CN218934741U

CN218934741U - Semiconductor refrigeration screw vacuum pump

Info

Publication number: CN218934741U
Application number: CN202320172712.6U
Authority: CN
Inventors: 林乐忠; 林振东
Original assignee: Weihai Witwin Vacuum Science & Technology Co ltd
Current assignee: Weihai Witwin Vacuum Science & Technology Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-04-28
Anticipated expiration: 2033-02-03

Abstract

The application provides a semiconductor refrigeration screw vacuum pump, including the screw vacuum pump body, the screw vacuum pump body outside is provided with the circulating pipe, and circulating pipe and screw vacuum pump body coupling, circulating pipe periphery fixedly connected with semiconductor refrigeration module, semiconductor refrigeration module are used for cooling down for the inside liquid of circulating pipe. The utility model provides a pair of semiconductor refrigeration screw vacuum pump through establishing ties semiconductor refrigeration module in the circulating pipe, can realize that the screw vacuum pump body is running under the refrigerated prerequisite of no external water source, owing to have the semiconductor refrigeration module to absorb the heat of the inside water of circulating pipe to can reduce the temperature of circulating pipe internal water, the internal water of screw vacuum pump is through the heating of screw vacuum pump body and semiconductor refrigeration module as the power supply simultaneously, make the self circulation of the aquatic heat siphon effect realization water in the circulating pipe, just so can reduce the operating temperature of screw vacuum pump, satisfy the normal operating temperature requirement of screw vacuum pump.

Description

Semiconductor refrigeration screw vacuum pump

Technical Field

The application belongs to the technical field of screw vacuum pumps, and more particularly relates to a semiconductor refrigeration screw vacuum pump.

Background

When the screw vacuum pump operates, the compressed gas does work and generates heat, water is generally required to be cooled, but in a laboratory and occasions needing to move, the water is extremely inconvenient to be cooled, so that the portable vacuum pump without water cooling is urgently needed, and the practical use is convenient.

Disclosure of Invention

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: the utility model provides a semiconductor refrigeration screw vacuum pump, includes the screw vacuum pump body, the outside circulating pipe that is provided with of screw vacuum pump body, the circulating pipe is connected with the screw vacuum pump body, circulating pipe periphery fixedly connected with semiconductor refrigeration module, semiconductor refrigeration module is used for cooling down for the inside liquid of circulating pipe.

Optionally, the screw vacuum pump body includes shell, inner shell and screw rotor, the inside fixedly connected with inner shell of shell, the inside rotation of shell and inner shell is connected with screw rotor.

Optionally, the surface of the shell is provided with a water outlet and a water inlet, one end of the circulating pipe is fixedly connected with the water outlet, and the other end of the circulating pipe is fixedly connected with the water inlet.

Optionally, a cavity is formed between the outer shell and the inner shell, and the cavity is communicated with the water outlet and the water inlet.

Optionally, a fan is arranged at the side end of the semiconductor refrigeration module, and the fan and the semiconductor refrigeration module are externally connected with a power supply.

Optionally, the semiconductor refrigeration module is close to the one end fixedly connected with fin of fan, the fin is provided with a plurality ofly, and evenly distributed is at semiconductor refrigeration module side.

The utility model has the following beneficial effects:

compared with the prior art, the semiconductor refrigeration module is connected in series in the circulating pipe, so that the screw vacuum pump body can operate on the premise of no external water source cooling, and the semiconductor refrigeration module absorbs heat of water in the circulating pipe, so that the temperature of the water in the circulating pipe can be reduced, the screw vacuum pump is smaller than the volume of a pump cooled by a simple air cooler and convenient to move and use, and meanwhile, the water in the screw vacuum pump body is heated by the screw vacuum pump body and the semiconductor refrigeration module is taken as a power source, so that the self circulation of the water is realized by the thermal siphon effect of the water in the circulating pipe, the operation temperature of the screw vacuum pump can be reduced, and the normal operation temperature requirement of the screw vacuum pump is met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present utility model;

fig. 3 is a block diagram of the water flow cycle of the present utility model.

The symbols in the drawings illustrate:

1. a screw vacuum pump body; 101. a housing; 102. an inner case; 103. a screw rotor; 2. a semiconductor refrigeration module; 3. a circulation pipe; 4. a water outlet; 5. a water inlet; 6. a cavity; 7. a heat sink; 8. a blower.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

Referring to fig. 1-3, a semiconductor refrigeration screw vacuum pump provided in an embodiment of the present application will now be described. The utility model provides a semiconductor refrigeration screw vacuum pump, includes screw vacuum pump body 1, and screw vacuum pump body 1 outside is provided with circulating pipe 3, and circulating pipe 3 is connected with screw vacuum pump body 1, and circulating pipe 3 circumference fixedly connected with semiconductor refrigeration module 2, semiconductor refrigeration module 2 are used for cooling down for the inside liquid of circulating pipe 3.

Specifically, the heat that screw vacuum pump body 1 work produced is with inside water heating, then can give the cooling with hot water under the effect of semiconductor refrigeration module 2 to can reach the thermosiphon effect, at this moment again under the cooperation of circulating pipe 3, just can make the rivers in the circulating pipe 3 get up, at this moment will cool through the water of semiconductor refrigeration module 2, then in the new screw vacuum pump body 1 that gets into, thereby can reach the purpose to screw vacuum pump cooling, make the screw vacuum pump can stable work.

The screw vacuum pump body 1 comprises an outer shell 101, an inner shell 102 and a screw rotor 103, wherein the inner shell 102 is fixedly connected to the inner part of the outer shell 101, and the screw rotor 103 is rotatably connected to the inner parts of the outer shell 101 and the inner shell 102.

A water outlet 4 and a water inlet 5 are formed in the surface of the shell 101, one end of the circulating pipe 3 is fixedly connected with the water outlet 4, and the other end of the circulating pipe 3 is fixedly connected with the water inlet 5; and a cavity 6 is formed between the outer shell 101 and the inner shell 102, and when the cavity 6 is communicated with the water outlet 4 and the water inlet 5 for working, water in the cavity 6 can be circulated stably under the cooperation of the water outlet 4 and the water inlet 5.

The fan 8 is arranged at the side end of the semiconductor refrigeration module 2, the fan 8 and the semiconductor refrigeration module 2 are externally connected with a power supply, and when the semiconductor refrigeration module 2 is in operation, the semiconductor refrigeration module 2 can be cooled by arranging the fan 8, so that the service life of the semiconductor refrigeration module 2 can be prolonged.

The one end fixedly connected with fin 7 that semiconductor refrigeration module 2 is close to fan 8, fin 7 are provided with a plurality of, and evenly distributed is at semiconductor refrigeration module 2 side, and during operation just can increase the radiating area through setting up fin 7 this moment to can be quick cool down semiconductor refrigeration module 2.

Working principle:

when the screw vacuum pump is used, the semiconductor refrigeration module 2 is connected in series in the circulating pipe 3, so that the screw vacuum pump body 1 can operate on the premise of no external water source cooling, the semiconductor refrigeration module 2 absorbs heat of water in the circulating pipe 3, the temperature of the water in the circulating pipe 3 can be reduced, the volume of the screw vacuum pump is smaller than that of a pump cooled by a simple air cooler, the screw vacuum pump is convenient to move and use, meanwhile, the water in the screw vacuum pump body 1 is heated through the screw vacuum pump body 1 and the semiconductor refrigeration module 2 is used as a power source, the self circulation of the water is realized by the thermal siphon effect in the circulating pipe 3, the operating temperature of the screw vacuum pump can be reduced, and the normal operating temperature requirement of the screw vacuum pump is met.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. The utility model provides a semiconductor refrigeration screw vacuum pump, includes screw vacuum pump body (1), its characterized in that: the screw vacuum pump is characterized in that a circulating pipe (3) is arranged outside the screw vacuum pump body (1), the circulating pipe (3) is connected with the screw vacuum pump body (1), a semiconductor refrigerating module (2) is fixedly connected to the circumferential surface of the circulating pipe (3), and the semiconductor refrigerating module (2) is used for cooling liquid in the circulating pipe (3).

2. A semiconductor refrigeration screw vacuum pump as set forth in claim 1 wherein: the screw vacuum pump body (1) comprises an outer shell (101), an inner shell (102) and a screw rotor (103), wherein the inner shell (102) is fixedly connected to the inner part of the outer shell (101), and the screw rotor (103) is rotatably connected to the inner parts of the outer shell (101) and the inner shell (102).

3. A semiconductor refrigeration screw vacuum pump as claimed in claim 2, wherein: the surface of the shell (101) is provided with a water outlet (4) and a water inlet (5), one end of the circulating pipe (3) is fixedly connected with the water outlet (4), and the other end of the circulating pipe (3) is fixedly connected with the water inlet (5).

4. A semiconductor refrigeration screw vacuum pump as claimed in claim 3, wherein: a cavity (6) is formed between the outer shell (101) and the inner shell (102), and the cavity (6) is communicated with the water outlet (4) and the water inlet (5).

5. A semiconductor refrigeration screw vacuum pump as set forth in claim 1 wherein: the semiconductor refrigerating module (2) side is provided with fan (8), fan (8) and semiconductor refrigerating module (2) all external power supply.

6. A semiconductor refrigeration screw vacuum pump as set forth in claim 5 wherein: one end of the semiconductor refrigeration module (2) close to the fan (8) is fixedly connected with radiating fins (7), and the radiating fins (7) are arranged at a plurality of side ends of the semiconductor refrigeration module (2) and uniformly distributed.