CN204188354U - A kind of haemodialysis extracorporeal circulation pipeline leak detecting device - Google Patents
A kind of haemodialysis extracorporeal circulation pipeline leak detecting device Download PDFInfo
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- CN204188354U CN204188354U CN201420648301.0U CN201420648301U CN204188354U CN 204188354 U CN204188354 U CN 204188354U CN 201420648301 U CN201420648301 U CN 201420648301U CN 204188354 U CN204188354 U CN 204188354U
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- logic controller
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Abstract
The utility model discloses a kind of haemodialysis extracorporeal circulation pipeline leak detecting device, sealing for the bonding site to pipeline detects, described leak detecting device comprises the first pipeline be connected with pipeline one end, the second pipe be connected with the pipeline other end, be installed on the air-source treater on the first pipeline successively, pressure regulator valve and inflation solenoid valve, be installed on the pressure transducer on second pipe, with inflation solenoid valve, the Programmable Logic Controller that pressure transducer connects, with inflation solenoid valve, the Switching Power Supply that pressure transducer is connected with Programmable Logic Controller, and the starting switch be connected between Programmable Logic Controller and Switching Power Supply.Whether the utility model, by arranging the parts such as air-source treater, pressure transducer and PCL, namely leaks gas detect by realizing pipeline to charged pressure gas in pipeline, and also can realize gas leakage when pneumatics fluctuates and detect.
Description
Technical field
The utility model relates to pipeline leak detecting device technical field, more particularly, and particularly a kind of haemodialysis extracorporeal circulation pipeline leak detecting device.
Background technology
The connection of the extracorporeal circulation pipeline of haemodialysis control unit all adopts bonding, and the sealing of bonding site needs to ensure not reveal, in order to avoid affect the normal work of equipment.Test macro of the prior art generally adopts the mode of time controling to test, namely when tested between complete test when reaching certain setting-up time, its Problems existing is: when pipeline exists pneumatics fluctuation, this test macro can not well carry out pipeline and leaks hunting, and causes measurement accuracy poor.Therefore, be necessary to improve existing leak detecting device.
Utility model content
The purpose of this utility model is the haemodialysis extracorporeal circulation pipeline leak detecting device providing a kind of measurement accuracy high.
In order to achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of haemodialysis extracorporeal circulation pipeline leak detecting device, sealing for the bonding site to pipeline detects, described leak detecting device comprises the first pipeline be connected with pipeline one end, the second pipe be connected with the pipeline other end, be installed on the air-source treater on the first pipeline successively, pressure regulator valve and inflation solenoid valve, be installed on the pressure transducer on second pipe, with inflation solenoid valve, the Programmable Logic Controller that pressure transducer connects, with inflation solenoid valve, the Switching Power Supply that pressure transducer is connected with Programmable Logic Controller, and the starting switch be connected between Programmable Logic Controller and Switching Power Supply.
Preferably, the qualified pilot lamp be connected with Programmable Logic Controller and defective pilot lamp is also comprised.
Preferably, also comprise the industrial computer be connected with Programmable Logic Controller, and be installed on the touch-screen on industrial computer.
Preferably, described pressure transducer is diffused silicon pressure transmitter.
Compared with prior art, the utility model has the advantage of: the utility model is by arranging the parts such as air-source treater, pressure transducer and PCL, namely whether leak gas detect by realizing pipeline to charged pressure gas in pipeline, and also can realize gas leakage when pneumatics fluctuates and detect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the frame diagram of haemodialysis extracorporeal circulation pipeline leak detecting device described in the utility model.
Description of reference numerals: 1, air-source treater, 2, pressure regulator valve, 3, inflation solenoid valve, 4, pressure transducer, 5, pipeline, 6, Programmable Logic Controller, 7, starting switch, 8, Switching Power Supply, 9, qualified pilot lamp, 10, defective pilot lamp, 11, industrial computer, 12, touch-screen.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Consult shown in Fig. 1, the utility model provides a kind of haemodialysis extracorporeal circulation pipeline leak detecting device, sealing for the bonding site to pipeline 5 detects, described leak detecting device comprises the first pipeline be connected with pipeline 5 one end, the second pipe be connected with pipeline 5 other end, be installed on the air-source treater 1 on the first pipeline successively, pressure regulator valve 2 and inflation solenoid valve 3, be installed on the pressure transducer 4 on second pipe, with inflation solenoid valve 3, the Programmable Logic Controller 6 that pressure transducer 4 connects, with inflation solenoid valve 3, the Switching Power Supply 8 that pressure transducer 4 is connected with Programmable Logic Controller 6, and the starting switch 7 be connected between Programmable Logic Controller 6 and Switching Power Supply 8.
Concrete, the utility model also comprises the qualified pilot lamp 9 and defective pilot lamp 10 that are connected with Programmable Logic Controller 6, and whether can be used for leaks gas to pipeline 5 indicates.
Concrete, the utility model also comprises the industrial computer 11 be connected with Programmable Logic Controller 6 by communication cable, and is installed on the touch-screen 12 on industrial computer 11, can be used for setting test parameter.
Programmable Logic Controller 6 in the utility model can be bought as required.
As preferably, in the present embodiment, the model that air-source treater 1 adopts is GFC200-08, the model that pressure regulator valve 2 adopts is GFC200-08L, the model that inflation solenoid valve 3 adopts is MAC34B-ABA-GDA-1KA, Switching Power Supply 8 be input as AC220V, it exports as DC24V.
Haemodialysis extracorporeal circulation pipeline leak detecting device of the present utility model is tested mainly for the impermeability of blood purifying pipeline 5, the large leakage of energy signal piping 5, Micro blazed-grating; Operative norm can be provided to the bubble-tight checking of pipeline.The utility model adopts diffused silicon pressure transmitter, and as pressure transducer 4, (its principle of work is: pressure transducer 4 is the Wheatstone bridges spread on the monosilicon, voltage inhibition effect makes bridge wall resistance value change, produce a difference voltage signal, this signal is through amplifier, again through Voltage to current transducer, signal corresponding for range is converted to the 4-20MA/0-10VDC signal of standard) the range signal such as to gather and monitor, to have determined whether Leakage Gas.
Although describe embodiment of the present utility model by reference to the accompanying drawings; but patent owner can make various distortion or amendment within the scope of the appended claims; as long as be no more than the protection domain described by claim of the present utility model, all should within protection domain of the present utility model.
Claims (4)
1. a haemodialysis extracorporeal circulation pipeline leak detecting device, sealing for the bonding site to pipeline (5) detects, it is characterized in that: described leak detecting device comprises the first pipeline be connected with pipeline (5) one end, the second pipe be connected with pipeline (5) other end, be installed on the air-source treater (1) on the first pipeline successively, pressure regulator valve (2) and inflation solenoid valve (3), be installed on the pressure transducer (4) on second pipe, with inflation solenoid valve (3), the Programmable Logic Controller (6) that pressure transducer (4) connects, with inflation solenoid valve (3), the Switching Power Supply (8) that pressure transducer (4) is connected with Programmable Logic Controller (6), and the starting switch (7) be connected between Programmable Logic Controller (6) and Switching Power Supply (8).
2. haemodialysis extracorporeal circulation pipeline leak detecting device according to claim 1, is characterized in that: also comprise the qualified pilot lamp (9) and defective pilot lamp (10) that are connected with Programmable Logic Controller (6).
3. haemodialysis extracorporeal circulation pipeline leak detecting device according to claim 1, it is characterized in that: also comprise the industrial computer (11) be connected with Programmable Logic Controller 6, and be installed on the touch-screen (12) on industrial computer (11).
4. haemodialysis extracorporeal circulation pipeline leak detecting device according to claim 1, is characterized in that: described pressure transducer (4) is diffused silicon pressure transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420648301.0U CN204188354U (en) | 2014-11-03 | 2014-11-03 | A kind of haemodialysis extracorporeal circulation pipeline leak detecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420648301.0U CN204188354U (en) | 2014-11-03 | 2014-11-03 | A kind of haemodialysis extracorporeal circulation pipeline leak detecting device |
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| CN204188354U true CN204188354U (en) | 2015-03-04 |
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| CN201420648301.0U Active CN204188354U (en) | 2014-11-03 | 2014-11-03 | A kind of haemodialysis extracorporeal circulation pipeline leak detecting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543132A (en) * | 2018-05-30 | 2018-09-18 | 北京米道斯医疗器械有限公司 | A kind of extracorporeal membrane oxygenation pressure sensor and application method |
| CN109238571A (en) * | 2018-10-30 | 2019-01-18 | 浙江师范大学 | A kind of micro leakage blood monitoring device of blood purification system and method |
| CN110787378A (en) * | 2019-10-17 | 2020-02-14 | 中科绿谷（深圳）医疗科技有限公司 | Degassing water circulating device and high-intensity focusing ultrasonic therapeutic apparatus |
-
2014
- 2014-11-03 CN CN201420648301.0U patent/CN204188354U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543132A (en) * | 2018-05-30 | 2018-09-18 | 北京米道斯医疗器械有限公司 | A kind of extracorporeal membrane oxygenation pressure sensor and application method |
| CN109238571A (en) * | 2018-10-30 | 2019-01-18 | 浙江师范大学 | A kind of micro leakage blood monitoring device of blood purification system and method |
| CN109238571B (en) * | 2018-10-30 | 2020-06-23 | 浙江师范大学 | Trace blood leakage monitoring device and method for blood purification system |
| CN110787378A (en) * | 2019-10-17 | 2020-02-14 | 中科绿谷（深圳）医疗科技有限公司 | Degassing water circulating device and high-intensity focusing ultrasonic therapeutic apparatus |
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