CN208707376U - Vacuum pump - Google Patents
Vacuum pump Download PDFInfo
- Publication number
- CN208707376U CN208707376U CN201821327751.4U CN201821327751U CN208707376U CN 208707376 U CN208707376 U CN 208707376U CN 201821327751 U CN201821327751 U CN 201821327751U CN 208707376 U CN208707376 U CN 208707376U
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- Prior art keywords
- battery
- vacuum pump
- power
- surplus
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/06—Mobile combinations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0673—Battery powered
Abstract
A kind of vacuum pump that can be continuously run long-term and stably using commercially available interchangeable battery is provided.It includes pumping main body, the motor driven to said pump main body and the power supply unit to said motor supply electric power.The second battery that power supply unit has the first battery installed to the first slot and installs to the second slot.Third battery, the 4th battery are standby batteries.When the battery power surplus of the first battery is less than defined threshold, power supply is switched from the first battery to the second battery, in the second battery in use, the first battery of the first slot is replaced with third battery.Then, when the battery power surplus of the second battery is less than defined threshold, power supply is switched from the second battery to third battery, in third battery in use, the second battery of the second slot is replaced with the 4th battery.
Description
Technical field
The utility model relates to the vacuum pumps for will be evacuated in piping.
Background technique
In the past, there is be suitable for vacuum pump for various purposes.It is true disclosed in Japanese Unexamined Patent Publication 2008-180098 bulletin
Sky pump is: the vacuum pump vacuumized to the piping etc. of the refrigerant of air-conditioning, having can be for secondary cell disassembly ease
The battery installation section of ground installation, and the secondary cell is the power supply of the motor driven to pump.The vacuum pump is formed as a result,
Are as follows: secondary cell, i.e. battery can be utilized without obtaining electric power from source power supply.
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2008-180098 bulletin
Utility model content
It is using such operation that vacuumizes that above-mentioned vacuum pump is carried out: for the inside filling system being piped to idle call
Cryogen and to be formed as vacuum state in the piping.Vacuum state can not be sharp formed, when needing to spend a degree of
Between.
Herein, for example, in the case where installing one for the facilities such as only house to two air-conditionings, the length of piping
It very short can cope with, therefore, above-mentioned vacuum pump can carry out vacuumizing work using a battery with sufficient electric power
Industry.
However, for example, the facilities such as mansion are bigger than facilities such as above-mentioned only houses, and air-conditioning is being installed for the facility
In the case of, the length of piping will be longer, in this way, the activity duration vacuumized is also just elongated.Therefore, it is possible in operation midway
Battery is caused to power off.It is big realizing battery aiming at the problem that battery power-off etc of the operation midway
In the case where type, high capacity, the dedicated battery of the vacuum pump do not have versatility, in addition, above-mentioned battery it is heavier and
Not Portable belt is likely to result in being difficult with above-mentioned battery instead.
Therefore, project to be solved in the utility model is to provide a kind of vacuum pump, which is able to use commercially available
Interchangeable battery and continuously run long-term and stably.
Vacuum pump documented by first technical solution is the vacuum pump for being vacuumized, which is characterized in that
The vacuum pump includes: pump main body；Motor drives said pump main body；And power supply unit, to above-mentioned horse
Up to supply electric power, and have multiple batteries,
The power supply unit has switch control unit, using switch control unit, so that the motor and selected one
Battery connection, when the battery power surplus of a battery is less than defined threshold value, which is executed: from
The control that one battery switches to other batteries of battery power surplus abundance, according to the battery of the battery
Power margin and successively the connection of the motor and the battery is switched over.
Vacuum pump documented by second technical solution is on the basis of the first technical solution, which is characterized in that
The power supply unit is constituted are as follows: has battery power surplus detection unit, the battery power surplus detection unit
The battery power surplus of the multiple battery is detected,
The switch control unit is constituted are as follows: to the battery detected using the battery power surplus detection unit
Power margin and the defined threshold value are compared, also, when the battery power surplus of the battery is less than defined threshold
When value, the control automatically switched to other batteries of battery power surplus abundance is carried out.
Vacuum pump documented by third technical solution is on the basis of the first technical solution or the second technical solution, feature
It is,
The power supply unit is provided with battery holder, the switch control unit is provided to the battery holder,
The multiple battery is installed on the battery holder.
Vacuum pump documented by 4th technical solution is on the basis of third technical solution, which is characterized in that
Have multiple slots in the battery holder, the multiple battery is respectively arranged in the multiple slot.
Vacuum pump documented by 5th technical solution is on the basis of four technical solutions, which is characterized in that
The battery holder includes so that multiple opening of being electrically connected respectively with the motor of the multiple battery
Close, controlled using on-off of the switch control unit to the multiple switch, thus successively to the motor and
The electrical connection of each of the multiple battery battery switches over.
Vacuum pump documented by 6th technical solution is on the basis of the first technical solution or the second technical solution, feature
It is,
The power supply unit has communicating department, the battery of the battery of the opposite motor supply electric power of the communicating department
The case where power margin is reduced is notified to.
Vacuum pump documented by 7th technical solution is on the basis of six technical solutions, which is characterized in that
The communicating department include vision notification unit that the running-active status of the control unit is shown or/and
The sense of hearing that alarm tone or phonetic guiding export can be notified to unit.
The effect of utility model
According to the utility model, it is provided with the power supply unit including multiple batteries, so that motor is selected with from the power supply unit
Battery connection out, when the battery power surplus of a battery is less than defined threshold value, by power supply to storage
Other batteries of battery electric power surplus abundance switch, according to the battery power surplus of battery in order successively to motor
Connection with battery switches over.Thereby, it is possible to vacuum pump is continuously run long-term and stably.
Second technical solution according to the present utility model, can make motor be continued for acting, so that very
Sky pump is continuously run long-term and stably, and can be to motor and device etc. or even including the movable part of vacuum pump
Whole equipment be protected.
Third technical solution according to the present utility model, when battery is in the operation midway vacuumized using vacuum pump
Occur powering off or when not spare battery, the battery for being installed on other electric tools can be replaced.Also,
Since the battery of existing electric tool can be replaced for vacuum pump, it is able to suppress cost.
4th technical solution according to the present utility model can switch freely as the power supply supplied electric power to motor
Battery.
5th technical solution according to the present utility model, can to motor and device etc. or even including vacuum pump can
Whole equipment including dynamic portion is protected.
6th technical solution according to the present utility model, communicating department user can be supervised battery early stage replace or
Person reminds and is notified to exception, failure.Thereby, it is possible to prepare in advance the less battery of battery power surplus replacing with electric power storage
Therefore the battery of pond power margin abundance can be realized and continuously run for a long time.
7th technical solution according to the present utility model, on the basis of the notification of view-based access control model notification unit, additionally it is possible to
It is notified to by the sense of hearing, so as to further supervise user the rapid replacement of battery.
Detailed description of the invention
Fig. 1 is to show the perspective view of the overview of structure of vacuum pump involved in the present embodiment.
Fig. 2 is to show the perspective view of the overview of battery installation site of vacuum pump involved in the present embodiment.
Fig. 3 is to show the perspective view of the overview of battery dismounting state of vacuum pump involved in the present embodiment.
Fig. 4 is to show the block diagram of the overview of the structure of battery switching part of vacuum pump involved in the present embodiment.
Fig. 5 is to show the explanatory diagram of the battery replacing options of the power supply unit of vacuum pump involved in the present embodiment.
Description of symbols
10 ... vacuum pumps, 11 ... pump main bodys, 12 ... motors, 13 ... power supply units, 13a ... battery holder, 14 ... first
Battery, 14a ... third battery, 15 ... second batteries, the 4th battery of 15a ..., 16 ... first slots, 17 ... second are inserted
Slot, 20 ... battery switching parts, 21 ... switch portions, 22 ... control units, 23 ... communicating departments, 25 ... first switches, 26 ... second are opened
Pass, the anti-reverse current circuit of 25a, 26a ..., 27 ... overcurrent sensing circuits, 28 ... first battery power surplus detection circuits, 29 ...
Second battery power surplus detection circuit, 30 ... switch control units, 35 ... power switches, the first LED light of 36a ..., 36b ...
Second LED light, 37 ... loudspeakers, 40a ... holder flank oral area, 40b ... battery side interface portion, 45 ... motor shells,
50 ... shells, 51 ... air inlets, 52 ... exhaust tubes, 53 ... solenoid valves.
Specific embodiment
[embodiment 1]
With reference to the accompanying drawings, the embodiment of vacuum pump involved in the utility model is illustrated.Fig. 1 and Fig. 2 is to show
The perspective view of the overview of the structure of vacuum pump involved in the present embodiment.
As shown in Figure 1, vacuum pump 10 includes: pump main body 11, motor 12 and the power supply unit 13 being made of multiple batteries.
As shown in figure 3, power supply unit 13 includes so that multiple batteries distinguish the battery that the mode of disassembly ease is formed
Holder 13a.It constitutes are as follows: an electric power storage when connecting the power supply of vacuum pump 10, in battery possessed by power supply unit 13
Pond connect with motor 12 and supplies electric power to the motor 12.
In the present embodiment, as shown in Figure 1 to Figure 3, battery holder 13a, which is included, is formed as the 2 of approximate rectangular-shape
A battery 14,15.Hereinafter, the battery is set as the first battery 14, the second battery 15.Moreover, the first battery with
The mode of disassembly ease is installed on the first slot 16, and the second battery 15 is installed on the second slot 17 in the manner of easily disassemble.
It constitutes are as follows: when connecting the power supply of vacuum pump 10, firstly, preferentially using the first battery 14, then reuse the second electric power storage
Pond 15.Hereinafter described to from the first battery 14 to the switching method of the second battery 15.
In addition, in the present embodiment, battery holder 13a has the first slot 16 and the second slot 17, but and unlimited
Due to this, for example, having more than needed, can also adding slotting if existed in terms of space when making vacuum pump 10 realize enlargement
Slot and battery is further installed.
First battery 14 and the second battery 15 are commercially available interchangeable battery.Interchangeable battery is the heart placed in the middle of being in
Etc. sale battery, as rechargeable power tool, such as precipitron, air blower, percussion tool, electric drill, chain saw
Power supply and be used widely.Therefore, it can be readily available interchangeable battery, in addition, by using interchangeable battery
Electric tool between coordinate use interchangeable battery, power supply can easily be replaced between electric tool.As a result, when
Battery can be replaced when powering off or not having standby battery occur in the operation midway vacuumized using vacuum pump 10
It changes use: being installed on the battery of other electric tools.Also, since existing electric tool can be replaced in vacuum pump 10
Battery, therefore it is able to suppress cost.
In addition, battery holder 13a has battery switching part 20.The formation of battery switching part 20 are as follows: being capable of basis
Rated condition and to the first battery 14 for being installed on the first slot 16 and the second battery 15 for being installed on the second slot 17 into
Row switching.Thereby, it is possible to switch battery involved in the power supply supplied electric power to motor 12 freely.
As shown in figure 4, battery switching part 20 includes switch portion 21；Control unit 22 controls above-mentioned switch portion 21
System；And communicating department 23, more than the behaviour in service and battery power for being notified to the first battery 14 or the second battery 15
Amount.
Switch portion 21 includes first switch 25, and the first battery 14 and motor 12 are connected；And second switch 26,
It connects the second battery 15 and motor 12.
First switch 25 and second switch 26 can be physically circuit is opened and closed, such as relay etc
Mechanical switch, alternatively, it is also possible to be the electronic type of element for example using transistor, field effect transistor (FET) etc
Switch.
Furthermore it is preferred that can be respectively set for first switch 25 and second switch 26 anti-reverse current circuit 25a,
26a.Thereby, it is possible to prevent electric current from the first slot 16 side to the adverse current of the second battery 15, in addition it is possible to prevent electric current from
Adverse current from second slot, 17 side to the first battery 14, so as to including first switch 25 or second switch 26
Entire circuit be protected.
Switch portion 21 executes movement according to the signal being entered from control unit 22.Specifically, input: making first switch
25 or the closure of second switch 26 and by connection signal that battery 14,15 and motor 12 connect or make first switch 25 or
Person's second switch 26 disconnects and by the cut-off signal of the connection cutting of battery 14,15 and motor 12.
In addition, switch portion 21 includes overcurrent sensing circuit 27, the load relative to motor 12 can be flowed
Overcurrent is detected；And the power switch 35 of vacuum pump 10.When connecting power switch 35, firstly, preferentially selecting the
Power supply of one battery 14 as motor 12.
As described above, control unit 22 is formed are as follows: will turn on signal or cut-off signal is exported to switch portion 21 and to switch
Portion 21 is controlled.
Control unit 22 includes the first battery power surplus detection circuit 28, to the battery electricity of the first battery 14
Power surplus is detected；And the second battery power surplus detection circuit 29, to the battery power of the second battery 15
Surplus is detected.
First battery power surplus detection circuit 28 and the second battery power surplus detection circuit 29 are respectively with first
Slot 16 or the second slot 17+terminal connection.Each battery power surplus detection circuit 28,29 formation are as follows: by the
One battery 14 or the second battery 15+voltage of terminal measures and is capable of detecting when the electric power of battery 14,15
Surplus.Data relevant to the battery power surplus of each battery 14,15 detected are input to control unit 22.
In addition, as shown in figure 4, the power margin detection for battery also can use: flanking oral area 40a in holder
The bi-directional communication function executed between battery side interface portion 40b.Hereinafter to the battery based on the bi-directional communication function
Power margin detection is described.
Control unit 22 has switch control unit 30, and the switch control unit 30 is according to the battery power surplus detected
And it selects the first slot 16 perhaps thus the second slot 17 is executed and switched over to the first battery 14 or the second battery 15
Control.
The formation of switch control unit 30 are as follows: when the first battery power surplus detection circuit 28 or the second battery power
When surplus detection circuit 29 detects the battery power surplus of the first battery 14 or the second battery 15, to what is detected
The battery power surplus and defined threshold value are compared.
Herein, for example, in the case where detecting that the battery power surplus of the first battery 14 is less than defined threshold value,
The signal for supervising the replacement of the first battery 14 is exported to communicating department 23.
At this point, when being already installed with the second battery 15 of battery power surplus abundance in 17 side of the second slot, from
It carries out dynamicly: the control switched from the first battery 14 to the second battery 15.Thereby, it is possible to move motor 12 persistently
Make, so as to continuously run vacuum pump 10 long-term and stably.
On the other hand, when the battery power surplus of the second battery 15 is less than defined threshold value and when not being replaced also,
Or second slot 17 it is vacant when, letter that the second battery 15 of 17 side of the second slot will be reminded both not to be electrically charged or be not replaced
Number output to communicating department 23.
In addition, switch control unit 30 is formed are as follows: served as electric current and circulated from battery 14,15 to motor 12 and by excessively electric
When current detection circuit 27 detects the overcurrent, it will be switched off signal and exported to first switch 25 or second switch 26, wherein should
Cut-off signal is for cutting off: the first battery 14 or the second battery 15 the reason of as overcurrent, with motor 12 it
Between connection.
At this point, switch control unit 30 is formed are as follows: defeated to the side having connected, such as first switch 25 will be switched off signal
While out, it also will turn on signal and exported to the second switch 26 of another party of disconnection, in this way, from the first battery 14 to second
Battery 15 switches.As a result, when an exception is detected, battery 14,15 can promptly be switched and to motor 12 and electric power storage
Circuit, device etc. inside the holder 13a of pond are protected.
In addition, being formed are as follows: after being switched over to battery 14,15, still detected by overcurrent sensing circuit 27
Out when overcurrent, switch control unit 30 will be switched off signal and export to the both sides of first switch 25 and second switch 26, wherein
The cut-off signal is both sides and the horse of the first battery 14 or the second battery 15 for cutting off the reason of becoming overcurrent
Up to 12 connection, also, will indicate because of overcurrent to produce exception, the anomaly detection signal of failure is exported to communicating department 23.
The connection of the both sides of battery 14,15 and motor 12 is completely cut through and makes vacuum pump 10 by control unit 22 as a result,
Movement stop.It therefore, can be to the movable part of circuit, device for including motor 12 and switch portion 21 etc. or even vacuum pump 10
Whole equipment inside is protected.
Communicating department 23 includes the first LED light 36a, the second LED light 36b, they show the running-active status of control unit
Show；And loudspeaker 37, alarm tone or phonetic guiding can be exported.Communicating department 23 can supervise storage to user as a result,
Exception, failure are replaced or reminded and be notified to the early stage of battery.
The situation that first LED light 36a is installed on the first slot 16 to the first battery 14 is shown, for example, by changing
Become and blinker pattern or light color, following situations can be notified to, it may be assumed that from motor 12 using the first battery 14 and
The situation that the battery power surplus of changed condition to first battery 14 in operating has not been had more than needed.
Similarly, the second LED light 36b is used for: the situation that the second battery 15 is installed on the second slot 17 is shown,
Or for the second battery 15 battery power surplus and issue prompting.
Also, one or both of LED light 36a, 36b, being capable of conduct by changing its blinker pattern or lighting color
Alarm to detecting that generated exception, the situation of failure are shown in each battery 14,15 or battery holder 13a
Lamp and used.
In addition, it's not limited to that for the type of lamp, for example, can connecing according to the power switch 35 for indicating vacuum pump 10
Notification content, purpose that switching is opened etc. and the number for increasing and decreasing lamp, further, it is possible to use the display such as LCD monitor and
LED light is substituted, and thus such as the battery power surplus of on-off or battery 14,15 to power switch 35
Various information are shown.
The formation of loudspeaker 37 are as follows: the power margin for being notified to battery 14,15 can be reduced or vacuum pump 10 produces
The abnormal, alarm tone of failure or phonetic guiding output.As a result, on the basis of being notified to using LED light 36a, 36b, also
It can be notified to by sound, so as to further supervise replacement battery 14,15 rapidly to user.
In addition, being not limited to communicating department 23 involved in the present embodiment, have in battery 14,15 to battery power
It in the case where the display window that surplus is shown, also may be constructed are as follows: battery 14,15 is visual can carry out to the display window
The mode of observation and be installed on battery holder 13a.At this point, can be easily in battery 14,15 sides to each battery electricity
Power surplus checked, while also can be by the first LED light 36a, the second LED light 36b and to each electric power storage in 13 side of power supply unit
Pond power margin is checked.As a result, for example, when power consumption is at battery 14,15 sides and significantly different 13 side of power supply unit, energy
It is abnormal etc. in the paradoxical discharge of early detection battery 14,15 or overcurrent etc., so as to easily to power supply unit 13
Battery 14,15 carries out duplication check.
In addition, as shown in Figure 4, it is preferable that holder flanks oral area 40a and can be set in battery switching part 20.Moreover,
Preferably, oral area 40a battery side interface portion 40b arranged opposite is flanked with the holder is set to battery side.Holder
It flanks and is formed between oral area 40a and battery side interface portion 40b are as follows: be able to carry out two-way communication.
Herein, there is also following battery in interchangeable battery used in the present embodiment, which is included to structure
The determination unit being measured at the resistance of the battery unit of battery.The determination unit can be based on resistance with battery
Using and increase and characteristic that the energy capacity of battery correspondingly reduces, and battery power surplus is measured.
In the determination unit, practical connect according to flash-over characteristic when non-loaded before being connect with motor 12 and with motor 12
The relationship of flash-over characteristic when connecing, and resistance is measured.Resistance increase the reason of include: because battery use and with
The deterioration of time and be gradually increased and draw because resistivity is with the variation of operating temperature/environment temperature in a long time
Rise change dramatically or overcurrent and cause to increase suddenly within moment.
Determination unit is formed are as follows: periodically will be measured resulting determination data via battery side interface to resistance
Portion 40b and to electric tool side send.Moreover, in electric tool side, the survey that oral area 40a will be flanked via holder and received
Fixed number evidence is stored in: in the memory of control unit setting, and being compared original determination data and updated determination data
Compared with, thereby, it is possible to determine to cause because of common use or deterioration at any time resistance to increase or because resistivity urgency
Drastic change or overcurrent and cause resistance to increase within moment.
Also, the determination data based on resistance will indicate or for storage from electric tool side for the electric discharge of overcurrent
The instruction of the accumulator protecting of battery electric power surplus exports, and will can be carried out actuation time obtained from end voltage based on discharging
It is exported Deng to communicating department 23, wherein the electric discharge end voltage is inferred to according to determination data.In this way, being formed are as follows: in electricity
Power driven tools side can the determination data based on battery side and accurately grasp the battery use, running-active status, Jin Erjin
The accurate control of row.
Motor 12 is formed to be electrically connected with power supply unit 13.Motor 12 includes motor shell 45；And rotor (omits
Diagram), it is accommodated in said motor shell 45.Axial rotary pump 11 side of main body of rotor extends.Motor 12 and pump main body as a result,
11 mechanically connect.It is supplied from the first battery 14 of power supply unit 13 or the second battery 15: the power supply of motor 12
Electric power.Vacuum pump 10 is able to carry out movement not obtaining electric power from source power supply as a result,.Therefore, vacuum pump 10 can be made
It realizes wirelessization, therefore, is free to carry out it mobile setting, in addition, since source power supply is not used, do not have to
The electricity charge are born to the owner of the source power supply.Also, even if on roof of mansion etc., the neighbouring not no place of source power supply,
Also it is able to use vacuum pump 10.
Pump main body 11 includes shell 50, with air inlet 51 and exhaust tube 52；And rotating member (illustration omitted),
It is accommodated in above-mentioned shell 50.
The machine oil (illustration omitted) of specified amount enters shell 50.Air inlet 51 formation are as follows: can with as the work vacuumized
The end of the piping of industry object connects.The opposite lateral atmosphere of the shell side of exhaust tube 52 opens wide.Also, air inlet 51 has electricity
Magnet valve 53.
The rotation axis of rotating member mechanically directly links with the motor drive shaft of motor 12.Rotating member has at least one leaf
Piece, preferably with 2 or more blades.Blade-shaped becomes the radial direction forward-reverse freely along rotating member, using being accommodated in
The spring of blade interior and vane nose portion is formed are as follows: external 50 inner wall of shell is pressed.It is formed out as a result: in blade
Besieged space between 50 inner wall of side and shell.The space is formed as semi-vacuum state with the rotation of rotating member, and
It draws out from air inlet 51 by the air in piping.The air come out is drawn to be compressed with the rotation of rotating member, and by
It is discharged from exhaust tube 52 to atmosphere.As a result, the open end of piping is connect with air inlet 51, by carrying out to pump main body 11
Driving can will be discharged, thus by inside the piping again from exhaust tube 52 from the air inside the piping that air inlet 51 sucks in
It is evacuated.Herein, it is formed are as follows: generated in any one component of pump main body 11, motor 12 or power supply unit 13 abnormal, failure
In the case of, so that the vacuum pump 10 in operating stops.At this point, solenoid valve 53 is closed.Thereby, it is possible to will be in air inlet 51 and pump
Space partition, so as to prevent air to vacuumize in operation piping adverse current.
In addition, the present embodiment describes vacuum pump 10, but it's not limited to that for pump main body 11.As long as that is, energy
Enough pumps of execution movement by motor 12, so that it may properly select depending on the application.If the pump is for example in disaster
Draining pump used in immersion region require to continuously run in a long time like that and be difficult to ensure commercial 100V (or
220V) pump used in the field of power supply can then make the pump constituted as the present embodiment for a long time by Switching power
Ground operating, so as to expect good effect.
Vacuum pump 10 with above structure is as described below to execute movement.Hereinafter, with reference to the accompanying drawings, with the vacuum
It is illustrated centered on the movement of the battery switching part 20 of pump 10.Fig. 5 is to show: being installed on cutting for the battery of power supply unit
Change the explanatory diagram of the overview of method.
Herein, in the battery holder 13a for being set to power supply unit 13 of vacuum pump 10, and in the first slot 16, second
Slot 17 is mounted on the battery of battery power surplus abundance.In addition, will be installed on the battery of the first slot 16 as
First battery 14 will be installed on the battery of the second slot 17 as the second battery 15, also, using standby battery as
Third battery 14a, the 4th battery 15a.In addition, setting are as follows: preferentially use the first slot 16 compared with the second slot 17.
If as a result, connecting the power supply of vacuum pump 10, begin to use first from the first battery 14 for being installed on the first slot 16.
If user connects the power switch 35 of vacuum pump 10, as shown in figure 4, first switch 25 is closed, stored from first
Battery 14 supplies electric power to motor 12, and the first LED light 36a of communicating department 23 is lighted color and lighted with defined.
On the other hand, in the case where power switch 35 is connected and uses the first battery 14, the second battery is installed
Second LED light 36b involved in 15 the second slot 17 then extinguishes, or to light as defined in different from the first LED light 36a
It color and lighting or is flashed with the defined blinker pattern different from the first LED light 36a.Thereby, it is possible to emphasize: as
The power supply of motor 12 and the first battery 14 is used, thus user can easily differentiate be used the first slot 16 or
Which slot of the second slot of person 17.
Motor 12 is made to execute movement, 12 pairs of pump main bodys 11 of motor using the electric power supplied from the first battery 14
It is driven, thus, attract the air inside piping from air inlet 51, and it is discharged from exhaust tube 52, it as a result, will be in piping
It is evacuated.At this point, being notified to using communicating department 23 following situation: the first LED light 36a of 14 side of the first battery is
It lights color with defined and lights or flashed with defined blinker pattern, 14 side of the first battery is in use.
In the case where the battery power surplus of the first battery 14 is sufficient, the state that first switch 25 remains closed is not
Become.
Moreover, when the first battery power surplus detection circuit 28 detects the battery power surplus of the first battery 14
When less than defined threshold value, firstly, the first LED light 36a extinguishes, or lighted or with defined color of lighting with defined
Blinker pattern flashing, also, sound is sounded an alarm from loudspeaker 37, communicating department 23 is notified to more than the battery power of the first battery 14
The case where amount is reduced.Then, make the battery of the first battery 14 electric when the electric power for detecting battery further consumes
When power surplus is less than defined threshold value involved in the battery power surplus for the movement for being unable to maintain that motor 12, switching control list
Member 30 executes following processing: will be switched off signal and exports to first switch 25, while will turn on signal and exporting to second switch 26.
Power supply is switched from the first battery 14 to the second battery 15 as a result, thus, from the second battery 15 to motor
12 supply electric powers.
In addition, being not limited to following processing method: 2 grades are set the threshold to as described above, first etc.
The prompting that the reduction of battery power surplus is issued when grade, the switching of battery is carried out in the second grade, can also be carried out as follows
Processing: individual threshold value is set, while being handled to the prompting of battery power surplus reduction and to the switching of battery, Huo Zheshe
Fixed multiple threshold values carry out the prompting of battery power surplus reduction by changing pattern in multiple stages, terminal stage into
The switching of row battery.
Along with above-mentioned hand-off process, in communicating department 23, so that the second LED light 36b of 15 side of the second battery is to provide
Light color light or with defined blinker pattern flashing, indicate that 15 side of the second battery is in use as a result,.
It is notified to the case where switching from the first battery 14 to the second battery 15 as a result,.
In addition, at this point it is possible to make in above-mentioned the first estate extinguish etc. the first LED light 36a with the second LED light
36b it is different as defined in light color and light or flashed with the defined blinker pattern different from the second LED light 36b.
Thereby, it is possible to consumingly supervise user the first battery 14 in early stage progress from the first slot 16 to spare third storage
The replacement of battery 14a.
Moreover, as shown in figure 5, in the use process of the second battery 15, in the first slot 16, by the first battery 14
It removes and is changed to spare third battery 14a.Furthermore it is preferred that can be in the use process of the second battery 15, it will
The first battery 14 after removing is installed on charger and charges.Subsequent battery is made to be in standby shape in advance in this way
State can be swimmingly by power supply from the second electric power storage when the battery power surplus of the second battery 15 is less than defined threshold value
Pond 15 switches to third battery 14a.Moreover, after switching power supply from the second battery 15 to third battery 14a,
In the use process of third battery 14a, in the second slot 17, the second battery 15 is removed and is changed to spare the 4th and stores
Battery 15a.
In this way, being switched over by replacing battery to power supply, motor 12 can make to pump main body 11 for a long time continuously
Operating can also have even the facility with longer plumbing fixture and sufficient carry out vacuumizing operation more than neededly.
Also, when being switched over to battery 14,14a, 15,15a, made using LED light 36a, 36b, loudspeaker 37
It perceives for the vision of user, the sense of hearing, thus supervises the battery 14 to battery power surplus reduction, 14a, 15,15a
Replacement.It the less battery of battery power surplus is replaced with into battery power surplus fills due to that can prepare in advance as a result,
Therefore the battery of foot can be realized and continuously run for a long time.
In addition, vacuum pump 10 involved in the present embodiment and the unused large-scale electric power storage for accumulator capacity being made large capacity
Pond, but use smaller commercially available interchangeable battery.It, in addition can also be at other due to being easy to get interchangeable battery
Interchangeable battery is used in electric tool, therefore, the quantity carried to the battery of operation field can be reduced, in addition, passing through
Battery is alternately used, can be charged in the use process of a battery to another battery, in addition, can also
It is enough easily to prepare new battery.Therefore, various situations can be neatly coped in operation field, as a result, it is possible to shorten
Activity duration, and can be carried out efficiently operation.
Also, current, the specification of above-mentioned interchangeable battery, without same, therefore, is using this reality according to electric tool manufacturer
In the case where applying vacuum pump 10 involved in example, being preferably equipped with being capable of the interchangeable battery used in vacuum pump 10, Yi Jineng
Enough interchangeable batteries used in other electric tools.Therefore it provides being used in the vacuum pump 10 involved in the present embodiment
The electric tool manufacturer of interchangeable battery can thus solicit user.
Claims (7)
1. a kind of vacuum pump is used to be vacuumized, which is characterized in that
The vacuum pump includes: pump main body；Motor drives said pump main body；And power supply unit, said motor is supplied
To electric power, and have multiple batteries,
The power supply unit has switch control unit, using switch control unit, so that the motor and a selected electric power storage
Pond connection, when the battery power surplus of a battery be less than defined threshold value when, the switch control unit execute from this one
The control that a battery switches to other batteries of battery power surplus abundance, according to the battery power of the battery
Surplus and successively the connection of the motor and the battery is switched over.
2. vacuum pump according to claim 1, which is characterized in that
The power supply unit is constituted are as follows: has battery power surplus detection unit, the battery power surplus detection unit is to institute
The battery power surplus for stating multiple batteries is detected,
The switch control unit is constituted are as follows: to the battery power detected using the battery power surplus detection unit
Surplus and the defined threshold value are compared, also, when the battery power surplus of the battery is less than defined threshold value,
Carry out the control automatically switched to other batteries of battery power surplus abundance.
3. vacuum pump according to claim 1 or 2, which is characterized in that
The power supply unit is provided with battery holder, the switch control unit is provided to the battery holder,
The multiple battery is installed on the battery holder.
4. vacuum pump according to claim 3, which is characterized in that
Have multiple slots in the battery holder, the multiple battery is respectively arranged in the multiple slot.
5. vacuum pump according to claim 4, which is characterized in that
The battery holder includes so that the multiple switch that the multiple battery is electrically connected with the motor respectively, benefit
It is controlled with on-off of the switch control unit to the multiple switch, thus successively to the motor and described
The electrical connection of each of multiple batteries battery switches over.
6. vacuum pump according to claim 1 or 2, which is characterized in that
The power supply unit has communicating department, the battery power of the battery of the opposite motor supply electric power of the communicating department
The case where surplus is reduced is notified to.
7. vacuum pump according to claim 6, which is characterized in that
The communicating department includes the vision notification unit that is shown to the running-active status of control unit or/and can be by police
Sound or the sense of hearing of phonetic guiding output is reported to be notified to unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-199123 | 2017-10-13 | ||
| JP2017199123A JP6931847B2 (en) | 2017-10-13 | 2017-10-13 | Vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208707376U true CN208707376U (en) | 2019-04-05 |
Family
ID=63895948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821327751.4U Active CN208707376U (en) | 2017-10-13 | 2018-08-17 | Vacuum pump |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6931847B2 (en) |
| CN (1) | CN208707376U (en) |
| DE (1) | DE202018104553U1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2577876B (en) * | 2018-10-05 | 2022-02-16 | Edwards Ltd | Portable vacuum pump assembly and mass spectrometer |
| JP7204229B2 (en) * | 2020-12-14 | 2023-01-16 | 株式会社岡常歯車製作所 | Brake oil extraction device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3654469B2 (en) * | 1996-09-10 | 2005-06-02 | 松下電器産業株式会社 | Rechargeable battery remaining capacity detection method |
| US20060104836A1 (en) * | 2003-01-27 | 2006-05-18 | Alan Phillips | Cordless compressor |
| JP2008148462A (en) * | 2006-12-11 | 2008-06-26 | Okamura Corp | Moving object with power supply device |
| JP2008180098A (en) * | 2007-01-23 | 2008-08-07 | Tasuko Japan Kk | Vacuum pump |
| JP5790026B2 (en) * | 2011-02-28 | 2015-10-07 | 日立工機株式会社 | air compressor |
| JP5826614B2 (en) * | 2011-11-22 | 2015-12-02 | 株式会社マキタ | Air compressor |
| JP2014200899A (en) * | 2013-04-09 | 2014-10-27 | 株式会社マキタ | Power tool |
| JP6878104B2 (en) * | 2017-04-14 | 2021-05-26 | 株式会社マキタ | Electrical equipment and vacuum pumps |
-
2017
- 2017-10-13 JP JP2017199123A patent/JP6931847B2/en active Active
-
2018
- 2018-08-08 DE DE202018104553.9U patent/DE202018104553U1/en active Active
- 2018-08-17 CN CN201821327751.4U patent/CN208707376U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019073995A (en) | 2019-05-16 |
| JP6931847B2 (en) | 2021-09-08 |
| DE202018104553U1 (en) | 2018-09-27 |
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