CN209858743U - Flicker detection device and case thereof - Google Patents

Abstract

The utility model relates to the technical field of detection equipment, and provides a flicker detection device and a case thereof, wherein a case plate of the case is provided with a hatch for a sample to be detected to pass in and out, a baffle for sealing the hatch is arranged at the hatch, and the baffle can be rotatably connected at the hatch for sealing the hatch and preventing external light from entering the case; the box board is provided with a mounting groove which is sunken downwards from the outer surface of the box board at the periphery of the hatch, the inner side of the baffle is provided with a convex edge corresponding to the mounting groove, and when the baffle seals the hatch, the convex edge is positioned in the mounting groove. The matching of the mounting groove and the convex edge prevents external light from being directly projected into the case from a gap between the baffle and the case plate, further improves the shading property of the case hatch, solves the problem of poor shading property of the case, and avoids the interference of the external light on flicker detection; the flicker detection device with the case also has the beneficial effects.

Description

Flicker detection device and case thereof

Technical Field

The utility model relates to a check out test set technical field especially relates to a scintillation detection device and quick-witted case thereof.

Background

The flicker detection device generally comprises a flicker detector, a darkroom, a display module and corresponding auxiliary devices, the devices are generally fixedly arranged in a case, the flicker detector is an electronic device for converting optical signals into electric signals, so the flicker detection needs to be carried out in a harsher shading environment, a sample to be detected is generally placed in the darkroom for flicker detection, so that the interference of external light on the flicker detection is avoided, but due to the fact that an inlet and an outlet of the sample to be detected, a scanning window and the like need to be arranged, the darkroom has light leakage to a certain degree, and the detection result is influenced. The chassis plays a role in supporting and protecting internal devices and also plays a certain role in shading, so that the shading performance of the chassis is improved, light entering a darkroom can be effectively reduced, and interference of external light is avoided. Among the prior art, set up the hatch that supplies the material business turn over on the quick-witted case, this hatch of external light accessible gets into quick-witted incasement portion to get into the darkroom, influence the testing result, consequently, need provide a new technical scheme in order to improve the shading performance of quick-witted case.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a quick-witted case and have scintillation detection device of this quick-witted case to solve the poor problem of quick-witted case shading performance, avoid external light to the interference of scintillation detection.

The utility model provides a technical scheme that above-mentioned technical problem adopted is:

the utility model provides a quick-witted case of scintillation detection device, set up the hatch that supplies the sample business turn over that awaits measuring on the boxboard of machine case, hatch department is connected with rotatable baffle, the boxboard is in the hatch periphery is provided with mounting groove, the inboard of baffle corresponds the position of mounting groove is provided with the bead, the baffle seals during the hatch, the bead is located in the mounting groove.

As an improvement of the above technical solution, the mounting groove includes an upper groove, a lower groove, a left groove and a right groove; the convex ribs comprise upper convex ribs corresponding to the upper grooves, left convex ribs corresponding to the left grooves and right convex ribs corresponding to the right grooves.

As a further improvement of the technical scheme, first cushion blocks are arranged in the upper groove, the left groove and the right groove, and when the hatch is closed by the baffle, the convex ribs abut against the first cushion blocks.

As a further improvement of the above technical solution, a second cushion block is disposed on the support wall between the lower groove and the hatch, and when the baffle closes the hatch, the inner wall of the baffle abuts against the second cushion block.

As a further improvement of the above technical solution, a first mounting seat is disposed in the lower groove, and a second mounting seat is disposed on an inner surface of the baffle plate, and the second mounting seat is hinged to the first mounting seat.

As a further improvement of the above technical solution, a torsion spring is installed between the baffle and the lower groove, a limit stop for limiting a first end of the torsion spring is provided on the baffle, and a clamping groove for installing a second end of the torsion spring is provided at the lower groove.

As a further improvement of the above technical solution, the clamping groove includes a first clamping groove, a second clamping groove and a third clamping groove that are communicated with each other, the first clamping groove penetrates through a groove wall of the lower groove and extends to a bottom wall of the lower groove, the second clamping groove is provided on the bottom wall of the lower groove, the second clamping groove extends from a bottom of the first clamping groove to a length direction of the lower groove, and the third clamping groove is provided on the bottom wall of the lower groove and extends upward.

