CN106842048B - The capacity check method system of elevator emergency power supply and elevator emergency power supply - Google Patents
The capacity check method system of elevator emergency power supply and elevator emergency power supply Download PDFInfo
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- CN106842048B CN106842048B CN201710049990.1A CN201710049990A CN106842048B CN 106842048 B CN106842048 B CN 106842048B CN 201710049990 A CN201710049990 A CN 201710049990A CN 106842048 B CN106842048 B CN 106842048B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
- G01R31/379—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator for lead-acid batteries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
Abstract
The present invention relates to the capacity check method systems of a kind of elevator emergency power supply and elevator emergency power supply, its elevator emergency power supply includes charge circuit, battery, control and signal acquisition module, discharge loop, loop switch module and signal output module, control and signal acquisition module obtain the current identification information of battery, and inquire discharge target electric current corresponding with current identification information and discharge target time, discharge loop and battery are connected control loop switching module, partial discharge is carried out to battery according to discharge target electric current and discharge target time control discharge loop, the current open circuit voltage value of current temperature value and battery is measured at the end of partial discharge, according to current open circuit voltage, current temperature value and battery capacity attenuation curve corresponding with current identification information obtain the capability value of battery；The capability value that signal output module exports.Using the present invention program, human cost can be saved and can be adapted for the capacity check of different types of battery.
Description
Technical field
The present invention relates to elevator technology fields, more particularly to the capacity of a kind of elevator emergency power supply and elevator emergency power supply
Detection method system.
Background technique
Emergency power supply is can to provide the independent current source dress of short-duration power to user load in normal power supply power interruptions
It sets, its main body is battery.The amount of capacity of battery determines the emergency ability of emergency power supply.But it actually used
Cheng Zhong, due to the influence (such as using time, environment temperature, charge and discharge number) of use environment, battery will appear different journeys
The aging of degree, leads to internal resistance increase, the capacity attenuation of battery, to influence power supply emergency ability, shortens emergency
Time.Some battery agings to a certain extent when, be not able to satisfy the work of load substantially, such case may be brought serious
Consequence, especially certain important load scenarios may bring the terrified or even injures and deaths of personnel.
In view of the above-mentioned problems, traditional coping style is to judge that emergency power supply whether can by regularly personnel inspection
It works normally, but this mode needs to consume more human cost.
Summary of the invention
The purpose of the present invention is to provide the capacity check method system of a kind of elevator emergency power supply and elevator emergency power supply,
Human cost can be saved.
The purpose of the present invention is achieved through the following technical solutions:
According to the first aspect of the invention, a kind of elevator emergency power supply, including charge circuit and battery are provided, further include
Control and signal acquisition module, discharge loop, loop switch module and signal output module, the loop switch module connect respectively
Connect the charge circuit, the battery, the control and signal acquisition module and the discharge loop, the control and signal
Acquisition module is also respectively connected with the discharge loop, the battery and the signal output module；
The control and signal acquisition module are used to obtain the current identification information of the battery, according to preset mark
The corresponding relationship of information and electric discharge strategy inquires present discharge strategy corresponding with the current identification information, the present discharge
Strategy includes discharge target electric current and discharge target time, by controlling the loop switch module for the discharge loop and institute
State battery conducting, according to the discharge target electric current and discharge target time control the discharge loop to the battery into
Row partial discharge operation, the current open circuit electricity of measurement current temperature value and battery at the end of partial discharge operation
Pressure value decays the current open circuit voltage and current temperature value battery capacity corresponding with the current identification information bent
Line is compared, and obtains the capability value of the battery；
The capability value that the signal output module is used to export the control and signal acquisition module obtains.
According to the second aspect of the invention, a kind of capacity check method of elevator emergency power supply, the elevator emergency are provided
Power supply includes battery and charge circuit, which is characterized in that the elevator emergency power supply further includes discharge loop, the battery
It is changeable to connect the charge circuit or the discharge loop, which comprises
The current identification information for obtaining the battery is looked into according to the corresponding relationship of preset identification information and electric discharge strategy
Present discharge strategy corresponding with the current identification information is ask, the present discharge strategy includes discharge target electric current and target
Discharge time；
The battery is switched to and is connected with the discharge loop, when according to the discharge target electric current and discharge target
Between control the discharge loop to the battery carry out partial discharge operation, the partial discharge operation at the end of measurement work as
The current open circuit voltage value of preceding temperature value and the battery, by the current open circuit voltage and the current temperature value with it is described
The corresponding battery capacity attenuation curve of current identification information is compared, and obtains the capability value of the battery.
By above technical scheme as it can be seen that the present invention program in elevator emergency power supply by adding discharge loop, and can be certainly
The dynamic capacity situation for judge battery in elevator emergency power supply, can save human cost, meanwhile, preset identification information and
Discharge tactful corresponding relationship, selects different electric discharge strategies according to for different types of battery, enhances the suitable of scheme
Use range.
Detailed description of the invention
Fig. 1 is the composed structure schematic diagram of the elevator emergency power supply in one embodiment；
Fig. 2-a, Fig. 2-b and Fig. 2-c are the three kinds of refinement composed structures and connection relationship diagram of discharge loop in Fig. 1；
Fig. 3 is that the loop switch module in Fig. 1 refines composed structure and connection relationship signal in one of the embodiments
Figure；
Fig. 4 is that the charge circuit in Fig. 1 refines composed structure and connection relationship diagram in one of the embodiments；
Fig. 5 is the composed structure schematic diagram of the elevator emergency power supply in another embodiment；
Fig. 6 is the implementation process schematic diagram of the capacity check method of the elevator emergency power supply in one embodiment.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, with reference to the accompanying drawings and embodiments, to this
Invention is described in further detail.It should be appreciated that the specific embodiments described herein are only used to explain the present invention,
And the scope of protection of the present invention is not limited.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " or " it include one or more
Any and all combinations of relevant listed item.
As shown in Figure 1, in one embodiment, providing a kind of elevator emergency power supply, shown in Figure 1, the embodiment
In elevator emergency power supply include charge circuit 101 and battery 102, further include control and signal acquisition module 103, discharge back
Road 104, loop switch module 105 and signal output module 106, loop switch module 105 are separately connected charge circuit 101, store
Battery 102, control and signal acquisition module 103 and discharge loop 104, control and signal acquisition module 103 are also respectively connected with and put
Electrical circuit 104, battery 102 and signal output module 106；
Control and signal acquisition module 103 are used to obtain the current identification information of battery 102, are believed according to preset mark
The corresponding relationship of breath and electric discharge strategy inquires present discharge strategy corresponding with current identification information, and present discharge strategy includes mesh
Discharge current and discharge target time are marked, discharge loop 104 and battery 102 are connected by control loop switching module 105,
Partial discharge operation is carried out to battery 102 according to discharge target electric current and discharge target time control discharge loop 104, in portion
The current open circuit voltage value that current temperature value and battery 102 are measured at the end of dividing discharge operation, by current open circuit voltage and works as
Preceding temperature value battery capacity attenuation curve corresponding with current identification information is compared, and obtains the capability value of battery 102；
The capability value that signal output module 106 is used to export control and signal acquisition module 103 obtains.
Wherein, the current ambient temperature value of current temperature value, the i.e. temperature value of elevator emergency power supply current environment.
Wherein, the type of battery includes: lead-acid battery, Li-ion batteries piles, nickel-metal hydride battery group etc., and various types of
Battery has different capacity to distinguish again, and different marks is respectively provided with for the battery of different type or different capabilities
Information (ID, identification).For example, the identification information for the lead-acid battery that capability value is A is ID1, capability value is the lead of B
The identification information of sour battery is ID2, and the identification information for the Li-ion batteries piles that capability value is C is ID3, the lithium that capability value is D from
The identification information of sub- battery pack is ID4, and the identification information for the Li-ion batteries piles that capability value is E is ID5, and capability value is the nickel of F
The identification information of hydrogen battery group is ID6, wherein two kinds of capability values A, B of lead-acid battery, three kinds of capacity with Li-ion batteries piles
Value C, D, E and a kind of capability value F of nickel-metal hydride battery group can be equal or differ, as A can be equal to appointing in C, D, E, F
Meaning one, can also be unequal with C, D, E, F.
