Sample detection device

Abstract

The utility model relates to a sample detection device, which comprises a detection part, a sample detection part and a sample detection part, the supporting plate is provided with a guide channel, the supporting plate is connected with a first guide pipe, the first guide pipe is located in the detection channel, the guide channel is communicated with the first guide pipe, the end of the first guide pipe is slidably connected with a movable block, and the movable block is provided with an air hole; a moving chain is in sliding connection with the supporting plate and the first guide pipe, and the moving chain can extend into the detection channel and abut against the movable block; the output end of the first driving part is connected with the moving chain; the output end of the second driving piece is connected with a movable rod in a matched mode, the movable rod can slide in the first guide pipe and the guide channel, and the calibration piece is connected to the end of the movable rod; a cleaning plate is connected with the supporting plate, the cleaning plate is provided with a cleaning channel, and a connecting valve is arranged at the end of the cleaning channel. The sample detection device disclosed by the utility model can be used for quickly cleaning the liquid scintillation counter.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field especially relates to a sample detection device. BACKGROUND

[0002] Liquid scintillation counter is mainly used for measuring radioactive nuclide of beta nuclear decay, and dust and other pollutants will appear in the internal channel of the liquid scintillation counter during use, thereby affecting the test result. Since the liquid scintillation counter has a radioactive source, it is difficult for manual cleaning of the liquid scintillation counter, and the cleaning efficiency is low. SUMMARY

[0003] Therefore, the utility model wants to solve the technical problem of providing a sample detection device, which can quickly clean the liquid scintillation counter.

[0004] To solve the above technical problems, the utility model provides a sample detection device, which comprises: a detection piece, the detection piece is provided with a detection channel; a support plate, the support plate is provided with a guide channel, the support plate is connected with a first guide pipe, the first guide pipe is located in the detection channel, the guide channel is communicated with the first guide pipe, the end of the first guide pipe is connected with a movable block in sliding mode, and the movable block is provided with a gas hole; a moving assembly, which comprises a moving chain, the moving chain is connected with the support plate and the first guide pipe in sliding mode, and the moving chain can extend into the detection channel and abut against the movable block; a driving assembly, which comprises a first driving piece, the output end of the first driving piece is connected with the moving chain; a calibration assembly, which comprises a calibration piece, a movable rod and a second driving piece, the output end of the second driving piece is connected with the movable rod in cooperation, the movable rod can slide in the first guide pipe and the guide channel, and the calibration piece is connected to the end of the movable rod; and a cleaning assembly, which comprises a cleaning plate, the cleaning plate is connected with the support plate, the cleaning plate is provided with a cleaning channel, and the end of the cleaning channel is provided with a connecting valve.

[0005] In an embodiment of the utility model, the gas hole is provided with a plurality of gas holes, and the plurality of gas holes are arranged along the circumference of the movable block.

[0006] In an embodiment of the utility model, the movable rod is made of flexible material, the guide channel is arc-shaped, the movable rod is provided with a straight tooth, the output end of the second driving piece is connected with a gear, and the gear is engaged with the straight tooth.

[0007] In an embodiment of the utility model, the calibration assembly further comprises a limiting piece, the movable rod penetrates through the limiting piece, a second guide pipe is connected between the limiting piece and the end of the guide channel, and the movable rod is located in the second guide pipe.

[0008] In one embodiment of the utility model, the limiting piece is equipped with an opening, the output end of the second driving part penetrates the opening and is matched with the movable rod.

[0009] In one embodiment of the utility model, the calibration assembly further includes a stopper and a clamping block, the clamping block is connected to one end of the movable rod away from the calibration piece, the movable rod penetrates the stopper, the stopper can abut against the clamping block, a third guide pipe is connected between the limiting piece and the stopper, and the movable rod is located in the third guide pipe.

[0010] In one embodiment of the utility model, the moving assembly includes a first guide rail, the driving assembly includes a transmission belt, the output end of the first driving part is matched with the transmission belt, the moving chain is slidably connected with the first guide rail, and one end of the moving chain away from the detection piece is connected with the transmission belt through a connecting plate.

[0011] In one embodiment of the utility model, the moving chain includes a plurality of articulated joint blocks, and the articulated positions of the joint blocks are located on the same straight line.

[0012] In one embodiment of the utility model, a second guide rail is arranged on the support plate, and the moving chain is slidably connected with the second guide rail.

[0013] In one embodiment of the utility model, a support block is further included, the moving chain penetrates the support block, and the detection piece is connected with the support block.

[0014] The above technical solution of the utility model has the following advantages compared with the prior art.

