CN104919316A - Detecting apparatus based on test paper - Google Patents

Detecting apparatus based on test paper Download PDF

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Publication number
CN104919316A
CN104919316A CN201380055984.7A CN201380055984A CN104919316A CN 104919316 A CN104919316 A CN 104919316A CN 201380055984 A CN201380055984 A CN 201380055984A CN 104919316 A CN104919316 A CN 104919316A
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CN
China
Prior art keywords
test
test core
core
detector ontology
protective cover
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CN201380055984.7A
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Chinese (zh)
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CN104919316B (en
Inventor
曲巍
朱丹军
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天津天合众生医疗科技有限公司
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Priority to PCT/CN2013/074510 priority Critical patent/WO2014172831A1/en
Publication of CN104919316A publication Critical patent/CN104919316A/en
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Publication of CN104919316B publication Critical patent/CN104919316B/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483Physical analysis of biological material
    • G01N33/487Physical analysis of biological material of liquid biological material
    • G01N33/48707Physical analysis of biological material of liquid biological material by electrical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5023Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures with a sample being transported to, and subsequently stored in an absorbent for analysis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/06Fluid handling related problems
    • B01L2200/0689Sealing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/14Process control and prevention of errors
    • B01L2200/141Preventing contamination, tampering

Abstract

A detecting apparatus based on test paper comprises a test core (210) for bearing the test paper, and a detector body (220) provided with a hollow chamber for bearing the test core (210). A first position of the test core (210) is provided with a seal ring (211) for sealing a gap where a test core insertion port of the detector body (220) is located when the test core (210) is inserted in the detector body (220). A first position is a position opposite to a test core insertion port after the test core (210) is inserted into the detector body (220). During the detection, when liquid falling down a case of the test core (210) flows along the case of the test core (210), because the blocking of the seal ring (211), the liquid cannot flow into the interior of the detector body (220) through the gap where a test core insertion port of the detector body (220) is located, so that the interior of the detector body (220) can be effectively prevented from being polluted by liquid during the detection.

Description

Detection device based on test paper

Technical field

The present invention relates to technical field of liquid detection, more particularly to a kind of detection device based on test paper.

Background technique

In saying normal work and life, it usually needs a certain substance whether there is or whether reach a certain concentration in detection liquid, and then perform corresponding processing according to testing result.Such as: the water quality or contaminated degree at the water source are determined by the concentration of certain monoamino-acid in detection water source, determine whether the affiliated person of the urine is pregnant alternatively, whether there is by human chorionic gonadotrophin (cylinder claims HCG) in detection urine.

In the prior art, for detecting, measured matter in liquid whether there is or the digital test pen of concentration typically at least includes: the detector ontology for carrying the test core of test paper and being provided with the cavity of bearing test core;Wherein, test the test window being provided on the shell of core for showing test paper test section, decision circuitry color according to test paper test section in test window in detector ontology obtains testing result, to give the display to user as the result is shown by the display window on the shell of detector ontology, the detection of liquid is realized with this.

But, after test core is inserted into detector ontology, on test paper due to needing to pour liquid test core, it tests and is possible to also be spooned liquid on the shell of core, at this point, the liquid on the shell of test core may be along test core housing flowing, and then pass through the inside of detector ontology tested the gap that core is inserted at port and flow into detector ontology, this will undoubtedly pollute the inside of detector ontology, and the inside of detector ontology will affect its service life by liquid pollution. Summary of the invention

In order to solve the above technical problems, being polluted to avoid the inside of detector ontology in detection process by liquid, technical solution is as follows the embodiment of the invention provides a kind of detection device based on test paper:

A kind of detection device based on test paper, comprising: carry the test core of test paper, be provided with the detector ontology for carrying the cavity of the test core;The sealing ring in the gap at the test core insertion port for sealing the detector ontology after the test core is inserted into the detector ontology is provided at first position on the shell of the test core;

Wherein, the first position is the position that the test core is inserted into after the detector ontology that be inserted into port with the test core opposite.

Wherein, the sealing ring is bonded at the first position of the shell of the test core.

Wherein, setting is fluted at the first position of the shell of the test core, correspondingly, the sealing ring is fixed in the slot.

Wherein, the second place of the test core, which is provided with, accommodates at least part of protective cover of detector ontology after the test core is inserted into the detector ontology;

Wherein, the second position is the position between the first position and the test paper insertion port of the test core.

Wherein, it is provided at the test core insertion port of the detector ontology and accommodates at least part of protective cover of detector ontology.

Wherein, the first end of the protective cover is bonded in the second place of the shell of the test core, and the second end of the protective cover is in active state.

Wherein, the second place of the shell of the test core is removably arranged in the first end of the protective cover, and the second end of the protective cover is in active state. Wherein, the first end of the protective cover is bonded at the test core insertion port of the detector ontology, and the second end of the protective cover is in active state.

Wherein, the first end of the protective cover is removably arranged at the test core insertion port of the detector ontology, and the second end of the protective cover is in active state.

Wherein, the cross-sectional area of the second end of the protective cover is greater than the cross-sectional area of the first end.In detection device based on test paper provided by the embodiment of the present invention, the sealing ring in the gap at the test core insertion port for being provided at the first position on the shell of core and sealing the detector ontology after the test core is inserted into detector ontology is tested;Therefore, in the detection process, when the liquid on the shell for pouring test core is flowed along the shell of test core, under the barrier of sealing ring, the gap that liquid will be unable to be inserted at port by the test core of detector ontology flows into the inside of detector ontology, so as to effectively avoid the problem that the inside of detector ontology in detection process is polluted by liquid.Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, it will make the introduction of cylinder list to drawings that need to be used in the embodiment or the prior art description below, apparently, drawings in the following description are only some embodiments of the invention, for those of ordinary skill in the art, without any creative labor, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of the first structural schematic diagram of the detection device based on test paper provided by the present invention;Fig. 2 is a kind of second of structural schematic diagram of the detection device based on test paper provided by the present invention;Fig. 3 is a kind of the third structural schematic diagram of the detection device based on test paper provided by the present invention;Fig. 4 is a kind of 4th kind of structural schematic diagram of the detection device based on test paper provided by the present invention;Fig. 5 is a kind of 5th kind of structural schematic diagram of the detection device based on test paper provided by the present invention; Fig. 6 is a kind of 6th kind of structural schematic diagram of the detection device based on test paper provided by the present invention;Fig. 7 is a kind of 7th kind of structural schematic diagram of the detection device based on test paper provided by the present invention.Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical scheme in the embodiment of the invention is clearly and completely described, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, shall fall within the protection scope of the present invention.

In the prior art, after test core is inserted into detector ontology, on test paper due to needing to pour liquid test core, it tests and is possible to also be spooned liquid on the shell of core, at this time, the liquid tested on the shell of core may be along test core housing flowing, and then the inside of detector ontology is flowed by the gap that the test core of detector ontology is inserted at port, this will undoubtedly pollute the inside of detector ontology, and the inside of detector ontology will affect its service life by liquid pollution.

In order to avoid the inside of detector ontology in detection process is polluted by liquid, the present invention provides a kind of detection devices based on test paper.

As shown in Figure 1, a kind of detection device based on test paper, may include:

It carries the test core 110 of test paper 100, be provided with the detector ontology 120 for carrying the cavity of the test core 110;

Wherein, the sealing ring 111 in the gap at the test core insertion port for sealing the detector ontology 120 after the test core 110 is inserted into the detector ontology 120 is provided at the first position on the shell of the test core 110;

Wherein, which is that the test core 110 is inserted into after the detector ontology 120 and the test core It is inserted into the opposite position in port.

It should be noted that the sealing ring 111 can directly be packed into the test core 110 and then is fixed, so that production operation process more cylinder list;And since the shape of test core in the prior art is adapted with the shape of detector ontology, therefore, in order to guarantee good leakproofness, the shape of the sealing ring 111 is adapted with the shape of the test core 110, so that the sealing ring 111 can pass through the test core 110 and be fixed at first position.Wherein, since the first position is the position that the test core 110 is inserted into after the detector ontology 120 that be inserted into port with the test core opposite, therefore, the sealing ring 111 for being set to the first position can seal the test core after the test core 110 is inserted into the detector ontology 120 and be inserted into the gap at port.

It should be noted that in practical applications, at the first position for the shell which can be bonded in the test core 110;Or, it is arranged at the first position of the shell of the test core 110 fluted, accordingly, the sealing ring 111 is fixed in the groove, certainly, after the sealing ring 111 is fixed in the groove, should protrude for the shell of the test core 110 being capable of sealing off gap with guarantee.It will be appreciated by persons skilled in the art that above-mentioned fixed form is merely exemplary, the restriction to the present invention program should not be constituted.

Wherein, material selected by the sealing ring 111 can be with are as follows: rubber or engineering plastics are not limited thereto certainly.For example, the material that the material of the sealing ring 111 can also can prevent liquid from flowing for other.

It will be understood by those skilled in the art that, in the detection device based on test paper, the first locking element for being also provided on the shell of the test core 110 in the test window 112 for showing test paper test section and the cavity for being fixed in the detector ontology 120 (Fig. 1 is not shown);And the detector ontology 120 can also include: that the color according to test paper test section in test window 112 obtains the decision circuitry (Fig. 1 is not shown) of testing result, the display window 121 for showing the testing result, is arranged in cavity Second locking element compatible with first locking element, the releasing member 122 for discharging the test core 110 being fixed in the cavity of setting on the shell on inner wall etc..

In detection device based on test paper provided by the embodiment of the present invention, the sealing ring in the gap at the test core insertion port for being provided at the first position on the shell of core and sealing the detector ontology after the test core is inserted into detector ontology is tested;Therefore, in the detection process, when the liquid on the shell for pouring test core is flowed along the shell of test core, under the barrier of sealing ring, the gap that liquid will be unable to be inserted at port by the test core of detector ontology flows into the inside of detector ontology, so as to effectively avoid the problem that the inside of detector ontology in detection process is polluted by liquid.Due to after test core is inserted into detector ontology, it usually needs liquid is poured on the test paper in test core, and liquid is possible on the shell that can splash detector ontology, is polluted at this point, also leading to detector ontology by liquid.Therefore, further, to solve the above-mentioned problems, the embodiment of the present invention also provides a kind of detection device based on test paper.

As shown in Fig. 2, a kind of detection device based on test paper, may include:

The test core 210 of 7 load test paper 200, be provided with the 7 loads test cores 210 cavity detector ontology 220;

Wherein, the sealing ring 211 in the gap at the test core insertion port for sealing the detector ontology 220 after the test core 210 is inserted into the detector ontology 220 is provided at the first position on the shell of the test core 210;The second place of the test core 210, which is provided with after the test core 210 is inserted into the detector ontology 220, accommodates at least part of protective cover 212 of detector ontology 220;

Wherein, which is the position that the test core 210 is inserted into after the detector ontology 220 that be inserted into port with the test core opposite;The second position is the test paper insertion end of the first position and the test core 210 A position between mouthful.

It should be noted that the sealing ring 211 can directly be packed into test core 210 and then is fixed, so that production operation process more cylinder list;And since the shape of test core in the prior art is adapted with the shape of detector ontology, therefore, in order to guarantee good leakproofness, the shape of the sealing ring 211 is adapted with the shape of the test core 210, is smoothly crossed the test core 210 so that the sealing ring 211 can be worn and is fixed at first position.

Wherein, since the first position is the position that the test core 210 is inserted into after the detector ontology 220 that be inserted into port with the test core opposite, therefore, the sealing ring 211 for being set to the first position can seal the test core after the test core 210 is inserted into the detector ontology 220 and be inserted into the gap at port.And since the second position is the position between the first position and the test paper insertion port of the test core 210, the protective cover 212 for being set to the second place will not influence test core 210 and be inserted into the cavity of the detector ontology 220.Wherein, it should be noted that the protective cover 212 can also be arranged on the first position at the test paper insertion port of the test core 210 or where the sealing ring 211;Meanwhile under the premise of guaranteeing that the protective cover 212 can accommodate detector 220 at least part of ontology, the shape of the protective cover 212 is not limited to funnel-form shown in Fig. 2, can also be tubbiness etc..

It should be noted that in practical applications, at the first position for the shell which can be bonded in the test core 210;Alternatively, setting is fluted at the first position of the shell of the test core 210, accordingly, the sealing ring 211 is fixed in the groove, certainly, after which is fixed in the groove, should protrude for the shell of the test core 210 being capable of sealing off gap with guarantee.Likewise, the first end of the protective cover 212 can be bonded in the second place of the shell of the test core 210, and the second end of the protective cover 212 is in active state;Alternatively, the second place of the shell of the test core 210 is removably arranged in the first end of the protective cover 212, and the second end of the protective cover 212 is in activity State;Wherein, the second end of the protective cover 212, which is in active state, refers specifically to: the second end of the protective cover 212 is not fixed in any element.It will be appreciated by persons skilled in the art that above-mentioned fixed form is merely exemplary, the restriction to the present invention program should not be constituted.

Further; after liquid is poured on test paper; when by that should be placed on the plummers such as laboratory table based on the detection device of test paper to wait testing result; liquid drips on plummer in order to prevent; the cross-sectional area of the second end of the protective cover 212 can be greater than the cross-sectional area of the first end; so that the protective cover 212 can be reversed, to accommodate the test core 210.Such as: protective cover 212 shown in Fig. 2 is funnel-form, and after the test core 210 is inserted into the detector ontology 220, which can accommodate a part of the detector ontology 220, as shown in Figure 3;And when by that should be placed on the plummers such as laboratory table based on the detection device of test paper to wait testing result; liquid drips on plummer in order to prevent; as shown in Fig. 4, which can be reversed to accommodate the test core 210, to prevent liquid from dripping on plummer.

Wherein, material selected by the sealing ring 111 can be with are as follows: rubber or engineering plastics are not limited thereto certainly.For example, the material that the material of the sealing ring 111 can also can prevent liquid from flowing for other.Correspondingly, the material of the protective cover 212 can choose: rubber, engineering plastics or polyethylene material are not limited thereto certainly.It can be understood that; the protective cover 212 can choose the material with certain pliability; so that when the test core 210 leaves unused; the protective cover 212 can be packed up; to avoid occupied space, and when in use, which is unfolded; meanwhile it ensure that the protective cover 212 is easy to be reversed.

It will be understood by those skilled in the art that, in the detection device based on test paper, the first locking element for being also provided on the shell of the test core 210 in the test window 213 for showing test paper test section and the cavity for being fixed in the detector ontology 220 (Fig. 2 is not shown);And the detector Ontology 220 can also include: that the color according to test paper test section in test window 213 obtains the decision circuitry (Fig. 2 is not shown) of testing result, the display window 221 for showing the testing result, the second locking element compatible with first locking element being arranged on cavity inner wall, the releasing member 222 for discharging the test core 210 being fixed in the cavity of setting on the shell etc..

By utilizing the detection device provided by the present invention based on test paper, in the detection process, when the liquid on the shell for pouring test core is flowed along the shell of test core, under the barrier of sealing ring, the gap that liquid will be unable to be inserted at port by the test core of detector ontology flows into the inside of detector ontology, so as to effectively avoid the problem that the inside of detector ontology in detection process is polluted by liquid;Also, it by protection of the protective cover to detector ontology, can be splashed on detector ontology to avoid liquid when pouring liquid on the test paper tested in core.As it can be seen that by utilizing this programme, it is possible to prevente effectively to the inside of detector ontology and external pollution problem in liquid sensing process.In order to effectively avoid to the inside of detector ontology and external pollution problem in liquid sensing process, the present invention also provides a kind of detection devices based on test paper.

As shown in figure 5, a kind of detection device based on test paper, may include:

It carries the test core 310 of test paper 300, be provided with the detector ontology 320 for carrying the cavity of the test core 310;

Wherein, the sealing ring 311 in the gap at the test core insertion port for sealing the detector ontology 320 after the test core 310 is inserted into the detector ontology 320 is provided at the first position on the shell of the test core 310;It is provided at the test core insertion port of the detector ontology 320 and accommodates at least part of protective cover 321 of detector ontology 320.

Wherein, which is that the test core 310 is inserted into after the detector ontology 320 and the test core It is inserted into the opposite position in port.

It should be noted that the sealing ring 311 can directly be packed into test core 310 and then is fixed, so that production operation process more cylinder list;And since the shape of test core in the prior art is adapted with the shape of detector ontology, therefore, in order to guarantee good leakproofness, the shape of the sealing ring 311 is adapted with the shape of the test core 310, so that the sealing ring 311 can pass through the test core 310 and be fixed at first position.

Wherein, since the first position is the position that the test core 310 is inserted into after the detector ontology 320 that be inserted into port with the test core opposite, therefore, the sealing ring 311 for being set to first position can seal the test core after the test core 310 is inserted into the detector ontology 320 and be inserted into the gap at port.Simultaneously, it should be noted that under the premise of guaranteeing that the protective cover 321 can accommodate detector 320 at least part of ontology, the shape of the protective cover 321 is not limited to funnel-form shown in fig. 5, can also be tubbiness etc..

It should be noted that in practical applications, at the first position for the shell which can be bonded in the test core 310;Or, setting is fluted at the first position of the shell of the test core 310, correspondingly, the sealing ring 311 is fixed in the groove certainly, after the sealing ring 311 is fixed in the groove, should protrude for the shell of the test core 310 being capable of sealing off gap with guarantee.Likewise, the first end of the protective cover 321 can be bonded at the test core insertion port of the detector ontology 320, and the second end of the protective cover 321 is in active state;Alternatively, the first end of the protective cover 321 is removably arranged at the test core insertion port of the detector ontology 320, and the second end of the protective cover 321 is in active state;Wherein, the second end of the protective cover 321, which is in active state, refers specifically to: the second end of the protective cover 321 is not fixed in any element.It will be appreciated by persons skilled in the art that above-mentioned fixed form is merely exemplary, the restriction to the present invention program should not be constituted.

Further, it after liquid is poured on test paper, is placed into the detection device based on test paper will be somebody's turn to do Come when waiting testing result, liquid is dripped on plummer in order to prevent on the plummers such as laboratory table, the protective cover

The cross-sectional area of 321 second end can be greater than the cross-sectional area of the first end, so that the protective cover 321 can be reversed, to accommodate the test core 310.Such as: protective cover 321 shown in fig. 5 is funnel-form, and after the test core 310 is inserted into detector ontology 320, which can accommodate a part of the detector ontology 320, as shown in Figure 6;And when by that should be placed on the plummers such as laboratory table based on the detection device of test paper to wait testing result; liquid drips on plummer in order to prevent; as shown in fig. 7, the protective cover 321 can be reversed to accommodate the test core 310, to prevent liquid from dripping on plummer.

Wherein, material selected by the sealing ring 311 can be with are as follows: rubber or engineering plastics are not limited thereto certainly.For example, the material that the material of the sealing ring 311 can also can prevent liquid from flowing for other.Correspondingly, the material of the protective cover 321 can choose: rubber, engineering plastics or polyethylene material are not limited thereto certainly.It can be understood that; the protective cover 321 can choose the material with certain pliability; so that when detector ontology 320 leaves unused; the protective cover 321 can be packed up; to avoid occupied space, and when in use, which is unfolded; meanwhile it ensure that the protective cover 321 is easy to be reversed.

It will be understood by those skilled in the art that, in the detection device based on test paper, the first locking element for being also provided on the shell of the test core 310 in the test window 312 for showing test paper test section and the cavity for being fixed in the detector ontology 320 (Fig. 5 is not shown);And the detector ontology 320 can also include: the releasing member 323 etc. that the color according to test paper test section in the test window 312 show that the decision circuitry (Fig. 5 is not shown) of testing result, the display window 322 for showing the testing result, the second locking element compatible with first locking element being arranged on cavity inner wall, the test core for that will be fixed in the cavity of setting on the shell discharge.

By utilizing the detection device provided by the present invention based on test paper, in the detection process, surveyed when pouring When trying the liquid on the shell of core along the shell flowing for testing core, under the barrier of sealing ring, the gap that liquid will be unable to be inserted at port by the test core of detector ontology flows into the inside of detector ontology, so as to effectively avoid the problem that the inside of detector ontology in detection process is polluted by liquid;Also, it by protection of the protective cover to detector ontology, can be splashed on detector ontology to avoid liquid when pouring liquid on the test paper tested in core.As it can be seen that by utilizing this programme, it is possible to prevente effectively to the inside of detector ontology and external pollution problem in liquid sensing process.The above is only a specific embodiment of the invention; it should be pointed out that for those skilled in the art, without departing from the principle of the present invention; several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.

Claims (1)

  1. Claim
    1, a kind of detection device based on test paper, comprising: carry the test core of test paper, be provided with the detector ontology for carrying the cavity of the test core;It is characterized in that,
    The sealing ring in the gap at the test core insertion port for sealing the detector ontology after the test core is inserted into the detector ontology is provided at first position on the shell of the test core;
    Wherein, the first position is the position that the test core is inserted into after the detector ontology that be inserted into port with the test core opposite.
    2, the detection device according to claim 1 based on test paper, which is characterized in that the sealing ring is bonded at the first position of the shell of the test core.
    3, the detection device according to claim 1 based on test paper, which is characterized in that setting is fluted at the first position of the shell of the test core, correspondingly, the sealing ring is fixed in the groove.
    4, the detection device according to claim 1 based on test paper, which is characterized in that the second place of the test core, which is provided with, accommodates at least part of protective cover of detector ontology after the test core is inserted into the detector ontology;
    Wherein, the second position is the position between the first position and the test paper insertion port of the test core.
    5, the detection device according to claim 1 based on test paper, which is characterized in that be provided at the test core insertion port of the detector ontology and accommodate at least part of protective cover of detector ontology.
    6, the detection device according to claim 4 based on test paper, which is characterized in that the first end of the protective cover is bonded in the second place of the shell of the test core, and the second end of the protective cover is in active state.
    7, the detection device according to claim 4 based on test paper, which is characterized in that the protection The second place of the shell of the test core is removably arranged in the first end of cover, and the second end of the protective cover is in active state.
    8, the detection device according to claim 5 based on test paper, which is characterized in that the first end of the protective cover is bonded at the test core insertion port of the detector ontology, and the second end of the protective cover is in active state.
    9, the detection device according to claim 5 based on test paper, which is characterized in that the first end of the protective cover is removably arranged at the test core insertion port of the detector ontology, and the second end of the protective cover is in active state.
    10, the detection device based on test paper according to claim 6-9 any one, which is characterized in that the cross-sectional area of the second end of the protective cover is greater than the cross-sectional area of the first end.
CN201380055984.7A 2013-04-22 2013-04-22 Detection means based on test paper CN104919316B (en)

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