CN215719405U - Water pump control system - Google Patents
Water pump control system Download PDFInfo
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- CN215719405U CN215719405U CN202122168183.6U CN202122168183U CN215719405U CN 215719405 U CN215719405 U CN 215719405U CN 202122168183 U CN202122168183 U CN 202122168183U CN 215719405 U CN215719405 U CN 215719405U
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Abstract
The application relates to the technical field of electrical control equipment, in particular to a water pump control system, wherein, the coil of the first time relay is connected in series with the normally closed contact of the second intermediate relay and the normally closed contact of the third intermediate relay, the coil of the second time relay is connected in series with the normally closed contact of the first intermediate relay and the normally open contact of the third intermediate relay, the coil of the third intermediate relay is connected in series with the normally closed contact of the second time relay and the normally open contact of the first time relay, and the normally open contact of the third intermediate relay is connected in parallel with the normally open contact of the first time relay, and a coil of the programmable time controller is connected with a coil of the fifth intermediate relay in parallel, a normally open contact of the programmable time controller is connected with the coil of the fifth intermediate relay in series, and the normally open contact of the fifth intermediate relay is connected with the manual/automatic change-over switch in series. This application has also guaranteed the life of a pump and No. two pumps when guaranteeing the continuity and the stability that supply water.
Description
Technical Field
The application relates to the technical field of electrical control equipment, in particular to a water pump control system.
Background
In the civil and general industrial building field, common water pumps usually include fire-fighting water pumps, fire hydrant pumps, water feeding pumps, hot water circulating water pumps, submersible sewage pumps and the like, and when the pump is used specifically, two pumps are usually controlled simultaneously through a control circuit designed in a distribution box, and the two pumps usually work in one-use-one-standby mode, namely one of the two pumps is a main pump, the other pump is a standby pump, the main pump mainly operates and is used at ordinary times, and when the main pump breaks down, the standby pump is started.
With respect to the related art among the above, the inventors consider that the following technical drawbacks exist: only can launch the stand-by pump when the main pump breaks down, lead to the availability factor of stand-by pump not high, and mainly concentrate on using the main pump for the main pump is long-time work in succession, is difficult to guarantee the operational reliability of main pump on the one hand, and on the other hand also accelerates the ageing of main pump easily, shortens the life of main pump, leads to frequently changing the main pump. For this reason, further improvement is awaited.
SUMMERY OF THE UTILITY MODEL
In order to improve the rate of utilization of reserve pump, shorten the length of time of main pump continuous load work, guarantee the reliability of water pump water supply process, this application provides a water pump control system.
The application provides a water pump control system adopts following technical scheme:
the utility model provides a water pump control system, includes the control box and set up in manual/automatic change over switch on the control box still includes: first time relay, second time relay, first intermediate relay, second intermediate relay, third intermediate relay, fifth intermediate relay, programmable time controller, wherein:
a coil of the first time relay is connected with a normally closed contact of the second intermediate relay and a normally closed contact of the third intermediate relay in series to form a first automatic control module for controlling the first pump;
a coil of the second time relay is connected with a normally closed contact of the first intermediate relay and a normally open contact of the third intermediate relay in series to form a second automatic control module for controlling a second pump;
a coil of the third intermediate relay is connected in series with a normally closed contact of the second time relay and a normally open contact of the first time relay, and the normally open contact of the third intermediate relay is connected in parallel with the normally open contact of the first time relay to form a rotation signal input module for controlling the first pump and the second pump to rotate;
the coil of the programmable time controller is connected with the coil of the fifth intermediate relay in parallel, the normally open contact of the programmable time controller is connected with the coil of the fifth intermediate relay in series, the normally open contact of the fifth intermediate relay is connected with the manual/automatic change-over switch in series, a time control module for controlling the first pump and the second pump to change the working period in an alternate mode is formed, and the time control module is connected with the alternate signal input module in parallel.
By adopting the technical scheme, under the coordination of the programmable time controller, the first time relay, the second time relay, the third intermediate relay and the fifth intermediate relay, the contactors for controlling the first pump and the second pump are controlled to be opened and closed in a timing mode, so that the first pump and the second pump can be used alternately in a loop according to a preset time period, namely, if the first pump works firstly, after the first pump finishes pumping water for a preset time, the second pump can work when the first pump needs to pump water for the next time, and the operation is alternately carried out. When guaranteeing continuity and the stability of supplying water, balanced the rate of utilization between a pump and No. two pumps, guaranteed the life of a pump, No. two pumps, be favorable to reducing the probability that the circuit breaks down and need the outage maintenance to a certain extent, guaranteed the reliability of water supply process.
Optionally, still include control transformer, temperature controller and fourth auxiliary relay, the control transformer with temperature controller and the coil of fourth auxiliary relay is established ties, fourth auxiliary relay normally open the contact with fifth auxiliary relay's coil is established ties and is formed and is used for according to ambient temperature control No. one the pump with the temperature control module of No. two pump work, the temperature control module with signal input module connects in parallel by turns, the temperature control module with time control module establishes ties.
Under the condition that a water pump is required to provide hot water, the temperature controller is arranged, so that the system can determine the time point for operating the water pump according to the change of the outside air temperature, for example, the starting condition of the temperature controller is set at a certain temperature value, and when the outside air temperature reaches the temperature value, a circuit is switched on to enable the first pump or the second pump to start to alternately operate to supply hot water. Therefore, even if the working time point is not preset by the programmable time controller, the water pump can be started to enable the first pump and the second pump to automatically start working, and the continuity and timeliness of hot water supply are guaranteed.
Optionally, the system further comprises a first thermal relay, a first contactor, a first start button, a first stop button, a second thermal relay, a second contactor, a second start button, and a second stop button, wherein:
a normally closed contact of the first thermal relay is connected with a coil of the first contactor, the first starting button and the first stopping button in series, and a normally open contact of the first contactor is connected with the first starting button in parallel to form a first manual control module for controlling the first pump;
the coil of second auxiliary relay with the normally closed contact of first auxiliary relay establishes ties, the normally closed contact of second thermal relay with the coil of second contactor the second start button and the second is shut down the button and is established ties, just the normally open contact of second contactor with the second start button is parallelly connected, forms and is used for control the second manual control module of No. two pumps.
By adopting the technical scheme, when the first pump or the second pump breaks down in the working process, for example, due to sudden rise of overload temperature, the arranged first thermal relay or the second thermal relay can cut off the working loop of the first pump or the second pump in time to stop the first pump or the second pump and simultaneously put the second pump or the first pump into work, so that the continuity of the water supply process is ensured.
Optionally, the first manual control module further includes a first operation indicator and a first stop indicator, the first operation indicator is connected in series with the normally open contact of the first contactor, and the first stop indicator is connected in series with the normally closed contact of the first intermediate relay.
Optionally, the second manual control module further comprises a second operation indicator light and a second stop indicator light, the second operation indicator light is connected in series with the normally open contact of the second contactor, and the second stop indicator light is connected in series with the normally closed contact of the second intermediate relay.
Optionally, one end of a coil of the first time relay is connected to a zero line, the other end of the coil of the first time relay is connected to a node n07, one end of a normally closed contact of the second intermediate relay is connected to a node n07, the other end of the normally closed contact of the second intermediate relay is connected to one end of a normally closed contact of the third intermediate relay through a node n12, the other end of the normally closed contact of the third intermediate relay is connected to the manual/automatic change-over switch through a node n10, one end of a normally open contact of the first intermediate relay is connected to a node n10, the other end of the normally open contact of the first intermediate relay is connected to a node n12, one end of the first stop indicator light is connected to the zero line, the other end of the first stop indicator light is connected to one end of the normally closed contact of the first time relay, and the other end of the first time relay is connected to a phase line; the one end of second time relay's coil inserts the zero line, the other end meets with node n14, the one end and the node n14 of first intermediate relay's normally closed contact meet, the other end pass through node n16 with the one end of the normally open contact of third intermediate relay meets, the other end of the normally open contact of third intermediate relay meets with manual/automatic transfer switch through node n10, the one end and the node n10 of the normally open contact of second intermediate relay meet, the other end meets with node n16, the one end of second stop indicator light inserts the zero line, the other end and the one end of the normally closed contact of second time relay meets, the other end of the normally closed contact of second time relay inserts the looks line.
Optionally, the first monitoring module is connected with one end of a normally open contact of the first intermediate relay through a node B1, and the other end of the normally open contact of the first intermediate relay is connected with a node B2, so as to feed back a signal of normal operation of the first pump; the first monitoring module is connected with one end of a normally closed contact of a first intermediate relay through a node B3, and the other end of the normally closed contact of the first intermediate relay is connected with a node B4 and used for feeding back a signal that the first pump stops running; the first monitoring module is connected with one end of a normally open contact of the first thermal relay through a node B5, and the other end of the normally open contact of the first thermal relay is connected with a node B6 and used for feeding back a signal when the first pump fails.
Optionally, the system further comprises a second monitoring module, the second monitoring module is connected with the interface S1 of the manual/automatic change-over switch through a node B13, and the interface S2 of the manual/automatic change-over switch is connected with a node B14, and is used for feeding back a signal for manual control; the second monitoring module is connected with an interface S3 of a manual/automatic change-over switch through a node B15, and an interface S4 of the manual/automatic change-over switch is connected with a node B16 and used for feeding back an automatic control signal.
Optionally, the monitoring system further comprises a third monitoring module, the third monitoring module comprises a sixth intermediate relay, the third monitoring module is connected with one end of a coil of the sixth intermediate relay through a node B17, the other end of the coil of the sixth intermediate relay is connected with a node B18, one end of a normally open contact of the sixth intermediate relay is connected with a node n11, and the other end of the normally open contact of the sixth intermediate relay is connected with a node n 01.
Optionally, the system further comprises a fuse, wherein one end of the fuse is connected with the starting end of the phase line, and the other end of the fuse is connected with the node n 01.
As can be seen from the above, the present application has the following beneficial technical effects: the service rates of the first pump and the second pump are balanced while the continuity and the stability of water supply are ensured, the service lives of the first pump and the second pump are ensured, the probability that a line breaks down and needs power-off maintenance is reduced to a certain extent, and the reliability of a water supply process is ensured; meanwhile, under the coordination action of the temperature control module, the continuity and timeliness of hot water supply are ensured; in addition, by arranging the first monitoring module, the second monitoring module and the third monitoring module, the working personnel can know the running condition of the system in real time.
Additional features and advantages of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the present application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1 is a general structural diagram of a water pump control system in an embodiment of the present application.
Fig. 2 is an electrical schematic diagram of a water pump control system in an embodiment of the present application.
Fig. 3 is a block diagram of a remote monitoring module in an embodiment of the present application.
Description of reference numerals: 101. a first pump; 102. a second pump; 110. a first manual control module; 120. a first automatic control module; 210. a second manual control module; 220. a second automatic control module; 300. a rotation signal input module; 400. a time control module; 500. a temperature control module; 600. a remote monitoring module; 610. a first monitoring module; 620. a second monitoring module; 630. and a third monitoring module.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1-3, for a water pump control system disclosed in an embodiment of the present application, the water pump control system comprises a phase line L, a zero line N, a fuse FU, a first time relay 1KT, a second time relay 2KT, a first intermediate relay KA1, a second intermediate relay KA2, a third intermediate relay KA3, a fourth intermediate relay KA4, a fifth intermediate relay KA5, a sixth intermediate relay KA6, a first thermal relay 1KH, a second thermal relay 2KH, a first contactor 1KM, a second contactor 2KM, a manual/automatic change-over switch SA, a first stop button SS1, a second stop button SS2, a first start button SF1, a second start button SF2, a first operation indicator lamp 1HR, a second operation indicator lamp 2HR, a first stop indicator lamp 1HG, a second stop indicator lamp 2HG, a control transformer BK, a temperature controller TC and a programmable time controller PTC.
