CN111380867A - Hand-held dry chemical analyzer - Google Patents
Hand-held dry chemical analyzer Download PDFInfo
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- CN111380867A CN111380867A CN202010201879.1A CN202010201879A CN111380867A CN 111380867 A CN111380867 A CN 111380867A CN 202010201879 A CN202010201879 A CN 202010201879A CN 111380867 A CN111380867 A CN 111380867A
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- 239000000126 substance Substances 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 78
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 64
- 230000003287 optical effect Effects 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims description 20
- 230000004888 barrier function Effects 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 210000004369 blood Anatomy 0.000 description 6
- 239000008280 blood Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- RBNPOMFGQQGHHO-UWTATZPHSA-N D-glyceric acid Chemical compound OC[C@@H](O)C(O)=O RBNPOMFGQQGHHO-UWTATZPHSA-N 0.000 description 2
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 2
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 235000005911 diet Nutrition 0.000 description 2
- 230000037213 diet Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 210000002966 serum Anatomy 0.000 description 2
- 229940116269 uric acid Drugs 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012503 blood component Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005375 photometry Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/8483—Investigating reagent band
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention discloses a hand-held dry-type chemical analyzer, which comprises a shell and an optical detection module arranged in the shell; the optical detection module comprises a detection circuit board arranged in the shell, and a detection unit, a display screen and a reagent sheet bracket which are arranged on the detection circuit board; the reagent piece support is provided with a reagent piece slot for inserting a reagent piece, the detection unit is used for detecting the reagent piece inserted into the reagent piece slot, and the display screen is used for displaying a detection result. The handheld dry chemical analyzer is small and compact in structure, can meet the functional requirements of handheld portability, is convenient and quick to detect, is simple and easy to operate, and can be well applied to relevant detection in primary hospitals, clinics, families and other places.
Description
Technical Field
The invention relates to the technical field of biology, in particular to a handheld dry-type chemical analyzer.
Background
The hand-held dry chemical analyzer is suitable for primary hospitals, clinics and families, and is mainly used for household. The instrument uses dry test paper as carrier, and can directly detect the content of related indexes in whole blood, serum and urine. Through the detection of relevant indexes (uric acid, blood sugar, blood fat, glycerate and the like), the disease is monitored, and the diet and medication of patients are guided.
A dry chemical analyzer for clinical chemical examination features that a dry test paper sheet is used as carrier, and the concentration or activity of particular component in specimen is quantitatively measured by reflection photometry or differential potential method. Directly detecting the content of related indexes in whole blood, serum and urine. Through the detection of relevant indexes (uric acid, blood sugar, blood fat, glycerate and the like), the disease is monitored, and the diet and medication of patients are guided.
For example, chinese patent CN201920311642.1 discloses a dry chemical analyzer which can analyze and test blood components by an emission method, but it has a complicated structure and a large size, and is difficult to realize a portable handheld function, and the application convenience in primary hospitals, clinics and homes is limited.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a hand-held dry chemical analyzer for overcoming the above-mentioned shortcomings in the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that: a hand-held dry chemical analyzer comprises a shell and an optical detection module arranged in the shell;
the optical detection module comprises a detection circuit board arranged in the shell, and a detection unit, a display screen and a reagent sheet bracket which are arranged on the detection circuit board;
the reagent piece support is provided with a reagent piece slot for inserting a reagent piece, the detection unit is used for detecting the reagent piece inserted into the reagent piece slot, and the display screen is used for displaying a detection result.
Preferably, the shell comprises a lower shell and an upper shell buckled on the lower shell, and the upper shell is provided with an insert opening for extending the upper end of the reagent sheet support;
the inner periphery of the upper end edge of the lower shell is provided with an annular clamping groove, and the lower end edge of the upper shell is provided with an annular flange which is clamped in the annular clamping groove in a matching manner.
Preferably, the upper surface of the detection circuit board is further provided with a key, and the back surface of the detection circuit board is provided with a battery holder;
the upper shell is further provided with a screen window located above the display screen and a key opening for the keys to extend out, and the screen window is provided with a screen panel.
Preferably, the detection unit comprises a mounting plate fixedly connected to the detection circuit board, and an LED lamp and a detector arranged on the mounting plate, the reagent sheet support is connected to the mounting plate, a detection channel communicating the reagent sheet slot to the LED lamp and the detector is arranged in the reagent sheet support, so that the light energy emitted by the LED lamp irradiates on the reagent sheet in the reagent sheet slot, and the light energy reflected by the reagent sheet reaches the detector.
Preferably, the detection circuit board is further provided with a chip receiving seat, and the shell is provided with a chip opening through which a chip passes to be inserted into the chip receiving seat.
Preferably, the mounting panel and the reagent piece support are provided with two locating grooves on two sides of the first end, and the bottom surface of the upper shell is provided with two locating blocks matched with the two locating grooves.
Preferably, the inner surface of the lower shell is provided with a plurality of lower support columns, the inner surface of the upper shell is provided with a plurality of upper connecting columns which are in fit connection with the lower support columns through connecting screws, threaded holes for the connecting screws to be inserted in a fit manner are formed in the lower support columns and the upper connecting columns, and the detection circuit board is provided with connecting holes for the connecting screws to pass through;
and the outer bottom surface of the lower shell is provided with an operation hole communicated with the threaded hole.
Preferably, the upper end face of the lower support column is provided with an annular positioning groove, and an annular positioning sheet which is used for being inserted into the annular positioning groove in a matched mode is arranged on the detection circuit board and located at the periphery of the connecting hole.
Preferably, the inner surface of the lower casing is formed with a receiving groove for receiving the battery holder through a support partition, the outer bottom surface of the lower casing is provided with a battery opening communicated with the receiving groove, and the battery opening is detachably connected with a battery cover plate.
Preferably, the supporting partition plate is provided with a hasp groove, the outer bottom surface of the lower shell is provided with a locking groove at a position opposite to the hasp groove, and the lower part of the locking groove is provided with a first blocking piece;
a hasp used for being clamped into the hasp groove in a matched mode is arranged at the first end of the battery cover plate, and a locking sheet capable of being fixed in the locking groove is arranged at the second end of the battery cover plate;
the locking piece includes with the type of falling V piece of the second end rigid coupling of battery apron, connect in the terminal second flange of type of falling V piece and connect in the barrier strip in the type of falling V piece outside, barrier strip with the second flange is in the homonymy of type of falling V piece, the locking piece is fixed when the locking inslot, first flange is in between barrier strip and the second flange.
The invention has the beneficial effects that: the handheld dry chemical analyzer is small and compact in structure, can meet the functional requirements of handheld portability, is convenient and quick to detect, is simple and easy to operate, and can be well applied to relevant detection in primary hospitals, clinics, families and other places.
Drawings
FIG. 1 is a schematic diagram of a hand-held dry chemical analyzer according to the present invention;
FIG. 2 is an exploded schematic view of the hand-held dry chemical analyzer of the present invention;
FIG. 3 is a schematic view of the hand-held dry chemical analyzer with the chip shell removed;
FIG. 4 is a schematic structural view of the lower housing of the present invention;
FIG. 5 is a schematic view of the structure of the detecting circuit board of the present invention engaged with the lower housing;
FIG. 6 is a schematic structural view of the upper housing of the present invention;
FIG. 7 is a schematic view of a positioning block according to the present invention;
FIG. 8 is a schematic cross-sectional view of a hand-held dry chemical analyzer of the present invention;
FIG. 9 is a schematic sectional view of a reagent pad holder according to the present invention;
FIG. 10 is a schematic view of a partial cross-sectional structure of the detection circuit board of the present invention;
FIG. 11 is a schematic cross-sectional view of a lower support post of the present invention;
FIG. 12 is a schematic view of the structure of the lower support column, the detection circuit board, and the upper connection column of the present invention;
FIG. 13 is a schematic structural view of a battery cover plate according to the present invention;
FIG. 14 is a schematic view of the bottom surface of the lower housing of the present invention;
fig. 15 is a schematic view showing the structure of the battery cover plate and the lower case according to the present invention.