As a further improvement of the technical scheme, the baffle plate is further provided with a shaft seat, and the torsion spring is sleeved on the shaft seat.

As a further improvement of the technical scheme, the inner side surface of the baffle is also provided with a raised support platform, the table top of the support platform comprises an inclined surface and an arc surface, and smooth transition is formed between the inclined surface and the arc surface.

The utility model also provides a scintillation detection device, including darkroom, scintillation detector, objective table and foretell quick-witted case, the darkroom is fixed to be set up the inside of machine case, the objective table is used for bearing the sample that awaits measuring, the objective table movably set up in the darkroom, the darkroom is equipped with opening and window, the opening with the hatch is corresponding, the objective table passes through the hatch business turn over quick-witted case, just the objective table passes through the opening business turn over the darkroom, scintillation detector's detection end connect in the window.

The utility model has the advantages that:

a hatch opening for the sample to be detected to enter and exit is formed in a box plate of the case, a baffle plate for sealing the hatch opening is mounted at the hatch opening, and the baffle plate is rotatably connected to the hatch opening and used for sealing the hatch opening and preventing external light from entering the case; the box board is provided with a mounting groove which is sunken downwards from the outer surface of the box board at the periphery of the hatch, the inner side of the baffle is provided with a convex edge corresponding to the mounting groove, and when the baffle seals the hatch, the convex edge is positioned in the groove. The matching of the mounting groove and the convex edge avoids external light from being directly projected into the case from a gap between the baffle and the case plate, further improves the shading property of the case hatch, solves the problem of poor shading performance of the case, avoids the interference of the external light on flicker detection, and is beneficial to improving the accuracy of detection; the flicker detection device with the case also has the beneficial effects.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the following will briefly explain the drawings required to be used in the description of the embodiments:

fig. 1 is a schematic external structural diagram of an embodiment of a flicker detection apparatus according to the present invention;

fig. 2 is a schematic structural diagram of an embodiment of a box board in a chassis of the present invention;

fig. 3 is a schematic structural diagram of an embodiment of a baffle and a box plate in a chassis according to the present invention;

FIG. 4 is an enlarged view of FIG. 3 at A;

fig. 5 is a schematic structural view of an embodiment of the baffle in the chassis of the present invention;

fig. 6 is a cross-sectional view of a hatch of an embodiment of a chassis of the present invention.

Detailed Description

The concept, specific structure and technical effects of the present invention will be described in detail below with reference to the embodiments and the accompanying drawings 1 to 6, so as to fully understand the objects, features and effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The upper, lower, left, right and other directions of the present invention are only described with respect to the mutual position relationship of the components of the present invention in the drawings. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.

Fig. 1 is a schematic external structural diagram of an embodiment of the scintillation detection apparatus of the present invention, referring to fig. 1, the scintillation detection apparatus generally includes a scintillation detector, a darkroom, an object stage and a case 1, wherein the scintillation detector, the darkroom and the object stage are all disposed inside the case 1, and therefore are not shown in the figure; the objective table is used for bearing a sample to be tested or a loading tool containing the sample, the objective table is movably arranged in the darkroom, the darkroom is provided with an opening and a first window, the objective table enters and exits the darkroom through the opening, and the detection end of the scintillation detector is connected to the first window. The solid-state scintillator is arranged between the sample to be detected entering the darkroom and the detection end of the scintillation detector, for example, the solid-state scintillator can be arranged at the detection end of the scintillation detector or on the loading tool, and preferably, the detection end of the scintillation detector can be close to the solid-state scintillator. The scintillation detector can carry out scintillation detection on the sample to be detected in the darkroom. The scintillation detector is a device capable of detecting a light signal generated by the excited scintillator, and in this embodiment, the scintillation detector may include a photomultiplier, and the cathode end of the photomultiplier is the detection end. The detection principle of the photomultiplier is a known technology, and is not described herein; the loading tool may be a sample collection device that allows the subject to be insufflated and that collects the exhaled air of the subject.

