of work of reality, with
Prime internal switch can be neglected compared to the fault rate of rear class internal switch, now by taking Fig. 3 A as an example, can use following method
The failure of detection switch network：
It is possible, firstly, to closure switch S (0), obtains the voltage that second voltage measurement apparatus 205 measures, now second voltage
The voltage that measurement apparatus 205 measures should be 0, if more than the error range of setting, such as 0.1V, then judge abnormality occur,
All switches should be now disconnected, avoid damaging.If not less than the error range of setting, closure switch S (1), first is obtained
The voltage that voltage measuring apparatus 204 measures, now what first voltage measurement apparatus 204 measured is the voltage that voltage is battery (1).
If the overcharged voltage of battery (1) is 4V, overdischarge pressure is 1V, then the voltage that now first voltage measurement apparatus 204 measures should be
In the range of 0.9V~4.1V, if not in this range, there is abnormality in judgement, should now disconnect all switches, avoid
Infringement.If the voltage that the first voltage measurement apparatus 204 measured measures is in the range of 0.9V~4.1V, it is determined that S (0) with
S (1) is working properly.Battery (1) is now connected to by output end 203 by switching network 201, the tertiary voltage measurement dress passed through
Put the voltage for measuring battery (1), if the voltage for measuring battery (1) is 2V, then the voltage range of battery (1) by 0.9V~4.1V more
New is 1.9V~2.1V.
Then, switch S (0), closure switch S (2) can be disconnected, the voltage that now second voltage measurement apparatus 205 measures is
Voltage after battery (1) and battery (2) series connection.Known battery (1) voltage is 2V, and the overcharged voltage of battery (2) is 4V, overdischarge
Press as 1V, it can be deduced that the voltage that now second voltage measurement apparatus 205 measures should be in the range of 2.9V~6.1V, if not existing
Then judge abnormality occur, should now disconnect all switches, avoid damaging.If the second voltage measurement apparatus measured
205 voltages measured are in the range of 2.9V~6.1V, it is determined that working properly.Now can be by switching network 201 by battery (2)
Output end 203 is connected to, the tertiary voltage measurement apparatus passed through measures the voltage of battery (2), if measuring the voltage of battery (2)
For 2V.Switch S (1), closure switch S (3) can be further disconnected, the voltage that now first voltage measurement apparatus 204 measures is
Voltage after battery (1), battery (2) and battery (3) series connection.Known battery (1) voltage is 2V, and battery (2) voltage is 2V, battery
(3) overcharged voltage is 4V, and overdischarge pressure is 1V, it can be deduced that the voltage that now first voltage measurement apparatus 204 measures should be
In the range of 4.9V~8.1V, if not existing, there is abnormality in judgement, should now disconnect all switches, avoid damaging.If
The voltage that the first voltage measurement apparatus 204 measured measures is in the range of 4.9V~8.1V, it is determined that working properly.With such
Push away, the electricity that first voltage measurement apparatus 204, second voltage measurement apparatus 205 measure when can obtain connecting different monomers battery
Pressure should scope.
In addition, the voltage of battery (1) can be also measured again, and closure switch S (0) and S (1), second voltage measurement apparatus 205
The voltage measured is as more than 0.1V, then judged abnormality occur, the voltage that first voltage measurement apparatus 204 measures is not if existed
In the range of 1.9V~2.1V, then judge abnormality occur, should now disconnect all switches, avoid damaging.Now if electricity
Pond (1) by the operation such as charging or equilibrium, voltage due to rising to 2.01V, then the voltage that first voltage measurement apparatus 204 measures
Should scope be changed into 1.91V~2.11V.When measuring the voltage of battery (2) again, closure switch S (1) and S (2), the second electricity
The voltage that pressure measuring device 205 measures then judges abnormality occur, should now disconnected if not in the range of 3.9V~4.1V
All switches, avoid damaging.Now if battery (2) by the operation such as electric discharge or equilibrium, voltage due to dropping to 1.98V, this
When, the voltage after battery (1) and battery (2) series connection is 3.99V, then the voltage that first voltage measurement apparatus 204 measures should
Scope is changed into 3.89V~4.09V.The like, first voltage measurement apparatus 204 when can obtain connecting different monomers battery,
The voltage that second voltage measurement apparatus 205 measures should dynamic scope.
In some optional implementations of the present embodiment, battery pack or capacitor bank 202 are by battery or capacitor string
Connection forms, and the positive pole and negative pole of each battery or capacitor are connected with the internal switch of switching network 201, battery pack or capacitor
The positive pole and negative pole that two adjacent batteries or capacitor are connected with each other in group 202, are connected with two internal switches, two inside
The other end of switch is respectively connecting to first voltage measurement apparatus 204 and second voltage measurement apparatus 205, with battery pack or electric capacity
The other end of the internal switch of the positive pole connection of device group 202 is connected to first voltage measurement apparatus 204, with battery pack or capacitor
The other end of the switch of the negative pole connection of group 202 is connected to second voltage measurement apparatus 205.Specific connected mode refers to Fig. 4.
In some optional implementations of the present embodiment, processor is additionally operable to determine that exception occurs in switching network 201
Afterwards, the internal switch of controlling switch network 201 is all off.Avoided with this after exception occurs in switching network 201 due to short circuit
Equipment is damaged Deng caused by.The switching of active and standby switching network can be also carried out if there is backup circuit breaker network.
In some optional implementations of the present embodiment, processor is connected by network with remote server, remotely
Server be used for obtain processor transmission be used for represent that abnormal information occurs in switching network 201.Remote server is obtaining
To after for representing that abnormal information occurs in switching network 201, to the terminal pushed information of related personnel it can be made to open this
Network is closed to be overhauled.
As shown in figure 5, in some optional implementations of the present embodiment, above-mentioned battery pack or capacitor bank 502 can
To be connected with power supply 501 or load 503, above-mentioned power supply 501 is used to charge to above-mentioned battery pack capacitor bank 502, above-mentioned
Load 503 is used to obtain the electric energy that above-mentioned battery pack or capacitor bank 502 provide.
The switching network detecting system that the application provides, pass through first voltage measurement apparatus 204 and second voltage measurement dress
205 setting is put, realizes the detection of switching network failure, while detects simple circuit, reliability is high, strong antijamming capability.
Below with reference to Fig. 6, it illustrates the implementation of one of the control method of the switching network detecting system according to the application
The flow 600 of example.
Step 601, between the negative pole and first voltage measurement apparatus that control the battery to output end or capacitor to be connected
Switch closure, with the negative pole of the battery or capacitor to be connected to output end that obtains that first voltage measurement apparatus measures with
Voltage between battery pack or the negative pole of capacitor bank.
In the present embodiment, the electronic equipment of the control method operation of switching network detecting system thereon can be various
Processor and controller, such as single-chip microcomputer, programmable logic controller (PLC) (Programmable Logic Controller,
), or other programming devices PLC.In practice, because switching network is likely to occur failure, it is to be connected extremely that processor sends control
The instruction of switch closure between the battery of output end or the negative pole of capacitor and first voltage measurement apparatus may not reach pre-
The effect of phase, the negative pole of the battery or capacitor to be connected to output end that first voltage measurement apparatus is measured and battery pack or
Voltage between the negative pole of capacitor bank, which also just differs, is set to its real voltage.
In the present embodiment, the battery or capacitor to be connected to output end can be any in battery pack or capacitor bank
Individual battery or capacitor, its both positive and negative polarity by the combination of internal switch in switching network be connected to first voltage measurement apparatus and
Second voltage measurement apparatus.Battery or capacitor to be connected to output end can also be that processor determines the battery or capacitor
Electricity is too high or too low, it is necessary to be connected to the battery or capacitor of detection and balancer, or needs to measure its parameter
Battery or capacitor, whether first detection switch network abnormal before detection and balancer is connected to, and can avoid
Due to the failure such as short circuit caused by switching network exception.
Step 602, judge voltage that first voltage measurement apparatus measures whether predetermined to be connected to exporting
In the range of voltage between the battery at end or the negative pole of capacitor and battery pack or the negative pole of capacitor bank, if it is not, then entering
Enter step 603.
In the present embodiment, because switching network there may be failure, control may not up to expected effect in step 601
Fruit, therefore, the electronic equipment that the control method of switching network detecting system is run thereon need to judge first voltage measurement dress
The voltage measured is put whether predetermined to be connected to the battery of output end or the negative pole and battery pack or electricity of capacitor
In the range of voltage between the negative pole of container group, to confirm whether switching network is normal.
In the present embodiment, the negative pole and battery pack or capacitor bank 202 of the battery or capacitor to be connected to output end
Negative pole between the scope of voltage be according to each battery or capacitor in the battery pack or capacitor bank 202 measured in advance
Voltage, or the overcharging of each battery or capacitor, overdischarge pressure determine in battery pack or capacitor bank.Predetermined model
Enclose when being 202 normal work of switching network, what first voltage measurement apparatus 204 or second voltage measurement apparatus 205 should be measured
The scope of voltage, for example, the both ends of first voltage measurement apparatus 204 are respectively connecting to the both positive and negative polarity of a certain section cell, the section
The virtual voltage of cell is the voltage that first voltage measurement apparatus 204 should be measured.The section list can be measured in advance
The voltage of body battery, voltage that first voltage measurement apparatus 204 should be measured is determined with this, also can be according to the section be obtained ahead of time
The overcharging of cell, overdischarge pressure determine the voltage that first voltage measurement apparatus 204 should be measured.Can also be according to an electricity
Press initial value and the electrically operated record estimation of the charge and discharge now reality of the battery or capacitor is then carried out to this battery or capacitor
Border voltage.
In some optional implementations of the present embodiment, the battery or capacitor to be connected to output end, it is followed successively by
In battery pack or capacitor bank, each battery from the battery or capacitor closest to battery pack or the negative pole of capacitor bank or
Capacitor, such as first voltage measurement dress can be judged as the battery (1) shown in Fig. 3 A, battery (2), battery (3) ...
The voltage measured is put whether predetermined to be connected to the battery of output end or the negative pole and battery pack or electricity of capacitor
In the range of voltage between the negative pole of container group, if it is, controlling the battery or capacitor to be connected to output end just
Switch closure between pole and second voltage measurement apparatus, to obtain the extremely output to be connected that second voltage measurement apparatus is measured
Voltage between the battery at end or the positive pole of capacitor and battery pack or the negative pole of capacitor bank；Judge second voltage measurement apparatus
The voltage measured whether predetermined battery or capacitor to be connected to output end positive pole and battery pack or electric capacity
In the range of voltage between the negative pole of device group；If it is not, then it is abnormal to determine that switching network occurs；If it is, will be to be connected
Battery or capacitor to output end are connected to output end, and the voltage of output end is measured by tertiary voltage measurement apparatus.
In some optional implementations of the present embodiment, the negative pole of the battery or capacitor to be connected to output end with
The positive pole of the scope of voltage between battery pack or the negative pole of capacitor bank and the battery or capacitor to be connected to output end with
The scope of voltage between battery pack or the negative pole of capacitor bank is according to the overcharging of battery or capacitor, overdischarge pressure and the
What the voltage of three voltage measuring apparatus measurement output end determined.
Step 603, it is abnormal to determine that switching network occurs.
In the present embodiment, can be true in the electronic equipment of the control method operation of switching network detecting system thereon
Determine after exception occurs in switching network, to carry out the switching of active and standby switching network, send abnormal information by communicator or pass through
The output device output abnormality information of some similar display devices.
By taking Fig. 3 A as an example, specifically it can determine whether switching network exception occurs using following method：
It is possible, firstly, to closure switch S (0), obtains the voltage that second voltage measurement apparatus 205 measures, now second voltage
The voltage that measurement apparatus 205 measures should be 0, if more than the error range of setting, such as 0.1V, then judge abnormality occur,
All switches should be now disconnected, avoid damaging.If not less than the error range of setting, closure switch S (1), first is obtained
The voltage that voltage measuring apparatus 204 measures, now what first voltage measurement apparatus 204 measured is the voltage that voltage is battery (1).
If the overcharged voltage of battery (1) is 4V, overdischarge pressure is 1V, then the voltage that now first voltage measurement apparatus 204 measures should be
In the range of 0.9V~4.1V, if not in this range, there is abnormality in judgement, should now disconnect all switches, avoid
Infringement.If the voltage that the first voltage measurement apparatus 204 measured measures is in the range of 0.9V~4.1V, it is determined that S (0) with
S (1) is working properly.Battery (1) is now connected to by output end 203 by switching network 201, the tertiary voltage measurement dress passed through
Put the voltage for measuring battery (1), if the voltage for measuring battery (1) is 2V, then the voltage range of battery (1) by 0.9V~4.1V more
New is 1.9V~2.1V.