Description of reference numerals:
1-upper shell; 2-lower shell; 3, detecting the circuit board; 4-a detection unit; 5, displaying screen; 6-reagent tablet support; 7-positioning grooves; 8, a battery cover plate; 9-reagent tablets;
10-opening of the insert; 11-an annular flange; 12-screen window; 13-key openings; 14-a screen panel; 15-chip opening; 16-a positioning block; 17-upper connecting column; 18-chip housing; 19-chip;
20-ring groove; 21-lower support columns; 22-a threaded hole; 23-operation hole; 24-annular positioning groove; 25-supporting the partition plate; 26-accommodating grooves; 27-battery opening; 28-a hasp groove; 29-locking groove; 30-press key; 31-a battery holder; 32-chip receiving seats; 33-connecting hole; 34-annular positioning piece; 40, mounting a plate; 41-LED lamp; 42-a detector; 60 reagent piece slots; 61-detection channel; 80-hasp; 81-locking sheet; 82-inverted V-shaped sheet; 83-a second baffle plate; 84-barrier ribs; 85 — first side of inverted V-shaped sheet; 86-a second side of the inverted V-shaped sheet; 290-a first flap;
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 15, the hand-held dry chemical analyzer of the present embodiment includes a housing and an optical detection module disposed in the housing;
the optical detection module comprises a detection circuit board 3 arranged in the shell, and a detection unit 4, a display screen 5 and a reagent sheet bracket 6 which are arranged on the detection circuit board 3;
the reagent sheet bracket 6 is provided with a reagent sheet slot 60 for inserting a reagent sheet, the detection unit 4 is used for detecting the reagent sheet inserted into the reagent sheet slot 60, and the display screen 5 is used for displaying the detection result.
Wherein, the upper surface of the detection circuit board 3 is also provided with a key 30. The key 30 is used for controlling the hand-held dry chemical analyzer, and in this embodiment, the key 30 is made of a silica gel material and includes a left key and a right key, where the left key has a circle symbol to indicate termination, and the right key has a triangle symbol to indicate confirmation.
The back of the detection circuit board 3 is provided with a battery seat 31; the battery holder 31 is loaded with a battery to supply power to the detection unit 4.
The upper casing 1 is further provided with a screen window 12 located above the display screen 5 and a key opening for extending the keys 30, and the screen window 12 is provided with a screen panel 14 (transparent panel). The detection result of the detection unit 4 is displayed through the display screen 5.
The detection unit 4 comprises a mounting plate 40 fixedly connected to the detection circuit board 3, and an LED lamp 41 and a detector 42 arranged on the mounting plate 40, the reagent sheet support 6 is connected to the mounting plate 40, a detection channel 61 communicating the reagent sheet slot 60 to the LED lamp 41 and the detector 42 is arranged in the reagent sheet support 6, so that the light energy emitted by the LED lamp 41 irradiates on the reagent sheet 9 in the reagent sheet slot 60, and the light energy reflected by the reagent sheet reaches the detector 42. Referring to fig. 9, after the reagent sheet 9 is inserted into the reagent sheet slot 60, light emitted by the LED lamp 41 is irradiated onto the reagent sheet 9 through the detection channel 61, light reflected by the reagent sheet 9 reaches the detector 42 through the detection channel 61, and the detector 42 receives a light signal to obtain a detection result. Chemical analysis by reflection is a well-established technique (for example, chinese patent CN201910590052.1), and will not be described in more detail in the present invention.
The detector 42 is a conventional photodetector 42 (for example, a photodetector with model number VEMD1060X01, an LED with model number LS M67F-S2U2-1 is selected in this embodiment) for detecting the light reflected by the reagent sheet 9. It should be understood that the method of detecting the reflected light by the detector 42 in the detection unit 4 for chemical analysis is well-known in the art, and the principle of the method is not described in the present invention.
The detection circuit board 3 is also provided with a chip receiving seat 32, and the shell is provided with a chip opening 15 through which the chip 19 passes to be inserted into the chip receiving seat 32. In a further preferred embodiment, the hand-held dry chemical analyzer further comprises a chip housing 18 for holding the chip 19, and the outer end of the chip 19 is inserted into the chip housing 18, and then the chip housing 18 is held by hand, and the inner end of the chip 19 is inserted into the chip receiving seat 32 through the chip opening 15. The interposer chip 19 is used for initial calibration of the hand-held dry chemistry analyzer; the chip 19 is used in cooperation with the reagent sheet 9, and the batch information of the reagent sheet 9 is stored in the chip 19 (this is the conventional use specification of the dry chemical analyzer, and is not described in excess in the present invention, for example, a chip with a model number of 25AA020A can be selected in one embodiment). It should be understood that, in the present invention, the detection circuit board 3 serves as a carrier of the structures such as the detection unit 4, the display screen 5, the key 30, and the chip receiving base 32, and provides a signal transmission function between the structures, specifically: the detection result of the detector 42 and the information received by the chip receiving base 32 can be transmitted to the display screen 5, and the signal of the key 30 can be transmitted to the LED lamp 41 and the detector 42. The detection circuit board 3 of the present invention can be obtained by the existing mature technology or by selecting a proper product from conventional products to realize the functions required by the present invention, and the present invention is not focused on the detection circuit board 3.
The shell is used as a carrier for assembling all units, in a preferred embodiment, the shell comprises a lower shell 2 and an upper shell 1 buckled on the lower shell 2, and an insert opening 10 for extending the upper end of the reagent sheet bracket 6 is formed in the upper shell 1;
an annular clamping groove 20 is formed in the inner periphery of the upper end edge of the lower shell 2, and an annular flange 11 which is clamped in the annular clamping groove 20 in a matched mode is arranged on the lower end edge of the upper shell 1. The annular flange 11 is clamped into the annular clamping groove 20, so that the upper shell 1 can be conveniently buckled on the lower shell 2.
Wherein, two positioning grooves 7 are arranged at two sides of the first ends of the mounting plate 40 and the reagent sheet support 6, and two positioning blocks 16 matched with the two positioning grooves 7 are arranged at the bottom surface of the upper shell 1. When the upper shell 1 is buckled on the lower shell 2, the two positioning blocks 16 are matched and clamped in the two positioning grooves 7, then the upper shell 1 can be quickly and accurately buckled on the lower shell 2, and the positioning blocks 16 and the positioning grooves 7 are matched to realize the quick positioning of the upper shell 1 on the lower shell 2.
Further, the inner surface of the lower shell 2 is provided with a plurality of lower support columns 21, the inner surface of the upper shell 1 is provided with a plurality of upper connecting columns 17 which are connected with the lower support columns 21 in a matching manner through connecting screws, threaded holes 22 for the connecting screws to be inserted in a matching manner are formed in the lower support columns 21 and the upper connecting columns 17, and the detection circuit board 3 is provided with connecting holes 33 for the connecting screws to pass through;
the outer bottom surface of the lower case 2 is opened with an operation hole 23 communicating with the screw hole 22.
Furthermore, the upper end surface of the lower support column 21 is provided with an annular positioning groove 24, and an annular positioning piece 34 for being inserted into the annular positioning groove 24 in a matching manner is arranged at the position of the periphery of the connecting hole 33 on the detection circuit board 3. The position and number of the annular spacers 34 match the lower support columns 21. When the detection circuit board 3 is installed in the lower shell 2, the annular positioning piece 34 at the bottom of the detection circuit board 3 is inserted into the annular positioning groove 24 on the lower support column 21 to realize quick positioning, and the connecting hole 33 and the threaded hole 22 are communicated with each other at the moment.
When the hand-held dry chemical analyzer is assembled, the detection unit 4, the display screen 5, the battery holder 31 and the keys 30 are firstly assembled on the detection circuit board 3, and then the annular positioning sheet 34 at the bottom of the detection circuit board 3 is aligned with and inserted into the annular positioning groove 24 on the lower support column 21, so that the positioning of the detection circuit board 3 on the lower shell 2 is completed; then, the positioning blocks 16 at the bottom of the upper shell 1 are matched and clamped into the two positioning grooves 7 at two sides of the reagent sheet support 6 on the detection circuit board 3, so that the upper shell 1 is quickly positioned, and the annular flange 11 is clamped into the annular clamping groove 20, as shown in fig. 12; finally, a connecting screw (not shown in the figure) is inserted into the threaded hole 22 of the lower support column 21 from the operation hole 23, passes through the connecting hole 33 and then is inserted into the threaded hole 22 of the upper connecting column 17, and the connecting screw is screwed to complete the assembly. Through setting up detection circuitry board 3, go up casing 1 and casing 2's positioning mechanism down, can conveniently realize fast assembly, and guarantee firm in connection.
The internal surface of lower casing 2 is formed with holding tank 26 that is used for holding battery seat 31 through supporting baffle 25, and the battery opening 27 that link up with holding tank 26 is seted up to the outer bottom surface of lower casing 2, detachably connects with battery apron 8 on battery opening 27. The battery taking and placing operation is performed on the accommodating groove 26 through the battery opening 27, and then the battery opening 27 is covered by the battery cover plate 8.
In a preferred embodiment, the supporting partition 25 is provided with a buckle slot 28, the outer bottom surface of the lower casing 2 is provided with a locking slot 29 at a position opposite to the buckle slot 28, and the lower part of the locking slot 29 is provided with a first stopping piece 290;
a hasp 80 which is matched and clamped in the hasp groove 28 is arranged at the first end of the battery cover plate 8, and a locking sheet 81 which can be fixed in the locking groove 29 is arranged at the second end of the battery cover plate 8;
the locking sheet 81 comprises an inverted V-shaped sheet 82 fixedly connected with the second end of the battery cover plate 8, a second blocking sheet 83 connected to the tail end of the inverted V-shaped sheet 82, and a blocking strip 84 connected to the outer side of the inverted V-shaped sheet 82, the blocking strip 84 and the second blocking sheet 83 are both located on the first side 85 of the inverted V-shaped sheet, and when the locking sheet 81 is fixed in the locking groove 29, the first blocking sheet 290 is located between the blocking strip 84 and the second blocking sheet 83. The stop strip 84 is provided with a sloped guide surface to facilitate the sliding of the stop strip 84 past the first stop 290 when the locking tab 81 is pressed into the locking slot 29. The inverted V-shaped piece has a certain elasticity between the first side 85 and the second side, allowing a certain range of contraction and expansion.
When the battery cover plate 8 is installed in the battery opening 27, the hasp 80 is firstly inserted into the hasp groove 28, and then the locking sheet 81 is pressed into the locking groove 29, in the process: the inclined surface of the first side 85 of the inverted-V-shaped sheet is in contact with the first blocking sheet 290, under the action of pressure, the first side 85 and the second side of the inverted-V-shaped sheet contract towards the middle, the blocking strip 84 slides from bottom to top over the first blocking sheet 290 to reach the upper part of the first blocking sheet 290, the second blocking sheet 83 is in contact with the bottom surface of the first blocking sheet 290, so that the first blocking sheet 290 is positioned between the blocking strip 84 and the second blocking sheet 83, and the locking sheet 81 is fixed in the locking groove 29 to realize the fixation of the battery cover plate 8, refer to fig. 15;
when the battery cover plate 8 is taken down, the second side 86 of the inverted V-shaped piece is extruded towards the left side, the first side 85 of the inverted V-shaped piece moves towards the left, the blocking strip 84 moves towards the left and deviates from the upper part of the first blocking piece 290, and when the battery cover plate 8 is loosened, the locking piece 81 is separated from the locking groove 29, so that the battery cover plate 8 is taken down. This simple structure, battery apron 8 easy dismounting.
The use steps of the hand-held dry chemical analyzer are as follows:
1. loading the chip 19 into the chip housing 18, and then inserting the chip 19 into the chip receiving seat 32 for calibration;
2. inserting the reagent sheet into the reagent sheet slot 60 of the reagent sheet bracket 6, dripping the sample on the reagent sheet, and pressing the button to perform optical detection;
3. after waiting for several minutes, the test result is displayed on the display screen 5.
While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications may readily be effected by those skilled in the art, so that the invention is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.
Claims (10)
1. A hand-held dry chemical analyzer is characterized by comprising a shell and an optical detection module arranged in the shell;
the optical detection module comprises a detection circuit board arranged in the shell, and a detection unit, a display screen and a reagent sheet bracket which are arranged on the detection circuit board;
the reagent piece support is provided with a reagent piece slot for inserting a reagent piece, the detection unit is used for detecting the reagent piece inserted into the reagent piece slot, and the display screen is used for displaying a detection result.
2. The hand-held dry chemical analyzer as claimed in claim 1, wherein the housing comprises a lower housing and an upper housing fastened to the lower housing, the upper housing being provided with an opening for inserting the upper end of the reagent sheet holder;
the inner periphery of the upper end edge of the lower shell is provided with an annular clamping groove, and the lower end edge of the upper shell is provided with an annular flange which is clamped in the annular clamping groove in a matching manner.
3. The hand-held dry chemical analyzer as claimed in claim 2, wherein the upper surface of the detection circuit board is further provided with a key, and the back surface of the detection circuit board is provided with a battery holder;
the upper shell is further provided with a screen window located above the display screen and a key opening for the keys to extend out, and the screen window is provided with a screen panel.
4. The hand-held dry chemical analyzer as claimed in claim 3, wherein the detecting unit comprises a mounting plate fixedly connected to the detecting circuit board, and an LED lamp and a detector arranged on the mounting plate, the reagent plate holder is connected to the mounting plate, and a detecting channel is arranged in the reagent plate holder and connects the reagent plate slot to the LED lamp and the detector, so that the light energy emitted by the LED lamp irradiates the reagent plate in the reagent plate slot, and the light energy reflected by the reagent plate reaches the detector.
5. The hand-held dry chemical analyzer as claimed in claim 4, wherein the detection circuit board is further provided with a chip receiving seat, and the housing is provided with a chip opening for a chip to pass through for inserting into the chip receiving seat.
6. The hand-held dry chemical analyzer of claim 4, wherein the mounting plate and the reagent pad holder are provided with two positioning grooves at two sides of the first end, and the bottom surface of the upper housing is provided with two positioning blocks engaged with the two positioning grooves.
7. The hand-held dry chemical analyzer as claimed in claim 2, wherein the inner surface of the lower housing is provided with a plurality of lower support columns, the inner surface of the upper housing is provided with a plurality of upper connection columns which are connected with the lower support columns in a matching manner through connection screws, threaded holes for the connection screws to be inserted in a matching manner are formed in the lower support columns and the upper connection columns, and the detection circuit board is provided with connection holes for the connection screws to pass through;
and the outer bottom surface of the lower shell is provided with an operation hole communicated with the threaded hole.
8. The hand-held dry chemical analyzer as claimed in claim 7, wherein the lower support column has an annular positioning groove formed on an upper end surface thereof, and the detection circuit board has an annular positioning piece disposed at a position around the connection hole for fitting into the annular positioning groove.
9. The hand-held dry chemical analyzer as claimed in claim 3, wherein a receiving groove for receiving the battery holder is formed in an inner surface of the lower case through a support spacer, a battery opening penetrating the receiving groove is opened in an outer bottom surface of the lower case, and a battery cover is detachably connected to the battery opening.
10. The hand-held dry chemical analyzer as claimed in claim 9, wherein the supporting partition plate is provided with a snap groove, the outer bottom surface of the lower housing is provided with a locking groove at a position opposite to the snap groove, and a first blocking piece is provided at a lower portion of the locking groove;
a hasp used for being clamped into the hasp groove in a matched mode is arranged at the first end of the battery cover plate, and a locking sheet capable of being fixed in the locking groove is arranged at the second end of the battery cover plate;
the locking piece includes with the type of falling V piece of the second end rigid coupling of battery apron, connect in the terminal second flange of type of falling V piece and connect in the barrier strip in the type of falling V piece outside, barrier strip with the second flange is in the homonymy of type of falling V piece, the locking piece is fixed when the locking inslot, first flange is in between barrier strip and the second flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010201879.1A CN111380867A (en) | 2020-03-20 | 2020-03-20 | Hand-held dry chemical analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010201879.1A CN111380867A (en) | 2020-03-20 | 2020-03-20 | Hand-held dry chemical analyzer |
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| Publication Number | Publication Date |
|---|---|
| CN111380867A true CN111380867A (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010201879.1A Pending CN111380867A (en) | 2020-03-20 | 2020-03-20 | Hand-held dry chemical analyzer |
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|---|---|
| CN (1) | CN111380867A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189339A (en) * | 2021-04-13 | 2021-07-30 | 河南威世德医疗设备有限公司 | Blood glucose detector matched with mobile terminal, blood glucose detection equipment, use method of blood glucose detection equipment and blood glucose detection method |
| US20210387183A1 (en) * | 2019-03-01 | 2021-12-16 | Lansion Biotechnology Co., Ltd | Detection system of multi-index coagulation items |
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| US11872555B2 (en) * | 2019-03-01 | 2024-01-16 | Lansion Biotechnology Co., Ltd | Detection system of multi-index coagulation items |
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