Wherein, the electric discharge strategy refers to discharge current and discharge time when control battery 102 carries out partial discharge.
In the present embodiment, be pre-established with identification information and electric discharge strategy corresponding relationship, and identification information also with electricity
The foundation of tankage attenuation curve has corresponding relationship.Electric discharge strategy includes discharge time and discharge current, wherein discharge time refers to
The duration of each partial discharge operation.
Wherein, battery capacity attenuation curve refers to the relation curve of open-circuit voltage and capability value under different temperatures.Therefore, In
After obtaining current open circuit voltage and current temperature value, the corresponding open circuit of the current temperature value can be found according to current temperature value
It is corresponding to search current open circuit voltage further according to current open circuit voltage on the relation curve for the relation curve of voltage and capability value
Capability value, using the capability value found as the capability value of battery 102.
Accordingly, using the scheme in the present embodiment, due to being additionally arranged control and signal acquisition module in elevator emergency power supply
103, discharge loop 104 and loop switch module 105, and the capacity feelings of the battery in elevator emergency power supply can be judged automatically
Condition can save human cost, meanwhile, the corresponding relationship of identification information and electric discharge strategy is preset, according to for different type
Battery select different electric discharge strategies, enhance the scheme scope of application in the present embodiment.
ID (identification, identity number) core is provided on battery 102 in one of the embodiments,
Piece, control and signal acquisition module 103 can be stored by being known to obtain otherwise to the identification information in the ID chip
The current identification information of battery 102.
In view of causing battery capacity deficiency to will affect the working performance of elevator emergency power supply due to cell degradation etc.,
For example, emergency duration is not able to satisfy, so that there are biggish security risks for elevator operation.It controls in one of the embodiments,
And signal acquisition module 103 is also used to current open circuit voltage open-circuit voltage thresholding corresponding with the current identification information
Value is compared, and obtains comparison result；
Signal output module 106 is also used to show that the current open circuit voltage is less than the open-circuit voltage in the comparison result
When threshold value, the signal of output characterization 102 off-capacity of battery.
In the present embodiment, identification information also has corresponding relationship with the foundation of open-circuit voltage threshold value.Open-circuit voltage threshold value
Size may be set according to actual conditions.Identification information is schematically listed in table 1 and electric discharge strategy, battery capacity decay
The corresponding relationship of curve, open-circuit voltage threshold value.
The corresponding relationship of 1 identification information of table and electric discharge strategy, battery capacity attenuation curve, open-circuit voltage threshold value
| The identification information of battery | Discharge current | Discharge time | Battery capacity attenuation curve | Open-circuit voltage threshold value |
| ID1 | I1 | T1 | A | V1 |
| ID2 | I2 | T2 | B | V2 |
| ID3 | I3 | T3 | C | V3 |
| ... | ... | ... | ... | ... |
, can be when the current open circuit voltage be less than the open-circuit voltage threshold value using the scheme of the present embodiment, output
The signal of characterization 102 off-capacity of battery is effectively avoided with reminding maintenance personnel to replace battery in time due to cell degradation
And the case where influencing elevator emergency power work performance.
It in the above-described embodiments, is that the capacity check for carrying out battery 102 is operated by partial discharge, this detection mode
Have the advantages that detection time is short, and carry out partial discharge to battery 102 to guarantee the elevator emergency electricity under emergency case
Source also can be carried out emergency, and reduce the charge and discharge number of battery 102, be conducive to extend the service life of battery 102.
In addition, the capacity that can also carry out battery 102 by complete discharge operation in one of the embodiments, is examined
It surveys, specifically, control and signal acquisition module 103 can be also used for control loop switching module 105 for discharge loop 104 and store
Battery 102 is connected, and controls discharge loop and carry out complete discharge operation to battery 102, during complete discharge operation, note
Discharge current and the discharge time for recording each moment by integrating to discharge current and discharge time, and combine and measure
To temperature value obtain the capability value of battery 102.
Wherein it is possible to be obtained by being integrated to obtain integral result to discharge current and discharge time by measurement
Temperature value (ambient temperature value) integral result is modified, the capability value of battery 102 is obtained, here by temperature
Value is modified integral result and allows for, and capability value is related with environment temperature, wherein correcting mode can use existing
Mode, it will not be described here.
It is discharged completely using the scheme in the present embodiment battery 102, there is the testing result (capacity obtained
Value) accurate advantage.
Wherein, above-mentioned operated by partial discharge carries out capacity check and carries out capacity check by complete discharge operation
It typically periodically carries out, but preferably mode is, the frequency for carrying out capacity check is operated by partial discharge greater than logical
Cross the frequency that complete discharge operation carries out capacity check.
Discharge loop in above-described embodiment can have different implementations based on different considerations.Three kinds presented below
Discharge loop scheme, as needed can be from discharge loop scheme required for these three discharge loop Scheme Choices, but also not
It is limited to this.
Scheme one:
As shown in Fig. 2-a, discharge loop 104 may include energy storage device charge circuit 201, energy storage device 202, first put
Resistance 203, first switch Q1, second switch Q2 and third switch Q3,201 link circuit of energy storage device charge circuit switch mould
Block 105, stores up and connects first switch Q1 between energy storage device charge circuit 201 and energy storage device 202, and first switch Q1 and first is put
Second switch Q2 is connected between resistance 203, third switch Q3 is connected between first switch Q1 and system power supply circuit, first opens
It closes Q1, second switch Q2 and third switch Q3 and is controlled by control and signal acquisition module 103.
Wherein, energy storage device 202 can be battery or super capacitor of redundancy etc..
Wherein, first switch Q1, second switch Q2 and third switch Q3 are controlled by control and signal acquisition module 103
Refer to: the control terminal of the control terminal of first switch Q1, the control terminal of second switch Q2 and third switch Q3 is separately connected control and letter
Number acquisition module 103 (connection relationship is not shown in Fig. 2-a).Control and signal acquisition module 103 can be opened by first
The turn-on frequency and duty ratio for closing Q1, second switch Q2 and third switch Q3 carry out the control of discharge current.
It is charged by energy storage device charge circuit 201 to energy storage device 202 using this, the electric energy of electric discharge is stored
The electric energy of mode in energy storage component 202, energy storage device 202 can be consumed by discharge resistance, system power consumption mode.It is this
The advantages of scheme is to store property by energy storage device 202, can carry out the electric discharge of larger current without generating big
Heat shortens the time of discharge examination, in addition, energy storage device 202 can consume the electricity of storage by way of to system power supply
Can, reduce the waste of energy.
Scheme two:
As shown in Fig. 2-b, discharge loop 104 may include the second discharge resistance 204 and the 4th switch Q4, the second electric discharge electricity
The 4th switch Q4 is connected between resistance 204 and loop switch module 105, the 4th switch Q4 is controlled by control and signal acquisition module
103。
Wherein, the 4th switch Q4 is controlled by control and signal acquisition module 103 refers to: the control terminal connection control of the 4th switch Q4
System and signal acquisition module 103 (connection relationship is not shown in Fig. 2-b).Control and signal acquisition module 103 can pass through
The turn-on frequency and duty ratio of 4th switch Q4 carries out the control of discharge current.
Using directly discharging battery by way of discharge resistance.Need the power and fever in conjunction with resistance
Situation carries out the design of discharge current, is discharged in a manner of low current.The advantages of this scheme is simple easily realization.
Scheme three:
As shown in fig. 2-c, discharge loop 104 may include that power supply output conversion module 205 and the 6th switch Q5, power supply are defeated
The 5th switch Q5 is connected between conversion module 205 and loop switch module 105 out, power supply output conversion module 205 is also connected with negative
It carries, the 5th switch Q5 is controlled by control and signal acquisition module 103.The energy of battery 102 can be directly used for by the program
Actual loading efficiently uses electric energy.
Wherein, the 5th switch Q5 is controlled by control and signal acquisition module 103 refers to: the control terminal connection control of the 5th switch Q5
System and signal acquisition module 103 (connection relationship is not shown in Fig. 2-c).Control and signal acquisition module 103 can pass through
The turn-on frequency and duty ratio of 5th switch Q5 carries out the control of discharge current.
In one of the embodiments, as shown in figure 3, loop switch module 103 may include being connected to charge circuit 101
First switch 301 between battery 102 further includes the second switch being connected between discharge loop 104 and battery 102
302.When operating progress capacity check by partial discharge, or when carrying out capacity check by complete discharge operation, cut
Disconnected first switch 301, is closed second switch 302, after 102 discharge off of battery, cuts off second switch 302, wherein first
Switch 301 and second switch 302 are controlled by control and signal acquisition module 103.
Control and signal acquisition module 103 can specifically include controller, and controller is used for loop switch module 105,
Such as control the cutting and closure of first switch 301 and second switch 302, it may also be used for signal output module 106 or put
104 pairs of electrical circuit control.
Control and signal acquisition module 103 can also include specifically acquisition module, and acquisition module is for adopting signal
Collection, such as electric current, temperature, voltage signal.
In one of the embodiments, as shown in figure 4, charge circuit includes sequentially connected EMI
(Electromagnetic Interference, electromagnetic interference) filter circuit 401, DC/DC (refer to a fixed direct current
Buckling is changed to variable DC voltage, also referred to as dc chopper) module 402 and charging module 403, charging module 403 connects
Loop switch module 105.
Wherein, EMI filter circuit 401 is used to carry out voltage conversion for filtering out electromagnetic interference signal, DC/DC module 402,
Charging module 403 be usually be designed according to the charge characteristic of battery 102, as battery 102 be CC-CV (constant voltage/
Constant current) charging modes, then carry out constant current constant voltage control.
In one of the embodiments, as shown in figure 5, elevator emergency power supply of the invention can also include that power supply output turns
Block 501 is changed the mold, power supply output conversion module 501 is separately connected control and signal acquisition module 103 and charge circuit 102.Wherein,
Power supply output conversion module 501 can be used for the power supply to charge circuit 102 and carry out pressure regulation output or directly output, can also use
It is divided into multiple-channel output in the power supply to charge circuit 102.
According to the embodiment of above-mentioned elevator emergency power supply, a kind of appearance of elevator emergency power supply is also provided in the embodiment of the present invention
Quantity measuring method, the elevator emergency power supply includes battery and charge circuit, and the elevator emergency power supply further includes electric discharge
Circuit, the battery is changeable to connect the charge circuit or the discharge loop.As shown in fig. 6, in the present embodiment
The capacity check method of elevator emergency power supply includes:
Step S601: obtaining the current identification information of the battery, tactful according to preset identification information and electric discharge
Corresponding relationship inquires present discharge strategy corresponding with the current identification information, and the present discharge strategy includes discharge target
Electric current and discharge target time；
Step S602: the battery being switched to and is connected with the discharge loop, according to the discharge target electric current and
The discharge target time controls the discharge loop and carries out partial discharge operation to the battery；
Step S603: the current open circuit of current temperature value and the battery is measured at the end of partial discharge operation
Voltage value decays the current open circuit voltage and current temperature value battery capacity corresponding with the current identification information
Curve is compared, and obtains the capability value of the battery.
