CN214944885U - Civil air defense engineering water supply system - Google Patents
Civil air defense engineering water supply system Download PDFInfo
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- CN214944885U CN214944885U CN202121521201.8U CN202121521201U CN214944885U CN 214944885 U CN214944885 U CN 214944885U CN 202121521201 U CN202121521201 U CN 202121521201U CN 214944885 U CN214944885 U CN 214944885U
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- water supply
- contactor
- supply system
- pump
- air defense
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Abstract
The utility model provides a civil air defense engineering water supply system, include: the control circuit comprises a manual-automatic change-over switch, a first control loop and a second control loop, wherein the first control loop and the second control loop are connected with the change-over switch, the first control loop comprises a first water feeding pump starting button, a coil of a first contactor, a first thermal relay and a first water feeding pump stopping button which are connected with a second contact of the manual-automatic change-over switch, and the first water feeding pump is electrically connected with the first contactor; the second control loop comprises a second water feeding pump starting button connected with a sixth contact of the manual-automatic change-over switch, a coil of a second contactor, a second thermal relay and a second water feeding pump stopping button, and the second water feeding pump is electrically connected with the second contactor. The water supply can be controlled by an operator manually or by an automatic control system by connecting control loops respectively providing control for the two water supply pumps in series with contacts of the manual-automatic change-over switch.
Description
Technical Field
The utility model relates to a civil air defense engineering technical field, particularly, the utility model relates to a civil air defense engineering water supply system.
Background
At present, people's air defense facilities are increasingly perfect, but people's air defense engineering is concerned about ventilation design and safety problems, the optimization of a water supply system is neglected, and people's air defense basements are in urgent need to design a water supply system to provide domestic water for indoor personnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can solve the civil air defense engineering water supply system that prior art is not enough.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the utility model provides a civil air defense engineering water supply system, include: the water supply system comprises a first water supply pump, a second water supply pump and a control box electrically connected with the first water supply pump and the second water supply pump, wherein a control circuit is arranged in the control box and comprises a manual-automatic change-over switch, a first control loop and a second control loop, the first control loop and the second control loop are both connected with the change-over switch, the first control loop comprises a first water supply pump starting button, a coil of a first contactor, a first thermal relay and a first water supply pump stopping button which are connected between a second contact of the manual-automatic change-over switch and a zero line in series, and the first water supply pump is electrically connected with the first contactor; the second control loop comprises a second water feeding pump starting button, a coil of a second contactor, a second thermal relay and a second water feeding pump stopping button which are connected between a sixth contact of the manual-automatic change-over switch and the zero line in series, and the second water feeding pump is electrically connected with the second contactor.
And the manual-automatic switch further comprises a normally open contact and a first water pump operation indicating lamp of a first contactor connected between the fourth contact of the manual-automatic switch and the zero line in series, and a normally open contact and a second water pump operation indicating lamp of a second contactor connected between the eighth contact of the manual-automatic switch and the zero line in series.
Further, the first control loop also comprises a normally open contact of a first contactor which is connected with the starting button of the first water feeding pump in parallel; the second control loop also comprises a normally open contact of a second contactor which is connected with the starting button of the second water feeding pump in parallel.
The normally closed contact of the first contactor and the stop signal indicator lamp of the first water feeding pump are connected between the live wire and the zero line in series; and a normally closed contact of a second contactor and a second water supply pump stop signal indicator lamp which are connected in series between the live wire and the zero wire.
Further, the power supply indicator lamp is connected between the live wire and the zero wire.
Optionally, the control box includes an operation panel, and the operation panel is provided with the manual/automatic switching switch, each signal indicator light, the start button, and the stop button.
Optionally, the operating panel is sequentially provided with a first area, a second area and a third area along the height direction of the control box, the manual-automatic change-over switch and the power indicator are arranged in the first area, the signal indicator lamp and the start and stop control buttons of the first water feeding pump are arranged in the second area, and the signal indicator lamp and the start and stop control buttons of the second water feeding pump are arranged in the third area.
Further, the fuse-breaker that still includes to be connected on the live wire.
Further, a pressure switch is included, the pressure switch is connected in series with the manual-automatic transfer switch, and the pressure switch is closed when receiving a control signal indicating that the pressure is low.
