CN202982846U - Medical oxygen supply device with automatic switch oxygen source function - Google Patents
Medical oxygen supply device with automatic switch oxygen source function Download PDFInfo
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- CN202982846U CN202982846U CN 201220647491 CN201220647491U CN202982846U CN 202982846 U CN202982846 U CN 202982846U CN 201220647491 CN201220647491 CN 201220647491 CN 201220647491 U CN201220647491 U CN 201220647491U CN 202982846 U CN202982846 U CN 202982846U
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- oxygen
- oxygen source
- stop valve
- supply loop
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Abstract
The utility model discloses a medical oxygen supply device with an automatic switch oxygen source function, and relates to the medical oxygen supply technology. The medical oxygen supply device with the automatic switch oxygen source function aims to provide a medical oxygen supply device. The fact that a main oxygen source and a reserved oxygen source are switched automatically and the oxygen source is convenient to change can be achieved. Production cost can be greatly reduced. According to the medical oxygen supply device with the automatic switch oxygen source function, technical points include a main oxygen source supply circuit and a reserved oxygen source supply circuit. The main oxygen source supply circuit comprises a first medical liquid oxygen storing groove (1), a first stop valve (2), a first vaporizer (3), a first one-way valve (5) and a fourth stop valve (6). The reserved oxygen source supply circuit comprises a second medical liquid oxygen storing groove (7), a second stop valve (14), a second vaporizer (15), a reserved oxygen source supply circuit pressure adjusting device, a second one-way valve (18) and a fifth stop valve (19). An output end of the fourth stop valve (6) and an output end of the fifth stop valve (19) are respectively connected with an input end of a main pressure reduction device (20) through a gas pipeline.
Description
Technical field
This utility model relates to medical oxygen supply field, especially a kind of apparatus of oxygen supply of the primary, spare oxygen source function that can automatically switch.
Background technology
In general, medical apparatus of oxygen supply all can arrange a main oxygen source of cover and a standby oxygen source of cover, to guarantee the reliability of oxygen supply.When the oxygen supply quantity not sufficient in main oxygen source, standby oxygen source substitutes main oxygen source and carries out oxygen supply.The medical apparatus of oxygen supply that uses at present, its structure are all substantially identical, all adopt manually mode to switch primary, spare oxygen source, or utilize electronic technology to adopt the mode of Electromagnetic Control to switch primary, spare oxygen source.
There is following defective in existing oxygen supply mode: the manual switchover mode, the staff need to be set specially to the oxygen supply monitoring state, when main oxygen source oxygen is not enough, switch to standby oxygen source, by standby oxygen source oxygen supply, human cost is higher, and switching condition comparatively relies on artificial experience, occurs switching untimely probability larger.Adopt the Electromagnetic Control switching mode, need to set up corresponding electromagnetic switch, control panel, although can realize automaticallying switch, installation cost is higher, can't work when having a power failure simultaneously.
The utility model content
Goal of the invention of the present utility model is to provide a kind of can either realize automaticallying switch main oxygen source, standby oxygen source, is convenient to maintenance and changes parts, guarantees that the continuous supplying of oxygen source is given, the medical apparatus of oxygen supply that can greatly reduce production costs again.
The technical solution adopted in the utility model is such: comprising: main oxygen source supply loop and standby oxygen source supply loop;
Wherein main oxygen source supply loop comprises: the first medical liquid oxygen storage tank 1, the first stop valve 2, the first carburator 3, the first check valve 5 and the 4th stop valve 6; The first medical liquid oxygen storage tank 1, the first stop valve 2, the first carburator 3, the first check valve 5 and the 4th stop valve 6 are linked in sequence by gas pipeline;
Standby oxygen source supply loop comprises: the second medical liquid oxygen storage tank 7, the second stop valve 14, the second carburator 15, standby oxygen source supply loop pressure-regulating device, the second check valve 18 and the 5th stop valve 19; The second medical liquid oxygen storage tank 7, the second stop valve 14, the second carburator 15, standby oxygen source supply loop pressure-regulating device, the second check valve 18 and the 5th stop valve 19 are linked in sequence by gas pipeline;
Described the 4th stop valve 6 outfans are connected by the input of gas pipeline with main decompressor 20, and described the 5th stop valve 19 outfans also are connected by gas pipeline with the input of main decompressor 20; The outfan of main decompressor 20 be used for to connect each and uses the oxygen unit.
Preferably, also comprise economized circuit; Described economized circuit comprises the 3rd stop valve 8, the 3rd carburator 9, economized circuit pressure-regulating device, the 3rd check valve 12 and the 6th stop valve 13; The second medical liquid oxygen storage tank 7, the 3rd stop valve 8, the 3rd carburator 9, economized circuit pressure-regulating device, the 3rd check valve 12 and the 6th stop valve 13 are linked in sequence by pipeline; Wherein, the 3rd stop valve 8 oxygen incoming ends are connected by the upper end open of pipeline with the second medical liquid oxygen storage tank 7; The 6th stop valve 13 outfans are connected by gas pipeline by the input of pipeline with main decompressor 20.
Preferably, also be provided with main oxygen source supply loop pressure limit device on main oxygen source supply loop, described main oxygen source supply loop pressure limit device comprises the first relief valve 4.
Preferably, described standby oxygen source supply loop pressure-regulating device comprises back-up circuit decompressor 17.
Preferably, also be provided with standby oxygen source supply loop pressure limit device on described standby oxygen source supply loop.
Preferably, described standby oxygen source supply loop pressure limit device comprises the second relief valve 16.
Preferably, described economized circuit pressure-regulating device comprises decompression regulating valve 11.
Preferably, also be provided with economized circuit pressure limit device on economized circuit.
Preferably, described economized circuit pressure limit device comprises the 3rd relief valve 10.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
1. simple in structure, cost is low;
2. be convenient to change or keep in repair parts in each loop, guarantee that the continuous supplying of oxygen source is given.
3. increase economized circuit can take full advantage of the gaseous oxygen in standby oxygen source-second liquid oxygen storage tank.Further saved the oxygen supply cost.And in prior art, the gaseous oxygen in standby oxygen source-second liquid oxygen storage tank all can be done gas discharging and process, and can not take full advantage of oxygen source, reduce costs.
Description of drawings
Fig. 1 is this utility model structural representation.
Labelling in figure:
The first liquid medical oxygen storage tank 1; The first stop valve 2; The first carburator 3; The first relief valve 4; The first check valve 5; The 4th stop valve 6; The second medical liquid oxygen storage tank 7; The 3rd stop valve 8; The 3rd carburator 9; The 3rd relief valve 10; Decompression regulating valve 11; The 3rd check valve 12; The 6th stop valve 13; The second stop valve 14; The second carburator 15; The second relief valve 16; Back-up circuit decompressor 17; The second check valve 18; The 5th stop valve 19; Main decompressor 20.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining this utility model, and be not used in restriction this utility model.
The basic structure of the medical apparatus of oxygen supply with automatic switchover oxygen source function in this utility model is also the first embodiment of the present invention, comprising: main oxygen source supply loop and standby oxygen source supply loop.
Wherein main oxygen source supply loop comprises: medical liquid oxygen storage tank 1, stop valve 2, carburator 3, check valve 5 and stop valve 6.Medical liquid oxygen storage tank 1, stop valve 2, carburator 3, check valve 5 and stop valve 6 are linked in sequence by gas pipeline.
Standby oxygen source supply loop comprises: medical liquid oxygen storage tank 7, stop valve 14, carburator 15, standby oxygen source supply loop pressure-regulating device, check valve 18 and stop valve 19.Medical liquid oxygen storage tank 7, stop valve 14, carburator 15, standby oxygen source supply loop pressure-regulating device, check valve 18 and stop valve 19 are linked in sequence by gas pipeline.
Described stop valve 6 outfans are connected by the input of gas pipeline with main decompressor 20, and described stop valve 19 outfans also are connected by gas pipeline with the input of main decompressor 20; The outfan of main decompressor 20 is used for using oxygen unit oxygen supply to each.
The operation principle of first embodiment of the invention is: the pressure threshold that at first described standby oxygen source supply loop pressure-regulating device is set, oxygen pressure when making winner's oxygen source oxygen amount enough in back-up circuit is lower than the major loop oxygen pressure, the normal oxygen supply of main oxygen source supply loop this moment.
During the device normal operation, stop valve 2, stop valve 6, stop valve 14 and stop valve 19 are opening, and when main oxygen source amount of oxygen was sufficient, the check valve 18 in standby oxygen source supply loop was cut-off state, and the check valve 5 in main oxygen source supply loop is opened.Liquid oxygen flows out from medical liquid oxygen storage tank 1, liquid oxygen flows to carburator 3 by stop valve 2, this carburator can be air temperature type vaporizer, liquid oxygen becomes oxygen in air temperature type vaporizer, oxygen pressure in main oxygen source supply loop is also higher, is unsuitable for directly supplying with use the oxygen unit, so also needs to input main decompressor 20 from main oxygen source supply loop stop valve 6 oxygen out, through post-decompression oxygen for to each oxygen of hospital unit, such as ward, emergency room, operating room etc.
When the liquid oxygen amount in medical liquid oxygen storage tank 1 was inadequate, in main oxygen source supply loop, the actual pressure of oxygen was lower than standby oxygen source supply loop, and check valve 5 is closed, and check valve 18 is opened.In backup line, liquid oxygen flows out from medical liquid oxygen storage tank 7, liquid oxygen flows to carburator 15 by stop valve 14, this carburator is the same with carburator 3 can be air-heating type gasifier, liquid oxygen becomes oxygen in air temperature type vaporizer, oxygen is inputted main decompressor 20 by after standby oxygen source supply loop pressure-regulating device, through post-decompression oxygen for to each oxygen of hospital unit, such as ward, emergency room, operating room etc.
The second embodiment of the present invention is to have increased economized circuit on the basic structure of the first embodiment.Described economized circuit comprises stop valve 8, carburator 9, economized circuit pressure-regulating device, check valve 12 and stop valve 13.Medical liquid oxygen storage tank 7, stop valve 8, carburator 9, economized circuit pressure-regulating device, check valve 12 and stop valve 13 are linked in sequence by pipeline.Wherein, the oxygen incoming end of stop valve 8 is connected by the upper end open of pipeline with liquid oxygen storage tank 7, and stop valve 13 outfans are connected by gas pipeline by the input of pipeline with main decompressor 20.
Be connected with the input of main decompressor 20 again after in described main oxygen source supply loop, in the outfan of stop valve 6, standby oxygen source supply loop, at first the stop valve 13 of the outfan of stop valve 19 and economized circuit crosses by gas pipeline.For example: use two threeways.The outfan of the outfan of stop valve 13 and stop valve 19 is again pipe fitting threeway or tee pipe fitting by being connected to threeway A(threeway, and the three way cock is used in trunk line and wants the branched pipe place.) wherein two joints on, two joints of threeway B connect respectively the outfan of stop valve 6 and the 3rd joint of threeway A, the 3rd joint of threeway B is connected by the input of gas pipeline with main decompressor 20.
The oxygen pressure of the pressure threshold that the economized circuit pressure-regulating device is set major loop when enough higher than the pressure threshold of standby oxygen source supply loop pressure-regulating device and main oxygen source oxygen amount.
The operation principle of second embodiment of the invention is: the effect of economized circuit is the oxygen of collecting in medical liquid oxygen storage tank 7, and during apparatus of oxygen supply work, stop valve 8 and stop valve 13 are opened.When oxygen pressure in economized circuit during higher than main oxygen source supply loop oxygen pressure and standby oxygen source supply loop oxygen pressure, check valve 12 is opened, the oxygen that changes gas in medical liquid oxygen storage tank 7 is by stop valve 8, carburator 9, economized circuit pressure-regulating device, check valve 12, the main decompressor 20 of the rear input of stop valve 13, through post-decompression oxygen for to each oxygen of hospital unit, such as ward, emergency room, operating room etc.The effect of carburator 9 is the temperature that improve oxygen in economized circuit.
In the first embodiment or the second embodiment, can also be provided with main oxygen source supply loop pressure limit device in main oxygen source supply loop, described main oxygen source supply loop pressure limit device can be relief valve 4.When gas pressure in main oxygen source supply loop during higher than the pressure threshold of relief valve 4, relief valve 4 can automatically be opened ducted gas is carried out pressure release, in main oxygen source supply loop, gas pressure in normal range of operation, prevents the too high security incident that occurs of gas pressure in main oxygen source supply loop to keep.
Standby oxygen source supply loop pressure-regulating device described in the first embodiment or the second embodiment can be standby decompressor 17.Back-up circuit decompressor 17 for reducing the oxygen pressure in standby oxygen source supply loop so that the oxygen pressure value in loop when sufficient lower than main oxygen source supply loop oxygen-supplying amount of the oxygen pressure value in standby oxygen source supply loop.
Further, also be provided with standby oxygen source supply loop pressure limit device in standby oxygen source supply loop, standby oxygen source supply loop pressure limit device is used for keeping standby oxygen source supply loop gas pressure in normally-pressured neighbor, prevent the too high security incident that occurs of gas pressure in standby oxygen source supply loop, therefore, in general the pressure threshold of standby oxygen source supply loop pressure limit device higher than standby oxygen source supply loop pressure-regulating device pressure threshold.This standby oxygen source supply loop pressure limit device can be relief valve 16.When gas pressure in standby oxygen source supply loop during higher than the pressure threshold of relief valve 16, relief valve 16 can automatically be opened the gas in the loop is carried out pressure release, in standby oxygen source supply loop, gas pressure in normally-pressured neighbor, prevents the too high security incident that occurs of gas pressure in standby oxygen source supply loop to keep.
Economized circuit pressure-regulating device described in the first embodiment or the second embodiment can be decompression regulating valve 11; Decompression regulating valve 11 is used for regulating upstream pressure, when upstream pressure reaches setting value, decompression regulating valve is opened air feed, the opening pressure of decompression regulating valve 11 guarantees that higher than the opening pressure of check valve 5 in main oxygen source supply loop, also higher than the opening pressure of check valve 18 in standby oxygen source supply loop the oxygen in economized circuit can effectively utilize.
The same with standby oxygen source supply loop, also be provided with economized circuit pressure limit device in economized circuit, described economized circuit pressure limit device can be relief valve 10.When gas pressure in economized circuit during higher than the pressure threshold of relief valve 10, relief valve 10 can automatically be opened gas pressure in economized circuit is carried out pressure release, to keep gas pressure in economized circuit in normal range of operation, prevent the too high security incident that occurs of gas pressure in economized circuit.The pressure threshold of relief valve 10 should be higher than the pressure threshold of decompression regulating valve 11.
When the medical liquid oxygen storage tank in main oxygen source supply loop and parts need to be changed, the stop valve 2 in trunk line and stop valve 6 to be closed, the stop valve in standby oxygen source supply loop and economized circuit can continue to open normal oxygen supply; And for example: when the carburator 15 in standby oxygen source supply loop breaks down and need to change, close stop valve 14 and stop valve 19 get final product, the stop valve in main oxygen source supply loop and economized circuit can continue to open, to each use oxygen unit oxygen supply.
The above is only preferred embodiment of the present utility model; not in order to limit this utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. the medical apparatus of oxygen supply with automatic switchover oxygen source function, is characterized in that, comprising: main oxygen source supply loop and standby oxygen source supply loop;
Wherein main oxygen source supply loop comprises: the first medical liquid oxygen storage tank (1), the first stop valve (2), the first carburator (3), the first check valve (5) and the 4th stop valve (6); The first medical liquid oxygen storage tank (1), the first stop valve (2), the first carburator (3), the first check valve (5) and the 4th stop valve (6) are linked in sequence by gas pipeline;
Standby oxygen source supply loop comprises: the second medical liquid oxygen storage tank (7), the second stop valve (14), the second carburator (15), standby oxygen source supply loop pressure-regulating device, the second check valve (18) and the 5th stop valve (19); The second medical liquid oxygen storage tank (7), the second stop valve (14), the second carburator (15), standby oxygen source supply loop pressure-regulating device, the second check valve (18) and the 5th stop valve (19) are linked in sequence by gas pipeline;
Described the 4th stop valve (6) outfan is connected by the input of gas pipeline with main decompressor (20), and described the 5th stop valve (19) outfan also is connected by gas pipeline with the input of main decompressor (20); The outfan of main decompressor (20) be used for to connect each and uses the oxygen unit.
2. a kind of medical apparatus of oxygen supply with automatic switchover oxygen source function according to claim 1, is characterized in that, also comprises economized circuit;
Described economized circuit comprises the 3rd stop valve (8), the 3rd carburator (9), economized circuit pressure-regulating device, the 3rd check valve (12) and the 6th stop valve (13); The second medical liquid oxygen storage tank (7), the 3rd stop valve (8), the 3rd carburator (9), economized circuit pressure-regulating device, the 3rd check valve (12) and the 6th stop valve (13) are linked in sequence by pipeline; Wherein, the 3rd stop valve (8) oxygen incoming end is connected by the upper end open of pipeline with the second medical liquid oxygen storage tank (7); The 6th stop valve (13) outfan is connected by gas pipeline by the input of pipeline with main decompressor (20).
3. a kind of medical apparatus of oxygen supply with automatic switchover oxygen source function according to claim 2, it is characterized in that, also be provided with main oxygen source supply loop pressure limit device on main oxygen source supply loop, described main oxygen source supply loop pressure limit device comprises the first relief valve (4).
4. according to claim 2 or 3 described a kind of medical apparatuss of oxygen supply with automatic switchover oxygen source function, is characterized in that, described standby oxygen source supply loop pressure-regulating device comprises back-up circuit decompressor (17).
5. a kind of medical apparatus of oxygen supply with automatic switchover oxygen source function according to claim 4, is characterized in that, also is provided with standby oxygen source supply loop pressure limit device on described standby oxygen source supply loop.
6. a kind of medical apparatus of oxygen supply with automatic switchover oxygen source function according to claim 5, is characterized in that, described standby oxygen source supply loop pressure limit device comprises the second relief valve (16).
7. according to claim 5 or 6 described a kind of medical apparatuss of oxygen supply with automatic switchover oxygen source function, is characterized in that, described economized circuit pressure-regulating device comprises decompression regulating valve (11).
8. a kind of medical apparatus of oxygen supply with automatic switchover oxygen source function according to claim 7, is characterized in that, also is provided with economized circuit pressure limit device on economized circuit.
9. a kind of medical apparatus of oxygen supply with automatic switchover oxygen source function according to claim 8, is characterized in that, described economized circuit pressure limit device comprises the 3rd relief valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220647491 CN202982846U (en) | 2012-11-30 | 2012-11-30 | Medical oxygen supply device with automatic switch oxygen source function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220647491 CN202982846U (en) | 2012-11-30 | 2012-11-30 | Medical oxygen supply device with automatic switch oxygen source function |
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| Publication Number | Publication Date |
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| CN202982846U true CN202982846U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220647491 Expired - Lifetime CN202982846U (en) | 2012-11-30 | 2012-11-30 | Medical oxygen supply device with automatic switch oxygen source function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104225746A (en) * | 2014-10-21 | 2014-12-24 | 夏正付 | Automatic oxygen bag replacing device based on pressure applied by leaf springs |
| CN108714258A (en) * | 2018-04-10 | 2018-10-30 | 成都冠禹科技有限公司 | A kind of Special Automatic apparatus of oxygen supply of emergency department's nursing |
| CN111346286A (en) * | 2020-03-11 | 2020-06-30 | 武汉钢铁集团气体有限责任公司 | Automatic medical oxygen supply system |
-
2012
- 2012-11-30 CN CN 201220647491 patent/CN202982846U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104225746A (en) * | 2014-10-21 | 2014-12-24 | 夏正付 | Automatic oxygen bag replacing device based on pressure applied by leaf springs |
| CN108714258A (en) * | 2018-04-10 | 2018-10-30 | 成都冠禹科技有限公司 | A kind of Special Automatic apparatus of oxygen supply of emergency department's nursing |
| CN111346286A (en) * | 2020-03-11 | 2020-06-30 | 武汉钢铁集团气体有限责任公司 | Automatic medical oxygen supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SICHUAN GANGTONG MEDICAL EQUIPMENT GROUP CO., LTD. Free format text: FORMER NAME: SICHUAN JIANYANG GANGTONG GROUP CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 641400 Jianyang city of Sichuan province Kailiwei Industrial Avenue South No. 11 Patentee after: SICHUAN GANGTONG MEDICAL EQUIPMENT GROUP Co.,Ltd. Address before: 641400 box 18, Jianyang, Sichuan, Ziyang Patentee before: SICHUAN JIANYANG GANGTONG GROUP Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |
Address after: No.356, south section of kailiwei Industrial Avenue, Jianyang City, Chengdu City, Sichuan Province Patentee after: SICHUAN GANGTONG MEDICAL EQUIPMENT GROUP Co.,Ltd. Address before: 641400 Jianyang city of Sichuan province Kailiwei Industrial Avenue South No. 11 Patentee before: SICHUAN GANGTONG MEDICAL EQUIPMENT GROUP Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |
|
| CX01 | Expiry of patent term |