CN207855996U - A kind of automatic control device that central negative pressure attracts and supplies oxygen - Google Patents
A kind of automatic control device that central negative pressure attracts and supplies oxygen Download PDFInfo
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- CN207855996U CN207855996U CN201720477727.8U CN201720477727U CN207855996U CN 207855996 U CN207855996 U CN 207855996U CN 201720477727 U CN201720477727 U CN 201720477727U CN 207855996 U CN207855996 U CN 207855996U
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Abstract
The utility model is related to a kind of central negative pressures to attract the automatic control device with oxygen supply, including negative pressure control, it is characterised in that：It further include oxygen supply control mechanism, the oxygen supply control mechanism includes an oxygen output passage, in the oxygen outlet connector that the rear and front end of oxygen output passage is separately installed with the oxygen intake connector being connect with source of oxygen and is connected with load, it is disposed with oxygen gas inlet pressure detection sensor, oxygen proportion adjusting valve group and oxygen outlet press detection sensor between oxygen intake connector and oxygen outlet connector, is adjusted in oxygen proportion and the first muffler is installed in valve group.The utility model scientific structure design is reasonable, have the advantages that small, light-weight, control accuracy is high, it is easy to use, control can be carried out at the same time to negative pressure and oxygen, be that a kind of central negative pressure with higher innovation attracts automatic control device with oxygen supply.
Description
Technical field
The utility model belongs to field of fluid control, is related to a kind of control device of pressure and oxygen, especially in one kind
The automatic control device of heart vacuum suction and oxygen supply.
Background technology
Central negative pressure aspirator uses more universal in operative drainage, imbibition, for example, in the flushing work for carrying out wound
When making, being placed in central negative pressure aspirator outside douche bag can be by pressure conduction to liquid bag, to enable the liquid in liquid bag
Enough lasting flowings are to carry out the flushing of wound.The precision size of central negative pressure control directly influences negative-pressure liquid suction and treatment
The quality of effect.
The wound not recovered for a long time is one of the technical barrier that the outer surgery of Now Domestic faces.Survey data is shown, outside China
In section's inpatient, because the surface of a wound chronic injury or ulcer wound of refractory need the patient of hospitalization to account for about 1.5%, wherein
Diabetic ulcer accounts for 36%, and ratio increased 6 times before 10 years.Clinical research shows to draw if carrying out negative pressure to open wound
It flows healing therapy and if off time carries out that oxygen is urged to handle, the healing of wound can be promoted.It is particularly due to the biology of anoxic
Caused by control refractory wound long, can utilize trace oxygen change surface of a wound biotic environment carry out Wound healing and bone regeneration.
But it is existing urge oxygen equipment relatively simple, in use, need by manual adjustment come to the flow of oxygen carry out
Control, operates relatively complicated.In addition, when if it is carrying out negative pressure drainage to wound and urge two kinds of processing modes of oxygen, also need
Individual two control devices are matched, alternating action are carried out to wound, entire work is time-consuming and laborious by being accomplished manually, cannot
Realization automatically controls.Therefore it provides a kind of can be carried out at the same time automatically controlling for control to the flow pressure of negative pressure and oxygen
Device be very it is necessary to.
Invention content
The purpose of the utility model is to overcome in place of the deficiencies in the prior art, provide a kind of small, light-weight, control
Accuracy is high, central negative pressure easy to use, that control can be carried out at the same time to negative pressure and oxygen attracts and what is supplied oxygen automatically controls dress
It sets.
The utility model solves its technical problem and is achieved through the following technical solutions：
A kind of automatic control device that central negative pressure attracts and supplies oxygen, including negative pressure control, it is characterised in that：Also wrap
Oxygen supply control mechanism is included, which includes an oxygen output passage, is distinguished in the rear and front end of oxygen output passage
The oxygen intake connector being connect with source of oxygen and the oxygen outlet connector with load connection are installed, in oxygen intake connector and oxygen
Oxygen gas inlet pressure detection sensor is disposed between gas outlet connection, oxygen proportion adjusts valve group and oxygen outlet pressure
Detection sensor adjusts in oxygen proportion and is equipped with the first muffler in valve group.
Moreover, the negative pressure control is made of negative pressure output channel and negative pressure exhaust access, two accesses are mutual
Connection is separately installed with the negative pressure inlet attack being connect with negative pressure source in the rear and front end of negative pressure output channel and is connected with load
Vacuum outlet connector, be disposed between negative pressure inlet attack and vacuum outlet connector negative pressure inlet pressure detection sensing
Device, negative pressure output solenoid valve group, negative pressure exhaust access and vacuum outlet press detection sensor, the negative pressure output solenoid valve
Group is made of negative pressure control valve and negative pressure aeration valve, and negative pressure control valve and negative pressure aeration valve are connected in parallel, and is arranged in the negative pressure
Negative pressure vent valve is installed on gas access, the second muffler is installed on negative pressure vent valve.
Moreover, it is that separate type oxygen proportion adjusts valve group, the separate type oxygen proportion that the oxygen proportion, which adjusts valve group,
It adjusts valve group to be made of oxygen control valve and oxygen air bleed passage, oxygen control valve is connected on oxygen output passage, in oxygen
The rear end of gas control valve is provided with the oxygen air bleed passage being connected with oxygen output passage, is installed on the oxygen air bleed passage
There is oxygen vent valve, the first muffler is installed on oxygen vent valve.
Moreover, it is that integrated form oxygen proportion adjusts valve group, the integrated form oxygen proportion that the oxygen proportion, which adjusts valve group,
Adjusting valve group uses device for the ratio pressure regulator of camozzi K8P-0-E522-0, and the muffler is mounted on the ratio tune
On depressor.
It the advantages of the utility model and has the beneficial effect that：
1. central negative pressure attracts the automatic control device with oxygen supply, pass through the control mechanism for attracting central negative pressure and confession
The automatic controls of oxygen combines, and when handling wound, first can carry out imbibition in 5 minutes to wound, then carry out 2 to wound
The oxygen supply of minute, the vigor for reinforcing wound leucocyte simultaneously induces growth factor, to have the function that accelerating wound healing.
2. the utility model scientific structure design is reasonable, have small, light-weight, control accuracy is high, it is easy to use,
The advantages of control capable of being carried out at the same time to negative pressure and oxygen, be a kind of central negative pressure with higher innovation attract with oxygen supply from
Dynamic control device.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the sectional view along A-A of Fig. 1；
Fig. 3 is the rearview of Fig. 1；
Fig. 4 is the B-B direction sectional view of Fig. 1；
Fig. 5 is the C-C of Fig. 1 to sectional view；
Fig. 6 is the connection relationship diagram of the utility model negative pressure control；
Fig. 7 is the connection relationship diagram that the utility model embodiment 1 supplies oxygen control mechanism；
Fig. 8 is the structural schematic diagram of the utility model embodiment 2；
Fig. 9 is the sectional view along A-A of Fig. 8；
Figure 10 is the rearview of Fig. 8；
Figure 11 is the B-B direction sectional view of Fig. 8；
Figure 12 is the C-C of Fig. 8 to sectional view；
Figure 13 is the connection relationship diagram that the utility model embodiment 2 supplies oxygen control mechanism.
Reference numeral
1- oxygen control valves, 2- valve seats, 3- negative pressure inlet pressures detection sensor, 4- oxygen outlets connector, 5- negative pressure controls
Valve processed, 6- oxygen vent valve, the second mufflers of 7-, the first mufflers of 8-, 9- oxygen outlets press detection sensor, 10- negative pressure
Outlet pressure detection sensor, 11- negative pressure aeration valve, 12- negative pressure vent valve, 13- vacuum outlets connector, 14- negative pressure entrances connect
Head, 15- oxygen intakes connector, 16- oxygen gas inlet pressures detection sensor, 17-camozzi K8P-0-E522-0 ratio pressure regulation
Device.
Specific implementation mode
Below by specific embodiment, the utility model is described in further detail, following embodiment be it is descriptive, no
It is restrictive, protection scope of this utility model cannot be limited by this.
Embodiment 1
A kind of automatic control device that central negative pressure attracts and supplies oxygen, including negative pressure control, innovation are：
Further include oxygen supply control mechanism, which includes an oxygen output passage, in the rear and front end of oxygen output passage
It is separately installed with the oxygen intake connector 15 being connect with source of oxygen and the oxygen outlet connector 4 with load connection, in oxygen intake
Oxygen gas inlet pressure detection sensor 16, separate type oxygen proportion regulating valve are disposed between connector and oxygen outlet connector
Group and oxygen outlet press detection sensor 9 adjust in oxygen proportion and are equipped with the first muffler 8 in valve group.
The negative pressure control is made of negative pressure output channel and negative pressure exhaust access, and two accesses are interconnected,
The rear and front end of negative pressure output channel be separately installed with the negative pressure inlet attack 14 being connect with negative pressure source and with load connection
Vacuum outlet connector 13 is disposed with negative pressure inlet pressure detection sensing between negative pressure inlet attack and vacuum outlet connector
Device 3, negative pressure output solenoid valve group, negative pressure exhaust access and vacuum outlet press detection sensor 10, negative pressure output electricity
Magnet valve group is made of negative pressure control valve 5 and negative pressure aeration valve 11, and negative pressure control valve and negative pressure aeration valve are connected in parallel, described
Negative pressure vent valve 12 is installed on negative pressure exhaust access, the second muffler 7 is installed on negative pressure vent valve.
The separate type oxygen proportion adjusts valve group and is made of oxygen control valve 1 and oxygen air bleed passage, defeated in oxygen
Go out and be connected with oxygen control valve on access, the rear end of oxygen control valve, which is provided with the oxygen being connected with oxygen output passage, puts
Gas access is equipped with oxygen vent valve 6 on the oxygen air bleed passage, the first muffler is equipped on oxygen vent valve.
Negative pressure control operation principle：
Negative pressure source enters valve group through negative pressure entrance, and the pressure value of entrance is detected by negative pressure inlet pressure detection sensor,
Negative pressure control valve and negative pressure aeration valve control gas enter, and gas is passed through by being connected with negative pressure vent valve after negative pressure control valve
Gas goes out valve group from vacuum outlet after vacuum outlet press detection sensor.When outlet pressure detects that pressure is less than setting value
When, negative pressure vent valve work, gas is communicated by the second muffler with air；When outlet pressure detects that pressure value is more than setting
When value, the work of negative pressure aeration valve, gas is by communicating reduction pressure value with inlet pressure.
Supply oxygen control mechanism operation principle：
Oxygen enters valve body by oxygen intake, is examined to inlet pressure by oxygen gas inlet pressure detection sensor
It surveys, oxygen break-make is controlled by oxygen control valve, oxygen is connected by valve body with oxygen vent valve.When oxygen outlet pressure sensing
When device detects that oxygen pressure is greater than the set value, oxygen vent valve is opened, and oxygen is discharged by the first muffler, reaches setting pressure
Power.
Embodiment 2
A kind of automatic control device that central negative pressure attracts and supplies oxygen, including negative pressure control, innovation are：
Further include oxygen supply control mechanism, which includes an oxygen output passage, in the rear and front end of oxygen output passage
It is separately installed with the oxygen intake connector being connect with source of oxygen and the oxygen outlet connector with load connection, in oxygen intake connector
Oxygen gas inlet pressure detection sensor is disposed between oxygen outlet connector, integrated form oxygen proportion adjusts valve group and oxygen
Gas outlet pressure detection sensor adjusts in oxygen proportion and is equipped with the first muffler in valve group.
The negative pressure control is made of negative pressure output channel and negative pressure exhaust access, and two accesses are interconnected,
It is separately installed with the negative pressure inlet attack being connect with negative pressure source in the rear and front end of negative pressure output channel and is connected with load negative
Press outlet connection, be disposed between negative pressure inlet attack and vacuum outlet connector negative pressure inlet pressure detection sensor,
Negative pressure output solenoid valve group, negative pressure exhaust access and vacuum outlet press detection sensor, the negative pressure output solenoid valve group
It is made of negative pressure control valve and negative pressure aeration valve, negative pressure control valve and negative pressure aeration valve are connected in parallel, in the negative pressure exhaust
Negative pressure vent valve is installed on access, the second muffler is installed on negative pressure vent valve.
The integrated form oxygen proportion adjusts valve group and uses device for the ratio pressure regulation of camozzi K8P-0-E522-0
Device 17, first muffler are mounted on the ratio pressure regulator.
Negative pressure control operation principle：
Negative pressure source enters valve group through negative pressure entrance, and the pressure value of entrance is detected by negative pressure inlet pressure detection sensor,
Negative pressure control valve and negative pressure aeration valve control gas enter, and gas is passed through by being connected with negative pressure vent valve after negative pressure control valve
Gas goes out valve group from vacuum outlet after vacuum outlet press detection sensor.When outlet pressure detects that pressure is less than setting value
When, negative pressure vent valve work, gas is communicated by the second muffler with air；When outlet pressure detects that pressure value is more than setting
When value, the work of negative pressure aeration valve, gas is by communicating reduction pressure value with inlet pressure.
Supply oxygen control mechanism operation principle：
Oxygen enters valve body by oxygen intake, is examined to inlet pressure by oxygen gas inlet pressure detection sensor
It surveys, pressure is adjusted by camozzi K8P-0-E522-0 ratio pressure regulators, oxygen passes through oxygen outlet press detection sensor
Outlet pressure is detected, is picked out from oxygen outlet connector, oxygen, which is discharged, in the first muffler reduces pressure.
Since the negative pressure control and oxygen supply control mechanism of the utility model are to be arranged independently of each other on valve seat 2, because
This, the utility model is equally applicable on independent negative pressure source or source of oxygen.
Although disclosing the embodiments of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be with
Understand：It is not departing from the utility model and spirit and scope of the appended claims, various substitutions, changes and modifications are all can
Can, therefore, the scope of the utility model is not limited to embodiment and attached drawing disclosure of that.
Claims (4)
1. a kind of central negative pressure attracts the automatic control device with oxygen supply, including negative pressure control, it is characterised in that：Further include
Control mechanism is supplied oxygen, which includes an oxygen output passage, is pacified respectively in the rear and front end of oxygen output passage
Oxygen outlet connector equipped with the oxygen intake connector being connect with source of oxygen and with load connection, in oxygen intake connector and oxygen
Oxygen gas inlet pressure detection sensor is disposed between outlet connection, oxygen proportion adjusts valve group and the inspection of oxygen outlet pressure
Sensor is surveyed, is adjusted in oxygen proportion and the first muffler is installed in valve group.
2. a kind of central negative pressure according to claim 1 attracts the automatic control device with oxygen supply, it is characterised in that：It is described
Negative pressure control be made of negative pressure output channel and negative pressure exhaust access, two accesses are interconnected, logical in negative pressure output
The rear and front end on road is separately installed with the negative pressure inlet attack being connect with negative pressure source and the vacuum outlet connector with load connection,
Negative pressure inlet pressure detection sensor, negative pressure output solenoid valve are disposed between negative pressure inlet attack and vacuum outlet connector
Group, negative pressure exhaust access and vacuum outlet press detection sensor, the negative pressure output solenoid valve group by negative pressure control valve and
Negative pressure aeration valve is constituted, and negative pressure control valve and negative pressure aeration valve are connected in parallel, are equipped on the negative pressure exhaust access negative
Air valve is pressed, the second muffler is installed on negative pressure vent valve.
3. a kind of central negative pressure according to claim 1 attracts the automatic control device with oxygen supply, it is characterised in that：It is described
Oxygen proportion adjust valve group be made of oxygen control valve and oxygen air bleed passage, oxygen control is connected on oxygen output passage
Valve processed is provided with the oxygen air bleed passage being connected with oxygen output passage in the rear end of oxygen control valve, deflates in the oxygen
Oxygen vent valve is installed on access, the first muffler is installed on oxygen vent valve.
4. a kind of central negative pressure according to claim 1 attracts the automatic control device with oxygen supply, it is characterised in that：It is described
Oxygen proportion adjust valve group be camozzi K8P-0-E522-0 ratio pressure regulators, the muffler be mounted on the ratio tune
On depressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477727.8U CN207855996U (en) | 2017-05-03 | 2017-05-03 | A kind of automatic control device that central negative pressure attracts and supplies oxygen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477727.8U CN207855996U (en) | 2017-05-03 | 2017-05-03 | A kind of automatic control device that central negative pressure attracts and supplies oxygen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207855996U true CN207855996U (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720477727.8U Active CN207855996U (en) | 2017-05-03 | 2017-05-03 | A kind of automatic control device that central negative pressure attracts and supplies oxygen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174675A (en) * | 2017-05-03 | 2017-09-19 | 天津市同业科技发展有限公司 | A kind of central negative pressure attracts the automatic controller with oxygen supply |
-
2017
- 2017-05-03 CN CN201720477727.8U patent/CN207855996U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174675A (en) * | 2017-05-03 | 2017-09-19 | 天津市同业科技发展有限公司 | A kind of central negative pressure attracts the automatic controller with oxygen supply |
| CN107174675B (en) * | 2017-05-03 | 2023-10-27 | 天津市同业科技发展有限公司 | Automatic controller for central negative pressure suction and oxygen supply |
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