CN206801878U - Rotary-vane vaccum pump - Google Patents
Rotary-vane vaccum pump Download PDFInfo
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- CN206801878U CN206801878U CN201720132234.0U CN201720132234U CN206801878U CN 206801878 U CN206801878 U CN 206801878U CN 201720132234 U CN201720132234 U CN 201720132234U CN 206801878 U CN206801878 U CN 206801878U
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- fuel tank
- temperature
- pump
- cooling pipe
- cavity
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Abstract
The utility model discloses a kind of rotary-vane vaccum pump, including：The pump housing, fuel tank, temperature probe and cooling device；Fuel tank is arranged on the pump housing；Pump body is provided with cavity, and the air inlet for being communicated to the cavity and gas outlet are additionally provided with the pump housing；Oil in fuel tank seals gas outlet；Eccentrically mounted rotor, and the inwall inscribe of rotor and cavity are provided with cavity, rotor is provided with blade；The inwall of blade and cavity keeps being in close contact；Temperature probe is installed on fuel tank, detects oil liquid temperature in fuel tank；Cooling device includes recirculated water cooling pipe, cold water storage cistern and suction pump；Recirculated water cooling pipe is installed on the outside of fuel tank；Suction pump connects cold water storage cistern and recirculated water cooling pipe；Cooling water in cold water storage cistern is pumped into recirculated water cooling pipe or draws back the cooling water in recirculated water cooling pipe in water cooling box.The utility model can overcome oil temperature and blade to wear and cause the influence to caused by vacuum, make the vacuum in vavuum pump to keep stable.
Description
Technical field
The utility model belongs to pump housing technical field, relates in particular to a kind of rotary-vane vaccum pump.
Background technology
Vavuum pump be for extracting one of basic equipment of gas to sealing container, it can independent role, also can be used as increase
The fore pump of press pump, diffusion pump, molecular pump etc., pump is maintained, the forepump of titanium pump is used, available for electron tube manufacture, insulation
Bottle manufacture, vacuum welding, printing, plastic uptake, refrigeration plant repairing and instrument and meter are supporting etc..Its operation principle is：Impeller revolves
When turning, the water into the pump housing throws to surrounding by impeller, and formed under the influence of centrifugal force one it is similar to pump chamber shape etc.
Thickness closes water ring.Now, a crescent-shaped space is formd between impeller hub and water ring, and the space is divided into by impeller
Several small chambers equal with lobe numbers.When 180 ° before impeller rotation, the volume of small chamber gradually changes from small to big, and pressure is continuous
Reduction, and communicated with the air entry on suction and discharge disk, when the pressure in small cavity space is less than the pressure taken out in container, according to
Gas pressure intensity equilibrium principle, the gas taken out constantly are drawn into small chamber.Completely cut off when air-breathing is completed with air entry, the appearance of small chamber
Product is gradually reduced, and pressure constantly increases, when the gas of compression reaches pressure at expulsion, from auxiliary exhaust valve exhaust.In pump
During continuously running, air-breathing, compression, exhaust process are constantly carried out, so as to reach the purpose of continuous air extraction.Existing rotation
The problems of chip vavuum pump is：In the course of the work, its blade remains the friction with pump housing inwall, is easily rubbing
Chip is produced during wiping, these chips drop to pump body can produce certain influence to vacuum.In addition, existing add
Oil liquid temperature during work in fuel tank can gradually rise, if high oil temperature equally influences whether the vacuum in the pump housing in fuel tank
Degree.Therefore, a kind of new rotary-vane vaccum pump how is developed, oil temperature and blade can be overcome to wear and cause to make vacuum
Into influence, be that those skilled in the art need the direction studied.
Utility model content
The utility model provides a kind of water circulation vavuum pump, and oil temperature and blade can be overcome to wear and cause to make vacuum
Into influence, make the vacuum in vavuum pump to keep stable.
The concrete technical scheme that it is used is as follows：
A kind of rotary-vane vaccum pump, including：The pump housing, fuel tank, temperature probe and cooling device；The fuel tank is arranged on described
On the pump housing；The pump body is provided with cavity, and the air inlet for being communicated to the cavity and gas outlet are additionally provided with the pump housing；It is described
Oil in fuel tank seals the gas outlet；It is provided with eccentrically mounted rotor in the cavity, and the rotor and cavity is interior
Wall inscribe, the rotor are provided with the blade of at least two panels；The blade keeps being in close contact with the inwall of cavity all the time；It is described
Temperature probe is installed on fuel tank, for detecting the oil liquid temperature in fuel tank；The cooling device includes recirculated water cooling pipe, cold water
Case and suction pump；The recirculated water cooling pipe is installed on the outside of fuel tank；Suction pump connects cold water storage cistern and recirculated water cooling pipe；For inciting somebody to action
Cooling water in cold water storage cistern is pumped into recirculated water cooling pipe or draws back the cooling water in recirculated water cooling pipe in water cooling box.
By using this technical scheme：The oil temperature in fuel tank is monitored in real time with temperature probe, staff is led to
The reading of observation temperature probe is crossed, starts cooling device in high oil temperature, is pumped into the cooling water in cold water storage cistern with suction pump
In recirculated water cooling pipe, the fluid in cooling oil box.And the fluid in fuel tank is cooled to the feelings for not interfering with vacuum in the pump housing
Under condition, cooling water is drawn back in cold water storage cistern from recirculated water cooling pipe by suction pump.So as to prevent suction pump continuous firing from causing
Meaningless energy consumption.
It is further preferred that in above-mentioned rotary-vane vaccum pump：Also include controller, the temperature probe connection controller, incite somebody to action
Detection gained temperature data is sent into controller；The controller connects suction pump；Computing module is provided with the controller
And control module；Temperature threshold has been previously written in the computing module, temperature probe detection gained temperature is calculated for comparing
The size of data and temperature threshold, when the temperature data less than temperature threshold by being raised higher than temperature threshold to the control
Module sends the first pulse signal；When the temperature data higher than temperature threshold by decreasing below temperature threshold to the control
Module sends the second pulse signal；The control module be used for when receiving the first pulse signal suction pump by cold water storage cistern
Cooling water is pumped into recirculated water cooling pipe, and suction pump is controlled when receiving the second pulse signal by the cooling water in recirculated water cooling pipe
Draw back in water cooling box.
By using this technical scheme：Increase Automated condtrol of the controller realization to whole cooling device.Work as temperature
Oil liquid temperature in probe in detecting to fuel tank is determined as now oil liquid temperature by being raised higher than temperature threshold less than temperature threshold
Influence whether the vacuum in the pump housing.Cooling water in cold water storage cistern is pumped into recirculated water cooling pipe by now control module control suction pump
In to fuel tank carry out cooling by water.And when temperature probe detect oil liquid temperature in fuel tank by higher than temperature threshold be reduced to
Less than temperature threshold, it is determined as that now oil liquid temperature does not interfere with the vacuum in the pump housing, now control module control is drawn water
Pump draws back the cooling water in recirculated water cooling pipe in water cooling box.
It may further be preferable that in above-mentioned rotary-vane vaccum pump：The blade includes blade body and is wrapped in blade sheet
Soft wear resisting layer on body end head.
By using this technical scheme：Using set up soft wear resisting layer slow down blade in the course of the work with cavity inner wall
It is caused abrasion and produce chip.Thus overcome blade abrasion and cause the shadow to caused by the vacuum in rotary-vane vaccum pump
Ring.
Compared with prior art, the utility model is simple in construction, easily prepared.Oil temperature and blade can be overcome to wear and cause
The influence to caused by vacuum, the vacuum in vavuum pump is made to keep stable.
Brief description of the drawings
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of the utility model embodiment 1.
Each reference and component names corresponding relation are as follows：
1st, the pump housing；2nd, fuel tank；4th, temperature probe；3rd, cooling device；5th, controller；11st, cavity；12nd, air inlet；13rd, go out
Gas port；14th, rotor；15th, blade；31st, recirculated water cooling pipe；32nd, cold water storage cistern；33rd, suction pump.
Embodiment
In order to illustrate more clearly of the technical solution of the utility model, the utility model is made into one below in conjunction with accompanying drawing
Step description.
It is the structure of embodiment 1 of the present utility model as shown in Figure 1：
A kind of rotary-vane vaccum pump, including：The pump housing 1, fuel tank 2, temperature probe 4, cooling device 3 and controller 5.
Wherein, the inside of the pump housing 1 is provided with cavity 11, and the air inlet for being communicated to the cavity 11 is additionally provided with the pump housing 1
12 and gas outlet 13；The fuel tank 2 is arranged on the pump housing 1；Oil in the fuel tank 2 seals the gas outlet 13；Institute
State and be provided with eccentrically mounted rotor 14 in cavity 11, and the inwall inscribe of the rotor 14 and cavity 11, set on the rotor 14
There is the blade 15 of at least two panels；The blade 15 keeps being in close contact with the inwall of cavity 11 all the time；Wherein, in order to prevent blade
15 long-term works cause the termination of its contact interior wall to wear, and the blade 15 includes blade body and is wrapped in blade body
Soft wear resisting layer on termination.The temperature probe 4 is installed on fuel tank 2, for detecting the oil liquid temperature in fuel tank 2；It is described
Cooling device 3 includes recirculated water cooling pipe 31, cold water storage cistern 32 and suction pump 33；The recirculated water cooling pipe 31 is installed on the outer of fuel tank 2
Side；Suction pump 33 connects cold water storage cistern 32 and recirculated water cooling pipe 31；For the cooling water in cold water storage cistern 32 to be pumped into recirculated water cooling pipe
Drawn back in 31 or by the cooling water in recirculated water cooling pipe 31 in cold water storage cistern 32.The temperature probe 4 connects controller 5, will detected
Gained temperature data is sent into controller 5；The controller 5 connects suction pump 33；Computing module is provided with the controller 5
And control module；Temperature threshold has been previously written in the computing module, the detection gained temperature of temperature probe 4 is calculated for comparing
The size of data and temperature threshold, when the temperature data less than temperature threshold by being raised higher than temperature threshold to the control
Module sends the first pulse signal；When the temperature data higher than temperature threshold by decreasing below temperature threshold to the control
Module sends the second pulse signal；The control module is used for when receiving the first pulse signal suction pump 33 by cold water storage cistern 32
In cooling water be pumped into recirculated water cooling pipe 31, suction pump 33 is controlled when receiving the second pulse signal by recirculated water cooling pipe 31
In cooling water draw back in cold water storage cistern 32.
In practice, during the pump housing is operated, temperature probe 4 carries out real-time to the oil liquid temperature in fuel tank 2
Detection.When temperature probe 4 detects that oil liquid temperature in fuel tank 2 by being raised higher than temperature threshold less than temperature threshold, judges
The vacuum in the pump housing 1 is influenced whether for now oil liquid temperature.Now control module controls suction pump 33 by cold water storage cistern 32
Cooling water is pumped into recirculated water cooling pipe 31 carries out cooling by water to fuel tank 2.And the fluid in fuel tank 2 is detected when temperature probe 4
Temperature is determined as that now oil liquid temperature is not interfered with the pump housing 1 by being reduced to higher than temperature threshold to less than temperature threshold
Vacuum, now control module control suction pump 33 draw back the cooling water in recirculated water cooling pipe 31 in cold water storage cistern 32.
It is described above, only specific embodiment of the utility model, but the scope of protection of the utility model is not limited to
This, any those skilled in the art is in the change that in technical scope, can be readily occurred in disclosed in the utility model
Or replace, it should all cover within the scope of protection of the utility model.The scope of protection of the utility model is with claims
Protection domain is defined.
Claims (3)
1. a kind of rotary-vane vaccum pump, including：The pump housing（1）And fuel tank（2）；The fuel tank（2）It is arranged on the pump housing（1）On；
The pump housing（1）Inside is provided with cavity（11）, the pump housing（1）On be additionally provided with and be communicated to the cavity（11）Air inlet（12）With
Gas outlet（13）；The fuel tank（2）In oil by the gas outlet（13）Seal；The cavity（11）It is interior be provided with it is eccentrically mounted
Rotor（14）, and the rotor（14）With cavity（11）Inwall inscribe, the rotor（14）It is provided with the blade of at least two panels
（15）；The blade（15）All the time with cavity（11）Inwall keep be in close contact；It is characterized in that：Also include temperature probe
（4）And cooling device（3）；The temperature probe（4）It is installed on fuel tank（2）Above, for detecting fuel tank（2）In oil liquid temperature；
The cooling device（3）Including recirculated water cooling pipe（31）, cold water storage cistern（32）And suction pump（33）；The recirculated water cooling pipe（31）Peace
Loaded on fuel tank（2）Outside；Suction pump（33）Connect cold water storage cistern（32）With recirculated water cooling pipe（31）；For by cold water storage cistern（32）In
Cooling water be pumped into recirculated water cooling pipe（31）In or by recirculated water cooling pipe（31）In cooling water draw back cold water storage cistern（32）It is interior.
2. rotary-vane vaccum pump as claimed in claim 1, it is characterised in that：Also include controller（5）, the temperature probe（4）
Connect controller（5）, will detection gained temperature data send to controller（5）In；The controller（5）Connect suction pump
（33）；The controller（5）It is interior to be provided with computing module and control module；Temperature threshold has been previously written in the computing module,
For comparing calculating temperature probe（4）The size of detection gained temperature data and temperature threshold, in the temperature data by less than temperature
The first pulse signal is sent to the control module when degree threshold value is raised higher than temperature threshold；In the temperature data by higher than temperature
The second pulse signal is sent to the control module when degree threshold value decreases below temperature threshold；The control module is used to connect
Suction pump when receiving the first pulse signal（33）By cold water storage cistern（32）In cooling water be pumped into recirculated water cooling pipe（31）In, receiving
Suction pump is controlled during to the second pulse signal（33）By recirculated water cooling pipe（31）In cooling water draw back cold water storage cistern（32）It is interior.
3. rotary-vane vaccum pump as claimed in claim 2, it is characterised in that：The blade（15）Including blade body and it is wrapped in
Soft wear resisting layer on blade body termination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132234.0U CN206801878U (en) | 2017-02-14 | 2017-02-14 | Rotary-vane vaccum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132234.0U CN206801878U (en) | 2017-02-14 | 2017-02-14 | Rotary-vane vaccum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206801878U true CN206801878U (en) | 2017-12-26 |
Family
ID=60729605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720132234.0U Active CN206801878U (en) | 2017-02-14 | 2017-02-14 | Rotary-vane vaccum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206801878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894854A (en) * | 2020-06-16 | 2020-11-06 | 宁波爱发科真空技术有限公司 | Intelligent temperature control system of vacuum pump |
| GB2594149A (en) * | 2020-04-06 | 2021-10-20 | Edwards Korea Ltd | Pumping system |
-
2017
- 2017-02-14 CN CN201720132234.0U patent/CN206801878U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2594149A (en) * | 2020-04-06 | 2021-10-20 | Edwards Korea Ltd | Pumping system |
| CN111894854A (en) * | 2020-06-16 | 2020-11-06 | 宁波爱发科真空技术有限公司 | Intelligent temperature control system of vacuum pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai lingbiao Instrument Co.,Ltd. Assignor: SHANGHAI ZAIQI BIO-TECH Co.,Ltd. Contract record no.: X2021310000001 Denomination of utility model: Rotary vane vacuum pump Granted publication date: 20171226 License type: Exclusive License Record date: 20210315 |
|
| EE01 | Entry into force of recordation of patent licensing contract |