CN217898107U - Vacuum cleaning machine and compressed gas energy-saving system thereof - Google Patents
Vacuum cleaning machine and compressed gas energy-saving system thereof Download PDFInfo
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- CN217898107U CN217898107U CN202222325303.3U CN202222325303U CN217898107U CN 217898107 U CN217898107 U CN 217898107U CN 202222325303 U CN202222325303 U CN 202222325303U CN 217898107 U CN217898107 U CN 217898107U
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Abstract
The utility model discloses a compressed gas energy-saving system, which comprises a primary pressure reducing valve, a reversing valve, a secondary pressure reducing valve and a vacuum pump; the air inlet of the primary pressure reducing valve is communicated with a compressed air source; an A1 port of the reversing valve is communicated with an air outlet of the primary pressure reducing valve, an A2 port of the reversing valve is communicated with the vacuum pump, and a B port of the reversing valve is communicated with an air inlet of the secondary pressure reducing valve; the air outlet of the secondary pressure reducing valve is communicated with a sealing strip inflation groove of the vacuum cleaning machine; when the reversing valve works at the first station, the port A1 is communicated with the port B, and the port A2 is cut off; when the reversing valve works at the second station, the port A2 is communicated with the port B, and the port A1 is cut off. The utility model discloses can realize vacuum cleaner's sealing strip inflation tank's pressurize and pressure release control, reduce the compressed gas consumption simultaneously, prolong the life of pneumatic valve, prevent that deformation phenomenon from appearing in the sealing door. The utility model discloses still disclose a vacuum cleaner, its beneficial effect as above.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to compressed gas energy-saving system. The utility model discloses still relate to a vacuum cleaner.
Background
With the development of medical level, a wide variety of medical devices have been widely used.
The vacuum cleaning machine is a common cleaning device and is widely applied to various fields such as medical treatment and the like. A cleaning groove is arranged in the vacuum cleaning machine, and articles to be cleaned are placed in the cleaning groove for cleaning.
Vacuum cleaners typically use compressed air as the medium to drive the operation of pneumatic valves within the vacuum cleaner. When the vacuum cleaning machine is in operation, the sealing door needs to be kept in a closed state to guarantee the vacuum degree of the cleaning tank, compressed air is generally introduced into a sealing strip inflation groove of the vacuum cleaning machine, so that a sealing rubber strip filled in the sealing strip inflation groove is blown by air pressure to expand and is tightly abutted to the inner wall of the sealing door, the sealing door cannot move and is closed with an interface gap of the cleaning tank, and the vacuum degree is kept. When the sealing door needs to be opened, the compressed air in the sealing strip inflating groove is decompressed.
However, in the vacuum cleaning machine in the prior art, after the compressed gas is led out from the compressed gas source, the pressure is high, and the compressed gas is directly sent into the compressed gas control system of the vacuum cleaning machine without reasonable pressure reduction treatment, so that the consumption of the compressed gas is increased, the trend of energy conservation and emission reduction is not met, and the problems that the service life of a pneumatic valve is shortened, the sealing door is too compressed to deform and the like are caused when the vacuum cleaning machine is used for a long time.
Therefore, how to realize the pressure maintaining and pressure releasing control of the sealing strip inflation groove of the vacuum cleaning machine, and simultaneously reduce the consumption of compressed air, prolong the service life of the pneumatic valve and prevent the deformation phenomenon of the sealing door is a technical problem faced by technicians in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compressed gas economizer system can realize the pressurize and the pressure release control of vacuum cleaner's sealing strip inflation tank, reduces the compressed gas consumption simultaneously, prolongs the life of pneumatic valve, prevents that the deformation phenomenon from appearing in the sealing door. Another object of the utility model is to provide a vacuum cleaner.
In order to solve the technical problem, the utility model provides a compressed gas energy-saving system, which comprises a primary pressure reducing valve, a reversing valve, a secondary pressure reducing valve and a vacuum pump;
the air inlet of the primary pressure reducing valve is communicated with a compressed air source;
an A1 port of the reversing valve is communicated with an air outlet of the primary pressure reducing valve, an A2 port of the reversing valve is communicated with the vacuum pump, and a B port of the reversing valve is communicated with an air inlet of the secondary pressure reducing valve;
the air outlet of the secondary pressure reducing valve is communicated with a sealing strip inflation groove of the vacuum cleaning machine;
when the reversing valve works at the first station, the port A1 is communicated with the port B, and the port A2 is cut off;
when the reversing valve works at the second station, the port A2 is communicated with the port B, and the port A1 is cut off.
Preferably, the system further comprises a control valve island; and the air inlet of the control valve island is communicated with the air outlet of the primary pressure reducing valve and is used for controlling the working state of each pneumatic valve of the vacuum cleaning machine.
Preferably, a first one-way valve is further included; the first one-way valve is connected to the gas outlet of the primary pressure reducing valve and used for preventing compressed gas from flowing back to the compressed gas source.
Preferably, the air exhaust device further comprises an air exhaust branch and a second one-way valve which are connected with the secondary pressure reducing valve in parallel; the second check valve is in series with the secondary pressure relief valve for preventing compressed gas from passing through the secondary pressure relief valve when being pumped.
Preferably, a third one-way valve is further included; the third one-way valve is communicated with the air suction branch and is used for preventing compressed air from entering the sealing strip inflation groove without passing through the secondary pressure reducing valve.
Preferably, a fourth one-way valve is further included; the fourth one-way valve is connected between the vacuum pump and the reversing valve and used for preventing the cleaning liquid from flowing back to the sealing strip inflation tank.
Preferably, the device further comprises a filter communicated with the compressed gas source and used for filtering impurities in the compressed gas.
Preferably, the system further comprises a first pressure gauge for detecting the air pressure of the air outlet of the primary pressure reducing valve.
Preferably, the secondary pressure reducing valve further comprises a second pressure gauge for detecting the air pressure of the air outlet of the secondary pressure reducing valve.
The utility model also provides a vacuum cleaner, including the casing with set up in compressed gas economizer system on the casing, wherein, compressed gas economizer system specifically is above-mentioned arbitrary compressed gas economizer system.
The utility model provides a compressed gas economizer system mainly includes relief pressure valve, switching-over valve, secondary relief pressure valve and vacuum pump once. The air inlet of the primary pressure reducing valve is communicated with a compressed air source and is mainly used for reducing the pressure of compressed air generated by the compressed air source for the first time and reducing the pressure of the compressed air. The reversing valve is provided with at least two stations and at least 3 ports, namely a first station, a second station, an A1 port, an A2 port and a B port. Specifically, the port A1 of the reversing valve is communicated with the gas outlet of the primary pressure reducing valve, and compressed gas subjected to primary pressure reduction can be introduced into the reversing valve. The port B of the reversing valve is communicated with an air inlet of a secondary pressure reducing valve, and the secondary pressure reducing valve is mainly used for reducing the pressure of the compressed air after primary pressure reduction, so that the air pressure of the compressed air is greatly reduced. Meanwhile, the air outlet of the secondary pressure reducing valve is communicated with a sealing strip inflation groove of the vacuum cleaning machine, compressed air subjected to secondary pressure reduction can be introduced into the sealing strip inflation groove, and a sealing rubber strip filled in the sealing strip inflation groove is blown up and abutted to the inner wall of the sealing door, so that sealing and pressure maintaining control is realized. The A2 port of the reversing valve is communicated with a vacuum pump, and the vacuum pump is mainly used for pumping the sealing strip inflation groove of the vacuum cleaning machine, pumping compressed gas in the sealing strip inflation groove away, and realizing pressure relief control of the sealing strip inflation groove. When the reversing valve works at the first station, the port A1 is communicated with the port B, and the port A2 is cut off, at the same time, compressed gas reaches the secondary pressure reducing valve through the port A1 and the port B after passing through the primary pressure reducing valve, enters the sealing strip inflation groove after passing through the secondary pressure reducing valve, and the vacuum pump is cut off; when the reversing valve works at the second station, the port A2 of the reversing valve is communicated with the port B of the reversing valve, and the port A1 of the reversing valve is stopped, at the moment, the compressed air source is stopped, and the vacuum pump is communicated with the sealing strip inflation groove through the port A2 and the port B, so that the compressed air in the sealing strip inflation groove is pumped out. Therefore, the utility model provides a compressed gas economizer system can realize the pressurize and the pressure release control of vacuum cleaner's sealing strip gas cell, reduces the compressed gas consumption simultaneously, prolongs the life of pneumatic valve, prevents that deformation from appearing in the sealing door.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of the air pressure according to an embodiment of the present invention.
Fig. 2 is a schematic view of an overall structure of a vacuum cleaning machine according to an embodiment of the present invention.
Wherein, in fig. 1-2:
the device comprises a primary pressure reducing valve-1, a reversing valve-2, a secondary pressure reducing valve-3, a vacuum pump-4, a sealing strip inflation groove-5, a control valve island-6, a first one-way valve-7, an air exhaust branch-8, a second one-way valve-9, a third one-way valve-10, a fourth one-way valve-11, a filter-12, a first pressure gauge-13, a second pressure gauge-14 and a shell-15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic view of an air pressure according to an embodiment of the present invention.
The utility model provides an among the specific embodiment, compressed gas economizer system mainly includes primary relief pressure valve 1, switching-over valve 2, secondary relief pressure valve 3 and vacuum pump 4.
Wherein, the air inlet of the primary pressure reducing valve 1 is communicated with a compressed air source and is mainly used for carrying out primary pressure reduction on compressed air generated by the compressed air source and reducing the pressure of the compressed air.
The reversing valve 2 is provided with at least two stations and at least 3 through ports, namely a first station, a second station, an A1 port (air inlet), an A2 port (air pumping port) and a B port (air outlet).
Specifically, the port A1 of the reversing valve 2 is communicated with the gas outlet of the primary pressure reducing valve 1, and compressed gas subjected to primary pressure reduction can be introduced into the reversing valve 2.
The port B of the selector valve 2 is communicated with an air inlet of a secondary pressure reducing valve 3, and the secondary pressure reducing valve 3 is mainly used for reducing the pressure of the compressed gas after primary pressure reduction again, so that the pressure of the compressed gas is greatly reduced. Meanwhile, the air outlet of the secondary pressure reducing valve 3 is communicated with a sealing strip inflation groove 5 of the vacuum cleaning machine, compressed air subjected to secondary pressure reduction can be introduced into the sealing strip inflation groove 5, and a sealing rubber strip filled in the sealing strip inflation groove is blown up and abutted against the inner wall of the sealing door, so that sealing pressure maintaining control is realized.
The A2 port of the reversing valve 2 is communicated with a vacuum pump 4, and the vacuum pump 4 is mainly used for pumping the sealing strip inflation groove 5 of the vacuum cleaning machine, so that compressed gas in the sealing strip inflation groove 5 is pumped away, and pressure relief control of the sealing strip inflation groove 5 is realized.
When the reversing valve 2 works at the first station, the port A1 is communicated with the port B, and the port A2 is cut off, at the same time, compressed gas reaches the secondary pressure reducing valve 3 through the port A1 and the port B after passing through the primary pressure reducing valve 1, enters the sealing strip inflation groove 5 after being subjected to secondary pressure reduction, and simultaneously, the vacuum pump 4 is cut off.
When the reversing valve 2 works at the second station, the port A2 is communicated with the port B, and the port A1 is stopped, at the same time, the compressed air source is stopped, and the vacuum pump 4 is communicated with the sealing strip inflating groove 5 through the port A2 and the port B, so that the compressed air in the sealing strip inflating groove 5 is pumped out.
So, the compressed air economizer system that this embodiment provided can realize the pressurize and the pressure release control of vacuum cleaner's sealing strip inflation tank 5, reduces the compressed air consumption simultaneously, prolongs the life of pneumatic valve, prevents that the deformation phenomenon from appearing in the sealing door.
In an alternative embodiment with respect to the directional valve 2, the directional valve 2 is embodied as a two-position three-way electromagnetic directional valve 2. Specifically, when the reversing valve 2 is powered off, the reversing valve works in a second station (right station in the figure), the port A1 is communicated with the port B, and the port A2 is cut off; when the reversing valve 2 is electrified, the reversing valve works in a first station (a left station shown in the figure), the port A2 is communicated with the port B, and the port A1 is closed.
Considering that a plurality of pneumatic valves are configured on the vacuum cleaning machine, the compressed air energy-saving system needs to utilize each pneumatic valve to perform various functional controls, and in order to realize integrated control of each pneumatic valve, a control valve island 6 is additionally arranged in the embodiment. Specifically, the control valve island 6 includes a control component composed of a plurality of electric control valves, pneumatic valves, and hydraulic control valves, and can integrate signal input, signal output, and signal control, thereby conveniently controlling the working state of each pneumatic valve on the vacuum cleaning machine.
In view of the fact that if the compressed air source is suddenly interrupted or disappears, the compressed air may flow back into the compressed air source or the air, and further the sealing state of the sealing door may be accidentally released, so as to cause risks such as water overflow, the first check valve 7 is additionally arranged in the embodiment. Specifically, one end of the first check valve 7 is connected to the air outlet of the primary pressure reducing valve 1, and the other end is connected to the port A1 of the reversing valve 2 and the air inlet of the control valve island 6, so that the compressed air can pass through the first check valve in one direction, and can only flow from the primary pressure reducing valve 1 to the reversing valve 2 and the control valve island 6, but cannot pass through the first check valve in the opposite direction.
Considering that when air is pumped into the sealing strip inflation groove 5 through the vacuum pump 4, the compressed air needs to reversely pass through the secondary pressure reducing valve 3, which may affect the secondary pressure reducing valve 3, to this end, an air pumping branch 8 connected in parallel with the secondary pressure reducing valve 3 is additionally provided in the present embodiment, and a second check valve 9 is connected in series on the main path where the secondary pressure reducing valve 3 is located. Specifically, the second check valve 9 is mainly used for making the compressed gas pass through the secondary reducing valve 3 in a single direction after passing through the reversing valve 2, and forbidding the compressed gas in the sealing strip inflating groove 5 to pass through the secondary reducing valve 3 when being pumped out, but pass through the pumping branch 8.
Further, consider because the existence of branch road 8 of bleeding, compressed gas probably has the part to directly enter into sealing strip inflation tank 5 through branch road 8 of bleeding when carrying out the pressurize, do not have the decompression through secondary relief pressure valve 3, to this, this embodiment still communicates in branch road 8 of bleeding has third check valve 10, with the effect through this third check valve 10, prevent that compressed gas from passing through in branch road 8 of bleeding when aerifing the pressurize, guarantee that compressed gas all passes through second check valve 9 and secondary relief pressure valve 3, ensure that compressed gas reduces the pressure and targets in place.
Considering that when the vacuum pump 4 is used for pumping air to the sealing strip inflating groove 5, if the vacuum pump 4 is accidentally stopped, a part of the cleaning liquid may flow back to the sealing strip inflating groove 5, for this reason, the fourth check valve 11 is communicated between the reversing valve 2 and the vacuum pump 4, so that only the compressed air in the sealing strip inflating groove 5 is allowed to be pumped out to the vacuum pump 4 through the one-way passing action of the fourth check valve 11, and the cleaning liquid is not allowed to flow back to the reversing valve 2 and the sealing strip inflating groove 5.
In addition, in order to improve the air quality of the compressed air, the present embodiment is further communicated with a filter 12 at the air outlet of the compressed air source to filter impurities in the compressed air, such as water, dust, etc.
In addition, in order to accurately detect the pressure reduction effect of the primary pressure reduction valve 1 and the secondary pressure reduction valve 3, a first pressure gauge 13 and a second pressure gauge 14 are additionally arranged in the embodiment. Wherein. The first pressure gauge 13 is communicated with an air outlet of the primary pressure reducing valve 1 and is mainly used for detecting the air pressure of the compressed air subjected to primary pressure reduction. Generally, the pressure of the compressed gas after a single decompression is usually between 5 and 6bar. Meanwhile, the second pressure gauge 14 is communicated with the air outlet of the secondary pressure reducing valve 3, and is mainly used for detecting the air pressure of the compressed air subjected to secondary pressure reduction. Generally, the pressure of the compressed gas after the second pressure reduction is usually 1.5 to 2bar.
As shown in fig. 2, fig. 2 is a schematic view of an overall structure of a vacuum cleaner according to an embodiment of the present invention.
The embodiment further provides a vacuum cleaning machine, which mainly comprises a casing 15 and a compressed air energy-saving system arranged on the casing 15, wherein the specific content of the compressed air energy-saving system is the same as the related content, and the details are not repeated here.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The compressed gas energy-saving system is characterized by comprising a primary pressure reducing valve (1), a reversing valve (2), a secondary pressure reducing valve (3) and a vacuum pump (4);
the air inlet of the primary pressure reducing valve (1) is communicated with a compressed air source;
an A1 port of the reversing valve (2) is communicated with an air outlet of the primary pressure reducing valve (1), an A2 port of the reversing valve (2) is communicated with the vacuum pump (4), and a B port of the reversing valve (2) is communicated with an air inlet of the secondary pressure reducing valve (3);
the air outlet of the secondary pressure reducing valve (3) is communicated with a sealing strip inflation groove (5) of the vacuum cleaning machine;
when the reversing valve (2) works at the first station, the port A1 is communicated with the port B, and the port A2 is cut off;
when the reversing valve (2) works at the second station, the port A2 is communicated with the port B, and the port A1 is cut off.
2. The compressed gas economizer system of claim 1 further comprising a control valve island (6); and the air inlet of the control valve island (6) is communicated with the air outlet of the primary pressure reducing valve (1) and is used for controlling the working state of each pneumatic valve of the vacuum cleaning machine.
3. The compressed gas economizer system of claim 1 further comprising a first check valve (7); the first one-way valve (7) is connected to the gas outlet of the primary pressure reducing valve (1) and used for preventing compressed gas from flowing back to the compressed gas source.
4. The compressed gas energy-saving system according to claim 1, further comprising a bleed branch (8) connected in parallel with the secondary pressure reducing valve (3), a second one-way valve (9); the second non-return valve (9) is connected in series with the secondary pressure reducing valve (3) for preventing compressed gas from passing through the secondary pressure reducing valve (3) when being pumped out.
5. The compressed gas economizer system of claim 4 further comprising a third check valve (10); the third one-way valve (10) is communicated with the air suction branch (8) and is used for preventing compressed air from entering the sealing strip inflating groove (5) without passing through the secondary reducing valve (3).
6. The compressed gas economizer system of claim 1 further comprising a fourth check valve (11); and the fourth one-way valve (11) is connected between the vacuum pump (4) and the reversing valve (2) and used for preventing the cleaning liquid from flowing back to the sealing strip inflating groove (5).
7. The compressed gas economizer system of claim 1 further comprising a filter (12) in communication with the compressed gas source for filtering contaminants from the compressed gas.
8. The compressed gas energy-saving system according to claim 1, further comprising a first pressure gauge (13) for detecting the gas pressure at the outlet of the primary pressure reducing valve (1).
9. The compressed gas energy-saving system according to claim 1, further comprising a second pressure gauge (14) for detecting the gas pressure at the gas outlet of the secondary pressure reducing valve (3).
10. Vacuum cleaning machine comprising a housing (15) and a compressed gas energy saving system arranged on the housing (15), characterized in that the compressed gas energy saving system is in particular a compressed gas energy saving system according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222325303.3U CN217898107U (en) | 2022-08-31 | 2022-08-31 | Vacuum cleaning machine and compressed gas energy-saving system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222325303.3U CN217898107U (en) | 2022-08-31 | 2022-08-31 | Vacuum cleaning machine and compressed gas energy-saving system thereof |
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| Publication Number | Publication Date |
|---|---|
| CN217898107U true CN217898107U (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222325303.3U Active CN217898107U (en) | 2022-08-31 | 2022-08-31 | Vacuum cleaning machine and compressed gas energy-saving system thereof |
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| Country | Link |
|---|---|
| CN (1) | CN217898107U (en) |
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- 2022-08-31 CN CN202222325303.3U patent/CN217898107U/en active Active
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