CN208835817U - A kind of powersupply system of data acquisition equipment - Google Patents
A kind of powersupply system of data acquisition equipment Download PDFInfo
- Publication number
- CN208835817U CN208835817U CN201821676293.5U CN201821676293U CN208835817U CN 208835817 U CN208835817 U CN 208835817U CN 201821676293 U CN201821676293 U CN 201821676293U CN 208835817 U CN208835817 U CN 208835817U
- Authority
- CN
- China
- Prior art keywords
- capacitor
- resistance
- super capacitor
- data acquisition
- super
- 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
- Semiconductor Integrated Circuits (AREA)
Abstract
The utility model discloses a kind of powersupply system of data acquisition equipment, including mains connection mouth, the mains connection mouth is used for external alternating current, for powering to data acquisition equipment；It further include super capacitor and the super capacitor control circuit being connect with super capacitor, super capacitor protection circuit；The super capacitor is used to power to data acquisition equipment, and data acquisition equipment can also charge to super capacitor.The utility model, in the case where happening suddenly power failure, provides power supply to data acquisition equipment using super capacitor, so that it is completed data and saves, prevents loss of data.The utility model is suitable for data acquisition equipment field.
Description
Technical field
The utility model relates to data acquisition equipment fields, more particularly to a kind of power supply electricity of data acquisition equipment
Source system.
Background technique
With the development of science and technology the development of technology, the increase of business demand, so that people want the statistics of information, analysis
Ask also higher and higher.Stability, the integrality of big data information age data acquisition are one of vital factors.Guarantee
The integrality of information collection must ensure that data acquisition equipment can operate normally first, and endlessly power is to guarantee acquisition
Equipment steady operation shifts to an earlier date.Available data acquisition equipment dynamic generally uses mains-supplied；
This power supply mode still remains shortcoming: in the case where such as encountering power failure emergency event, data acquisition equipment
The data of acquisition can not acquire in time and report and save.Acquisition loss of data is caused, later data analysis etc. is caused very big
It is inconvenient.
Utility model content
The utility model can not save data to solve the problem of that data acquisition equipment encounters unexpected power failure in time, mention
A kind of powersupply system of data acquisition equipment has been supplied, has had and carries out storing a small amount of electricity using super capacitor, can guarantee
Data acquisition equipment starts the characteristics of saving data in time.
To realize above-mentioned the utility model aim, the technical solution adopted is as follows: a kind of power supply electricity of data acquisition equipment
Source system, including mains connection mouth, the mains connection mouth are used for external alternating current, for powering to data acquisition equipment；
It further include super capacitor and the super capacitor control circuit being connect with super capacitor, super capacitor protection circuit；It is described super
Capacitor is used to power to data acquisition equipment, and data acquisition equipment can also charge to super capacitor.
Preferably, the super capacitor control circuit include CMOS tube Q13, resistance R138, capacitor C71, resistance R146,
NPN triode Q1 5, resistance R150, resistance R148；
The source electrode of the CMOS tube Q13 connects the anode of super capacitor, and the drain electrode of the CMOS tube Q13 connects data acquisition equipment
Master board, the grid of the CMOS tube Q13 connects the collector of NPN triode Q1 5 by resistance R146；
The resistance R138 is connected in parallel on source electrode and the grid both ends of CMOS tube Q13；
The drain electrode of a termination CMOS tube Q13 of the capacitor C71, the emitter of another termination NPN triode Q1 5；
The emitter of the NPN triode Q1 5 is grounded, and the resistance R150 is connected in parallel on the base stage and hair of NPN triode Q1 5
Emitter-base bandgap grading both ends；
The base stage of the NPN triode Q1 5 is by resistance R148 for connecting with main control module.
