CN206922483U - A kind of intelligent meter super capacitor power supply circuit - Google Patents
A kind of intelligent meter super capacitor power supply circuit Download PDFInfo
- Publication number
- CN206922483U CN206922483U CN201720855818.0U CN201720855818U CN206922483U CN 206922483 U CN206922483 U CN 206922483U CN 201720855818 U CN201720855818 U CN 201720855818U CN 206922483 U CN206922483 U CN 206922483U
- Authority
- CN
- China
- Prior art keywords
- diode
- super capacitor
- power supply
- anode
- supply circuit
- 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.)
- Active
Links
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model provides a kind of intelligent meter super capacitor power supply circuit, including diode D1, diode D2, diode D4, voltage-regulator diode D3, electric capacity C1, resistance R1 and super capacitor SC1, the Vin ends of battery connect voltage-regulator diode D3 negative electrode, electric capacity C1 positive pole, diode D1 anode and diode D4 anode respectively, the lout ends of power supply connect respectively voltage-regulator diode D3 anode, electric capacity C1 negative pole and meet GND；Diode D1 negative electrode and diode D2 negative electrode connect VCC, diode D4 negative electrode connection resistance R1 one end jointly, and the resistance R1 other end is commonly connected to super capacitor SC1 positive pole with diode D2 anode, and the negative pole of super capacitor meets GND.The utility model adds the antijamming capability of system, effectively extends the service life of farad capacitor, avoids influence of the big discharge current to battery life.
Description
Technical field
It the utility model is related to intelligent meter field, more particularly to a kind of intelligent meter super capacitor power supply circuit.
Background technology
With the lifting that China is information-based, intelligent and technicalization is horizontal, intelligent metering technology is in water meter, ammeter, combustion
Application in gas meter, calorimeter is also more and more extensive.China is to intelligent electric meter, intellectual water meter, intelligent gas meter, intelligence at present
Can the research and building-up work of calorimeter progress energetically.With the continuous quickening of power network process of reform, intelligent electric meter in China
Large-scale popularization is obtained, the application of intellectual water meter, gas meter, flow meter and calorimeter is also more and more extensive.
Intellectual water meter, intelligent gas meter, intelligent calorimeter or other Internet of Things modules use battery powered mostly, super
Capacitances to supply power circuit is used to after external cell is by artificial pull out, control valve using the electric energy stored in super capacitor
State is uploaded to background management system by system.Existing super capacitor power supply circuit lacks ESD and device of surge protector, right
The antijamming capability of ESD or surging signal is poor；It is constantly frequent from super capacitor power taking, super capacitor when system works
Charging and discharging state is worked in, reduces the service life of super capacitor；When electric on battery, super capacitor charging current is larger,
Battery works in heavy-current discharge state, reduces the service life of battery.
Utility model content
To overcome the deficiencies in the prior art, the utility model provides a kind of intelligent meter super capacitor power supply circuit, resists
Interference performance is strong, extends the service life of battery.
The utility model uses following technical scheme：
A kind of intelligent meter super capacitor power supply circuit, wherein, including diode D1, diode D2, diode D4, voltage stabilizing
Diode D3, electric capacity C1, resistance R1 and super capacitor SC1, the Vin ends of battery connect voltage-regulator diode D3 negative electrode, electricity respectively
Hold C1 positive pole, diode D1 anode and diode D4 anode, the lout ends of power supply connect voltage-regulator diode D3's respectively
Anode, electric capacity C1 negative pole and meet GND；The negative electrode of the diode D1 and diode D2 negative electrode connect VCC jointly, and described two
Pole pipe D4 negative electrode connection resistance R1 one end, the other end of the resistance R1 and diode D2 anode are commonly connected to super
Electric capacity SC1 positive pole, the negative pole of the super capacitor meet GND.
Preferably, the diode D1 is Schottky diode.
Preferably, the diode D2 is Schottky diode.
Preferably, the diode D4 is Schottky diode.
Preferably, the diode D1, diode D2 and diode D4 are DFLS1100-7.
Preferably, the voltage-regulator diode D3 is PESD5V0S1UB.
The beneficial effects of the utility model are as follows：
1st, the utility model adds ESD and device of surge protector, adds the antijamming capability of system；
2nd, during the utility model normal work, system from super capacitor power taking, does not extend making for farad capacitor effectively
Use the life-span；
3rd, when electric on the utility model battery, the charging capacitor of super capacitor is restricted to VIN/R1, avoids big electric discharge
The influence in current versus cell life-span.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.
Fig. 1 is the circuit theory diagrams of intelligent meter power supply circuit in the prior art.
Fig. 2 is a kind of circuit theory diagrams of intelligent meter super capacitor power supply circuit of the utility model.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
As shown in figure 1, the intelligent meter power supply circuit of prior art, power supply/battery interface VIN are connected to diode D1's
Anode, diode D1 negative electrode connects super capacitor SC1 positive pole, to system power supply.The circuit lacks ESD (Electro-
Static discharge, electrostatic impedor) and device of surge protector, it is poor to the antijamming capability of ESD or surging signal；
And during system work, constantly reduced super in charging and discharging state from super capacitor SC1 power takings, super capacitor SC1 frequent operations
Level electric capacity SC1 service life.When electric on battery, super capacitor SC1 charging currents are larger, and battery works in heavy-current discharge
State, reduce the service life of battery.
As shown in Fig. 2 the utility model provides a kind of intelligent meter super capacitor power supply circuit, including diode D1, two
Pole pipe D2, diode D4, voltage-regulator diode D3, electric capacity C1, resistance R1 and super capacitor SC1, diode D1, diode D2 and two
Pole pipe D4 is Schottky diode, from DFLS1100-7, voltage-regulator diode PESD5V0S1UB.
The Vin ends of battery connect voltage-regulator diode D3 negative electrode, electric capacity C1 positive pole, diode D1 anode and two respectively
Pole pipe D4 anode, the lout ends of power supply connect respectively voltage-regulator diode D3 anode, electric capacity C1 negative pole and meet GND；Two poles
Pipe D1 negative electrode and diode D2 negative electrode connect VCC jointly, and diode D4 negative electrode connects resistance R1 one end, resistance R1's
The other end and diode D2 anode are commonly connected to super capacitor SC1 positive pole, and the negative pole of super capacitor meets GND.
Voltage-regulator diode D3 anode connection battery BAT lout ends, negative electrode connection Vin ends, for eliminating ESD interference,
Electric capacity C1 is used to eliminate the surge in power supply signal.Diode D4 and resistance R1 plays cushioning effect when electric on battery, limits
The high current of battery powered on moment.Due to diode D4 effect, super capacitor SC1 ceiling voltage is inevitably less than VIN, due to
Super capacitor SC1 ceiling voltage is less than VIN, and when diode D2 causes normal work, system is from battery electricity-taking, rather than from super
Level electric capacity SC1 power takings, extend super capacitor service life.
Diode D1 is used for after preventing battery from pulling out, and electric current reversely flow to VIN by VCC, and then can be system at VIN ends
Detect power-off signal；ESD and device of surge protector, add the antijamming capability of system.During normal work, system is not from super
Level electric capacity SC1 power takings, effectively extend farad capacitor SC1 service life；When electric on battery, super capacitor SC1's fills
Electric capacity is restricted to VIN/R1, avoids influence of the big discharge current to battery life.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (6)
- A kind of 1. intelligent meter super capacitor power supply circuit, it is characterised in that：Including diode D1, diode D2, diode D4, Voltage-regulator diode D3, electric capacity C1, resistance R1 and super capacitor SC1, the Vin ends of battery connect voltage-regulator diode D3 the moon respectively Pole, electric capacity C1 positive pole, diode D1 anode and diode D4 anode, the lout ends of power supply connect voltage-regulator diode respectively D3 anode, electric capacity C1 negative pole and meet GND；The negative electrode of the diode D1 and diode D2 negative electrode connect VCC jointly, institute Diode D4 negative electrode connection resistance R1 one end is stated, the anode of the other end and diode D2 of the resistance R1 is commonly connected to Super capacitor SC1 positive pole, the negative pole of the super capacitor meet GND.
- 2. intelligent meter super capacitor power supply circuit according to claim 1, it is characterised in that：The diode D1 is Xiao Special based diode.
- 3. intelligent meter super capacitor power supply circuit according to claim 1, it is characterised in that：The diode D2 is Xiao Special based diode.
- 4. intelligent meter super capacitor power supply circuit according to claim 1, it is characterised in that：The diode D4 is Xiao Special based diode.
- 5. intelligent meter super capacitor power supply circuit according to claim 1, it is characterised in that：The diode D1, two Pole pipe D2 and diode D4 is DFLS1100-7.
- 6. intelligent meter super capacitor power supply circuit according to claim 1, it is characterised in that：The voltage-regulator diode D3 For PESD5V0S1UB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720855818.0U CN206922483U (en) | 2017-07-14 | 2017-07-14 | A kind of intelligent meter super capacitor power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720855818.0U CN206922483U (en) | 2017-07-14 | 2017-07-14 | A kind of intelligent meter super capacitor power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206922483U true CN206922483U (en) | 2018-01-23 |
Family
ID=61347390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720855818.0U Active CN206922483U (en) | 2017-07-14 | 2017-07-14 | A kind of intelligent meter super capacitor power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206922483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336786A (en) * | 2018-02-11 | 2018-07-27 | 深圳市显控科技股份有限公司 | A kind of anti-load power source oscillating circuit for farad capacitor backup power supply |
| CN108429332A (en) * | 2018-05-18 | 2018-08-21 | 扬州万泰电子科技有限公司 | A kind of super capacitor application circuit of battery changeable type intelligent electric energy meter power supply |
-
2017
- 2017-07-14 CN CN201720855818.0U patent/CN206922483U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336786A (en) * | 2018-02-11 | 2018-07-27 | 深圳市显控科技股份有限公司 | A kind of anti-load power source oscillating circuit for farad capacitor backup power supply |
| CN108429332A (en) * | 2018-05-18 | 2018-08-21 | 扬州万泰电子科技有限公司 | A kind of super capacitor application circuit of battery changeable type intelligent electric energy meter power supply |
| WO2019218882A1 (en) * | 2018-05-18 | 2019-11-21 | 扬州万泰电子科技有限公司 | Super-capacitor application circuit of replaceable battery type smart electric energy meter power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204068347U (en) | A kind of solar control circuit | |
| CN206922483U (en) | A kind of intelligent meter super capacitor power supply circuit | |
| CN201956915U (en) | Circuit for reducing standby power consumption of RC (Resistance-Capacitance) reduction voltage power circuit | |
| CN104868550B (en) | The cell activation control circuit of uninterrupted dc source | |
| CN204271668U (en) | A kind of solar cell charge-discharge controller | |
| CN206921967U (en) | A kind of lithium cell activated circuit for intellectual water meter | |
| CN108964081A (en) | It is a kind of applied to stablize microgrid energy-storage system output circuit structure | |
| CN201797020U (en) | Parallel battery pack | |
| CN204119152U (en) | Photovoltaic power supply system intelligent inverter | |
| CN203708096U (en) | Power supply protection circuit and power supply | |
| CN209119829U (en) | A kind of shutdown expansion stream lithium battery charging circuit | |
| CN207705865U (en) | A kind of charging pile circuit | |
| CN203398843U (en) | M-BUS bus equipment based auxiliary power supply | |
| CN202444330U (en) | Voltage-sharing modules and voltage-sharing devices of series super-capacitor module group | |
| CN202712957U (en) | Power down maintenance circuit of direct current power supply | |
| CN202004490U (en) | Household lithium ion battery repair device | |
| CN207320883U (en) | Rechargeable battery manages circuit | |
| CN207265730U (en) | A kind of electric energy meter with super capacitor | |
| CN201797341U (en) | Discharge output circuit device for vanadium cell | |
| CN203747777U (en) | Reset circuit | |
| CN205283194U (en) | Battery management system's linear power supply | |
| CN204794042U (en) | Overvoltage crowbar of lithium cell constant current quick charge | |
| CN203788053U (en) | Energy storage system based on solar cells and super capacitor sets | |
| CN204669063U (en) | Gas heater power supply unit | |
| CN204349510U (en) | There is the quick charger of temperature control loops |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |