CN204925091U - Unginned cotton humidity detecting system - Google Patents
Unginned cotton humidity detecting system Download PDFInfo
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- CN204925091U CN204925091U CN201520760488.8U CN201520760488U CN204925091U CN 204925091 U CN204925091 U CN 204925091U CN 201520760488 U CN201520760488 U CN 201520760488U CN 204925091 U CN204925091 U CN 204925091U
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Abstract
The utility model provides an unginned cotton humidity detecting system, this system contain humidity detection unit, processing unit, report an emergency and ask for help or increased vigilance unit and power module, and humidity detection unit contains humidity detection module and AD conversion module, it contains display module and/or alarm module to report an emergency and ask for help or increased vigilance the unit, processing unit contains microprocessor, crystal oscillator module and the module that resets, and crystal oscillator module is for microprocessor provides work clock signal, and the module that resets resumes microprocessor to original state, humidity detection module's signal output part and AD conversion module's signal input part are connected, and AD conversion module's signal output part and microprocessor's signal input part are connected, microprocessor's signal output part connects display module and/or alarm module, power module is humidity detection unit, processing unit and reports an emergency and asks for help or increased vigilance the unit and provide required electric quantity. Adopt the unginned cotton humidity detecting system in this application, solved current machine and adopted the wayward problem of the cotton humidity of cottonseed.
Description
Technical field
The utility model belongs to agriculture test technical field, particularly relates to a kind of unginned cotton dust humidity detection system.
Background technology
Quoting of machine cotton picking technology makes a difficult problem for labour's anxiety be solved, however machine cotton picking while there is efficient high yield advantage also along with the defect of high-moisture.At cotton processing links, humidity is very large on the impact of cotton quality.On the one hand, the too high meeting of unginned cotton regain causes cotton accumulating difficulty, also can cause cotton flexibility decrease; On the other hand, unginned cotton regain is too low, can cause that the bale of cotton " collapses bag ", short fibre content improves.Only have and carry out detecting accurately in real time to unginned cotton humidity, could realize effectively and accurately controlling humidity.Therefore it is very important for designing a kind of system for machine cotton picking unginned cotton Humidity Detection.
Summary of the invention
The purpose of this utility model is to provide a kind of unginned cotton dust humidity detection system, solves the uppity problem of existing machine cotton picking unginned cotton humidity.
In order to solve the problem, this application provides a kind of unginned cotton dust humidity detection system, comprise humidity detection unit (11), processing unit (12), Alarm Unit (13) and power module (14), described humidity detection unit (11) comprises humidity detecting module and A/D modular converter; Described Alarm Unit (13) comprises display module and/or alarm module; Described processing unit (12) comprises microprocessor, crystal oscillator module and reseting module, and described crystal oscillator module provides operating clock signals for described microprocessor, described reseting module by described microprocessor recovery to initial state; The signal output part of described humidity detecting module is connected with the signal input part of described A/D modular converter, and the signal output part of described A/D modular converter is connected with the signal input part of described microprocessor; The signal output part of described microprocessor connects described display module and/or alarm module; Described power module (14) is described humidity detection unit (11), processing unit (12) and Alarm Unit (13) provide institute's subfam. Spiraeoideae.
As the preferred version of the application, described system also comprises the communication module (16) intercomed mutually with described microprocessor, described communication module (16) is for carrying out data transmission with outside mobile terminal, and described communication module (16) comprises RS232 serial wire communication interface or GPRS wireless communication interface; When described communication module (16) comprises RS232 serial wire communication interface, described communication module (16) comprises MAX232 level switch module, and this module realizes the conversion of TTL and RS232C level.
As the preferred version of the application, described system also comprises clock module (15), the signal input part of described clock module (15) is connected with the signal output part of described microprocessor, and the signal output part of described clock module (15) is connected with oscillatory circuit; Described clock module (15) for year, the moon, week, day, time, minute, second records and shows; Described clock module (15) at least comprises DS1302 chip, DS1307 chip or PCF8485 chip.
As the preferred version of the application, described Alarm Unit (13) also comprises key-press module and/or memory module, described key-press module is connected with the signal input part of described microprocessor, and be provided with pull-up resistor between key-press module and microprocessor, described key-press module comprises button and corresponding LED light, and described button at least comprises switch key, confirms button and humidity regulation button; Described memory module is connected with the signal output part of described microprocessor, and described storage unit is used for the humidity information that humidity detection unit (11) detects to preserve.
As the preferred version of the application, described Alarm Unit (13) also comprises key-press module and/or memory module, described key-press module is connected with the signal input part of described microprocessor, and be provided with pull-up resistor between key-press module and microprocessor, described key-press module comprises button and corresponding LED light, and described button at least comprises switch key, confirms button and humidity regulation button; Described memory module is connected with the signal output part of described microprocessor, and described storage unit is used for the humidity information that humidity detection unit (11) detects to preserve.
As the preferred version of the application, in described humidity detecting module, comprise at least one in HIH3610 humidity sensor, HIH3605 humidity sensor, HM1500 humidity sensor or HM1520 sensor; Described A/D modular converter adopts any one in ADC0809 chip, ADC0804 chip, TLC548 or TLC549 chip; Described display module selects LM016L chip, and this chip adopts IID447880 controller; Described alarm module comprises hummer, NPN pipe, electric capacity and resistance, an input termination power of hummer, the collector of another termination NPN pipe, the grounded emitter of NPN pipe, base stage and emitter access an electric capacity simultaneously, and base stage is connected with microprocessor by resistance.
As the preferred version of the application, described power module (14) comprises transformer, full-bridge rectifier and voltage stabilizer.
Beneficial effect
The utility model provides a kind of unginned cotton dust humidity detection system, and this system comprises humidity detection unit, processing unit, Alarm Unit and power module, and humidity detection unit comprises humidity detecting module and A/D modular converter; Alarm Unit comprises display module and/or alarm module; Processing unit comprises microprocessor, crystal oscillator module and reseting module, and crystal oscillator module provides operating clock signals for microprocessor, reseting module by microprocessor recovery to initial state; The signal output part of humidity detecting module is connected with the signal input part of A/D modular converter, and the signal output part of A/D modular converter is connected with the signal input part of microprocessor; The signal output part of microprocessor connects display module and/or alarm module; Power module is humidity detection unit, processing unit and Alarm Unit provide institute's subfam. Spiraeoideae, namely the application detects the humidity information of unginned cotton in real time by humidity detection unit, and the humidity information detected is transferred to processing unit, processing unit is according to the humidity information trigger alerts unit received, make operator can recognize the humidity information of current unginned cotton timely, solve the uppity problem of existing machine cotton picking unginned cotton humidity.
Accompanying drawing explanation
Fig. 1 is the unginned cotton dust humidity detection system structured flowchart that the utility model embodiment provides;
Fig. 2 is the power module circuitry schematic diagram that the utility model embodiment provides;
Fig. 3 is the A/D change-over circuit schematic diagram that the utility model embodiment provides;
Fig. 4 is the Alarm Unit circuit theory diagrams that the utility model embodiment provides;
Fig. 5 is the communication module circuit theory diagrams that the utility model embodiment provides;
Fig. 6 is the clock module circuit theory diagrams that the utility model embodiment provides;
Fig. 7 is the key-press module circuit theory diagrams that the utility model embodiment provides;
Fig. 8 is the unginned cotton dust humidity detection system circuit theory diagrams that the utility model embodiment provides.
Reference numeral
Humidity detection unit 11, processing unit 12, Alarm Unit 13, power module 14, clock module 15, communication module 16.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly understand, hereinafter will be described in detail to embodiment of the present utility model by reference to the accompanying drawings.
Embodiment 1:
Present embodiments provide a kind of unginned cotton dust humidity detection system, this system comprises humidity detection unit 11, processing unit 12, Alarm Unit 13 and power module 14, see Fig. 1, it is the unginned cotton dust humidity detection system structured flowchart that the present embodiment provides, humidity detection unit 11 comprises humidity detecting module and A/D modular converter, namely transfer to processing unit again after the unginned cotton humidity information that humidity detecting module detects by A/D modular converter carries out analog to digital conversion, so improve the response speed of processing unit; Alarm Unit 13 comprises display module and/or alarm module; Processing unit 12 comprises microprocessor, crystal oscillator module and reseting module; Crystal oscillator module provides operating clock signals for microprocessor, reseting module by microprocessor recovery to initial state, in the present embodiment, preferred microprocessor unit selects 51 series monolithics or MSP430 series monolithic, be preferably the AT89C51 single-chip microcomputer of 51 series in the present embodiment, this single-chip microcomputer inside is integrated with 4KFLASH storer and 32 programmable I/0 mouthful and has the idle of low-power consumption and power-down mode, is the low-voltage high-performance CMOS 8-bit microprocessor of a MCS-51 single-chip microcomputer compatibility; The signal output part of humidity detecting module is connected with the signal input part of A/D modular converter, and the signal output part of A/D modular converter is connected with the signal input part of microprocessor; The signal output part of microprocessor connects display module and/or alarm module; Power module 14 is humidity detection unit 11, processing unit 12 and Alarm Unit 13 provide institute's subfam. Spiraeoideae, during work, humidity detection unit 11 detects the humidity information of unginned cotton in real time, and the humidity information detected is transferred to processing unit 12, processing unit 12, according to the humidity information trigger alerts unit 13 received, makes author can recognize the humidity information of current unginned cotton in time.
In the present embodiment, power module 14 provides DC voltage for whole system, optimization power supply module 14 comprises transformer, full-bridge rectifier and voltage stabilizer, see Fig. 2, the power circuit principle figure that the present embodiment provides, operationally, transformer TR1 input end connects attaching plug through an insurance FU, transformer TR1 output terminal accesses a bridge rectifier circuit be made up of 4 diode BR1, export the undulatory property of DC voltage to reduce rectification, the present embodiment has accessed the electrochemical capacitor C4 of a 330uF.Transformer inputs can be accessed by 220V voltage, exports 9V voltage through bridge rectifier and capacitor filtering at the output terminal of transformer; The more voltage of 11V is approximately had at electric capacity C4 two ends, if electric capacity C4 two ends directly enter load, when load change or AC power have the voltage generation change by a relatively large margin that all can make C4 two ends during a little fluctuation, therefore the present embodiment has accessed a three terminal regulator 7805 at the output terminal of transformer, this three terminal regulator 7805 is a kind of integrated circuit components, inside is made up of some triode and resistance etc., internal resistance can regulate automatically, can export a more stable voltage by it.Therefore, by the power module 14 in the present embodiment, can for dust humidity detection system provide stable needed for DC voltage.In the present embodiment, power module 14 can connect alternating voltage, and in order to avoid there is the problem of power failure or electricity usage inconvenience, the present embodiment also provides standby power supply.
In the present embodiment, humidity detection unit 11 comprises humidity detecting module and A/D modular converter, and the input end of A/D modular converter is connected with humidity detecting module, and output terminal is connected with microprocessor.In the present embodiment, humidity detecting module comprises at least one in HIH3610 humidity sensor, HIH3605 humidity sensor, HM1500 humidity sensor or HM1520 sensor, preferably this humidity detecting module selects the HIH3610 humidity sensor of low cost, high sensitivity, low-power consumption, stiff stability in the present embodiment, and this sensor accuracy class is ± 3%RH.After preferably 3 HIH3610 humidity sensors connect power supply VCC energising work in the present embodiment, by the information input A/D modular converter collected, in the present embodiment, preferred A/D modular converter comprises any one in ADC0809 chip, ADC0804 chip, TLC548 or TLC549 chip, is preferably ADC0809 chip at the present embodiment.
See Fig. 3, humidity detection unit 11 circuit theory diagrams that the present embodiment provides, the input port IN0-IN2 of ADC0809, corresponding output terminal 2-1,2-2 are connected with P1.0, P1.1, P1.2 pin of single-chip microcomputer respectively with 2-3 pin, and P1.5, P1.6, P1.7 pin of single-chip microcomputer is connected with ADDC pin with ADDA, ADDB of ADC0809 chip again respectively simultaneously.In use, single-chip microcomputer is to ADDA, ADDB of ADC0809 chip low and high level different with ADDC pin, and then after the decoder for decoding of ADC0809 chip internal, certain humidity sensor just can be selected to carry out transmission data, wherein the CLOCK termination of ADC0809 chip enters the CLK pin realization triggering of 74LS74 edge triggered flip flop.
In the present embodiment, Alarm Unit 13 comprises display module and/or alarm module, and be connected with the signal output part of microprocessor, see Fig. 4, Alarm Unit 13 circuit theory diagrams that the present embodiment provides, in the present embodiment, display module selects LM016L chip of LCD, this chip adopts IID447880 controller, its VSS pin ground connection, VDD pin connects power supply, the mobile terminal of VEE pin access potentiometer RV1, two stiff ends of RV1 then distinguish Power supply and grounding, D0-D7 pin is connected with the P2.0-P2.7 of single-chip microcomputer respectively, RS, RW pin respectively with single-chip microcomputer /RD, / WR is connected to realize data read-write control, alarm module comprises hummer, NPN pipe, electric capacity and resistance, an input termination power of hummer BUZZER, the collector of another termination NPN pipe Q1, the grounded emitter of NPN pipe Q1, base stage and emitter access the electrochemical capacitor of a 4.7uF simultaneously, and base stage then accesses the P0.4 pin of AT89C51 system by resistance R1.
Embodiment 2:
Compared with embodiment 1, the distinctive points of the present embodiment is, described dust humidity detection system comprises communication module 16, and this communication module 16, for carrying out data communication with outside mobile terminal, facilitates user to carry out long-range or far distance controlled to this dust humidity detection system.See Fig. 5, be communication module 16 circuit theory diagrams that the present embodiment provides, this communication module 16 comprises RS232 serial wire communication interface or GPRS wireless communication interface, can realize wired or wireless communication; Preferred in the present embodiment, this communication module 16 comprises RS232 serial wire communication interface, and this communication module 16 also comprises MAX232 level switch module, and this module realizes the conversion of TTL and RS232C level.
When specifically using, communication module 16 selects MAX232 level transferring chip to realize the conversion of TTL and RS232C level, + 5V the power conversion of input can be become the 10V voltage needed for RS232C output level by this chip, wherein C1+, C1-, C2+ and C2-pin connects capacitance terminal, pin T1IN, T2IN, R1OUT, R2OUT connect the pin of TTL/CMOS level, pin T1OUT, T2OUT, R1IN, R2IN connect the respective pin of RS232C level, and T1IN, T2IN pin of TTL/CMOS level meets the serial transmission pin TXD of single-chip microcomputer; R1OUT, R2OUT meet the serial received pin RXD of single-chip microcomputer, and T1OUT, T2OUT of RS232C level corresponding with it meet the receiving end RD1 of mobile terminal; R1IN, R2IN meet the transmitting terminal TD1 of mobile terminal.
Embodiment 3:
Compared with embodiment 1 or 2, the difference of the present embodiment is, described dust humidity detection system also comprises clock module 15, and this clock module 15 is for being connected with the signal output part of microprocessor; Its for year, the moon, week, day, time, minute, second records and shows, be not so easy to use person and carry out data query, also person easy to use is to the control of unginned cotton detection time; In the present embodiment, clock module 15 at least comprises DS1302 chip, DS1307 chip or PCF8485 chip, in the present embodiment preferred clock module 15 adopt low in energy consumption, there is the real-time chip DS1302 that back-up source can carry out tiny stream current charges, its can to year, the moon, week, day, time, minute, second records and shows, and there is leap year compensation wait several functions.Clock module 15 circuit theory diagrams that the present embodiment provides see Fig. 6, it is the crystal oscillating circuit of 31.768kHz that X1, X2 pin of DS1302 chip connects oscillation frequency, VCC2 pin connects the positive pole of power supply, VCC1 pin connects power supply, and I/O, SCLK are then connected with P0.5, P0.6, P0.7 of single-chip microcomputer respectively with/RST pin.
Embodiment 4:
Compared with above-described embodiment, the difference part of the present embodiment is, Alarm Unit 13 also comprises key-press module and/or memory module, this key-press module is used for controlling dust humidity detection system and regulating, such as, Various Seasonal, the water cut of unginned cotton may be different, just need the predetermined moisture angle value according to circumstances adjustment System, this key-press module comprises button and corresponding LED light, described button at least comprises switch key, confirms button, humidity regulation button etc., the button that LED light is corresponding different.See Fig. 7, be the key-press module circuit theory diagrams that the present embodiment provides, preferred the present embodiment devises 4 buttons, comprise one confirm button, one start button, one add 1 button and one subtract 1 button.4 button one end are connected to each other and communicate with the earth, are connected respectively, and on P0.0-P0.3 pin, have all accessed resistance and the power supply of 10K, can reach the effect of pull-up like this after other end connecting luminous diode with the P0.0-P0.3 pin of single-chip microcomputer.
Memory module is used for storing the humidity information that microprocessor receives, person's subsequent query easy to use, in the present embodiment, preferred memory module adopts Low-Power CMOS technology to have the 24LC64 chip of noise suppressing function, its WP, A1 and A2 pin is connected to ground, be connected with power supply after A0 pin access 10K resistance, SDK with SCK pin is then connected with P1.3, P1.4 pin of single-chip microcomputer respectively.
In this application, at least one in display module, alarm module, key-press module and memory module in preferred Alarm Unit 13 constitutes an alarm indication panel, user while carrying out Real-Time Monitoring to unginned cotton humidity information, also can carry out regulation and control to unginned cotton detection system by this alarm indication panel.
Embodiment 5:
See Fig. 8, the concrete unginned cotton detection system circuit theory diagrams that the present embodiment provides, except microprocessor in this system, also comprise humidity measuring circuit, A/D change-over circuit, reset circuit, crystal oscillating circuit, power circuit, warning circuit, display circuit, memory circuit, key circuit and clock circuit and telecommunication circuit, humidity measuring circuit is connected with the signal input part of microprocessor by A/D change-over circuit, in order to ensure the high-performance of microprocessor, be provided with reset circuit and crystal oscillating circuit on the microprocessor; Unginned cotton humidity information trigger alarm circuit, display circuit, clock circuit and/or telecommunication circuit that microprocessor detects according to humidity measuring circuit, can know the humidity information of current unginned cotton intuitively by display circuit user; By warning circuit, user can recognize that current unginned cotton humidity is greater than default humidity value, needs to carry out drying and processing to unginned cotton; By clock circuit, can by current detection to unginned cotton information and temporal information store, facilitate user to unginned cotton subsequent treatment control, and facilitate the collection of data; By telecommunication circuit, user can carry out wired or wireless monitoring to dust humidity detection system long-range or at a distance, is user-friendly to this detection system; In order to regulate and control microprocessor, also key circuit is provided with in this unginned cotton detection system, the switch of unginned cotton detection system not only can be controlled by this key circuit, the adjustment that system unginned cotton presets humidity value can also be carried out, therefore, make system hommization and controlledization more, improve the satisfaction of user.
Claims (10)
1. a unginned cotton dust humidity detection system, comprise humidity detection unit (11), processing unit (12), Alarm Unit (13) and power module (14), it is characterized in that, described humidity detection unit (11) comprises humidity detecting module and A/D modular converter; Described Alarm Unit (13) comprises display module and/or alarm module; Described processing unit (12) comprises microprocessor, crystal oscillator module and reseting module, and described crystal oscillator module provides operating clock signals for described microprocessor, described reseting module by described microprocessor recovery to initial state; The signal output part of described humidity detecting module is connected with the signal input part of described A/D modular converter, and the signal output part of described A/D modular converter is connected with the signal input part of described microprocessor; The signal output part of described microprocessor connects described display module and/or alarm module; Described power module (14) is described humidity detection unit (11), processing unit (12) and Alarm Unit (13) provide institute's subfam. Spiraeoideae.
2. unginned cotton dust humidity detection system as claimed in claim 1, it is characterized in that, comprise the communication module (16) intercomed mutually with described microprocessor, described communication module (16) is for carrying out data transmission with outside mobile terminal, and described communication module (16) comprises RS232 serial wire communication interface or GPRS wireless communication interface; When described communication module (16) comprises RS232 serial wire communication interface, described communication module (16) comprises MAX232 level switch module, and this module realizes the conversion of TTL and RS232C level.
3. unginned cotton dust humidity detection system as claimed in claim 1 or 2, it is characterized in that, comprise clock module (15), the signal input part of described clock module (15) is connected with the signal output part of described microprocessor, and the signal output part of described clock module (15) is connected with oscillatory circuit; Described clock module (15) for year, the moon, week, day, time, minute, second records and shows; Described clock module (15) at least comprises DS1302 chip, DS1307 chip or PCF8485 chip.
4. unginned cotton dust humidity detection system as claimed in claim 1 or 2, it is characterized in that, described Alarm Unit (13) also comprises key-press module and/or memory module, described key-press module is connected with the signal input part of described microprocessor, and be provided with pull-up resistor between key-press module and microprocessor, described key-press module comprises button and corresponding LED light, and described button at least comprises switch key, confirms button and humidity regulation button; Described memory module is connected with the signal output part of described microprocessor, and described storage unit is used for the humidity information that humidity detection unit (11) detects to preserve.
5. unginned cotton dust humidity detection system as claimed in claim 3, it is characterized in that, described Alarm Unit (13) also comprises key-press module and/or memory module, described key-press module is connected with the signal input part of described microprocessor, and be provided with pull-up resistor between key-press module and microprocessor, described key-press module comprises button and corresponding LED light, and described button at least comprises switch key, confirms button and humidity regulation button; Described memory module is connected with the signal output part of described microprocessor, and described storage unit is used for the humidity information that humidity detection unit (11) detects to preserve.
6. unginned cotton dust humidity detection system as claimed in claim 1 or 2, is characterized in that, comprise at least one in HIH3610 humidity sensor, HIH3605 humidity sensor, HM1500 humidity sensor or HM1520 sensor in described humidity detecting module; Described A/D modular converter adopts any one in ADC0809 chip, ADC0804 chip, TLC548 or TLC549 chip; Described display module selects LM016L chip, and this chip adopts IID447880 controller; Described alarm module comprises hummer, NPN pipe, electric capacity and resistance, an input termination power of hummer, the collector of another termination NPN pipe, the grounded emitter of NPN pipe, base stage and emitter access an electric capacity simultaneously, and base stage is connected with microprocessor by resistance.
7. unginned cotton dust humidity detection system as claimed in claim 3, is characterized in that, comprise at least one in HIH3610 humidity sensor, HIH3605 humidity sensor, HM1500 humidity sensor or HM1520 sensor in described humidity detecting module; Described A/D modular converter adopts any one in ADC0809 chip, ADC0804 chip, TLC548 or TLC549 chip; Described display module selects LM016L chip, and this chip adopts IID447880 controller; Described alarm module comprises hummer, NPN pipe, electric capacity and resistance, an input termination power of hummer, the collector of another termination NPN pipe, the grounded emitter of NPN pipe, base stage and emitter access an electric capacity simultaneously, and base stage is connected with microprocessor by resistance.
8. unginned cotton dust humidity detection system as claimed in claim 4, is characterized in that, comprise at least one in HIH3610 humidity sensor, HIH3605 humidity sensor, HM1500 humidity sensor or HM1520 sensor in described humidity detecting module; Described A/D modular converter adopts any one in ADC0809 chip, ADC0804 chip, TLC548 or TLC549 chip; Described display module selects LM016L chip, and this chip adopts IID447880 controller; Described alarm module comprises hummer, NPN pipe, electric capacity and resistance, an input termination power of hummer, the collector of another termination NPN pipe, the grounded emitter of NPN pipe, base stage and emitter access an electric capacity simultaneously, and base stage is connected with microprocessor by resistance.
9. unginned cotton dust humidity detection system as claimed in claim 5, is characterized in that, comprise at least one in HIH3610 humidity sensor, HIH3605 humidity sensor, HM1500 humidity sensor or HM1520 sensor in described humidity detecting module; Described A/D modular converter adopts any one in ADC0809 chip, ADC0804 chip, TLC548 or TLC549 chip; Described display module selects LM016L chip, and this chip adopts IID447880 controller; Described alarm module comprises hummer, NPN pipe, electric capacity and resistance, an input termination power of hummer, the collector of another termination NPN pipe, the grounded emitter of NPN pipe, base stage and emitter access an electric capacity simultaneously, and base stage is connected with microprocessor by resistance.
10. unginned cotton dust humidity detection system as claimed in claim 1 or 2, it is characterized in that, described power module (14) comprises transformer, full-bridge rectifier and voltage stabilizer.
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| CN201520760488.8U CN204925091U (en) | 2015-09-23 | 2015-09-23 | Unginned cotton humidity detecting system |
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| CN201520760488.8U CN204925091U (en) | 2015-09-23 | 2015-09-23 | Unginned cotton humidity detecting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109003571A (en) * | 2018-10-10 | 2018-12-14 | 合肥惠科金扬科技有限公司 | The driving circuit and display device of display panel |
| CN109637095A (en) * | 2018-12-28 | 2019-04-16 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | A kind of water level detecting alarm control circuit |
-
2015
- 2015-09-23 CN CN201520760488.8U patent/CN204925091U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109003571A (en) * | 2018-10-10 | 2018-12-14 | 合肥惠科金扬科技有限公司 | The driving circuit and display device of display panel |
| CN109637095A (en) * | 2018-12-28 | 2019-04-16 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | A kind of water level detecting alarm control circuit |
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Granted publication date: 20151230 Termination date: 20180923 |