CN218971407U - Circulation system - Google Patents
Circulation system Download PDFInfo
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- CN218971407U CN218971407U CN202223216330.3U CN202223216330U CN218971407U CN 218971407 U CN218971407 U CN 218971407U CN 202223216330 U CN202223216330 U CN 202223216330U CN 218971407 U CN218971407 U CN 218971407U
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- circulating pump
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- auxiliary pipeline
- starting
- auxiliary
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Abstract
The utility model relates to a circulating system, which comprises a first circulating pump, wherein the outer side of the first circulating pump is coated with a jacket; the first auxiliary pipeline is internally provided with a first medium, the first medium flows in from an inlet of the first auxiliary pipeline, flows through a jacket at the outer side of the first circulating pump and flows out from an outlet of the first auxiliary pipeline, and the first auxiliary pipeline is used for cooling or heating the first circulating pump; the first switch valve is arranged on the first auxiliary pipeline and is used for controlling the on and off of the first auxiliary pipeline; the electrode of the first switch valve is connected with a motor starting circuit of the first circulating pump, so that the conduction of the first auxiliary pipeline is synchronous with the starting of the first circulating pump. According to the utility model, the relative positions of the elbow and the brush head seat can be adjusted according to the actual condition of the area to be cleaned, so that the cleaning effect is improved, and the tool user can be more convenient. In this embodiment, the control of the first switch valve is simple and intelligent, and the cost can be reduced.
Description
Technical Field
The utility model relates to the technical field of circulation, in particular to a circulation system.
Background
In public works, the circulating pumps are often in a mutually standby mode, and each circulating pump adopts pipelines communicated with each other to perform cooling circulation, so that the situation that the standby pump stops and the cooling circulation is performed is caused, and water resources are wasted.
In the prior art, the on-off of a cooling pipeline is controlled through a switching valve remotely controlled by a DCS, but the cost of a DCS clamping piece, the cable cost, the construction cost and the like are increased; especially when DCS remote control breaks down, can lead to the cooling pipeline can not timely open for the circulating pump damages, thereby influences normal production operation.
Disclosure of Invention
The utility model provides a circulation system, comprising: the outer side of the first circulating pump is coated with a jacket; the first auxiliary pipeline is internally provided with a first medium, the first medium flows in from an inlet of the first auxiliary pipeline, flows through a jacket at the outer side of the first circulating pump and flows out from an outlet of the first auxiliary pipeline, and the first auxiliary pipeline is used for cooling or heating the first circulating pump; the first switch valve is arranged on the first auxiliary pipeline and is used for controlling the on and off of the first auxiliary pipeline; the electrode of the first switch valve is connected with a motor starting circuit of the first circulating pump, so that the conduction of the first auxiliary pipeline is synchronous with the starting of the first circulating pump.
In one possible embodiment, the first switching valve is a normally closed solenoid valve.
In one possible embodiment, the motor start circuit includes a first relay located between the hot wire and the neutral wire, the motor start circuit having a first end point therein, a coil of the first relay being located between the first end point and the neutral wire, and a contact switch of the first relay being located between the hot wire and the first end point.
In one possible embodiment, one electrode of the first switching valve is connected to the first end point, and the other electrode of the first switching valve is connected to the zero line.
In one possible embodiment, the motor start-up circuit further comprises: the first starting switch and the second starting switch are arranged in parallel between the live wire and the first end point, and the first starting switch and the second starting switch are connected in parallel with the contact switch of the first relay and are used for starting the motor starting circuit.
In one possible embodiment, the motor start-up circuit further comprises: the change-over switch is connected with the first starting switch and the second starting switch and is used for selecting one of the first starting switch and the second starting switch to start the motor starting circuit.
In one possible embodiment, the motor start-up circuit further comprises: the first closing switch and the second closing switch are arranged in series between the first endpoint and the zero line and used for closing the motor starting circuit.
In one possible embodiment, the circulation system further comprises: the outer side of the second circulating pump is coated with a jacket;
the second auxiliary pipeline is internally provided with a second medium, the second medium flows in from an inlet of the second auxiliary pipeline, flows through a jacket at the outer side of the second circulating pump and flows out from an outlet of the second auxiliary pipeline, and the second auxiliary pipeline is used for cooling or heating the second circulating pump;
the second switch valve is arranged on the second auxiliary pipeline and is used for controlling the on and off of the second auxiliary pipeline;
the electrode of the second switch valve is connected with a motor starting circuit of the second circulating pump, so that the conduction of the second auxiliary pipeline is synchronous with the starting of the second circulating pump.
In one possible embodiment, the first medium is the same as the second medium, and the first auxiliary line is in communication with the second auxiliary line.
In one possible embodiment, the circulation system further comprises: the main pipeline is internally provided with a third medium, and comprises a first branch and a second branch which are arranged in parallel, wherein the first circulating pump is positioned on the first branch, and the second circulating pump is positioned on the second branch; the third medium flows in from the inlet of the main pipeline, flows through the first branch and the second branch respectively, and flows out from the outlet of the main pipeline.
The embodiment of the utility model provides a circulating system, which comprises a first circulating pump, wherein the outer side of the first circulating pump is coated with a jacket; the first auxiliary pipeline is internally provided with a first medium, the first medium flows in from an inlet of the first auxiliary pipeline, flows through a jacket at the outer side of the first circulating pump and flows out from an outlet of the first auxiliary pipeline, and the first auxiliary pipeline is used for cooling or heating the first circulating pump; the first switch valve is arranged on the first auxiliary pipeline and is used for controlling the on and off of the first auxiliary pipeline; the electrode of the first switch valve is connected with a motor starting circuit of the first circulating pump, so that the conduction of the first auxiliary pipeline is synchronous with the starting of the first circulating pump. Therefore, when the motor of the first circulating pump is started, the first switch valve is turned on, so that the first medium in the first auxiliary pipeline heats or cools the first circulating pump, when the motor of the first circulating pump is turned off, the first switch valve is turned off, and the first auxiliary pipeline is turned off, so that resources can be saved. Compared with the control mode of the switch valve in the prior art, the control of the first switch valve in the novel switch valve control system is simpler and more intelligent, and the cost can be reduced.
Drawings
Further details, features and advantages of the utility model are disclosed in the following description of exemplary embodiments with reference to the following drawings, in which:
FIG. 1 is a schematic diagram of a circulation system according to an exemplary embodiment of the present utility model;
fig. 2 is a schematic diagram of a motor starting circuit according to an exemplary embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the utility model is susceptible of embodiment in the drawings, it is to be understood that the utility model may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided to provide a more thorough and complete understanding of the utility model. It should be understood that the drawings and embodiments of the utility model are for illustration purposes only and are not intended to limit the scope of the present utility model.
It should be understood that the various steps recited in the method embodiments of the present utility model may be performed in a different order and/or performed in parallel. Furthermore, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the utility model is not limited in this respect.
The term "including" and variations thereof as used herein are intended to be open-ended, i.e., including, but not limited to. The term "based on" is based at least in part on. 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. Related definitions of other terms will be given in the description below. It should be noted that the terms "first," "second," and the like herein are merely used for distinguishing between different devices, modules, or units and not for limiting the order or interdependence of the functions performed by such devices, modules, or units.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those skilled in the art will appreciate that "one or more" is intended to be construed as "one or more" unless the context clearly indicates otherwise.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Fig. 1 is a schematic diagram of a circulation system according to an exemplary embodiment of the present utility model, and fig. 2 is a schematic diagram of a motor starting circuit according to an exemplary embodiment of the present utility model.
As shown in fig. 1 and 2, the circulation system comprises a first circulation pump 10, and the outside of the first circulation pump 10 is coated with a jacket 11; a first auxiliary pipe 20 having a first medium therein, the first medium flowing from an inlet 21 of the first auxiliary pipe 20, through a jacket 11 outside the first circulation pump, and out an outlet 22 of the first auxiliary pipe 20, the first auxiliary pipe 20 for cooling or heating the first circulation pump 10; the first switch valve 30 is arranged on the first auxiliary pipeline 20, and the first switch valve 30 is used for controlling the on and off of the first auxiliary pipeline 20; the electrode of the first switching valve 30 is connected to a motor start circuit of the first circulation pump 10, so that the first auxiliary line 20 is turned on in synchronization with the start of the first circulation pump 10. Fig. 2 is a schematic diagram of a motor starting circuit, where an electrode of the first switching valve 30 is electrically connected to the terminal 101 and the terminal 102, so that when the motor starting circuit is electrically conducted, the electrode of the first switching valve 30 is electrically conducted to conduct the first auxiliary pipeline 20, so that the first medium flows through the jacket 11 outside the first circulating pump 10, and the first circulating pump 10 is subjected to heating or cooling treatment. In this way, the first switch valve provided by the embodiment of the disclosure does not need an additional control member to control, can be started along with the starting of the motor, is closed along with the closing of the motor, and can reduce the control cost.
In one embodiment, the first medium is specifically cooling water, and the first circulation pump 10 is cooled by the cooling water.
In one embodiment, the first switch valve is a normally closed electromagnetic valve, and the normally closed electromagnetic valve is kept in a closed state when the electrode is not powered, and the first auxiliary pipeline is also in the closed state; when the electrode is electrified, the normally-closed electromagnetic valve is converted into a conducting state from a closed state, at the moment, the first auxiliary pipeline is conducted, and a first medium can flow through the jacket of the first circulating pump, so that the first circulating pump can be subjected to heating and cooling treatment.
With continued reference to fig. 2, the motor start circuit includes a first relay KA1 located between the hot line L and the neutral line N, the motor start circuit having a first end 105 therein, the coil of the first relay being located between the first end 105 and the neutral line N, and the contact switch of the first relay KA1 being located between the hot line L and the first end 105.
The motor starting circuit further comprises a first starting switch SB1 and a second starting switch DCS1, wherein the first starting switch SB1 and the second starting switch DCS1 are connected in parallel between the live wire and the first end point 105 and are connected in parallel with the contact switch of the first relay KA1, and are used for starting the motor starting circuit. The first starting switch SB1 is a pneumatic switch, and after being closed, the vertical horse automatically bounces off, the first starting switch SB1 can be positioned on an operation column (not shown) on the site, an operator can operate on the site, the second starting switch DCS1 can be positioned in a control room, and the operator can operate remotely. When an operator closes the first starting switch SB1, the coil of the first relay KA1 is electrified, so that the contact switch of the first relay KA1 is closed, and when the first starting switch SB1 is sprung open, current can also pass through the contact switch of the first relay KA1 and the coil of the first relay KA1 to be conducted, so that the first end point 105 is electrified, and the electrode of the first switching valve is electrified.
The terminal 101 is connected to the first terminal 105, and the terminal 102 is connected to the zero line N, so that one electrode of the first switching valve is connected to the first terminal 105 and the other electrode of the first switching valve is connected to the zero line N.
In one embodiment, the motor start-up circuit further comprises: and the change-over switch SA is connected with the first starting switch SB1 and the second starting switch DCS1, and is used for selecting one of the first starting switch SB1 and the second starting switch DCS1 to start the motor starting circuit. Specifically, the changeover switch SA includes terminals 1, 2, 3, 4, and when the terminal 1 and the terminal 2 are connected, the first start switch SB1 can start the motor start circuit; when terminal 3 and terminal 4 are connected, the second start switch DCS1 may start the motor start circuit.
In one embodiment, the motor start-up circuit further comprises: the first closing switch SB2 and the second closing switch DCS2 are arranged in series between the first terminal 105 and the zero line N for closing the motor starting circuit. Specifically, the first switch SB2 may be located on an operation column on the site, an operator may operate on the site, the second switch DCS2 may be located in a control room, and an operator may remotely operate.
It should be noted that other components may be provided in the motor starting circuit, and will not be described here.
The electrode of the first switch valve disclosed by the embodiment of the utility model is connected with the motor starting circuit, so that the conduction of the first auxiliary pipeline is synchronous with the starting of the first circulating pump, the control part of the first switch valve is saved, and the cost is reduced.
With continued reference to fig. 1, in one embodiment, the circulation system further includes: a second circulation, 40, wherein the outer side of the second circulation pump 40 is covered with a jacket 41; a second auxiliary pipe 50 having a second medium therein, the second medium flowing in from an inlet 51 of the second auxiliary pipe 50, flowing through a jacket 41 outside the second circulation pump 40, and flowing out from an outlet 52 of the second auxiliary pipe 50, the second auxiliary pipe 50 being for cooling or heating the second circulation pump 40; the second switch valve 60 is disposed on the second auxiliary pipeline 50, and the second switch valve 60 is used for controlling the second auxiliary pipeline 50 to be turned on and off; the electrode of the second switching valve 60 is connected to a motor start circuit of the second circulation pump, so that the second auxiliary line 50 is conducted in synchronization with the start of the second circulation pump 40.
In a specific embodiment, the first medium and the second medium are the same, e.g., both may be water; the first auxiliary pipeline is communicated with the second auxiliary pipeline, namely, the inlet of the first auxiliary pipeline is communicated with the inlet of the second auxiliary pipeline, the outlet of the first auxiliary pipeline is communicated with the outlet of the second auxiliary pipeline, and if the first switch valve and the second switch valve are not present, the first medium and the second medium can always circulate in the first auxiliary pipeline and the second auxiliary pipeline no matter whether the first circulating pump and the second circulating pump are started or not, so that water resources are wasted. The first switch valve and the second switch valve are respectively connected with a motor starting circuit of the first circulating pump and a motor starting circuit of the second circulating pump, so that the conduction of the first switch valve and the second switch valve can be synchronous with the opening of the first circulating pump and the second circulating pump.
In one embodiment, the circulation system further comprises: a main pipeline 70 having a third medium therein, wherein the main pipeline 70 includes a first branch 73 and a second branch 74 which are arranged in parallel, the first circulating pump 10 is located on the first branch 73, and the second circulating pump 40 is located on the second branch 74; the third medium flows in from the inlet 71 of the main conduit, flows through the first branch 73 and the second branch 74, respectively, and flows out from the outlet 72 of the main conduit. The third medium is a working medium of the first circulation pump 10 and the second circulation pump 40, and may be water or other substances. In general, the first circulation pump 10 and the second circulation pump 40 are used as backup pumps, that is, when the first circulation pump 10 is operated, the second circulation pump 40 is in an inactive state, and when the second circulation pump 40 is operated, the first circulation pump 10 is in an inactive state.
The above description is only illustrative of some embodiments of the utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the disclosure referred to in the present utility model is not limited to the specific combinations of technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the spirit of the disclosure. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (10)
1. A circulation system, comprising:
the outer side of the first circulating pump is coated with a jacket;
the first auxiliary pipeline is internally provided with a first medium, the first medium flows in from an inlet of the first auxiliary pipeline, flows through a jacket at the outer side of the first circulating pump and flows out from an outlet of the first auxiliary pipeline, and the first auxiliary pipeline is used for cooling or heating the first circulating pump;
the first switch valve is arranged on the first auxiliary pipeline and is used for controlling the on and off of the first auxiliary pipeline;
the electrode of the first switch valve is connected with a motor starting circuit of the first circulating pump, so that the conduction of the first auxiliary pipeline is synchronous with the starting of the first circulating pump.
2. The circulation system of claim 1, wherein the first switching valve is a normally closed solenoid valve.
3. The circulation system of claim 1, wherein the motor start circuit includes a first relay positioned between the hot and neutral wires, the motor start circuit having a first end point therein, a coil of the first relay being positioned between the first end point and the neutral wire, a contact switch of the first relay being positioned between the hot and first end points.
4. A circulation system according to claim 3, wherein one electrode of the first switching valve is connected to the first end point and the other electrode of the first switching valve is connected to the zero line.
5. A circulation system according to claim 3, wherein the motor start-up circuit further comprises: the first starting switch and the second starting switch are arranged in parallel between the live wire and the first end point, and the first starting switch and the second starting switch are connected in parallel with the contact switch of the first relay and are used for starting the motor starting circuit.
6. The circulation system of claim 5, wherein the motor start-up circuit further comprises: the change-over switch is connected with the first starting switch and the second starting switch and is used for selecting one of the first starting switch and the second starting switch to start the motor starting circuit.
7. The circulation system of claim 5, wherein the motor start-up circuit further comprises: the first closing switch and the second closing switch are arranged in series between the first endpoint and the zero line and used for closing the motor starting circuit.
8. The circulation system of claim 1, further comprising: the outer side of the second circulating pump is coated with a jacket;
the second auxiliary pipeline is internally provided with a second medium, the second medium flows in from an inlet of the second auxiliary pipeline, flows through a jacket at the outer side of the second circulating pump and flows out from an outlet of the second auxiliary pipeline, and the second auxiliary pipeline is used for cooling or heating the second circulating pump;
the second switch valve is arranged on the second auxiliary pipeline and is used for controlling the on and off of the second auxiliary pipeline;
the electrode of the second switch valve is connected with a motor starting circuit of the second circulating pump, so that the conduction of the second auxiliary pipeline is synchronous with the starting of the second circulating pump.
9. The circulation system of claim 8, wherein the first medium is the same as the second medium, and the first auxiliary line communicates with the second auxiliary line.
10. The circulation system of claim 8, further comprising: the main pipeline is internally provided with a third medium, and comprises a first branch and a second branch which are arranged in parallel, wherein the first circulating pump is positioned on the first branch, and the second circulating pump is positioned on the second branch; the third medium flows in from the inlet of the main pipeline, flows through the first branch and the second branch respectively, and flows out from the outlet of the main pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223216330.3U CN218971407U (en) | 2022-11-30 | 2022-11-30 | Circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223216330.3U CN218971407U (en) | 2022-11-30 | 2022-11-30 | Circulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218971407U true CN218971407U (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223216330.3U Active CN218971407U (en) | 2022-11-30 | 2022-11-30 | Circulation system |
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| Country | Link |
|---|---|
| CN (1) | CN218971407U (en) |
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2022
- 2022-11-30 CN CN202223216330.3U patent/CN218971407U/en active Active
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