CN106308886B - A kind of liquid supply device and method - Google Patents
A kind of liquid supply device and method Download PDFInfo
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- CN106308886B CN106308886B CN201610755813.0A CN201610755813A CN106308886B CN 106308886 B CN106308886 B CN 106308886B CN 201610755813 A CN201610755813 A CN 201610755813A CN 106308886 B CN106308886 B CN 106308886B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3203—Fluid jet cutting instruments
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Abstract
The present invention provides a kind of liquid supply device and method, which includes supply of liquid, plunger pump, fluid infusion source, feed flow mouth structure, fluid infusion mouth structure and monitoring unit.Wherein, supply of liquid is connected by fluid infusion mouth structure with plunger pump, and plunger pump is connected by feed flow mouth structure with external liquid reserve tank；When plunger pump does not work, fluid infusion source exports the liquid of storage inside into plunger pump, and plunger pump receives and stores the liquid of fluid infusion source output, and internal air is passed through supply opening structure output to liquid reserve tank；When monitoring unit monitors to have liquid output at feed flow mouth structure, trigger plunger pump is started to work.Liquid in fluid infusion source is exported into plunger pump, the air in plunger pump can be emptied, does not have to can use internal vacuum force in plunger pump when air to open fluid infusion.Therefore, this programme can make plunger pump open fluid infusion, to obtain the liquid of supply of liquid output.
Description
Technical field
The present invention relates to field of medical technology, in particular to a kind of liquid supply device and method.
Background technique
Water knife is a kind of High Pressure Water Jet Cutting Technology that is, using water as knife, can carry out cold cut to a variety of materials and cut.It is logical
It crosses the liquid that will be stored in liquid reserve tank to export to water knife, to guarantee the smooth execution of high pressure waterjet operation.In addition, defeated in liquid reserve tank
Out while liquid, liquid can be supplemented into liquid reserve tank by plunger pump.
Currently, plunger pump can obtain the liquid of supply of liquid output by fluid infusion, and will acquire by supply opening
Liquid export into liquid reserve tank.
But plunger pump it is initially use when its inside usually there is a certain amount of air, the presence of the partial air makes
Plunger pump cannot open fluid infusion, so that the liquid of supply of liquid output can not be obtained.
Summary of the invention
The present invention provides a kind of liquid supply device and methods, and plunger pump can be made to open fluid infusion, to obtain liquid supply
The liquid of source output.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
On the one hand, the present invention provides a kind of liquid supply devices, comprising:
Supply of liquid, plunger pump, fluid infusion source, feed flow mouth structure, fluid infusion mouth structure and monitoring unit；
The supply of liquid is connected by the fluid infusion mouth structure with the plunger pump；
The plunger pump is connected by the feed flow mouth structure with external liquid reserve tank；
When not working for the plunger pump, the liquid of storage inside is exported into the plunger pump for the fluid infusion source；
The plunger pump receives and stores the liquid of the fluid infusion source output, internal air is passed through the supply opening
Structure output is to the liquid reserve tank；When receiving the trigger action of the monitoring unit, start to work；
The monitoring unit triggers the plunger pump when for monitoring to have liquid output at the feed flow mouth structure.
Further, the supply opening structure is located at the top of the plunger pump.
Further, the monitoring unit, for monitoring there is liquid output, and output liquid at the feed flow mouth structure
Liquid level be not less than predetermined object height when, trigger the plunger pump.
Further, liquid supply device further include: construction of switch；
The fluid infusion source is connected by the construction of switch with the plunger pump；
When the plunger pump does not work, the construction of switch is in channel status；When the plunger pump work, the switch
Structure is in closed circuit state.
Further, liquid supply device further include: infusion mouth structure；
The supply of liquid is connected by the infusion mouth structure with the fluid infusion source；
The fluid infusion source is connected by the fluid infusion mouth structure with the plunger pump；
The plunger pump does not work, and when the fluid infusion source is in tensional state, and the infusion mouth structure is opened and described
Fluid infusion mouth structure is closed, and the liquid of the supply of liquid output is received by the infusion mouth structure；The non-work of plunger pump
Make, and the fluid infusion source is when in a compressed state, the infusion mouth structure is closed and the fluid infusion mouth structure is opened, and inside is deposited
The liquid of storage passes through the fluid infusion structure output to the plunger pump；
In the plunger pump course of work, the fluid infusion source is in channel status.
Further, the fluid infusion mouth structure includes: fluid infusion hole, bead and the first compressed spring；
One end of first compressed spring is connected with the bead, and another end position is fixed；
When the plunger pump is in tensional state, using the vacuum force inside the plunger pump by the bead and institute
Fluid infusion hole is stated mutually to separate, to open the fluid infusion mouth structure, and it is defeated by the fluid infusion mouth structure reception supply of liquid
Liquid out；The plunger pump is when in a compressed state, using the high-pressure forces inside the plunger pump by the bead with
The fluid infusion hole matches, to close the fluid infusion mouth structure.
Further, the feed flow mouth structure includes: confession fluid apertures, the spike-like structures including the head of a nail and rivet nut and second
Compressed spring；
The rivet nut passes through the confession fluid apertures and is located at the inside of second compressed spring；
One end of second compressed spring is connected with the rivet nut, and another end position is fixed；
When the plunger pump is in tensional state, the head of a nail is covered using the vacuum force inside the plunger pump
Confession fluid apertures are stated in residence, to close the feed flow mouth structure；The plunger pump is when in a compressed state, inside the plunger pump
High-pressure forces the head of a nail is mutually separated with the confession fluid apertures, to open the feed flow mouth structure, and by storage inside
Liquid passes through the supply opening structure output to the liquid reserve tank.
On the other hand, the present invention provides a kind of liquid replenishing methods, and supply of liquid is passed through fluid infusion mouth structure and plunger pump
It is connected, and the plunger pump is connected by feed flow mouth structure with external liquid reserve tank, further includes:
When the plunger pump does not work, the liquid of fluid infusion source storage inside is exported into the plunger pump；
The liquid that the fluid infusion source output is received and stored using the plunger pump, by the air inside the plunger pump
Pass through the supply opening structure output to the liquid reserve tank；
When monitoring to have liquid output at the feed flow mouth structure, triggers the plunger pump and start to work.
Further, this method further include: by the supply opening structure setting in the top of the plunger pump；
Further, described to monitor there is liquid output at the feed flow mouth structure, comprising: to monitor the supply opening knot
There is liquid output at structure, and the liquid level of output liquid is not less than predetermined object height.
Further, this method further include: the fluid infusion source is connected by construction of switch with the plunger pump；The column
When plug pump does not work, channel status is set by the construction of switch；When the plunger pump work, the construction of switch is arranged
For closed circuit state.
Further, described that supply of liquid is connected by fluid infusion mouth structure with plunger pump, comprising: to supply the liquid
Ying Yuan is connected by mouth structure of being infused with the fluid infusion source, and the fluid infusion source is passed through the fluid infusion mouth structure and the plunger
Pump is connected；
When the plunger pump does not work, the liquid of fluid infusion source storage inside is exported into the plunger pump, comprising: described
Plunger pump does not work, and when the fluid infusion source is in tensional state, and the infusion mouth structure is opened and the fluid infusion mouth structure
It closes, receives the liquid of the supply of liquid output by the infusion mouth structure using the fluid infusion source；The plunger pump
It does not work, and the fluid infusion source is when in a compressed state, the infusion mouth structure is closed and the fluid infusion mouth structure is opened, it will
The liquid of fluid infusion source storage inside passes through the fluid infusion structure output to the plunger pump；
This method further include: in the plunger pump course of work, set channel status for the fluid infusion source.
The present invention provides a kind of liquid supply device and method, which includes supply of liquid, plunger pump, fluid infusion
Source, feed flow mouth structure, fluid infusion mouth structure and monitoring unit.Wherein, supply of liquid is connected by fluid infusion mouth structure with plunger pump,
Plunger pump is connected by feed flow mouth structure with external liquid reserve tank；When plunger pump does not work, fluid infusion source is by the liquid of storage inside
Into plunger pump, plunger pump receives and stores the liquid of fluid infusion source output for output, and internal air is passed through feed flow mouth structure
It exports to liquid reserve tank；When monitoring unit monitors to have liquid output at feed flow mouth structure, trigger plunger pump is started to work.By fluid infusion
Liquid in source is exported into plunger pump, can empty the air in plunger pump, does not have to can use when air in plunger pump interior
The vacuum force in portion is to open fluid infusion.Therefore, the present invention can make plunger pump open fluid infusion, to obtain supply of liquid
The liquid of output.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of schematic diagram for liquid supply device that one embodiment of the invention provides；
Fig. 2 is the schematic diagram for another liquid supply device that one embodiment of the invention provides；
Fig. 3 is a kind of structural schematic diagram for feed flow mouth structure that one embodiment of the invention provides；
Fig. 4 is the schematic diagram for another liquid supply device that one embodiment of the invention provides；
Fig. 5 is a kind of structural schematic diagram for fluid infusion mouth structure that one embodiment of the invention provides；
Fig. 6 is a kind of flow chart for liquid replenishing method that one embodiment of the invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, one embodiment of the invention provides a kind of liquid supply device, comprising:
Supply of liquid 101, plunger pump 102, fluid infusion source 103, feed flow mouth structure 104, fluid infusion mouth structure 105 and monitoring are single
Member 106；
The supply of liquid 101 is connected by the fluid infusion mouth structure 105 with the plunger pump 102；
The plunger pump 102 is connected by the feed flow mouth structure 104 with external liquid reserve tank；
When not working for the plunger pump 102, the liquid of storage inside is exported to the column for the fluid infusion source 103
In plug pump 102；
The plunger pump 102 receives and stores the liquid that the fluid infusion source 103 exports, and internal air is passed through described
Feed flow mouth structure 104 is exported to the liquid reserve tank；When receiving the trigger action of the monitoring unit 106, start to work；
The monitoring unit 106 triggers the column when for monitoring to have liquid output at the feed flow mouth structure 104
Plug pump 102.
The embodiment of the invention provides a kind of liquid supply device, which includes supply of liquid, plunger pump, fluid infusion
Source, feed flow mouth structure, fluid infusion mouth structure and monitoring unit.Wherein, supply of liquid is connected by fluid infusion mouth structure with plunger pump,
Plunger pump is connected by feed flow mouth structure with external liquid reserve tank；When plunger pump does not work, fluid infusion source is by the liquid of storage inside
Into plunger pump, plunger pump receives and stores the liquid of fluid infusion source output for output, and internal air is passed through feed flow mouth structure
It exports to liquid reserve tank；When monitoring unit monitors to have liquid output at feed flow mouth structure, trigger plunger pump is started to work.By fluid infusion
Liquid in source is exported into plunger pump, can empty the air in plunger pump, does not have to can use when air in plunger pump interior
The vacuum force in portion is to open fluid infusion.Therefore, the embodiment of the present invention can make plunger pump open fluid infusion, to obtain liquid
The liquid of source of supply output.
In detail, for plunger pump when initially use, internal usually there are the air of certain volume.Plunger pump, which is in, to be stretched
When state, by internal vacuum force to open fluid infusion mouth structure, so as to obtain the liquid stored in supply of liquid
Body.But there are when air in plunger pump, the presence of the partial air can reduce above-mentioned vacuum force, so that it cannot open
Fluid infusion mouth structure is opened, so that fluid infusion operation can not be executed.Therefore, it is necessary to empty air present in plunger pump.
In embodiments of the present invention, it can use fluid infusion source and inject liquid into plunger pump with evacuation of air.Due to liquid
Density is much larger than atmospheric density, persistently increases so that with liquid in plunger pump, plunger pump inner air can gradually be emptied.
In detail, the air in plunger pump can be expelled in the liquid reserve tank of external connection by feed flow mouth structure, and with liquid reserve tank
Internal liquid persistently increases, original air and can be by liquid reserve tank from the air in plunger pump inside liquid reserve tank
The exhaust valve in portion is emptied.
After the air in plunger pump is drained, plunger pump be can work normally, to be supplied by fluid infusion mouth structure from liquid
Ying Yuanzhong obtains liquid.When plunger pump works normally, the participation in fluid infusion source may not need.Based on this case, the present invention is implemented
In example, the implementation for injecting liquid into plunger pump using fluid infusion source at least may include following two kinds:
Mode 1: fluid infusion source does not pass through fluid infusion mouth structure to plunger pump output liquid；
Mode 2: fluid infusion source passes through fluid infusion mouth structure to plunger pump output liquid.
In detail, for aforesaid way 1:
In an embodiment of the invention, referring to FIG. 2, the liquid supply device can also include: construction of switch 201；
The fluid infusion source 103 is connected by the construction of switch 201 with the plunger pump 102；
When the plunger pump 102 does not work, the construction of switch 201 is in channel status；The plunger pump 102 works
When, the construction of switch 201 is in closed circuit state.
It in detail, can be by fluid infusion mouth structure from supply of liquid after due to emptying the air in plunger pump
Liquid is obtained, this implementation is not necessarily to the participation in fluid infusion source, therefore fluid infusion source can be with the connectionless relationship of fluid infusion mouth structure.Cause
This, fluid infusion source does not pass through fluid infusion mouth structure to plunger pump output liquid.
In order to export the liquid in fluid infusion source into plunger pump, to exclude the air in plunger pump, can will mend
Liquid source is connected by a construction of switch with plunger pump.When plunger pump does not work, need the liquid in fluid infusion source being injected into column
In plug pump, therefore the construction of switch can be opened to be in channel status；When plunger pump work, it is not necessarily to fluid infusion source, therefore can be incited somebody to action
The construction of switch is closed to be in closed circuit state.
In one possible implementation, when which closes, the interface quilt between the construction of switch and plunger pump
It shuts, therefore fluid infusion source can be disassembled.
In an embodiment of the invention, the construction of switch can be opened by staff, and by liquid pressure in fluid infusion source
Enter in plunger pump, and the construction of switch can be closed by staff, and disassemble fluid infusion source.
Preferably, in an embodiment of the invention, the volume of the liquid stored in fluid infusion source can be not less than plunger pump
In volume of air, in order to disposably by plunger pump air empty.
In detail, when supply opening structure is located at the upper end of plunger pump, by will input liquid in plunger pump, liquid into
Entering can empty the air inside plunger pump by feed flow mouth structure.Preferably, can by supply opening structure setting in
The top of plunger pump.
Therefore, in an embodiment of the invention, the feed flow mouth structure 104 is located at the top of the plunger pump 102.In detail
Carefully, when having liquid output at feed flow mouth structure, illustrate that the air in plunger pump has been emptied completely.
After by the air emptying in plunger pump, fluid infusion source can stop working, and plunger pump is started to work.Plunger pump
During the work time, the motor connecting with plunger pump can drive the cam of plunger pump to rotate, and with the rotation of cam, plunger
Pump can be recycled in tensional state and compressive state.
When plunger pump is in tensional state, the seal cavity volume inside plunger pump is gradually increased, the suction function of generation
Power closes the unlatching of fluid infusion mouth structure and feed flow mouth structure, and the fluid infusion mouth structure by opening obtains in supply of liquid
The liquid of storage.Correspondingly, plunger pump is when in a compressed state, and the seal cavity volume inside plunger pump is gradually reduced, and generates
High-pressure forces make fluid infusion mouth structure close and feed flow mouth structure open, and by open feed flow mouth structure, will be from liquid
The liquid obtained in body source of supply is exported into liquid reserve tank.
In detail, from the above mentioned, by emptying air original in plunger pump, plunger pump can be made to pass through itself
Vacuum force open fluid infusion mouth structure.But plunger pump is connected by feed flow mouth structure with liquid reserve tank, and liquid reserve tank makes
With initial stage, inside equally exists large quantity of air.It can during feed flow mouth structure is by being opened into closing based on this phenomenon
There can be the case where air in liquid reserve tank enters plunger pump.When there is air again in plunger pump, it may not be possible to open and mend
Liquid mouth structure.In order to enable plunger pump normally to open fluid infusion mouth structure, in emptying plunger pump after original air, equally
Need to avoid the air in liquid reserve tank to enter in plunger pump.
Therefore, in order to avoid the air in liquid reserve tank enters in plunger pump, in an embodiment of the invention, figure is please referred to
3, the monitoring unit 106, for monitoring there is liquid output at the feed flow mouth structure 104, and the liquid level of output liquid is high
When degree is not less than predetermined object height, the plunger pump 102 is triggered.
In Fig. 3, there is liquid output at feed flow mouth structure, i.e., liquid through feed flow mouth structure by plunger pump export to storage
When the pipeline that liquid case is connected, illustrate that the air in plunger pump has emptied.Meanwhile to avoid the air in liquid reserve tank through supply opening knot
Structure enters in plunger pump, and the liquid that may be present over certain volume of feed flow mouth structure has reached the effect of fluid-tight.Such as at this
In invention one embodiment, when liquid enters the pipeline that is connected with liquid reserve tank by plunger pump through feed flow mouth structure, and in pipeline
Liquid levels height is not less than L1When, it can be pumped with trigger plunger, so that plunger pump is started to work.
In the plunger pump course of work, feed flow mouth structure can nearby have the liquid of certain volume always, to avoid liquid storage
Air in pipeline shown in case and Fig. 3 enters in plunger pump through feed flow mouth structure.And plunger pump work is after a certain period of time, pipeline
It is interior air to be not present there is only liquid.Then, continuing working exporting liquid into liquid reserve tank with plunger pump,
The air that can be emptied completely in liquid reserve tank.
In an embodiment of the invention, described referring to FIG. 3, providing a kind of structural schematic diagram of feed flow mouth structure
Feed flow mouth structure 104 includes: confession fluid apertures 1041, including the head of a nail and the spike-like structures of rivet nut 1042 and the second compressed spring
1043；
The rivet nut passes through the confession fluid apertures 1041 and is located at the inside of second compressed spring 1043；
One end of second compressed spring 1043 is connected with the rivet nut, and another end position is fixed；
When the plunger pump 102 is in tensional state, using the vacuum force inside the plunger pump 102 by the nail
Cap covers the confession fluid apertures 1041, to close the feed flow mouth structure 104；The plunger pump 102 is when in a compressed state, benefit
The head of a nail is separated with 1041 phase of confession fluid apertures with the high-pressure forces inside the plunger pump 102, to open the confession
Liquid mouth structure 104, and the liquid of storage inside is exported by the feed flow mouth structure 104 to the liquid reserve tank.
In Fig. 3, dotted line position is corresponding there are confession fluid apertures, and it can be round, and the circular diameter that confession fluid apertures, which are,
It can be L2.Under current state, confession fluid apertures are not covered by the head of a nail of spike-like structures.
In detail, as shown in figure 3, the upper end position of the second compressed spring is fixed, lower end is connected with the rivet nut of spike-like structures.
When plunger pump is in tensional state, the seal cavity inside plunger pump is in negative pressure state, under corresponding suction function, the
Two compressed springs are become smaller by compression degree, and spring upper end is fixed but the opposite spike for moving down, therefore connecting with spring of lower spring end
Structure is opposite to be moved down, and so that the head of a nail is covered confession fluid apertures, gapless between the head of a nail and confession fluid apertures.
Then, when plunger pump is when in a compressed state, the seal cavity inside plunger pump is in high pressure conditions, corresponding
Under high pressure effect, the second compressed spring is increased by compression degree, and spring upper end, which is fixed, but lower spring end is opposite moves up, thus with bullet
The spike-like structures of spring connection are opposite to be moved up, and prevents the head of a nail from covering confession fluid apertures, occurs gap, the two between the head of a nail and confession fluid apertures
Mutually separate.
In detail, wall body present in confession fluid apertures can be for the outer wall above plunger pump, the pipe being connected with feed flow mouth structure
Road can be connected with liquid reserve tank, to be exported liquid into liquid reserve tank by plunger pump by the pipeline.
