CN112747875B - Welch method blood sedimentation instrument channel air tightness detection device and air tightness detection method - Google Patents
Welch method blood sedimentation instrument channel air tightness detection device and air tightness detection method Download PDFInfo
- Publication number
- CN112747875B CN112747875B CN202011546939.XA CN202011546939A CN112747875B CN 112747875 B CN112747875 B CN 112747875B CN 202011546939 A CN202011546939 A CN 202011546939A CN 112747875 B CN112747875 B CN 112747875B
- Authority
- CN
- China
- Prior art keywords
- blood
- air
- air tightness
- detection
- guide channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a device and a method for detecting the air tightness of a channel of a Weissel method blood sedimentation instrument, wherein the device comprises an air tightness detector, a sealing component and an air guide channel formed on a rotating disc of the Weissel method blood sedimentation instrument; the airtight detector is connected with the air guide channel, and the sealing component is used for sealing the outlet end of the blood distribution joint of the Weissel method blood sedimentation instrument; the sealing component is connected with a first driving device so as to form a seal of the outlet end through the axial movement of the blood distribution joint; the air guide channel is communicated with the blood distribution joint and can form a closed detection cavity. The detection method is based on the device, and an airtight detector, a sealing member and an air guide channel are arranged to form a sealable detection cavity, and the detection cavity is subjected to operations such as ventilation, air pressure measurement and the like to judge whether the air tightness of the installation part of the blood distribution joint meets the standard; the rotary disk is rotatable, and through the rotation of rotary disk changeable different blood distribution joints and air guide channel link to each other, and then measure the gas tightness of different detection cavities.
Description
Technical Field
The invention relates to the field of Weissel method blood sedimentation detection, in particular to a device and a method for detecting the air tightness of a channel of a Weissel method blood sedimentation instrument.
Background
The Weissel method blood sedimentation detector is provided with a fixed disk, a plurality of blood distribution joints are arranged on one side of the fixed disk in the circumferential direction, the other side of the fixed disk is abutted with the rotating disk, a blood supply channel is arranged on the rotating disk, and the rotating disk can rotate relative to the fixed disk so as to switch different blood distribution joints to be connected with the blood supply channel, and further the operations such as next inspection and the like are performed. The connection between the blood distribution joint and the fixed disk is easy to leak after long-time use, so that the air leakage detection is needed at the connection between the two. If a mode of checking single blood distribution joints one by one is adopted, the checking time is too long; if each joint is matched with the electromagnetic valve, the electromagnetic valve is detected at the same time, the consumption of the electromagnetic valve is overlarge, and the tooling cost is overlarge.
Disclosure of Invention
The invention aims at: aiming at the problems of long time or high cost of air leakage detection at the joint of a blood distribution joint and a fixed disc of a Weissella blood sedimentation detector in the prior art, the device and the method for detecting the air tightness of the channel of the Weissella blood sedimentation detector are provided, wherein the detection speed is high, and the electromagnetic valve uses less channels.
In order to achieve the above object, the present invention provides the following technical solutions:
the device comprises an airtight detector, a sealing component and an air guide channel formed on a rotating disk of the Wenyujin blood sedimentation instrument; the airtight detector is connected with the air guide channel, and the sealing component is used for sealing the outlet end of the blood distribution joint of the Weissel method blood sedimentation instrument; the sealing component is connected with a first driving device so as to form a seal of the outlet end through the axial movement of the blood distribution joint; the air guide channel is communicated with the blood distribution joint and can form a closed detection cavity.
According to the invention adopting the technical scheme, by utilizing the structure of the Weissel method blood sedimentation instrument, a sealable detection cavity is formed by arranging the airtight detector, the sealing member and the air guide channel, and the operations of ventilation, air pressure measurement and the like can be performed on the detection cavity by the airtight detector, so that whether the air tightness of the installation part of the blood distribution joint meets the standard is judged; the rotating disc of the Weissel method blood sedimentation instrument can rotate, and the airtight detector is connected with the air guide channel, so that different blood distribution joints can be switched to be connected with the air guide channel through the rotation of the rotating disc, and the airtight of different detection cavities can be measured through the airtight detector; in sum, the air tightness of all the blood distribution connectors can be detected by using the air tightness detection device, and different detection cavities share the same air guide channel, so that the structure is simple, and the detection is convenient.
Because the rotating disk of the Weissel method blood sedimentation instrument is provided with the blood supply channel, the blood supply channel can be used as the air guide channel when the air tightness is detected, and the original structure of the rotating disk is not required to be changed, so that the structure is required to switch the connecting device of the blood supply channel into the air tightness detector when the air tightness is detected, and then switch the connecting device of the blood supply channel back after the air tightness is detected; or, the independent air guide channel can be formed on the rotary disk, so that the rotary disk is provided with the blood supply channel and the air guide channel at the same time, and when the air tightness is detected, the blood supply channel is closed only by switching on the air guide channel.
Further, the sealing member is provided with a base plate connected with the first driving device, and a soft sealing element fixed on the base plate; the seal is located between the base plate and the blood dispensing connector. The sealing member is contacted with the blood dispensing connector through the sealing element to form a seal, and the sealing element is soft and deformable, so that the sealing effect of the free end of the blood dispensing connector is good.
Further, the blood distribution connectors are annularly distributed on the fixed disk, and the sealing element is also annularly shaped. The annular sealing piece can seal all the blood distribution joints and save the consumable of the sealing piece.
Further, the seal is made of foamed silicone. The foaming silica gel is easy to deform, and elastic deformation occurs when the blood distribution joint is sealed, so that the sealing piece can be repeatedly used, and the durability is strong.
Further, a fixed disc for fixing the blood distribution joint is disc-shaped, and two ends of the same diameter are respectively provided with a reset sensor and a position sensor; the sensing ends corresponding to the two sensors are arranged on the rotating disk, and the rotating disk is connected with a second driving device. Resetting the sensor to enable the rotary disk to return to the original point, and then limiting the rotary disk by the position sensor, wherein the maximum rotation angle of the rotary disk along the original point is +/-180 degrees; the airtight detector is connected with the air guide channel through the air pipe, so that the structure can measure the air tightness of all the blood distribution connectors and avoid knotting of the air pipe and unsmooth ventilation.
Further, the first driving device is a linear motor, and the second driving device is a rotary motor. The first driving device may be a driving device capable of linear movement, such as a cylinder; the rotating motor drives the rotating disk to rotate, so that the air tightness of each blood distribution joint is measured.
According to another aspect of the present invention, there is provided a method for detecting air tightness, comprising a step of forming a seal on an outlet end of a blood dispensing connector by a sealing member, and then performing an air tightness detecting operation. By providing a sealing member, the end of the blood dispensing connector is sealed and further operations are performed.
Further, the method comprises the following steps:
s1, starting a detector, resetting the sensor and driving the rotating disk to return to an original point;
s2, the first driving device drives the sealing component to move towards the blood dispensing joint until the sealing piece abuts against the blood dispensing joint;
s3, pressurizing the airtight detector to a preset air pressure value towards the inside of the detection cavity and maintaining the preset time period, and simultaneously measuring the air pressure in the detection cavity by the airtight detector; if the air pressure detection value is within the preset pressure range, the airtight detector is decompressed; if the air pressure detection value is out of the preset pressure range, the air tightness detector records the air pressure value and the corresponding blood distribution joint or gives an alarm;
s4, the number of the blood distribution joints is N, the blood distribution joints are uniformly distributed on the circumference of the fixed disc, the second driving device drives the rotating disc to rotate, and the rotation angle is 360 degrees/N;
s5, repeating the steps S3-S4 until the rotating disc rotates 180 degrees; the rotary disk returns to the original point and rotates reversely, and the steps S3 to S4 are repeated again until the rotary disk rotates reversely by 180 degrees, and the detection is finished.
After the detection is finished, the rotating disk can also be controlled to return to the original point; after the detection is finished, the record result of the airtight detector can be used for knowing whether the airtightness of all the blood distribution connectors reaches the standard.
Further, the preset air pressure value is 40kpa, the preset time period is 10s, and the preset pressure range is 38-40 kpa. The preset pressure range is changed along with the change of the preset air pressure value, and the preset time period needs to be long enough to ensure the stability of the detection result.
Further, the number of the blood dispensing connectors N is 40, and the rotation angle is 9 °. The quantity of the blood distribution connectors is reasonably set, and then the rotation angle is set.
Compared with the prior art, the invention has the beneficial effects that: by utilizing the structure of the Weissel method blood sedimentation instrument, a sealable detection cavity is formed by arranging an airtight detector, a sealing member and an air guide channel, and the operations of ventilation, air pressure measurement and the like can be performed on the detection cavity by the airtight detector, so that whether the air tightness of the installation part of the blood distribution joint meets the standard is judged; the rotating disc of the Weissel method blood sedimentation instrument can rotate, and the airtight detector is connected with the air guide channel, so that different blood distribution joints can be switched to be connected with the air guide channel through the rotation of the rotating disc, and the airtight of different detection cavities can be measured through the airtight detector; in sum, the air tightness of all the blood distribution connectors can be detected by using the air tightness detection device, and different detection cavities share the same air guide channel, so that the structure is simple, and the detection is convenient. After the detection is finished, the rotating disk can also be controlled to return to the original point; after the detection is finished, the record result of the airtight detector can be used for knowing whether the airtightness of all the blood distribution connectors reaches the standard.
Description of the drawings:
the accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 shows a structural diagram of a device for detecting the air tightness of a channel of a Weissella method blood sedimentation instrument of the present invention.
Fig. 2 shows a top view of fig. 1.
Figure 3 shows a cross-sectional view at A-A in figure 2.
Wherein the above figures include the following reference numerals:
1 a blood dispensing connector; 2, fixing a disc; 3 a sealing member; 31 a bottom plate; 32 seals; 4 a first driving device; 5, rotating the disc; 51 an air guide channel; 6 a second driving device; 7, an inflating device; 81 resetting the sensor; 82 position sensor; 91 waste liquid joint.
Detailed Description
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
As shown in fig. 1 and 2, a device for detecting the air tightness of a channel of a westerner method blood sedimentation instrument comprises an air tightness detector, a sealing member 3 and an air guide channel formed on a rotating disk 5 of the westerner method blood sedimentation instrument; the airtight detector is connected with the air guide channel 51, and the sealing component 3 is used for sealing the outlet end of the blood distribution joint 1 of the Weissella blood sedimentation instrument; the sealing member 3 is connected to a first driving means 4 to form a closure of the outlet end by axial movement of the blood dispensing connector 1; the air guide channel is communicated with the blood distribution joint 1 and can form a closed detection cavity.
As shown in fig. 3, the sealing member 3 is preferably provided with a base plate 31 connected to the first driving device 4, and a soft seal 32 fixed to the base plate 31; a seal 32 is located between the base plate 31 and the blood dispensing connector 1.
Preferably, the blood dispensing connector 1 is annularly distributed on the fixed disk 2, and the seal 32 is also annular.
Preferably, the seal 32 is made of foamed silicone.
Preferably, the fixing plate 2 for fixing the blood dispensing connector 1 is disc-shaped, and two ends of the same diameter are respectively provided with a reset sensor 81 and a position sensor 82; the sensing ends corresponding to the two sensors are arranged on a rotating disc 5, and the rotating disc is connected with a second driving device 6.
Preferably, the first driving device 4 is a linear motor and the second driving device 6 is a rotary motor.
A method for detecting the air tightness of blood is composed of a channel air tightness detector of Weissel method, a sealing member 3 for sealing the outlet end of blood distributing joint 1, and air tightness detecting operation.
Preferably, the method comprises the following steps:
s1, starting a detector, and enabling a reset sensor 81 to act and drive a rotating disk 5 to return to an original point;
s2, the first driving device 4 drives the sealing member 3 to move towards the blood dispensing connector 1 until the sealing piece 32 abuts against the blood dispensing connector 1;
s3, pressurizing the airtight detector to a preset air pressure value towards the inside of the detection cavity and maintaining the preset time period, and simultaneously measuring the air pressure in the detection cavity by the airtight detector; if the air pressure detection value is within the preset pressure range, the airtight detector is decompressed; if the detected air pressure value is outside the preset pressure range, the air tightness detector records the air pressure value and the corresponding blood distribution joint 1 or gives an alarm;
s4, the number of the blood distribution joints 1 is N, the blood distribution joints are uniformly distributed in the circumferential direction of the fixed disc 2, the second driving device 6 drives the rotating disc 5 to rotate, and the rotation angle is 360 degrees/N;
s5, repeating the steps S3-S4 until the rotating disc 5 rotates 180 degrees; the rotary disk 5 is returned to the origin and reversely rotated, and the steps S3 to S4 are repeated again until the rotary disk 5 reversely rotates 180 ° and the detection is completed.
Preferably, the preset air pressure value is 40kpa, the preset time period is 10s, and the preset pressure range is 38-40 kpa.
Preferably, the number of the blood dispensing connectors 1N is 40, and the rotation angle is 9 °.
Specifically, an air-filling device 7 is arranged in the airtight detector, the air-filling device 7 is fixed on a frame of the Weissel blood sedimentation device, and the air-filling device 7 is connected to the air guide channel 51 through an air pipe.
The base plate 31 is provided with an annular recess in which the seal 32 is embedded. Saving space of the sealing member 3 in the vertical direction. The second driving device 6 drives the rotating disc 5 to rotate through a belt wheel structure; the inflator 7 is an air pump and is connected with the air guide passage 51 through an air pipe.
As shown in fig. 3, in addition to 40 blood distribution fittings 1 uniformly arranged in the circumferential direction, two waste liquid fittings 91 for discharging waste liquid are symmetrically provided.
The invention utilizes the structure of the Weissel method blood sedimentation instrument, and forms a sealable detection cavity by arranging the airtight detector, the sealing member 3 and the air guide channel 51, and the airtight detector can perform operations such as ventilation, air pressure measurement and the like on the detection cavity, so as to judge whether the air tightness of the installation part of the blood distribution joint 1 meets the standard or not; the rotating disk 5 of the Weissel method blood sedimentation instrument can rotate, and the airtight detector is connected with the air guide channel 51, so that different blood distribution connectors 1 can be switched to be connected with the air guide channel 51 through the rotation of the rotating disk 5, and the airtight of different detection cavities can be measured through the airtight detector; in summary, the air tightness of all the blood distribution connectors 1 can be detected by using the air tightness detection device, and different detection cavities share the same air guide channel 51, so that the structure is simple, and the detection is convenient.
Because the blood supply channel is arranged on the rotating disk 5 of the Weissel method blood sedimentation instrument, the blood supply channel can be used as the air guide channel 51 when the air tightness is detected, and the original structure of the rotating disk 5 is not required to be changed, and in the structure, when the air tightness is detected, the connecting device of the blood supply channel is required to be switched into the air tightness detector, and after the air tightness is detected, the connecting device of the blood supply channel is switched back; alternatively, the independent air guide channel 51 may be formed on the rotating disc 5, so that the blood supply channel and the air guide channel 51 are simultaneously formed on the rotating disc 5, and when the air tightness is detected, only the air guide channel 51 is required to be connected, and the blood supply channel is required to be closed.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (7)
1. The device for detecting the air tightness of the channel of the Wehnsonian blood sedimentation instrument is characterized by comprising an air tightness detector, a sealing component (3) and an air guide channel formed on a rotating disc (5) of the Wehnsonian blood sedimentation instrument; the airtight detector is connected with the air guide channel (51), and the sealing component (3) is used for sealing off the outlet end of a blood distribution joint (1) of the Weissel method blood sedimentation instrument; the sealing member (3) is connected to a first driving device (4) to form a closure of the outlet end by axial movement of the blood dispensing connector (1); the air guide channel is communicated with the blood distribution joint (1) and can form a closed detection cavity;
the sealing member (3) is provided with a bottom plate (31) connected with the first driving device (4), and a soft sealing element (32) fixed on the bottom plate (31); -said seal (32) is located between said bottom plate (31) and said blood dispensing connector (1);
the fixed disc (2) for fixing the blood distribution joint (1) is disc-shaped, and two ends of the same diameter are respectively provided with a reset sensor (81) and a position sensor (82); the induction ends corresponding to the two sensors are arranged on the rotating disc (5), and the rotating disc (5) is connected with a second driving device (6);
the blood distribution connectors (1) are annularly distributed on the fixed disc (2), and the sealing piece (32) is also annularly.
2. The device for detecting the tightness of a channel of a weskin method blood sedimentation apparatus according to claim 1, wherein the sealing member (32) is made of foamed silica gel.
3. The device for detecting the air tightness of a channel of a weskin method blood sedimentation instrument according to claim 1, wherein the first driving device (4) is a linear motor and the second driving device (6) is a rotary motor.
4. A method for detecting the air tightness of the channel of the weskin method blood sedimentation apparatus according to any one of claims 1 to 3, characterized in that the outlet end of the blood distribution connector (1) is sealed by the sealing member (3) and then subjected to the air tightness detection operation.
5. The air tightness detection method according to claim 4, comprising the steps of:
s1, starting a detector, enabling a reset sensor (81) to act and driving a rotating disc (5) to return to an original point;
s2, the first driving device (4) drives the sealing component (3) to move towards the blood dispensing joint (1) until the sealing piece (32) abuts against the blood dispensing joint (1);
s3, pressurizing the airtight detector to a preset air pressure value towards the inside of the detection cavity and maintaining the preset time period, and simultaneously measuring the air pressure in the detection cavity by the airtight detector; if the air pressure detection value is within the preset pressure range, the airtight detector is decompressed; if the air pressure detection value is outside the preset pressure range, the air tightness detector records the air pressure value and the corresponding blood distribution joint (1), or gives an alarm;
s4, the number of the blood distribution joints (1) is N and the blood distribution joints are uniformly distributed on the circumference of the fixed disc (2), the second driving device (6) drives the rotating disc (5) to rotate, and the rotation angle is 360 degrees/N;
s5, repeating the steps S3-S4 until the rotating disc (5) rotates 180 degrees; the rotary disk (5) returns to the original point and rotates reversely, and the steps S3-S4 are repeated again until the rotary disk (5) rotates reversely by 180 degrees, and the detection is finished.
6. The method according to claim 5, wherein the preset air pressure value is 40kpa, the preset time period is 10s, and the preset pressure range is 38 to 40kpa.
7. The method according to claim 5, wherein the number of the blood distribution connectors (1) N is 40, and the rotation angle is 9 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546939.XA CN112747875B (en) | 2020-12-24 | 2020-12-24 | Welch method blood sedimentation instrument channel air tightness detection device and air tightness detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546939.XA CN112747875B (en) | 2020-12-24 | 2020-12-24 | Welch method blood sedimentation instrument channel air tightness detection device and air tightness detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112747875A CN112747875A (en) | 2021-05-04 |
| CN112747875B true CN112747875B (en) | 2023-05-26 |
Family
ID=75647481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011546939.XA Active CN112747875B (en) | 2020-12-24 | 2020-12-24 | Welch method blood sedimentation instrument channel air tightness detection device and air tightness detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112747875B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184528A (en) * | 2021-12-01 | 2022-03-15 | 重庆南方数控设备股份有限公司 | Full-automatic sedimentation dynamic analyzer by Weishi method and detection method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006327621A (en) * | 2005-05-25 | 2006-12-07 | Nikka Densoku Kk | Method and apparatus for inspecting sealing of sealed package |
| CN205192698U (en) * | 2015-11-30 | 2016-04-27 | 四川南格尔生物科技有限公司 | Sealed head leak hunting device |
| CN106944427A (en) * | 2017-05-04 | 2017-07-14 | 重庆南方数控设备有限责任公司 | Esr analyzer cleaning device and the Wei Shi esr analyzers comprising the cleaning device |
| CN208672237U (en) * | 2018-09-30 | 2019-03-29 | 中车青岛四方车辆研究所有限公司 | Air spring air tight test device |
| CN209927377U (en) * | 2019-05-24 | 2020-01-10 | 安徽法西欧汽车部件有限公司 | Air tightness detection mechanism of environment-friendly filter |
| CN110799449A (en) * | 2017-06-28 | 2020-02-14 | 克朗斯股份公司 | Method for controlling the tightness of a filling and sealing unit for containers and filling and sealing machine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2771842Y (en) * | 2005-03-04 | 2006-04-12 | 深圳市比克电池有限公司 | Tightness detecting device |
| JP4457273B1 (en) * | 2009-06-23 | 2010-04-28 | サンゼキカイ株式会社 | Airtight test equipment for three-dimensional openings on two orthogonal surfaces |
| CN202453156U (en) * | 2011-12-19 | 2012-09-26 | 浙江久立特材科技股份有限公司 | Airtightness testing device for steel tubes |
| CN202442853U (en) * | 2012-02-09 | 2012-09-19 | 威海市凯博自动化技术有限公司 | Leakage detection device for medical blood collection pipeline |
| CN104204813B (en) * | 2013-06-19 | 2016-05-25 | 深圳市亚辉龙生物科技股份有限公司 | Full-automatic erythrocyte sedimentation rate analyzer and detection method thereof |
| CN106353227B (en) * | 2016-08-24 | 2020-06-05 | 重庆南方数控设备股份有限公司 | Blood sample feeding device for accurate Weishi method blood sedimentation detector |
| CN109738129B (en) * | 2019-01-09 | 2024-03-26 | 成都凯天电子股份有限公司 | Method for detecting air tightness of conduit assembly |
| JP7274349B2 (en) * | 2019-05-23 | 2023-05-16 | 株式会社フクダ | airtightness tester |
| CN210513592U (en) * | 2020-03-26 | 2020-05-12 | 潍坊极尚智能科技有限公司 | Airtight valve gas tightness detection device |
| CN111610339B (en) * | 2020-05-26 | 2023-06-27 | 山东艾科达生物科技有限公司 | Full-automatic Weissel method blood sedimentation analyzer |
-
2020
- 2020-12-24 CN CN202011546939.XA patent/CN112747875B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006327621A (en) * | 2005-05-25 | 2006-12-07 | Nikka Densoku Kk | Method and apparatus for inspecting sealing of sealed package |
| CN205192698U (en) * | 2015-11-30 | 2016-04-27 | 四川南格尔生物科技有限公司 | Sealed head leak hunting device |
| CN106944427A (en) * | 2017-05-04 | 2017-07-14 | 重庆南方数控设备有限责任公司 | Esr analyzer cleaning device and the Wei Shi esr analyzers comprising the cleaning device |
| CN110799449A (en) * | 2017-06-28 | 2020-02-14 | 克朗斯股份公司 | Method for controlling the tightness of a filling and sealing unit for containers and filling and sealing machine |
| CN208672237U (en) * | 2018-09-30 | 2019-03-29 | 中车青岛四方车辆研究所有限公司 | Air spring air tight test device |
| CN209927377U (en) * | 2019-05-24 | 2020-01-10 | 安徽法西欧汽车部件有限公司 | Air tightness detection mechanism of environment-friendly filter |
Non-Patent Citations (1)
| Title |
|---|
| Ves-matic20全自动血沉仪的性能评价及系统维护;李德忠;医疗装备;第18卷(第1期);第28页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112747875A (en) | 2021-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7168334B1 (en) | Arrangement for measuring a property of a fluid present in a tube | |
| CN112747875B (en) | Welch method blood sedimentation instrument channel air tightness detection device and air tightness detection method | |
| CN107607301B (en) | Detection device and detection method for safety valve of storage battery | |
| CN115077806B (en) | Nondestructive rapid detection device for welding seam of pressure vessel | |
| CN211347368U (en) | Valve gas tightness detection device | |
| CN111323179A (en) | Pipeline interface air tightness detection device and detection method | |
| CN204535926U (en) | The automatic swelling plug of a kind of heating radiator air-leakage test | |
| CN116448345B (en) | Device and method for testing air tightness of composite metal flange gasket | |
| CN115824514B (en) | Medical instrument gas tightness testing arrangement | |
| CN105865728A (en) | Small flow leakage detection method and device | |
| CN209513191U (en) | A kind of on-vehicle lens tightness measuring device | |
| CN114354091A (en) | Outward expansion type sealing detection device | |
| CN204142390U (en) | Temperature-detecting device | |
| CN116989959B (en) | Metal pipe fitting tightness detection device | |
| CN219015966U (en) | Abrasion resistance test device for sealing ring of internal mixer | |
| CN211602328U (en) | Drain valve air tightness detection device and washing machine drain valve air tightness detection device thereof | |
| CN106768722A (en) | A kind of closure pressure testing device and closure pressure-measuring method suitable for mesohigh Gas Pipe | |
| CN212963806U (en) | Equipment for detecting torque and pressure of deep submergence rotary sealing device | |
| CN109855812A (en) | A kind of on-vehicle lens tightness measuring device | |
| CN205404054U (en) | Gas tightness detection device | |
| CN212132056U (en) | External detection device for fuel oil pressure pipe | |
| CN109813488A (en) | A kind of pressure obtaning device | |
| CN219994678U (en) | Close-fitting angular tooth flange | |
| CN220525229U (en) | Water pipe tightness detection device | |
| KR102660393B1 (en) | An apparatus for checking the vacuum pressure in advance in a container for tire vulcanization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |