CN204755320U - Construction improvement's dry -type screw vacuum pump - Google Patents
Construction improvement's dry -type screw vacuum pump Download PDFInfo
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- CN204755320U CN204755320U CN201520437365.0U CN201520437365U CN204755320U CN 204755320 U CN204755320 U CN 204755320U CN 201520437365 U CN201520437365 U CN 201520437365U CN 204755320 U CN204755320 U CN 204755320U
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- refrigerating sheet
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Abstract
The utility model discloses a construction improvement's dry -type screw vacuum pump, it includes metal vacuum pump housing, a controller, the inside vacuum pump cavity of metal vacuum pump housing inlays adorns two screw rods, metal vacuum pump housing installs the intake pipe, the blast pipe, two at least semiconductor refrigeration components are installed to metal vacuum pump housing surface, semiconductor refrigeration components includes the semiconductor refrigeration piece, refrigeration piece radiator is installed to the hot side of semiconductor refrigeration piece, refrigeration piece radiator sets up radiactor fin, install thermal adhesive layer between semiconductor refrigeration piece huyashi -chuuka (cold chinese -style noodles) and the metal vacuum pump housing surface, thermal adhesive layer clamps between semiconductor refrigeration piece and metal vacuum pump housing, metal vacuum pump housing surface sets up the vacuum pump housing fin in the semiconductor refrigeration components side, and the temperature sensor who prolongs to the blast pipe centre bore in is installed to the blast pipe. Through the structure design, the utility model has the advantages of structural design is novel, the radiating effect is good, long service life, reliable and stable nature are good.
Description
Technical field
The utility model relates to vacuum pump technology field, particularly relates to a kind of structure improved dry screw vacuum pump.
Background technique
Along with the development of vacuum application, the kind of vacuum pump has developed a variety of, and its pumping speed is severally raised to hundreds of thousands per second, millions of liter from zero point per second; Along with vacuum technique is more and more wider to requirement of its application pressure range in production and field of scientific study, mostly need to form the requirement that could meet production and scientific research process after vacuum pumping system is bled jointly by several vacuum pump; The scope of the working pressure involved by vacuum application is very wide, therefore the vacuum pump of any one type all can not be applicable to all range of working pressure completely, according to different range of working pressure and different job requirements, dissimilar vacuum pump can only be used.In addition, in order to easy to use and meet the needs of various vacuum technology process, sometimes need various vacuum pump to combine by its performance requirement, apply in the mode of vacuum pump set.
According to the difference of structure, existing vacuum pump can be divided into dry screw vacuum pump, water ring vaccum pump, reciprocating pump, sliding valve vacuum pump, sliding vane rotary vacuum pump, Roots pump etc.; Wherein, as a kind of main force vacuum pump type, dry screw vacuum pump is widely used in industrial production and scientific research process.
Need point out further, completing utilizing dry screw vacuum pump vacuumizes in the process of operation, gas can produced a large amount of heats by the process compressed, and these heats must be distributed by the housing of vacuum pump, once cause heat accumulation because not dispelling the heat in time, the screw rod of dry screw vacuum pump inside can raise and deform by Yin Wendu, this distortion can make the gap between screw rod and screw rod, between screw rod and housing reduce, it is special in pressure reduction is also high, particularly serious, even can cause screw deadlocking and the pump housing is damaged.So, for dry screw vacuum pump, how effectively to improve heat dispersion and become the working life extending dry screw vacuum pump, the emphasis improving reliability.
Model utility content
The purpose of this utility model is to provide a kind of structure improved dry screw vacuum pump, and this structure improved dry screw vacuum pump novel in structural design, good heat dissipation effect, long service life, reliability are good.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of structure improved dry screw vacuum pump, include metal vacuum pump case, the inside of metal vacuum pump case forms vacuum pump chamber, metal vacuum pump case is embedded with two reverse sync rotatably and rotates and respectively along the screw rod that the length direction of metal vacuum pump case extends in vacuum pump chamber indoor, metal vacuum pump case is equiped with suction tude, steam outlet pipe respectively in hollow shape, and the center hole of suction tude, steam outlet pipe is communicated with vacuum pump chamber respectively;
The outer surface of metal vacuum pump case is equiped with at least two semiconductor refrigeration assemblies, each semiconductor cooling assembly includes semiconductor refrigerating sheet respectively, the hot side side installing refrigerating sheet radiator of semiconductor refrigerating sheet, the hot side of refrigerating sheet radiator and semiconductor refrigerating sheet touches, refrigerating sheet radiator is provided with the radiator fins towards deviating from the extension of semiconductor refrigerating sheet side, radiator fins and refrigerating sheet radiator one-body molded, heat conduction glue-line is equiped with between the huyashi-chuuka (cold chinese-style noodles) of semiconductor refrigerating sheet and the outer surface of metal vacuum pump case, heat conduction glue-line is installed between semiconductor refrigerating sheet and metal vacuum pump case, the huyashi-chuuka (cold chinese-style noodles) of semiconductor refrigerating sheet, heat conduction glue-line and metal vacuum pump case outer surface touch successively,
The outer surface of metal vacuum pump case is provided with protrusion extension outwardly and the vacuum pump housing fin distributed in uniform intervals in the side of semiconductor refrigeration assembly, vacuum pump housing fin and metal vacuum pump case one-body molded, outlet pipe is equiped with the temperature transducer stretched in the center hole of outlet pipe, this structure improved dry screw vacuum pump is fitted with controller, and temperature transducer and each semiconductor refrigerating sheet are electrically connected with controller respectively.
Wherein, described controller is fitted with display screen, and display screen is electrically connected with controller.
The beneficial effects of the utility model are: the structure improved dry screw vacuum pump of one described in the utility model, it comprises metal vacuum pump case, controller, vacuum pump chamber setting-in two screw rods of metal vacuum pump case inside, metal vacuum pump case installing suction tude, outlet pipe, metal vacuum pump case outer surface installing at least two semiconductor refrigeration assemblies, semiconductor refrigeration assembly comprises semiconductor refrigerating sheet, the hot side installing refrigerating sheet radiator of semiconductor refrigerating sheet, refrigerating sheet radiator arranges radiator fins, heat conduction glue-line is installed between semiconductor refrigerating sheet huyashi-chuuka (cold chinese-style noodles) and metal vacuum pump case outer surface, heat conduction glue-line is installed between semiconductor refrigerating sheet and metal vacuum pump case, metal vacuum pump case outer surface arranges vacuum pump housing fin in semiconductor refrigeration assembly side, and outlet pipe is equiped with the temperature transducer be extended into in outlet pipe center hole, and temperature transducer and each semiconductor refrigerating sheet are electrically connected with controller respectively.Designed by said structure, the utility model has novel in structural design, good heat dissipation effect, long service life, advantage that reliability is good.
Accompanying drawing explanation
Utilize accompanying drawing to be further detailed the utility model below, but the embodiment in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
Include in FIG:
1---metal vacuum pump case 11---vacuum pump chamber
12---suction tude 13---outlet pipe
14---vacuum pump housing fin 2---screw rod
3---semiconductor refrigeration assembly 31---semiconductor refrigerating sheet
32---refrigerating sheet radiator 321---radiator fins
33---heat conduction glue-line 4---temperature transducer
5---controller 6---display screen.
Embodiment
Below in conjunction with concrete mode of execution, the utility model is described.
As shown in Figure 1, a kind of structure improved dry screw vacuum pump, include metal vacuum pump case 1, the inside of metal vacuum pump case 1 forms vacuum pump chamber 11, metal vacuum pump case 1 is embedded with two reverse sync rotatably and rotates and respectively along the screw rod 2 that the length direction of metal vacuum pump case 11 extends in vacuum pump chamber 11, metal vacuum pump case 1 is equiped with suction tude 12, steam outlet pipe 13 respectively in hollow shape, and the center hole of suction tude 12, steam outlet pipe 13 is communicated with vacuum pump chamber 11 respectively.
Further, the outer surface of metal vacuum pump case 1 is equiped with at least two semiconductor refrigeration assemblies 3, each semiconductor cooling assembly 3 includes semiconductor refrigerating sheet 31 respectively, the hot side side installing refrigerating sheet radiator 32 of semiconductor refrigerating sheet 31, refrigerating sheet radiator 32 touches with the hot side of semiconductor refrigerating sheet 31, refrigerating sheet radiator 32 is provided with the radiator fins 321 towards deviating from the extension of semiconductor refrigerating sheet 31 side, radiator fins 321 is one-body molded with refrigerating sheet radiator 32, heat conduction glue-line 33 is equiped with between the huyashi-chuuka (cold chinese-style noodles) of semiconductor refrigerating sheet 31 and the outer surface of metal vacuum pump case 1, heat conduction glue-line 33 is installed between semiconductor refrigerating sheet 31 and metal vacuum pump case 1, the huyashi-chuuka (cold chinese-style noodles) of semiconductor refrigerating sheet 31, heat conduction glue-line 33 and metal vacuum pump case 1 outer surface touch successively.
Further, the outer surface of metal vacuum pump case 1 is provided with protrusion extension outwardly and the vacuum pump housing fin 14 distributed in uniform intervals in the side of semiconductor refrigeration assembly 3, vacuum pump housing fin 14 is one-body molded with metal vacuum pump case 1, outlet pipe 13 is equiped with the temperature transducer 4 in the center hole stretching to outlet pipe 13, this structure improved dry screw vacuum pump is fitted with controller 5, and temperature transducer 4 and each semiconductor refrigerating sheet 31 are electrically connected with controller 5 respectively.
Need point out further, the utility model employing active heat removal and passive heat radiation two kinds of modes realize metal vacuum pump case 1 and dispel the heat; Wherein, for passive radiating mode, the heat conduction produced during dry screw vacuum pump work is to metal vacuum pump case 1, metal vacuum pump case 1 realizes heat radiation by its vacuum pump housing fin 14, wherein, vacuum pump housing fin 14 can increase the area of contact between metal vacuum pump case 1 and external air effectively, and then effectively can improve the radiating efficiency of metal vacuum pump case 1; For active heat removal mode, the cold of semiconductor refrigerating sheet 31 huyashi-chuuka (cold chinese-style noodles) is directly conducted to metal vacuum pump case 1, and then initiatively directly carries out cooling down to metal vacuum pump case 1, and then realizes initiatively quick heat radiating.
Need to explain further, semiconductor refrigerating sheet 31 of the present utility model is contacted with metal vacuum pump case 1 by heat conduction glue-line 33; Wherein, heat conduction glue-line 33 1 aspect can realize conducting cold fast, the huyashi-chuuka (cold chinese-style noodles) of semiconductor refrigerating sheet 31 can be made on the other hand to contact with metal vacuum pump case 1 more abundant, and then improve the efficiency of active heat removal further.In addition, the heat of semiconductor refrigerating sheet 31 hot side conducts in ambient air by refrigerating sheet radiator 32, and the radiator fins 321 of refrigerating sheet radiator 32 can improve the radiating efficiency of semiconductor refrigerating sheet 31 hot side effectively, and then ensure the refrigerating efficiency of semiconductor refrigerating sheet 31 huyashi-chuuka (cold chinese-style noodles).
Need point out further, in utility model works process, temperature transducer 4 monitor in real time the center hole of outlet pipe 13 discharge the temperature of air-flow and real-time temperature signal fed back to controller 5, when the temperature value that temperature transducer 4 obtains is greater than the upper limiting temperature value set by controller 5, controller 5 controls each semiconductor refrigerating sheet 31 and starts; When the temperature value that temperature transducer 4 obtains is less than the upper limiting temperature value set by controller 5, controller 5 controls semiconductor refrigerating sheet 31 and is in holding state, and then saves electric energy to avoid unnecessary waste.
Comprehensive above-mentioned situation is known, is designed by said structure, and the utility model has novel in structural design, good heat dissipation effect, long service life, advantage that reliability is good.
As preferred embodiment, as shown in Figure 1, controller 5 is fitted with display screen 6, and display screen 6 is electrically connected with controller 5.Temperature transducer 4 by the temperature feedback of air-flow in the center hole of outlet pipe 13 in the process of controller 5, controller 5, by display screen 6 showing temperature value in real time, can understand heat dispersal situations in time rapidly to facilitate staff.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (2)
1. a structure improved dry screw vacuum pump, it is characterized in that: include metal vacuum pump case (1), the inside of metal vacuum pump case (1) forms vacuum pump chamber (11), metal vacuum pump case (1) is embedded with two reverse sync rotatably and rotates and respectively along the screw rod (2) that the length direction of metal vacuum pump case (11) extends in vacuum pump chamber (11), metal vacuum pump case (1) is equiped with the suction tude (12) respectively in hollow shape, steam outlet pipe (13), suction tude (12), the center hole of steam outlet pipe (13) is communicated with vacuum pump chamber (11) respectively,
The outer surface of metal vacuum pump case (1) is equiped with at least two semiconductor refrigeration assemblies (3), each semiconductor cooling assembly (3) includes semiconductor refrigerating sheet (31) respectively, hot side side installing refrigerating sheet radiator (32) of semiconductor refrigerating sheet (31), refrigerating sheet radiator (32) touches with the hot side of semiconductor refrigerating sheet (31), refrigerating sheet radiator (32) is provided with the radiator fins (321) towards deviating from the extension of semiconductor refrigerating sheet (31) side, radiator fins (321) is one-body molded with refrigerating sheet radiator (32), heat conduction glue-line (33) is equiped with between the huyashi-chuuka (cold chinese-style noodles) of semiconductor refrigerating sheet (31) and the outer surface of metal vacuum pump case (1), heat conduction glue-line (33) is installed between semiconductor refrigerating sheet (31) and metal vacuum pump case (1), the huyashi-chuuka (cold chinese-style noodles) of semiconductor refrigerating sheet (31), heat conduction glue-line (33) and metal vacuum pump case (1) outer surface touch successively,
The outer surface of metal vacuum pump case (1) is provided with protrusion extension outwardly and the vacuum pump housing fin (14) distributed in uniform intervals in the side of semiconductor refrigeration assembly (3), vacuum pump housing fin (14) is one-body molded with metal vacuum pump case (1), outlet pipe (13) is equiped with the temperature transducer (4) in the center hole stretching to outlet pipe (13), this structure improved dry screw vacuum pump is fitted with controller (5), and temperature transducer (4) and each semiconductor refrigerating sheet (31) are electrically connected with controller (5) respectively.
2. the structure improved dry screw vacuum pump of one according to claim 1, is characterized in that: described controller (5) is fitted with display screen (6), and display screen (6) is electrically connected with controller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520437365.0U CN204755320U (en) | 2015-06-24 | 2015-06-24 | Construction improvement's dry -type screw vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520437365.0U CN204755320U (en) | 2015-06-24 | 2015-06-24 | Construction improvement's dry -type screw vacuum pump |
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| Publication Number | Publication Date |
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| CN204755320U true CN204755320U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520437365.0U Active CN204755320U (en) | 2015-06-24 | 2015-06-24 | Construction improvement's dry -type screw vacuum pump |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506207A (en) * | 2016-12-26 | 2018-09-07 | 宁波兴威空压系统有限公司 | A kind of oil-free twin-screw gas can compress grain-drying equipment |
| CN108506208A (en) * | 2016-12-26 | 2018-09-07 | 宁波兴威空压系统有限公司 | A kind of oil-free twin-screw gas energy compression device |
| CN110886699A (en) * | 2019-11-29 | 2020-03-17 | 海门市晶盛真空设备有限公司 | Pump case of screw vacuum pump |
-
2015
- 2015-06-24 CN CN201520437365.0U patent/CN204755320U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506207A (en) * | 2016-12-26 | 2018-09-07 | 宁波兴威空压系统有限公司 | A kind of oil-free twin-screw gas can compress grain-drying equipment |
| CN108506208A (en) * | 2016-12-26 | 2018-09-07 | 宁波兴威空压系统有限公司 | A kind of oil-free twin-screw gas energy compression device |
| CN108506207B (en) * | 2016-12-26 | 2019-06-21 | 宁波兴威空压系统有限公司 | A kind of oil-free twin-screw gas can compress grain-drying equipment |
| CN108506208B (en) * | 2016-12-26 | 2019-06-21 | 宁波兴威空压系统有限公司 | A kind of oil-free twin-screw gas energy compression device |
| CN110886699A (en) * | 2019-11-29 | 2020-03-17 | 海门市晶盛真空设备有限公司 | Pump case of screw vacuum pump |
| CN110886699B (en) * | 2019-11-29 | 2021-07-06 | 海门市晶盛真空设备有限公司 | Pump case of screw vacuum pump |
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