In detail, for aforesaid way 2:
In an embodiment of the invention, referring to FIG. 4, the liquid supply device can also include: infusion mouth structure 202；
The supply of liquid 101 is connected by the infusion mouth structure 202 with the fluid infusion source 103；
The fluid infusion source 103 is connected by the fluid infusion mouth structure 105 with the plunger pump 102；
The plunger pump 102 does not work, and when the fluid infusion source 103 is in tensional state, the infusion mouth structure 202 is opened
It opens and the fluid infusion mouth structure 105 is closed, the liquid that the supply of liquid 101 exports is received by the infusion mouth structure 202
Body；The plunger pump 102 does not work, and the fluid infusion source 103 is when in a compressed state, the infusion mouth structure 202 close and
The fluid infusion mouth structure 105 is opened, and the liquid of storage inside is exported by the fluid infusion mouth structure 105 to the plunger pump
102；
In 102 course of work of plunger pump, the fluid infusion source 103 is in channel status.
In detail, fluid infusion source can be used as the intermediary between supply of liquid and fluid infusion mouth structure.Fluid infusion source can pass through
Be infused mouth structure obtain supply of liquid in liquid, and by the liquid of acquisition by fluid infusion structure output into plunger pump with
Empty the air in plunger pump.After air emptying, plunger pump is worked normally, and can set fluid infusion source to channel status, column
Plug pump can pass sequentially through fluid infusion mouth structure, fluid infusion source, infusion mouth structure to obtain the liquid in supply of liquid.This case
Under, it is that the liquid in supply of liquid enters plunger pump since fluid infusion source and infusion mouth structure and fluid infusion mouth structure homogeneously connect
Channel, therefore when plunger pump normal work, fluid infusion source is not disassembled usually.
In an embodiment of the invention, fluid infusion source equally can be a plunger pump.Furthermore, it is possible to be controlled by staff
The liquid that the plunger pump obtains liquid from supply of liquid, and will acquire is made to be pressed into the plunger pump being connected with liquid reserve tank.
When the plunger pump being connected with liquid reserve tank works normally, fluid infusion source can be stretched to stationary state by this plunger pump, so that should
There are the seal cavity of fixed volume in plunger pump, which is in channel status, and effect is similar to a liquid flow
It threads a pipe, so that the liquid in supply of liquid can be circulated to fluid infusion mouth structure by the seal cavity.
In an embodiment of the invention, described referring to FIG. 5, providing a kind of structural schematic diagram of fluid infusion mouth structure
Fluid infusion mouth structure 105 includes: fluid infusion hole 1051, bead 1052 and the first compressed spring 1053；
One end of first compressed spring 1053 is connected with the bead 1052, and another end position is fixed；
When the plunger pump 102 is in tensional state, using the vacuum force inside the plunger pump 102 by the pearl
Body 1052 is separated with 1051 phase of fluid infusion hole, to open the fluid infusion mouth structure 105, and passes through the fluid infusion mouth structure 105
Receive the liquid that the supply of liquid 101 exports；The plunger pump 102 is when in a compressed state, utilizes the plunger pump 102
Internal high-pressure forces match the bead 1052 with the fluid infusion hole 1051, to close the fluid infusion mouth structure 105.
In an embodiment of the invention, bead can be any one in bead, plastic bead, stainless shot, i.e.,
The material of the bead can not be limited excessively, and the shape of the bead equally can not be limited excessively, as the bead can be with
Spheroid shape.
In Fig. 5, dotted line position is corresponding, and there are fluid infusion holes, and the diameter in fluid infusion hole can be L3.First compressed spring
Upper end be connected with bead, lower end position is fixed.Under current state, fluid infusion hole and bead match, and fluid infusion mouth structure, which is in, to close
Closed state.
When plunger pump is in tensional state, the seal cavity inside plunger pump is in negative pressure state, in corresponding negative pressure
Under effect, the first compressed spring is further compressed, and lower spring end, which is fixed, but spring upper end is opposite moves down, therefore bead and fluid infusion hole
It mutually separates, there is gap between the two, fluid infusion mouth structure is in the open state.When fluid infusion mouth structure is opened, in supply of liquid
Liquid can be exported by gap in the seal cavity to plunger pump, and is carried out liquid and kept in, to realize that fluid infusion operates.
Accordingly, when plunger pump is when in a compressed state, the seal cavity inside plunger pump is in high pressure conditions, corresponding
High pressure effect under, the first compressed spring is become smaller by compression degree, and lower spring end, which is fixed, but spring upper end is opposite moves up, therefore pearl
Body and fluid infusion hole match, between the two gapless, operate without fluid infusion.
In an embodiment of the invention, the infusion mouth structure being connected with fluid infusion source and supply of liquid can be with Fig. 5 institute
The fluid infusion mouth structure shown is identical.
In detail, after plunger pump is started to work, when plunger pump is in tensional state, the suction function inside plunger pump is utilized
Power can be such that infusion port structure and fluid infusion mouth structure opens, and fluid infusion source can be used as fluid passage and be in channel status, from
And the liquid in available supply of liquid；Plunger pump is when in a compressed state, using the high-pressure forces inside plunger pump,
Infusion port structure and fluid infusion mouth structure can be made to be turned off.
In an embodiment of the invention, which can be used for field of medical technology, wherein in the liquid supply device
The liquid of circulation can be physiological saline.
As shown in fig. 6, may comprise steps of the embodiment of the invention provides a kind of liquid replenishing method:
Step 301: supply of liquid being connected by fluid infusion mouth structure with plunger pump, and the plunger pump is passed through into feed flow
Mouth structure is connected with external liquid reserve tank.
Step 302: when the plunger pump does not work, the liquid of fluid infusion source storage inside being exported into the plunger pump.
Step 303: the liquid of the fluid infusion source output is received and stored using the plunger pump, it will be in the plunger pump
The air in portion passes through the supply opening structure output to the liquid reserve tank.
Step 304: when monitoring to have liquid output at the feed flow mouth structure, triggering the plunger pump and start to work.
In one embodiment of the invention, in order to which the air in plunger pump is fully erased, so, this method can
To further comprise: by the supply opening structure setting in the top of the plunger pump.
In detail, when supply opening structure is located at the upper end of plunger pump, by will input liquid in plunger pump, liquid into
Entering can empty the air inside plunger pump by feed flow mouth structure.It and preferably, can be by supply opening structure setting
In the top of plunger pump.When having liquid output at feed flow mouth structure, illustrate that the air in plunger pump has been drained.
In one embodiment of the invention, after being completely removed for the air guaranteed in plunger pump, liquid reserve tank
In air cannot by feed flow pore structure to enter in plunger pump, so, it is described to monitor have at the feed flow mouth structure
Liquid output, comprising: monitor there is liquid output at the feed flow mouth structure, and the liquid level of output liquid is not less than preparatory
Determining object height.
In detail, when plunger pump works normally, if plunger pump is transformed into tensional state by compressive state, supply opening knot
Structure is in off state by open state transformation.In the state transition process of feed flow mouth structure, stored up since feed flow mouth structure connects
Liquid case, and inside includes large quantity of air when the use of liquid reserve tank initial stage, so that nearby easily there is air in feed flow mouth structure, and should
Partial air easily enters in plunger pump.There are when air in plunger pump, may not be able to be opened using the vacuum force of therein
Fluid infusion mouth structure is opened, so that the liquid in supply of liquid can not be obtained.To avoid the occurrence of this phenomenon, supply opening knot can be made
Retain a part of liquid at structure, the presence of the partially liq can stop air to enter in plunger pump.
In detail, plunger pump is at the initial stage of using, inside usually there is a certain amount of air, therefore can use fluid infusion source Xiang Zhu
Liquid is injected in plug pump with evacuation of air.After the emptying of plunger pump inner air, plunger pump be can work normally, to pass through fluid infusion
Mouth structure obtains liquid from supply of liquid.Wherein, the implementation of liquid is injected at least into plunger pump using fluid infusion source
May include following two kinds:
Mode A: fluid infusion source does not pass through fluid infusion mouth structure to plunger pump output liquid；
Mode B: fluid infusion source passes through fluid infusion mouth structure to plunger pump output liquid.
For aforesaid way A:
In one embodiment of the invention, this method may further include: the fluid infusion source is passed through construction of switch
It is connected with the plunger pump；
When the plunger pump does not work, channel status is set by the construction of switch；When the plunger pump work, by institute
It states construction of switch and is set as closed circuit state.
It in detail, can be by fluid infusion mouth structure from supply of liquid after due to emptying the air in plunger pump
Liquid is obtained, this implementation is not necessarily to the participation in fluid infusion source, therefore fluid infusion source can be with the connectionless relationship of fluid infusion mouth structure.Cause
This, fluid infusion source can be connected by a construction of switch with plunger pump.When plunger pump does not work, need the liquid in fluid infusion source
It is injected into plunger pump, therefore the construction of switch can be opened to be in channel status；When plunger pump work, it is not necessarily to fluid infusion source,
Therefore the construction of switch can be closed to be in closed circuit state.In one implementation, when which closes, the switch
Interface between structure and plunger pump is shut, therefore can disassemble fluid infusion source.
In an embodiment of the invention, the construction of switch can be opened by staff, and by liquid pressure in fluid infusion source
Enter in plunger pump, and the construction of switch can be closed by staff, and disassemble fluid infusion source.
Preferably, the volume of the liquid stored in fluid infusion source can be not less than the volume of air in plunger pump, in order to one
Secondary property empties the air in plunger pump.
For aforesaid way B:
In one embodiment of the invention, described that supply of liquid is connected by fluid infusion mouth structure with plunger pump, packet
It includes: the supply of liquid being connected by infusion mouth structure with the fluid infusion source, and the fluid infusion source is passed through into the fluid infusion
Mouth structure is connected with the plunger pump；
When the plunger pump does not work, the liquid of fluid infusion source storage inside is exported into the plunger pump, comprising: described
Plunger pump does not work, and when the fluid infusion source is in tensional state, and the infusion mouth structure is opened and the fluid infusion mouth structure
It closes, receives the liquid of the supply of liquid output by the infusion mouth structure using the fluid infusion source；The plunger pump
It does not work, and the fluid infusion source is when in a compressed state, the infusion mouth structure is closed and the fluid infusion mouth structure is opened, it will
The liquid of fluid infusion source storage inside passes through the fluid infusion structure output to the plunger pump；
This method may further include: in the plunger pump course of work, set channel status for the fluid infusion source.
