CN210775521U - Automatic detection device for plug-in card - Google Patents

Abstract

The utility model discloses a plug-in card automatic checkout device, hold in the palm including the card that is used for placing the reagent card, hold in the palm reflection type optical coupling directly over and the host computer of being connected with reflection type optical coupling through the circuit board through the fixed plate setting at the card, the card holds in the palm the upper surface coating and has the black reflection of light district just right with reflection type optical coupling, the coating of reagent card surface has white reflection of light district, place the reagent card in the card holds in the palm, reflection type optical coupling senses light and jumps to white by the black jump, reflection type optical coupling signal produces the jump, and pass through circuit board transmission to host computer with the jump signal, the host computer sends the detected signal according to the jump. The utility model discloses card insertion automatic checkout device, card hold in the palm the black reflection of light district of upper surface coating and reagent card on the white reflection of light district of coating, put the card when the reagent card and hold in the palm the back, reflection type optical coupling senses light and jumps to white by the black, and reflection type optical coupling signal produces the jump, according to the jump signal, the steerable automatic start of detection operation on next step of host computer effectively improves detection efficiency.

Description

Automatic detection device for plug-in card

Technical Field

The utility model relates to a biochemical and medical examination field's device especially relates to a plug-in card automatic checkout device.

Background

POCT, point-of-care testing, refers to clinical testing and bedside testing performed near a patient, and is not always performed by a clinical laboratory technician; the method is a new method for analyzing the sample immediately on the sampling site, saving complex processing procedures of the sample during laboratory test and quickly obtaining test results.

Need use a large amount of reagent cards among the instantaneous verification process, current inspection is when placing the reagent card in the card support after, need go to start the detection by the manual work, has increased medical personnel's operating procedure, consuming time and wasting force.

Therefore, there is a need to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a simplified operation improves detection efficiency's plug-in card automatic checkout device.

The technical scheme is as follows: in order to realize above purpose, the utility model discloses a plug-in card automatic checkout device, hold in the palm including the card that is used for placing the reagent card, set up the reflection type optical coupling directly over the card support and the host computer of being connected with reflection type optical coupling electricity through the circuit board through the fixed plate, the card holds in the palm the upper surface coating and has the black reflection of light district just right with reflection type optical coupling, the surface coating of reagent card has white reflection of light district, place the reagent card in the card holds in the palm, reflection type optical coupling senses light and jumps to white by the black jump, reflection type optical coupling signal produces the jump, and pass through circuit board transmission to host computer with the jump signal, the host computer sends the detected signal according to the.

The fixed plate is a U-shaped support, the U-shaped support comprises a bottom plate, a vertical plate and a transverse plate used for installing the reflection type light coupler, and the transverse plate is located right above the clamping support.

Preferably, the card support is of an integrated structure, the integrated structure comprises a bottom for placing the reagent card, two side parts and two upper blocking parts, and the upper surface of the bottom is coated with a black light reflecting area opposite to the reflective light coupler.

Furthermore, the reflective optical coupler is ITR9909 of Taiwanese photoelectron.

Further, the circuit board comprises a voltage comparator, a light emitting diode and a resistor.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following:

(1) the utility model discloses card automatic checkout device, card hold in the palm black reflective region of upper surface coating and the white reflective region of coating on the reagent card, when the reagent card put the card and hold in the palm the back, reflection type optical coupling senses light and jumps to white by the black, and reflection type optical coupling signal produces the jump, according to jump signal, the host computer can control next step detection operation and begin automatically, effectively improves detection efficiency;

(2) the utility model discloses card insertion automatic checkout device simple structure, easy operation, and the commonality is strong, the facilitate promotion.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a top view of the middle card holder of the present invention;

fig. 4 is a schematic diagram of the circuit board of the present invention.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 2, the automatic card detection device of the present invention includes a card holder 2, a fixing plate 3, a reflective optical coupler 4, a circuit board 5 and a host.

As shown in fig. 3, the outer surface of the reagent card 1 is coated with a white reflective area, the card holder 2 is a one-piece structure, the one-piece structure comprises a bottom 202 for placing the reagent card, two side portions 203 and two upper blocking portions 204, and the upper surface of the bottom 202 is coated with a black reflective area 201 facing the reflective optical coupler.

The fixed plate 3 is a U-shaped bracket, the U-shaped bracket includes a bottom plate 301, a vertical plate 302 and a horizontal plate 303, and the horizontal plate 303 is located right above the card holder 2. The reflective optical coupler 4 is disposed on the horizontal plate 303 and located right above the card holder 2, and receives the black light reflected by the card holder 2 when the reagent card 1 is not placed in the card holder 2, and receives the white light reflected by the reagent card 1 when the reagent card 1 is placed in the card holder 2.

The reflective optical coupler 4 is connected with a host through a circuit board 5 and a wiring terminal 6, the type of the reflective optical coupler 4 is ITR9909 of Taiwan hundred million photoelectrons, the reflective optical coupler is related to the material of a reflecting surface, namely, the reflectivity of the reflecting surface is related, the reflectivity of a black material is low, the reflectivity of a white material is high, the IR LED of a 3mm round head 940nm emitting tube and a phototriode PT are combined in a black fixed shell and are arranged in the same direction in parallel, and the center distance is 4.1 mm; the photoelectric switch for longer distance induction has the following external dimensions: length, width and height 8.7, 4.5, 5.9mm, the transmitting tube and the receiving tube are both standard feet distance 2.54mm, the receiving end generates voltage change and sends jump signal.

The utility model discloses place reagent card 1 in the card holds in the palm 2, reflection optical coupling 4 senses light and jumps to become white by black, and reflection optical coupling 4 signals produce the jump to the signal of will jumping transmits to the host computer through circuit board 5, and the host computer sends detected signal according to the jump signal.

The circuit board 5 comprises a voltage comparator LM393, a light emitting diode D2 and resistors R1-R8, wherein the voltage comparator LM393 comprises an IN-end, an IN + end, an OUT1 end, a GND end, an IN 2-end, a VCC end, an OUT2 end and an IN2+ end, and the wiring terminal 6 comprises a 1 terminal connected with 5V, a 2 terminal connected with GND and a 3 terminal connected with output.

Working principle and process of the circuit board 5 are as follows: the resistance value change generated when the ITR9909 reflective optical coupling receives illumination is changed into a voltage signal which is transmitted to the non-inverting input end IN + of the voltage comparator LM393, the changed voltage signal is compared with the reference voltage of the inverting input end IN-end of the voltage comparator, when the voltage of the non-inverting input end IN + is larger than the voltage of the inverting input end IN-end, the output end OUT1 of the voltage comparator outputs high-level voltage, and when the voltage of the non-inverting input end IN + is smaller than the voltage of the inverting input end IN-end, the output end OUT1 of the voltage comparator outputs low-level voltage; OUT1 is output to an inverting terminal IN2-, an inverting terminal IN 2-is compared with a reference voltage of a homodromous terminal IN2+, when the voltage of the inverting terminal IN 2-is greater than the voltage of the homodromous terminal IN2+, an output terminal OUT2 of the voltage comparator outputs a low level voltage, D2 is bright, when the voltage of the inverting terminal IN 2-is less than the voltage of the homodromous terminal IN2+, an output terminal OUT2 of the voltage comparator outputs a high level voltage, and D2 is off; when the card is not inserted, the IN + terminal voltage is lower than the IN-terminal voltage, the IN 2-terminal voltage is lower than the IN2+ terminal voltage, the OUT2 outputs high level, and the D2 is off, which indicates that no card is inserted; when the card is inserted, the voltage of the IN + terminal is higher than that of the IN-terminal, the voltage of the IN 2-terminal is higher than that of the IN2+, the OUT2 outputs low level, the D2 is bright to indicate that the card is inserted, a signal is transmitted to the main control chip through the pin 3 of the wiring terminal 6, and the main control chip executes measurement action or not according to the change of the high and low levels of the signal.

The utility model discloses card insertion automatic checkout device, card hold in the palm the black reflection of light district of upper surface coating and reagent card on the white reflection of light district of coating, put the card when the reagent card and hold in the palm the back, reflection type optical coupling senses light and jumps to white by the black, and reflection type optical coupling signal produces the jump, according to the jump signal, the steerable automatic start of detection operation on next step of host computer effectively improves detection efficiency.

Claims (5)

1. The utility model provides a plug-in card automatic checkout device which characterized in that: the device comprises a card support (2) for placing a reagent card (1), a reflection type optical coupler (4) arranged right above the card support through a fixing plate (3), and a host electrically connected with the reflection type optical coupler through a circuit board (5), wherein a black reflection area (201) right opposite to the reflection type optical coupler is coated on the upper surface of the card support (2), and a white reflection area is coated on the outer surface of the reagent card (1).

2. The automatic paddle card detection device of claim 1, wherein: the fixing plate (3) is a U-shaped support, the U-shaped support comprises a bottom plate (301), a vertical plate (302) and a transverse plate (303) used for installing the reflection type light coupler, and the transverse plate (303) is located right above the clamping support (2).

3. The automatic paddle card detection device of claim 1, wherein: the card support (2) is of an integrated structure, the integrated structure comprises a bottom (202) for placing a reagent card, two side parts (203) and two upper blocking parts (204), and a black light reflecting area (201) opposite to the reflection type light coupler is coated on the upper surface of the bottom (202).

4. The automatic paddle card detection device of claim 1, wherein: the type of the reflective light coupler (4) is ITR9909 of Taiwan hundred million photoelectrons.

5. The automatic paddle card detection device of claim 1, wherein: the circuit board (5) comprises a voltage comparator LM393, a light emitting diode (D2) and resistors (R1-R8).

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