CN210599359U - Control system and compressor with same - Google Patents

Control system and compressor with same Download PDF

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Publication number
CN210599359U
CN210599359U CN201921208437.9U CN201921208437U CN210599359U CN 210599359 U CN210599359 U CN 210599359U CN 201921208437 U CN201921208437 U CN 201921208437U CN 210599359 U CN210599359 U CN 210599359U
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China
Prior art keywords
gas
pipeline assembly
pressure
control system
air
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CN201921208437.9U
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Chinese (zh)
Inventor
刘东杰
张永垒
高月欣
陈阁
吴雷朋
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CRRC Qingdao Sifang Co Ltd
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CRRC Qingdao Sifang Co Ltd
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Abstract

The utility model provides a control system and have its compressor, this control system controls pressure switch's switching through what pressure switch mounted position front end installed the area side and airs exhaust cuts the cock additional on the pipeline, and then opens of control air compressor machine and stop, replaces electrical control with mechanical control, the utility model discloses simplify the circuit, increased the reliability of control, solved the problem of the inconvenient detection of air compressor's of prior art overflow valve.

Description

Control system and compressor with same
Technical Field
The utility model relates to an air compressor technical field particularly, relates to a control system and have its compressor.
Background
When an air supply system test is carried out on an air compressor (hereinafter referred to as an air compressor), the opening and closing pressure of an overflow valve needs to be tested, the air compressor needs to be forced to be started, and the existing air compressor is designed, and before the opening pressure of the overflow valve is reached, a pressure switch is disconnected firstly to close the air compressor, so that the overflow valve cannot be tested.
In order to solve the problem, in the prior art, the air compressor forced air pumping control is arranged besides the pressure switch control, an independent control circuit is added, however, the addition of a new control circuit not only makes the original control system more complicated in circuit and improves the cost, but also reduces the reliability of the whole air compressor control system.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a control system and have its compressor to solve the inconvenient problem that detects of air compressor's overflow valve among the prior art.
In order to achieve the above object, according to an aspect of the present invention, there is provided a control system for controlling an air compressor, the control system including: the gas transmission pipeline assembly is communicated with the air compressor to output gas compressed by the air compressor; the first pipeline assembly is communicated with the gas transmission pipeline assembly; the pressure switch is arranged on the first pipeline assembly and connected with the air compressor, so that when the gas pressure in the first pipeline assembly reaches a first preset pressure, the pressure switch controls the air compressor to be closed, and compressed gas is stopped being conveyed into the gas conveying pipeline assembly; when the gas pressure in the first pipeline assembly reaches a second preset pressure, the pressure switch controls the starting of the air compressor so as to convey the compressed gas into the gas transmission pipeline assembly; the first overflow valve is arranged on the gas transmission pipeline assembly and is used for opening and discharging gas in the gas transmission pipeline assembly when the gas pressure in the gas transmission pipeline assembly reaches a third preset pressure; the first cutoff cock is arranged on the first pipeline assembly between the pressure switch and the first overflow valve, so that when the gas pressure in the first pipeline assembly reaches a first preset pressure, the gas in the first pipeline assembly communicated to the pressure switch is cut off, and the gas in the first pipeline assembly between the first cutoff cock and the pressure switch is released.
Further, the first shutoff valve is provided with an air outlet so as to open and exhaust when the gas pressure in the first pipeline assembly at the pressure switch reaches a first preset pressure.
Further, the control system further comprises: the second pipeline assembly is communicated with the gas transmission pipeline assembly and is connected with the first pipeline assembly in parallel so as to guide gas in the gas transmission pipeline assembly to gas equipment or gas storage equipment.
Further, the control system further comprises a second cut-off cock which is arranged on the gas transmission pipeline assembly and used for cutting off gas leading to the first pipeline assembly and gas leading to the second pipeline assembly in the gas transmission pipeline assembly.
Further, the control system further comprises: the second overflow valve is arranged on the gas transmission pipeline assembly between the air compressor and the first overflow valve and is started to discharge gas in the gas transmission pipeline assembly when the gas pressure in the gas transmission pipeline assembly reaches a fourth preset pressure, wherein the fourth preset pressure is greater than the third preset pressure.
Further, the control system further comprises: the filter is arranged on the gas transmission pipeline assembly and used for separating moisture and oil in the compressed gas in the gas transmission pipeline assembly.
Further, the control system further comprises: and the main air cylinder assembly is arranged on the air transmission pipeline assembly between the first overflow valve and the first cut-off cock so as to be used for storing the gas compressed by the air compressor.
Further, the gas pipeline assembly includes: and an air hose is arranged between every two adjacent pipelines and is used for connecting the two adjacent pipelines in series.
Further, the third preset pressure is greater than the first preset pressure, and the first preset pressure is greater than the second preset pressure.
According to another aspect of the present invention, there is provided an air compressor, comprising a control system, the control system being the above control system.
Use the technical scheme of the utility model the control system install the switching that cuts the cock comes control pressure switch that the area side was aired exhaust additional through pressure switch mounted position front end on the pipeline, and then control opening of air compressor machine stops, replaces electrical control with mechanical control, the utility model discloses simplify the circuit, increased the reliability of control.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic view of an embodiment of a control system of an air compressor according to the present invention.
Wherein the figures include the following reference numerals:
10. an air compressor; 20. a gas pipeline assembly; 201. an air hose; 21. a first overflow valve; 22. a second cutoff cock; 23. a second overflow valve; 24. a filter; 25. a main reservoir assembly; 30. a first conduit assembly; 31. a pressure switch; 32. a first shutoff plug; 40. a second conduit assembly.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides a control system for control air compressor 10, please refer to fig. 1, control system includes: the air pipeline assembly 20, the air pipeline assembly 20 communicates with the air compressor 10, in order to output the gas compressed by the air compressor 10; the first pipeline assembly 30, the first pipeline assembly 30 communicates with the gas pipeline assembly 20; the pressure switch 31 is arranged on the first pipeline assembly 30, the pressure switch 31 is connected with the air compressor 10, so that when the gas pressure in the first pipeline assembly 30 reaches a first preset pressure, the pressure switch 31 controls the air compressor 10 to be closed, and the compressed gas is stopped being conveyed into the gas pipeline assembly 20; when the gas pressure in the first pipeline assembly 30 reaches a second preset pressure, the pressure switch 31 is enabled to control the start of the air compressor 10 so as to deliver the compressed gas into the gas pipeline assembly 20; the first overflow valve 21 is arranged on the gas pipeline assembly 20, so that when the gas pressure in the gas pipeline assembly 20 reaches a third preset pressure, the first overflow valve 21 is opened and discharges the gas in the gas pipeline assembly 20; and a first shut-off cock 32, the first shut-off cock 32 being provided on the first pipe assembly 30 between the pressure switch 31 and the first relief valve 21 to shut off gas in the first pipe assembly 30 to the pressure switch 31 and release gas in the first pipe assembly 30 between the first shut-off cock 32 and the pressure switch 31 when the gas pressure in the first pipe assembly 30 reaches a first preset pressure.
The utility model provides a control system sets up on air compressor 10, start stopping with control air compressor, this control system includes gas transmission pipeline subassembly 20 and first pipeline subassembly 30, and first overflow valve 21 and pressure switch 31 and the first shutoff cock 32 of setting on first pipeline subassembly 30 of setting on gas transmission pipeline subassembly 20, the air compressor machine is connected with gas transmission pipeline subassembly 20 in order to export the gas after the compression in the gas transmission pipeline subassembly 20, first pipeline subassembly 30 and gas transmission pipeline subassembly intercommunication, pressure in its pipeline is also the same, when pressure sensor detects pressure in first pipeline subassembly 30 or the gas transmission pipeline subassembly and reaches first preset pressure, pipeline internal pressure was too high this moment, pressure switch 31 control is closed the air compressor machine so that the air compressor machine stops to export gas transmission pipeline subassembly internal gas, avoid the pressure in the pipeline to continue to increase, pressure in detecting first pipeline subassembly 30 or the gas transmission pipeline subassembly when pressure sensor drops to the second and presets pressure When the pressure is higher than the first preset pressure, the pressure switch controls the air compressor to be started so that the air compressor continues to output compressed air into the air transmission pipeline assembly, and the air pressure in the air transmission pipeline assembly is maintained within the range between the second preset pressure and the first preset pressure. In the control system of the air compressor, the opening pressure of the first overflow valve, namely the third preset pressure, is greater than the first preset pressure, so that the pressure in the air transmission pipeline assembly cannot reach the third preset pressure during normal use, and the first overflow valve cannot be tested, in the application, in order to test the reliability of the first overflow valve 21, a first cutoff valve is arranged on a pipeline in front of a pressure switch 31, when the gas pressure in the pipeline reaches the first preset pressure, the pressure switch 31 closes the air compressor, at the moment, the first cutoff valve is closed to cut off the gas led to the pressure switch, and the gas between the first cutoff valve and the pressure switch is released, so that the gas pressure in the pipeline at the pressure switch is reduced to the second preset pressure, and the pressure switch restarts the air compressor to continuously input the gas into the air transmission pipeline assembly until the third preset pressure, whether detect first overflow valve and open the exhaust this moment, this application is through setting up the first shutoff cock of taking the crosswind in order to detect the overflow valve on the air compressor machine, simple structure, and easy operation is higher than the reliability of circuit system control.
The first shutoff cock 32 is provided with an air discharge port to open and discharge air when the pressure of the gas in the first piping assembly 30 at the pressure switch 31 reaches a first preset pressure.
The first shutoff cock 32 in this embodiment is further provided with side exhaust air, when the gas pressure in the first pipeline assembly 30 reaches a first preset pressure, the pressure switch closes the air compressor, at this time, the first shutoff cock 32 is opened, and the side exhaust air is opened to discharge the gas in the first pipeline assembly, so that the gas in the first pipeline is reduced to a second preset pressure, at this time, the pressure switch controls the air compressor to restart, so as to continue to input compressed gas into the gas pipeline assembly, and thus the gas pressure in the gas pipeline assembly continues to increase until the third preset pressure.
The control system further comprises: the second pipeline assembly 40, the second pipeline assembly 40 and the gas pipeline assembly 20 intercommunication, the second pipeline assembly 40 sets up with first pipeline assembly 30 parallelly connected to be used for leading the gas in the gas pipeline assembly 20 with gas equipment or gas storage equipment.
The control system in this embodiment further includes a second pipeline assembly 40, the second pipeline assembly 40 is communicated with the gas pipeline assembly 20, the second pipeline assembly 40 is connected with a gas storage tank or other gas appliances, and the second pipeline assembly is connected with the first pipeline assembly in parallel.
The control system further comprises a second shut-off plug 22, the second shut-off plug 22 being arranged on the gas pipeline assembly 20 for shutting off gas in the gas pipeline assembly 20 leading to the first pipeline assembly 30 and gas in the gas pipeline assembly 40 leading to the second pipeline assembly 40.
In this embodiment, the control system is further provided with a second cut-off cock 22, and when the second cut-off cock 22 is closed, the gas transmission pipeline assembly can stop transmitting gas into the first pipeline assembly and the second pipeline assembly.
The control system further comprises: and the second overflow valve 23 is arranged on the gas pipeline assembly 20 between the air compressor 10 and the first overflow valve 21 so as to be started to discharge the gas in the gas pipeline assembly 20 when the gas pressure in the gas pipeline assembly 20 reaches a fourth preset pressure, wherein the fourth preset pressure is greater than the third preset pressure.
The control system in this embodiment further includes a second overflow valve 23, the second overflow valve 23 sets the pressure to exhaust when the gas in the pipeline reaches a fourth preset pressure, and when the second overflow valve 23 is detected, the first overflow valve is removed or closed, and the other operations are consistent with those when the first overflow valve is detected.
The control system further comprises: and the filter 24 is arranged on the gas transmission pipeline assembly 20 and is used for separating moisture and oil in the compressed gas in the gas transmission pipeline assembly 20. The control system further comprises: and the master reservoir assembly 25, wherein the master reservoir assembly 25 is arranged on the gas pipeline assembly 20 between the first overflow valve 21 and the first stop cock 32, and is used for storing gas compressed by the air compressor 10.
The control system in this embodiment still includes filter 24 and total reservoir, and the preferred oily water filter of filter to filter moisture or oil gas in the gas that the air compressor machine compressed back came out, the total reservoir subassembly is connected at the filter back, and total reservoir subassembly includes total reservoir, and total reservoir is used for the compressed gas of storage air compressor machine output, for reserve.
The gas pipeline assembly 20 includes: and a plurality of pipelines, wherein an air hose 201 is arranged between each adjacent pipeline, and the air hose 201 is used for connecting two adjacent pipelines in series.
The air pipe assembly 20 in this embodiment is divided into a plurality of pipes, and the plurality of pipes are connected by an air hose 201.
The third preset pressure is greater than the first preset pressure, and the first preset pressure is greater than the second preset pressure.
Preferably, the first preset pressure in this embodiment is 9.0bar, the second preset pressure is 6.7bar, the third preset pressure is 10.5bar, and the fourth preset pressure is 12 bar.
The utility model also provides an air compressor, including control system, control system is foretell control system.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model discloses a pressure switch mounted position front end installs the switching that cuts the cock that the area side was aired exhaust additional on the pipeline and comes control pressure switch, and then opens of control air compressor machine and stop, replaces electrical control with mechanical control, the utility model discloses simplify the circuit, increased the reliability of control.
When the air supply system is tested, the opening and closing pressure of the overflow valve is tested, the air compressor needs to be forced to be started, the original air compressor is forced to pump air to control outside the pressure switch, an independent control circuit is added, the complexity of a circuit is increased, the cost is high, and the reliability of control is reduced.
The control system of this application establishes the opening, closing of cutting cock control pressure switch at pressure switch front end pipeline additional, and then control opening, stopping of air compressor machine, has cancelled original one set of forced air feed control scheme, has practiced thrift the cost, has increased the reliability.
The utility model discloses an add at air compressor machine pressure control switch's front end pipeline and establish the switching that cuts the cock come artificial control pressure switch that the area side was aired exhaust, and then can control opening of air compressor machine and stop, reach the purpose of forced pump wind.
The control system of this application increases the shutoff cock that takes the side to exhaust before pressure switch, cuts off the cock and arranges pressure switch crosswind when arranging in the position of cutting off. And the mechanical control is used for replacing the electrical control, so that the circuit is simplified and the cost is saved.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A control system for controlling an air compressor (10), characterized in that it comprises:
the air transmission pipeline assembly (20), the air transmission pipeline assembly (20) is communicated with the air compressor (10) to output the air compressed by the air compressor (10);
the first pipeline component (30), the first pipeline component (30) is communicated with the gas pipeline component (20);
the pressure switch (31) is arranged on the first pipeline assembly (30), and the pressure switch (31) is connected with the air compressor (10) so that when the air pressure in the first pipeline assembly (30) reaches a first preset pressure, the pressure switch (31) controls the air compressor (10) to be closed to stop delivering compressed air into the air pipeline assembly (20); when the gas pressure in the first pipeline assembly (30) reaches a second preset pressure, the pressure switch (31) controls the starting of the air compressor (10) so as to convey compressed gas into the gas transmission pipeline assembly (20);
the first overflow valve (21) is arranged on the gas transmission pipeline assembly (20) and is used for opening and discharging gas in the gas transmission pipeline assembly (20) when the gas pressure in the gas transmission pipeline assembly (20) reaches a third preset pressure;
a first shutoff plug (32), the first shutoff plug (32) being provided on the first piping component (30) between the pressure switch (31) and the first relief valve (21) to shut off gas in the first piping component (30) to the pressure switch (31) and release gas in the first piping component (30) between the first shutoff plug (32) and the pressure switch (31) when the gas pressure in the first piping component (30) reaches the first preset pressure.
2. Control system according to claim 1, characterized in that the first shut-off cock (32) is provided with a vent to open and vent when the gas pressure in the first line assembly (30) at the pressure switch (31) reaches the first preset pressure.
3. The control system of claim 1, further comprising:
the gas pipeline assembly comprises a second pipeline assembly (40), the second pipeline assembly (40) is communicated with the gas pipeline assembly (20), and the second pipeline assembly (40) is connected with the first pipeline assembly (30) in parallel so as to be used for guiding gas equipment or gas storage equipment in the gas pipeline assembly (20).
4. A control system according to claim 3, characterized in that the control system further comprises a second shut-off plug (22), which second shut-off plug (22) is arranged on the gas pipeline assembly (20) for shutting off gas in the gas pipeline assembly (20) leading to the first pipeline assembly (30) and gas in the gas pipeline assembly (20) leading to the second pipeline assembly (40).
5. The control system of claim 1, further comprising:
the second overflow valve (23) is arranged on the gas pipeline assembly (20) between the air compressor (10) and the first overflow valve (21) and is started to discharge gas in the gas pipeline assembly (20) when the gas pressure in the gas pipeline assembly (20) reaches a fourth preset pressure, wherein the fourth preset pressure is larger than the third preset pressure.
6. The control system of claim 1, further comprising:
the filter (24), the filter (24) sets up on the gas transmission pipeline subassembly (20) to be used for separating moisture and oil content in the compressed gas in the gas transmission pipeline subassembly (20).
7. The control system of claim 1, further comprising:
the main air cylinder assembly (25) is arranged on the air pipeline assembly (20) between the first overflow valve (21) and the first cut-off cock (32) and used for storing the air compressed by the air compressor (10).
8. The control system of claim 1, wherein the gas delivery conduit assembly (20) comprises:
a plurality of pipelines, an air hose (201) is arranged between each adjacent pipeline, and the air hose (201) is used for connecting two adjacent pipelines in series.
9. The control system of claim 1, wherein the third predetermined pressure is greater than the first predetermined pressure, which is greater than the second predetermined pressure.
10. An air compressor comprising a control system, characterized in that the control system is the control system of any one of claims 1 to 9.
CN201921208437.9U 2019-07-29 2019-07-29 Control system and compressor with same Active CN210599359U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921208437.9U CN210599359U (en) 2019-07-29 2019-07-29 Control system and compressor with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921208437.9U CN210599359U (en) 2019-07-29 2019-07-29 Control system and compressor with same

Publications (1)

Publication Number Publication Date
CN210599359U true CN210599359U (en) 2020-05-22

Family

ID=70694599

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921208437.9U Active CN210599359U (en) 2019-07-29 2019-07-29 Control system and compressor with same

Country Status (1)

Country Link
CN (1) CN210599359U (en)

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