In detail, fluid infusion source can be used as the intermediary between supply of liquid and fluid infusion mouth structure, pass through mouth structure of being infused
The liquid in supply of liquid is obtained, and the liquid of acquisition is passed through into fluid infusion structure output into plunger pump to empty plunger pump
In air.After air emptying, plunger pump is worked normally, and can set fluid infusion source to channel status, and plunger pump can be according to
It is secondary by fluid infusion mouth structure, fluid infusion source, infusion mouth structure to obtain the liquid in supply of liquid.Under this case, plunger pump
When normal work, fluid infusion source is not disassembled usually.
In an embodiment of the invention, fluid infusion source equally can be a plunger pump.Furthermore, it is possible to be controlled by staff
The liquid that the plunger pump obtains liquid from supply of liquid, and will acquire is made to be pressed into the plunger pump being connected with liquid reserve tank.
When the plunger pump being connected with liquid reserve tank works normally, fluid infusion source can be stretched to stationary state by this plunger pump, so that should
There are the seal cavity of fixed volume in plunger pump, which is in channel status, and effect is similar to a liquid flow
It threads a pipe, so that the liquid in supply of liquid can be circulated to fluid infusion mouth structure by the seal cavity.
In conclusion each embodiment of the invention at least has the following beneficial effects:
1, in the embodiment of the present invention, which includes supply of liquid, plunger pump, fluid infusion source, feed flow mouth structure, mends
Liquid mouth structure and monitoring unit.Wherein, supply of liquid is connected by fluid infusion mouth structure with plunger pump, and plunger pump passes through supply opening
Structure is connected with external liquid reserve tank；When plunger pump does not work, fluid infusion source exports the liquid of storage inside into plunger pump, column
Plug pump receives and stores the liquid of fluid infusion source output, and internal air is passed through supply opening structure output to liquid reserve tank；Monitoring
When unit monitors to have liquid output at feed flow mouth structure, trigger plunger pump is started to work.By the liquid in fluid infusion source export to
In plunger pump, the air in plunger pump can be emptied, do not have to can use when air in plunger pump internal vacuum force with
Open fluid infusion.Therefore, the embodiment of the present invention can make plunger pump open fluid infusion, to obtain the liquid of supply of liquid output
Body.
It should be noted that, in this document, such as first and second etc relational terms are used merely to an entity
Or operation is distinguished with another entity or operation, is existed without necessarily requiring or implying between these entities or operation
Any actual relationship or order.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-
It is exclusive to include, so that the process, method, article or equipment for including a series of elements not only includes those elements,
It but also including other elements that are not explicitly listed, or further include solid by this process, method, article or equipment
Some elements.In the absence of more restrictions, the element limited by sentence " including one ", is not arranged
Except there is also other identical factors in the process, method, article or apparatus that includes the element.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can store in computer-readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
In the various media that can store program code such as disk.
Finally, it should be noted that the foregoing is merely presently preferred embodiments of the present invention, it is merely to illustrate skill of the invention
Art scheme, is not intended to limit the scope of the present invention.Any modification for being made all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., are included within the scope of protection of the present invention.
Claims (10)
1. a kind of liquid supply device, comprising: supply of liquid, plunger pump, feed flow mouth structure, fluid infusion mouth structure, the liquid supply
Source is connected by the fluid infusion mouth structure with the plunger pump, and the plunger pump passes through the feed flow mouth structure and external liquid storage
Case is connected, which is characterized in that further includes fluid infusion source and monitoring unit；It the fluid infusion source will when not working for the plunger pump
The liquid of storage inside is exported into the plunger pump；The plunger pump receives and stores the liquid of the fluid infusion source output, will
Internal air passes through the supply opening structure output to the liquid reserve tank；In the trigger action for receiving the monitoring unit
When, it starts to work；The monitoring unit triggers the plunger when for monitoring to have liquid output at the feed flow mouth structure
Pump.
2. liquid supply device according to claim 1, which is characterized in that the supply opening structure is located at the top of the plunger pump
End；And/or the monitoring unit, for monitoring there is liquid output at the feed flow mouth structure, and the liquid level of output liquid is high
When degree is not less than predetermined object height, the plunger pump is triggered.
3. liquid supply device according to claim 1, which is characterized in that further comprise: construction of switch；The fluid infusion source is logical
The construction of switch is crossed to be connected with the plunger pump；When the plunger pump does not work, the construction of switch is in channel status；Institute
When stating plunger pump work, the construction of switch is in closed circuit state.
4. liquid supply device according to claim 1, which is characterized in that further comprise: infusion mouth structure；The liquid supplies
Ying Yuan is connected by the infusion mouth structure with the fluid infusion source；The fluid infusion source passes through the fluid infusion mouth structure and the plunger
Pump is connected；The plunger pump does not work, and when the fluid infusion source is in tensional state, and the infusion mouth structure is opened and the benefit
Liquid mouth structure is closed, and the liquid of the supply of liquid output is received by the infusion mouth structure；The plunger pump does not work,
And the fluid infusion source is when in a compressed state, the infusion mouth structure is closed and the fluid infusion mouth structure is opened, by storage inside
Liquid pass through the fluid infusion structure output to the plunger pump；In the plunger pump course of work, the fluid infusion source is in
Channel status.
