CN107086659A - The power supply unit of sensing device built in charging equipment - Google Patents
The power supply unit of sensing device built in charging equipment Download PDFInfo
- Publication number
- CN107086659A CN107086659A CN201710313715.6A CN201710313715A CN107086659A CN 107086659 A CN107086659 A CN 107086659A CN 201710313715 A CN201710313715 A CN 201710313715A CN 107086659 A CN107086659 A CN 107086659A
- Authority
- CN
- China
- Prior art keywords
- sensing device
- circuit
- power supply
- electric energy
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- 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
-
- 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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of power supply unit of sensing device built in charging equipment, the sensing device is built in inside charging equipment, and the sensing device is used for the parameter for measuring the charging equipment;Including:Online power supply circuit, controller, sample circuit, super capacitor and battery;The online power supply circuit, powers for obtaining electric energy from the wire that the charging equipment is connected for sensing device;The sample circuit, the electric energy size obtained for monitoring from the wire;The controller, when the electric energy for judging to obtain from the wire is less than the electric energy that the sensing device needs, it is that the sensing device is powered to control the super capacitor and/or the battery.Preferential select obtains electric energy from wire, i.e., powered online for sensing device.When online condition of power supply is invalid, then super capacitor and/or battery is selected to be powered for sensing device.To ensure the uninterrupted operation of sensing device.
Description
Technical field
The present invention relates to power supply unit technical field, more particularly to built in a kind of charging equipment, the power supply of sensing device is set
It is standby.
Background technology
The large-scale application of wireless senser is exactly powerup issue by maximum limitation, and the researcher of countries in the world is
Finding solution.Common solution is exactly that battery is powered or environment takes energy at present.It should be noted that wireless pass
Sensor is exactly one kind in sensing device, and charging equipment refers to once on high-tension side charging equipment.
Battery power supply mode is simple and is widely used, still, the finite capacity of battery, stops even if being aided with sensing device work
Tactful and data filtering techniques of sleeping reduce equipment power dissipation, still, the actual life of battery and a sub-band in adverse circumstances
Electric equipment, which is compared, still a certain distance.Battery altering is that later stage maintenance work brings very big workload, for example, perceiving dress
Setting in the severe region of the natural conditions such as outlying mountain area or plateau.
Environment, which takes, can refer to obtain the energy, such as thermo-electric generation wrist-watch, Eco-drive hand from circumstance of temperature difference, vibration or luminous energy etc.
Piezoelectric ceramic vibration generator of table, also 20mW etc..But, these technologies, which are still difficult to apply at present, to be set high pressure is once powered
It is standby upper.Because environment power taking can not realize whole day continual power supply in 24 hours.
The content of the invention
In order to solve above technical problem present in prior art, the present invention provides a kind of built-in perceive of charging equipment and filled
The power supply unit put, can provide power supply for the sensing device in the charging equipment of high pressure primary side.
The embodiment of the present invention provides a kind of power supply unit of sensing device built in charging equipment, and the sensing device is built in band
Inside electric equipment, the sensing device is used for the parameter for measuring the charging equipment;Including:Online power supply circuit, controller, adopt
Sample circuit, super capacitor and battery;
The online power supply circuit, is supplied for obtaining electric energy from the wire that the charging equipment is connected for sensing device
Electricity;
The sample circuit, the electric energy size obtained for monitoring from the wire;
The controller, the electric energy for judging to obtain from the wire is less than the electric energy that the sensing device needs
When, it is that the sensing device is powered to control the super capacitor and/or the battery.
Preferably, the power supply priority of the super capacitor is higher than the power supply priority of the battery.
Preferably, the controller, is additionally operable to judge that the electric energy obtained from the wire is needed more than the sensing device
During the electric energy wanted, control the online power supply circuit be that the super capacitor is filled while the sensing device is powered
Electricity.
Preferably, the controller, be additionally operable to monitor the super capacitor it is fully charged when, control the On-line Control circuit
It is that the battery is charged while power supply for the sensing device.
Preferably, the online power supply circuit includes:Current transformer and MPPT maximum power point tracking circuit;
The current transformer, is exported to the maximum for obtaining electric energy from the wire, and by the electric energy of acquisition
Power points tracks circuit;
The MPPT maximum power point tracking circuit, the controlling electric energy for being exported according to the current transformer is described super
Electric capacity or the speed of battery charging, so that the voltage of current transformer output reaches the maximum voltage of current transformer sensing.
Preferably, in addition to:Multidiameter option switch;
The stationary contact of the multidiameter option switch connects the output end of the MPPT maximum power point tracking circuit;
When the online power supply circuit is that the super capacitor charges, the controller controls the multidiameter option switch
Movable contact connects the super capacitor;
When the online power supply circuit is that the battery charges, the controller controls the dynamic of the multidiameter option switch to touch
The point connection battery.
Preferably, in addition to:First switch and second switch;
The first end of the first switch connects the output end of the MPPT maximum power point tracking circuit, the second switch
Second end connects the super capacitor;
The first end of the second switch connects the output end of the MPPT maximum power point tracking circuit, the second switch
Second end connects the battery;
When the online power supply circuit is that the super capacitor charges, the controller controls the first switch closure;
When the online power supply circuit is that the battery charges, the controller controls the second switch closure.
Preferably, in addition to be connected between the current transformer and the MPPT maximum power point tracking circuit protection electricity
Road;
The protection circuit, for being that sensing device is powered while being super electricity when the electric energy that the current transformer is exported
During capacity charge, the electric energy of the current transformer output is more than the electric energy that the sensing device and super capacitor need, will be unnecessary
Electric energy released.
Preferably, in addition to the first low pressure difference linear voltage regulator;
The input of first low pressure difference linear voltage regulator connects the output end of the MPPT maximum power point tracking circuit, institute
The output end for stating the first low pressure difference linear voltage regulator connects the sensing device.
Preferably, in addition to:First booster circuit, the second booster circuit, First Line or logic circuit, the second wired-OR logic circuits
Circuit and the second low pressure difference linear voltage regulator;
First booster circuit, for being supplied to described perceive to fill after the output voltage boosting by the super capacitor
Put;
Second booster circuit, will be supplied to the sensing device after the output voltage boosting of the battery;
The output end of first booster circuit connects the first input end of the First Line or logic circuit, described second
The output end of booster circuit connects the second input of the First Line or logic circuit;
The input of the First Line or logic circuit connects second low pressure difference linear voltage regulator;
The output end of first low pressure difference linear voltage regulator connects the first input end of the second wired-OR logic circuits circuit,
The output end of second low pressure difference linear voltage regulator connects the second input of the second wired-OR logic circuits circuit, described second
The output end of wired-OR logic circuits circuit connects the sensing device.
Compared with prior art, the present invention at least has advantages below:
Three kinds of power supply modes are provided for sensing device, it is preferential from electric energy is obtained from wire, i.e., it is online for perception dress
Put power supply.When online condition of power supply is invalid, such as electric current very little or power-off, then selection super capacitor and/or battery are
Sensing device is powered.Super capacitor can power -30 minutes 20 minutes in the case of fully charged.During this period, online power supply
It may recover,, can be with when the electric energy of super capacitor, which can not continue as sensing device, powers if online power supply does not recover also
Selection battery is powered for sensing device, to ensure the uninterrupted operation of sensing device.The electric energy of battery commonly reaches continuous power supply 8
It is more than individual hour.In addition, when online condition of power supply is invalid, it is sensing device jointly that can also select super capacitor and battery
Power supply.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
The schematic diagram of power supply unit embodiment one of sensing device built in the charging equipment that Fig. 1 provides for the present invention;
The schematic diagram of power supply unit embodiment two of sensing device built in the charging equipment that Fig. 2 provides for the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only this
Invent a part of embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art exist
The every other embodiment obtained under the premise of creative work is not made, the scope of protection of the invention is belonged to.
Embodiment one:
Referring to Fig. 1, the signal of power supply unit embodiment one of sensing device built in the charging equipment that the figure provides for the present invention
Figure.
The power supply unit of sensing device built in the charging equipment that the present embodiment is provided, the sensing device is built in powered set
Standby, the sensing device is used for the parameter for measuring the charging equipment;Including:Online power supply circuit 100, controller 200, sampling
Circuit 300, super capacitor 400 and battery 500;
It is understood that a general charging equipment is high-tension apparatus, such as high voltage transmission line, online power supply circuit
100 directly obtain electric energy from the wire of high voltage transmission line.
Sensing device can be used for measuring some parameters on high voltage transmission line, for example, detect kinematic parameter or temperature.When
When sensing device is used to detect kinematic parameter, kinematic parameter can include:Acceleration, speed, distance, swing and wave.Sense
It is substantially wireless senser to know device, by the parameter feedback of the high voltage transmission line of monitoring to Surveillance center.But, because high pressure is defeated
The specific position and performance of electric wire, the power supply of sensing device turn into problem.Especially in outlying mountain area, environment compares evil
It is bad, for example:Height above sea level is higher, either heat or severe cold.
It should be noted that the equipment that the present embodiment is provided is powered to be built in the sensing device of charging equipment,
Because the sensing device is installed in inside charging equipment, without being mounted in outside charging equipment, when sensing device is installed in band
When outside electric equipment, power taking can be easily exchanged nearby.But, when sensing device is installed in inside charging equipment, due to
The complexity of line, it is impossible to directly exchange power taking.Therefore, present embodiments provide a kind of exclusively for being installed in inside charging equipment
The equipment powered of sensing device.
In addition, scheme provided in an embodiment of the present invention can also be applied to low voltage transmission line, but applied to low voltage power transmission
During line, economy is bad.
The online power supply circuit 100, is sensing device for obtaining electric energy from the wire that the charging equipment is connected
Power supply;
The sample circuit 300, the electric energy size obtained for monitoring from the wire;
Sample circuit includes current sampling circuit and voltage sampling circuit, and by the voltage and electricity of the analog signal of sampling
Stream issues the controller 200 after analog-to-digital conversion.
The controller 200, the electric energy for judging to obtain from the wire is less than the electricity that the sensing device needs
During energy, it is that the sensing device is powered to control the super capacitor 400 and/or the battery.
Controller 200 can control super capacitor 400 to be powered for sensing device, and battery 500 can also be controlled to be filled to perceive
Power supply is put, super capacitor 400 and battery 500 can also be controlled while being powered for sensing device.
But, in order to extend the life-span of battery 500, the power supply priority of the super capacitor is higher than the power supply of the battery
Priority.
It is preferential to select super capacitor 400 when the electric energy obtained from wire can not meet the power demands of sensing device
Powered for sensing device.The battery 500 is just controlled when the output voltage of the super capacitor 400 is less than the first predeterminated voltage
Powered for the sensing device.Because super capacitor 400 can be with discharge and recharge many times, without influenceing its performance.But battery 500
Discharge and recharge number of times be far below super capacitor 400, it is therefore preferable that super capacitor 400 is powered for sensing device.
It is in charging equipment therefore because many charging equipments of high pressure are arranged on the more severe place of environment
Sensing device, which carries out uninterrupted power supply, turns into problem.Three kinds of power supply modes are provided for sensing device in the present embodiment, preferential choosing
With electric energy is obtained from wire, i.e., powered online for sensing device.When online condition of power supply is invalid, for example electric current very little or
Person powers off, then selects super capacitor and/or battery to be powered for sensing device.Super capacitor can power in the case of fully charged
- 30 minutes 20 minutes.During this period, online power supply may recover, if online power supply does not recover also, when the electricity of super capacitor
When can continue as sensing device and powering, battery can be selected to be powered for sensing device, to ensure the uninterrupted of sensing device
Operation.The electric energy of battery commonly reaches continuous power supply 8 more than hour.In addition, when online condition of power supply is invalid, can also
Selection super capacitor and battery are powered for sensing device jointly.
In order to ensure that battery durable is longer, low-temperature nickel-hydrogen battery can be selected, under normal circumstances, the low-temperature nickel-hydrogen battery
Continuous power supply 8 can be realized more than hour.
Wherein, controller can use single-chip microcomputer or microprocessor.
Embodiment two:
Referring to Fig. 2, the signal of power supply unit embodiment two of sensing device built in the charging equipment that the figure provides for the present invention
Figure.
The equipment powered for sensing device that the present embodiment is provided, the controller 200 is additionally operable to judge from the wire
When the electric energy of upper acquisition is more than the electric energy that the sensing device 15 needs, it is the sensing device to control the online power supply circuit
Charged while 15 power supply for the super capacitor 400.
The controller 200, be additionally operable to monitor the super capacitor 400 it is fully charged when, control the On-line Control circuit
It is that the battery 500 is charged while power supply for the sensing device 15.
In the present embodiment, the online power supply circuit includes:Current transformer 101 and MPPT maximum power point tracking circuit 102;
The current transformer 101, for obtaining electric energy from the wire, and by the electric energy of acquisition export to it is described most
High-power point tracks circuit 102;
The MPPT maximum power point tracking circuit 102, the controlling electric energy for being exported according to the current transformer 101 is institute
The speed that super capacitor 400 or battery 500 charge is stated, so that the voltage that current transformer 101 is exported reaches current transformer 101
The maximum voltage of sensing.
It should be noted that there is the operating voltage of maximal efficiency in current transformer 101, because current transformer 101
Output impedance so adjustment output current can adjust the voltage power supply point of current transformer 101, that is, passes through tune than larger
The output current of whole current transformer 101 comes the output voltage of control electric current transformer 101, the output electricity of current transformer 101
Stream directly determines the size of the electric current to super capacitor or battery charging, and the charging current of current transformer 101 is big, then is super
Level electric capacity or the speed of battery charging are just fast, otherwise charging is then slow.The MPPT maximum power point tracking circuit 102 that the present embodiment is provided can
The size of the charging current to super capacitor or battery charging is controlled with the electric energy exported according to current transformer 101.Meet
One principle is exactly that then the big charging rate of charging current is fast when the electric energy that current transformer 101 senses from wire is more.Work as electricity
When the electric energy that current transformer 101 senses from wire is few, then the small charging of charging current is slow.
When prioritizing selection is, it is necessary to which selecting switch is led to switch charging when super capacitor charges and then charged the battery again
Road.Wherein selecting switch can be multidiameter option switch, or two independent switches, introduce separately below.
The equipment provided with continued reference to Fig. 2, the present embodiment, in addition to:Multidiameter option switch 105;
The stationary contact of the multidiameter option switch 105 connects the output end of the MPPT maximum power point tracking circuit 102;
When the online power supply circuit is that the super capacitor 400 charges, the controller 200 controls the multi-path choice
The movable contact of switch 105 connects the super capacitor 400;
When the online power supply circuit is that the battery 500 charges, the controller 200 controls the multidiameter option switch
105 movable contact connects the battery 500.
In addition, when selecting charging path by two independent switches, the equipment that the present embodiment is provided can also include:First
Switch and second switch (not shown);
The first end of the first switch connects the output end of the MPPT maximum power point tracking circuit, the second switch
Second end connects the super capacitor;
The first end of the second switch connects the output end of the MPPT maximum power point tracking circuit, the second switch
Second end connects the battery;
When the online power supply circuit is that the super capacitor charges, the controller controls the first switch closure;
When the online power supply circuit is that the battery charges, the controller controls the second switch closure.
In addition, for the security of protection device, the equipment powered for sensing device of the present embodiment offer can also be wrapped
Include:It is connected to the protection circuit 104 between the current transformer 101 and the MPPT maximum power point tracking circuit 102;
The protection circuit 104, for being that sensing device 15 is powered simultaneously when the electric energy that the current transformer 101 is exported
When being charged for super capacitor 400, the electric energy that the current transformer 101 is exported is more than the sensing device 15 and super capacitor
400 electric energy needed, unnecessary electric energy is released.
In addition, the stability of the voltage in order to ensure to supply sensing device, equipment provided in an embodiment of the present invention can be with
Including:First low pressure difference linear voltage regulator (LDO, Low Dropout Regulator) 103;
The input of the LDO103 connects the output end of the MPPT maximum power point tracking circuit 102, the LDO103's
Output end connects the sensing device 15.
In addition, also including:First booster circuit 108, the second booster circuit 109, First Line or logic circuit, the second line or
Logic circuit and the second low pressure difference linear voltage regulator LDO110;
First booster circuit 108, for being supplied to the sense after the output voltage boosting by the super capacitor 400
Know device 15;
The output voltage of super capacitor 400 can be increased to 5V by the first booster circuit 108.
Second booster circuit 109, will be supplied to the sensing device after the output voltage boosting of the battery 500
15;
The output voltage of battery 500 can be increased to 4.7V by the second booster circuit 109.
It is same without sharing super capacitor 400 and battery 500 there is provided two booster circuits in the present embodiment
Booster circuit.
The output end of first booster circuit 108 connects the first input end of the First Line or logic circuit 107, institute
The output end for stating the second booster circuit 109 connects the second input of the First Line or logic circuit 107;
Because the voltage that the first booster circuit 108 is exported is higher than the voltage that the second booster circuit 109 is exported, therefore, when the
When one booster circuit 108 and the second booster circuit 109 are by First Line or logic circuit 107, preferentially higher voltage output is
Sensing device is powered, i.e. the preferential output voltage from super capacitor 400 is powered for sensing device.Only super capacitor 400
Output voltage is relatively low, the voltage of the second booster circuit 109 output still is below after the boosting of the first booster circuit 108, now
Then First Line or the selection battery 500 of logic circuit 107 are powered for sensing device.In addition, when super capacitor 400 export voltage very
When low, the first booster circuit 108 will turn off.For example the output voltage of super capacitor 400 is less than 1.2V.
The input of the First Line or logic circuit 107 connects the second low pressure difference linear voltage regulator LDO110;
The output end of first low pressure difference linear voltage regulator 103 connects the first of the second wired-OR logic circuits circuit 114
Input, the second of output end connection the second wired-OR logic circuits circuit 114 of second low pressure difference linear voltage regulator 110 is defeated
Enter end, the output end of the second wired-OR logic circuits circuit 114 connects the sensing device 15.
In order to ensure the highest priority powered online, then the first low pressure difference linear voltage regulator 103 and the second low voltage difference line
The output end of property voltage-stablizer 110 is connected to the second wired-OR logic circuits circuit 114, in order to when MPPT maximum power point tracking circuit
When the voltage that the voltage ratio First Line or logic circuit 107 of 102 outputs are exported is high, then selected by the second wired-OR logic circuits circuit 114
The electric energy for selecting the output of MPPT maximum power point tracking circuit 102 is powered for sensing device.
For example, LDO103 exports 3.6V, LDO110 output 3.3V, then prioritizing selection LDO103 provides electricity for sensing device
Source.
Existing sensing device is integrated in the multi-purpose battery of less inside power equipment, external sensing device and powered or environment
The modes such as power supply, battery power supply mode faces the complicated problem of battery altering O&M, and environment, which is powered, can not realize round-the-clock power supply.This
The equipment that inventive embodiments are provided intelligently switches there is provided current transformer, three kinds of power supply modes of super capacitor and battery, realizes family
The uninterrupted power supply of sensing device under outer severe weather conditions, solves the reliable power supply problem of the sensing device of charging equipment.
The above described is only a preferred embodiment of the present invention, not making any formal limitation to the present invention.Though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention.It is any to be familiar with those skilled in the art
Member, without departing from the scope of the technical proposal of the invention, all using the methods and techniques content of the disclosure above to the present invention
Technical scheme makes many possible variations and modification, or is revised as the equivalent embodiment of equivalent variations.Therefore, it is every without departing from
The content of technical solution of the present invention, the technical spirit according to the present invention is to any simple modification made for any of the above embodiments, equivalent
Change and modify, still fall within technical solution of the present invention protection in the range of.
Claims (10)
1. the power supply unit of sensing device built in charging equipment, it is characterised in that the sensing device is built in inside charging equipment,
The sensing device is used for the parameter for measuring the charging equipment;Including:It is online power supply circuit, controller, sample circuit, super
Electric capacity and battery;
The online power supply circuit, powers for obtaining electric energy from the wire that the charging equipment is connected for sensing device;
The sample circuit, the electric energy size obtained for monitoring from the wire;
The controller, when the electric energy for judging to obtain from the wire is less than the electric energy that the sensing device needs, control
It is that the sensing device is powered to make the super capacitor and/or the battery.
2. the power supply unit of sensing device built in charging equipment according to claim 1, it is characterised in that the super electricity
The power supply priority of appearance is higher than the power supply priority of the battery.
3. the power supply unit of sensing device built in charging equipment according to claim 2, it is characterised in that the control
Device, when being additionally operable to judge that the electric energy obtained from the wire is more than the electric energy that the sensing device needs, is controlled described online
It is that the super capacitor is charged while the sensing device is powered that power supply circuit, which is,.
4. the power supply unit of sensing device built in charging equipment according to claim 3, it is characterised in that the control
Device, be additionally operable to monitor the super capacitor it is fully charged when, control the On-line Control circuit for the sensing device power it is same
When charged for the battery.
5. the power supply unit of sensing device built in charging equipment according to claim 4, it is characterised in that the online confession
Circuit includes:Current transformer and MPPT maximum power point tracking circuit;
The current transformer, is exported to the peak power for obtaining electric energy from the wire, and by the electric energy of acquisition
Point tracking circuit;
The MPPT maximum power point tracking circuit, the controlling electric energy for being exported according to the current transformer is the super capacitor
Or the speed of battery charging, so that the voltage of current transformer output reaches the maximum voltage of current transformer sensing.
6. the power supply unit of sensing device built in charging equipment according to claim 5, it is characterised in that also include:It is many
Road selecting switch;
The stationary contact of the multidiameter option switch connects the output end of the MPPT maximum power point tracking circuit;
When the online power supply circuit is that the super capacitor charges, the controller controls the dynamic of the multidiameter option switch to touch
The point connection super capacitor;
When the online power supply circuit is that the battery charges, the controller controls the movable contact of the multidiameter option switch to connect
Connect the battery.
7. the power supply unit of sensing device built in charging equipment according to claim 5, it is characterised in that also include:The
One switch and second switch;
The first end of the first switch connects the output end of the MPPT maximum power point tracking circuit, the second of the second switch
The end connection super capacitor;
The first end of the second switch connects the output end of the MPPT maximum power point tracking circuit, the second of the second switch
The end connection battery;
When the online power supply circuit is that the super capacitor charges, the controller controls the first switch closure;
When the online power supply circuit is that the battery charges, the controller controls the second switch closure.
8. the power supply unit of sensing device built in charging equipment according to claim 5, it is characterised in that also including connection
Protection circuit between the current transformer and the MPPT maximum power point tracking circuit;
The protection circuit, for being that sensing device is powered while being that super capacitor fills when the electric energy that the current transformer is exported
When electric, the electric energy of the current transformer output is more than the electric energy that the sensing device and super capacitor need, by unnecessary electricity
It can be released.
9. the power supply unit of sensing device built in charging equipment according to claim 5, it is characterised in that also including first
Low pressure difference linear voltage regulator;
The input of first low pressure difference linear voltage regulator connects the output end of the MPPT maximum power point tracking circuit, and described the
The output end of one low pressure difference linear voltage regulator connects the sensing device.
10. the power supply unit of sensing device built in charging equipment according to claim 9, it is characterised in that also include:The
One booster circuit, the second booster circuit, First Line or logic circuit, the second wired-OR logic circuits circuit and the second low pressure difference linearity voltage stabilizing
Device;
First booster circuit, for being supplied to the sensing device after the output voltage boosting by the super capacitor;
Second booster circuit, will be supplied to the sensing device after the output voltage boosting of the battery;
The output end of first booster circuit connects the first input end of the First Line or logic circuit, second boosting
The output end of circuit connects the second input of the First Line or logic circuit;
The input of the First Line or logic circuit connects second low pressure difference linear voltage regulator;
The output end of first low pressure difference linear voltage regulator connects the first input end of the second wired-OR logic circuits circuit, described
The output end of second low pressure difference linear voltage regulator connects the second input of the second wired-OR logic circuits circuit, second line or
The output end of logic circuit connects the sensing device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710313715.6A CN107086659A (en) | 2017-05-05 | 2017-05-05 | The power supply unit of sensing device built in charging equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710313715.6A CN107086659A (en) | 2017-05-05 | 2017-05-05 | The power supply unit of sensing device built in charging equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107086659A true CN107086659A (en) | 2017-08-22 |
Family
ID=59611994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710313715.6A Pending CN107086659A (en) | 2017-05-05 | 2017-05-05 | The power supply unit of sensing device built in charging equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107086659A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108695938A (en) * | 2018-06-15 | 2018-10-23 | 深圳壹智云科技有限公司 | A kind of electrical source of power device for electrical equipment |
CN111565271A (en) * | 2020-04-17 | 2020-08-21 | 山东信通电子股份有限公司 | Image acquisition device of power transmission line and power supply method thereof |
CN114175447A (en) * | 2019-07-30 | 2022-03-11 | 康明斯有限公司 | Standby power generation techniques for clock and critical data retention for controllers |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202019233U (en) * | 2011-05-10 | 2011-10-26 | 褚强 | Universal independent power supply device for photomagnetic complementary power transmission and distribution circuit on-line monitoring system |
CN103094869A (en) * | 2013-02-16 | 2013-05-08 | 重庆广仁铁塔制造有限公司 | Electric transmission line current circulation intelligent ice melting device of five divided conductors |
CN103887899A (en) * | 2013-12-16 | 2014-06-25 | 重庆大学 | Induction energy taking power source of electric transmission line monitoring device |
CN106160150A (en) * | 2016-08-24 | 2016-11-23 | 深圳市惠立智能电力科技有限公司 | The power control system of a kind of adaptive CT sensing power taking and method thereof |
-
2017
- 2017-05-05 CN CN201710313715.6A patent/CN107086659A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202019233U (en) * | 2011-05-10 | 2011-10-26 | 褚强 | Universal independent power supply device for photomagnetic complementary power transmission and distribution circuit on-line monitoring system |
CN103094869A (en) * | 2013-02-16 | 2013-05-08 | 重庆广仁铁塔制造有限公司 | Electric transmission line current circulation intelligent ice melting device of five divided conductors |
CN103887899A (en) * | 2013-12-16 | 2014-06-25 | 重庆大学 | Induction energy taking power source of electric transmission line monitoring device |
CN106160150A (en) * | 2016-08-24 | 2016-11-23 | 深圳市惠立智能电力科技有限公司 | The power control system of a kind of adaptive CT sensing power taking and method thereof |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108695938A (en) * | 2018-06-15 | 2018-10-23 | 深圳壹智云科技有限公司 | A kind of electrical source of power device for electrical equipment |
CN114175447A (en) * | 2019-07-30 | 2022-03-11 | 康明斯有限公司 | Standby power generation techniques for clock and critical data retention for controllers |
CN111565271A (en) * | 2020-04-17 | 2020-08-21 | 山东信通电子股份有限公司 | Image acquisition device of power transmission line and power supply method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7781913B2 (en) | UPS having solar powered battery charger | |
CN207098741U (en) | A kind of dual power supply switching circuit | |
CN101322441A (en) | Lighting system control device charging system and method | |
CN107086659A (en) | The power supply unit of sensing device built in charging equipment | |
CN101355261A (en) | Power management system for minitype biped walking robot | |
US10178745B2 (en) | Method of charging a light bulb | |
CN101588079A (en) | Power supply method and power supply device for electronic device and electronic device | |
CN101826793A (en) | Energy conversion controller | |
JP2010231456A (en) | Power supply system | |
CN105914873A (en) | Two-way power supply automatic conversion device and conversion method | |
CN203397234U (en) | Power supply circuit | |
CN105466064B (en) | A kind of linear sterlin refrigerator driving method of general separated type and driving circuit | |
CN202353484U (en) | Zero-power standby power source | |
CN105606235A (en) | Solar overtemperature alarm | |
CN105871032A (en) | Constant-voltage current-limiting pulse charging control system and charging method thereof | |
CN206265206U (en) | A kind of novel intelligent electric bicycle | |
CN106840444B (en) | Dual-battery temperature detection circuit and dual-battery charging control method | |
CN205753543U (en) | A kind of super capacitor hand-operated rechargeable is precious | |
CN202513641U (en) | Charger with zero standby power consumption | |
CN105697230A (en) | Intelligent wind power detection and power generation control system | |
CN106981906B (en) | Solar intelligent wireless charging equipment | |
CN110365318B (en) | 12-pulse-wave digital control trigger system for high-power thyristor rectification power supply | |
CN206041332U (en) | Long -range maintenance intelligent control cabinet of transformer substation | |
CN205407317U (en) | Wide band seismograph intelligence power management system | |
CN205595827U (en) | Sections two, balanced control integrated circuit that fill of lithium A series of cells |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170822 |