CN218470114U - Detection apparatus for RO filter core - Google Patents
Detection apparatus for RO filter core Download PDFInfo
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- CN218470114U CN218470114U CN202222622832.XU CN202222622832U CN218470114U CN 218470114 U CN218470114 U CN 218470114U CN 202222622832 U CN202222622832 U CN 202222622832U CN 218470114 U CN218470114 U CN 218470114U
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Abstract
The utility model discloses a detection device of a RO filter element, which comprises an air source, a standard RO filter element, a first air inlet pipeline, a second air inlet pipeline, a first exhaust pipeline, a second exhaust pipeline, a first connecting pipeline, a second connecting pipeline and a third connecting pipeline; one end of the first air inlet pipeline is connected with an air source, the other end of the first air inlet pipeline is connected with a water inlet of the standard RO filter element, one end of the second air inlet pipeline is connected with the air source, and the other end of the second air inlet pipeline is used for being connected with a water inlet of the RO filter element to be detected; two ends of the first connecting pipeline are respectively connected with water inlets of the standard RO filter element and the RO filter element to be detected; two ends of the second connecting pipeline are respectively connected with pure water ports of the standard RO filter element and the RO filter element to be detected; two ends of the third connecting pipeline are respectively connected with a wastewater port of the standard RO filter element and a wastewater port of the RO filter element to be detected; and differential pressure sensors are arranged in the first connecting pipeline, the second connecting pipeline and the third connecting pipeline. The utility model discloses can promote the accuracy that detects the gas tightness of RO filter core.
Description
Technical Field
The utility model belongs to the technical field of the filter core detects technique and specifically relates to a detection device of RO filter core.
Background
The RO cartridge is a cartridge equipped with an RO membrane, which is named as a reverse osmosis membrane in chinese, and has a very small pore diameter, so that water molecules can pass through the RO membrane under a certain pressure, while substances such as inorganic salts, heavy metal ions, organic substances, bacteria, viruses, etc. in water cannot pass through the RO membrane, and thus pure water can be produced through the RO membrane. The air tightness of the RO filter element is one of indexes for evaluating the RO filter element, the existing detection mode aiming at the RO filter element mainly comprises the steps of inflating the RO filter element, putting a water outlet pipe connected with a pure water port of the RO filter element into water, and judging the air tightness of the RO filter element by measuring the number of bubbles, and the detection method has limited precision and cannot accurately detect the air tightness of the RO filter element.
SUMMERY OF THE UTILITY MODEL
The utility model provides a detection device of RO filter core can promote the accuracy of the gas tightness of detecting the RO filter core.
In order to solve the above problems, the utility model adopts the following technical scheme:
the embodiment of the utility model provides a detection device of RO filter core, including air supply, standard RO filter core, first air inlet pipeline, second air inlet pipeline, first exhaust pipeline, second exhaust pipeline, first connecting line, second connecting line and third connecting line; one end of the first air inlet pipeline is connected with an air source, the other end of the first air inlet pipeline is connected with a water inlet of a standard RO filter element, one end of the second air inlet pipeline is connected with the air source, the other end of the second air inlet pipeline is used for being connected with a water inlet of an RO filter element to be detected, and air inlet valves are arranged in the first air inlet pipeline and the second air inlet pipeline; the first exhaust pipeline is connected with a pure water port of a standard RO filter element, the second exhaust pipeline is used for being connected with a pure water port of an RO filter element to be detected, and exhaust valves are arranged in the first exhaust pipeline and the second exhaust pipeline; one end of the first connecting pipeline is connected with a water inlet of the standard RO filter element, and the other end of the first connecting pipeline is used for being connected with a water inlet of the RO filter element to be detected; one end of the second connecting pipeline is connected with a pure water port of the standard RO filter element, and the other end of the second connecting pipeline is used for being connected with a pure water port of the RO filter element to be detected; one end of the third connecting pipeline is connected with a wastewater port of the standard RO filter element, and the other end of the third connecting pipeline is used for being connected with a wastewater port of the RO filter element to be detected; and the first connecting pipeline, the second connecting pipeline and the third connecting pipeline are all provided with differential pressure sensors.
Preferably, the first connecting pipeline, the second connecting pipeline and the third connecting pipeline are all provided with a direct pressure sensor.
Preferably, the detection device of RO filter core still includes first flow pipeline and second flow pipeline, first flow pipeline is connected with the pure water mouth of standard RO filter core, the second flow pipeline is used for with wait to examine the pure water mouth of RO filter core and be connected, all be provided with flow valve and flowmeter in first flow pipeline and the second flow pipeline.
Preferably, the detection device of RO filter core still includes third exhaust pipe and fourth exhaust pipe, third exhaust pipe is connected with the first pipeline of admitting air between the water inlet of admission valve and standard RO filter core, fourth exhaust pipe is connected with the second pipeline of admitting air between admission valve and the water inlet of examining the RO filter core of examining, all be provided with inlet vent valve in third exhaust pipe and the fourth exhaust pipe.
Preferably, the detection device of RO filter core still includes fifth exhaust pipe and sixth exhaust pipe, fifth exhaust pipe is connected with the waste water mouth of standard RO filter core, sixth exhaust pipe is connected with the waste water mouth of examining the RO filter core of examining, all be provided with waste water discharge valve in fifth exhaust pipe and the sixth exhaust pipe.
The utility model discloses following beneficial effect has at least: the water inlet, the pure water port and the waste water port of the standard RO filter element are respectively connected with the water inlet, the pure water port and the waste water port of the RO filter element to be detected through three connecting pipelines, and the three connecting pipelines are all provided with a differential pressure sensor; when the differential pressure detected by any one of the differential pressure sensors in the three connecting pipelines is greater than the set differential pressure, the air tightness of the RO filter element to be detected is not in accordance with the requirement, and when the differential pressure detected by the differential pressure sensors in the three connecting pipelines is less than or equal to the set differential pressure, the air tightness of the RO filter element to be detected is in accordance with the requirement; therefore, the detection mode has stronger operability, and can accurately detect whether the air tightness of the RO filter element meets the requirement or not.
Drawings
Fig. 1 is a schematic structural view of a detection device for an RO filter cartridge according to an embodiment of the present invention.
Wherein the reference numerals are:
a gas source 100, a standard RO cartridge 210, a to-be-tested RO cartridge 220;
an intake valve 301, a first intake conduit 310, a second intake conduit 320;
an exhaust valve 401, an intake exhaust valve 402, a waste water exhaust valve 403, a first exhaust pipeline 410, a second exhaust pipeline 420, a third exhaust pipeline 430, a fourth exhaust pipeline 440, a fifth exhaust pipeline 450 and a sixth exhaust pipeline 460;
a differential pressure sensor 501, a direct pressure sensor 502, a first connecting pipeline 510, a second connecting pipeline 520, and a third connecting pipeline 530;
the flow valve 601, the flow meter 602, the first flow line 610 and the second flow line 620.
Detailed Description
The present disclosure provides the following description with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the disclosure as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but such details are to be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Moreover, descriptions of the disclosed functions and constructions may be omitted for clarity and conciseness.
The terms and words used in the following description and claims are not limited to the literal meanings, but are merely used by the inventors to enable a clear and consistent understanding of the disclosure. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.
The terms "having," "including," or "including" used in various embodiments of the present disclosure indicate the presence of the respective functions, operations, elements, etc., disclosed, but do not limit additional one or more functions, operations, elements, etc. Furthermore, it should be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to indicate the presence of the stated features, numbers, operations, elements, components, or combinations thereof, but do not preclude the presence or addition of one or more other features, numbers, operations, elements, components, or combinations thereof.
It will be understood that when an element (e.g., a first element) is "connected" to another element (e.g., a second element), the element can be directly connected to the other element or intervening elements (e.g., a third element) may be present.
An embodiment of the utility model provides a detection device of RO filter core, as shown in fig. 1, it includes air supply 100, standard RO filter core 210, first air inlet pipeline 310, second air inlet pipeline 320, first exhaust pipeline 410, second exhaust pipeline 420, first connecting pipeline 510, second connecting pipeline 520 and third connecting pipeline 530. The gas source 100 is used for supplying gas, the standard RO filter cartridge 210 is an RO filter cartridge which is detected in advance, each index and parameter of the RO filter cartridge meet the requirements, and the RO filter cartridge 220 to be detected is the RO filter cartridge 220 to be detected. One end of the first air inlet pipeline 310 is connected with the air source 100, the other end of the first air inlet pipeline is connected with the water inlet of the standard RO filter element 210, one end of the second air inlet pipeline 320 is connected with the air source 100, the other end of the second air inlet pipeline is used for being connected with the water inlet of the RO filter element 220 to be detected, air inlet valves 301 are arranged in the first air inlet pipeline 310 and the second air inlet pipeline 320, and the corresponding air inlet pipelines can be controlled to be switched on or switched off through the air inlet valves 301, so that the air source 100 can inflate or stop inflating the corresponding RO filter elements. The first exhaust pipeline 410 is connected with a pure water port of the standard RO filter element 210, the second exhaust pipeline 420 is used for being connected with the pure water port of the RO filter element 220 to be detected so as to exhaust air from the pure water port, the first exhaust pipeline 410 and the second exhaust pipeline 420 are both provided with exhaust valves 401, and the corresponding exhaust pipelines can be controlled to be switched on or switched off through the exhaust valves 401 so as to enable the corresponding RO filter elements to exhaust air outwards or stop exhausting air.
One end of the first connecting pipe 510 is connected to the water inlet of the standard RO cartridge 210, and specifically, one end of the first connecting pipe 510 may be directly connected to the water inlet of the standard RO cartridge 210, or may be connected to the water inlet of the standard RO cartridge 210 through the first air inlet pipe 310. The other end of the first connecting pipeline 510 is used for connecting with the water inlet of the RO filter element 220 to be detected, specifically, the other end of the first connecting pipeline 510 can be directly connected with the water inlet of the RO filter element 220 to be detected, and can also be connected with the water inlet of the RO filter element 220 to be detected through the second air inlet pipeline 320. One end of the second connecting line 520 is connected to the pure water port of the standard RO filter cartridge 210, and the other end is used for being connected to the pure water port of the RO filter cartridge 220 to be tested. One end of the third connecting line 530 is connected to the waste water port of the standard RO cartridge 210, and in particular, one end of the third connecting line 530 may be directly connected to the waste water port of the standard RO cartridge 210, or may be connected to the waste water port of the standard RO cartridge 210 through the first vent line 410. The other end of the third connecting line 530 is used for being connected with the waste water port of the RO filter element 220 to be examined, and specifically, the other end of the third connecting line 530 can be directly connected with the waste water port of the RO filter element 220 to be examined, and can also be connected with the waste water port of the RO filter element 220 to be examined through the second exhaust line 420. A differential pressure sensor 501 is provided in each of the first, second, and third connecting pipes 510, 520, and 530.
In performing the test, the air inlet valves 301 in the first air inlet line 310 and the second air inlet line 320 are opened, the air supply 100 simultaneously inflates the standard RO filter cartridge 210 and the to-be-tested RO filter cartridge 220, and after a period of inflation, the air inlet valves 301 in the first air inlet line 310 and the second air inlet line 320 are closed. After waiting for a further period of time, the pressure difference values measured by the pressure difference sensor 501 in the first connecting pipe 510, the second connecting pipe 520 and the third connecting pipe 530 are obtained. When the differential pressure detected by any one of the differential pressure sensors 501 in the first connecting pipeline 510, the second connecting pipeline 520 and the third connecting pipeline 530 is greater than the set differential pressure, it is indicated that the air tightness of the RO cartridge 220 to be detected is not satisfactory, and when the differential pressure detected by the differential pressure sensors 501 in the first connecting pipeline 510, the second connecting pipeline 520 and the third connecting pipeline 530 is less than or equal to the set differential pressure, it is indicated that the air tightness of the RO cartridge 220 to be detected is satisfactory. Therefore, the detection mode of the embodiment has stronger operability, and can accurately detect whether the air tightness of the RO filter element meets the requirement.
In one embodiment, the air inlet valve 301 and the air outlet valve 401 may be manually controlled, and the pressure difference values measured by the pressure difference sensor 501 in the first connecting line 510, the second connecting line 520 and the third connecting line 530 may be manually read, and then the air tightness of the RO cartridge 220 to be tested may be manually determined according to the detected pressure difference values.
In another embodiment, the differential pressure sensor 501 in the first connecting pipe 510, the differential pressure sensor 501 in the second connecting pipe 520, the differential pressure sensor 501 in the third connecting pipe 530, the air intake valve 301 and the air exhaust valve 401 are all electrically connected to the controller, the controller automatically controls the air intake valve 301 and the air exhaust valve 401 according to a set program, automatically reads the pressure difference values measured by the differential pressure sensors 501 in the first connecting pipe 510, the second connecting pipe 520 and the third connecting pipe 530, and then judges whether the air tightness of the RO cartridge 220 to be detected meets the requirement according to the detected pressure difference values.
In some embodiments, a direct pressure sensor 502 is further disposed in each of the first, second, and third connection pipes 510, 520, and 530. The direct pressure transducer 502 can measure the pressure drop in the line throughout the test period. When the pressure drop detected by any one of the straight pressure sensors 502 in the three connecting pipelines is larger than the set pressure drop, it is indicated that both the standard RO filter cartridge 210 and the RO filter cartridge 220 to be detected have problems, and a new standard RO filter cartridge needs to be replaced. When the pressure drop detected by any one of the straight pressure sensors 502 in the three connecting pipelines is less than or equal to the set pressure drop and the pressure differences detected by the pressure difference sensors 501 in the three connecting pipelines are less than or equal to the set pressure difference, it is indicated that the air tightness of the RO filter element 220 to be detected meets the requirement.
In this embodiment, the straight pressure sensor 502 is used to determine whether the standard RO filter cartridge 210 meets the requirements, so as to further ensure the accuracy of the detection result.
In some embodiments, the detecting apparatus for an RO filter element further includes a first flow line 610 and a second flow line 620, the first flow line 610 is connected to the pure water port of the standard RO filter element 210, the second flow line 620 is used for being connected to the pure water port of the RO filter element 220 to be detected, a flow valve 601 and a flow meter 602 are disposed in each of the first flow line 610 and the second flow line 620, the flow valve 601 is used for controlling the flow line to be turned on or off, and the flow meter 602 is used for measuring the flow rate of the flow line.
After the air tightness of the RO filter cartridge 220 to be tested is tested, the present embodiment can test whether the flow rate of the RO filter cartridge 220 to be tested reaches the standard. Specifically, during the test, the intake valves 301 in the first intake line 310 and the second intake line 320 and the flow valves 601 in the first flow line 610 and the second flow line 620 are opened, and after the test is finished. And comparing whether the difference value of the flow values measured by the flow meter 602 in the first flow pipeline 610 and the second flow pipeline 620 is within a preset difference range, if so, indicating that the flow of the RO filter element 220 to be detected is up to the standard, otherwise, indicating that the flow of the RO filter element 220 to be detected is not up to the standard.
In some embodiments, the RO cartridge detection apparatus further comprises a third exhaust line 430 and a fourth exhaust line 440, the third exhaust line 430 is connected to the first intake line 310 between the air intake valve and the water inlet of the standard RO cartridge 210, the fourth exhaust line 440 is connected to the second intake line 320 between the air intake valve and the water inlet of the RO cartridge 220 to be tested, and the third exhaust line 430 and the fourth exhaust line 440 are both provided with the inlet exhaust valve 402. After the test is complete, inlet vent valve 402 may be opened to vent gas from standard RO cartridge 210 and the RO cartridge 220 under test.
In some embodiments, the RO cartridge detection apparatus further comprises a fifth exhaust line 450 and a sixth exhaust line 460, wherein the fifth exhaust line 450 is connected to the waste water port of the standard RO cartridge 210, the sixth exhaust line 460 is connected to the waste water port of the RO cartridge 220 to be detected, and the fifth exhaust line 450 and the sixth exhaust line 460 are both provided with the waste water exhaust valve 403. After the test is complete, the waste water vent valve 403 may be opened to vent gas at the waste water port of the standard RO cartridge 210 and the RO cartridge 220 to be tested.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model discloses to the ordinary technical person of technical field, under the prerequisite that does not deviate from the utility model discloses the design, can also make a plurality of simple deductions or replacement.
Claims (5)
1. The utility model provides a detection device of RO filter core which characterized in that: the system comprises an air source, a standard RO filter element, a first air inlet pipeline, a second air inlet pipeline, a first exhaust pipeline, a second exhaust pipeline, a first connecting pipeline, a second connecting pipeline and a third connecting pipeline; one end of the first air inlet pipeline is connected with an air source, the other end of the first air inlet pipeline is connected with a water inlet of a standard RO (reverse osmosis) filter element, one end of the second air inlet pipeline is connected with the air source, the other end of the second air inlet pipeline is used for being connected with a water inlet of the RO filter element to be detected, and air inlet valves are arranged in the first air inlet pipeline and the second air inlet pipeline; the first exhaust pipeline is connected with a pure water port of a standard RO filter element, the second exhaust pipeline is used for being connected with a pure water port of an RO filter element to be detected, and exhaust valves are arranged in the first exhaust pipeline and the second exhaust pipeline; one end of the first connecting pipeline is connected with a water inlet of the standard RO filter element, and the other end of the first connecting pipeline is connected with a water inlet of the RO filter element to be detected; one end of the second connecting pipeline is connected with a pure water port of the standard RO filter element, and the other end of the second connecting pipeline is used for being connected with a pure water port of the RO filter element to be detected; one end of the third connecting pipeline is connected with the wastewater port of the standard RO filter element, and the other end of the third connecting pipeline is used for being connected with the wastewater port of the RO filter element to be detected; and the first connecting pipeline, the second connecting pipeline and the third connecting pipeline are all provided with differential pressure sensors.
2. A test device for an RO cartridge according to claim 1 wherein: and the first connecting pipeline, the second connecting pipeline and the third connecting pipeline are all provided with a direct pressure sensor.
3. A test device for an RO cartridge according to claim 1 wherein: the detection device of the RO filter element further comprises a first flow pipeline and a second flow pipeline, the first flow pipeline is connected with a pure water port of the standard RO filter element, the second flow pipeline is used for being connected with the pure water port of the RO filter element to be detected, and a flow valve and a flow meter are arranged in the first flow pipeline and the second flow pipeline.
4. A testing device for an RO cartridge according to claim 1 wherein: the detection device of RO filter core still includes third exhaust pipe and fourth exhaust pipe, third exhaust pipe is connected with the first air inlet line between the water inlet of admission valve and standard RO filter core, fourth exhaust pipe is connected with the second air inlet line between admission valve and the water inlet of waiting to examine the RO filter core, all be provided with imported discharge valve in third exhaust pipe and the fourth exhaust pipe.
5. A test device for an RO cartridge according to claim 1 wherein: the detection device of RO filter core still includes fifth exhaust pipe and sixth exhaust pipe, fifth exhaust pipe is connected with the waste water mouth of standard RO filter core, sixth exhaust pipe is connected with the waste water mouth of waiting to examine the RO filter core, all be provided with waste water discharge valve in fifth exhaust pipe and the sixth exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222622832.XU CN218470114U (en) | 2022-09-30 | 2022-09-30 | Detection apparatus for RO filter core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222622832.XU CN218470114U (en) | 2022-09-30 | 2022-09-30 | Detection apparatus for RO filter core |
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| Publication Number | Publication Date |
|---|---|
| CN218470114U true CN218470114U (en) | 2023-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222622832.XU Active CN218470114U (en) | 2022-09-30 | 2022-09-30 | Detection apparatus for RO filter core |
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| CN (1) | CN218470114U (en) |
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- 2022-09-30 CN CN202222622832.XU patent/CN218470114U/en active Active
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