Then, switch S (0), closure switch S (2) can be disconnected, the voltage that now second voltage measurement apparatus 205 measures is
Voltage after battery (1) and battery (2) series connection.Known battery (1) voltage is 2V, and the overcharged voltage of battery (2) is 4V, overdischarge
Press as 1V, it can be deduced that the voltage that now second voltage measurement apparatus 205 measures should be in the range of 2.9V~6.1V, if not existing
Then judge abnormality occur, should now disconnect all switches, avoid damaging.If the second voltage measurement apparatus measured
205 voltages measured are in the range of 2.9V~6.1V, it is determined that working properly.Now can be by switching network 201 by battery (2)
Output end 203 is connected to, the tertiary voltage measurement apparatus passed through measures the voltage of battery (2), if measuring the voltage of battery (2)
For 2V.Switch S (1), closure switch S (3) can be further disconnected, the voltage that now first voltage measurement apparatus 204 measures is
Voltage after battery (1), battery (2) and battery (3) series connection.Known battery (1) voltage is 2V, and battery (2) voltage is 2V, battery
(3) overcharged voltage is 4V, and overdischarge pressure is 1V, it can be deduced that the voltage that now first voltage measurement apparatus 204 measures should be
In the range of 4.9V~8.1V, if not existing, there is abnormality in judgement, should now disconnect all switches, avoid damaging.If
The voltage that the first voltage measurement apparatus 204 measured measures is in the range of 4.9V~8.1V, it is determined that working properly.With such
Push away, the electricity that first voltage measurement apparatus 204, second voltage measurement apparatus 205 measure when can obtain connecting different monomers battery
Pressure should scope.
In addition, the voltage of battery (1) can be also measured again, and closure switch S (0) and S (1), second voltage measurement apparatus 205
The voltage measured is as more than 0.1V, then judged abnormality occur, the voltage that first voltage measurement apparatus 204 measures is not if existed
In the range of 1.9V~2.1V, then judge abnormality occur, should now disconnect all switches, avoid damaging.Now if electricity
Pond (1) by the operation such as charging or equilibrium, voltage due to rising to 2.01V, then the voltage that first voltage measurement apparatus 204 measures
Should scope be changed into 1.91V~2.11V.When measuring the voltage of battery (2) again, closure switch S (1) and S (2), the second electricity
The voltage that pressure measuring device 205 measures then judges abnormality occur, should now disconnected if not in the range of 3.9V~4.1V
All switches, avoid damaging.Now if battery (2) by the operation such as electric discharge or equilibrium, voltage due to dropping to 1.98V, this
When, the voltage after battery (1) and battery (2) series connection is 3.99V, then the voltage that first voltage measurement apparatus 204 measures should
Scope is changed into 3.89V~4.09V.The like, first voltage measurement apparatus 204 when can obtain connecting different monomers battery,
The voltage that second voltage measurement apparatus 205 measures should dynamic scope.
Below with reference to Fig. 7, it illustrates suitable for for realizing the processing of the switching network detecting system of the embodiment of the present application
The structural representation of device.
As shown in fig. 7, processor includes CPU (CPU) 701, it can be according to the journey in storage part 706
Sequence and perform various appropriate actions and processing.CPU 701 is connected with input/output (I/O) interface 703 by bus 702.
I/O interfaces 703 are connected to lower component：Importation 704；Output par, c 705；Storage part including hard disk etc.
706；And the communications portion 707 of the NIC including LAN card, modem etc..Communications portion 707 is via all
Network such as internet performs communication process.
Especially, in accordance with an embodiment of the present disclosure, it may be implemented as computer above with reference to the process of flow chart description
Software program.For example, embodiment of the disclosure includes a kind of computer program product, it includes being tangibly embodied in machine readable
Computer program on medium, the computer program include the program code for being used for the method shown in execution flow chart.
Flow chart in accompanying drawing, it is illustrated that according to the system of the various embodiments of the application, method and computer program product
Architectural framework in the cards, function and operation.At this point, each square frame in flow chart can represent a module,
A part for program segment or code, a part for the module, program segment or code include one or more and are used to realize rule
The executable instruction of fixed logic function.It should also be noted that at some as the function of in the realization replaced, being marked in square frame
Can also be with different from the order marked in accompanying drawing generation.For example, two square frames succeedingly represented can essentially be basic
It is performed in parallel, they can also be performed in the opposite order sometimes, and this is depending on involved function.It is also noted that
The combination of the square frame in each square frame and flow chart in flow chart, the special of function or operation as defined in performing can be used
Hardware based system realize, or can be realized with the combination of specialized hardware and computer instruction.
Present invention also provides a kind of nonvolatile computer storage media, the nonvolatile computer storage media can be with
It is the nonvolatile computer storage media described in above-described embodiment included in device；Can also be individualism, without
The nonvolatile computer storage media being incorporated in terminal.Above-mentioned nonvolatile computer storage media is stored with one or more
Individual program, when one or more of programs are performed by an equipment so that the equipment：Control to be connected to described defeated
The switch closure gone out between the battery at end or the negative pole of capacitor and the first voltage measurement apparatus, to obtain first electricity
The battery for the output end that pressure measuring device is measured or the negative pole of capacitor and the battery pack or electricity
Voltage between the negative pole of container group；Judge voltage that the first voltage measurement apparatus is measured whether in predetermined institute
State the electricity between the battery of the output end or the negative pole of capacitor and the battery pack or the negative pole of capacitor bank
In the range of pressure；If it is not, then it is abnormal to determine that the switching network occurs.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from the inventive concept, carried out by above-mentioned technical characteristic or its equivalent feature
The other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (12)
- A kind of 1. switching network detecting system, it is characterised in that the switching network, one end connection battery pack or capacitor bank, The other end is output end, for the combination by internal switch, makes at least one battery or electricity in battery pack or capacitor bank Container is connected to the output end, and the output end includes the first output end and the second output end, first output end and Two output ends are respectively cathode output end and cathode output end, and the system includes：First voltage measurement apparatus, one end are connected with the negative pole of battery pack or capacitor bank, and the other end is directly defeated with described first Go out end to be connected, or be connected by switching with first output end；Second voltage measurement apparatus, one end are connected with the negative pole of battery pack or capacitor bank, and the other end is directly defeated with described second Go out end to be connected, or be connected by switching with second output end；Processor, it is connected with the first voltage measurement apparatus and the second voltage measurement apparatus, for judging described Whether voltage that the voltage or the second voltage measurement apparatus that one voltage measuring apparatus is measured are measured is pre-setting In the range of, if it is not, then it is abnormal to determine that the switching network occurs.
- 2. system according to claim 1, it is characterised in that the system also includes tertiary voltage measurement apparatus, described Tertiary voltage measurement apparatus is used for the voltage for measuring the output end；AndThe processor is connected with the tertiary voltage measurement apparatus, and the processor is additionally operable to obtain the tertiary voltage measurement The voltage that measurement device goes out.
- 3. system according to claim 1, it is characterised in that the battery pack or capacitor bank are by even number battery or electricity Container is in series, and the positive pole and negative pole of each battery or capacitor are connected with the prime internal switch of the switching network, institute State positive pole and negative pole that two batteries adjacent in battery pack or capacitor bank or capacitor are connected with each other, be connected with it is same before Level internal switch, the other end of the prime internal switch being connected with the positive pole of the battery pack or capacitor bank are connected to described the Two voltage measuring apparatus, the other end for the switch being connected with the negative pole of the battery pack or capacitor bank are connected to first electricity Pressure measuring device, the prime internal switch with being separated with odd number battery or capacitor between the positive pole of the battery pack or capacitor bank The other end be connected to the first voltage measurement apparatus, be separated between the positive pole of the battery pack or capacitor bank even number electricity The other end of the prime internal switch of pond or capacitor is connected to the second voltage measurement apparatus.
- 4. system according to claim 1, it is characterised in that the battery pack or capacitor bank are by odd number battery or electricity Container is in series, and the positive pole and negative pole of each battery or capacitor are connected with the prime internal switch of the switching network, institute State positive pole and negative pole that two batteries adjacent in battery pack or capacitor bank or capacitor are connected with each other, be connected with it is same before Level internal switch, the other end of the prime internal switch being connected with the positive pole of the battery pack or capacitor bank are connected to described the One voltage measuring apparatus, the other end for the switch being connected with the negative pole of the battery pack or capacitor bank are connected to second electricity Pressure measuring device, the prime internal switch with being separated with even number battery or capacitor between the positive pole of the battery pack or capacitor bank The other end be connected to the first voltage measurement apparatus, be separated between the positive pole of the battery pack or capacitor bank odd number electricity The other end of the prime internal switch of pond or capacitor is connected to the second voltage measurement apparatus.
