Summary of the invention
Based on this, be necessary to provide a kind of maintenance, change the optical system of Biochemical Analyzer easily.
Be necessary simultaneously to provide a kind of maintenance, change Biochemical Analyzer easily.
A kind of optical system of Biochemical Analyzer, comprise: corresponding illuminator subsystem, colorimetric pool subsystem, the filter wheel subsystem that arranges successively, described illuminator subsystem comprises: lamp socket, be arranged on illuminator in described lamp socket, and assemble the radiative convex lens of described illuminator, described illuminator is arranged in described lamp socket by the bulb fixed block, is provided with on described lamp socket with described bulb fixed block to be equipped with and to make this bulb fixed block to move described illuminator to be carried out the mounting groove of position adjustments along it.
In a preferred embodiment, described bulb fixed block comprises: the fixed part that is fixedly connected with described lamp socket, the bulb installation portion that is connected and installs described illuminator with described fixed part.
In a preferred embodiment, described mounting groove comprises: with the stopper slot of described fixed part relative set, and and described bulb installation portion relative set and make this bulb installation portion move to regulate the mounting hole of illuminator position along it.
In a preferred embodiment, described bulb fixed block is set to turn the shape structure; Described mounting groove is by the displacement of the spacing described bulb fixed block Width of described stopper slot, and by described bulb fixed part in described mounting hole relative to the length direction along described bulb fixed block move, to regulate the positional distance of the relatively described convex lens of described illuminator.
In a preferred embodiment, described lamp socket is that Heat Conduction Material is made, and described outer cover of lamp holder is set to heat radiating fin structure, and the bottom of described lamp socket is provided with ventilating opening.
In a preferred embodiment, described lamp socket is set to the semiclosed case structure of an end opening, and the openend of described lamp socket forms the ventilating opening of this lamp socket.
In a preferred embodiment, also comprise: with described filter wheel subsystem relative set and gather radiative signal acquiring board after this filter wheel subsystem filters, described colorimetric pool subsystem comprises: colorimetric pool, be provided with on described colorimetric pool correspondingly with described convex lens arrange, for the light hole that the utilizing emitted light of described illuminator passes, be filled with sample liquid in described light hole; Described filter wheel subsystem comprises: the optical filter that the utilizing emitted light that arrange and described light hole transmission come corresponding to described light hole filters.
In a preferred embodiment, described filter wheel subsystem comprises: filter wheel, and drive described filter wheel and rotate to carry out the dynamical element that optical filter switches, described optical filter is arranged on described filter wheel and drives the optical filter that will be complementary with the wavelength of transmitted light of described illuminator by described dynamical element and switches to described light hole corresponding position to receive the transmission ray of this light hole, is provided with the receiving sensor that receives the light after described optical filter filters on described signal acquiring board.
In a preferred embodiment, be provided with connecting pipe between the light well of described filter wheel subsystem and described colorimetric pool subsystem.
In a preferred embodiment, the filament of described illuminator or light source center, convex lens center, light hole, optical filter center, receiving sensor successively relative set on same straight line.
In a preferred embodiment, also be provided with in described colorimetric pool subsystem: detect the temperature-detecting device of sample liquid temperature, the control element that is connected with described temperature-detecting device, reach the heating and cooling device that is connected with described control element and heats or freeze according to the testing result control of temperature-detecting device by this control element.
a kind of Biochemical Analyzer, comprise drain pan, be arranged on the optical system on described drain pan, and be arranged on fan on described drain pan, described optical system comprises: the corresponding illuminator subsystem that arranges successively, the colorimetric pool subsystem, the filter wheel subsystem, described illuminator subsystem comprises: lamp socket, be arranged on illuminator in described lamp socket, and the radiative convex lens of the described illuminator of gathering, described illuminator is arranged in described lamp socket by the bulb fixed block, being provided with on described lamp socket with described bulb fixed block is equipped with and makes this bulb fixed block to move along it mounting groove that described illuminator is carried out position adjustments, be provided with ventilation slot on described drain pan with on described optical system corresponding position.
The optical system of above-mentioned Biochemical Analyzer and the illuminator of this Biochemical Analyzer are fixed on the bulb fixed block in advance, move the position of regulating illuminator along mounting groove by the bulb fixed block with the filament of the guaranteeing illuminator center at convex lens.When maintenance or replacing, only need and to be placed on the illuminator that the bulb fixed block fixes in mounting groove, before and after regulate distance between illuminator and convex lens, transferring to suitable focal length, be that a screw is fixed on the bulb fixed block in mounting groove and gets final product by fixture; Only need back out the screw of fixing with mounting groove during replacing and get final product, it is convenient to change.Convex lens play the optically focused effect, and making only needs to use the illuminator of smaller power just can reach required light intensity, reduce thermal value.
Embodiment
As shown in Figures 1 to 4, the optical system 100 of the Biochemical Analyzer of one embodiment of the invention comprises: corresponding illuminator subsystem 20, colorimetric pool subsystem 40, the filter wheel subsystem 60 that arranges successively.
Illuminator subsystem 20 comprises: lamp socket 22, be arranged on illuminator 24 in lamp socket 22, and be used for assemble the radiative convex lens 26 of illuminator 24.
Further, the illuminator 24 of the present embodiment is arranged in lamp socket 22 by bulb fixed block 28.Be provided with on lamp socket 22 with bulb fixed block 28 and coordinate relative set mounting groove 220.Bulb fixed block 28 moves along mounting groove, so that illuminator 24 is carried out position adjustments.In the present embodiment, illuminator 24 is preferably Halogen lamp LED.
Further, bulb fixed block 28 comprises: the fixed part 282 that is fixedly connected with lamp socket 22, the bulb installation portion 284 that is connected and is used for installing illuminator 24 with fixed part 282.Be provided with the secured adjusted groove on fixed part 282.Fixture such as screw 29 by move along the secured adjusted groove, to regulate the fixed position of bulb fixed block 28 on lamp socket 22.
Further, mounting groove 220 comprises: with the stopper slot 222 of fixed part 282 relative set, and and the mounting hole of bulb installation portion 284 relative set.Bulb installation portion 284 drives illuminator 24 and moves in mounting hole, with adjusting illuminator position.Illuminator 24 is installed in the inner chamber of lamp socket 22 by mounting hole.
Further, in the present embodiment, bulb fixed block 28 is set to turn the shape structure.The mounting groove that arranges on lamp socket 22 moves, regulates the positional distance of illuminator 24 relative convex lens 26 by the displacement of spacing bulb fixed block 28 Widths of stopper slot part relative to the length direction along bulb installation portion 284 in mounting hole by bulb installation portion 284.
Further, the lamp socket 22 of the present embodiment is made for Heat Conduction Material.In the present embodiment, the preferred good aluminium alloy of heat conductivility that adopts of lamp socket 22 is made.The bottom of lamp socket 22 relative installation of the present embodiment is provided with ventilating opening 223.
Further, the lamp socket 22 of the present embodiment is set to the semiclosed case structure of an end opening.The openend of lamp socket or the one side of opening form the ventilating opening 223 of lamp socket 22.Opening one end of lamp socket 22 is mounted on the drain pan 30 of Biochemical Analyzer 102.
For further heat radiation, it is the fin type structure that lamp socket 22 shells of the present embodiment are set to heat radiating fin structure.
Further, for the convenient position of adjusting illuminator 24, the slit 225 that arrange with illuminator 24 positions of observation corresponding to convex lens 26 on the lamp socket 22 of the present embodiment.
As to shown in Figure 6, preferred in Fig. 5, corresponding setting in the position of the slit 225 of the present embodiment and convex lens 26.When install adjusting illuminator 24, first bulb fixed block 28 is contained on frock clamp, also is provided with the fixture slit on this frock clamp and slit 225 relevant positions, position.Fixture slit and slit 225 relative set are assemblied in illuminator 24 on bulb fixed block 28 and mobile light source lamp 24 slowly, until see through the filament that fixture slit and slit 225 are observed illuminator 24; Fixture by being arranged on lamp socket 22 both sides such as the screw rod illuminator 24 that is tightened again; Then light illuminator 24, observe illuminator 24 utilizing emitted lights and see through the imaging that convex lens 26 arrive the aperture 27 on the observation screen that arranges, slowly fine setting is until the filament of illuminator 24 is imaged on the centre of observation screen aperture 27; Utilize at last heat proof material to fill in the mounting hole and gap of illuminator 24 and bulb fixed block 28, illuminator 24 is solidificated on bulb fixed block 28 forms one-piece construction.Aperture 27 on observation screen and the light well relative set of filter wheel subsystem 60 are the light well position of filter wheel subsystem 60; The filament of illuminator 24 is imaged on the centre of the light well of filter wheel subsystem 60.
Further, the optical system 100 of the Biochemical Analyzer of the present embodiment also comprises: with filter wheel subsystem 60 relative set and gather radiative signal acquiring board 80 after this filter wheel subsystem 60 filters.Be provided with the radiative receiving sensor that receives after filter wheel subsystem 60 filters on signal acquiring board 80.
Further, the colorimetric pool subsystem 40 of the present embodiment comprises: colorimetric pool 42.Be provided with the light hole 422 that correspondingly with convex lens 26 arranges, passes for the utilizing emitted light of illuminator 24 on colorimetric pool 42.Be filled with sample liquid in light hole 422.Preferably, be full of sample liquid in light hole 422.
Further, also be provided with in the colorimetric pool subsystem 40 of the present embodiment: the temperature-detecting device that detects the sample liquid temperature, the control element that is connected with temperature-detecting device, and the heating and cooling device 47 that is connected with control element and heats or freeze according to the testing result of temperature-detecting device by the control of this control element.In the present embodiment, temperature-detecting device is preferably thermistor.
Further, the filter wheel subsystem 60 of the present embodiment comprises: the optical filter 62 that correspondingly with light hole 422 arranges, filters with the utilizing emitted light that light hole 422 transmissions are come.
Further, the filter wheel subsystem 60 of the present embodiment also comprises: optical filtering shell 68, be arranged on the filter wheel 64 in optical filtering shell 68 and be arranged on optical filtering shell 68 and drive the dynamical element that filter wheel 64 rotates to switch optical filter 62.In the present embodiment, dynamical element is decelerating step motor 66 preferably.Filter wheel subsystem 60 forms the closed type closure designs by optical filtering shell 68.
Further, optical filter 62 is arranged on filter wheel 64 and drives the optical filter that will be complementary with the wavelength of transmitted light of illuminator 24 by dynamical element and switches to correspondence position with light hole 422, to receive the utilizing emitted light of these light hole 422 transmission.
Further, in order to guarantee the sealing of filter wheel subsystem 60, be provided with connecting pipe between the light well of the filter wheel subsystem 60 of the present embodiment and colorimetric pool subsystem 60.Preferably, the connecting pipe of the present embodiment adopts silicone tube 65 to connect.
Further, the filament of illuminator 24 or light source center, convex lens 26 centers, light hole 422, optical filter 62 centers of filtering, receiving sensor successively and relative set on same straight line.
As shown in Figure 1, the Biochemical Analyzer 102 of one embodiment of the invention comprises: drain pan 30, be arranged on the optical system 100 on drain pan 30 and be arranged on fan 104 on drain pan 30.
As shown in Figures 1 to 4, the optical system 100 of the Biochemical Analyzer of the present embodiment comprises: corresponding illuminator subsystem 20, colorimetric pool subsystem 40, the filter wheel subsystem 60 that arranges successively.
Illuminator subsystem 20 comprises: lamp socket 22, be arranged on illuminator 24 in lamp socket 22, and be used for the radiative convex lens 26 of condensation light source lamp 24.
Further, the illuminator 24 of the present embodiment is arranged in lamp socket 22 by bulb fixed block 28.Be provided with on lamp socket 22 with bulb fixed block 28 and coordinate relative set mounting groove 220.Bulb fixed block 28 moves along mounting groove, so that illuminator 24 is carried out position adjustments.
Further, bulb fixed block 28 comprises: the fixed part 282 that is fixedly connected with lamp socket 22, the bulb installation portion 284 that is connected and is used for installing illuminator 24 with fixed part 282.
Further, mounting groove 220 comprises: with the stopper slot 222 of fixed part 282 relative set, and and the mounting hole of bulb installation portion 284 relative set.Bulb installation portion 284 drives illuminator 24 and moves in mounting hole, with adjusting illuminator position.Illuminator 24 is installed in the inner chamber of lamp socket 22 by mounting hole.
Further, in the present embodiment, bulb fixed block 28 is set to turn the shape structure.The mounting groove 220 that arranges on lamp socket 22 moves, regulates the positional distance of illuminator 24 relative convex lens 26 by the displacement of spacing bulb fixed block 28 Widths of stopper slot 222 relative to the length direction along bulb installation portion 284 in mounting hole by bulb installation portion 284.
Further, the lamp socket 22 of the present embodiment is made for Heat Conduction Material.In the present embodiment, the preferred good aluminium alloy of heat conductivility that adopts of lamp socket 22 is made.The bottom of lamp socket 22 relative installation of the present embodiment is provided with ventilating opening 223.
Further, the lamp socket 22 of the present embodiment is set to the semiclosed case structure of an end opening.The openend of lamp socket or the one side of opening form the ventilating opening 223 of lamp socket 22.Opening one end of lamp socket 22 is mounted on the drain pan 30 of Biochemical Analyzer 102.
For further heat radiation, it is the fin type structure that lamp socket 22 shells of the present embodiment are set to heat radiating fin structure.
Further, for the convenient position of adjusting illuminator 24, the slit 225 that arrange with illuminator 24 positions of observation corresponding to convex lens 26 on the lamp socket 22 of the present embodiment.
Preferably, corresponding setting in the position of the slit 225 of the present embodiment and convex lens 26.When install adjusting illuminator 24, first bulb fixed block 28 is contained on frock clamp, also is provided with the fixture slit on this frock clamp and slit 225 relevant positions, position.Fixture slit and slit 225 relative set, by mobile bulb fixed block 28 with mobile light source lamp 24 slowly, until see through the filament that fixture slit and slit 225 are observed illuminator 24; Fixture by being arranged on lamp socket 22 both sides such as screw rod 21 illuminator 24 that is tightened again; Then light illuminator 24, observe illuminator 24 utilizing emitted lights and see through the imaging that convex lens 26 arrive the aperture 27 on the observation screen that arranges, slowly finely tune until the filament of illuminator 24 is imaged on the centre of observation screen aperture 27 by bulb fixed block 28; Utilize at last heat proof material to fill, solidify.
Further, the optical system 100 of the Biochemical Analyzer of the present embodiment also comprises: with filter wheel subsystem 60 relative set and gather radiative signal acquiring board 80 after this filter wheel subsystem 60 filters.Be provided with the radiative receiving sensor that receives after filter wheel subsystem 60 filters on signal acquiring board 80.
Further, the colorimetric pool subsystem 40 of the present embodiment comprises: colorimetric pool 42.Be provided with the light hole 422 that correspondingly with convex lens 26 arranges, passes for the utilizing emitted light of illuminator 24 on colorimetric pool 42.Be filled with sample liquid in light hole 422.Preferably, be full of sample liquid in light hole 422.
Further, also be provided with in the colorimetric pool subsystem 40 of the present embodiment: the temperature-detecting device that detects the sample liquid temperature, the control element that is connected with temperature-detecting device, and the heating and cooling device 47 that is connected with control element and heats or freeze according to the testing result of temperature-detecting device by the control of this control element.In the present embodiment, temperature-detecting device is preferably thermistor.
Further, the filter wheel subsystem 60 of the present embodiment comprises: the optical filter 62 that correspondingly with light hole 422 arranges, filters with the utilizing emitted light that light hole 422 transmissions are come.
Further, the filter wheel subsystem 60 of the present embodiment also comprises: optical filtering shell 68, be arranged on the filter wheel 64 in optical filtering shell 68 and be arranged on optical filtering shell 68 and drive the dynamical element that filter wheel 64 rotates to switch optical filter 62.In the present embodiment, dynamical element is decelerating step motor 66 preferably.Filter wheel subsystem 60 forms the closed type closure designs by optical filtering shell 68.
Further, optical filter 62 is arranged on filter wheel 64 and drives the optical filter that will be complementary with the wavelength of transmitted light of illuminator 24 by dynamical element and switches to correspondence position with light hole 422, to receive the utilizing emitted light of these light hole 422 transmission.
Further, in order to guarantee the sealing of filter wheel subsystem 60, be provided with connecting pipe between the light well of the filter wheel subsystem 60 of the present embodiment and colorimetric pool subsystem 60.Preferably, the connecting pipe of the present embodiment adopts silicone tube 65 to connect.
Further, the filament of illuminator 24 or light source center, convex lens 26 centers, light hole 422, optical filter 62 centers of filtering, receiving sensor are also corresponding to the straight line setting successively.
Further, be provided with ventilation slot 32 on the drain pan 30 of the present embodiment with on optical system 100 corresponding position.
The optical system 100 of the Biochemical Analyzer of the present embodiment comprises: illuminator subsystem 20, colorimetric pool subsystem 40, filter wheel subsystem 60.Wherein, illuminator subsystem 20 comprises: lamp socket 22, be arranged on illuminator 24 in lamp socket 22, and be used for assemble the radiative convex lens 26 of illuminator 24.Lamp socket 22 adopts aluminum alloy materials to make, and lamp socket 22 shells adopt the stripe shape design of heat radiator.
The drain pan 30 of Biochemical Analyzer 102 instruments of the present embodiment adopts thick bar shaped ventilation slots 32, and the fan 104 of large discharge capacity is equipped with in drain pan 30 rear ends.
Mounting groove 220 is arranged at the top of lamp socket 22, the spacing illuminator 24 in position, left and right, and illuminator 24 is regulated with front and back only.Illuminator 24 is arranged on the bulb fixed block 28 of aluminum by a frock clamp in advance, guarantees that the filament of illuminator 24 is at the center of convex lens 26.
The reflection ray of illuminator 24 was through passing the light hole 422 on colorimetric pool 42 after convex lens 26, light hole 422 the insides are full of sample liquid.Control the heating and cooling device by temperature-detecting device such as thermistor detected temperatures, sample liquid is controlled under specified temp, for example common 37 ℃.Filter wheel subsystem 60 uses dynamical element such as decelerating step motor 66 to rotate the optical filter 62 that filter wheel 64 switches different wave length, and utilizing emitted light is mating plate 62 arriving signal collection plates 80 after filtration.Filter wheel subsystem 60 adopts Seal Design, connects with silicone tube between the light well of filter wheel subsystem 60 and colorimetric pool subsystem 40.
Lamp socket 22 adopts aluminum alloy materials manufacturing, good heat conductivity.Lamp socket 22 shells adopt the stripe shape design of heat radiator, and the contact area of increase and air effectively and is promptly taken away the heat of illuminator 24, and being conducive to illuminator 24 can long-term stable operation.Ventilating opening 223 and the ventilation slot on drain pan 30 32 that lamp socket 22 bottoms arrange form the air channel, accelerate the interior Air Flow of lamp socket 22, take away the heat that illuminator 24 work are sent.Illuminator 24 is bonded on the bulb fixed block 28 of an aluminum by a frock clamp in advance, guarantees that the filament of illuminator 24 is at the center of convex lens 26.During maintenance, only need the illuminator 24 that glues is placed on mounting groove 220, the distance that front and back adjusting illuminator 24 and convex lens are 26, suitable to transfer to suitable focal length, it is convenient to change simultaneously.Convex lens 26 play the optically focused effect, and making only needs to use the illuminator 24 of smaller power just can reach required light intensity, reduce thermal value.
Filter wheel subsystem 60 adopts Seal Design, connects with silicone tube between the light well of filter wheel subsystem 60 and colorimetric pool subsystem 40, avoids into dust pollution optical filter 62; Even in environment relatively poor township hospital or clinic, also can normally use for a long time.
The illuminator 24 of the present embodiment is selected Halogen lamp LED, dispels the heat by the ventilating opening 223 and the ventilation slot 32 formation air channel improvement on drain pan 30 that are arranged on lamp socket 22 bottoms settings, and the serviceable life of prolongation illuminator 24.Offer ventilating opening 223 in the bottom of lamp socket 22, the fan 104 of large discharge capacity is housed in the rear end of the drain pan 30 of Biochemical Analyzer 102.Fan 104 is with the Air Flow in Automatic Biochemical Analyzer 102, and the air of entering from ventilating opening 223 is taken away heat during through lamp socket 22.
The present invention is dispelled the heat by improvement and is extended the life-span of lamp, is convenient to change illuminator 24 by the design of bulb fixed block 28 simultaneously.Illuminator 24 is arranged on bulb fixed block 28, only needs when installing or changing by bulb fixed block 28, illuminator 24 to be put in lamp socket 22 simply, tightens a screw 29 and gets final product.
Be proven the optical system 100 of the Biochemical Analyzer of the present embodiment, the stabilized intensity of the illuminator 24 after 30 minutes of starting shooting, lamp socket 22 temperature are about 40 ℃ (under 25 ℃ of room temperatures), radiating effect is remarkable, and internal absorbance zero point drift in 20 minutes meets relevant national standard within 5/1000ths.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.