In scheme provided in this embodiment, be discharge loop is additionally arranged in elevator emergency power supply, and be obtain institute
The current identification information for stating battery, according to the corresponding relationship inquiry of preset identification information and electric discharge strategy and the current mark
Know the corresponding present discharge strategy of information, the present discharge strategy includes discharge target electric current and discharge target time, by institute
It states battery and is switched to and be connected with the discharge loop, put according to the discharge target electric current and the control of discharge target time
Electrical circuit carries out partial discharge operation to the battery, measurement current temperature value and institute at the end of partial discharge operation
The current open circuit voltage value for stating battery, by the current open circuit voltage and the current temperature value and the current identification information
Corresponding battery capacity attenuation curve is compared, and obtains the capability value of the battery.It, can be with using the scheme of the present embodiment
Human cost is saved, while different electric discharge strategies can be selected according to for different types of battery, enhances scheme
The scope of application.
The capacity check method of elevator emergency power supply of the invention can also include: by institute in one of the embodiments,
It states current open circuit voltage open-circuit voltage threshold value corresponding with the current identification information to be compared, in the current open circuit electricity
When pressure is less than the open-circuit voltage threshold value, output characterizes the insufficient signal of accumulator capacity.
, can be when the current open circuit voltage be less than the open-circuit voltage threshold value using the scheme of the present embodiment, output
Characterize the insufficient signal of accumulator capacity, to remind maintenance personnel to replace battery in time, effectively avoid due to cell degradation and
The case where influencing elevator emergency power work performance.
The capacity check method of elevator emergency power supply of the invention can also include: control in one of the embodiments,
The discharge loop and the battery are connected the loop switch module, and control the discharge loop to the battery
Complete discharge operation is carried out, during the complete discharge operation, records discharge current and the discharge time at each moment, is led to
It crosses and discharge current and discharge time is integrated, and obtain the capability value of the battery in conjunction with the temperature value that measurement obtains.
It is discharged completely using the scheme in the present embodiment battery, is had testing result (capability value obtained)
Accurate advantage.
It should be noted that the technical characteristic of the elevator emergency power supply of above-mentioned offer is also applied for offer of the embodiment of the present invention
Elevator emergency power supply capacity check method in, therefore, the above appearance to elevator emergency power supply provided in an embodiment of the present invention
Undisclosed technical detail in quantity measuring method, referring to the description of the elevator emergency power supply of above-mentioned offer.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of elevator emergency power supply, including charge circuit and battery, which is characterized in that further include control and signal acquisition mould
Block, discharge loop, loop switch module and signal output module, the loop switch module be separately connected the charge circuit,
The battery, the control and signal acquisition module and the discharge loop, the control and signal acquisition module are also distinguished
Connect the discharge loop, the battery and the signal output module；
The control and signal acquisition module are used to obtain the current identification information of the battery, according to preset identification information
And the corresponding relationship of electric discharge strategy inquires present discharge strategy corresponding with the current identification information, the present discharge strategy
Including discharge target electric current and discharge target time, by controlling the loop switch module for the discharge loop and the storage
Battery conducting controls the discharge loop to battery carry out portion according to the discharge target electric current and discharge target time
Divide discharge operation, the current open circuit voltage of current temperature value and the battery is measured at the end of partial discharge operation
Value, by the current open circuit voltage and current temperature value battery capacity attenuation curve corresponding with the current identification information
It is compared, obtains the capability value of the battery；
The capability value that the signal output module is used to export the control and signal acquisition module obtains；
The control and signal acquisition module are also used to open the current open circuit voltage is corresponding with the current identification information
Road voltage threshold is compared, and obtains comparison result；
The signal output module is also used to show that the current open circuit voltage is less than the open-circuit voltage in the comparison result
When threshold value, output characterizes the insufficient signal of accumulator capacity；
The discharge time is the duration of each partial discharge operation；The battery capacity attenuation curve is opened a way under different temperatures
The relation curve of voltage and capability value.
2. elevator emergency power supply according to claim 1, which is characterized in that the control and signal acquisition module are also used to
It controls the loop switch module discharge loop and the battery are connected, and controls the discharge loop to the storage
Battery carries out complete discharge operation, during the complete discharge operation, when recording discharge current and the electric discharge at each moment
Between, the appearance of the battery is obtained by integrating to discharge current and discharge time, and in conjunction with the temperature value that measurement obtains
Magnitude.
3. elevator emergency power supply according to claim 2, which is characterized in that operated by partial discharge and carry out capacity check
Frequency be greater than by complete discharge operation progress capacity check frequency.
4. according to claim 1 to elevator emergency power supply described in one of 3, which is characterized in that the discharge loop includes energy storage
Device charge circuit, energy storage device, the first discharge resistance, first switch, second switch and third switch, the energy storage device fill
Electrical circuit connects the loop switch module, connects described first between the energy storage device charge circuit and the energy storage device
Switch connects the second switch, the first switch and system power supply electricity between the first switch and the discharge resistance
The third switch is connected between road, the first switch, the second switch and third switch are controlled by described
Control and signal acquisition module.
5. according to claim 1 to elevator emergency power supply described in one of 3, which is characterized in that the discharge loop includes second
Discharge resistance and the 4th switch connect the 4th switch, institute between second discharge resistance and the loop switch module
It states the 4th switch and is controlled by the control and signal acquisition module.
6. according to claim 1 to elevator emergency power supply described in one of 3, which is characterized in that the discharge loop includes power supply
Conversion module and the 5th switch are exported, connects the described 5th between the power supply output conversion module and the loop switch module
Switch, the power supply output conversion module are also connected with load.
7. according to claim 1 to elevator emergency power supply described in one of 3, which is characterized in that the battery is provided with ID core
Piece, the control and signal acquisition module obtain the storage by being known to the identification information in the ID chip otherwise
The current identification information of battery.
8. according to claim 1 to elevator emergency power supply described in one of 3, it is characterised in that:
The loop switch module includes the first switch being connected between the charge circuit and the battery, further includes connecting
Connect the second switch between the discharge loop and the battery；
Or
The charge circuit includes sequentially connected EMI filter circuit, DC/DC module and charging module, and the charging module connects
Connect the loop switch module；
Or
The elevator emergency power supply further includes power supply output conversion module, and the power supply output conversion module is separately connected the control
System and signal acquisition module and the charge circuit.
9. a kind of capacity check method of elevator emergency power supply, the elevator emergency power supply includes battery and charge circuit,
Be characterized in that, the elevator emergency power supply further includes discharge loop, the battery changeable connection charge circuit or
The discharge loop, which comprises
The current identification information for obtaining the battery, according to preset identification information and electric discharge strategy corresponding relationship inquiry with
The corresponding present discharge strategy of the current identification information, the present discharge strategy includes discharge target electric current and discharge target
Time；
The battery is switched to and is connected with the discharge loop, is controlled according to the discharge target electric current and discharge target time
It makes the discharge loop and partial discharge operation is carried out to the battery, the current temperature of measurement at the end of partial discharge operation
The current open circuit voltage value of angle value and the battery, by the current open circuit voltage and the current temperature value and described current
The corresponding battery capacity attenuation curve of identification information is compared, and obtains the capability value of the battery；
Further include: current open circuit voltage open-circuit voltage threshold value corresponding with the current identification information is compared,
When the current open circuit voltage is less than the open-circuit voltage threshold value, output characterizes the insufficient signal of accumulator capacity；
The discharge time is the duration of each partial discharge operation；The battery capacity attenuation curve is opened a way under different temperatures
The relation curve of voltage and capability value.
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| US20220052548A1 (en) * | 2019-01-21 | 2022-02-17 | Tk Elevator Innovation And Operations Gmbh | Emergency power supply for an elevator cabin |
| CN110084445B (en) * | 2019-06-04 | 2020-11-13 | 龙源（北京）风电工程技术有限公司 | Method for calculating replacement period of storage battery for pitch control of wind turbine generator |
| CN116148677B (en) * | 2023-04-17 | 2023-06-23 | 北京日立电梯工程有限公司 | Elevator emergency power supply electric quantity monitoring system |
| CN117686922A (en) * | 2024-02-04 | 2024-03-12 | 深圳市安仕新能源科技有限公司 | Cell testing method, system and readable storage medium based on data modeling |
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