CN211397846U - Compressor assembly - Google Patents
Compressor assembly Download PDFInfo
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- CN211397846U CN211397846U CN201922116254.0U CN201922116254U CN211397846U CN 211397846 U CN211397846 U CN 211397846U CN 201922116254 U CN201922116254 U CN 201922116254U CN 211397846 U CN211397846 U CN 211397846U
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- compression cylinder
- compressor assembly
- valve
- piston rod
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Abstract
The utility model provides a compressor unit spare, include: the compression cylinder is internally provided with a piston rod; the position sensor is arranged in the compression cylinder and used for sensing the position information of the piston rod so as to control the opening or closing of an inlet valve of the compression cylinder according to the position information of the piston rod, and the problem that the compressor in the prior art is low in operation efficiency is solved.
Description
Technical Field
The utility model relates to a compressor field particularly, relates to a compressor unit spare.
Background
The reciprocating compressor is a compressor which periodically changes the volume of a cylinder body through the reciprocating motion of a piston or a diaphragm in a cylinder and realizes the pressurization and the delivery of gas.
The cylinder in the existing reciprocating two-stroke compressor has clearance volume, and the high-temperature and high-pressure gas after each compression has allowance which is not completely removed, so the work amount of the allowance gas by the compressor is not effectively utilized, and the running efficiency of the compressor is low.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a compressor assembly to solve the problem of low operating efficiency of compressors in the prior art.
In order to achieve the above object, the present invention provides a compressor assembly, including: the compression cylinder is internally provided with a piston rod; and the position sensor is arranged in the compression cylinder and used for sensing the position information of the piston rod so as to control the opening or closing of an inlet valve of the compression cylinder according to the position information of the piston rod.
Further, the compressor assembly has an intake passage communicating with the compression cylinder, the compressor assembly further comprising: and a pressurizing device provided at an air inlet of the air intake passage for increasing a pressure of the gas discharged into the compression cylinder.
Further, the pressurizing device is an air ejector.
Further, the compression cylinder has a discharge gate, and the compressor assembly further includes: and the inlet valve and the outlet valve are connected with the control device so as to control the opening or closing of the inlet valve and the outlet valve through the control device, and the position sensor is connected with the control device.
Further, the compressor assembly further includes: and the air inlet control valve is connected with the air inlet valve so as to control the opening or closing of the air inlet valve through the air inlet control valve, and is connected with the control device.
Further, the compressor assembly further includes: and the air outlet control valve is connected with the air outlet valve so as to control the opening or closing of the air outlet valve through the air outlet control valve, and is connected with the control device.
Further, the compressor assembly further includes: and the flow sensor is arranged in the compression cylinder to detect the gas flow in the compression cylinder.
Further, the compressor assembly further includes: and the first pressure sensor is arranged in the compression cylinder.
Further, the compressor assembly has an intake passage communicating with the compression cylinder, the compressor assembly further comprising: and a second pressure sensor installed in the intake passage.
Further, the compressor assembly has an air outlet passage in communication with the compression cylinder, the compressor assembly further comprising: and the third pressure sensor is arranged in the air outlet channel.
Use the technical scheme of the utility model, compressor unit spare includes compression cylinder and position sensor, wherein, is provided with the piston rod in the compression cylinder, and position sensor sets up in compression cylinder for the positional information of response piston rod, with according to opening or closing of the position information control compression cylinder's of piston rod(s) (air) intake valve. The structure is simple and convenient to implement, the gas in the compression cylinder is discharged as far as possible by controlling the opening time or closing time of the inlet valve, the gas in the clearance volume is reduced, and the work efficiency of the compressor is improved.
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:
figure 1 shows a schematic structural view of an embodiment of a compressor assembly according to the present invention;
fig. 2 shows a flow chart of a control method of a compressor according to the present invention.
Wherein the figures include the following reference numerals:
1. a compression cylinder; 2. a piston rod; 3. an air intake passage; 4. and an air outlet channel.
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.
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.
The utility model provides a compressor unit spare, please refer to fig. 1 and show, include: the compression cylinder 1 is internally provided with a piston rod 2; and a position sensor provided in the compression cylinder 1 for sensing position information of the piston rod 2 to control opening or closing of an intake valve of the compression cylinder 1 according to the position information of the piston rod 2.
According to the utility model provides a compressor assembly, including compression cylinder 1 and position sensor, wherein, be provided with piston rod 2 in the compression cylinder 1, position sensor sets up in compression cylinder 1 for the positional information of response piston rod 2, with according to opening or closing of the (air) intake valve of piston rod 2's positional information control compression cylinder 1. The structure is simple and convenient to implement, the gas in the compression cylinder is discharged as far as possible by controlling the opening time or closing time of the inlet valve, the gas in the clearance volume is reduced, and the work efficiency of the compressor is improved.
Specifically, the compressor assembly has an intake passage 3 communicating with the compression cylinder 1, and the compressor assembly further includes: and a pressurizing means provided at an air inlet of the intake passage 3 for increasing a pressure of the gas discharged into the compression cylinder. The setting can prevent that gas from flowing backward when the (air) intake valve is opened like this, utilizes the high-pressure gas that the (air) intake valve got into, discharges the gas in the compression cylinder as much as possible by the gas outlet valve to improve compression cylinder's operating efficiency.
In an embodiment of the present invention, the pressurizing device is an air ejector.
The compression cylinder 1 has outlet valves, and the compressor assembly further comprises: and the inlet valve and the outlet valve are connected with the control device so as to control the opening or closing of the inlet valve and the outlet valve through the control device, and the position sensor is connected with the control device. The position sensor transmits the sensed position information of the piston rod to the control device, and the control device controls the opening or closing of the air inlet valve and the air outlet valve.
Specifically, the compressor assembly further includes: and the air inlet control valve is connected with the air inlet valve so as to control the opening or closing of the air inlet valve through the air inlet control valve, and is connected with the control device. The compressor assembly further includes: and the air outlet control valve is connected with the air outlet valve so as to control the opening or closing of the air outlet valve through the air outlet control valve, and is connected with the control device.
The compressor assembly further includes: and a flow sensor provided in the compression cylinder 1 to detect a gas flow rate in the compression cylinder 1. So as to detect the total amount of gas flowing through the compression cylinder in real time by the flow sensor.
In a specific implementation, the compressor assembly further comprises: and a first pressure sensor installed in the compression cylinder 1. The pressure in the compression cylinder 1 is monitored in real time by means of a first pressure sensor.
The compressor assembly has an intake passage 3 communicating with the compression cylinder 1, and further comprises: and a second pressure sensor installed in the intake passage 3. The pressure of the intake gas is detected by the second pressure sensor.
The compressor assembly has an outlet passage 4 communicating with the compression cylinder 1, and further comprises: and a third pressure sensor installed in the air outlet passage 4. The pressure of the gas is discharged through the third pressure sensor, and the pressure in the compression cylinder is guaranteed to be stable through mutual matching among the first pressure sensor, the second pressure sensor and the third pressure sensor, so that the pressure in the compression cylinder is prevented from being too high.
The utility model also provides a control method of compressor, the compressor unit spare that is applicable to above-mentioned embodiment, include: detecting position information of a piston rod of the compressor assembly; and controlling the opening or closing of an inlet valve of the compressor assembly according to the position information of the piston rod.
The control method of the compressor further includes: when the air outlet valve is opened and the piston rod runs to a first preset position, controlling the air inlet valve to be opened, wherein the first preset position is a position relatively close to the air inlet valve; and when the air outlet valve is closed and the piston rod runs to a second preset position, controlling the air inlet valve to be closed, wherein the second preset position is a position relatively far away from the air inlet valve.
The pressure of the gas entering the compression cylinder is increased while the intake valve is controlled to open.
The pressure increase into the compression cylinder is stopped while the intake valve is controlled to be closed.
The control method of the compressor further includes: when the pressure in the compression cylinder of the compressor assembly reaches a preset pressure value, the pressurization in the compression cylinder is stopped, so that the pressure in the compression cylinder is maintained at the preset pressure value.
In the specific using process, gas enters the compression cylinder through the intake valve, the flow sensor detects the gas flow, and meanwhile, when the position sensor detects that the piston moves to reach a first preset position, the control device controls the intake valve to be opened, the exhaust valve is not completely closed at the moment, the intake valve is kept in an open state, and when the piston rod moves to a second preset position, the intake valve is kept in the open state and continues to intake air into the compression cylinder; when the piston rod continues to move until the piston rod moves to the first preset position, the air inlet valve is closed, the air inlet valve is opened in advance and closed in a delayed mode, and the air inflow in the compression cylinder is increased, so that the compressor can do work on more working media at the same time, the performance and the energy of the compressor are improved, and the operation efficiency is improved.
When the air compression cylinder is used specifically, the air inlet valve is opened in advance, the air in the compression cylinder can give a large pressure resistance to the air flowing into the air inlet valve, the pressurizing device is opened when the air inlet valve is opened by arranging the pressurizing device, and when the piston rod runs to the top dead center, the pressurizing device is controlled to be closed by the position sensor conducting signal, so that the air flow vortex formed in the air cylinder is prevented from increasing the load of the air cylinder. When it is stated herein, the piston rod has a moving stroke of moving up and down during the up and down movement in the compression cylinder, the piston rod is at the top dead center when moving to the top of the compression cylinder, the piston rod is at the bottom dead center when moving to the bottom of the compression cylinder, the first predetermined position is at a position close to the top dead center, and the second predetermined position is at a position close to the bottom dead center. When the first preset position and the second preset position are set, the relation between the opening time and the closing time of the air inlet valve and the position of the piston rod is determined through software simulation, and the displacement of the first preset position and the position of the second preset position confirmed through the software simulation are moved into and out of the position sensor, so that the position information of the piston rod is precisely controlled. In addition, the injection pressure of the air injector needs to be determined in advance, and the injection pressure of the air injector needs to be larger than the pressure of the gas in the compression cylinder when the intake valve is opened. By opening the inlet valve in advance, the compression stroke is improved, the compression ratio is increased, and the work is increased; meanwhile, the change of the compression ratio can be realized by adjusting the opening time of the intake valve, and convenience is provided for the adjustment of the working condition in the compressor.
As shown in fig. 2, after the piston rod starts to operate, firstly, the intake valve is opened, meanwhile, the exhaust valve is opened, whether the piston rod operates to the bottom dead center is detected, when the piston rod does not operate to the bottom dead center, the position sensor keeps the initial state, and the first pressure sensor detects the pressure in the compression cylinder until the piston rod operates to the second preset position; when the piston rod moves to the bottom dead center, the position sensor starts to work, the air inlet valve is closed after the piston rod reaches the second preset position, then the compression air cylinder exhausts air through the air outlet valve after reaching the corresponding pressure, and when the piston rod moves to the first preset position, the air inlet valve is opened; and after the piston rod runs to the top dead center, the air inlet valve is closed.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
according to the utility model provides a compressor assembly, including compression cylinder 1 and position sensor, wherein, be provided with piston rod 2 in the compression cylinder 1, position sensor sets up in compression cylinder 1 for the positional information of response piston rod 2, with according to opening or closing of the (air) intake valve of piston rod 2's positional information control compression cylinder 1. The structure is simple and convenient to implement, the gas in the compression cylinder is discharged as far as possible by controlling the opening time or closing time of the inlet valve, the gas in the clearance volume is reduced, and the work efficiency of the compressor is improved.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
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.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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 compressor assembly, comprising:
the compression cylinder (1), a piston rod (2) is arranged in the compression cylinder (1);
the position sensor is arranged in the compression cylinder (1) and used for sensing the position information of the piston rod (2) so as to control the opening or closing of an inlet valve of the compression cylinder (1) according to the position information of the piston rod (2).
2. The compressor assembly according to claim 1, having an intake passage (3) communicating with the compression cylinder (1), the compressor assembly further comprising:
-pressurising means arranged at the air inlet of the air intake channel (3) for increasing the pressure of the gas discharged into the compression cylinder.
3. The compressor assembly of claim 2, wherein the pressure device is an air ejector.
4. Compressor assembly, in accordance with claim 1, characterized in that said compression cylinder (1) has outlet valves, said compressor assembly further comprising:
the inlet valve and the outlet valve are connected with the control device so as to control the opening or closing of the inlet valve and the outlet valve through the control device, and the position sensor is connected with the control device.
5. The compressor assembly of claim 4, further comprising:
and the air inlet control valve is connected with the air inlet valve so as to control the opening or closing of the air inlet valve through the air inlet control valve, and the air inlet control valve is connected with the control device.
6. The compressor assembly of claim 4, further comprising:
and the air outlet control valve is connected with the air outlet valve so as to control the opening or closing of the air outlet valve through the air outlet control valve, and the air outlet control valve is connected with the control device.
7. The compressor assembly of claim 1, further comprising:
a flow sensor arranged in the compression cylinder (1) to detect the gas flow in the compression cylinder (1).
8. The compressor assembly of claim 1, further comprising:
a first pressure sensor mounted within the compression cylinder (1).
9. The compressor assembly according to claim 1, having an intake passage (3) communicating with the compression cylinder (1), the compressor assembly further comprising:
a second pressure sensor mounted in the intake passage (3).
10. The compressor assembly according to claim 1, having an outlet channel (4) communicating with the compression cylinder (1), the compressor assembly further comprising:
a third pressure sensor mounted within the outlet channel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922116254.0U CN211397846U (en) | 2019-11-28 | 2019-11-28 | Compressor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922116254.0U CN211397846U (en) | 2019-11-28 | 2019-11-28 | Compressor assembly |
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| Publication Number | Publication Date |
|---|---|
| CN211397846U true CN211397846U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922116254.0U Active CN211397846U (en) | 2019-11-28 | 2019-11-28 | Compressor assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115006827A (en) * | 2022-08-09 | 2022-09-06 | 澳瑞特体育产业股份有限公司 | Exercise load acquisition device and method and air resistance fitness training equipment |
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2019
- 2019-11-28 CN CN201922116254.0U patent/CN211397846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115006827A (en) * | 2022-08-09 | 2022-09-06 | 澳瑞特体育产业股份有限公司 | Exercise load acquisition device and method and air resistance fitness training equipment |
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