The scintillation detection device can be used for detecting helicobacter pylori, and specifically, a subject can first take a urea drug (such as urea) with isotope-labeled carbon¹⁴C]Medicine), the urea medicine can decompose carbon dioxide with isotope labeled carbon in human body, then the person to be tested can exhale to the sample carrier or the loading tool with the sample carrier, so that the sample carrier absorbs the carbon dioxide with isotope labeled carbon to become the sample to be tested, then the sample to be tested or the loading tool can be placed on the objective table, and the objective table enters into the darkroom for the detection of the scintillation detector. The sample to be tested adsorbs isotope labeled carbon [ C ]¹⁴C]The carbon dioxide of (2) can radiate low-energy beta rays, the beta rays have weaker penetrating power, so that a sample to be detected and the solid scintillator are placed in the same darkroom through the objective table to realize detection, the beta rays radiated by the sample to be detected can excite the solid scintillator to emit light signals in a close range without blocking, the scintillation detector can directly sense the light signals, in addition, the darkroom connecting structure also provides better shading conditions, the scintillation detection device has higher accuracy and efficiency in detection, and the operation is simpler, more convenient and safer. Based on the carbon [ 2 ] with isotope label exhaled by the person to be measured¹⁴C]The amount of carbon dioxide, it is possible to detect whether the subject is infected with helicobacter pylori.

Offer the hatch 111 that supplies the sample business turn over that awaits measuring on case 1's the boxboard 11, hatch 111 department installs the baffle 2 that is used for sealing the hatch, baffle 2 rotationally connects in hatch 111 department, the objective table passes through hatch 111 business turn over case 1, during the outward movement of objective table, can push away baffle 2, after the objective table gets into in the case 1, hatch 111 is closed to baffle 2, thereby prevent that external light from getting into inside the case 1, and influence the scintillation detector to the sample's that awaits measuring in the darkroom detection. The darkroom is used for providing light shielding conditions required by the flicker detection, and the darkroom is provided with the opening which corresponds to the hatch 111 and through which the object stage enters and exits the darkroom. The sample to be detected enters and exits the darkroom along with the objective table, the darkroom is provided with a first window for being in butt joint with the scintillation detector, so that the scintillation detector can carry out scintillation detection on the sample to be detected placed in the darkroom, the scintillation detector is fixedly arranged in the case, and the detection end of the scintillation detector is in butt joint with the first window, so that the sample to be detected can be subjected to scintillation detection. The darkroom is also provided with a second window, the objective table is driven by the objective table driving device, and the objective table driving device is connected with the objective table arranged in the darkroom through the second window, so that the objective table is driven to enter and exit the darkroom.

Fig. 2 is the utility model discloses a structural schematic diagram of an embodiment of boxboard in the machine case, fig. 3 is the utility model discloses a structural schematic diagram of an embodiment of baffle and boxboard in the machine case, fig. 4 is the A of fig. 3 enlargedly, refers to fig. 2 ~ 4 simultaneously, offers the hatch 111 that supplies the sample business turn over that awaits measuring on the boxboard 11 of machine case 1, and hatch 111 department installs a baffle 2 for seal hatch 111, prevent the light leak. The barrier 2 is rotatably coupled at the hatch 111. The hatch 111 is provided with a torsion spring 3, a first end 31 of the torsion spring 3 is connected with the baffle 2, a second end 32 of the torsion spring is clamped at the edge of the hatch 111 of the box plate 11, after the installation is completed, a certain torsion angle exists at two ends of the torsion spring 3, so that corresponding torque is prestored in the torsion spring 3, the baffle 2 can be kept to be attached to the box plate 11, and the hatch 111 is kept in a closed state; when pushing away baffle 2 and opening hatch 111, thereby baffle 2 rotates and further twists torsional spring 3 for torsional spring 3 energy storage, but the effect of torsional spring 3 makes baffle 2 self-closing. Hatch 111 department still is provided with the cushion (including following first cushion 4 and second cushion 5), and when 2 closed hatch 111 of baffle, the cushion was pressed from both sides between 2 and boxboard 11 at baffle, can play crashproof cushioning effect, can further shade again, prevents the gap light leak between 2 and the boxboard 11 of baffle.

The trunk board 11 is provided at the periphery of the hatch 111 with a mounting groove 12 depressed downward from the outer surface of the trunk board 11. Specifically, the mounting groove 12 includes an upper groove 121, a lower groove 122, a left groove 123, and a right groove 124, and the first pad 4 (see fig. 6 in particular) is disposed in three sections of the upper groove 121, the left groove 123, and the right groove 124.

Install torsional spring 3 between baffle 2 and the low groove 122, be provided with the limit stop 22 that is used for restricting the first end 31 of torsional spring 3 on the baffle 2, limit stop 22 includes two dogs, and the two is a screens, can drive the first end 31 of torsional spring 3 and rotate around the central line of torsional spring 3. The lower groove 122 is provided with a clamping groove 13 for mounting the second end 32 of the torsion spring 3, so that the torsion spring 3 can be firmly clamped.

The clamping groove 13 comprises a first clamping groove 131, a second clamping groove 132 and a third clamping groove 133 which are communicated with each other, the first clamping groove 131 penetrates through the groove wall of the lower groove 122 and extends to the bottom wall of the lower groove 122, the second clamping groove 132 is formed in the bottom wall of the lower groove 122, the second clamping groove 132 extends from the bottom of the first clamping groove 131 to the length direction of the lower groove 122, the second clamping groove 132 inclines towards the direction of the groove wall 14, the third clamping groove 133 is formed in the bottom wall of the lower groove 122, the third clamping groove 133 is communicated with the second clamping groove 132 and extends upwards, when the torsion spring 3 is installed, the second end 32 of the torsion spring extends into the first clamping groove 131 and slides into the third clamping groove 133 along the second clamping groove 132, so that the torsion spring is clamped in the clamping groove 13, and the end part of the second end 32 of the torsion spring 3 is provided with a bend, so that the end can be prevented from.

Figure 5 is a schematic structural view of an embodiment of the baffle 2 in the cabinet 1 of the present invention,

fig. 6 is a cross-sectional view of the hatch of an embodiment of the cabinet of the present invention, and referring to fig. 5 and 6 in combination with the above, the rib 21 on the baffle 2 includes an upper convex rib 211 corresponding to the upper groove 121, a left rib 212 corresponding to the left groove 123, and a right rib 213 corresponding to the right groove 124. The bottoms of the upper groove 121, the left groove 123 and the right groove 124 are provided with first pads 4. The rib 21 is arranged on the inner side of the baffle 2, and when the hatch 111 is closed, the rib 21 is positioned in the mounting groove 12 and abuts against the first cushion block 4. A second cushion block 5 is arranged on the supporting wall between the lower groove 122 and the hatch 111, and when the baffle plate 2 closes the hatch 111, the inner wall of the baffle plate 2 abuts against the second cushion block 5. The cooperation of mounting groove 12 and bead 21 can play limiting displacement, can avoid external light to penetrate to quick-witted incasement portion from the gap of baffle 2 and boxboard 11 moreover, has solved the poor problem of quick-witted case shading performance, avoids external light to the interference of scintillation detection. First cushion 4 and second cushion 5 can play crashproof cushioning effect, can further the shading again, prevent the gap light leak between baffle 2 and the boxboard 11.

The lower groove 122 is provided with a first mounting seat 15, the inner surface of the baffle 2 is provided with a second mounting seat 23 corresponding to the first mounting seat 15, the second mounting seat 23 is hinged to the first mounting seat 15, the baffle 2 can rotate around the hinged part to open the hatch 111, and the torsion spring 3 can enable the baffle 2 to automatically rotate towards the hatch 111 under the condition of not receiving external force, so as to close the hatch 111. In this embodiment, a pair of first mounting seats 15 are symmetrically disposed on two sides of the lower groove 122, a pair of second mounting seats 23 are disposed on the inner surface of the baffle 2 corresponding to the first mounting seats 15, and the second mounting seats 23 are hinged to the first mounting seats 15, so that two sides of the baffle 2 are hinged to the box board 11, and the baffle 2 is firmly mounted and can flexibly rotate.

Still be equipped with axle bed 24 on baffle 2, 3 covers of torsional spring are established on axle bed 24, and axle bed 24 plays limiting displacement to torsional spring 3, prevents that torsional spring 3 from taking place the skew, improves stability, increases life. The medial surface of baffle 2 still is provided with bellied brace table 25, and when the objective table outwards promoted baffle 2, this brace table 25 was directly promoted to the objective table, and the objective table removes the in-process, and the top surface and the objective table of brace table 25 support and hold to play the supporting role to baffle 2, consequently before the objective table got into quick-witted case completely, the top surface of brace table 25 kept supporting with the objective table and holds, made baffle 2 keep the open mode, guaranteed that the objective table removes smoothly. In this embodiment, the left and right sides symmetry of the medial surface of baffle 2 is provided with a pair of brace table 25, and the top surface of brace table 25 includes inclined plane 251 and cambered surface 252, and this inclined plane 251 and cambered surface 252 smooth and easy transition for the contact is smooth and easy, prevents that the objective table from removing the in-process and appearing the shake.

The above description is only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (10)

1. A machine box of a flicker detection device is characterized in that: the hatch that supplies the sample business turn over that awaits measuring is seted up on the boxboard of machine case, hatch department is connected with rotatable baffle, the boxboard is in the hatch periphery is provided with mounting groove, the inboard of baffle corresponds the position of mounting groove is provided with the bead, the baffle seals during the hatch, the bead is located in the mounting groove.

2. A cabinet according to claim 1, wherein: the mounting grooves comprise upper grooves, lower grooves, left grooves and right grooves; the convex ribs comprise upper convex ribs corresponding to the upper grooves, left convex ribs corresponding to the left grooves and right convex ribs corresponding to the right grooves.

3. A cabinet according to claim 2, wherein: first cushion blocks are arranged in the upper groove, the left groove and the right groove, and when the baffle plate seals the hatch opening, the convex edges abut against the first cushion blocks.

4. A cabinet according to claim 3, wherein: and a second cushion block is arranged on the supporting wall between the lower groove and the hatch opening, and when the baffle plate closes the hatch opening, the inner wall of the baffle plate abuts against the second cushion block.

5. A cabinet according to claim 2, wherein: a first mounting seat is arranged in the lower groove, a second mounting seat is arranged on the inner surface of the baffle, and the second mounting seat is hinged to the first mounting seat.

6. A cabinet according to claim 2, wherein: the spring fixing device is characterized in that a torsion spring is installed between the baffle and the lower groove, a limit stop used for limiting the first end of the torsion spring is arranged on the baffle, and a clamping groove used for installing the second end of the torsion spring is arranged at the lower groove.

7. A cabinet according to claim 6, wherein: the clamping grooves comprise a first clamping groove, a second clamping groove and a third clamping groove which are mutually communicated, the first clamping groove penetrates through the wall of the lower groove and extends to the bottom wall of the lower groove, the second clamping groove is formed in the bottom wall of the lower groove and extends from the bottom of the first clamping groove to the length direction of the lower groove, and the third clamping groove is formed in the bottom wall of the lower groove and extends upwards.

8. A cabinet according to claim 6, wherein: the baffle is further provided with a shaft seat, and the torsion spring is sleeved on the shaft seat.

9. The chassis of any of claims 1-8, wherein: the inner side surface of the baffle is also provided with a raised support platform, the table top of the support platform comprises an inclined surface and an arc surface, and smooth transition is formed between the inclined surface and the arc surface.

10. A flicker detection apparatus, characterized in that: the computer case comprises a darkroom, an object stage, a scintillation detector and the computer case as claimed in any one of claims 1 to 9, wherein the darkroom is fixedly arranged inside the computer case, the object stage is used for bearing a sample to be detected, the object stage is movably arranged in the darkroom, the darkroom is provided with an opening and a window, the opening corresponds to the hatch, the object stage enters and exits the computer case through the hatch, the object stage enters and exits the darkroom through the opening, and a detection end of the scintillation detector is connected to the window.