- 5. the system according to Claims 2 or 3, it is characterised in that the switching network also includes rear class internal switch, institute State rear class internal switch to be connected with the prime internal switch, for the prime internal switch to be accessed into cathode output end or negative Pole output end.
- 6. system according to claim 1, it is characterised in that the battery pack or capacitor bank are by battery or capacitor string Connection forms, and the positive pole and negative pole of each battery or capacitor are connected with the internal switch of the switching network, the battery pack or The positive pole and negative pole that two adjacent batteries or capacitor are connected with each other in capacitor bank, are connected with two internal switches, described The other end of two internal switches is respectively connecting to first voltage measurement apparatus and second voltage measurement apparatus, with the battery pack Or the other end of the internal switch of the positive pole connection of capacitor bank is connected to the first voltage measurement apparatus, with the battery pack Or the other end of the switch of the negative pole connection of capacitor bank is connected to the second voltage measurement apparatus.
- 7. according to the system any one of claim 1,2,3,4,6, it is characterised in that the processor is additionally operable to determine After exception occurs in the switching network, control the internal switch of the switching network all off.
- 8. according to the system any one of claim 1,2,3,4,6, it is characterised in that the scope is according to survey in advance The voltage of each battery or capacitor in the battery pack or capacitor bank that measure, or each electricity in battery pack or capacitor bank The overcharging of pond or capacitor, overdischarge pressure is set.
- 9. according to the system any one of claim 1,2,3,4,6, it is characterised in that the processor by network with Remote server connects, and the remote server is used to obtaining that the processor to send is used to represent that the switching network to occur Abnormal information.
- A kind of 10. control method of switching network detecting system as claimed in any one of claims 1-9 wherein, it is characterised in that Methods described includes：Control opening between the battery of the output end or the negative pole of capacitor and the first voltage measurement apparatus Close and close, to obtain the battery or capacitor of the output end that the first voltage measurement apparatus is measured Negative pole and the battery pack or the negative pole of capacitor bank between voltage；Judge voltage that the first voltage measurement apparatus is measured whether in the predetermined output In the range of voltage between the battery at end or the negative pole of capacitor and the battery pack or the negative pole of capacitor bank；If it is not, then it is abnormal to determine that the switching network occurs.
- 11. according to the method for claim 10, it is characterised in that the battery or electric capacity of the output end Device, it is followed successively by the battery pack or capacitor bank, from the battery or electricity closest to the battery pack or the negative pole of capacitor bank The each battery or capacitor that container rises；AndIt is described to judge voltage that the first voltage measurement apparatus is measured whether predetermined described to be connected to described In the range of voltage between the battery of output end or the negative pole of capacitor and the battery pack or the negative pole of capacitor bank, also wrap Include：If it is, the battery of the control output end or the positive pole of capacitor measure with the second voltage Switch closure between device, to obtain the battery for the output end that the second voltage measurement apparatus is measured Or the voltage between the positive pole and the battery pack or the negative pole of capacitor bank of capacitor；Judge the second voltage measurement apparatus The voltage measured whether the battery of the predetermined output end or the positive pole of capacitor with it is described In the range of voltage between battery pack or the negative pole of capacitor bank；If it is not, then it is abnormal to determine that the switching network occurs；Such as Fruit is that the battery of the output end or capacitor then are connected into the output end, passes through the described 3rd electricity Pressure measuring device measures the voltage of the output end.
- 12. according to the method for claim 11, it is characterised in that the battery or electric capacity of the output end The scope of voltage between the negative pole of device and the battery pack or the negative pole of capacitor bank and the output end Battery or capacitor positive pole and the battery pack or the negative pole of capacitor bank between voltage scope be according to battery or What the voltage that the overcharging of capacitor, overdischarge pressure and the tertiary voltage measurement apparatus measure the output end determined.
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| CN201610609258.0A CN107664726A (en) | 2016-07-28 | 2016-07-28 | The control method of switching network detecting system and switching network detecting system |
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| CN201610609258.0A CN107664726A (en) | 2016-07-28 | 2016-07-28 | The control method of switching network detecting system and switching network detecting system |
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Cited By (1)
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