CN204302815U - A kind of laboratory sink adds water the control system that discharges water - Google Patents
A kind of laboratory sink adds water the control system that discharges water Download PDFInfo
- Publication number
- CN204302815U CN204302815U CN201420763615.5U CN201420763615U CN204302815U CN 204302815 U CN204302815 U CN 204302815U CN 201420763615 U CN201420763615 U CN 201420763615U CN 204302815 U CN204302815 U CN 204302815U
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- water
- control system
- cock
- discharges
- measuring instrument
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Abstract
The utility model discloses a kind of laboratory sink to add water the control system that discharges water, comprise water pressure measuring instrument, single-chip computer control system, add taps and cock of water drain, described single-chip computer control system respectively with water pressure measuring instrument, add taps and cock of water drain is connected.The utility model laboratory sink adds water and discharges water Control system architecture simply, and with low cost, can be suitable for the experimental tank of Ge Suo colleges and universities, tank is added water and discharges water and can be undertaken by single-chip computer control system, does not need testing crew to walk up and down; Water pressure can be converted to the depth of water, adopt the method that repetitive measurement is averaged, can meet test requirements document, water level precision also improves a lot than visually observing.
Description
Technical field
The utility model relates to test apparatus field, specifically relates to a kind of laboratory sink and to add water the control system that discharges water.
Background technology
Have many tank having in the colleges and universities of ocean and relevant speciality thereof and carry out the test of wave section, tank by wave maker make wave simulation wave and building interaction.
Usual operating condition of test has the multiple water level such as extreme high water level, design high-water, design lowest stage, extreme low water level, laboratory adds water, discharge water different switches, general have certain distance apart from tank, and add the process middle water level of discharging water and have fluctuation to be difficult to determine, higher to water level precise requirements in test, cause often needs adjustment repeatedly just can reach requirement, very loaded down with trivial details.Design and the utilization still rarely seen report so far of this respect.
Utility model content
Utility model object: for overcoming prior art deficiency, the utility model purport to add water the control system that discharges water in providing a kind of laboratory sink.
Technical scheme: for solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of laboratory sink adds water the control system that discharges water, and comprises water pressure measuring instrument, single-chip computer control system, adds taps and cock of water drain, described single-chip computer control system respectively with water pressure measuring instrument, add taps and cock of water drain is connected.
Above-mentioned add taps be add water water pump power-on switch; Cock of water drain is the power-on switch of water pump of drawing water.
Operation principle: the utility model laboratory sink adds water the control system that discharges water, single-chip computer control system is located at by tank, be convenient to Artificial Control, tank inner opposite end is provided with wave maker, tank is provided with tank water inlet bottom wave maker one end, sink outlet is provided with bottom the other end, water pressure measuring instrument is placed in the bottom in tank, pressure measured by water pressure measuring instrument, feed back to single-chip computer control system, single-chip computer control system is by calculating, control relay opens or closes and adds taps, control adds water starting mode of pump with stopping controlling to add water in tank, control relay opens or closes cock of water drain, control is drawn water starting mode of pump and stopping, to control the water in tank to discharge.
The above-mentioned water pump that adds water connects water source and power supply, and water inlet pipe delivery port is connected with tank water inlet; The water pump that draws water switches on power, and the end that draws water is connected with sink outlet, and the pumping line delivery port that draws water leads to groundwater reservoir.
Preferably, described single-chip computer control system comprises single-chip microcomputer, a/d converter, relay and liquid crystal display; The described taps that adds is connected with relay, single-chip microcomputer respectively in turn with cock of water drain; Water pressure measuring instrument is connected in turn with a/d converter, single-chip microcomputer; Liquid crystal display is connected with single-chip microcomputer.
Above-mentioned laboratory sink adds water the application of control system of discharging water, and comprises the following steps:
1), test before, pressure-measuring device is placed in the bottom in tank;
2), will add water pump outlet connection water channel water inlet, and the end that draws water of the water pump that draws water is connected with sink outlet, and be placed in by single-chip computer control system by tank, add taps and be connected with the water pump that adds water, cock of water drain is connected with the water pump that draws water; The switch control rule that adds water is intake, and cock of water drain controls draining;
3), at the water level h that single-chip computer control system input test needs
0;
4), on-test, open and add taps, start to add water, water pressure measuring instrument is surveyed a force value every 0.02s and is passed to a/d converter, the pressure at water pressure measuring instrument place:
p＝ρgh (1)
ρ is the density of water, and g is acceleration of gravity, and h is water level herein, obtains water level herein thus;
5), water pressure measuring instrument exports analog quantity, analog quantity is accessed a/d converter by dividing potential drop, and then single-chip microcomputer receives the digital quantity that a/d converter obtains, and single-chip computer control system through type (1) calculates, draw the water level in each moment, and shown by liquid crystal display;
6), the mean value of nearest 50 depth of waters is obtained in single-chip microcomputer,
If | h
flat-h
0| during≤0.01cm, Single-chip Controlling cut-off adds taps, completes and adds water; In formula: h
ifor the water level in each moment, h
flatfor the mean value of nearest 50 depth of waters, h
0for the water level that test needs, i is the number of times measured;
After completing above-mentioned steps, when carrying out next group lower test of water level, the water level h' that first input test needs
0, Single-chip Controlling relay is opened cock of water drain and is started to discharge water, and discharges water in process, and the acquisition of water level test data is identical with the acquisition of test data in the process of adding water; Water level reaches | h
flat-h'
0| cut-off cock of water drain during≤0.01cm, completes and discharges water.
The NM technology of the utility model is prior art.
Beneficial effect: the utility model laboratory sink adds water and discharges water Control system architecture simply, and with low cost, can be suitable for the experimental tank of Ge Suo colleges and universities, tank is added water and discharges water and can be undertaken by single-chip computer control system, does not need testing crew to walk up and down; Water pressure can be converted to the depth of water, adopt the method that repetitive measurement is averaged, can meet test requirements document, water level precision also improves a lot than visually observing.
Accompanying drawing explanation
Fig. 1 is that the utility model laboratory sink adds water the structural representation of control system of discharging water;
Fig. 2 is that the utility model laboratory sink adds water the control system using state schematic diagram that discharges water;
Fig. 3 is that the utility model laboratory sink adds water the workflow diagram of control system of discharging water;
In figure, 1 being water pressure measuring instrument, 2 being cock of water drain for adding taps, 3,4 be single-chip microcomputer, 5 be a/d converter, 6 be liquid crystal display, 7 be the water pump that adds water, 9 be the water pump that draws water, 10 be wave maker, 11 be tank, 12 be tank water inlet for relay, 8.13 is sink outlet.
Detailed description of the invention
In order to understand the utility model better, illustrate content of the present utility model further below in conjunction with embodiment, but content of the present utility model is not only confined to the following examples.
Embodiment 1
As shown in Figure 1-2, a kind of laboratory sink adds water the control system that discharges water, comprise water pressure measuring instrument 1, single-chip microcomputer 4 control system, add taps 2 and cock of water drain 3, single-chip microcomputer 4 control system respectively with water pressure measuring instrument 1, add taps 2 and cock of water drain 3 is connected; Single-chip microcomputer 4 control system comprises single-chip microcomputer 4, a/d converter 5, relay 7 and liquid crystal display 6; Add taps 2 to be connected in turn with relay 7, single-chip microcomputer 4 respectively with cock of water drain 3; Water pressure measuring instrument 1 is connected in turn with a/d converter 5, single-chip microcomputer 4; Liquid crystal display 6 is connected with single-chip microcomputer 4.
During use, it is other that single-chip computer control system is located at tank 11, be convenient to Artificial Control, tank 11 inner opposite end is provided with wave maker 10, tank 11 is provided with tank water inlet 12 bottom wave maker 10 one end, sink outlet 13 is provided with bottom the other end, water pressure measuring instrument 1 is placed in the bottom in tank 11, pressure measured by water pressure measuring instrument 1, feed back to single-chip computer control system, single-chip computer control system is by calculating, control relay 7 opens or closes and adds taps 2, control add water water pump 8 start and stop with control add water in tank 11, control relay 7 opens or closes cock of water drain 3, the control water pump 9 that draws water starts and stops, to control the water in tank 11 to discharge.
Above-mentioned laboratory sink adds water the application of control system of discharging water, and comprises the following steps:
1), test before, pressure-measuring device is placed in the bottom in tank;
2), will add water water pump 8 delivery port connection water channel water inlet 12, and the end that draws water of the water pump 9 that draws water is connected with sink outlet 13, and be placed in by tank by single-chip microcomputer 4 control system, add taps 2 and be connected with the water pump 8 that adds water, cock of water drain 3 is connected with the water pump 9 that draws water; Add taps 2 and control water inlet, cock of water drain 3 controls draining;
3), at the water level h that single-chip microcomputer 4 control system input test needs
0;
4), on-test, open and add taps 2, start to add water, water pressure measuring instrument 1 is surveyed a force value every 0.02s and is passed to a/d converter 5, the pressure at water pressure measuring instrument 1 place:
p＝ρgh (1)
ρ is the density of water, and g is acceleration of gravity, and h is water level herein, obtains water level herein thus;
5), water pressure measuring instrument 1 exports analog quantity, and by analog quantity by dividing potential drop access a/d converter 5, single-chip microcomputer 4 control system through type (1) calculates, and draws the water level in each moment, and is shown by liquid crystal display 6;
6), the mean value of nearest 50 depth of waters is obtained in single-chip microcomputer 4,
If | h
flat-h
0| during≤0.01cm, single-chip microcomputer 4 control relay 7 cuts out and adds taps 2, completes and adds water; In formula: h
ifor the water level in each moment, h
flatfor the mean value of nearest 50 depth of waters, h
0for the water level that test needs, i is the number of times measured;
After completing above-mentioned steps, when carrying out next group lower test of water level, the water level h' that first input test needs
0, single-chip microcomputer 4 control relay 7 is opened cock of water drain 3 and is started to discharge water, and discharges water in process, and the acquisition of water level test data is identical with the acquisition of test data in the process of adding water; Water level reaches | h
flat-h'
0| during≤0.01cm, relay 7 cuts out cock of water drain 3, completes and discharges water.
Claims (2)
1. a laboratory sink adds water the control system that discharges water, it is characterized in that: comprise water pressure measuring instrument (1), single-chip computer control system, add taps (2) and cock of water drain (3), described single-chip computer control system respectively with water pressure measuring instrument, add taps (2) and cock of water drain (3) is connected.
2. laboratory sink as claimed in claim 1 adds water the control system that discharges water, and it is characterized in that: described single-chip computer control system comprises single-chip microcomputer (4), a/d converter (5), relay (7) and liquid crystal display (6); The described taps (2) that adds is connected with relay (7), single-chip microcomputer (4) respectively in turn with cock of water drain (3); Water pressure measuring instrument (1) is connected in turn with a/d converter (5), single-chip microcomputer (4); Liquid crystal display (6) is connected with single-chip microcomputer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420763615.5U CN204302815U (en) | 2014-12-08 | 2014-12-08 | A kind of laboratory sink adds water the control system that discharges water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420763615.5U CN204302815U (en) | 2014-12-08 | 2014-12-08 | A kind of laboratory sink adds water the control system that discharges water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204302815U true CN204302815U (en) | 2015-04-29 |
Family
ID=53108345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420763615.5U Expired - Fee Related CN204302815U (en) | 2014-12-08 | 2014-12-08 | A kind of laboratory sink adds water the control system that discharges water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204302815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104571160A (en) * | 2014-12-08 | 2015-04-29 | 河海大学 | Laboratory-flume water feeding and draining control system and application thereof |
-
2014
- 2014-12-08 CN CN201420763615.5U patent/CN204302815U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104571160A (en) * | 2014-12-08 | 2015-04-29 | 河海大学 | Laboratory-flume water feeding and draining control system and application thereof |
| CN104571160B (en) * | 2014-12-08 | 2017-08-15 | 河海大学 | A kind of laboratory sink adds water control system and its application of discharging water |
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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 |
Granted publication date: 20150429 Termination date: 20171208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |