CN203299582U - Intelligent startup and shutdown device of portable ultrasonic flowmeter - Google Patents
Intelligent startup and shutdown device of portable ultrasonic flowmeter Download PDFInfo
- Publication number
- CN203299582U CN203299582U CN2013203211077U CN201320321107U CN203299582U CN 203299582 U CN203299582 U CN 203299582U CN 2013203211077 U CN2013203211077 U CN 2013203211077U CN 201320321107 U CN201320321107 U CN 201320321107U CN 203299582 U CN203299582 U CN 203299582U
- Authority
- CN
- China
- Prior art keywords
- control chip
- ultrasonic flowmeter
- smart key
- key control
- portable type
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an intelligent startup and shutdown device of a portable ultrasonic flowmeter. The device solves problems of damages on a system when battery is low and cannot start the system. Main points of the technical scheme are that the device comprises an intelligent button control chip, a contact switch S1, a contact switch S2, a DC voltage stabilization device and a processor. A power supply is connected with a Vcc end of the intelligent button control chip and an input end of the DC voltage stabilization device. An output end of the DC voltage stabilization device is connected with the processor. An output end of the processor is connected with a PShold end of the intelligent button control chip. An enable end of the intelligent button control chip is also connected with an enable end of the DC voltage stabilization device. The contact switch S1, the contact switch S2 are both connected with the intelligent button control chip. The device has simpler startup and shutdown functions, and effectively reduces the damages of the system when battery is low and cannot start the system.
Description
Technical field
The utility model is a kind of flowmeter utility appliance, particularly relates to a kind of intelligent switch machine of portable type ultrasonic flowmeter.
Background technology
Portable type ultrasonic flowmeter non-contact measurement mode, volume are little, lightweight, easy to carry, adopt rechargeable battery poweredly, and General Requirements work is about 8 to 12 hours., in order to guarantee that battery moves lastingly and reliably, just must carry out real-time detection to battery.When start, if the powered battery deficiency need in time be cut off the electricity supply.Conventional art adopts a multi-gear switch to realize that power supply connects firmly mostly, when pushing button the gating power switch, and the portable type ultrasonic flowmeter system boot.After pushing button, the switch former gear that rebounds is realized the cut-out of power supply, system closedown again.If during start, powered battery is not enough, and system is still according to original set mode operation, when system did not also start to detect battery status, system, due to undertension, constantly resetted, still need manually shutdown this moment, thereby to the system injury.
China Patent Publication No.: CN101888120AA, open day on November 17th, 2010, disclose a kind of intelligent switch, comprised switch enclosure, with the switch panel of some buttons and the circuit board that communication unit, control module, power module, driving circuit are installed; Several topworkies are installed on described switch enclosure, and two wire joinings of each topworks are connected respectively load live wire and power firestreak; It is characterized in that described topworks comprise an electromagnet, with the Self-locking button switch of the movable core one end touching of this electromagnet, the bottom of the other end of electromagnet movable core and a button is touched; Described driving circuit is instantaneous driving circuit.When if still there is start in this technical scheme, powered battery is not enough, system is still according to original set mode operation, when system does not also start to detect battery status, system is due to undertension, constantly reset, still need manually shutdown this moment, thereby to the problem of system injury.
The utility model content
If the purpose of this utility model is when solving present technical scheme and have start, powered battery is not enough, system is still according to original set mode operation, when system does not also start to detect battery status, system, due to undertension, constantly resets, and still needs manually shutdown this moment, thereby, to the problem of system injury, provide a kind of intelligent switch machine that is applied in the energy Real-Time Monitoring battery electric quantity on portable type ultrasonic flowmeter.
the technical scheme that its technical matters that solves the utility model adopts is: a kind of intelligent switch machine of portable type ultrasonic flowmeter, power supply to portable type ultrasonic flowmeter is monitored, comprise the smart key control chip, contact switch S1, contact switch S2, DC voltage-stabilizing electrical equipment and processor, described power supply is connected with the Vcc end of smart key control chip and the input end of DC voltage-stabilizing electrical equipment, the output terminal of DC voltage-stabilizing electrical equipment is connected with processor, the output terminal of described processor is connected with the PShold end of described smart key control chip, the Enable Pin of smart key control chip also is connected with the Enable Pin of described DC voltage-stabilizing electrical equipment, described contact switch S1, contact switch S2 all is connected with described smart key control chip.By smart key control chip Real-Time Monitoring powered battery voltage status, when touching contact switch S1, chip can produce and enable output, makes direct current stabilizer work, system boot.If (illustrated that powered battery was not enough) when this moment, the smart key control chip detected cell voltage lower than inner precise voltage threshold value, enabling output will drag down, direct current stabilizer quits work, system will can not start, and while having avoided powered battery not enough, system can't normally start the damage to system that brings; When if the smart key control chip detects cell voltage over inner precise voltage threshold value, enable output and keep high level, direct current stabilizer work, processor starts to be confirmed whether normally to power on.If certain hour inner treater normal signal returns to the smart key control chip, illustrative system is normal, continues to run well; If do not have signal to send, the illustrative system fault, the smart key control chip will drag down enable signal quits work direct current stabilizer, reaches the purpose of automatic shutdown, continues the damage that operation brings system while effectively preventing the system failure.
As preferably, described contact switch S1 and described contact switch S2 interlock mechanically.Arrange like this, prevented that two contact switchs from being moved by the while false touch.
As preferably, described processor is single-chip microcomputer.
As preferably, the intelligent switch machine of described portable type ultrasonic flowmeter also comprises time-delay trigger, and the Enable Pin of described smart key control chip is connected with the Enable Pin of DC voltage-stabilizing electrical equipment by time-delay trigger.Arrange like this, single-chip microcomputer has first got the signal of undertension, possesses a period of time and carry out the work such as emptying of the storage of information and related register before shutdown, has prevented the data degradation that accident power-off causes.
As preferably, the intelligent switch machine of described portable type ultrasonic flowmeter also comprises alarm, and the Enable Pin of described smart key control chip also is connected with described single-chip microcomputer, and the input end of described alarm is connected with described single-chip microcomputer.Arrange like this, single-chip microcomputer can remind the field staff to note, facilitates the related personnel to carry out maintenance work.
As preferably, described alarm is audible-visual annunciator.
Substantial effect of the present utility model is: the utility model possesses more easy power on/off function, effectively reduces the not enough and infringement that system is caused while can't completion system starting of battery electric quantity.
Description of drawings
Fig. 1 is a kind of circuit theory diagrams of the present utility model;
Fig. 2 is another kind of circuit theory diagrams of the present utility model;
In figure: 1, smart key control chip, 2, direct current stabilizer, 3, single-chip microcomputer, 4, alarm, 5, time-delay trigger.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
a kind of intelligent switch machine of portable type ultrasonic flowmeter (referring to accompanying drawing 1), power supply to portable type ultrasonic flowmeter is monitored, comprise smart key control chip 1, contact switch S1, contact switch S2, DC voltage-stabilizing electrical equipment 2 and processor, described power supply is connected with the Vcc end of smart key control chip and the input end of DC voltage-stabilizing electrical equipment, the output terminal of DC voltage-stabilizing electrical equipment is connected with processor, the output terminal of described processor is connected with the PShold end of described smart key control chip, the Enable Pin of smart key control chip also is connected with the Enable Pin of described DC voltage-stabilizing electrical equipment, described contact switch S1, contact switch S2 all is connected with described smart key control chip.Contact switch S1 is starting key, and contact switch S2 is the shutdown button, and processor is single-chip microcomputer 3.
The footprints that the smart key control chip 2*3mm of the present embodiment is encapsulated on pcb board only has 50% of other solution; the defencive function of its integration can replace 30 or 40 discrete component; maybe need be equipped with the complex programmable logic assembly of the voltage-level detector of voltage stabilizer and definite battery condition, effectively save the PCB design space.And the low operation power consumption of 6uA and current drain make product more energy-conservation less than the zero-power shutdown mode of 1uA.Direct current stabilizer in the present embodiment, volume only have 5mm * 4mm * 1.5mm size.Allow the voltage range of input from 4.75 to 28V, output current reaches as high as 3A, and its high workload efficiency can reach 95%.And in the situation of high voltage differential, large electric current, this chip continuous working also need not to install any heating radiator additional in 24 hours, and power consumption is very little.In addition, this voltage stabilizer possesses soft start function able to programme, effectively guarantees power supply operation normally and reliably.
When the present embodiment uses, touch starting key, the smart key control chip is received signal, starts to detect the cell voltage state;
Cell voltage is higher than the inner precise voltage threshold value of smart key control chip, and Enable Pin En exports high level, and direct current stabilizer is started working, the system experimental starting.The smart key control chip is detecting the cell voltage state always simultaneously;
If cell voltage detected after the system experimental starting lower than the inner precise voltage threshold value of smart key control chip, smart key control chip En pin becomes low level, and direct current stabilizer is not worked, the system automatic shutdown;
If cell voltage detected after the system experimental starting higher than the inner precise voltage threshold value of smart key control chip, smart key control chip En pin is kept high level, and direct current stabilizer works on, and processor starts to be confirmed whether normally to power on after programming;
The PShold pin of smart key control chip is received the high level signal that processor returns within a certain period of time, and the system that is judged as is normally moved.If do not receive, be judged as the system failure, will enable the En pin and become low level this moment, and direct current stabilizer quits work, and system is with automatic shutdown;
If running well, system after a period of time, needs shutdown.Touch the pass key, after the smart key control chip is received signal, will enable the En pin and become low level, direct current stabilizer quits work, and system will be shut down.
Embodiment 2:
The present embodiment (referring to accompanying drawing 2) substantially the same manner as Example 1, difference is, also comprises time-delay trigger 5 and alarm 4, the Enable Pin of described smart key control chip is connected with the Enable Pin of DC voltage-stabilizing electrical equipment by time-delay trigger.The Enable Pin of smart key control chip also is connected with described single-chip microcomputer, and the input end of described alarm is connected with described single-chip microcomputer.Single-chip microcomputer has first got the signal of undertension, possesses a period of time and carry out the work such as emptying of the storage of information and related register before shutdown, has prevented the data degradation that accident power-off causes.Single-chip microcomputer can remind the field staff to note, facilitates the related personnel to carry out maintenance work.
Above-described embodiment is a kind of better scheme of the present utility model, not the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (6)
1. the intelligent switch machine of a portable type ultrasonic flowmeter, power supply to portable type ultrasonic flowmeter is monitored, it is characterized in that: comprise the smart key control chip, contact switch S1, contact switch S2, DC voltage-stabilizing electrical equipment and processor, described power supply is connected with the Vcc end of smart key control chip and the input end of DC voltage-stabilizing electrical equipment, the output terminal of DC voltage-stabilizing electrical equipment is connected with processor, the output terminal of described processor is connected with the PShold end of described smart key control chip, the Enable Pin of smart key control chip also is connected with the Enable Pin of described DC voltage-stabilizing electrical equipment, described contact switch S1, contact switch S2 all is connected with described smart key control chip.
2. the intelligent switch machine of portable type ultrasonic flowmeter according to claim 1, it is characterized in that: described contact switch S1 and described contact switch S2 interlock mechanically.
3. the intelligent switch machine of portable type ultrasonic flowmeter according to claim 1 and 2, it is characterized in that: described processor is single-chip microcomputer.
4. the intelligent switch machine of portable type ultrasonic flowmeter according to claim 3, it is characterized in that: the intelligent switch machine of described portable type ultrasonic flowmeter also comprises time-delay trigger, and the Enable Pin of described smart key control chip is connected with the Enable Pin of DC voltage-stabilizing electrical equipment by time-delay trigger.
5. the intelligent switch machine of portable type ultrasonic flowmeter according to claim 4, it is characterized in that: the intelligent switch machine of described portable type ultrasonic flowmeter also comprises alarm, the Enable Pin of described smart key control chip also is connected with described single-chip microcomputer, and the input end of described alarm is connected with described single-chip microcomputer.
6. the intelligent switch machine of portable type ultrasonic flowmeter according to claim 5, it is characterized in that: described alarm is audible-visual annunciator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203211077U CN203299582U (en) | 2013-06-05 | 2013-06-05 | Intelligent startup and shutdown device of portable ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203211077U CN203299582U (en) | 2013-06-05 | 2013-06-05 | Intelligent startup and shutdown device of portable ultrasonic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203299582U true CN203299582U (en) | 2013-11-20 |
Family
ID=49575581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203211077U Expired - Fee Related CN203299582U (en) | 2013-06-05 | 2013-06-05 | Intelligent startup and shutdown device of portable ultrasonic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203299582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055029A (en) * | 2018-02-01 | 2018-05-18 | 青岛海信智能商用系统股份有限公司 | A kind of on-off circuit and the electronic equipment with the on-off circuit |
-
2013
- 2013-06-05 CN CN2013203211077U patent/CN203299582U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055029A (en) * | 2018-02-01 | 2018-05-18 | 青岛海信智能商用系统股份有限公司 | A kind of on-off circuit and the electronic equipment with the on-off circuit |
| CN108055029B (en) * | 2018-02-01 | 2022-02-22 | 青岛海信智能商用系统股份有限公司 | Switching circuit and electronic equipment with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105972832B (en) | Electric water heater water outlet power-off control system capable of preventing misoperation | |
| CN101723209B (en) | Intelligent power-saving method and device for lift | |
| CN102377237B (en) | Solar energy and mains supply complementary controller | |
| CN203561857U (en) | Low-power standby control system | |
| CN202548583U (en) | Office safety and energy-saving control device | |
| CN201994717U (en) | Control device for supplying power to breaker control units | |
| CN104577804B (en) | Intelligent distribution box and control method of intelligent distribution box | |
| CN202395513U (en) | Low-power-consumption mechanical motor with memory function | |
| CN200997535Y (en) | Vehicle power-supply moniter | |
| CN203299582U (en) | Intelligent startup and shutdown device of portable ultrasonic flowmeter | |
| CN202353303U (en) | Solar energy and commercial power complementation controller | |
| CN204741134U (en) | Intelligent security socket of state is inserted in discernment with electrical apparatus plug | |
| CN103345177A (en) | Zero-power-consumption standby control circuit of household appliances and control method thereof | |
| CN213182362U (en) | Power supply control device and electronic apparatus | |
| CN201355762Y (en) | Alternating current overvoltage protecting device | |
| CN204633465U (en) | A kind of alternating current-direct current for specially becoming acquisition terminal switches and key wakeup control circuit | |
| CN203278240U (en) | Reactive compensation controller of power supply resetting detection technology | |
| CN204633413U (en) | A kind of Time-delay power supply unit of battery supply set | |
| CN203574423U (en) | Integration voltage stabilization and low voltage detection power supply chip applied to electronic product | |
| CN103345174A (en) | Household automatic power off system | |
| CN204616232U (en) | Permanent magnet mechanism control panel | |
| CN207251281U (en) | Embedded high-G DC power supply is miniaturized in one kind | |
| CN207459743U (en) | A kind of distributed energy storage system of peak load shifting | |
| CN204706870U (en) | A kind of intelligence pressure becomes protective device | |
| CN203338240U (en) | Computer system with power-off auto-logout system and having function of time-delay shutdown |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20180605 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |