CN106023953B - A kind of emergency power supply display screen circuit - Google Patents
A kind of emergency power supply display screen circuit Download PDFInfo
- Publication number
- CN106023953B CN106023953B CN201610578715.4A CN201610578715A CN106023953B CN 106023953 B CN106023953 B CN 106023953B CN 201610578715 A CN201610578715 A CN 201610578715A CN 106023953 B CN106023953 B CN 106023953B
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- control chip
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- communication
- display screen
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- 238000004891 communication Methods 0.000 claims abstract description 27
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The present invention discloses a kind of emergency power supply display screen circuit, including control chip, communication chip, display module, address latch chip, bus transceiver module, clock circuit；The control chip uses patch type STC15W4K32S4 microcontrollers, the communication chip uses patch type SN75176, increase and extraneous communication, the display module uses LCD1602 character liquid crystals, described address latches chip and uses patch type 74AC373, the bus transceiver module uses patch type 74AC245, and resistance and capacitance use patch type, wherein, the data that the communication chip transmits the control chip are handled and pass to the external world, method of the present invention by the way that the element in display screen circuit to be used to patch type welding, and increase communication chip, it is not only simple in structure, reduce volume, reduce the cost of emergency power supply display screen, and it increases and the extraneous function of communicating.
Description
Technical field
The invention belongs to field of circuit technology, are related to the circuit of display screen, specifically a kind of emergency power supply display screen electricity
Road.
Background technology
With the continuous renewal of electronic product, traditional electronic product is due to the factor that volume is excessive or power consumption is high,
Through the actual demand of user can not be reached, at present, the trend hair more than more and more electronic product orientation miniaturizations, function
Exhibition, therefore the requirements such as volume, mounting means, function of electronic component for interiors of products are more and more harsher.
Emergency power supply display screen intuitively can show line voltage, emergent voltage, battery tension and defeated for observer
Go out the data informations such as electric current, the working condition of emergency power supply had a clear understanding of convenient for personnel, if problem once occurs, can immediately pair
It is checked.Using direct insertion AT89S51 microcontrollers, direct insertion SN74HC373 in existing emergency power supply display screen circuit
Address latch chip, direct insertion SN74HC245 buses transceiving chip and direct insertion resistance and capacitance, account for the very big sky of entire circuit
Between so that the volume increase of emergency power supply cabinet, cost improves, and does not have the function of being communicated with the external world, therefore unfavorable
In the competition of manufacturing enterprise.
Invention content
A kind of emergency power supply display screen circuit provided by the invention, solve emergency power supply display screen occupied space it is big, into
This height and cannot external world the problem of being communicated.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of emergency power supply display screen circuit, control chip, communication chip, display module, address latch chip, bus are received
Send out module, clock circuit；
Wherein, the control chip uses patch type using patch type STC15W4K32S4 microcontrollers, the communication chip
SN75176 increases and uses LCD1602 character liquid crystals with extraneous communication, the display module, and described address latches chip and uses
Patch type 74AC373, the bus transceiver module uses patch type 74AC245, and resistance and capacitance use patch type.
The control chip is connect with the communication chip, and the control chip is connect with the display module, the control
Coremaking piece is connect with described address latch chip, and wherein described address latch chip is connect with seven LED lights, described
Control chip is connect with the bus transceiver module.
The bus transceiver module, which receives, passes to the control chip, institute after the data of DSP program boards on control panel
It states control chip to pass the data received to the display module by P0 oral instructions and show, while described chip is controlled to pass through P3
Mouthful described address latch chip and communication chip are controlled respectively, during this, the clock circuit is the control
Chip provides clock signal.
When alternating current is normal, described address latch chip the 14th, 7,5,16 pin levels are with the control chip
P0.6 mouthfuls, P0.2 mouthfuls, P0.3 mouthfuls, P0.7 pin levels variation and change；When alternating current dead electricity, described address latches the of chip
13rd, 16 pin levels change with P0.1, P0.7 pin level of the control chip and are changed；When electric voltage over press or under-voltage, electric
When flowing through load, the 6th foot level that described address latches chip changes with the P0.4 pin levels of the control chip and changes, phase
The indicator light of pin is answered to brighten.
The data that are transmitted to the bus transceiver module of control chip handle after by the control chip
P0 oral instructions are delivered to the display that the display module carries out data.
The bus transceiver module receives data after controlling chip processing, passes to the communication chip, described logical
News chip handles data and passes to the external world.
