CN203552103U - PLC (programmable logic controller) based water tower and solar water heater integrated controller - Google Patents
PLC (programmable logic controller) based water tower and solar water heater integrated controller Download PDFInfo
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- CN203552103U CN203552103U CN201320681926.2U CN201320681926U CN203552103U CN 203552103 U CN203552103 U CN 203552103U CN 201320681926 U CN201320681926 U CN 201320681926U CN 203552103 U CN203552103 U CN 203552103U
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Abstract
The utility model discloses a PLC (programmable logic controller) based water tower and solar water heater integrated controller, which comprises a water tower, a water source, a solar heater and a water pump, wherein a water outlet of the water tower is connected with a water inlet of the solar water heater through a first pipeline, a water inlet of the water tower is communicated with a water outlet of the water pump through a second pipeline, a water inlet of the water pump is communicated with the water source, and the first pipeline is provided with a first electromagnetic valve. The PLC based water tower and solar water heater integrated controller further comprises a PLC industrial control board, a temperature sensor, a liquid level sensor and a float switch arranged in the water tower, wherein the input end of the PLC industrial control board is connected with the output end of the temperature sensor, the output end of the liquid level sensor and the output end of the float switch, and the output end of the PLC industrial control board is connected with a control end of the first electromagnetic valve and a relay of the water pump. The PLC based water tower and solar water heater integrated controller can complete automatic control for the water tower and the solar water heater through a single controller.
Description
Technical field
The utility model relates to a kind of integrated controller, is specifically related to a kind of water tower and solar water heater integration controller based on PLC.
Background technology
Along with the raising of people's living standard, the increasing home-use solar water heater of having gone up has the place of water service in city, and on solar water heater, water is mainly controlled automatically by artificial or sun power temperature, water level controller; But in suburb or suburbs and counties under the jurisdiction of a large city there is no the place of water service, the high-order water tower of being settled voluntarily by every household is often gone up water, the upper water of water tower need to manually be opened submersible pump and draw water, on solar water heater, water is also to rely on manually to open water supply valve and carry out, want to realize the automatic control of water tower, sun power water level, need to be realized by two cover controllers, this has increased user's financial burden virtually.And between solar water heater and water tower, there is certain linkage relationship, if purely rely on two cover system controls of manual control or separation, likely can cause solar water heater fault occurred frequently.
Utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, and a kind of water tower and solar water heater integration controller based on PLC is provided, and this controller can complete the automatic control to water tower and solar water heater by single controller.
For achieving the above object, water tower and solar water heater integration controller based on PLC described in the utility model, comprise water tower, water source, solar water heater and water pump, the water delivering orifice of water tower is connected by the first pipeline with the water inlet of solar water heater, the water inlet of water tower is connected by second pipe with the water delivering orifice of water pump, the water inlet of water pump is connected with water source, the first pipeline is provided with the first solenoid valve, it is characterized in that, also comprise PLC industrial control board, for detecting in real time the temperature sensor of the temperature of water in solar water heater, for detecting in real time the liquid level sensor of surplus water in solar water heater, and be arranged at the float switch in water tower,
The input end of described PLC industrial control board is connected with output terminal, the output terminal of liquid level sensor and the output terminal of float switch of temperature sensor respectively, and the output terminal of PLC industrial control board is connected with the control end of the first solenoid valve and the relay of water pump respectively.
The output terminal of described PLC industrial control board is also connected with the display for showing surplus water and water temperature in surplus water in water tower, solar water heater.
The output terminal of described temperature sensor and the output terminal of liquid level sensor are connected by NE555 change-over circuit with the input end of PLC industrial control board.
In described temperature sensor, be provided with a N T C thermistor;
In described liquid level sensor, be provided with the 2nd N T C thermistor.
Described NE555 change-over circuit comprises the first power supply, second source, a NE555 chip, the 2nd NE555 chip, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, TLP521-4 chip;
Described the first power supply is connected with one end of 4 pin, 8 pin and first resistance of a NE555 chip, 7 pin of the one NE555 chip are connected with the other end of the first resistance and one end of a N T C thermistor respectively, the equal ground connection of the other end of 1 pin, 2 pin, 5 pin and 6 pin of the one NE555 chip and a N T C thermistor, 3 pin of a NE555 chip are connected with 1 pin of TLP521-4 chip by the second resistance;
Described second source is connected with one end of the 5th resistance, 4 pin and 8 pin of the 2nd NE555 chip, 7 pin of the 2nd NE555 chip are connected with one end of the other end of the 5th resistance R 5 and the 2nd N T C thermistor, 1 pin, 2 pin, 5 pin and the equal ground connection of 6 pin of the other end of the 2nd N T C thermistor, 2 pin of TLP521-4 chip and 4 pin, the 2nd NE555 chip, 3 pin of the 2nd NE555 chip are connected with 3 pin of TLP521-4 chip by the 6th resistance;
13 pin of described TLP521-4 and 15 pin ground connection, 16 pin of TLP521-4 chip are connected with the input end of PLC industrial control board by the 4th resistance, and 14 pin of TLP521-4 chip are connected with the input end of PLC industrial control board by the 3rd resistance.
Multiple metallic conduction electrodes for obtaining surplus water in solar water heater are installed in described liquid level sensor.
The input end of described P L C industrial control board is also connected with for the manual control button of the relay by manual control the first solenoid valve and water pump, auxiliary hot button, accompanies hot button, reset key and the temperature regulating key for the water temperature of manual adjustments solar water heater water outlet;
The output terminal of described P L C industrial control board and the auxiliary electrothermal relay of solar water heater, companion's electrothermal relay, for controlling the hot-water switch of solar water heater water outlet and the mixed water valve relay of cold water switch and the alarm lamp of alarm signal occurring when being less than pre-set threshold value unexpected heating when the surplus water in solar water heater.
The utlity model has following beneficial effect:
Water tower and solar water heater integration controller based on PLC described in the utility model comprises PLC industrial control board, for detecting in real time the temperature sensor of the temperature of water in solar water heater, for detecting in real time the liquid level sensor of surplus water in solar water heater, and be arranged at the float switch in water tower, by the real-time water capacity information in water tower of obtaining of described float switch, and by described water capacity input information in PLC industrial control board, the high-low water level that described PLC industrial control board can detect according to float switch regulates the capacity of water in water tower by controlling water pump, by liquid level sensor and temperature sensor, carry out the real-time temperature of water and the information of surplus water in solar water heater obtained simultaneously, and the information of the temperature of water in solar water heater and surplus water is forwarded in PLC industrial control board, PLC industrial control board can be crossed the first solenoid valve and regulate according to the information exchange of the temperature of water in solar water heater and surplus water temperature and the water yield of water in solar water heater, thereby realize water tower, the automatic control of water pump and solar water heater.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of NE555 change-over circuit 3 in the utility model.
Wherein, 1 for temperature sensor, 2 for liquid level sensor, 3 for NE555 change-over circuit, 4 for float switch, 5 for manually control button, 6 be auxiliary hot button, 7 for the hot button of companion, 8 for reset key, 9 for temperature regulating key, 10 for PLC industrial control board, 11 be the first solenoid valve, 12 relays that are water pump, 13 for companion's electrothermal relay, 14 be auxiliary electrothermal relay, 15 for mixed water valve relay, 16 for alarm lamp, 17 be display.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to figure 1 and Fig. 2, water tower and solar water heater integration controller based on PLC described in the utility model, comprise water tower, water source, solar water heater and water pump, the water delivering orifice of water tower is connected by the first pipeline with the water inlet of solar water heater, the water inlet of water tower is connected by second pipe with the water delivering orifice of water pump, the water inlet of water pump is connected with water source, the first pipeline is provided with the first solenoid valve 11, it is characterized in that, also comprise PLC industrial control board 10, for detecting in real time the temperature sensor 1 of the temperature of water in solar water heater, for detecting in real time the liquid level sensor 2 of surplus water in solar water heater, and be arranged at the float switch 4 in water tower, multiple metallic conduction electrodes for obtaining surplus water in solar water heater are installed in described liquid level sensor 2.
The input end of described PLC industrial control board 10 is connected with output terminal, the output terminal of liquid level sensor 2 and the output terminal of float switch 4 of temperature sensor 1 respectively, and the output terminal of PLC industrial control board 10 is connected with first control end of solenoid valve 11 and the relay of water pump 12 respectively.
The output terminal of the output terminal of described temperature sensor 1 and liquid level sensor 2 is connected by NE555 change-over circuit 3 with the input end of PLC industrial control board 10, is provided with a N T C thermistor R in described temperature sensor 1
t1, in described liquid level sensor 2, be provided with the 2nd N T C thermistor R
t2, described NE555 change-over circuit 3 comprises the first power supply VCC1, second source VCC2, a NE555 chip, the 2nd NE555 chip, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, TLP521-4 chip; Described the first power supply VCC1 is connected with one end of 4 pin, 8 pin and first resistance R 1 of a NE555 chip, 7 pin of a NE555 chip respectively with the other end and a N T C thermistor R of the first resistance R 1
tone end of 1 is connected, 1 pin, 2 pin, 5 pin and 6 pin of a NE555 chip and a N T C thermistor R
t1 the equal ground connection of the other end, 3 pin of a NE555 chip are connected with 1 pin of TLP521-4 chip by the second resistance R 2; Second source VCC2 is connected with one end of the 5th resistance R 5,4 pin and 8 pin of the 2nd NE555 chip, 7 pin of the 2nd NE555 chip and the other end of the 5th resistance R 5 and the 2nd N T C thermistor R
tone end of 2 is connected, the 2nd N T C thermistor R
t1 pin, 2 pin, 5 pin and the equal ground connection of 6 pin of 2 the other end, 2 pin of TLP521-4 chip and 4 pin, the 2nd NE555 chip, 3 pin of the 2nd NE555 chip are connected with 3 pin of TLP521-4 chip by the 6th resistance R 6; 13 pin of described TLP521-4 and 15 pin ground connection, 16 pin of TLP521-4 chip are connected with the input end of PLC industrial control board 10 by the 4th resistance R 4, and 14 pin of TLP521-4 chip are connected with the input end of PLC industrial control board 10 by the 3rd resistance R 3.
The output terminal of described PLC industrial control board 10 is also connected with the display 17 for showing surplus water and water temperature in surplus water in water tower, solar water heater.The input end of described P L C industrial control board 10 is also connected with for the manual control button 5 of the relay 12 by manual control the first solenoid valve 11 and water pump, auxiliary hot button 6, accompanies hot button 7, reset key 8 and the temperature regulating key 9 for the water temperature of manual adjustments solar water heater water outlet; The output terminal of described P L C industrial control board 10 and the auxiliary electrothermal relay 14 of solar water heater, companion's electrothermal relay 13, for controlling the hot-water switch of solar water heater water outlet and the mixed water valve relay 15 of cold water switch and the alarm lamp 16 of alarm signal occurring when being less than pre-set threshold value unexpected heating when the surplus water in solar water heater.
Temperature sensor 1 in solar water heater and liquid level sensor 2 detect water level and the temperature of solar water heater water tank in real time, in described temperature sensor 1 and liquid level sensor 2, be respectively equipped with a N T C thermistor and the 2nd N T C thermistor, thereby can detect the temperature signal in the water tank of solar water heater by temperature sensor 1, described temperature signal is analog quantity, the temperature signal of described analog quantity is converted into the frequency signal of temperature by 555 change-over circuits, and the frequency signal of described temperature is input in PLC industrial control board 10, PLC industrial control board 10 receives the frequency signal of described temperature, and show described temperature signal by display 17, user can check the water temperature in current solar water heater by described display 17, multiple metallic conduction electrodes are installed in the liquid level sensor 2 in solar water heater, two metal electrode waters short circuit signal that has a resistance, and convert frequency signal to by 555 change-over circuits, again the frequency signal of described surplus water is input in P L C industrial control board 10, and then show the surplus water in current solar water heater by display 17, described liquid level sensor 2 is digital sensors at intermittence, 25% of the interior water of solar water heater can be detected, 50%, 75%, with 100% height of water level, simultaneously P L C industrial control board 10 according to water level height and daytime solar radiation plenty of time control the first solenoid valve 11, thereby realize the automatic control to surplus water in solar water heater and water temperature, float switch 4 in water tower detects the water yield information in water tower in real time, and described water yield information is forwarded in P L C industrial control board 10, the relay 12 that the high-low water level that described P L C industrial control board 10 can detect according to float switch is controlled water pump is water tower water-feeding, thereby complete the automatic control to water in water tower, by display 17, show the water yield that remains water in water tower simultaneously.
Claims (7)
1. water tower and the solar water heater integration controller based on PLC, comprise water tower, water source, solar water heater and water pump, the water delivering orifice of water tower is connected by the first pipeline with the water inlet of solar water heater, the water inlet of water tower is connected by second pipe with the water delivering orifice of water pump, the water inlet of water pump is connected with water source, the first pipeline is provided with the first solenoid valve (11), it is characterized in that, also comprise PLC industrial control board (10), for detecting in real time the temperature sensor (1) of the temperature of water in solar water heater, for detecting in real time the liquid level sensor (2) of surplus water in solar water heater, and be arranged at the float switch (4) in water tower,
The input end of described PLC industrial control board (10) is connected with output terminal, the output terminal of liquid level sensor (2) and the output terminal of float switch (4) of temperature sensor (1) respectively, and the output terminal of PLC industrial control board (10) is connected with the control end of the first solenoid valve (11) and the relay (12) of water pump respectively.
2. water tower and the solar water heater integration controller based on PLC according to claim 1, it is characterized in that, the output terminal of described PLC industrial control board (10) is also connected with the display (17) for showing surplus water and water temperature in surplus water in water tower, solar water heater.
3. water tower and the solar water heater integration controller based on PLC according to claim 1, it is characterized in that, the output terminal of the output terminal of described temperature sensor (1) and liquid level sensor (2) is connected by NE555 change-over circuit (3) with the input end of PLC control plate (10).
4. water tower and the solar water heater integration controller based on PLC according to claim 3, is characterized in that,
In described temperature sensor (1), be provided with a NTC thermistor R
t1;
In described liquid level sensor (2), be provided with the 2nd NTC thermistor R
t2.
5. water tower and the solar water heater integration controller based on PLC according to claim 4, it is characterized in that, described NE555 change-over circuit (3) comprises the first power supply VCC1, second source VCC2, a NE555 chip, the 2nd NE555 chip, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6 and TLP521-4 chip;
Described the first power supply VCC1 is connected with one end of 4 pin, 8 pin and first resistance R 1 of a NE555 chip, 7 pin of a NE555 chip respectively with the other end and a N T C thermistor R of the first resistance R 1
tone end of 1 is connected, 1 pin, 2 pin, 5 pin and 6 pin of a NE555 chip and a N T C thermistor R
t1 the equal ground connection of the other end, 3 pin of a NE555 chip are connected with 1 pin of TLP521-4 chip by the second resistance R 2;
Described second source VCC2 is connected with one end of the 5th resistance R 5,4 pin and 8 pin of the 2nd NE555 chip, 7 pin of the 2nd NE555 chip and the other end of the 5th resistance R 5 and the 2nd N T C thermistor R
tone end of 2 is connected, the 2nd N T C thermistor R
t1 pin, 2 pin, 5 pin and the equal ground connection of 6 pin of 2 the other end, 2 pin of TLP521-4 chip and 4 pin, the 2nd NE555 chip, 3 pin of the 2nd NE555 chip are connected with 3 pin of TLP521-4 chip by the 6th resistance R 6;
13 pin of described TLP521-4 and 15 pin ground connection, 16 pin of TLP521-4 chip are connected with the input end of PLC industrial control board (10) by the 4th resistance R 4, and 14 pin of TLP521-4 chip are connected with the input end of PLC industrial control board (10) by the 3rd resistance R 3.
6. water tower and the solar water heater integration controller based on PLC according to claim 1, is characterized in that, the multiple metallic conduction electrodes for obtaining surplus water in solar water heater are installed in described liquid level sensor (2).
7. water tower and the solar water heater integration controller based on P L C according to claim 1, is characterized in that,
The input end of described P L C industrial control board (10) is also connected with for manual control button (5), auxiliary hot button (6) by manually controlling the relay (12) of the first solenoid valve (11) and water pump, accompanies hot button (7), reset key (8) and the temperature regulating key (9) for the water temperature of manual adjustments solar water heater water outlet;
The auxiliary electrothermal relay (14) of the output terminal of described P L C industrial control board (10) and solar water heater, companion's electrothermal relay (13), for controlling the hot-water switch of solar water heater water outlet and the mixed water valve relay (15) of cold water switch and the alarm lamp (16) of alarm signal occurring when being less than pre-set threshold value unexpected heating when the surplus water in solar water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681926.2U CN203552103U (en) | 2013-10-30 | 2013-10-30 | PLC (programmable logic controller) based water tower and solar water heater integrated controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681926.2U CN203552103U (en) | 2013-10-30 | 2013-10-30 | PLC (programmable logic controller) based water tower and solar water heater integrated controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552103U true CN203552103U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320681926.2U Expired - Fee Related CN203552103U (en) | 2013-10-30 | 2013-10-30 | PLC (programmable logic controller) based water tower and solar water heater integrated controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203552103U (en) |
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2013
- 2013-10-30 CN CN201320681926.2U patent/CN203552103U/en not_active Expired - Fee Related
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| 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: 20140416 Termination date: 20141030 |
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| EXPY | Termination of patent right or utility model |