CN220909999U - Vacuum pump shell structure with radiating effect - Google Patents

Abstract

The utility model discloses a vacuum pump shell structure with a heat dissipation effect, which comprises a heat pipe structure and a fan, wherein the fan is fixedly arranged on a door body, the door body is arranged at the top of a shell through hinging, the top of the shell is provided with an air inlet, an air inlet filter screen is arranged on the air inlet, and two air outlets are respectively arranged at the lower parts of two side surfaces of the shell; the heat pipe structure is fixedly arranged on the front surface and the rear surface of the shell, and is of a double-layer structure; through setting up casing, heat dissipation chamber, heat pipe and water injection mouth, when using the vacuum pump that has this shell during operation, earlier inject suitable water through the water injection mouth to the internal channel heat pipe, follow external channel heat pipe water inlet and let in vacuum pump circulating water, flow through the heat pipe structure that sets up on the casing lateral wall, carry out the heat exchange, pour into vacuum pump cooling system again after the vacuum pump circulating water cooling in external channel heat pipe delivery port, cool off vacuum pump inner structure, improved the heat dispersion of casing.

Description

Vacuum pump shell structure with radiating effect

Technical Field

The utility model relates to a vacuum pump shell structure with a heat dissipation effect.

Background

Vacuum pumps are devices or apparatuses that draw air from a closed container by mechanical, physical, chemical, etc. means to achieve a vacuum. Alternatively, a vacuum pump is a device that improves, creates, and maintains a vacuum in a certain enclosed space by various methods.

The existing vacuum pump such as rotary vane pump, roots pump and other vacuum obtaining equipment all obtain vacuum by running compressed gas at high speed through a rotor. However, the gas exhausted by the vacuum pump is subjected to huge friction heat and compression heat due to the rotation of the rotor, so that the temperature is very high, and scalding accidents are easy to happen when the gas is directly exhausted.

The existing vacuum pump can only exchange heat with the outside through simple water cooling and oil lubrication in use, but the heat conduction performance and convection performance of gas are extremely poor under low pressure, and when the vacuum pump runs for a long time, the problems of untimely heat dissipation and heat accumulation are easy to occur, so that the normal running of the vacuum pump is not facilitated, and the service life of the vacuum pump is influenced.

Disclosure of utility model

The utility model aims to provide a vacuum pump shell structure with a heat dissipation effect, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The vacuum pump shell structure with the heat radiation effect comprises a heat pipe structure and a fan, wherein the fan is fixedly arranged on a door body, the door body is hinged to the top of a shell, an air inlet is formed in the top of the shell, an air inlet filter screen is arranged on the air inlet, and two exhaust ports are respectively formed in the lower parts of two side surfaces of the shell; the heat pipe structure is fixedly arranged on the front surface and the rear surface of the shell, the heat pipe structure is of a double-layer structure and comprises an inner channel heat pipe and an outer channel heat pipe, the inner channel heat pipe is connected with a vacuum pump in the shell for circulating hot water, the outer channel heat pipe is connected with a cold water injection port for communicating cold water, the cold water injection port is arranged outside the shell, a cold water outlet, a circulating water inlet and a circulating water outlet are all arranged in the heat dissipation cavity, the cold water outlet is connected with the outer channel heat pipe, and the circulating water inlet and the circulating water outlet are respectively arranged on the upper side and the lower side of the inner channel heat pipe; the shell is internally provided with a heat dissipation cavity.

As a preferred embodiment of the present utility model: an exhaust filter screen is arranged on the exhaust port.

As a still further preferred embodiment of the present utility model: a water filling port valve is arranged on the cold water filling port to regulate the flow.

As a still further preferred embodiment of the present utility model: a plurality of radiating fins are fixed on the outer wall of the outer channel heat pipe.

As a still further preferred embodiment of the present utility model: the shell bottom fixed connection a plurality of hollow supporting legs, and a plurality of supporting legs and heat dissipation chamber intercommunication are arranged, and a plurality of hollow auxiliary stay tubes are installed to a plurality of supporting legs one end of keeping away from the shell, and a plurality of auxiliary stay tubes and supporting leg intercommunication are arranged, form a whole with the heat dissipation chamber.

Compared with the prior art, the utility model has the beneficial effects that: 1. through setting up casing, heat dissipation chamber, heat pipe and water injection mouth, when using the vacuum pump that has this shell during operation, earlier inject suitable water through the water injection mouth to the internal channel heat pipe, follow external channel heat pipe water inlet and let in vacuum pump circulating water, flow through the heat pipe structure that sets up on the casing lateral wall, carry out the heat exchange, pour into vacuum pump cooling system again after the vacuum pump circulating water cooling in external channel heat pipe delivery port, cool off vacuum pump inner structure, improved the heat dispersion of casing.

2. Through setting up radiating fin, when vacuum pump circulation hot water and injection cold water convection heat transfer in the heat pipe, the fin that sets up on the heat pipe outer wall takes place convection heat transfer with ambient air and heat dissipation intracavity portion circulating air respectively, on cold and hot water heat exchange's basis, further reduces circulating water temperature to the radiating effect of casing has been increased, and then the vacuum pump is guaranteed to reach the temperature of normal work.

3. Through setting up cavity supporting legs and cavity stay tube, supporting legs and stay tube have enlarged the volume of heat dissipation chamber and the radiating area of shell, when the vacuum pump needs to cool down, when the heat dissipation intracavity forms cold and hot air circulation, the temperature of the inside air of heat dissipation chamber reduces, and the radiating area increases simultaneously and has also strengthened the heat exchange efficiency of casing and ambient air and the intracavity air of heat dissipation, more is favorable to thermal discharge, further strengthens the radiating effect on 1 and 2 basis.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is an enlarged view at a in fig. 1.

100, A housing; 110. supporting feet; 111. an auxiliary support tube; 120. a door body; 121. a blower; 130. an air inlet; 131. an air inlet filter screen; 140. an exhaust port; 141. an exhaust filter screen; 150. a heat dissipation cavity; 200. a heat pipe structure; 210. an inner channel heat pipe; 220. an outer channel heat pipe; 230. a heat radiation fin; 240. a water outlet valve; 250. a water outlet; 260. a circulating water auxiliary inlet pipe; 270. a circulating water inlet; 280. a water filling port; 300. a water injection port valve; 400. a circulating water auxiliary outlet pipe; 410 a circulating water outlet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, in an embodiment of the present utility model, a vacuum pump housing structure with a heat dissipation effect includes a heat pipe structure 200 and a fan 121, wherein the fan 121 is fixedly disposed on a door body 120, the door body 120 is hinged on the top of a housing 100, an air inlet 130 is formed on the top of the housing 100, an air inlet filter 131 is disposed on the air inlet 130, two air outlets 140 are respectively formed at lower portions of two sides of the housing 100, and an air outlet filter 141 is disposed on the air outlets 140.

The heat pipe structure 200 is fixedly installed on the front and rear sides of the shell 100, the heat pipe structure 100 is a double-layer structure, the heat pipe structure 100 comprises an inner channel heat pipe 210 and an outer channel heat pipe 220, the inner channel heat pipe 210 is connected with a vacuum pump inside the shell 100 for circulating hot water, the outer channel heat pipe 220 is connected with a cold water injection port 280 for passing cold water, the cold water injection port 280 is arranged outside the shell 100, a water injection port valve 300 is installed on the cold water injection port 280 for adjusting the flow, a cold water outlet 250, a circulating water inlet 270 and a circulating water outlet 410 are all arranged in the heat dissipation cavity 150, the cold water outlet 250 is connected with the outer channel heat pipe 220, the circulating water inlet 270 and the circulating water outlet 410 are respectively positioned on the upper side and the lower side of the inner channel heat pipe 210, and a plurality of heat dissipation fins 230 are fixed on the outer wall of the outer channel heat pipe 220.

The inside of the housing 100 is a heat dissipation cavity 150, in order to expand the volume of the heat dissipation cavity 150, the bottom of the housing 100 is fixedly connected with a plurality of hollow supporting legs 110, the plurality of supporting legs 110 are arranged in a communication manner with the heat dissipation cavity 150, one end of the plurality of supporting legs 110, which is far away from the housing 100, is provided with a plurality of hollow auxiliary supporting tubes 111, and the plurality of auxiliary supporting tubes 111 are arranged in a communication manner with the supporting legs 110 to form a whole with the heat dissipation cavity 100; when the fan 121 is operated, the convection of hot air and ambient air in the heat dissipation chamber 150 increases the heat dissipation effect due to the expansion of the heat dissipation area, and reduces the temperature of the circulating water in the outer channel heat pipe 220 while reducing the temperature of the housing 100.

The implementation principle of the application is as follows: when the vacuum pump in the shell 100 is cooled, cold water is injected into the inner channel heat pipe 210 by adjusting the water injection valve 300, at this time, circulating hot water of the vacuum pump flows in through the water inlet 270 of the outer channel heat pipe, the flowing directions of cold and hot fluid are opposite, heat exchange is performed in the whole course, and when the circulating hot water reaches the water outlet 410, the circulating hot water is cooled, and the circulating hot water can be introduced into the vacuum pump again for cooling treatment. After the vacuum pump is operated for a period of time, the fan 121 is started, so that the hot air in the heat dissipation cavity 150 and the ambient cold air generate heat convection, and the temperature of the shell is reduced. At the same time of heat exchange of the heat pipe cold and hot fluid, the heat radiating fins 230 connected with the wall of the outer channel heat pipe 220 respectively exchange heat with the flowing air and the ambient cold air in the shell 100, thereby reducing the temperature of the shell 100 and reducing the circulating water temperature. The hollow supporting leg 110 and the auxiliary supporting tube 111 fixedly connected with the heat dissipation cavity 150 enlarge the heat exchange area of the shell 100, enhance the heat dissipation effect of the shell 100 and ensure the heat dissipation requirement of the vacuum pump.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The vacuum pump shell structure with the heat radiation effect comprises a heat pipe structure (200) and a fan (121), and is characterized in that the fan (121) is fixedly arranged on a door body (120), the door body (120) is arranged at the top of a shell (100) in a hinged manner, an air inlet (130) is formed in the top of the shell (100), an air inlet filter screen (131) is arranged on the air inlet (130), and two air outlets (140) are respectively formed in the lower parts of two side surfaces of the shell (100); the heat pipe structure (200) is fixedly arranged on the front side and the rear side of the shell (100), the heat pipe structure (200) is of a double-layer structure, the heat pipe structure (200) comprises an inner channel heat pipe (210) and an outer channel heat pipe (220), the inner channel heat pipe (210) is connected with a vacuum pump inside the shell (100) and used for circulating hot water, the outer channel heat pipe (220) is connected with a cold water injection port (280) and used for medium-pass cold water, the cold water injection port (280) is arranged outside the shell (100), a cold water outlet (250) and a circulating water inlet (270) are both arranged in the heat dissipation cavity (150), the cold water outlet (250) is connected with the outer channel heat pipe (220), and the circulating water inlet (270) and the circulating water outlet (410) are respectively arranged on the upper side and the lower side of the inner channel heat pipe (210); the interior of the shell (100) is a heat dissipation cavity (150).

2. A vacuum pump housing structure with heat dissipation effect according to claim 1, characterized in that an exhaust filter screen (141) is arranged on the exhaust port (140).

3. The vacuum pump housing structure with heat dissipation effect according to claim 1, wherein a water filling port valve (300) is installed on the cold water filling port (280) to adjust the flow.

4. The vacuum pump housing structure with heat dissipation effect according to claim 1, wherein a plurality of heat dissipation fins (230) are fixed on the outer wall of the outer channel heat pipe (220).

5. A vacuum pump casing structure with heat dissipation effect according to any of claims 1-4, characterized in that the bottom of the casing (100) is fixedly connected with a plurality of hollow supporting feet (110), and the plurality of supporting feet (110) are arranged in communication with the heat dissipation cavity (150).

6. The vacuum pump housing structure with heat dissipation effect according to claim 5, wherein a plurality of hollow auxiliary support tubes (111) are installed at one end of the plurality of support legs (110) far away from the housing (100), and the plurality of auxiliary support tubes (111) are arranged to communicate with the support legs (110) to form a whole with the heat dissipation chamber (150).