A coil of the first thermal relay 1KH is connected with the first pump 101 in series, and the on-off state of the first pump 101 is controlled by a contact corresponding to the first contactor 1 KM; the coil of the second thermal relay 2KH is connected with the second pump 102 in series, and the on-off of the second pump 102 is controlled by a contact corresponding to the second contactor 2 KM. Fuse FU has one end connected to the start end of phase line L and the other end connected to node n 01. The coil of third auxiliary relay KA3 establishes ties with the normally closed contact of second time relay 2KT and the normally open contact of first time relay 1KT, and the normally open contact of third auxiliary relay KA3 is parallelly connected with the normally open contact of first time relay 1KT, forms the signal input module 300 of alternating that is used for controlling first pump 101 and No. two pump 102 work in turn.
Specifically, one end of a normally open contact of the first time relay 1KT is connected with a node n01, the other end of the normally open contact of the first time relay 1KT is connected with one end of a normally closed contact of the second time relay 2KT, the other end of the normally closed contact of the second time relay 2KT is connected with one end of a coil of the third intermediate relay KA3, the other end of the coil of the third intermediate relay KA3 is connected with a zero line, one end of the normally open contact of the third intermediate relay KA3 is connected between the normally open contact of the first time relay 1KT and the normally closed contact of the second time relay 2KT through a node n02, and the other end of the normally open contact of the third intermediate relay KA3 is connected with a node n 01.
The control transformer BK is connected in series with the temperature controller TC and the coil of the fourth intermediate relay KA4, and the normally open contact of the fourth intermediate relay KA4 is connected in series with the coil of the fifth intermediate relay KA5, so as to form the temperature control module 500 for controlling the operation of the first pump 101 and the second pump 102 according to the outside air temperature. The temperature control module 500 is connected in parallel to the above-described rotation signal input module 300, and specifically, one end of the high-voltage side of the control transformer BK is connected to the node N01, and the other end thereof is connected to the neutral line N, one end of the temperature controller TC is connected to one end of the low-voltage side of the control transformer BK through the node N03, and the other end thereof is connected to one end of the coil of the fourth intermediate relay KA4, the probe of the temperature controller TC is communicable with the outside through the node N03, the other end of the coil of the fourth intermediate relay KA4 is connected to the other end of the low-voltage side of the control transformer BK through the node N04, one end of the normally open contact of the fourth intermediate relay KA4 is connected to the node N01, the other end thereof is connected to one end of the coil of the fifth intermediate relay KA5 through the node N05, and the other end of the fifth intermediate relay KA5 is connected to the neutral line N. The control transformer BK in the embodiment of the present application can convert the high voltage of the control power supply 220V into the low voltage of 24V, so as to prevent an accident caused by the strong current flowing out through the probe of the temperature controller TC.
The coil of the programmable time controller PTC is connected in parallel with the coil of the fifth intermediate relay KA5, the normally open contact of the programmable time controller PTC is connected in series with the coil of the fifth intermediate relay KA5, and the normally open contact of the fifth intermediate relay KA5 is connected in series with the manual/automatic change-over switch SA, so that the time control module 400 for controlling the first pump 101 and the second pump 102 to alternate the working period is formed. The time control module 400 is connected in parallel with the temperature control module 500, and the time control module 400 is connected in parallel with the alternate signal input module 300, specifically, one end of a coil of the programmable time controller PTC is connected with a node N01, the other end is connected with a zero line N, one end of a normally open contact of the programmable time controller PTC is connected with a node N05, the other end is connected with a node N01, one end of a normally open contact of the fifth intermediate relay KA5 is connected with the manual/automatic change-over switch SA through a node N11, and the other end is connected with a node N01.
Wherein, the normally closed contact of first thermal relay 1KH and the coil of first contactor 1KM, first start button SF1 and first stop button SS1 are established ties, and the normally open contact of first contactor 1KM is parallelly connected with first start button SF1, the coil of first auxiliary relay KA1 and the normally closed contact of second auxiliary relay KA2 are established ties, first operation pilot lamp 1HR and the normally open contact of first contactor 1KM are established ties, first stop pilot lamp 1HG and the normally closed contact of first auxiliary relay KA1 are established ties, form the first manual control module 110 that is used for controlling a pump 101.
Specifically, one end of a normally closed contact of the first thermal relay 1KH is connected to a neutral line N, and the other end thereof is connected to one end of a coil of the first contactor 1KM through a node N08, the other end of the coil of the first contactor 1KM is connected to one end of a first start button SF1 through a node N07, the other end of the first start button SF1 is connected to one end of a first stop button SS1 through a node N06, the other end of the first stop button SS1 is connected to a manual/automatic change-over switch SA through a node N09, one end of a normally open contact of the first contactor 1KM is connected to a node N07, the other end thereof is connected to one end of a first operation indicator lamp 1HR, the other end of the first operation indicator lamp 1HR is connected to a node N08, one end of a coil of the first intermediate relay KA1 is connected to a node N07, and the other end thereof is connected to a node N08.
The coil of the first time relay 1KT is connected in series with the normally closed contact of the second intermediate relay KA2 and the normally closed contact of the third intermediate relay KA3 to form a first automatic control module 120 for controlling the first pump 101. Specifically, one end of a coil of the first time relay 1KT is connected to a neutral line N, the other end of the coil is connected to a node N07, one end of a normally closed contact of the second intermediate relay KA2 is connected to a node N07, the other end of the normally closed contact of the third intermediate relay KA3 is connected to one end of a normally closed contact of the third intermediate relay KA3 through a node N12, the other end of the normally closed contact of the third intermediate relay KA3 is connected to a manual/automatic change-over switch SA through a node N10, one end of a normally open contact of the first intermediate relay KA1 is connected to a node N10, the other end of the normally open contact of the first intermediate relay KA1 is connected to a node N12, one end of the first stop indicator lamp 1HG is connected to the neutral line N, the other end of the normally closed contact of the first time relay 1KT is connected to a phase line L, and the other end of the first time relay 1KT is connected to a phase line L.
Wherein, the coil of second intermediate relay KA2 and the normally closed contact of first intermediate relay KA1 establish ties, the normally closed contact of second thermal relay 2KH and the coil of second contactor 2KM, second start button SF2 and second stop button SS2 establish ties, and the normally open contact of second contactor 2KM and second start button SF2 are parallelly connected, the normally open contact of second operation pilot lamp 2HR and second contactor 2KM establishes ties, second stop pilot lamp 2HG and the normally closed contact of second intermediate relay KA2 establish ties, form the second manual control module 210 that is used for controlling No. two pumps 102.
Specifically, one end of a normally closed contact of the second thermal relay 2KH is connected to the neutral line N, and the other end thereof is connected to one end of a coil of the second contactor 2KM through a node N15, the other end of the coil of the second contactor 2KM is connected to one end of a second start button SF2 through a node N14, the other end of the second start button SF2 is connected to one end of a second stop button SS2 through a node N13, the other end of the second stop button SS2 is connected to the manual/automatic change-over switch SA through a node N09, one end of a normally open contact of the second contactor 2KM is connected to the node N13, the other end thereof is connected to one end of a second operation indicator lamp 2HR, the other end of the second operation indicator lamp 2HR is connected to the node N15, one end of a coil of the second intermediate relay KA2 is connected to the node N14, and the other end thereof is connected to the node N15.
The coil of the second time relay 2KT is connected in series with the normally closed contact of the first intermediate relay KA1 and the normally open contact of the third intermediate relay KA3 to form a second automatic control module 220 for controlling the second pump 102. Specifically, one end of a coil of the second time relay 2KT is connected to a neutral line N, the other end of the coil is connected to a node N14, one end of a normally closed contact of the first intermediate relay KA1 is connected to a node N14, the other end of the normally closed contact of the first intermediate relay KA3 is connected to one end of a normally open contact of the third intermediate relay KA3 through a node N16, the other end of the normally open contact of the third intermediate relay KA3 is connected to a manual/automatic change-over switch SA through a node N10, one end of the normally open contact of the second intermediate relay KA2 is connected to a node N10, the other end of the normally open contact of the second intermediate relay KA2 is connected to a node N16, one end of the second stop indicator lamp 2HG is connected to the neutral line N, the other end of the normally closed contact of the second time relay 2KT is connected to a phase line L, and the other end of the normally closed contact of the second time relay 2KT is connected to a phase line L.
Considering that the control box is usually arranged in the pump room, in order to facilitate the working condition of the water pump control system to be known by the staff in the office in real time, and meanwhile, the staff can remotely control the operation of the water pump, the water pump control system in the embodiment of the present application further includes a remote monitoring module 600, and the remote monitoring module 600 includes a first monitoring module 610 for feeding back the working states of the first pump 101 and the second pump 102, a second monitoring module 620 for monitoring the working state of the manual/automatic change-over switch SA, and a third monitoring module 630 for remotely controlling the working states of the first pump 101 and the second pump 102.
Specifically, referring to fig. 2 and 3, the first monitoring module 610 is connected with one end of a normally open contact of the first intermediate relay KA1 through a node B1, and the other end of the normally open contact of the first intermediate relay KA1 is connected with a node B2, and is used for feeding back a signal that the first pump 101 normally operates; the first monitoring module 610 is connected with one end of a normally closed contact of the first intermediate relay KA1 through a node B3, and the other end of the normally closed contact of the first intermediate relay KA1 is connected with a node B4 and used for feeding back a signal for stopping the operation of the first pump 101; the first monitoring module 610 is connected with one end of a normally open contact of the first thermal relay 1KH through a node B5, and the other end of the normally open contact of the first thermal relay 1KH is connected with a node B6, and is used for feeding back a signal when the first pump 101 fails.
Further, referring to fig. 2 and 3, the first monitoring module 610 is connected with one end of a normally open contact of the second intermediate relay KA2 through a node B7, and the other end of the normally open contact of the second intermediate relay KA2 is connected with a node B8, and is used for feeding back a signal that the second pump 102 normally operates; the first monitoring module 610 is connected with one end of a normally closed contact of a second intermediate relay KA2 through a node B9, and the other end of the normally closed contact of the second intermediate relay KA2 is connected with a node B10 and used for feeding back a signal for stopping the operation of the second pump 102; the first monitoring module 610 is connected with one end of a normally open contact of the second thermal relay 2KH through a node B11, and the other end of the normally open contact of the second thermal relay 2KH is connected with a node B12, and is used for feeding back a signal when the second pump 102 fails.
Further, referring to fig. 2 and 3, the second monitoring module 620 is connected to the S1 interface of the manual/automatic switch SA through the node B13, and the S2 interface of the manual/automatic switch SA is connected to the node B14 for feeding back a signal for manual control; the second monitoring module 620 is connected to the S3 interface of the manual/automatic switch SA through the node B15, and the S4 interface of the manual/automatic switch SA is connected to the node B16 for feeding back the automatic control signal.
Further, referring to fig. 2 and 3, the third monitoring module 630 includes a sixth intermediate relay KA6, and the third monitoring module 630 is connected to one end of a coil of the sixth intermediate relay KA6 through a node B17, and the other end of the coil of the sixth intermediate relay KA6 is connected to a node B18. One end of a normally open contact of the sixth intermediate relay KA6 is connected to the node n11, and the other end thereof is connected to the node n 01.
The implementation principle of a water pump control system in the embodiment of the application is as follows: the working time point is set through the programmable time controller PTC, and meanwhile, the corresponding working temperature can be set through the temperature controller TC, so that the manual/automatic change-over switch SA is driven to the automatic gear. Suppose that the first pump 101 starts to work first, and the first time relay 1KT is powered, and the first time relay 1KT delays for a preset time to close the normally open contact of the first time relay 1KT, wherein the preset time is the working time of the first pump 101. When the normally open contact of the first time relay 1KT is closed, the third intermediate relay KA3 is powered on, so that the normally open contact of the third intermediate relay KA3 at the position of n01 is closed, the normally closed contact of the third intermediate relay KA3 between n10 and n12 is opened, and the normally open contact of the third intermediate relay KA3 between n10 and n16 is closed. Thus, the next time the circuit corresponding to the second pump 102 is turned on, i.e., the second pump 102 is operating. After the second pump 102 finishes working, the loop returns to the state when the first pump 101 works, and the next working is the first pump 101, so that the first pump 101 and the second pump 102 work alternately.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
What has been described above are but some of the embodiments of the present application. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept herein, and it is intended to cover all such modifications and variations as fall within the scope of the invention.
Claims (10)
1. The utility model provides a water pump control system, includes the control box and set up in manual/automatic transfer switch on the control box, its characterized in that still includes:
first time relay, second time relay, first intermediate relay, second intermediate relay, third intermediate relay, fifth intermediate relay, programmable time controller, wherein:
a coil of the first time relay is connected with a normally closed contact of the second intermediate relay and a normally closed contact of the third intermediate relay in series to form a first automatic control module for controlling the first pump;
a coil of the second time relay is connected with a normally closed contact of the first intermediate relay and a normally open contact of the third intermediate relay in series to form a second automatic control module for controlling a second pump;
a coil of the third intermediate relay is connected in series with a normally closed contact of the second time relay and a normally open contact of the first time relay, and the normally open contact of the third intermediate relay is connected in parallel with the normally open contact of the first time relay to form a rotation signal input module for controlling the first pump and the second pump to rotate;
the coil of the programmable time controller is connected with the coil of the fifth intermediate relay in parallel, the normally open contact of the programmable time controller is connected with the coil of the fifth intermediate relay in series, the normally open contact of the fifth intermediate relay is connected with the manual/automatic change-over switch in series, a time control module for controlling the first pump and the second pump to change the working period in an alternate mode is formed, and the time control module is connected with the alternate signal input module in parallel.
2. A water pump control system as claimed in claim 1, wherein: still including control transformer, temperature controller and fourth auxiliary relay, the control transformer with temperature controller and the coil of fourth auxiliary relay is established ties, fourth auxiliary relay normally open the contact with fifth auxiliary relay's coil is established ties and is formed and be used for according to ambient temperature control No. one the pump with the temperature control module of No. two pump work, temperature control module with signal input module connects in parallel by turns, temperature control module with time control module establishes ties.
3. A water pump control system as claimed in claim 1, wherein: still include first thermal relay, first contactor, first start button, first stop button, second thermal relay, second contactor, second start button and second stop button, wherein:
a normally closed contact of the first thermal relay is connected with a coil of the first contactor, the first starting button and the first stopping button in series, and a normally open contact of the first contactor is connected with the first starting button in parallel to form a first manual control module for controlling the first pump;
the coil of second auxiliary relay with the normally closed contact of first auxiliary relay establishes ties, the normally closed contact of second thermal relay with the coil of second contactor the second start button and the second is shut down the button and is established ties, just the normally open contact of second contactor with the second start button is parallelly connected, forms and is used for control the second manual control module of No. two pumps.
4. A water pump control system as claimed in claim 3, wherein: the first manual control module comprises a first operation indicator lamp and a first stop indicator lamp, the first operation indicator lamp is connected with a normally open contact of the first contactor in series, and the first stop indicator lamp is connected with a normally closed contact of the first intermediate relay in series.
5. A water pump control system as claimed in claim 3, wherein: the second manual control module comprises a second operation indicator light and a second stop indicator light, the second operation indicator light is connected with the normally open contact of the second contactor in series, and the second stop indicator light is connected with the normally closed contact of the second intermediate relay in series.
6. A water pump control system as claimed in claim 1, wherein: one end of a coil of the first time relay is connected with a zero line, the other end of the coil of the first time relay is connected with a node n07, one end of a normally closed contact of the second intermediate relay is connected with a node n07, the other end of the normally closed contact of the second intermediate relay is connected with one end of a normally closed contact of the third intermediate relay through a node n12, the other end of the normally closed contact of the third intermediate relay is connected with the manual/automatic change-over switch through a node n10, one end of a normally open contact of the first intermediate relay is connected with a node n10, the other end of the normally open contact of the first intermediate relay is connected with a node n12, one end of the first stop indicator lamp is connected with the zero line, the other end of the first stop indicator lamp is connected with one end of the normally closed contact of the first time relay, and the other end of the first time relay is connected with a phase line; the one end of second time relay's coil inserts the zero line, the other end meets with node n14, the one end and the node n14 of first intermediate relay's normally closed contact meet, the other end pass through node n16 with the one end of the normally open contact of third intermediate relay meets, the other end of the normally open contact of third intermediate relay meets with manual/automatic transfer switch through node n10, the one end and the node n10 of the normally open contact of second intermediate relay meet, the other end meets with node n16, the one end of second stop indicator light inserts the zero line, the other end and the one end of the normally closed contact of second time relay meets, the other end of the normally closed contact of second time relay inserts the looks line.
7. A water pump control system as claimed in claim 1, wherein: the first monitoring module is connected with one end of a normally open contact of the first intermediate relay through a node B1, and the other end of the normally open contact of the first intermediate relay is connected with a node B2 and used for feeding back a signal of normal operation of the first pump; the first monitoring module is connected with one end of a normally closed contact of a first intermediate relay through a node B3, and the other end of the normally closed contact of the first intermediate relay is connected with a node B4 and used for feeding back a signal that the first pump stops running; the first monitoring module is connected with one end of a normally open contact of the first thermal relay through a node B5, and the other end of the normally open contact of the first thermal relay is connected with a node B6 and used for feeding back a signal when the first pump fails.
8. A water pump control system as claimed in claim 1, wherein: the monitoring system also comprises a second monitoring module which is connected with an interface S1 of the manual/automatic change-over switch through a node B13, and an interface S2 of the manual/automatic change-over switch is connected with a node B14 and used for feeding back signals of manual control; the second monitoring module is connected with an interface S3 of a manual/automatic change-over switch through a node B15, and an interface S4 of the manual/automatic change-over switch is connected with a node B16 and used for feeding back an automatic control signal.
9. A water pump control system as claimed in claim 1, wherein: the monitoring system further comprises a third monitoring module, the third monitoring module comprises a sixth intermediate relay, the third monitoring module is connected with one end of a coil of the sixth intermediate relay through a node B17, the other end of the coil of the sixth intermediate relay is connected with a node B18, one end of a normally open contact of the sixth intermediate relay is connected with a node n11, and the other end of the normally open contact of the sixth intermediate relay is connected with a node n 01.
10. A water pump control system as claimed in claim 1, wherein: the fuse is further included, one end of the fuse is connected with the starting end of the phase line, and the other end of the fuse is connected with the node n 01.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122168183.6U CN215719405U (en) | 2021-09-08 | 2021-09-08 | Water pump control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122168183.6U CN215719405U (en) | 2021-09-08 | 2021-09-08 | Water pump control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215719405U true CN215719405U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122168183.6U Active CN215719405U (en) | 2021-09-08 | 2021-09-08 | Water pump control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215719405U (en) |
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2021
- 2021-09-08 CN CN202122168183.6U patent/CN215719405U/en active Active
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