Preferably, the super capacitor protection circuit includes super capacitor protection chip U102, super capacitor protection chip
U103, resistance R102, resistance R105, resistance R104, resistance R106, capacitor E105, capacitor E106, diode D101, capacitor
C49, capacitor C58, DCDC module, capacitor E4, thermistor RT1, diode D19, diode D21, capacitor C57, capacitor C55；
The IOUT pin and GND pin of the super capacitor protection chip U103 is connected in parallel resistance R105, and GND pin connects
The SEL pin on ground, the super capacitor protection chip U103 is connect by resistance R106 with the anode of capacitor E106, while super
The VDD pin of capacitor protection chip U103 is connect with the anode of capacitor E106；The cathode of capacitor E106 is grounded；
The IOUT pin and GND pin of the super capacitor protection chip U102 is connected in parallel resistance R102, described super
The SEL pin of capacitor protection chip U102 is connect by resistance R104 with the anode of capacitor E105, while super capacitor protects core
The VDD pin of piece U102 is connect with the anode of capacitor E105；
The anode of the capacitor E106 is connect with the cathode of E105, the GND pin of the super capacitor protection chip U102
It connects between capacitor E105 and capacitor E106；
The anode of the capacitor E105 connects the anode of diode D101, is discharged by diode D101 to 5V；
The anode of the capacitor E105 connects the positive input terminal of DCDC module, and the positive input terminal and negative input end of DCDC module are simultaneously
The negative input end ground connection of connection connection capacitor C49, capacitor C58, DCDC module；
Capacitor E4 is connected in parallel between the positive output end and negative output terminal of the DCDC module；The DCDC module it is just defeated
Outlet connected thermistor RT1, diode D19 charges to super capacitor；
The positive output end of the DCDC module also passes through diode D21 and meets 5V；
The cathode of the diode D21 and the negative output terminal of DCDC module are connected in parallel capacitor C57, capacitor C55 simultaneously；
The negative output terminal ground connection of DCDC module simultaneously.
The beneficial effects of the utility model are as follows: the utility model is using super capacitor protection chip and protection circuit pair
Super capacitor carries out overvoltage protection, it is ensured that super capacitor will not generate breakdown because of over-voltage；A small amount of electricity is stored using super capacitor
Amount can guarantee that data collection system does not power off, save data in time, effectively prevent loss of data when encountering burst power failure.
Detailed description of the invention
Fig. 1 is the system framework figure of the powersupply system of data acquisition equipment of the present invention.
Fig. 2 is a portion circuit diagram of super capacitor protection circuit of the present invention.
Fig. 3 is a part of circuit diagram and electric operation control circuit figure of the super protection circuit of the present invention.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
Embodiment 1
As shown in Figure 1, a kind of powersupply system of data acquisition equipment, including mains connection mouth, the city are electrically connected
Port is connect for external alternating current, for powering to data acquisition equipment；Further include super capacitor and is connect with super capacitor
Super capacitor control circuit, super capacitor protection circuit；The super capacitor is used to power to data acquisition equipment, data acquisition
Equipment can also charge to super capacitor.
As shown in Figure 2 and Figure 3, the super capacitor control circuit includes CMOS tube Q13, resistance R138, capacitor C71, resistance
R146, NPN triode Q1 5, resistance R150, resistance R148；Wherein the CMOS tube Q13 uses WPM3407 model, tri- pole NPN
Pipe Q15 uses MMBT39047 model.
The source electrode of the CMOS tube Q13 connects the anode of super capacitor, and the drain electrode of the CMOS tube Q13 connects data acquisition equipment
Master board, the grid of the CMOS tube Q13 connects the collector of NPN triode Q1 5 by resistance R146；
The resistance R138 is connected in parallel on source electrode and the grid both ends of CMOS tube Q13；
The drain electrode of a termination CMOS tube Q13 of the capacitor C71, the emitter of another termination NPN triode Q1 5；
The emitter of the NPN triode Q1 5 is grounded, and the resistance R150 is connected in parallel on the base stage and hair of NPN triode Q1 5
Emitter-base bandgap grading both ends；
The base stage of the NPN triode Q1 5 is by resistance R148 for connecting with main control module.
As shown in figure 3, the super capacitor protection circuit includes super capacitor protection chip U102, super capacitor protection core
Piece U103, resistance R102, resistance R105, resistance R104, resistance R106, capacitor E105, capacitor E106, diode D101, capacitor
C49, capacitor C58, DCDC module, capacitor E4, thermistor RT1, diode D19, diode D21, capacitor C57, capacitor C55；
Wherein the super capacitor protection chip U103 uses BW6101 model.
The IOUT pin and GND pin of the super capacitor protection chip U103 is connected in parallel resistance R105, and GND pin connects
The SEL pin on ground, the super capacitor protection chip U103 is connect by resistance R106 with the anode of capacitor E106, while super
The VDD pin of capacitor protection chip U103 is connect with the anode of capacitor E106；The cathode of capacitor E106 is grounded；
The IOUT pin and GND pin of the super capacitor protection chip U102 is connected in parallel resistance R102, described super
The SEL pin of capacitor protection chip U102 is connect by resistance R104 with the anode of capacitor E105, while super capacitor protects core
The VDD pin of piece U102 is connect with the anode of capacitor E105；
The anode of the capacitor E106 is connect with the cathode of E105, the GND pin of the super capacitor protection chip U102
It connects between capacitor E105 and capacitor E106；
The anode of the capacitor E105 connects the anode of diode D101, is discharged by diode D101 to 5V；Here be to
5V power supply, specific electric discharge is controlled by Q13 discharges.
The anode of the capacitor E105 connects the positive input terminal of DCDC module, and the positive input terminal and negative input end of DCDC module are simultaneously
The negative input end ground connection of connection connection capacitor C49, capacitor C58, DCDC module；
Capacitor E4 is connected in parallel between the positive output end and negative output terminal of the DCDC module；The DCDC module it is just defeated
Outlet connected thermistor RT1, diode D19 charges to super capacitor；
The positive output end of the DCDC module also passes through diode D21 and meets 5V；Battery or solar energy are defeated by DCDC module
It powers out to 5V, the purpose of D21 is added to protect DCDC chip (ward off and exempt to damage DCDC chip when 5V load is wrong)
The cathode of the diode D21 and the negative output terminal of DCDC module are connected in parallel capacitor C57, capacitor C55 simultaneously；
The negative output terminal ground connection of DCDC module simultaneously.
Super capacitor protection chip U102, the super capacitor protection chip U103 can carry out monomer mistake to super capacitor
Pressure protection, makes to can guarantee safe charging in super capacitor charging process, will not puncture super capacitor, cause danger etc..
A, charging explanation:
1), system DC-DC power source exports 5.3V, is filled by RT1 (current limliting), D19 to super capacitor V3F under regular situation
Electricity；
2), after system starting, after main control module exports high level, by CMOS tube Q13 from the quick charge of the end 5V；
B, when inputting power-off, capacitor discharge scenario:
1), main control module exports high level state, and super capacitor V3F is powered by CMOS tube Q13 to 5V；
2), in the case of system cut-off, after completing data processing, level is set low to main control module, super capacitor V3F stops
It discharges 5V；That is: system is fully powered-off at this time；
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.It is made within the spirit and principle of the present invention any to repair
Change, equivalent replacement and improvement etc., should be included within the utility model scope of the claims.
Claims (3)
1. a kind of powersupply system of data acquisition equipment, including mains connection mouth, the mains connection mouth is for outer
Alternating current is connect, for powering to data acquisition equipment；What is connect it is characterized by also including super capacitor and with super capacitor is super
Grade capacitor control circuit, super capacitor protection circuit；The super capacitor is used to power to data acquisition equipment, and data acquisition is set
It is standby to charge to super capacitor.
2. the powersupply system of data acquisition equipment according to claim 1, it is characterised in that: the super capacitor control
Circuit processed includes CMOS tube Q13, resistance R138, capacitor C71, resistance R146, NPN triode Q1 5, resistance R150, resistance R148；
The source electrode of the CMOS tube Q13 connects the anode of super capacitor, and the drain electrode of the CMOS tube Q13 meets the master of data acquisition equipment
The grid of control panel, the CMOS tube Q13 connects the collector of NPN triode Q1 5 by resistance R146；
The resistance R138 is connected in parallel on source electrode and the grid both ends of CMOS tube Q13；
The drain electrode of a termination CMOS tube Q13 of the capacitor C71, the emitter of another termination NPN triode Q1 5；
The emitter of the NPN triode Q1 5 is grounded, and the resistance R150 is connected in parallel on the base stage and emitter of NPN triode Q1 5
Both ends；
The base stage of the NPN triode Q1 5 is by resistance R148 for connecting with main control module.
3. the powersupply system of data acquisition equipment according to claim 1, it is characterised in that: the super capacitor is protected
Protection circuit includes super capacitor protection chip U102, super capacitor protection chip U103, resistance R102, resistance R105, resistance
R104, resistance R106, capacitor E105, capacitor E106, diode D101, capacitor C49, capacitor C58, DCDC module, capacitor E4, heat
Quick resistance RT1, diode D19, diode D21, capacitor C57, capacitor C55；
The IOUT pin and GND pin of the super capacitor protection chip U103 is connected in parallel resistance R105, and GND pin is grounded,
The SEL pin of the super capacitor protection chip U103 is connect by resistance R106 with the anode of capacitor E106, while super electricity
The VDD pin for holding protection chip U103 is connect with the anode of capacitor E106；The cathode of capacitor E106 is grounded；
The IOUT pin and GND pin of the super capacitor protection chip U102 is connected in parallel resistance R102, the super capacitor
The SEL pin of protection chip U102 is connect by resistance R104 with the anode of capacitor E105, while super capacitor protects chip
The VDD pin of U102 is connect with the anode of capacitor E105；
The anode of the capacitor E106 is connect with the cathode of E105, and the GND pin of the super capacitor protection chip U102 connects
Between capacitor E105 and capacitor E106；
The anode of the capacitor E105 connects the anode of diode D101, is discharged by diode D101 to 5V；
The anode of the capacitor E105 connects the positive input terminal of DCDC module, and the positive input terminal of DCDC module is in parallel with negative input end to be connected
Connect the negative input end ground connection of capacitor C49, capacitor C58, DCDC module；
Capacitor E4 is connected in parallel between the positive output end and negative output terminal of the DCDC module；The positive output end of the DCDC module
Connected thermistor RT1, diode D19 charges to super capacitor；
The positive output end of the DCDC module also passes through diode D21 and meets 5V；
The cathode of the diode D21 and the negative output terminal of DCDC module are connected in parallel capacitor C57, capacitor C55 simultaneously；
The negative output terminal ground connection of DCDC module simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821676293.5U CN208835817U (en) | 2018-10-16 | 2018-10-16 | A kind of powersupply system of data acquisition equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821676293.5U CN208835817U (en) | 2018-10-16 | 2018-10-16 | A kind of powersupply system of data acquisition equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208835817U true CN208835817U (en) | 2019-05-07 |
Family
ID=66318407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821676293.5U Active CN208835817U (en) | 2018-10-16 | 2018-10-16 | A kind of powersupply system of data acquisition equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208835817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120052A (en) * | 2018-10-16 | 2019-01-01 | 广东电网有限责任公司 | A kind of powersupply system of data acquisition equipment |
| CN113629849A (en) * | 2021-07-30 | 2021-11-09 | 科大智能电气技术有限公司 | Alternating current power supply and backup power supply system of energy controller and use method |
-
2018
- 2018-10-16 CN CN201821676293.5U patent/CN208835817U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120052A (en) * | 2018-10-16 | 2019-01-01 | 广东电网有限责任公司 | A kind of powersupply system of data acquisition equipment |
| CN109120052B (en) * | 2018-10-16 | 2024-01-23 | 广东电网有限责任公司 | Power supply system of data acquisition equipment |
| CN113629849A (en) * | 2021-07-30 | 2021-11-09 | 科大智能电气技术有限公司 | Alternating current power supply and backup power supply system of energy controller and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103984610B (en) | FPGA (Field Programmable Gate Array) based power failure protection system and method | |
| CN208835817U (en) | A kind of powersupply system of data acquisition equipment | |
| CN103812197A (en) | Mobile power supply | |
| CN106558980B (en) | A kind of enabled control circuit | |
| CN106849329A (en) | A kind of electric energy meter power supply circuit | |
| CN204068199U (en) | A kind of under-voltage surge current protection circuit | |
| CN103545891A (en) | Lithium battery charging circuit | |
| CN202153645U (en) | Electric device based on OTG interface charging | |
| CN208257490U (en) | A kind of photovoltaic energy storage device | |
| CN109687400A (en) | A kind of low consumption circuit and its implementation suitable for battery protection | |
| CN208369280U (en) | A kind of lithium battery protection circuit | |
| CN204068210U (en) | Short-circuit protection circuit | |
| CN104035344A (en) | Power saving device | |
| CN109120052A (en) | A kind of powersupply system of data acquisition equipment | |
| CN205039513U (en) | High -power circuit protector against power failure of high efficiency | |
| CN204465060U (en) | A kind of novel battery management decorum circuit arrangement for powering | |
| CN207801568U (en) | Power-supply system with warm connection function | |
| CN103633973A (en) | A power supply reset circuit with zero standby current consumption | |
| CN106532838A (en) | Internal circuit of charger of using USB interface of computer | |
| CN205509846U (en) | Ammeter power failure intelligence circuit of checking meter | |
| CN202472546U (en) | MCU (Microprogrammed Control Unit) resetting device | |
| CN204794042U (en) | Overvoltage crowbar of lithium cell constant current quick charge | |
| CN110601518A (en) | Vehicle navigation quick discharge circuit | |
| CN212568940U (en) | Improved intelligent electric meter | |
| CN217087764U (en) | Anti-interference power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |