CN205646977U - Electric control and monitoring devices's combination power supply unit - Google Patents
Electric control and monitoring devices's combination power supply unit Download PDFInfo
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- CN205646977U CN205646977U CN201620433982.8U CN201620433982U CN205646977U CN 205646977 U CN205646977 U CN 205646977U CN 201620433982 U CN201620433982 U CN 201620433982U CN 205646977 U CN205646977 U CN 205646977U
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- super capacitor
- power supply
- electric control
- accumulator
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Abstract
The utility model relates to an electric control and monitoring devices's combination power supply unit, including battery, super capacitor, current limiting device and one -way conducting device, current limiting device and one -way conducting device are parallelly connected, and one -way conducting device's input connection super capacitor's one end, and the positive pole of battery is connected to the output, and is used for connecting external load, and super capacitor's the other end is connected to the negative pole of battery, electric current that the current limiting device control flow was crossed is less than or equal to the presupposition current threshold value, carries out charge protection to super capacitor, and one -way conducting device only allows to carry out discharge protection through the electric current that flows from super capacitor to super capacitor, battery and super capacitor make up the power supply, and electric control and monitoring devices's usual undercurrent power supply is responsible for maintaining by the battery, and super capacitor is responsible for electric control and monitoring devices's the power supply of heavy current in the twinkling of an eye. So, can comprehensively improve electric control and monitoring devices's combination power supply unit's life and practicality.
Description
Technical field
This utility model relates to power supply technique field, particularly relates to the group of a kind of Electric control and monitoring device
Close power supply unit.
Background technology
In power system, distribution network feeder automatization terminal (being called for short FTU), power distribution room automation equipment (are called for short
DTU), the Electric control such as metering automation terminal (be called for short TTU) and the most frequently used power supply unit of monitoring device
Usually lead-acid accumulator.
Owing to the running environment of Electric control and monitoring device is poor, summer, often temperature was too high, even up to
More than 45 degree.For needing Electric control that instantaneous large-current powers and monitoring device, (such as internal combustion engine opens
Dynamic, power switch mechanism energy storage and the device with switching mechanism energy storage), if using lead-acid accumulator to power,
Easily causing lead-acid accumulator internal resistance rising under heavy-current discharge causes terminal voltage to decline, thus terminal voltage is discontented with
The service condition of foot actuating mechanism, causes performances of the lead-acid battery to decline too fast and scrap ahead of time.Therefore, existing
Power supply unit service life short, practicality is low.
Utility model content
Based on this, it is necessary to for the problems referred to above, it is provided that a kind of electric power control improving service life and practicality
System and the associating power supply equipment of monitoring device.
The associating power supply equipment of a kind of Electric control and monitoring device, including accumulator, super capacitor, current limliting
Device and device in one-way on state,
Described current-limiting apparatus and described device in one-way on state are in parallel, and the input of described device in one-way on state is even
Connecing one end of described super capacitor, the outfan of described device in one-way on state connects the positive pole of described accumulator,
And it being used for connecting external loading, the negative pole of described accumulator connects the other end of described super capacitor；
The electric current that described current-limiting apparatus controls to flow through is less than or equal to predetermined current threshold.
The associating power supply equipment of above-mentioned Electric control and monitoring device, current-limiting apparatus passes through metering function to super
Electric capacity is charged protection, and device in one-way on state carries out discharge prevention by one-way conduction effect to super capacitor；
Accumulator and super capacitor are combined power supply, and accumulator is responsible for maintaining the usual of Electric control and monitoring device
Small area analysis is powered, and super capacitor is responsible for the instantaneous large-current of Electric control and monitoring device and is powered.Compared to making
Power with single storage battery power supply or single super capacitor, this utility model Electric control and monitoring device
Associating power supply equipment can solve the problem that hydraulic performance decline that accumulator causes is too fast because of heavy-current discharge,
It is greatly prolonged the life-span of accumulator, and solves the problem that single super capacitor power-on time remains shorter,
The service life of the comprehensive associating power supply equipment improving Electric control and monitoring device and practicality.
Accompanying drawing explanation
Fig. 1 is the structure of the associating power supply equipment of this utility model Electric control and monitoring device in an embodiment
Figure；
Fig. 2 is the structure chart of the associating power supply equipment of Electric control and monitoring device in another embodiment.
Detailed description of the invention
With reference to Fig. 1, a kind of Electric control and the associating power supply of monitoring device in this utility model one embodiment set
Standby, including accumulator 110, super capacitor 130, current-limiting apparatus 150 and device in one-way on state 170.Current limliting
Device 150 and device in one-way on state 170 are in parallel, and the input of device in one-way on state 170 connects super electricity
Holding one end of 130, the outfan of device in one-way on state 170 connects the positive pole of accumulator 110, and for even
Connecing external loading, the negative pole of accumulator 110 connects the other end of super capacitor 130.
The electric current that current-limiting apparatus 150 controls to flow through is less than or equal to predetermined current threshold.Wherein, predetermined current
Threshold value specifically can be arranged according to practical situation.Current-limiting apparatus 150 has metering function, is possible to prevent super
The charging current of electric capacity 130 is excessive.
Device in one-way on state 170 allows by the electric current flowed out from super capacitor 130, has one-way conduction
Effect, prevents electric current from flowing to super capacitor 130 from accumulator 110.
The associating power supply equipment of this utility model Electric control and monitoring device has been applied to instantaneous large-current and has powered
When the Electric control needed and monitoring device, accumulator 110 and super capacitor 130 are combined power supply.
When Electric control and monitoring device starting up or be in other need the state that big electric currents are powered time, super
Electric capacity 130 discharges to provide the big electric current of needs, now, due to the metering function of current-limiting apparatus 150,
The big electric current of super capacitor 130 output mainly flows to load by device in one-way on state 170；Simultaneously as
The one-way conduction function of device in one-way on state 170 so that can avoid while super capacitor 130 discharges
Big electric current is to super capacitor 130 reverse charge, it is achieved discharge prevention.When Electric control and monitoring device are in flat
Often duty, then mainly maintained the small area analysis of Electric control and monitoring device to power by accumulator 110.Store
Battery 110 can also charge for super capacitor 130, and current-limiting apparatus 150 is possible to prevent super capacitor 130
Charging current is excessive, it is achieved charge protection.
The associating power supply equipment of above-mentioned Electric control and monitoring device, current-limiting apparatus 150 is by metering function pair
Super capacitor 130 is charged protection, and device in one-way on state 170 passes through one-way conduction effect to super capacitor
130 carry out discharge prevention；Accumulator 110 and super capacitor 130 are combined power supply, and accumulator 110 is responsible for
The usual small area analysis maintaining Electric control and monitoring device is powered, and super capacitor 130 is responsible for Electric control and prison
The instantaneous large-current surveying device is powered.Power or single super electricity compared to using single accumulator 110
Holding 130 power supplies, the associating power supply equipment of this utility model Electric control and monitoring device can solve accumulator
The problem that 110 hydraulic performance declines caused because of heavy-current discharge are too fast, is greatly prolonged the life-span of accumulator 110,
And solve the problem that single super capacitor 130 power-on time remains shorter, comprehensive improve Electric control and
The service life of the associating power supply equipment of monitoring device and practicality.
Wherein in an embodiment, accumulator 110 include lead-acid battery, Ni-H cell, lithium ion battery,
Any one in ferric phosphate lithium cell and ter-polymers lithium battery.It is appreciated that the embodiment at other
In, accumulator 110 can also be other batteries.
Wherein in an embodiment, with reference to Fig. 2, the associating power supply equipment of above-mentioned Electric control and monitoring device is also
Including being parallel to the constant voltage equipment 140 at accumulator two ends, the voltage that constant voltage equipment 140 controls accumulator 110 is permanent
Fixed.Constant voltage equipment keeps the voltage constant of accumulator, is not less than the discharge voltage of super capacitor, thus protects
Protecting accumulator not by super capacitor reverse charging, the associating power supply that can improve Electric control and monitoring device sets
The standby safety used.
Wherein in an embodiment, current-limiting apparatus 150 includes that the first current-limiting circuit (not shown) and overvoltage are protected
Protection circuit (not shown), overvoltage crowbar and the first current-limiting circuit are in parallel, and the one end after parallel connection connects super
Level electric capacity 130, the other end after parallel connection connects accumulator 110 positive pole.The first current-limiting circuit in parallel and
Overvoltage crowbar, the existing metering function of current-limiting apparatus 150 has again overvoltage protection effect, it is achieved to super electricity
Hold the duplicate protection of 130 chargings.
In the present embodiment, the first current-limiting circuit includes connecting accumulator 110 positive pole and the limit of super capacitor 130
Stream device.Being appreciated that in other examples, the first current-limiting circuit can also use other devices to realize
Current limliting.
Wherein in an embodiment, device in one-way on state 170 includes unidirected discharge protection circuit (not shown)
With the second current-limiting circuit (not shown), the second current-limiting circuit unidirectional discharge protection circuit of series connection, unidirected discharge is protected
The protection circuit other end connects super capacitor 130, and the other end of the second current-limiting circuit connects the positive pole of accumulator 110.
The electric current that second current-limiting circuit controls to flow through, less than or equal to presetting discharge current value, presets discharge current value big
In predetermined current threshold.Second current-limiting circuit is likewise supplied with metering function, and the permission of the second current circuit is led to
Current ratio the first current-limiting circuit crossed allows the electric current passed through big.
By unidirected discharge protection circuit and the second current-limiting circuit, the existing list of device in one-way on state 170 of series connection
Big current limitation effect is had again to conducting effect, while super capacitor 130 is carried out discharge prevention, can
Load with the output circuit damage preventing super capacitor 130 excessive, improve Electric control and the group of monitoring device
Close the practicality of power supply unit.
In the present embodiment, unidirected discharge protection circuit includes diode, and the anode of diode connects super capacitor
130, the negative electrode of diode connects the second current-limiting circuit.It is appreciated that in other examples, unidirectional puts
Electric protection circuit can also use other device to realize one-way conduction.
Wherein in an embodiment, the associating power supply equipment of above-mentioned Electric control and monitoring device also includes charging
Device (not shown), current-limiting apparatus 150, device in one-way on state 170 are connected with the common port of accumulator 110 and fill
The positive pole of electrical equipment, accumulator 110 is connected the negative pole of charger with the common port of super capacitor 130.Charger
Can be accumulator 110 and super capacitor 130 charges, improve this utility model Electric control and monitoring device
The flying power of associating power supply equipment.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, its describe more concrete and
In detail, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, it is right
For those of ordinary skill in the art, without departing from the concept of the premise utility, it is also possible to do
Going out some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, this utility model is special
The protection domain of profit should be as the criterion with claims.
Claims (8)
1. an Electric control and the associating power supply equipment of monitoring device, it is characterised in that include accumulator,
Super capacitor, current-limiting apparatus and device in one-way on state,
Described device in one-way on state and described current-limiting apparatus are in parallel, and the input of described device in one-way on state is even
Connecing one end of described super capacitor, the outfan of described device in one-way on state connects the positive pole of described accumulator,
And be used for connecting external loading；The negative pole of described accumulator connects the other end of described super capacitor；
The electric current that described current-limiting apparatus controls to flow through is less than or equal to predetermined current threshold.
The associating power supply equipment of Electric control the most according to claim 1 and monitoring device, its feature exists
In, described current-limiting apparatus includes the first current-limiting circuit and overvoltage crowbar, described overvoltage crowbar and institute
Stating the first current-limiting circuit in parallel, and the one end after parallel connection connects described super capacitor, the other end after parallel connection is even
Connect described battery positive voltage.
The associating power supply equipment of Electric control the most according to claim 2 and monitoring device, its feature exists
In, described first current-limiting circuit includes connecting described super capacitor and the current limiter of described battery positive voltage.
The associating power supply equipment of Electric control the most according to claim 1 and monitoring device, its feature exists
In, described device in one-way on state includes unidirected discharge protection circuit and the second current-limiting circuit, described second current limliting
Unidirected discharge protection circuit described in circuit connected in series, the described unidirected discharge protection circuit other end connects described super
Electric capacity, the other end of described second current-limiting circuit connects the positive pole of described accumulator；Described second current-limiting circuit
The electric current controlling to flow through is less than or equal to presetting discharge current value, and described default discharge current value is more than described pre-
If current threshold.
The associating power supply equipment of Electric control the most according to claim 4 and monitoring device, its feature exists
In, described unidirected discharge protection circuit includes diode, and the anode of described diode connects described super capacitor,
The negative electrode of described diode connects described second current-limiting circuit.
The associating power supply equipment of Electric control the most according to claim 1 and monitoring device, its feature exists
In, described accumulator includes lead-acid battery, Ni-H cell, lithium ion battery, ferric phosphate lithium cell and ternary
Any one in poly-lithium battery.
The associating power supply equipment of Electric control the most according to claim 1 and monitoring device, its feature exists
In, also include the common port of charger, described current-limiting apparatus, described device in one-way on state and described accumulator
Connecting the positive pole of described charger, described accumulator is connected described charger with the common port of described super capacitor
Negative pole.
The associating power supply equipment of Electric control the most according to claim 1 and monitoring device, its feature exists
In, also including the constant voltage equipment being parallel to described accumulator two ends, described constant voltage equipment controls described accumulator
Voltage constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620433982.8U CN205646977U (en) | 2016-05-11 | 2016-05-11 | Electric control and monitoring devices's combination power supply unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620433982.8U CN205646977U (en) | 2016-05-11 | 2016-05-11 | Electric control and monitoring devices's combination power supply unit |
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| Publication Number | Publication Date |
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| CN205646977U true CN205646977U (en) | 2016-10-12 |
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| CN201620433982.8U Active CN205646977U (en) | 2016-05-11 | 2016-05-11 | Electric control and monitoring devices's combination power supply unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113641118A (en) * | 2021-06-28 | 2021-11-12 | 朱磊 | Intrinsic safety type high-precision data acquisition terminal for gas pipe network and internet of things |
-
2016
- 2016-05-11 CN CN201620433982.8U patent/CN205646977U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113641118A (en) * | 2021-06-28 | 2021-11-12 | 朱磊 | Intrinsic safety type high-precision data acquisition terminal for gas pipe network and internet of things |
| CN113641118B (en) * | 2021-06-28 | 2024-04-26 | 上海叁零肆零科技有限公司 | Intrinsic safety type gas pipe network internet-of-things high-precision data acquisition terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200922 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |
|
| TR01 | Transfer of patent right |