CN204730909U - A kind of power station Intelligent water level sniffer - Google Patents
A kind of power station Intelligent water level sniffer Download PDFInfo
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- CN204730909U CN204730909U CN201520389884.4U CN201520389884U CN204730909U CN 204730909 U CN204730909 U CN 204730909U CN 201520389884 U CN201520389884 U CN 201520389884U CN 204730909 U CN204730909 U CN 204730909U
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- water level
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Abstract
The utility model is a kind of power station Intelligent water level sniffer, relates to monitoring technique field; Technical problem to be solved in the utility model is the technical deficiency for above-mentioned existence, provides a kind of power station Intelligent water level sniffer, adopts single-chip microcomputer to carry out the technical characteristic controlled, reaches the technique effect of accurately detecting water level; Adopt LED display, solve the technical matters of water level display, reach display water level value in real time and obtain technique effect; Adopt the technical characteristic of multiple intelligent sensor, reach control and detect the technique effect of makeing mistakes; Single-chip microcomputer adopts MCS-51 series 8031 single-chip microcomputers, and it is connected with external memory storage EPROM by latch, and the different chips such as 2716 (2K × 8), 2732 (4K × 8), 2764 (8K × 8) can be selected to make storer; Power supply is divided into working power and standby power supply; Adopt three intelligent sensors to measure simultaneously, when the water level value obtained differs larger, illustrate that one of them intelligent sensor measuring accuracy is not enough, need to carry out adjusting or changing when two intelligent sensor sides.
Description
Technical field
The utility model is a kind of power station Intelligent water level sniffer, relates to monitoring technique field.
Background technology
Electric power is now the most frequently used a kind of energy, and mainly adopts hydropower at south China, and hydropower has the low and advantage of environmental protection of cost, is widely adopted, and hydropower is requisite needs water-power plant.The safety in the large power station of water conservancy is most important, not only be related to the electricity consumption of productive life, more be related to the personal safety of downstream people, so the safety of water-power plant is the focus that people are concerned about always, and the water level in power station is the key factor affecting power station safety, because water level is too high, or the arriving of flood peak likely causes the safety problem of dam, so need Real-Time Monitoring upper pond level and discharge.In the prior art, mainly utilize on water level rod and be carved with scale, and table has color, different colours represents the danger of different stage, then water level rod needs staff to carry out manual observation could to obtain water level information, service efficiency is low, need labor intensive and serviceable life short, some power stations adopt sensor technology for the measurement of water level, but the reasons such as the precision change of most sensor self are seldom considered, just make the lengthening of the working time along with equipment, its measuring accuracy, stability and accuracy all will decrease.This is a problem for the power station that high precision water level requires.
Utility model content
Technical problem to be solved in the utility model is the technical deficiency for above-mentioned existence, provides a kind of power station Intelligent water level sniffer, adopts single-chip microcomputer to carry out the technical characteristic controlled, reaches the technique effect of accurately detecting water level; Adopt LED display, solve the technical matters of water level display, reach display water level value in real time and obtain technique effect; Adopt the technical characteristic of multiple intelligent sensor, reach control and detect the technique effect of makeing mistakes.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: comprise pressure measuring module, switch, single-chip microcomputer, D/A modular converter, eprom memory, control circuit, operator's console, power supply, the first intelligent sensor, the second intelligent sensor, the 3rd intelligent sensor, the output terminal of pressure measuring module connects amplifier, and the signal of pressure measuring module is amplified by amplifier; Signal after amplifying delivers to A/D modular converter by switch, and after A/D modular converter, amplifying signal converts digital quantity to by analog quantity, and A/D modular converter connects the input port of single-chip microcomputer; The output terminal of single-chip microcomputer and D/A model calling, after single-chip microcomputer processes digital quantity, export analog quantity through D/A modular converter; D/A modular converter is also connected with display module with alarm module; Control circuit controls single-chip microcomputer; Program needed for single-chip microcomputer leaves in eprom memory; Power supply powers to the first intelligent sensor, and power supply powers to the second intelligent sensor, and power supply powers to the 3rd intelligent intelligent sensor, and power supply is powered to control circuit; Operator's console arranges the parameter of control circuit.
Further optimization the technical program: the adjusting size that the resistance of electric bridge four resistance that described pressure measuring module is made up of R1, R2, R3 and R4 tetra-resistance can be random.
Further optimization the technical program: described single-chip microcomputer adopts MCS-51 series 8031 single-chip microcomputers, it is connected with external memory storage EPROM by latch, and the different chips such as 2716 (2K × 8), 2732 (4K × 8), 2764 (8K × 8) can be selected to make storer.
Further optimization the technical program: described power supply is divided into working power and standby power supply.
Further optimization the technical program: module adopts LED display in described showing; Warning device adopts hummer, and according to hummer, whether sounding judges whether to report to the police.
Compared with prior art, the utility model has the following advantages: the measuring method 1, adopting intelligent sensor, measures more accurate than pressure transducer traditional before; 2, four resistance R1, R2, R3 and R4 of pressure measuring module are connected into electric bridge form, output signal is directly proportional to measurement pressure, and the resistance docking that R1 and R4 two resistances are increased, the resistance docking that R2 and R3 two resistances reduce, makes the sensitivity of electric bridge maximum; 3, adopt three intelligent sensors to measure simultaneously, when the water level value obtained differs larger, illustrate that one of them intelligent sensor measuring accuracy is not enough, need to carry out adjusting or changing when two intelligent sensor sides.
Accompanying drawing explanation
Fig. 1 is; Intelligent pressure sensor composition frame chart;
Fig. 2 is; Pressure measuring module;
Fig. 3 is: control circuit;
Fig. 4 is: intelligent sensor program flow diagram.
In figure, 1, pressure measuring module; 2, amplifier; 3, switch; 4, A/D modular converter; 5, single-chip microcomputer; 6, D/A modular converter; 7, warning device; 8, display module; 9, control circuit; 10, eprom memory; 91, power supply; 92, the first intelligent sensor; 93, the second intelligent sensor; 94, the 3rd intelligent sensor; 95, operator's console.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment also with reference to accompanying drawing, the utility model is further described.Should be appreciated that, these describe just exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present utility model.
Embodiment one: as Figure 1-4, comprise pressure measuring module 1, switch 3, single-chip microcomputer 5, D/A modular converter 6, eprom memory 10, control circuit 9, operator's console 95, power supply 91, first intelligent sensor 92, second intelligent sensor 93, the 3rd intelligent sensor 94, the output terminal of pressure measuring module 1 connects amplifier 2, and the signal of pressure measuring module 1 is amplified by amplifier 2; Signal after amplifying delivers to A/D modular converter 4 by switch 3, and after A/D modular converter 4, amplifying signal converts digital quantity to by analog quantity, and A/D modular converter 4 connects the input port of single-chip microcomputer 5; The output terminal of single-chip microcomputer 5 is connected with D/A modular converter 6, after single-chip microcomputer 5 pairs of digital quantities process, exports analog quantity through D/A modular converter 6; D/A modular converter 6 is also connected with display module 8 with alarm module 7; Control circuit 9 pairs of single-chip microcomputers 5 control; Program needed for single-chip microcomputer 5 leaves eprom memory 10 li in; Power supply 91 powers to the first intelligent sensor 92, and power supply 91 powers to the second intelligent sensor 93, and power supply 91 powers to intelligence the 3rd sensor 94, and power supply 91 powers to control circuit 9; Operator's console 95 arranges the parameter of control circuit 9; The electric bridge that pressure measuring module 1 is made up of R1, R2, R3 and R4 tetra-resistance, the adjusting size that the resistance of R1, R2, R3 and R4 tetra-resistance can be random; Single-chip microcomputer 5 adopts MCS-51 series 8031 single-chip microcomputers, it is connected with outside eprom memory 10 by latch, and the different chips such as 2716 (2K × 8), 2732 (4K × 8), 2764 (8K × 8) can be selected to make storer; Power supply 91 is divided into working power and standby power supply; Display module 8 adopts LED display; Warning device 7 adopts hummer, and according to hummer, whether sounding judges whether to report to the police.
During concrete use, see Fig. 1-4: first, staff carries out the setting of parameter on operator's console 95 to control circuit 9; Setting parameter well after, control circuit 9 controls the first intelligent sensor 92, second intelligent sensor 93 and the 3rd intelligent sensor 94 more respectively; The job step of three intelligent sensors is:
Step 401: connect with the mains 91 start working after, intelligent sensor is started working;
Step 402: according to step 401, intelligent sensor carries out self-inspection after starting working;
Step 403: after self-inspection is complete, judges whether intelligent sensor has accessed LED, keyboard; If what do not have has accessed LED, keyboard, then perform the stopped status of step 404; If accessed LED, keyboard, then continue down to perform step 405, represented access symbol;
Step 406: judge that whether each chip sensor is working properly; If abnormal, perform step 407, represent that single-chip microcomputer 5 is in up-set condition; If normal, continue down to perform;
Step 408: single-chip microcomputer 5 carries out initialization and arranges state to each interface chip;
Step 409: single-chip microcomputer 5 carries out reading key order, the program of eprom memory 10 starts to input in single-chip microcomputer 5;
Step 410: single-chip microcomputer 5 carries out output order, by D/A modular converter 6, shows the water level value of detection at display module 8; When water level value exceedes setting value, reported to the police by warning device 7, and step 409 and step 410 are mended in circulation.
Should be understood that, above-mentioned embodiment of the present utility model only for exemplary illustration or explain principle of the present utility model, and is not formed restriction of the present utility model.Therefore, any amendment made when not departing from spirit and scope of the present utility model, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.In addition, the utility model claims be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.
Claims (5)
1. a power station Intelligent water level sniffer, it is characterized in that: comprise pressure measuring module (1), switch (3), single-chip microcomputer (5), D/A modular converter (6), eprom memory (10), control circuit (9), operator's console (95), power supply (91), first intelligent sensor (92), second intelligent sensor (93), 3rd intelligent sensor (94), the output terminal of pressure measuring module (1) connects amplifier (2), the signal of pressure measuring module (1) is amplified by amplifier (2), signal after amplifying delivers to A/D modular converter (4) by switch (3), after A/D modular converter (4), amplifying signal converts digital quantity to by analog quantity, and A/D modular converter (4) connects the input port of single-chip microcomputer (5), the output terminal of single-chip microcomputer (5) is connected with D/A modular converter (6), after single-chip microcomputer (5) processes digital quantity, exports analog quantity through D/A modular converter (6), D/A modular converter (6) is also connected with display module (8) with alarm module (7), control circuit (9) controls single-chip microcomputer (5), it is inner that program needed for single-chip microcomputer (5) leaves eprom memory (10) in, power supply (91) is powered to the first intelligent sensor (92), power supply (91) is powered to the second intelligent sensor (93), power supply (91) gives the power supply of intelligence the 3rd sensor (94), and power supply (91) is powered to control circuit (9), operator's console (95) arranges the parameter of control circuit (9).
2. a kind of power station according to claim 1 Intelligent water level sniffer, it is characterized in that: the electric bridge that pressure measuring module (1) is made up of R1, R2, R3 and R4 tetra-resistance, the adjusting size that the resistance of R1, R2, R3 and R4 tetra-resistance can be random.
3. a kind of power station according to claim 1 Intelligent water level sniffer, it is characterized in that: single-chip microcomputer (5) adopts MCS-51 series 8031 single-chip microcomputers, it is connected with outside eprom memory (10) by latch, and the different chips such as 2716 (2K × 8), 2732 (4K × 8), 2764 (8K × 8) can be selected to make storer.
4. a kind of power station according to claim 1 Intelligent water level sniffer, is characterized in that: power supply (91) is divided into working power and standby power supply.
5. a kind of power station according to claim 1 Intelligent water level sniffer, is characterized in that: display module (8) adopts LED display; Warning device (7) adopts hummer, and according to hummer, whether sounding judges whether to report to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520389884.4U CN204730909U (en) | 2015-06-09 | 2015-06-09 | A kind of power station Intelligent water level sniffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520389884.4U CN204730909U (en) | 2015-06-09 | 2015-06-09 | A kind of power station Intelligent water level sniffer |
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| Publication Number | Publication Date |
|---|---|
| CN204730909U true CN204730909U (en) | 2015-10-28 |
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| CN201520389884.4U Expired - Fee Related CN204730909U (en) | 2015-06-09 | 2015-06-09 | A kind of power station Intelligent water level sniffer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403346A (en) * | 2015-11-24 | 2016-03-16 | 南京工业职业技术学院 | High precision measuring system based on water tank pressure |
-
2015
- 2015-06-09 CN CN201520389884.4U patent/CN204730909U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403346A (en) * | 2015-11-24 | 2016-03-16 | 南京工业职业技术学院 | High precision measuring system based on water tank pressure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20160609 |