CN206673636U - A kind of portable power supply device of industrial instrument - Google Patents
A kind of portable power supply device of industrial instrument Download PDFInfo
- Publication number
- CN206673636U CN206673636U CN201720353887.1U CN201720353887U CN206673636U CN 206673636 U CN206673636 U CN 206673636U CN 201720353887 U CN201720353887 U CN 201720353887U CN 206673636 U CN206673636 U CN 206673636U
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- circuit
- power supply
- supply device
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Abstract
The utility model belongs to field of industrial automation control, more particularly to a kind of portable power supply device of industrial instrument.It is characterized in that it is made up of main control unit circuit, programmable DC/DC change-over circuits, system power supply circuit, transmission of electricity stream amplifier circuit, output selection and condition indication circuit, charging circuit, poly-lithium battery, external power source input interface and power supply output interface；The output of fourth gear voltage DC power supply can be achieved, cover the main flow powering mode of current water meter, gas meter, flow meter measurement controller；Using chargeable poly-lithium battery, the use cost of disposable battery is reduced, reduces environmental pollution；There is overcurrent protection and over-discharge protection simultaneously, there is higher safety in utilization.
Description
Technical field
The utility model belongs to field of industrial automation control, the portable power dress of more particularly to a kind of industrial instrument
Put.
Background technology
At present, for being all by product script using battery powered appliance and the instrument used power supply in production test
Required battery（Generally alkaline battery or disposable lithium cell）Either alternating current in kind changes into direct current offer.The former can not
Charging, place and take out difficulty, influence production efficiency, and utilization rate is low, it is not environmentally friendly enough；The latter's moving range has limitation, not enough
It is portable.
Utility model content
For problems of the prior art, the purpose of this utility model is to provide a kind of the portable of industrial instrument
Formula electric supply installation, realizes repeatable utilization and output voltage is optional.
The portable power supply device of described a kind of industrial instrument, it is characterised in that the electric supply installation includes main control unit
Circuit, programmable DC/DC change-over circuits, system power supply circuit, output current amplifier circuit, output selection and state instruction
Circuit, charging circuit, poly-lithium battery, external power source input interface and power supply output interface；
External power source input interface is connected with charging circuit electrically conducting, charging circuit respectively with poly-lithium battery, can
The connection of DC/DC change-over circuits electrically conducting is programmed, poly-lithium battery is changed with system power supply circuit, programmable DC/DC respectively
Circuit electrical conducting connection, system power supply circuit turn on connection with main control unit circuit electrical, and main control unit circuit is with may be programmed
DC/DC change-over circuits are electrically connected, and programmable DC/DC change-over circuits are connected with output current amplifier circuit electrical, are exported
Current sample amplifying circuit with power supply output interface and main control unit circuit electrical be connected, main control unit circuit with output select and
Condition indication circuit is electrically connected.
A kind of portable power supply device of described industrial instrument, it is characterised in that the programmable DC/DC conversions electricity
Switch selection circuit is provided between road and charging circuit, poly-lithium battery.
A kind of portable power supply device of described industrial instrument, it is characterised in that described programmable DC/DC conversions
Circuit output voltage divides fourth gear, is 3V voltages, 3.6V voltages, 4.5V voltages and 6V voltages respectively.
The portable power supply device of described a kind of industrial instrument, it is characterised in that the main control unit circuit, system
Power supply circuit and output selection and condition indication circuit are the super low-power consumption patterns for operating in 3.3V level.
A kind of portable power supply device of described industrial instrument, it is characterised in that described output current amplifier
There are the A-D analog to digital conversion circuits of the programmable DC/DC change-over circuit output currents of collection in circuit.
The portable power supply device of described a kind of industrial instrument, it is characterised in that the main control unit circuit and output
It is bidirectional digital signal interaction between current sample amplifying circuit, output selection and condition indication circuit.
The portable power supply device of described a kind of industrial instrument, it is characterised in that the charging circuit also has one
Red and green color indicator lamp.
The portable power supply device of described a kind of industrial instrument, it is characterised in that adopted in the main control unit circuit
Collect the analog to digital conversion circuit of polymer lithium battery voltage.
The portable power supply device of described a kind of industrial instrument, it is characterised in that described poly-lithium battery can
Discharge and recharge 600 times.
Compared with prior art, the beneficial effects of the utility model are, can input two kinds of situations with/without external power source
Lower normal work, suitable for fixed station and mobile use, improve using flexible, while the electric supply installation tool of this structure
There is the advantages of reasonable in design, simple in construction, cost is low.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model；
In figure：Main control unit circuit 1, may be programmed DC/DC change-over circuits 2, system power supply circuit 3, and output current sampling is put
Big circuit 4, output selection and condition indication circuit 5, charging circuit 6, poly-lithium battery 7, external power source input interface 8, are supplied
Electricity output interface 9.
Embodiment
In conjunction with Figure of description, the utility model is described in detail.
A kind of portable power supply device of industrial instrument, its theory diagram as shown in figure 1, by main control unit circuit 1, can
Program DC/DC change-over circuits 2, system power supply circuit 3, output current amplifier circuit 4, output selection and condition indication circuit
5th, charging circuit 6, poly-lithium battery 7, external power source input interface 8 and power supply output interface 9 form.Wherein main control unit electricity
Road 1 uses STM8L101F3P6 super low-power consumption MCU, is now inquired about using common I/O causes for gossip in output selection and condition indication circuit 5
On off state, switch as 2 toggle switch, altogether exportable four kinds of states；Main control unit circuit 1 is controlled by common I/O mouths
Output selection and red and green indicating lamp in condition indication circuit 5；Main control unit circuit 1 can by the control of common I/O mouths
The startup and closing of DC/DC change-over circuits 2 are programmed, the voltage of the programmable output of DC/DC change-over circuits 2 is controlled by SPI interface
Value；Main control unit circuit 1 inquires about 7 positive and negative voltage across poles of poly-lithium battery by analog quantity input；Main control unit circuit 1 is logical
Cross the output voltage of analog quantity input inquiry output current amplifier circuit 4；External power source input interface 8 is linked into charging
Circuit 6；The output of charging circuit 6 connects programmable DC/DC change-over circuits 2 and poly-lithium battery 7 respectively, in addition charging circuit
6 also include a red and green color indicator lamp, prompt charged state；Poly-lithium battery 7 also connects system power supply circuit 3 simultaneously；
Programmable DC/DC change-over circuits 2 are connected to power supply output interface 9 by output current amplifier circuit 4.
Specific workflow：
Device installs, and now the poly-lithium battery 7 in device should be at full power state, to system power supply circuit 3
Powered with programmable DC/DC change-over circuits 2.Main control unit circuit 1 is started working, current positive and negative of inquiry poly-lithium battery 7
Voltage across poles, the on off state in inquiry output selection and condition indication circuit 5, exports corresponding data by SPI interface and arrives
Digital regulation resistance in programmable DC/DC change-over circuits 2, then by common I/O mouths by programmable DC/DC change-over circuits 2
DC/DC chip enable pins be placed in start position, finally light output selection and condition indication circuit 5 in green instruction
Lamp, now device can be the equipment power supply of required corresponding supply voltage, and maximum drive ability is 300mA.Main control unit circuit 1
The current positive and negative voltage across poles of cycle detection poly-lithium battery 7, the switch shape in inquiry output selection and condition indication circuit 5
The output voltage of state, the port voltage of external power source input interface 8 and current sample amplifying circuit 4.
Cause input impedance too small or during dead short when being powered device fails, be connected on power supply output interface 9
It can be produced more than 300mV pressure drops on 1 ohm of sampling resistor between negative pole and ground, this pressure drop is put through current sample amplifying circuit 4
Big 10 times are extremely followed by the analog input pin in master control element circuit 1 more than 3.0V, and main control unit circuit 1 is in cyclic query
In do abnormality processing immediately, the DC/DC chip enable pins in programmable DC/DC change-over circuits 2 are placed in the off, in time
DC/DC change-over circuits 2 and poly-lithium battery 7 are protected, and lights the red instruction in output selection and condition indication circuit 5
Lamp, and keep this state 30 seconds, again attempt to start programmable DC/DC change-over circuits 2 afterwards.
When poly-lithium battery 7 drops to 3.4V as charge capacity declines positive and negative voltage across poles, main control unit circuit 1 exists
Abnormality processing is done in cyclic query immediately, the DC/DC chip enable pins in programmable DC/DC change-over circuits 2 are placed in closing
Position, the output current of poly-lithium battery 7 is reduced, protects it from being excessively discharged, and output selection and state instruction is electric
Red led in road 5 is placed in the interval flicker state of 1 second, prompts user to charge in time.
When extraneous power supply is accessed by external power source input interface 8, charging circuit 6 starts, and poly-lithium battery 7 is entered
Row charges and powered to programmable DC/DC change-over circuits 2, while indicates charged state by the bi-colour LED of itself.Master control
When element circuit 1 detects that external power source input interface 8 has voltage in cyclic query, recover to start programmable DC/DC immediately
Change-over circuit 2, extinguish the red led in output selection and condition indication circuit 5, light green indicating lamp.Now this power supply
Device can work on.
Claims (9)
1. a kind of portable power supply device of industrial instrument, it is characterised in that the electric supply installation includes main control unit circuit（1）、
Programmable DC/DC change-over circuits（2）, system power supply circuit（3）, output current amplifier circuit（4）, output selection and state
Indicating circuit（5）, charging circuit（6）, poly-lithium battery（7）, external power source input interface（8）With power supply output interface（9）；
External power source input interface（8）With charging circuit（6）Electrically conducting connects, charging circuit（6）It is electric with polymer lithium respectively
Pond（7）, programmable DC/DC change-over circuits（2）Electrically conducting connects, poly-lithium battery（7）Respectively with system power supply circuit
（3）, programmable DC/DC change-over circuits（2）Electrically conducting connects, system power supply circuit（3）With main control unit circuit（1）Electrically lead
Lead to and connect, main control unit circuit（1）With programmable DC/DC change-over circuits（2）Electrical connection, it may be programmed DC/DC change-over circuits（2）
With output current amplifier circuit（4）Electrical connection, output current amplifier circuit（4）With output interface of powering（9）With
Main control unit circuit（1）Electrical connection, main control unit circuit（1）With output selection and condition indication circuit（5）Electrical connection.
2. the portable power supply device of a kind of industrial instrument according to claim 1, it is characterised in that described programmable
DC/DC change-over circuits（2）With charging circuit（6）, poly-lithium battery（7）Between be provided with switch selection circuit.
3. the portable power supply device of a kind of industrial instrument according to claim 1, it is characterised in that described compiles
Journey DC/DC change-over circuits（2）Output voltage divides fourth gear, is 3V voltages, 3.6V voltages, 4.5V voltages and 6V voltages respectively.
A kind of 4. portable power supply device of industrial instrument according to claim 1, it is characterised in that the master control list
First circuit（1）, system power supply circuit（3）With output selection and condition indication circuit（5）It is the ultralow work(for operating in 3.3V level
Consumption pattern.
A kind of 5. portable power supply device of industrial instrument according to claim 1, it is characterised in that described output
Current sample amplifying circuit（4）In have the programmable DC/DC change-over circuits of collection（2）The A-D analog to digital conversion circuits of output current.
A kind of 6. portable power supply device of industrial instrument according to claim 1, it is characterised in that the master control list
First circuit（1）With output current amplifier circuit（4）, output selection and condition indication circuit（5）Between be bi-directional digital letter
Number interaction.
A kind of 7. portable power supply device of industrial instrument according to claim 2, it is characterised in that the charging electricity
Road（6）Also there is a red and green color indicator lamp.
A kind of 8. portable power supply device of industrial instrument according to claim 4, it is characterised in that the master control list
First circuit（1）In be provided with collection poly-lithium battery（7）The analog to digital conversion circuit of voltage.
A kind of 9. portable power supply device of industrial instrument according to claim 4, it is characterised in that described polymerization
Thing lithium battery（7）Being capable of discharge and recharge 600 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353887.1U CN206673636U (en) | 2017-04-06 | 2017-04-06 | A kind of portable power supply device of industrial instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353887.1U CN206673636U (en) | 2017-04-06 | 2017-04-06 | A kind of portable power supply device of industrial instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673636U true CN206673636U (en) | 2017-11-24 |
Family
ID=60366390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720353887.1U Active CN206673636U (en) | 2017-04-06 | 2017-04-06 | A kind of portable power supply device of industrial instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206673636U (en) |
-
2017
- 2017-04-06 CN CN201720353887.1U patent/CN206673636U/en active Active
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