[0015] The sample detection device provided by the utility model can complete the detection of the sample through the movement of the movable block by the moving chain and the movement of the calibration piece by the movable rod, and can quickly purge the detection channel and the detection probe in the detection piece by introducing airflow into the connecting valve and adjusting the position of the movable block by the moving chain, thereby improving the cleaning efficiency and removing dust and sundries in the detection channel. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the content of the utility model more easily understood, the utility model will be further described in detail in the following according to the specific embodiments of the utility model and in combination with the drawings.

[0017] Figure 1 is a structural schematic view of the sample detection device of the utility model;

[0018] Figure 2 is Figure 1 partial structural schematic view of the utility model;

[0019] Figure 3 is the assembly structure diagram of the moving assembly and the driving assembly;

[0020] Figure 4 is the partial structure diagram of Figure 3 ;

[0021] Figure 5 is the assembly structure diagram of the calibration assembly and the cleaning assembly;

[0022] Figure 6 is the partial structure diagram of Figure 5 .

[0023] Description of the drawings: 1, bottom plate; 2, moving assembly; 3, driving assembly; 4, detection piece; 5, calibration assembly; 6, support block; 7, support plate; 8, cleaning assembly; 21, connecting plate; 22, first guide rail; 23, joint block; 24, movable block; 31, first driving piece; 25, air hole; 32, transmission belt; 41, detection channel; 42, detection probe; 51, second driving piece; 52, limiting piece; 53, second guide pipe; 54, third guide pipe; 55, stop block; 56, clamping block; 57, movable rod; 58, calibration piece; 59, opening; 71, second guide rail; 72, first guide pipe; 73, guide channel; 81, connecting valve. DETAILED DESCRIPTION

[0024] The present application will be further described below in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the present application and implement it, but the embodiments are not as a limitation on the present application.

[0025] Referring to Figures 1 to 6As shown, the utility model discloses a sample detection device, which comprises: a detection piece 4, which is provided with a detection channel 41; a support plate 7, which is provided with a guide channel 73, and is connected with a first guide pipe 72, and the first guide pipe 72 is located in the detection channel 41, and the guide channel 73 is communicated with the first guide pipe 72, and the end of the first guide pipe 72 is connected with a movable block 24 in a sliding mode, and the movable block 24 is provided with an air hole 25; a moving assembly 2, which comprises a moving chain, and is connected with the support plate 7 and the first guide pipe 72 in a sliding mode, and the moving chain can extend into the detection channel 41 and abut against the movable block 24; a driving assembly 3, which comprises a first driving piece 31, and the output end of the first driving piece 31 is connected with the moving chain; a calibration assembly 5, which comprises a calibration piece 58, a movable rod 57 and a second driving piece 51, and the output end of the second driving piece 51 is connected with the movable rod 57 in a matched mode, the movable rod 57 can slide in the first guide pipe 72 and the guide channel 73, and the calibration piece 58 is connected with the end of the movable rod 57; and a cleaning assembly 8, which comprises a cleaning plate, and the cleaning plate is connected with the support plate 7, and is provided with a cleaning channel, and the end of the cleaning channel is provided with a connecting valve 81.

[0026] The sample detection device of the embodiment, the first driving piece 31 drives the moving chain to move, the moving chain abuts against the movable block 24 and drives the movable block 24 to move to the port position of the detection channel 41, the external transfer device places the sample on the movable block 24, then the moving chain drives the sample to move to the detection position, the second driving piece 51 drives the movable rod 57 to move, the movable rod 57 drives the calibration piece 58 to move to the calibration position, then the detection piece 4 detects the sample, after the detection is completed, the moving chain drives the sample to move to the port position of the detection channel 41, and the sample is separated from the movable block 24 by the transfer device. When cleaning is needed, the movable rod 57 is away from the first guide pipe 72 and the guide channel 73, the connecting valve 81 can be connected with the airflow, the airflow flows along the guide channel 73 and the first guide pipe 72 and is finally sprayed out from the air hole 25 on the movable block 24, and the moving chain moves the movable block 24, so that the movable block 24 can blow the detection channel 41 in the detection piece 4. The movement of the movable block 24 by the moving chain and the movement of the calibration piece 58 by the movable rod 57 can complete the detection of the sample, the detection channel 41 in the detection piece 4 is blown by connecting the airflow with the connecting valve 81 and adjusting the position of the movable block 24 by the moving chain, so as to remove the dust and sundries in the detection channel 41.

[0027] The detection piece 4, the support plate 7, the moving assembly 2, the driving assembly 3, the calibration assembly 5 and the cleaning assembly 8 are connected with the bottom plate 1, and the bottom plate 1 is fixed externally.

[0028] The detection piece 4 is used for detecting the sample, the middle position of the detection piece 4 is provided with a detection channel 41, and the side wall of the detection piece 4 is provided with a detection probe 42 which communicates with the detection channel 41. The support block 6 is connected to the base, and the detection piece 4 is connected to the top of the support block 6.

[0029] Referring to Figure 4 and Figure 6 , the support plate 7 is connected perpendicularly to the bottom plate 1, and the width of the support plate 7 gradually decreases away from the bottom plate 1. One side of the support plate 7 is provided with an inwardly recessed guide channel 73 which is arc-shaped. The top end of the support plate 7 is connected perpendicularly to a first guide pipe 72 which is located in the detection channel 41 and communicates with the guide channel 73. The end of the first guide pipe 72 is slidingly connected to a movable block 24 which is cylindrical, and the end of the movable block 24 away from the bottom plate 1 can abut against the end of the guide pipe. The side wall of the end of the movable block 24 away from the bottom plate 1 is provided with a gas hole 25. The gas hole 25 is provided with a plurality of gas holes which are equidistantly arranged along the circumference of the movable block 24, and the gas hole 25 communicates with the first guide pipe 72. The end of the support plate 7 away from the guide channel 73 is also provided with a second guide rail 71 which is arc-shaped in cross section.

[0030] Referring to Figure 3 and Figure 4 , the moving assembly 2 comprises a moving chain which is slidingly connected to the support plate 7 and the first guide pipe 72 and can extend into the detection channel 41 and abut against the movable block 24. Specifically, the moving assembly 2 further comprises a first guide rail 22 connected to the bottom plate 1, the cross section of the first guide rail 22 is arc-shaped and the same as the second guide rail 71, so that the moving chain can be clamped while sliding on the first guide rail 22 and the second guide rail 71, preventing the moving chain from disengaging from the guide rail. The first guide rail 22 is connected to the second guide rail 71, so that the moving chain can slide on the first guide rail 22 and the second guide rail 71. The moving chain is composed of a plurality of articulated joint blocks 23 which are articulated at the same straight line, so that the moving chain can be bent. The moving chain can slide on the outer side wall of the first guide pipe 72, and the moving chain is in a vertical state on the first guide pipe 72 and can remain stable, so that the moving chain can abut against and move the movable block 24. The support block 6 is located on the moving path of the moving chain, and the moving chain penetrates the support block 6.

[0031] The driving assembly 3 comprises a first driving member 31, and an output end of the first driving member 31 is connected with the moving chain. Specifically, the driving assembly 3 further comprises a transmission belt 32, and an output end of the first driving member 31 is connected with a driving wheel, a driven wheel is rotatably connected on the bottom plate 1, the transmission belt 32 is arranged on the driving wheel and the driven wheel, and the first driving member 31 can drive the transmission belt 32 to rotate. An end of the moving chain away from the detection member 4 is connected with the transmission belt 32 through a connecting plate 21, and the connecting plate 21 is slidably connected with the bottom plate 1, so that the first driving member 31 can drive the moving chain to move.

[0032] Referring to Figure 5 and Figure 6 The calibration assembly 5 comprises a calibration member 58, a movable rod 57 and a second driving member 51, an output end of the second driving member 51 is connected with the movable rod 57 in a matched mode, the movable rod 57 can slide in a first guide pipe 72 and a guide channel 73, and the calibration member 58 is connected with an end of the movable rod 57. Specifically, the calibration member 58 can be regarded as a radiation source, the movable rod 57 is made of a flexible and bendable material, the movable rod 57 is provided with straight teeth, and a gear is connected with the output end of the second driving member 51, the gear is engaged with the straight teeth, so that the second driving member 51 can drive the movable rod 57 to move. The calibration assembly 5 further comprises a limiting member 52, a second guide pipe 53 is connected between the limiting member 52 and an end of the guide channel 73, that is, the second guide pipe 53 is connected with the supporting plate 7, and the movable rod 57 is located in the second guide pipe 53. The limiting member 52 is provided with an opening 59, the output end of the second driving member 51 penetrates through the opening 59 and is connected with the movable rod 57 in a matched mode, that is, the gear extends into the opening 59 and is engaged with the straight teeth on the movable rod 57, and the limiting member 52 and the opening 59 make the engagement between the gear and the straight teeth more stable. The second driving member 51 can drive the movable rod 57 to move, so as to drive the calibration assembly 5 to move in the guide channel 73 and the first guide pipe 72.

[0033] The calibration assembly 5 further comprises a stop block 55 and a clamping block 56, the clamping block 56 is connected with an end of the movable rod 57 away from the calibration member 58, the movable rod 57 penetrates through the stop block 55, and the clamping block 56 can abut against a side of the stop block 55 away from the limiting member 52, and the cooperation between the stop block 55 and the clamping block 56 can limit the moving range of the movable rod 57. A third guide pipe is connected between the limiting member 52 and the stop block 55, and the movable rod 57 is located in the third guide pipe 54. The second guide pipe 53 and the third guide pipe are both arc-shaped, can guide the moving path of the movable rod 57, and have a protection effect on the movable rod 57.

[0034] The cleaning assembly 8 comprises a cleaning plate connected with the position of the guide channel 73 on the support plate 7, the cleaning plate is provided with a cleaning channel, and the end of the cleaning channel is provided with a connecting valve 81.

[0035] In use, the first driving part 31 drives the moving chain to move, the moving chain abuts against the movable block 24 and drives the movable block 24 to move to the port position of the detection channel 41, the external transfer device places the sample on the movable block 24, and then the moving chain drives the sample to move to the detection position, the second driving part 51 drives the movable rod 57 to move, the movable rod 57 drives the calibration part 58 to move to the calibration position, and then the detection part 4 detects the sample, after the detection is completed, the moving chain drives the sample to move to the port position of the detection channel 41, and the sample is separated from the movable block 24 through the transfer device.

[0036] The sample detection device of the utility model, through the movement of the movable block 24 by the moving chain and the movement of the calibration part 58 by the movable rod 57, the detection of the sample can be completed, the detection channel 41 and the detection probe 42 in the detection part 4 are swept quickly by the air flow connected with the connecting valve 81 and the position adjustment of the movable block 24 by the moving chain, the cleaning efficiency is improved, and the dust and sundries in the detection channel 41 are removed.

[0037] Obviously, the above embodiment is only an example for clearly illustrating, and is not limited to the implementation. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the implementation is not required and cannot be exhausted. The obvious changes or variations derived from the protection scope of the utility model.

Claims

1. A sample detection device, characterized by, The utility model relates to a detection device for detecting the quality of the product, and more particularly to a detection device for detecting the quality of the product. It comprises a detection piece provided with a detection channel, a support plate provided with a guide channel, a first guide pipe connected to the support plate and located in the detection channel, a guide channel in communication with the first guide pipe, an end of the first guide pipe slidingly connected with a movable block, the movable block provided with air holes, a moving assembly comprising a moving chain slidingly connected with the support plate and the first guide pipe, the moving chain capable of extending into the detection channel and abutting against the movable block, a driving assembly comprising a first driving piece, the output end of the first driving piece connected with the moving chain, a calibration assembly comprising a calibration piece, a movable rod and a second driving piece, the output end of the second driving piece connected with the movable rod, the movable rod capable of sliding in the first guide pipe and the guide channel, the calibration piece connected to an end of the movable rod, a cleaning assembly comprising a cleaning plate connected with the support plate, the cleaning plate provided with a cleaning channel, an end of the cleaning channel provided with a connecting valve. The air holes are provided in plurality, and the plurality of air holes are arranged along the circumference of the movable block. The movable rod is made of flexible material, the guide channel is arc-shaped, the movable rod is provided with straight teeth, the output end of the second driving piece is connected with a gear, and the gear is engaged with the straight teeth. The calibration assembly further comprises a limiting piece, the movable rod penetrates through the limiting piece, a second guide pipe is connected between the limiting piece and an end of the guide channel, and the movable rod is located in the second guide pipe. The limiting piece is provided with an opening, the output end of the second driving piece penetrates through the opening and is connected with the movable rod. The calibration assembly further comprises a stop block and a clamping block, the clamping block is connected to an end of the movable rod away from the calibration piece, the movable rod penetrates through the stop block, the stop block is capable of abutting against the clamping block, a third guide pipe is connected between the limiting piece and the stop block, and the movable rod is located in the third guide pipe.

2. The sample detection device of claim 1, wherein: The moving assembly comprises a first guide rail, the driving assembly comprises a transmission belt, the output end of the first driving piece is connected with the transmission belt, the moving chain is slidingly connected with the first guide rail, and an end of the moving chain away from the detection piece is connected with the transmission belt through a connecting plate.

3. The sample testing device of claim 1, wherein: The moving chain comprises a plurality of joint blocks hingedly connected with each other, and the hinged positions of the joint blocks are located on the same straight line.

4. The sample testing device of claim 1, wherein: The support plate is provided with a second guide rail, and the moving chain is slidingly connected with the second guide rail.

5. The sample detection device of claim 4, wherein: The utility model further comprises a support block, the moving chain penetrates through the support block, and the detection piece is connected with the support block.

6. The sample testing device of claim 4, wherein: ​ 7. The sample testing device of claim 1, wherein: ​ 8. The sample testing device of claim 1, wherein: ​ 9. The sample testing device of claim 1, wherein: ​ 10. The sample testing device of claim 1, wherein: ​

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