5. according to claim 1 to any liquid supply device in 4, which is characterized in that the fluid infusion mouth structure includes: fluid infusion
Hole, bead and the first compressed spring；One end of first compressed spring is connected with the bead, and another end position is fixed；
When the plunger pump is in tensional state, using the vacuum force inside the plunger pump by the bead and the fluid infusion hole
It mutually separates, to open the fluid infusion mouth structure, and the liquid that the supply of liquid exports is received by the fluid infusion mouth structure；
The plunger pump is when in a compressed state, using the high-pressure forces inside the plunger pump by the bead and the fluid infusion hole
It matches, to close the fluid infusion mouth structure.
6. according to claim 1 to any liquid supply device in 4, which is characterized in that the feed flow mouth structure includes: feed flow
Hole, the spike-like structures including the head of a nail and rivet nut and the second compressed spring；The rivet nut passes through the confession fluid apertures and is located at described
The inside of second compressed spring；One end of second compressed spring is connected with the rivet nut, and another end position is fixed；It is described
When plunger pump is in tensional state, the head of a nail is covered into the feed flow using the vacuum force inside the plunger pump
Hole, to close the feed flow mouth structure；The plunger pump is when in a compressed state, is acted on using the high pressure inside the plunger pump
Power mutually separates the head of a nail with the confession fluid apertures, to open the feed flow mouth structure, and the liquid of storage inside is passed through institute
Supply opening structure output is stated to the liquid reserve tank.
7. a kind of liquid replenishing method, which is characterized in that supply of liquid is connected by fluid infusion mouth structure with plunger pump, and will be described
Plunger pump is connected by feed flow mouth structure with external liquid reserve tank, further includes: when the plunger pump does not work, inside fluid infusion source
The liquid of storage is exported into the plunger pump；The liquid of the fluid infusion source output is received and stored using the plunger pump, with
Air inside the plunger pump is passed through into the supply opening structure output to the liquid reserve tank；Monitor the feed flow mouth structure
When there is liquid output at place, triggers the plunger pump and start to work.
8. the method according to the description of claim 7 is characterized in that further comprising: by the supply opening structure setting in institute
State the top of plunger pump；And/or described monitor there is liquid output at the feed flow mouth structure, comprising: monitor the feed flow
There is liquid output at mouth structure, and the liquid level of output liquid is not less than predetermined object height.
9. the method according to the description of claim 7 is characterized in that further comprising: the fluid infusion source is passed through construction of switch
It is connected with the plunger pump；When the plunger pump does not work, channel status is set by the construction of switch；The plunger pump work
When making, closed circuit state is set by the construction of switch.
10. according to the method any in claim 7 to 9, which is characterized in that described that supply of liquid is passed through fluid infusion
Structure is connected with plunger pump, comprising: the supply of liquid is connected by infusion mouth structure with the fluid infusion source, and will be described
Fluid infusion source is connected by the fluid infusion mouth structure with the plunger pump；When the plunger pump does not work, by fluid infusion source storage inside
Liquid export into the plunger pump, comprising: the plunger pump does not work, and when the fluid infusion source is in tensional state, will
The infusion mouth structure is opened and the fluid infusion mouth structure is closed, and receives institute by the infusion mouth structure using the fluid infusion source
State the liquid of supply of liquid output；The plunger pump does not work, and the fluid infusion source is when in a compressed state, by the infusion
Mouth structure is closed and the fluid infusion mouth structure is opened, and the liquid of fluid infusion source storage inside is defeated by the fluid infusion mouth structure
Out to the plunger pump；Further comprise: in the plunger pump course of work, setting channel status for the fluid infusion source.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610755813.0A CN106308886B (en) | 2016-08-30 | 2016-08-30 | A kind of liquid supply device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610755813.0A CN106308886B (en) | 2016-08-30 | 2016-08-30 | A kind of liquid supply device and method |
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| CN106308886A CN106308886A (en) | 2017-01-11 |
| CN106308886B true CN106308886B (en) | 2019-04-12 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1980609A (en) * | 2004-06-30 | 2007-06-13 | 爱尔伯电子医疗设备公司 | Medical pump |
| WO2010005896A1 (en) * | 2008-07-08 | 2010-01-14 | Parker-Hannifin Corporation | High pressure intensifier system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5115088B2 (en) * | 2007-08-10 | 2013-01-09 | セイコーエプソン株式会社 | Surgical tool |
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2016
- 2016-08-30 CN CN201610755813.0A patent/CN106308886B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1980609A (en) * | 2004-06-30 | 2007-06-13 | 爱尔伯电子医疗设备公司 | Medical pump |
| WO2010005896A1 (en) * | 2008-07-08 | 2010-01-14 | Parker-Hannifin Corporation | High pressure intensifier system |
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| Publication number | Publication date |
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| CN106308886A (en) | 2017-01-11 |
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