Beneficial effects of the present invention：The present invention is by the way that the element in display screen circuit is welded, and increase using patch type
Communication chip is not only simple in structure, reduces volume, reduces the cost of emergency power supply display screen, and increases and communicated with extraneous
Function.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, embodiment will be described below required
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structure chart of emergency power supply display screen circuit of the present invention.
Specific embodiment
A kind of emergency power supply display screen circuit includes control chip 1, communication chip 2, display module 3, address latch chip
4th, bus transceiver module 5, clock circuit 6；
Wherein, control chip 1 uses patch type STC15W4K32S4 microcontrollers, and communication chip 2 uses patch type
SN75176 increases and uses LCD1602 character liquid crystals with extraneous communication, display module 3, and address latch chip 4 uses patch type
74AC373, bus transceiver module 5 uses patch type 74AC245, and resistance and capacitance reduce element and occupy using patch type
Volume, so as to which the volume for making whole device also greatly reduces.
P3.0, P3.1 mouth of control chip 1 are connect with communication chip 2, the P0 mouths connection display module 3 of control chip 1, control
The P3.5 link addresses latch chip 4 of coremaking piece 1, wherein address latch chip 4 are connect with seven LED lights 7, control
Chip 1 is connect with bus transceiver module 5.
Bus transceiver module 5, which receives, passes to control chip 1 after the data of DSP program boards 8 on control panel, control chip
1 passs the data received to display module 3 by P0 oral instructions shows, while chip 1 is controlled to be locked respectively to address by P3 mouthfuls
Storage chip 4 and communication chip 2 are controlled, and during this, chip 1 provides clock signal to clock circuit 6 in order to control.
When alternating current is normal, control chip 1 P0.6 mouths, P0.2 mouthfuls, P0.3 mouthfuls, P0.7 mouthfuls of pins draw high, lock address
14th, 7,5,16 foot level of storage chip 4 are high level, so as to which corresponding main electricity, charging, input, the indicator light 7 of output are bright；
When alternating current dead electricity, P0.1, P0.7 pin of control chip 1 are drawn high, and make the 13rd of address latch chip 4 the, level of 16 feet
It is bright so as to correspond to emergent, output indicator light 7 for high level；When electric voltage over press or under-voltage, current overload, control chip 1
P0.4 pins are drawn high, and the 6th foot for making address latch chip 4 is high level, so as to which malfunction indicator lamp 7 is bright.
Bus transceiver module 5 receives data in DSP program boards 8 on control panel, and data are carried out with the conversion of level, is made
The voltage of outside transmission passes to control chip 1 with the operating voltage of chip 1 is controlled to match；Control chip receives bus
After the data that transceiver module 5 comes out, while display module 3, communication chip 2, address latch chip 4 are controlled；Control core
The data that piece 1 transmits bus transceiver module 5 are carried out after handling by the way that the P0 oral instructions of chip 1 is controlled to be delivered to display module 3
The display of data, at this point, control chip 1 passes data to communication chip 2 by P3.0, P3.1 mouthfuls, communication chip 2 is to data
It is handled and Transistor-Transistor Logic level is converted to 485 signal levels, pass to the external world；In the process, control chip 1 passes through P3.5 pairs
The enabled mouth LE of address latch chip 4 draws high or drags down, and makes corresponding pin hold mode, and corresponding indicator light 7 can be sent out pair
The light on and off answered, so as to achieve the effect that current state is shown, wherein chip 1 provides clock signal to clock circuit 6 in order to control, makes control
Coremaking piece 1 can control other chips to work.
Above content is only the design example and explanation to the present invention, affiliated those skilled in the art
Various modifications or additions are done to described specific embodiment or are substituted in a similar way, without departing from invention
Design or surmount range defined in the claims, be within the scope of protection of the invention.
Claims (3)
1. a kind of emergency power supply display screen circuit, it is characterised in that：Control chip (1), communication chip (2), display module (3),
Address latch chip (4), bus transceiver module (5), clock circuit (6)；
Wherein, the control chip (1) is using patch type STC15W4K32S4 microcontrollers, and the communication chip (2) is using patch
Formula SN75176 increases and latches core using LCD1602 character liquid crystals, described address with extraneous communication, the display module (3)
Piece (4) is using patch type 74AC373, and the bus transceiver module (5) is using patch type 74AC245, and resistance and capacitance are adopted
Use patch type；
The control chip (1) connect with the communication chip (2), and the control chip (1) connects with the display module (3)
It connects, the control chip (1) connect with described address latch chip (4), wherein described address latch chip (4) and seven
LED light (7) connects, and the control chip (1) connect with the bus transceiver module (5)；
The bus transceiver module (5), which receives, passes to the control chip (1) after the data of DSP program boards on control panel,
The control chip (1) is passed the data received to the display module (3) by P0 oral instructions and is shown, while the control core
Piece (1) respectively controls described address latch chip (4) and communication chip (2) by P3 mouthfuls, during this, when described
Clock circuit (6) provides clock signal for the control chip (1)；
When alternating current is normal, described address latch chip (4) the 14th, 7,5,16 pin levels are with the control chip (1)
P0.6 mouthfuls, P0.2 mouthfuls, P0.3 mouthfuls, P0.7 pin levels variation and change；When alternating current dead electricity, described address latches chip (4)
The 13rd, 16 pin levels with it is described control chip (1) P0.1, P0.7 pin level change and change；When electric voltage over press or
During under-voltage, current overload, described address latches the 6th foot level of chip (4) with the P0.4 pin levels of the control chip (1)
Change and change, the indicator light of respective pins brightens.
2. a kind of emergency power supply display screen circuit according to claim 1, it is characterised in that：The control chip (1) is right
The data that the bus transceiver module (5) is transmitted are delivered to described aobvious by the P0 oral instructions of the control chip (1) after being handled
Show that module (3) carries out the display of data.
3. a kind of emergency power supply display screen circuit according to claim 1, it is characterised in that：The bus transceiver module
(5) data are received after control chip (1) is handled, pass to the communication chip (2), the communication chip (2) is to data
It is handled and passes to the external world.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578715.4A CN106023953B (en) | 2016-07-21 | 2016-07-21 | A kind of emergency power supply display screen circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578715.4A CN106023953B (en) | 2016-07-21 | 2016-07-21 | A kind of emergency power supply display screen circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106023953A CN106023953A (en) | 2016-10-12 |
| CN106023953B true CN106023953B (en) | 2018-07-06 |
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ID=57116940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610578715.4A Active CN106023953B (en) | 2016-07-21 | 2016-07-21 | A kind of emergency power supply display screen circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106023953B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201352725Y (en) * | 2009-01-23 | 2009-11-25 | 合肥英特电力设备有限公司 | Emergency power source system |
| KR101278307B1 (en) * | 2011-08-12 | 2013-06-25 | 세방전지(주) | Power supply system |
| CN105322577A (en) * | 2014-06-17 | 2016-02-10 | 深圳市润东来科技有限公司 | AC and DC emergency power supply |
| CN205123107U (en) * | 2015-11-06 | 2016-03-30 | 四川阿海珐电气有限公司 | Emergency power source host computer cabinet operating panel |
| CN105652213A (en) * | 2016-02-22 | 2016-06-08 | 昆山市诚泰电气股份有限公司 | Prompt system for low power of battery of emergency power supply |
-
2016
- 2016-07-21 CN CN201610578715.4A patent/CN106023953B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106023953A (en) | 2016-10-12 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Emergency power supply display screen circuit Effective date of registration: 20190816 Granted publication date: 20180706 Pledgee: Hefei high tech Company limited by guarantee Pledgor: Hefei Linxin Power Co., Ltd. Registration number: Y2019340000012 |
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Date of cancellation: 20211101 Granted publication date: 20180706 Pledgee: Hefei high tech Company limited by guarantee Pledgor: HEFEI LIANXIN POWER SUPPLY Co.,Ltd. Registration number: Y2019340000012 |
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Effective date of registration: 20211115 Address after: 402760 No. 92, Donglin Avenue, Biquan street, Bishan District, Chongqing (plant 52) Patentee after: Chongqing high tech Industry Research Institute Co., Ltd Address before: 230031 No. 61, Yulan Avenue, high tech Zone, Hefei, Anhui Patentee before: Hefei Lianxin power supply Co., Ltd |
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Effective date of registration: 20211229 Address after: 402760 No. 198 Jianshan Road, Biquan street, Bishan District, Chongqing Patentee after: CHONGQING SANSAN ELECTRIC APPLIANCE CO.,LTD. Address before: 402760 No.92 Donglin Avenue, Biquan street, Bishan District, Chongqing Patentee before: Chongqing high tech Industry Research Institute Co., Ltd |