CN208754047U - A kind of super capacitor delay power supply - Google Patents
A kind of super capacitor delay power supply Download PDFInfo
- Publication number
- CN208754047U CN208754047U CN201821235159.1U CN201821235159U CN208754047U CN 208754047 U CN208754047 U CN 208754047U CN 201821235159 U CN201821235159 U CN 201821235159U CN 208754047 U CN208754047 U CN 208754047U
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- Prior art keywords
- circuit
- super capacitor
- power
- voltage regulator
- precharging
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Abstract
The utility model discloses a kind of super capacitor delay power supplys, it is related to super capacitor delay 24V power supply.Including super capacitor, precharging circuit, voltage regulator circuit and control circuit, super capacitor respectively with precharging circuit, voltage regulator circuit is connected with control circuit, precharging circuit obstructs diode with second respectively, 24V power cathode is connected, second barrier diode cathode is connected with 24V positive pole, precharging circuit also passes through charge relay and is connected with output relay, one contact point of charge relay is arranged in super capacitor, between precharging circuit, 24V positive pole also passes through the first barrier diode and output relay, voltage regulator circuit is connected, voltage regulator circuit is also connected with power output end, output relay is connected with power output end and control circuit.The utility model automatically switches capacitances to supply power mode after capable of having a power failure, conversion effect is good without time interval, and intelligence degree is high, practical.
Description
Technical field
The utility model relates to super capacitor delay 24V power supplys, and in particular to a kind of super capacitor delay power supply.
Background technique
Existing some occasions are after mains failure, when the governor circuit of some precision instruments needs to be delayed 1 second in factory
Data storage is carried out between, and perhaps if the equipment initialization power supply that is not delayed will result in loss of data or equipment damage etc. and ask
Topic.In order to guarantee can to continue to power after having a power failure, currently existing scheme majority is switched using UPS (uninterruptible power supply) or battery
It is powered, although ups power power supply plan can guarantee to automatically switch that its cost is excessively high, Er Qieti without power down time
Product it is larger do not allow it is easy to install；And storage battery power supply scheme mainly switching variation in voltage is bigger, and battery charging and discharging number
It is limited, it needs to safeguard in time.In view of environment division control circuit power is smaller, power down switching voltage is more demanding, fixing body
The limited problem of product designs a kind of super capacitor delay power supply, and inside uses super capacitor energy-storage, can greatly reduce power source body
Product, and voltage regulator circuit is contained in inside, and for voltage steadily without interval time, practical prospect is wide in power down conversion process.
In conclusion the utility model devises a kind of super capacitor delay 24V power supply.
Utility model content
In view of the shortcomings of the prior art, the utility model aims to provide a kind of super capacitor delay electricity
Powering mode is automatically switched in source after capable of having a power failure, conversion effect is good, and intelligence degree is high, practical.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of super capacitor prolongs
When power supply, including super capacitor, precharging circuit, voltage regulator circuit and control circuit, super capacitor respectively with precharging circuit, pressure stabilizing electricity
Road is connected with control circuit, and precharging circuit is connected with the second barrier diode, 24V power cathode respectively, the second barrier diode
Anode is connected with 24V positive pole, and precharging circuit also passes through charge relay and is connected with output relay, and the one of charge relay
Contact point is arranged between super capacitor, precharging circuit, and 24V positive pole also passes through the first barrier diode and output relay
Device, voltage regulator circuit are connected, and voltage regulator circuit is also connected with power output end, output relay and power output end and control circuit phase
Even.
Preferably, the super capacitor is 10 concatenated super capacitors, single super capacitor pressure resistance 2.7V.
The utility model has the beneficial effects that
1, opposite battery and electrolytic capacitor, super capacitor energy-storage power density is high, and volume can effectively reduce.
2, limited for installation space, conversion voltage requires high, and power is less than the occasion of 50W, the utility model occupy compared with
Big advantage.Experiments prove that combination efficient circuit is formed, accumulation power supply is feasible, and product is made into guide rail for the utility model
Power supply shape is directly installed in control cabinet, and relative to similar products, volume reduces 60%, and practicability is stronger.
Detailed description of the invention
It is described in detail the utility model with reference to the accompanying drawings and detailed description；
Fig. 1 is the structure principle chart of the utility model；
Fig. 2 is the application schematic diagram of the utility model.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
- Fig. 2 referring to Fig.1, present embodiment use following technical scheme: a kind of super capacitor delay power supply, including
Super capacitor 1, precharging circuit 2, voltage regulator circuit 3 and control circuit 4, super capacitor 1 respectively with precharging circuit 2, voltage regulator circuit 3 and
Control circuit 4 is connected, and precharging circuit 2 is connected with second barrier diode D2,24V power cathode respectively, the second barrier diode
D2 anode is connected with 24V positive pole, and precharging circuit 2 is also connected with output relay K1 by charge relay K2, charge after
A contact point of electric appliance K2 is arranged between super capacitor 1, precharging circuit 2, and 24V positive pole also passes through the first barrier diode
D1 is connected with output relay K1, voltage regulator circuit 3, and voltage regulator circuit 3 is also connected with power output end, output relay K1 and power supply
Output end and control circuit 4 are connected.
Present embodiment includes four super capacitor, precharging circuit, voltage regulator circuit and control circuit main parts.It is super
Grade single pressure resistance of capacitor is 2.7V, is connected using 10, can satisfy the resistance to pressure request of 24V, while using active pressure side
Formula guarantees that single super-capacitor voltage is more than that 2.5V will realize protection.Precharging circuit is realization current-limiting protection in charging process
Circuit prevents from after powering on causing front end power supply overcurrent damage because capacitance is excessive, when capacitor charging reaches 22V, charging
Relay K2 closure.Voltage regulator circuit is completed using boost module, this circuit of normal mode does not work, and when having a power failure, capacitor discharged
Voltage slowly reduces in journey, in order to guarantee that output voltage is higher than 23V, designs this booster circuit and is necessary.And control electricity
Road mainly controls output relay K1 and charge relay K2, and when super-capacitor voltage reaches 22V, K2 closure is pre-
Charging complete.When super-capacitor voltage reaches 23V, K1 is closed powering load, when the purpose is to prevent front end power source charges
Overload, while for autoprotection when capacitance voltage disconnects K1 powering load lower than 10V.
It is worth noting that, have the first barrier diode D1 in the circuit diagram, it is defeated the purpose is to be prevented when having a power failure
Voltage flows backward to input power out.
Present embodiment, when super capacitor is delayed plant-grid connection 24V electricity, buffer circuit starts to fill to super capacitor
Electricity, charging current 1.5A, capacitance voltage reaches 22V after 5 seconds, and charge relay K2 closure completes precharge at this time.When
When capacitance voltage reaches 23V, control circuit provides signal and is closed output relay K1, and the indicator light is always at this time, input power
Direct powering load.When having a power failure without 24V voltage input, super capacitor electric energy generates 23V voltage to negative by voltage regulator circuit
Power supply is carried, and voltage is steadily without interval time.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (2)
- The power supply 1. a kind of super capacitor is delayed, which is characterized in that including super capacitor (1), precharging circuit (2), voltage regulator circuit (3) With control circuit (4), super capacitor (1) is connected with precharging circuit (2), voltage regulator circuit (3) and control circuit (4) respectively, preliminary filling Circuit (2) is connected with the second barrier diode (D2), 24V power cathode respectively, the second barrier diode (D2) anode and 24V electricity Source anode is connected, and precharging circuit (2) is also connected by charge relay (K2) with output relay (K1), charge relay (K2) A contact point be arranged between super capacitor (1), precharging circuit (2), 24V positive pole also passes through the first barrier diode (D1) it is connected with output relay (K1), voltage regulator circuit (3), voltage regulator circuit (3) is also connected with power output end, output relay (K1) it is connected with power output end and control circuit (4).
- The power supply 2. a kind of super capacitor according to claim 1 is delayed, which is characterized in that the super capacitor (1) is 10 concatenated super capacitors, single super capacitor pressure resistance 2.7V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821235159.1U CN208754047U (en) | 2018-08-02 | 2018-08-02 | A kind of super capacitor delay power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821235159.1U CN208754047U (en) | 2018-08-02 | 2018-08-02 | A kind of super capacitor delay power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208754047U true CN208754047U (en) | 2019-04-16 |
Family
ID=66059354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821235159.1U Expired - Fee Related CN208754047U (en) | 2018-08-02 | 2018-08-02 | A kind of super capacitor delay power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208754047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952980A (en) * | 2021-02-07 | 2021-06-11 | 青岛博宁福田智能交通科技发展有限公司 | Power supply delay power-off module |
-
2018
- 2018-08-02 CN CN201821235159.1U patent/CN208754047U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952980A (en) * | 2021-02-07 | 2021-06-11 | 青岛博宁福田智能交通科技发展有限公司 | Power supply delay power-off module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 Termination date: 20190802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |