CN102507023A - Cable-type temperature display - Google Patents
Cable-type temperature display Download PDFInfo
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- CN102507023A CN102507023A CN2011103002503A CN201110300250A CN102507023A CN 102507023 A CN102507023 A CN 102507023A CN 2011103002503 A CN2011103002503 A CN 2011103002503A CN 201110300250 A CN201110300250 A CN 201110300250A CN 102507023 A CN102507023 A CN 102507023A
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Abstract
The invention provides a cable-type temperature display. The cable-type temperature display comprises a display main body, a programmable logic control chip arranged in the display main body and an arousing module arranged on the programmable logic control chip, and a collection module, wherein the arousing module comprises a key arousing circuit and a light arousing circuit; and the collection module comprises a current collection circuit which is electrically connected with the programmable logic control chip, a voltage collection circuit and a temperature collection circuit. The cable-type temperature display provided by the invention has the beneficial effects of intellectual control, short response time, real-time monitoring, long service life of a battery, low equipment power dissipation, and both an alternating current and a direct current can reset the cable-type temperature display.
Description
Technical field
The present invention relates to a kind of temperature survey display device, especially relate to a kind of cable type temperature indicator.
Background technology
Along with the continuous increase of electricity needs, also increasingly high to the requirement of electric system, the monitoring of the equipment operation in the electric system can not be ignored especially.Checkout equipment in existing technology mainly has following deficiency:
1. generally just adopt the transformer step-down after the rectification circuit rectification, output DC is the peripheral circuit power supply or is charge in batteries.This series products can only be exported a kind of voltage, can only be for having the circuit supply that relevant voltage requires, and can only give a kind of storage battery power supply of specification.Simultaneously, accumulator is in running order always, and energy consumption is bigger, and has shortened the serviceable life of accumulator.Do not keep apart being easy to exert an influence mutually between charging circuit and the feed circuit, and do not protect device in the circuit, circuit is easy to burnt out.
Still have the problem of kwh loss when 2. not working, shortened the working time of battery greatly.
3. resetting of most single-chip microcomputer U5 need connect direct current.Method commonly used is that alternating current becomes direct current through DC-AC conversion device and connects reset circuit again.
4. the voltage measurement of electric power transmission line utilizes voltage current transformer mostly.Exist not have intelligence control system, the response time is than length and control technical matterss such as dumb.Simultaneously, in electric system, this factor of cable temperature also receives bigger concern gradually.At present, most of sample circuits are sampling monitoring electric current and voltage only, and do not have the sampling monitoring temperature.
Summary of the invention
The problem that the present invention will solve provides a kind of cable type temperature indicator, and it is short to have Based Intelligent Control, response time, the advantage that can monitor in real time, the long service life of battery, equipment power dissipation is low, alternating current and direct current all can make it reset.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of cable type temperature indicator; Comprise display unit main body, its inner FPGA control chip and be connected in wake module, the acquisition module on the FPGA control chip, said wake module comprises that wake module comprises button wake-up circuit and light wake-up circuit; Said acquisition module comprises current acquisition circuit, voltage collection circuit and the temperature collection circuit that is electrically connected with the FPGA control chip.
Further, also comprise the supply module that is electrically connected with FPGA control chip, wake module, acquisition module; Supply module comprises transformer T1, rectifier bridge U4, low difference voltage regulator U3, diode D12 and D2, the battery charge socket BAT1 that connects successively; Be connected with electrochemical capacitor C10 and C12 on the low difference voltage regulator U3; The electrochemical capacitor two ends are parallel with voltage stabilizing diode D10 and D16.
Further, comprise button and optical fiber interface on the said display unit main body; The control end of the button of said button wake-up circuit all is electrically connected with the end that wakes up of FPGA control chip with the control end of light wake-up circuit.
Further, acquisition module comprises acquisition controlling switch module and the current acquisition module, voltage acquisition module, the temperature collect module that are attached thereto.
Advantage and good effect that the present invention has are: owing to adopt technique scheme; This examination is novel can gather electric current, voltage and temperature signal; Owing to there is the FPGA control chip can realize the Based Intelligent Control of circuit; Can also realize the synchronous acquisition of electric current and voltage simultaneously through the FPGA control chip, have Based Intelligent Control, response time weak point, the advantage that can monitor in real time.
Can select to utilize civil power or battery powered function again for charge in batteries; First diode and second diode selecting are mains-supplied or storage battery power supply; Second voltage stabilizing diode not only has the overcharge of a battery defencive function, protects charging circuit with first voltage stabilizing diode simultaneously; The low difference voltage regulator scalable is supplied power and charging voltage, can be the circuit supply of different electric pressure request, can be the charge in batteries of different size again.
Utilize the arousal function of single-chip microcomputer U5; Adopt button to wake up and wake dual mode up, when the needs device is worked, push button, when starter gear perhaps has optical signal transmission to advance circuit with light; The photodiode conducting; Wake single-chip microcomputer U5 up, device starts, and has low-power consumption, battery long characteristics service time.
The design of reset circuit is simpler.Alternating current becomes direct current through rectifier bridge U4, so this reset circuit not only can be through reset single-chip microcomputer U5 but also can reset through alternating current of direct current.Photoelectrical coupler U2 makes back-end circuit and front-end circuit isolate fully, has increased security, reduces circuit and disturbs, and has simplified circuit design, practices thrift cost.
Description of drawings
Fig. 1 is a block diagram of the present invention;
Fig. 2 is the front view of display unit main body of the present invention;
Fig. 3 is the rear view of display unit main body of the present invention;
Fig. 4 is the schematic diagram of supply module of the present invention;
Fig. 5 is the schematic diagram of wake module of the present invention;
Fig. 6 is the schematic diagram of reseting module of the present invention;
Fig. 7 is the schematic diagram of communication module of the present invention;
Fig. 8 is the schematic diagram of FPGA control chip of the present invention;
Fig. 9 is the schematic diagram of indicating lamp module of the present invention;
Figure 10 is the supply module schematic diagram of display screen of the present invention.
Among the figure:
1, FPGA control chip 2, wake module 3, acquisition module
4, reseting module 5, communication module 6, supply module
7, display unit main body 8, display screen 9, pilot lamp
10, button 11, optical fiber interface 12, serial ports
Embodiment
As shown in Figure 1; The present invention provides a kind of cable type temperature indicator; Comprise display unit main body 7, its inner FPGA control chip 1 and be connected in wake module 2, the acquisition module 3 on the FPGA control chip 1, said wake module 2 comprises that wake module 2 comprises button wake-up circuit and light wake-up circuit; Said acquisition module 3 comprises current acquisition circuit, voltage collection circuit and the temperature collection circuit that is electrically connected with FPGA control chip 1.
Also comprise the supply module 6 that is electrically connected with FPGA control chip 1, wake module 2, acquisition module 3 in the circuit; Supply module 6 comprises transformer T1, rectifier bridge U4, low difference voltage regulator U3, diode D12 and D2, the battery charge socket BAT1 that connects successively; Be connected with electrochemical capacitor C10 and C12 on the low difference voltage regulator U3; The electrochemical capacitor two ends are parallel with voltage stabilizing diode D10 and D16.
Acquisition module 3 comprises acquisition controlling switch module and the current acquisition module, voltage acquisition module, the temperature collect module that are attached thereto.
The course of work of this instance: like Fig. 2, shown in 3 and 5, when having signal to import in any one or the optical fiber that inserts through optical fiber interface 11 in 10 of pushing button, temperature indicator of the present invention promptly is activated.Detailed process is that single-chip microcomputer U5 the 10th pin meets power supply VCC through resistance R 1, the 23rd pin, 35 pin, 47 pin and 8 pin ground connection.Button KEY1 one end connects the negative electrode of diode D1 respectively and the 29th pin of single-chip microcomputer U5 is connected other end ground connection.The anode of diode D1 is connected with the 10th pin of single-chip microcomputer U5.Button KEY2 and diode D13, single-chip microcomputer U5 are by the 30th pin that is connected and is connected to single-chip microcomputer U5 like upper type; Button KEY3 and diode D14, single-chip microcomputer U5 are by the 31st pin that is connected and is connected to single-chip microcomputer U5 like upper type; KEY4 and diode D15 and single-chip microcomputer U5 are by the 32nd pin that is connected and is connected to single-chip microcomputer U5 like upper type; Reset key EXT RST and diode D19, single-chip microcomputer U5 are by the 17th pin that is connected and is connected to single-chip microcomputer U5 like upper type.Any key is pressed in above-mentioned five buttons, and single-chip microcomputer U5 is waken up, device work, and which button single-chip microcomputer U5 identification is pressed, and makes corresponding reaction simultaneously.The A phase detecting circuit is photodiode D7 plus earth, and negative electrode is told two branch roads, and one meets power supply VCC through resistance R 3, and another connects the 42nd pin of single-chip microcomputer U5 and the negative electrode of diode D3, and the anode of diode D3 connects the 10th pin of single-chip microcomputer U5.The photodiode D8 of B phase detecting circuit, resistance R 4, diode D4, single-chip microcomputer U5 press like upper type and connect, and are connected to the 43rd pin of single-chip microcomputer U5; The photodiode D9 of C phase detecting circuit, resistance R 5, diode D5, single-chip microcomputer U5 press like upper type and connect, and are connected to the 45th pin of single-chip microcomputer U5; The photodiode D11 of D phase detecting circuit, resistance R 6, diode D6, single-chip microcomputer U5 press like upper type and connect, and are connected to the 46th pin of single-chip microcomputer U5; When above-mentioned any one the tunnel has the signal transmission; The photodiode conducting, single-chip microcomputer U5 is waken up, and single-chip microcomputer U5 detection simultaneously is which has signal to import into; Thereby what confirm detection is the signal of which phase; And corresponding pilot lamp 9 lighted, on display screen 8, show corresponding information, and be transferred to computer through MAX3483 and handle.
Shown in the communication module of Fig. 7, single-chip microcomputer U5 can be connected with the 4th pin with first pin of communication chip MAX3483 with the 13rd pin through the 12nd pin, and the crus secunda of communication chip MAX3483 connects power supply VCC through resistance R 2.The tripod of communication chip MAX3483 is through R7 ground connection.The 5th pin ground connection of communication chip MAX3483, the 8th pin is told two branch roads, and a branch road meets power supply VCC, and another is through capacitor C ground connection.The 7th pin of communication chip MAX3483 is told two branch roads after resistance R 8, a connecting terminal row's 4 interface connects computer, and another branch road is through R9 ground connection.The 6th pin of communication chip MAX3483 is told two branch roads after resistance R 11, a connecting terminal row's 4 interface connects computer, and another branch road meets power supply VCC through R10.Resistance R 12 is connected between R9, R10, R8 and the R11, and voltage stabilizing diode D18 is connected in parallel on resistance R 12 two ends.
The low difference voltage regulator U3 of supply module as shown in Figure 4 is LM1117.Alternating current is gone into circuit from A, B termination, after transformer T step-down, gets into rectifier bridge U, output DC; Getting into output voltage is the P3 pin of the LM1117 of 3.3V, and P1 pin ground connection is behind P2 pin and the P4 pin short circuit; Connect the anode of the first diode D3 again, the first diode D3 conducting, circuit is supplied power to the external world.The P3 pin of LM1117 and P2 pin meet electrochemical capacitor C1, the C2 of a 100uF respectively.When electric current was enough big, the second voltage stabilizing diode D2 was breakdown, and battery begins charging, and when battery was full of, the second voltage stabilizing diode D2 ended.If remove civil power, the second diode D4 conducting, battery begins power supply.The first voltage stabilizing diode D1 and the second voltage stabilizing diode D2 have all played holding circuit, prevent the effect that circuit burns out.
Reseting module as shown in Figure 6, photoelectrical coupler U2 ends, and VCC connects single-chip microcomputer U5 reset terminal after resistance R 14 dividing potential drops, and single-chip microcomputer U5 reset terminal is a high level always, and single-chip microcomputer U5 does not reset.RESET_IN1 is connected with alternating current or direct current with RESET_IN2 one end, and the other end is connected with the U12 end with the U11 end of rectifier bridge U1.If alternating current, through after resistance R 13 dividing potential drops, the U13 end connects the anodal U21 of photoelectrical coupler U2 through rectification, and the U14 end connects the negative pole U22 of photoelectrical coupler U2; If direct current, circuit connects identical with alternating current.Photoelectrical coupler U2 conducting through resistance R 14 dividing potential drop output low levels, triggers single-chip microcomputer U5 and resets.
Like Fig. 8,9, shown in 10, light emitting diode D7 one termination power VCC in the indicating lamp module, the other end connect the 25th pin of single-chip microcomputer U5 through resistance R 9.Light emitting diode D8 connects the 26th pin of single-chip microcomputer U5 through resistance R 10 with identical connected mode.Light emitting diode D9 connects the 27th pin of single-chip microcomputer U5 through resistance R 17 with identical connected mode.Light emitting diode D11 connects the 28th pin of single-chip microcomputer U5 through resistance R 18 with identical connected mode.Display screen 8 is connected with single-chip microcomputer U5 through triode Q1.Whether single-chip microcomputer U5 control display screen 8 is lighted.
More than one embodiment of the present of invention are specified, but said content is merely preferred embodiment of the present invention, can not be considered to be used to limit practical range of the present invention.All equalizations of doing according to application range of the present invention change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (4)
1. cable type temperature indicator; Comprise display unit main body (7), its inner FPGA control chip (1) and be connected in wake module (2), the acquisition module (3) on the FPGA control chip (1), it is characterized in that: said wake module (2) comprises that wake module (2) comprises button wake-up circuit and light wake-up circuit; Said acquisition module (3) comprises current acquisition circuit, voltage collection circuit and the temperature collection circuit that is electrically connected with FPGA control chip (1).
2. cable type temperature indicator according to claim 1 is characterized in that: also comprise the supply module (6) that is electrically connected with FPGA control chip (1), wake module (2), acquisition module (3); Supply module (6) comprises transformer T1, rectifier bridge U4, low difference voltage regulator U3, diode D12 and D2, the battery charge socket BAT1 that connects successively; Be connected with electrochemical capacitor C10 and C12 on the low difference voltage regulator U3; The electrochemical capacitor two ends are parallel with voltage stabilizing diode D10 and D16.
3. cable type temperature indicator according to claim 1 is characterized in that: comprise button (10) and optical fiber interface (11) on the said display unit main body (7); The control end of the button of said button wake-up circuit all is electrically connected with the end that wakes up of FPGA control chip (1) with the control end of light wake-up circuit.
4. cable type temperature indicator according to claim 1 is characterized in that: acquisition module (3) comprises acquisition controlling switch module and the current acquisition module, voltage acquisition module, the temperature collect module that are attached thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110300250.3A CN102507023B (en) | 2011-09-29 | 2011-09-29 | Cable-type temperature display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110300250.3A CN102507023B (en) | 2011-09-29 | 2011-09-29 | Cable-type temperature display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102507023A true CN102507023A (en) | 2012-06-20 |
| CN102507023B CN102507023B (en) | 2013-09-25 |
Family
ID=46219130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110300250.3A Expired - Fee Related CN102507023B (en) | 2011-09-29 | 2011-09-29 | Cable-type temperature display |
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| Country | Link |
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| CN (1) | CN102507023B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106789113A (en) * | 2017-01-19 | 2017-05-31 | 中国人民解放军海军航空工程学院青岛校区 | A kind of radio communication wake-up circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009026832A1 (en) * | 2007-08-22 | 2009-03-05 | Youyun Dong | Intelligent electrical energy management system device |
| CN201374017Y (en) * | 2009-02-24 | 2009-12-30 | 广东洛贝电子科技有限公司 | Control circuit for household appliance capable of inquiring electric quantity and voltage in real time |
| CN201378081Y (en) * | 2008-11-17 | 2010-01-06 | 南京信息工程大学 | Temperature-measuring alarming device |
| CN201548333U (en) * | 2009-11-20 | 2010-08-11 | 无锡爱睿芯电子有限公司 | Acoustic control electronic thermometer |
| CN202305021U (en) * | 2011-09-29 | 2012-07-04 | 天津赛思科技发展有限公司 | Cable type temperature display |
-
2011
- 2011-09-29 CN CN201110300250.3A patent/CN102507023B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009026832A1 (en) * | 2007-08-22 | 2009-03-05 | Youyun Dong | Intelligent electrical energy management system device |
| CN201378081Y (en) * | 2008-11-17 | 2010-01-06 | 南京信息工程大学 | Temperature-measuring alarming device |
| CN201374017Y (en) * | 2009-02-24 | 2009-12-30 | 广东洛贝电子科技有限公司 | Control circuit for household appliance capable of inquiring electric quantity and voltage in real time |
| CN201548333U (en) * | 2009-11-20 | 2010-08-11 | 无锡爱睿芯电子有限公司 | Acoustic control electronic thermometer |
| CN202305021U (en) * | 2011-09-29 | 2012-07-04 | 天津赛思科技发展有限公司 | Cable type temperature display |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106789113A (en) * | 2017-01-19 | 2017-05-31 | 中国人民解放军海军航空工程学院青岛校区 | A kind of radio communication wake-up circuit |
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| Publication number | Publication date |
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| CN102507023B (en) | 2013-09-25 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Peng Inventor before: Fu Baokui Inventor before: Di Peng Inventor before: Fu Baolong Inventor before: Fu Bin |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170414 Address after: 300457 Binhai New Area, Tianjin Port Economic Zone, building 284, room 1, No. 1 Patentee after: Tianjin Zhanpeng Technology Development Group Limited Address before: 300300 Tianjin City, Dongli District Fuk Road, No. 28 Patentee before: Tianjin Saisi Science and Technology Development Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20200929 |