The utility model provides a beneficial effect that technical scheme brought is: the utility model discloses a to provide the control circuit of control and the contact series connection of hand automatic switch for two water-feeding pumps respectively, can be operated by operating personnel and feed water, also can feed water by automatic control system control. The water supply control is carried out on the control loop through the pressure switch according to the water pressure, and the water supply problem can be solved in time. Through arranging signal indication lamp and control button subregion on operating panel, conveniently seek and operate, avoid the maloperation.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments of the present invention will be briefly described below.
Fig. 1 is a primary wiring diagram of a water supply system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an operation panel of a control box according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a control circuit of a water supply system according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present invention have been illustrated in the accompanying drawings, it is to be understood that the invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present invention. It should be understood that the drawings and examples are for illustrative purposes only and are not intended to limit the scope of the present disclosure.
It should be understood that the various steps recited in the method embodiments of the present invention may be performed in a different order and/or performed in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present invention is not limited in this respect.
The term "include" and variations thereof as used herein are open-ended, i.e., "including but not limited to". The term "coupled" may refer to direct coupling or indirect coupling via intermediate members (elements). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions for other terms will be given in the following description.
It should be noted that the terms "first", "second", and the like in the present invention are only used for distinguishing the devices, modules or units, and are not used for limiting the devices, modules or units to be different devices, modules or units, and also for limiting the sequence or interdependence of the functions performed by the devices, modules or units.
Referring to fig. 1 to 3, the utility model relates to a civil air defense engineering water supply system, which can automatically or manually realize the water supply function of civil air defense engineering and meet the domestic water of personnel in the underground chamber.
The civil air defense engineering water supply system comprises a control box, and a first water supply pump and a second water supply pump which are electrically connected with the control box. The water supply system supplies water through the two water supply pumps, one water supply pump can be used as a common pump, the other water supply pump can be used as a standby pump, and the two water supply pumps can supply water synchronously, so that the water supply time is saved.
The control box comprises an operation panel and a control circuit arranged in the control box, wherein the operation panel is provided with a mounting hole for mounting a button and a signal indicator lamp of the control circuit.
The control circuit comprises a manual-automatic change-over switch SAC3, a first control loop and a second control loop, wherein the first control loop and the second control loop are both connected with the change-over switch, the first control loop comprises a first water-feeding pump starting button SBF12, a coil KM12 of a first contactor, a first thermal relay KH12 and a first water-feeding pump stopping button SBS12, and the first water-feeding pump is electrically connected with the first contactor; the second control loop comprises a second water supply pump starting button SBF13 connected in series between a sixth contact of the manual automatic change-over switch and a zero line, a coil KM13 of a second contactor, a second thermal relay KH13 and a second water supply pump stopping button SBS13, and the second water supply pump is electrically connected with the second contactor.
The control circuit further comprises a normally open contact of a first contactor and a first water pump operation indicator lamp HF12 which are connected in series between the fourth contact of the manual-automatic change-over switch and the zero line, and a normally open contact of a second contactor and a second water pump operation indicator lamp HF13 which are connected in series between the eighth contact of the manual-automatic change-over switch and the zero line.
Further, the first control loop also comprises a normally open contact of a first contactor which is connected with the starting button of the first water feeding pump in parallel; the second control loop also comprises a normally open contact of a second contactor which is connected with the starting button of the second water feeding pump in parallel.
Further, the control circuit also comprises a normally closed contact of a first contactor and a first water supply pump stop signal indicator light HT12, wherein the normally closed contact is connected between the live wire and the zero wire in series; and a normally closed contact of a second contactor and a second water feeding pump stop signal indicator light HT13 which are connected in series between the live wire and the zero wire.
Further, the control circuit also comprises a power indicator HW4 connected between the live wire and the neutral wire and a fuse FU connected on the live wire.
The utility model discloses a theory of operation is: when a first water supply pump starting button SBF12 is pressed, a coil KM12 of a first contactor KM12 is electrified, a normally open contact KM12 of the first contactor is closed, the water supply pump is started, and a first water supply pump running indicator lamp HF12 is lightened; the other normally open contact KM12 of the first contactor is also closed, so that self-locking is realized. If the first feed water pump current is over-current, the first thermal relay KH12 is disconnected, and the first feed water pump is protected.
When the first water supply pump stop button SBS12 is pressed, the coil KM12 of the first contactor loses power, the normally open contact of the first contactor is disconnected, the first water supply pump stops running, the first water supply pump running indicating lamp is turned off, and the first water supply pump stop signal indicating lamp HT12 is turned on.
When a second water supply pump starting button SBF13 is pressed, a coil KM13 of a second contactor KM13 is electrified, a normally open contact KM13 of the second contactor is closed, the water supply pump is started, and a second water supply pump running indicator lamp HF13 is lightened; the other normally open contact KM13 of the second contactor is also closed, so that self-locking is realized.
When the second water supply pump stop button SBS13 is pressed, the coil KM13 of the second contactor is de-energized, the normally open contact of the second contactor is opened, the second water supply pump stops operating, the second water supply pump operating indicator lamp HF13 is turned off, and the second water supply pump stop signal indicator lamp HT13 is turned on.
In addition, the control circuit further comprises a pressure switch, the pressure switch is connected with the manual-automatic change-over switch in series, and the pressure switch is closed when receiving a control signal indicating that the pressure is low, so that the water supply system starts to supply water.
Referring to fig. 2, the operation panel is sequentially provided with a first area, a second area and a third area along the height direction of the control box, the manual/automatic change-over switch and the power indicator are arranged in the first area, the signal indicator lamp and the start/stop control button of the first water feed pump are arranged in the second area, and the signal indicator lamp and the start/stop control button of the second water feed pump are arranged in the third area.
The above description is only a preferred embodiment of the invention and is intended to illustrate the technical principles applied. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features are mutually replaced with (but not limited to) technical features having similar functions of the present invention.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Claims (9)
1. Civil air defense engineering water supply system includes: the water supply system comprises a first water supply pump, a second water supply pump and a control box electrically connected with the first water supply pump and the second water supply pump, wherein a control circuit is arranged in the control box; the second control loop comprises a second water feeding pump starting button, a coil of a second contactor, a second thermal relay and a second water feeding pump stopping button which are connected between a sixth contact of the manual-automatic change-over switch and the zero line in series, and the second water feeding pump is electrically connected with the second contactor.
2. The civil air defense engineering water supply system of claim 1, further comprising a normally open contact and a first water pump operation indicator light of the first contactor connected in series between the fourth contact of the manual-automatic changeover switch and the zero line, and a normally open contact and a second water pump operation indicator light of the second contactor connected in series between the eighth contact of the manual-automatic changeover switch and the zero line.
3. The civil air defense engineering water supply system of claim 2, wherein the first control loop further comprises a normally open contact of the first contactor in parallel with the first water supply pump start button; the second control loop also comprises a normally open contact of a second contactor which is connected with the starting button of the second water feeding pump in parallel.
4. The civil air defense engineering water supply system of claim 3, further comprising a normally closed contact of a first contactor and a first water supply pump stop signal indicator lamp connected in series between the live line and the neutral line; and a normally closed contact of a second contactor and a second water supply pump stop signal indicator lamp which are connected in series between the live wire and the zero wire.
5. The civil air defense engineering water supply system of claim 4, further comprising a power indicator light connected between the live and neutral wires.
6. The civil air defense engineering water supply system of claim 5, wherein the control box comprises an operation panel, and the manual-automatic change-over switch, the signal indicator lamps, the start button and the stop button are arranged on the operation panel.
7. The civil air defense engineering water supply system of claim 6, wherein the operation panel is provided with a first area, a second area and a third area in sequence along the height direction of the control box, the manual-automatic change-over switch and the power indicator are arranged in the first area, the signal indicator lamp and the start and stop control buttons of the first water supply pump are arranged in the second area, and the signal indicator lamp and the start and stop control buttons of the second water supply pump are arranged in the third area.
8. The civil air defense engineering water supply system of claim 1, further comprising a fuse connected to the firing line.
9. The civil air defense engineering water supply system of claim 1, further comprising a pressure switch in series with the manual-automatic diverter switch and the pressure switch closes upon receipt of a control signal indicative of a low pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121521201.8U CN214944885U (en) | 2021-07-05 | 2021-07-05 | Civil air defense engineering water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121521201.8U CN214944885U (en) | 2021-07-05 | 2021-07-05 | Civil air defense engineering water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214944885U true CN214944885U (en) | 2021-11-30 |
Family
ID=79076071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121521201.8U Active CN214944885U (en) | 2021-07-05 | 2021-07-05 | Civil air defense engineering water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214944885U (en) |
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2021
- 2021-07-05 CN CN202121521201.8U patent/CN214944885U/en active Active
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