CN206892699U - Fujinon electronic video endoscope air pressure and volume control device - Google Patents
Fujinon electronic video endoscope air pressure and volume control device Download PDFInfo
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- CN206892699U CN206892699U CN201720618063.2U CN201720618063U CN206892699U CN 206892699 U CN206892699 U CN 206892699U CN 201720618063 U CN201720618063 U CN 201720618063U CN 206892699 U CN206892699 U CN 206892699U
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Abstract
The utility model discloses a kind of fujinon electronic video endoscope air pressure and volume control device, including air pump and mirror body gas inlet tube, also include the first magnetic valve and second solenoid valve, the two magnetic valves are two-bit triplet magnetic valve, the gas outlet of the air pump is connected by gas outlet tube with the import of the first magnetic valve, the import of the first outlet and second solenoid valve of first magnetic valve connects, first throttle valve is installed at the second outlet of the first magnetic valve, the first outlet of the second solenoid valve is connected with mirror body gas inlet tube, and the 3rd choke valve is housed at the first outlet of second solenoid valve, second throttle is housed at the second outlet of second solenoid valve.The utility model is designed reasonably, simple in construction, implementation is easy, cost is low, by adjusting and fixing each choke valve, air pressure and traffic security and stably of the output to mirror body are can ensure that, gas pressure and flow are relatively fixed corresponding to each gear, fluctuation range very little.
Description
Technical field
The utility model belongs to technical field of medical instruments, specifically, more particularly to a kind of fujinon electronic video endoscope air pressure and
Volume control device.
Background technology
Electronic endoscope system is increasingly widely used in medical examination and operation, and Medical Cold Light Source provides for system
Continual and steady air pressure in inspection or surgical procedure.Wherein air pressure and flow need have three gears in scope safe to the human body
Regulation, allow doctor to there is corresponding gear to select under different operating.Substantially there is two kinds of solution in currently available technology
Scheme：
A kind of is the control electric current by adjusting air pump, and electric current is different, and the atmospheric pressure and flow of air pump output are just different,
Reach the purpose of regulation air pressure and flow.A kind of air pump device as disclosed in Chinese patent CN 205260275U, the device include
Air pump, is provided with gas bomb on the output pipe of air pump, and the input interface of gas bomb connects the output interface of the air pump, institute
The output interface for stating gas bomb is connected to input interface with device of air.By setting gas bomb to make on the output pipe of air pump
The air-flow of air pump output is re-supplied to device of air after the buffering release of gas bomb use device of air so that being output to
Air pressure it is more stable.The offer air pressure and the stability of flow that this scheme can be suitably, but point gear regulation of air pressure and flow
By current control, air pump output is just unstable, and control circuit cost is of a relatively high.
Another scheme is adjusted in real time by pressure sensor Real-time Feedback air pressure and flow and by single-chip microcomputer so that gas
Pressure and flow are relatively stable.A kind of endoscope stream pressure control system as disclosed in Chinese patent CN 2922782Y, including gas
Pump, control system is connected with air pump, described control system includes single-chip microcomputer, and one end of single-chip microcomputer is connected to pressure setting
Device, one end are connected to air pump；The other end of air pump is connected to gas outlet tube, and pressure sensor is provided with gas outlet tube road, pressure
The signal of force snesor feeds back to single-chip microcomputer.This scheme is by pressure sensor Real-time Feedback air pressure and flow and passes through monolithic
Machine is adjusted in real time so that air pressure and flow are relatively stable, but overall plan is more complicated, and cost is higher.
Utility model content
In view of the drawbacks described above of prior art, technical problem to be solved in the utility model is to provide in a kind of electronics
Sight glass air pressure and volume control device.
Technical solutions of the utility model are as follows：A kind of fujinon electronic video endoscope air pressure and volume control device, including air pump and mirror
Body gas inlet tube, it is characterised in that：Also include the first magnetic valve and second solenoid valve, the two magnetic valves are two-bit triplet electricity
Magnet valve, the gas outlet of the air pump are connected by gas outlet tube with the import of the first magnetic valve, the first outlet of the first magnetic valve
It is connected with the import of second solenoid valve, first throttle valve is installed at the second outlet of the first magnetic valve, the second solenoid valve
First outlet is connected with mirror body gas inlet tube, and the 3rd choke valve, second solenoid valve are housed at the first outlet of second solenoid valve
Second outlet at second throttle is housed.
The utility model is by adjusting and after fixed each choke valve, the device exports the air pressure and traffic security to mirror body
And stably, gas pressure and flow are relatively fixed corresponding to each gear, fluctuation range very little.In addition, if desired more gears such as N
When gear adjusts air pressure and flow, the magnetic valve and N number of choke valve of corresponding N-1 two-bit triplet of setting are used cooperatively, i.e.,
The regulation of corresponding gear grade can be achieved.
Check valve is in series with the mirror body gas inlet tube, to prevent the feelings of air-flow or the backflow of the current of mirror body front end
Condition.
For the ease of assembling and arranging, to save pipeline as far as possible, first magnetic valve and second solenoid valve pass through spiral shell
Nail concatenation is assembled together.
For the ease of installation, first magnetic valve and second solenoid valve are installed in same magnetic valve fixed plate, should
Magnetic valve fixed plate is fixed on one end of location-plate, and the air pump is fixed on the other end of location-plate.
Beneficial effect：The utility model is designed reasonably, simple in construction, implementation is easy, cost is low, each by adjusting and fixing
Individual choke valve, air pressure and traffic security and stably of the output to mirror body are can ensure that, gas pressure and flow are equal corresponding to each gear
It is relatively fixed, fluctuation range very little.
Brief description of the drawings
Fig. 1 is stereogram of the present utility model.
Fig. 2 is the schematic diagram of the utility model output high gear air pressure and flow.
Fig. 3 is the schematic diagram of gear air pressure and flow in the utility model output.
Fig. 4 is the schematic diagram of the utility model output low gear air pressure and flow.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Figure 1, Figure 2, Figure 3, Figure 4, air pump 1, other end installation magnetic valve fixed plate are installed in one end of location-plate 3
9.The gas outlet of air pump 1 is connected by gas outlet tube 2 with the import of the first magnetic valve 4, and the first magnetic valve 4 is two-bit triplet electromagnetism
Valve, the first outlet of the first magnetic valve 4 are connected with the import of second solenoid valve 5, installation the at the second outlet of the first magnetic valve 4
One choke valve 11.Second solenoid valve 5 is also two-bit triplet magnetic valve, and the first magnetic valve 4 and second solenoid valve 5 are concatenated by screw
It is assembled together, and the first magnetic valve 4 and second solenoid valve 5 are installed in same magnetic valve fixed plate 9.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the first outlet of second solenoid valve 5 is connected with mirror body gas inlet tube 6, and the
3rd choke valve 7 is housed at the first outlet of two magnetic valves 5, check valve 8 is in series with mirror body gas inlet tube 6.Second electromagnetism
Second throttle 10 is housed at the second outlet of valve 5.
Operation principle of the present utility model is as follows：
When needing device output high gear air pressure and flow, the first magnetic valve 4 and second solenoid valve 5 are in powering off
Closed mode, as shown in Fig. 2 the air-flow that air pump 1 exports is entered by the import of the first magnetic valve 4, now the first magnetic valve 4
Second outlet is closed, and air-flow enters the import of second solenoid valve 5, the second electromagnetism after being exported by its first outlet
The second outlet of valve 5 is also at closed mode, and air-flow is just output to mirror body input from the first outlet of second solenoid valve 5, together
When the 3rd choke valve 7 is adjusted so that the gas flow exported from there is in predetermined high gear scope, locked after regulating
Tight 3rd choke valve 7 is simultaneously fixed with glue special.
When gear air pressure in needing the device to export and flow, the first magnetic valve 4 is in powered open state, the second electricity
Magnet valve 5 is in power-off closed mode, as shown in figure 3, the air-flow that air pump 1 exports is entered by the import of the first magnetic valve 4, now
The second outlet of first magnetic valve 4 is in open mode, and air-flow is exported simultaneously by its first, second outlet, from the first electromagnetism
The air-flow of the first outlet of valve 4 output enters the import of second solenoid valve 5, and the second outlet of the first magnetic valve 4 is directly to leaking
Go out, the second outlet of second solenoid valve 5 is now in closed mode, and air-flow is just output to from the first outlet of second solenoid valve 5
Mirror body input, now first throttle valve 11 is adjusted, by the second outlet of the first magnetic valve 4 release partial gas pressure and
Flow so that air pressure and flow are in predetermined middle gear scope, and first throttle valve 11 is locked after regulating and uses glue special
It is fixed.
When needing device output low gear air pressure and flow, the first magnetic valve 4 and second solenoid valve 5 are in being powered
Open mode, as shown in figure 4, the air-flow that air pump 1 exports is entered by the import of the first magnetic valve 4, air-flow passes through the first electromagnetism
First, second outlet of valve 4 is exported simultaneously, and now the second outlet of the first magnetic valve 4 is released by first throttle valve 11
A part of air pressure and flow, the import of second solenoid valve 5, second solenoid valve 5 are entered after the output of the first outlet of the first magnetic valve 4
Second outlet be now in open mode, air-flow just exports simultaneously from first, second outlet of second solenoid valve 5, now right
Second throttle 10 is adjusted, and releases partial gas pressure and flow by the second outlet of second solenoid valve 5 so that air pressure and stream
Amount is in predetermined low gear scope, regulates locking second throttle 10 and is fixed with glue special.
Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area
Member makes many modifications and variations without creative work can according to design of the present utility model.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to design of the present utility model in domain
Available technical scheme is tested, all should be in the protection domain being defined in the patent claims.
Claims (4)
1. a kind of fujinon electronic video endoscope air pressure and volume control device, including air pump (1) and mirror body gas inlet tube (6), its feature exist
In：Also include the first magnetic valve (4) and second solenoid valve (5), the two magnetic valves are two-bit triplet magnetic valve, the air pump
(1) gas outlet is connected by gas outlet tube (2) with the import of the first magnetic valve (4), the first outlet of the first magnetic valve (4) with
The import of second solenoid valve (5) connects, installation first throttle valve (11) at the second outlet of the first magnetic valve (4), and described second
The first outlet of magnetic valve (5) is connected with mirror body gas inlet tube (6), and the 3rd is equipped with the first outlet of second solenoid valve (5)
Choke valve (7), second throttle (10) is housed at the second outlet of second solenoid valve (5).
2. fujinon electronic video endoscope air pressure as claimed in claim 1 and volume control device, it is characterised in that：Inputted in the mirror body
Check valve (8) is in series with tracheae (6).
3. fujinon electronic video endoscope air pressure as claimed in claim 1 or 2 and volume control device, it is characterised in that：First electricity
Magnet valve (4) and second solenoid valve (5) are assembled together by screw concatenation.
4. fujinon electronic video endoscope air pressure as claimed in claim 3 and volume control device, it is characterised in that：First magnetic valve
(4) it is installed on second solenoid valve (5) in same magnetic valve fixed plate (9), the magnetic valve fixed plate (9) is fixed on location-plate
(3) one end, the air pump (1) are fixed on the other end of location-plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720618063.2U CN206892699U (en) | 2017-05-31 | 2017-05-31 | Fujinon electronic video endoscope air pressure and volume control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720618063.2U CN206892699U (en) | 2017-05-31 | 2017-05-31 | Fujinon electronic video endoscope air pressure and volume control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206892699U true CN206892699U (en) | 2018-01-16 |
Family
ID=61320950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720618063.2U Active CN206892699U (en) | 2017-05-31 | 2017-05-31 | Fujinon electronic video endoscope air pressure and volume control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206892699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013279A (en) * | 2020-08-25 | 2020-12-01 | 江苏慧呼吸医疗科技有限公司 | Double-electric-regulation flow control valve |
-
2017
- 2017-05-31 CN CN201720618063.2U patent/CN206892699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013279A (en) * | 2020-08-25 | 2020-12-01 | 江苏慧呼吸医疗科技有限公司 | Double-electric-regulation flow control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210922 Address after: 401120 1-1, 2-1, 3-1, building 5, No. 18, Cuiping Lane 2, Huixing street, Yubei District, Chongqing Patentee after: Chongqing Jinshan Medical Technology Research Institute Co.,Ltd. Address before: 401121 An office building in Jinshan International Industrial City, 18 Neixuan Avenue, Huixing Street, Yubei District, Chongqing Patentee before: CHONGQING JINSHAN MEDICAL APPLIANCE Co.,Ltd. |