CN211653512U - Novel control circuit of towerless water supply system - Google Patents
Novel control circuit of towerless water supply system Download PDFInfo
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- CN211653512U CN211653512U CN202020586041.4U CN202020586041U CN211653512U CN 211653512 U CN211653512 U CN 211653512U CN 202020586041 U CN202020586041 U CN 202020586041U CN 211653512 U CN211653512 U CN 211653512U
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Abstract
The utility model belongs to the technical field of building water supply, a novel tower-free water supply system control circuit is proposed, including the automatic control return circuit, including switch one, terminal A and terminal B, the one end of switch one is used for being connected with control power's terminal one, and the other end of switch one switches between terminal A, terminal B and unsettled state, high liquid level relay, including coil two and normally closed contact two, the one end and the terminal A of coil two are connected, low liquid level relay, including coil three and normally open contact three, the one end and the terminal B of coil three are connected, time relay, including coil four and normally open contact four, normally open contact four is parallelly connected with terminal A. Through above-mentioned technical scheme, the problem that no tower water supply system needs frequent maintenance among the prior art has been solved.
Description
Technical Field
The utility model belongs to the technical field of building water supply, a novel towerless water supply system control circuit is related to.
Background
With the development of science and technology, the towerless water supply system gradually replaces a high water tower and a high-rise water tank to become one of the water supply systems with wide application. At present, the phenomenon that a water supply pipeline runs out, drips and leaks is often met in actual operation of a tower-free water supply system, the pipeline is required to be maintained frequently, especially buried, the maintenance is time-consuming and labor-consuming, and much financial resources and manpower are wasted.
Disclosure of Invention
The utility model provides a novel no tower water supply system control circuit has solved the problem that no tower water supply system needs frequent maintenance among the prior art.
The technical scheme of the utility model is realized like this: comprises that
A main loop;
the main contactor comprises a coil I, a normally open contact I A and a normally open contact I B, the normally open contact I A is connected into the main circuit, one end of the normally open contact I A is used for being connected with the water pump, and the other end of the normally open contact I A is used for being connected with a main power supply;
an automatic control loop comprising
The pressure measuring instrument comprises a switch I, a terminal A and a terminal B,
one end of the first switch is used for being connected with a first terminal of a control power supply, the other end of the first switch is switched among the terminal A, the terminal B and a suspension state,
the high liquid level relay comprises a second coil and a second normally closed contact, one end of the second coil is connected with the terminal A, the other end of the second coil is used for being connected with a second terminal of the control power supply,
the low liquid level relay comprises a coil III and a normally open contact III, one end of the coil III is connected with the terminal B, the other end of the coil III is used for being connected with a terminal II of a control power supply,
the time relay comprises a coil IV and a normally open contact IV, one end of the normally open contact IV is connected with a terminal I of a control power supply, the other end of the normally open contact IV is connected with the terminal A,
the normally closed contact II, the normally open contact III and the coil I are sequentially connected, one end of the normally closed contact II is used for being connected with the terminal I of the control power supply, one end of the coil I is used for being connected with the terminal II of the control power supply,
the first normally open contact B is connected with the third normally open contact in parallel, and the fourth coil is connected with the first coil in parallel.
Further, the pressure measuring instrument further comprises a manual control circuit, the main contactor further comprises a normally open contact C, the pressure measuring instrument further comprises a display panel,
the first switch is connected with the first terminal of the control power supply through a manual/automatic change-over switch, and the manual control circuit comprises
A stop button connected with the other end of the manual/automatic change-over switch connected with the control power supply,
a start button, one end of which is connected with one end of the stop button far away from the manual/automatic change-over switch, the other end of which is connected with the first coil,
the normally open contact C is connected with the starting button in parallel.
Further, the device also comprises a water pump protector, comprising
A coil V, the water pump is connected with the main contactor through the coil V,
and the coil I and the terminal II of the control power supply are connected through the normally closed contact five.
Further, still include running state indicating circuit, main contactor still includes normally open contact D, normally open contact D inserts running state indicating circuit, the one end of normally open contact D is used for being connected with control power supply's terminal one, and the other end is connected with the operation pilot lamp, the operation pilot lamp still is connected with control power supply's terminal two.
Further, still include the stop state indicating circuit, main contactor still includes normally closed contact one, normally closed contact one inserts stop state indicating circuit, the one end of normally closed contact one be used for being connected with control power supply's terminal one, the other end with stop the pilot lamp and be connected, stop the pilot lamp still to be connected with control power supply's terminal two.
The utility model discloses a theory of operation and beneficial effect do:
1. the utility model discloses well pressure measurement instrument is used for the water level pressure in the real-time detection water tank, when the water level pressure in the water tank reaches the minimum limit of settlement, switch one contacts with terminal B, and coil three is electrified, and normally open contact three is closed, and control power supply supplies power for coil one through normally closed contact two and normally open contact three, and normally open contact A is closed, and the water pump begins work, supplies water to the water tank; meanwhile, the time relay starts to work, and the four normally open contacts start to time; when the water level pressure in the water tank reaches a set maximum value, the first switch is in contact with the terminal A, or after the fourth normally open contact of the time relay reaches a set time, the fourth normally open contact is closed, the second coil is electrified, the second normally closed contact is disconnected, the first coil is powered off, the water pump stops working, and water supply of the water tank is stopped.
When the water level pressure in the water tank is reduced to the lowest limit value, the first switch is in contact with the terminal B, the third coil is electrified, the third normally open contact is closed, the control power supply supplies power to the first coil through the second normally closed contact and the third normally open contact, the first normally open contact A is closed, the water pump starts to work, and water is supplied to the water tank again. The water tank runs repeatedly, and automatic water supply of the water tank is realized.
In the actual water supply process, the phenomenon that the water supply pipeline runs and leaks always can appear, and a large amount of experimental studies of the inventor show that the reason that the water supply pipeline runs and leaks is that pressure measurement instrument frequently starts to lead to switch one and terminal B contact failure, control circuit to be out of order occasionally, cause the water pump to operate always, water level pressure in the water tank exceeds the water supply pipeline limit, leads to the pipeline to break and leak water. The utility model discloses well time relay's setting, when water level pressure reachs the highest limit of settlement or time relay reachs the settlement time in the water tank, coil two all can be got electric for two disconnection of normally closed contact, the first electricity that loses of coil, water pump stop to supply water. The delay time of the time relay is set according to the water tank capacity of the field towerless water supply system or the running time of the water pump from the low liquid level to the high liquid level.
Time relay and pressure measurement instrument cooperation are used, have constituted the double insurance of water pump shut down attitude, avoid supply channel pressure too big to avoid supply channel to break, need not frequent maintenance, saved manpower and materials.
2. For avoiding automatic control circuit failure, the utility model discloses still set up manual control circuit, can switch to the manual control mode through manual/automatic switch over, automatic control circuit is invalid this moment.
The manual control process is as follows: the current water level pressure in the water tank is obtained by checking a display panel of the pressure measuring instrument, when the water level pressure in the water tank reaches a set minimum limit, a starting button is pressed, a first coil is electrified, a first normally open contact A is closed, the water pump starts to work, water is supplied to the water tank, and meanwhile, a first normally open contact C is closed, so that the self-locking of the main contactor is realized; when the water level pressure in the water tank reaches the set maximum limit, the stop button is pressed, the coil I is powered off, the normally open contact I is disconnected, the water pump stops working, and water is not supplied to the water tank any more.
3. When the water pump has faults of overheating, short circuit, phase failure and the like, the normally closed contact five of the water pump protector is disconnected, the coil I is powered off, the normally open contact A is disconnected, and the water pump stops working, so that the water pump is well protected.
4. The utility model discloses in still be provided with running state indicating circuit, be convenient for be used for audio-visual understanding water supply system's behavior. When the coil I is electrified, the normally open contact A is closed, the water pump starts to work, the water supply tank supplies water, the normally open contact D is closed, and the operation indicator lamp is turned on to indicate that the water pump is in an operation state at present.
When the first coil is powered off, the first normally open contact A is disconnected, the water pump stops working, water is not supplied to the water tank any more, meanwhile, the first normally open contact D is disconnected, and the operation indicator lamp is turned off to indicate that the water pump is not in an operation state currently.
The utility model discloses well running indicator and water pump running state synchronous change play the indicative function to water pump behavior.
5. The utility model discloses in still be provided with the stop state indicating circuit, be convenient for be used for audio-visual understanding water supply system's behavior. When the coil I is electrified, the normally open contact A is closed, the water pump starts to work, the water supply tank supplies water, meanwhile, the normally closed contact A is disconnected, the stop indicator light is turned off, and the current water pump is indicated to be not in a stop state.
When the first coil is powered off, the first normally open contact A is disconnected, the water pump stops working, water is not supplied to the water tank any more, meanwhile, the first normally closed contact is closed, and the stop indicator lamp is turned on to indicate that the water pump is in a stop state at present.
The utility model discloses well stop indicator and water pump stall state synchronous variation play the indicative function to water pump behavior.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic diagram of the main circuit of the present invention;
FIG. 2 is a schematic diagram of the automatic control circuit and the manual control circuit of the present invention;
in the figure: 1-a water pump, wherein the water pump is connected with a water pump,
2-main loop, 211-coil one, 212-normally open contact one a, 213-normally open contact one B, 214-normally open contact one C, 215-normally open contact one D, 216-normally closed contact one, 221-coil five, 222-normally closed contact five,
3-a main power supply for supplying power to the mobile phone,
4-automatic control circuit, 41-pressure measuring instrument, 411-switch I, 412-terminal A, 413-terminal B, 421-coil II, 422-normally closed contact II, 431-coil III, 432-normally open contact III, 441-coil IV, 442-normally open contact IV,
5-control power supply, 51-terminal one, 52-terminal two,
6-manual control circuit, 61-stop button, 62-start button,
7-a manual/automatic change-over switch,
8-running status indicating circuit, 81-running indicator lamp,
9-stop status indicator circuit, 91-stop indicator light.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, comprises
A main circuit 2;
the main contactor comprises a coil I211, a normally open contact I A212 and a normally open contact I B213, the normally open contact I A212 is connected to the main circuit 2, one end of the normally open contact I A212 is used for being connected with the water pump 1, and the other end of the normally open contact I A212 is used for being connected with the main power supply 3;
an automatic control circuit 4 comprising
The pressure measuring instrument 41 comprises a switch I411, a terminal A412 and a terminal B413,
one end of the first switch 411 is used for connecting with the first terminal 51 of the control power supply 5, the other end of the first switch 411 is switched between the terminal A412, the terminal B413 and a floating state,
the high liquid level relay comprises a second coil 421 and a second normally closed contact 422, one end of the second coil 421 is connected with the terminal A412, the other end of the second coil 421 is used for being connected with a second terminal 52 of the control power supply 5,
the low liquid level relay comprises a coil three 431 and a normally open contact three 432, one end of the coil three 431 is connected with a terminal B413, the other end of the coil three 431 is used for being connected with a terminal two 52 of the control power supply 5,
the time relay comprises a coil four 441 and a normally open contact four 442, one end of the normally open contact four 442 is connected with the terminal one 51 of the control power supply 5, the other end of the normally open contact four 442 is connected with the terminal A412,
a normally closed contact II 422, a normally open contact III 432 and a coil I211 are sequentially connected, one end of the normally closed contact II 422 is used for being connected with a terminal I51 of the control power supply 5, one end of the coil I211 is used for being connected with a terminal II 52 of the control power supply 5,
the first normally open contact B213 is connected with the third normally open contact 432 in parallel, and the fourth coil 441 is connected with the first coil 211 in parallel.
In the embodiment, the pressure measuring instrument 41 is used for detecting the water level pressure in the water tank in real time, when the water level pressure in the water tank reaches a set minimum limit, the first switch 411 is in contact with the terminal B413, the third coil 431 is electrified, the third normally open contact 432 is closed, the control power supply 5 supplies power to the first coil 211 through the second normally closed contact 422 and the third normally open contact 432, the first normally open contact A212 is closed, the water pump 1 starts to work, and water is supplied to the water tank; meanwhile, the time relay starts to work, and the normally open contact IV 442 starts to time; when the water level pressure in the water tank reaches a set maximum value, the first switch 411 is in contact with the terminal A412, or after the fourth normally open contact 442 of the time relay reaches a set time, the fourth normally open contact 442 is closed, so that the second coil 421 is electrified, the second normally closed contact 422 is disconnected, the first coil 211 is powered off, the water pump 1 stops working, and water supply to the water tank is stopped.
When the water level pressure in the water tank is reduced to the lowest limit value, the first switch 411 is in contact with the terminal B413, the third coil 431 is electrified, the third normally-open contact 432 is closed, the control power supply 5 supplies power to the first coil 211 through the second normally-closed contact 422 and the third normally-open contact 432, the first normally-open contact A212 is closed, the water pump 1 starts to work, and water is supplied to the water tank again. The water tank runs repeatedly, and automatic water supply of the water tank is realized.
In the actual water supply process, the phenomenon of water supply pipeline running and leaking always occurs, and a large number of experimental researches of the inventor show that the reason of the water supply pipeline running and leaking is that the pressure measuring instrument 41 is frequently started, so that the first switch 411 and the terminal B413 are in poor contact, the control circuit occasionally fails, the water pump 1 is always operated, the water level pressure in the water tank exceeds the limit of the water supply pipeline, and the pipeline is broken and leaks water. In the embodiment, due to the arrangement of the time relay, when the water level pressure in the water tank reaches the set maximum limit or the time relay reaches the set time, the second coil 421 is powered on, so that the second normally-closed contact 422 is disconnected, the first coil 211 is powered off, and the water pump 1 stops supplying water. The delay time of the time relay is set according to the water tank capacity of the field towerless water supply system or the running time of the water pump 1 from the low liquid level to the high liquid level.
The time relay and the pressure measuring instrument 41 are matched for use, so that double insurance of the shutdown state of the water pump 1 is formed, the overlarge pressure of a water supply pipeline is avoided, the water supply pipeline is prevented from being broken, frequent maintenance is not needed, and manpower and material resources are saved.
Further, the manual control circuit 6 is also included, the main contactor also comprises a normally open contact C214, the pressure measuring instrument 41 also comprises a display panel,
the first switch 411 is connected with the first terminal 51 of the control power supply 5 through a manual/automatic change-over switch 7, and a manual control circuit 6 comprises
A stop button 61 connected with the other end of the manual/automatic change-over switch 7 connected with the control power supply 5,
a start button 62, one end of which is connected with one end of the stop button 61 far away from the manual/automatic switch 7, the other end of the start button 62 is connected with a first coil 211,
a normally open contact C214 is connected in parallel with the activation button 62.
In order to avoid failure of the automatic control circuit 4, a manual control circuit 6 is provided in this embodiment, and the manual control mode can be switched by a manual/automatic switch 7, so that the automatic control circuit 4 is disabled.
The manual control process is as follows: the current water level pressure in the water tank is obtained by checking a display panel of the pressure measuring instrument 41, when the water level pressure in the water tank reaches a set minimum limit, the starting button 62 is pressed, the first coil 211 is electrified, the first normally open contact A212 is closed, the water pump 1 starts to work, water is supplied to the water tank, and meanwhile, the first normally open contact C214 is closed, so that the self-locking of the main contactor is realized; when the water level pressure in the water tank reaches the set maximum limit, the stop button 61 is pressed, the first coil 211 is powered off, the first normally open contact A212 is disconnected, the water pump 1 stops working, and water is not supplied to the water tank any more.
The pressure measuring instrument 41 is specifically an electrical contact pressure gauge.
Further, the device also comprises a water pump protector, comprising
The coil five 221, the water pump 1 and the main contactor are connected through the coil five 221,
the normally closed contact five 222, the coil one 211 and the terminal two 52 of the control power supply 5 are connected through the normally closed contact five 222.
When the water pump 1 has faults of overheating, short circuit, phase failure and the like, the normally closed contact five 222 of the water pump protector is disconnected, the coil one 211 is powered off, the normally open contact A212 is disconnected, and the water pump 1 stops working, so that the water pump 1 is well protected.
Further, still include running state indicating circuit 8, main contactor still includes normally open contact D215, and normally open contact D215 inserts running state indicating circuit 8, and normally open contact D215's one end is used for being connected with control power supply 5's terminal 51, and the other end is connected with running indicator 81, and running indicator 81 still is connected with control power supply 5's terminal two 52.
In this embodiment, an operation status indicating circuit 8 is further provided, which is convenient for visually knowing the working condition of the water supply system. When the first coil 211 is electrified, the first normally open contact A212 is closed, the water pump 1 starts to work, water is supplied to the water tank, meanwhile, the first normally open contact D215 is closed, and the operation indicator lamp 81 is turned on to indicate that the water pump 1 is in an operation state at present.
When the first coil 211 is powered off, the first normally open contact A212 is disconnected, the water pump 1 stops working, water is not supplied to the water tank any more, meanwhile, the first normally open contact D215 is disconnected, the operation indicator lamp 81 is turned off, and the water pump 1 is indicated to be not in an operation state at present.
In this embodiment, the operation indicator lamp 81 changes synchronously with the operation state of the water pump 1, and plays a role in indicating the working condition of the water pump 1.
Further, the main contactor further comprises a stop state indicating circuit 9, the main contactor further comprises a normally closed contact 216, the normally closed contact 216 is connected into the stop state indicating circuit 9, one end of the normally closed contact 216 is used for being connected with a first terminal 51 of the control power supply 5, the other end of the normally closed contact 216 is connected with the stop indicating lamp 91, and the stop indicating lamp 91 is further connected with a second terminal 52 of the control power supply 5.
In this embodiment, an operation status indicating circuit 8 is further provided, which is convenient for visually knowing the working condition of the water supply system. When the first coil 211 is electrified, the first normally open contact A212 is closed, the water pump 1 starts to work, water is supplied to the water tank, meanwhile, the first normally open contact D215 is closed, and the operation indicator lamp 81 is turned on to indicate that the water pump 1 is in an operation state at present.
When the first coil 211 is powered off, the first normally open contact A212 is disconnected, the water pump 1 stops working, water is not supplied to the water tank any more, meanwhile, the first normally open contact D215 is disconnected, the operation indicator lamp 81 is turned off, and the water pump 1 is indicated to be not in an operation state at present.
In this embodiment, the operation indicator lamp 81 changes synchronously with the operation state of the water pump 1, and plays a role in indicating the working condition of the water pump 1.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a novel no tower water supply system control circuit which characterized in that: comprises that
A main circuit (2);
the main contactor comprises a first coil (211), a first normally open contact A (212) and a first normally open contact B (213), the first normally open contact A (212) is connected into the main loop (2), one end of the first normally open contact A (212) is used for being connected with the water pump (1), and the other end of the first normally open contact A (212) is used for being connected with a main power supply (3);
an automatic control circuit (4) comprising
A pressure measuring instrument (41) comprising a switch one (411), a terminal A (412) and a terminal B (413),
one end of the first switch (411) is used for being connected with a first terminal (51) of a control power supply (5), the other end of the first switch (411) is switched among the terminal A (412), the terminal B (413) and a floating state,
the high liquid level relay comprises a second coil (421) and a second normally closed contact (422), one end of the second coil (421) is connected with the terminal A (412), the other end of the second coil (421) is used for being connected with a second terminal (52) of the control power supply (5),
the low liquid level relay comprises a coil III (431) and a normally open contact III (432), one end of the coil III (431) is connected with the terminal B (413), the other end of the coil III (431) is used for being connected with a terminal II (52) of a control power supply (5),
the time relay comprises a coil IV (441) and a normally open contact IV (442), one end of the normally open contact IV (442) is connected with a terminal I (51) of a control power supply (5), the other end of the normally open contact IV (442) is connected with the terminal A (412),
the normally closed contact II (422), the normally open contact III (432) and the coil I (211) are sequentially connected, one end of the normally closed contact II (422) is used for being connected with a terminal I (51) of a control power supply (5), one end of the coil I (211) is used for being connected with a terminal II (52) of the control power supply (5),
the normally open contact one B (213) is connected with the normally open contact three (432) in parallel, and the coil four (441) is connected with the coil one (211) in parallel.
2. The novel towerless water supply system control circuit of claim 1 wherein: the pressure measuring instrument further comprises a manual control circuit (6), the main contactor further comprises a normally open contact C (214), the pressure measuring instrument (41) further comprises a display panel,
the first switch (411) is connected with a first terminal (51) of the control power supply (5) through a manual/automatic switching switch (7), and the manual control circuit (6) comprises
A stop button (61) connected with the other end of the manual/automatic switch (7) connected with the control power supply (5),
a start button (62), one end of which is connected with one end of the stop button (61) far away from the manual/automatic switch (7), the other end of the start button (62) is connected with the first coil (211),
the normally open contact C (214) is connected in parallel with the start button (62).
3. The novel towerless water supply system control circuit of claim 1 wherein: also comprises a water pump protector, which comprises
A coil five (221), the water pump (1) and the main contactor are connected through the coil five (221),
and the coil I (211) is connected with the terminal II (52) of the control power supply (5) through the normally closed contact five (222).
4. The novel towerless water supply system control circuit of claim 1 wherein: still include running state indicating circuit (8), main contactor still includes normally open contact D (215), normally open contact D (215) inserts running state indicating circuit (8), the one end of normally open contact D (215) is used for being connected with terminal one (51) of control power supply (5), and the other end is connected with running indicator lamp (81), running indicator lamp (81) still are connected with terminal two (52) of control power supply (5).
5. The novel towerless water supply system control circuit of claim 1 wherein: still include stop state indicating circuit (9), main contactor still includes normally closed contact (216), normally closed contact (216) insert stop state indicating circuit (9), the one end of normally closed contact (216) is used for being connected with terminal one (51) of control power supply (5), and the other end is connected with stop pilot lamp (91), stop pilot lamp (91) still are connected with terminal two (52) of control power supply (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020586041.4U CN211653512U (en) | 2020-04-20 | 2020-04-20 | Novel control circuit of towerless water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020586041.4U CN211653512U (en) | 2020-04-20 | 2020-04-20 | Novel control circuit of towerless water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211653512U true CN211653512U (en) | 2020-10-09 |
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ID=72689103
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020586041.4U Active CN211653512U (en) | 2020-04-20 | 2020-04-20 | Novel control circuit of towerless water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211653512U (en) |
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2020
- 2020-04-20 CN CN202020586041.4U patent/CN211653512U/en active Active
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