CN215894630U - Multichannel thrombelastogram appearance passageway coding and identification circuit and equipment - Google Patents
Multichannel thrombelastogram appearance passageway coding and identification circuit and equipment Download PDFInfo
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- CN215894630U CN215894630U CN202122291060.1U CN202122291060U CN215894630U CN 215894630 U CN215894630 U CN 215894630U CN 202122291060 U CN202122291060 U CN 202122291060U CN 215894630 U CN215894630 U CN 215894630U
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Abstract
The utility model relates to a multi-channel thrombelastogram instrument channel coding and identifying circuit, which comprises a thrombelastogram instrument mother board and a plurality of channel boards; the thromboelastography instrument mother board is provided with a plurality of coding circuits respectively corresponding to different channel numbers, and the channel board is provided with an analysis coding circuit to obtain a coding identification circuit corresponding to the channel numbers; according to the utility model, the plurality of coding circuits are arranged on the motherboard of the thrombelastogram instrument, and the number of the channel plate is determined by identifying the coding circuits corresponding to different channel numbers arranged on the motherboard of the thrombelastogram instrument when the channel plate is connected to the motherboard of the thrombelastogram instrument, so that the number of any channel plate is fixed after the channel plate is connected, the universality is good, and the production and maintenance of the channel plate are very simple.
Description
Technical Field
The utility model relates to the technical field of multi-channel thromboelastogram instruments, in particular to a multi-channel thromboelastogram instrument channel coding and identifying circuit and equipment.
Background
Since thromboelastogram is an index reflecting dynamic changes in blood coagulation (including the rate of formation of fibrin, the firmness of dissolution and coagulation, and the elasticity), factors that influence thromboelastogram include the aggregation state of platelets, the rigidity of platelets, the rate of blood coagulation, the level of fibrinolytic system activity, and the like.
The multichannel thromboelastogram instrument has great speed advantage, so the multichannel thromboelastogram instrument is the development direction in the future, but the channels of the multichannel thromboelastogram instrument are more, each channel needs to be coded and identified, in the past, a marking circuit is added on a channel plate or different programs are burnt and written for distinguishing, and the method causes that the channel plate cannot be used universally, and is inconvenient to produce and maintain.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a multi-channel thromboelastogram instrument channel coding and identifying circuit and a multi-channel thromboelastogram instrument channel coding and identifying device aiming at the defects in the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
constructing a multi-channel thromboelastography channel coding and identifying circuit, wherein the multi-channel thromboelastography channel coding and identifying circuit comprises a thromboelastography mother board and a plurality of channel boards; the thromboelastography instrument mother board is provided with a plurality of coding circuits respectively corresponding to different channel numbers, and the channel board is provided with a coding identification circuit for analyzing the coding circuits to obtain the corresponding channel numbers.
The multichannel thromboelastogram instrument channel coding and identifying circuit is characterized in that the thromboelastogram instrument mother board is connected with the channel board through a terminal.
The multichannel thromboelastogram instrument channel coding and identifying circuit is characterized in that a plurality of terminals are arranged on a mother board of the thromboelastogram instrument, and the terminals are connected with the coding circuit in a one-to-one correspondence mode.
The utility model relates to a multi-channel thromboelastography instrument channel coding and identifying circuit, wherein the coding circuit and the coding and identifying circuit are both analog circuits.
The utility model relates to a multi-channel thromboelastography channel coding and identifying circuit, wherein the coding circuit comprises a plurality of voltage dividing resistors connected in series, a voltage reference chip for supplying power to the voltage dividing resistors and a plurality of first motherboard terminals; the first motherboard terminal is provided with a first coding pin, one pin of the first motherboard terminal is grounded, the loop where the divider resistor is located is divided into different voltage sections by the divider resistors, and each voltage section is connected with one first coding pin.
The utility model relates to a multi-channel thromboelastography channel coding and identifying circuit, wherein the coding and identifying circuit comprises a first channel plate terminal; a second coding pin corresponding to the first coding pin is arranged on the first channel plate terminal; the code identification circuit further comprises a first MCU for identifying the voltage magnitude of the second coding pin.
The utility model relates to a multi-channel thromboelastography instrument channel coding and identifying circuit, wherein the coding circuit and the coding and identifying circuit are both digital circuits.
The multi-channel thromboelastography channel coding and identifying circuit comprises a plurality of second motherboard terminals and a plurality of level components which are applied to the second motherboard terminals in a one-to-one correspondence manner; the second motherboard terminal is provided with a plurality of third coding pins, the levels carried by the third coding pins on the second motherboard terminal are combined to form a group of feature codes, and the feature codes of the motherboard terminals are different.
The coding and identifying circuit of the multichannel thromboelastography instrument channel comprises a second channel plate terminal, wherein a plurality of fourth coding pins which are in one-to-one correspondence with the third coding pins are arranged on the second channel plate terminal; the code identification circuit also comprises a second MCU for reading the levels of the fourth coding pins.
A multichannel thromboelastography channel coding and identification device is provided, wherein the device is provided with the multichannel thromboelastography channel coding and identification circuit.
The utility model has the beneficial effects that: according to the utility model, the plurality of coding circuits are arranged on the motherboard of the thrombelastogram instrument, and the number of the channel plate is determined by identifying the coding circuits corresponding to different channel numbers arranged on the motherboard of the thrombelastogram instrument when the channel plate is connected to the motherboard of the thrombelastogram instrument, so that the number of any channel plate is fixed after the channel plate is connected, the universality is good, and the production and maintenance of the channel plate are very simple.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a schematic block diagram of a multi-channel thromboelastography channel encoding and identification circuit of a preferred embodiment of the present invention;
FIG. 2 is a circuit diagram of an analog encoding circuit of the multi-channel thromboelastography channel encoding and identification circuit of a preferred embodiment of the present invention;
FIG. 3 is a circuit diagram of an analog code identification circuit of the multi-channel thromboelastography channel coding and identification circuit of a preferred embodiment of the present invention;
FIG. 4 is a circuit diagram of the digital encoding of the channel encoding and identification circuit of the multi-channel thromboelastography device in accordance with a preferred embodiment of the present invention;
figure 5 is a digital code identification circuit diagram of the multi-channel thromboelastography channel coding and identification circuit of a preferred embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
The multi-channel thromboelastogram instrument channel coding and identifying circuit of the preferred embodiment of the utility model is shown in fig. 1, and also refers to fig. 2-5, and comprises a thromboelastogram instrument mother board 1 and a plurality of channel boards 2; the thromboelastography instrument mother board 1 is provided with a plurality of coding circuits 10 respectively corresponding to different channel numbers, and the channel board 2 is provided with an analysis coding circuit 10 to obtain a coding identification circuit 20 corresponding to the channel numbers;
according to the utility model, the plurality of coding circuits 10 are placed on the thrombelastogram instrument motherboard 1, and the channel plate 2 is connected to the thrombelastogram instrument motherboard 1, and the number of the channel plate is determined by identifying the coding circuits 10 corresponding to different channel numbers arranged on the thrombelastogram instrument motherboard, so that the number of any channel plate 2 is fixed after the channel plate is connected, the universality is good, and the production and maintenance of the channel plate are very simple.
Preferably, the thromboelastography mother board is connected with the channel board through a terminal; a plurality of terminals are arranged on the motherboard of the thrombelastogram instrument, and the terminals are connected with the coding circuits in a one-to-one correspondence manner; the channel plate can be conveniently and quickly plugged and unplugged when in use by adopting a terminal connection mode;
of course, it is understood that other plug structures or forms may be used, and that simple replacement based on such principles is within the scope of the present application.
An alternative embodiment is: the encoding circuit and the encoding recognition circuit are both analog circuits, as shown in fig. 2 and 3, taking a 4-channel analog encoding recognition circuit as an example:
the encoding circuit comprises a plurality of voltage dividing resistors (R1, R2 and R3 in figure 2) which are connected in series, a voltage reference chip (U1 in figure 2) for supplying power to the voltage dividing resistors, and a plurality of first motherboard terminals (motherboard terminal 1, motherboard terminal 2, motherboard terminal 3 and motherboard terminal 4 in figure 2); the first motherboard terminal is provided with a first coding pin, one pin of the first motherboard terminal is grounded, a loop where the first motherboard terminal is located is divided into different voltage sections by a plurality of divider resistors, and each voltage section is connected with a first coding pin;
the analog coding circuit is arranged on a motherboard, generates stable voltage by a U1 voltage reference source, obtains 4 different voltages by resistance voltage division, and is respectively connected to coding pins on motherboard terminals.
The code identification circuit includes a first channel plate terminal; a second coding pin corresponding to the first coding pin is arranged on the first channel plate terminal; the code identification circuit also comprises a first MCU for identifying the voltage magnitude of the second coding pin;
the analog code identification circuit is arranged on the channel plate, when the channel plate is connected to a motherboard of the thromboelastography instrument, the coding pin on the terminal of the first motherboard is connected with the coding pin on the channel plate, the first MCU can read the voltage of the coding pin on the channel plate through the internal ADC, and the terminal of the motherboard into which the channel plate is inserted is judged by distinguishing the voltage.
Another preferred embodiment is: the coding circuit and the code recognition circuit are both digital circuits, and as shown in fig. 4 and 5, a 4-channel digital code recognition circuit is taken as an example.
The encoding circuit comprises a plurality of second motherboard terminals (motherboard terminal 1, motherboard terminal 2, motherboard terminal 3 and motherboard terminal 4 in figure 4) and a plurality of level components (VCC in figure 4) which are applied to the second motherboard terminals in a one-to-one correspondence manner; a plurality of third coding pins ( coding pins 1 and 2 in fig. 4) are arranged on the second motherboard terminal, the level combinations carried by the third coding pins on the second motherboard terminal form a group of feature codes, and the feature codes of the motherboard terminals are different;
the digital coding circuit is arranged on the motherboard, and the high-level VCC is connected to a coding pin on a motherboard terminal through a resistor; when the coding pin on the motherboard is not connected to the VCC level through the resistor, the MCU on the channel board is 0 through the corresponding coding pin, otherwise is 1;
the code identification circuit comprises a second channel board terminal, and a plurality of fourth coding pins (a coding pin 1 and a coding pin 2 in fig. 5) which are in one-to-one correspondence with the third coding pins are arranged on the second channel board terminal; the coding identification circuit also comprises a second MCU for reading the levels of a plurality of fourth coding pins;
the digital coding identification circuit is arranged on the channel board, when the channel board is connected to the motherboard, the coding pins on the motherboard terminal and the coding pins on the channel board are connected together, the MCU can read the level of the coding pins on the channel board through internal input, and the terminal of the channel board connected to the motherboard can be obtained by distinguishing the read levels of the two coding pins.
It should be noted that the two specific embodiments described above may have other modifications, and equivalent modifications based on the principle belong to the protection scope of the present application;
a multichannel thromboelastography instrument channel coding and identification device is provided, wherein the device is provided with the multichannel thromboelastography instrument channel coding and identification circuit.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.
Claims (10)
1. A multi-channel thromboelastography instrument channel coding and identifying circuit is characterized by comprising a thromboelastography instrument mother board and a plurality of channel boards; the thromboelastography instrument mother board is provided with a plurality of coding circuits respectively corresponding to different channel numbers, and the channel board is provided with a coding identification circuit for analyzing the coding circuits to obtain the corresponding channel numbers.
2. The multi-channel thromboelastography channel coding and identification circuit of claim 1, wherein the thromboelastography motherboard is connected with the channel plate through terminals.
3. The multi-channel thromboelastography channel coding and identification circuit of claim 2, wherein a plurality of the terminals are provided on the thromboelastography motherboard, the terminals being connected with the coding circuit in a one-to-one correspondence.
4. The multi-channel thromboelastography channel coding and identification circuit of any of claims 1-3, wherein the coding circuit and the coding identification circuit are both analog circuits.
5. The multi-channel thromboelastography channel coding and identification circuit of claim 4, wherein the coding circuit comprises a plurality of voltage dividing resistors connected in series, a voltage reference chip for powering the plurality of voltage dividing resistors, and a plurality of first motherboard terminals; the first motherboard terminal is provided with a first coding pin, one pin of the first motherboard terminal is grounded, the loop where the divider resistor is located is divided into different voltage sections by the divider resistors, and each voltage section is connected with one first coding pin.
6. The multi-channel thromboelastography channel coding and identification circuit of claim 5, wherein the code identification circuit comprises a first channel plate terminal; a second coding pin corresponding to the first coding pin is arranged on the first channel plate terminal; the code identification circuit further comprises a first MCU for identifying the voltage magnitude of the second coding pin.
7. The multi-channel thromboelastography channel coding and identification circuit of any of claims 1-3, wherein the coding circuit and the coding identification circuit are both digital circuits.
8. The multi-channel thromboelastography channel coding and identification circuit of claim 7, wherein the coding circuit comprises a plurality of second motherboard terminals and a plurality of level components applied to the second motherboard terminals in a one-to-one correspondence; the second motherboard terminal is provided with a plurality of third coding pins, the levels carried by the third coding pins on the second motherboard terminal are combined to form a group of feature codes, and the feature codes of the motherboard terminals are different.
9. The multi-channel thromboelastography channel coding and identification circuit of claim 8, wherein the coding identification circuit comprises a second channel board terminal, and a plurality of fourth coding pins corresponding to the third coding pins in a one-to-one manner are arranged on the second channel board terminal; the code identification circuit also comprises a second MCU for reading the levels of the fourth coding pins.
10. A multi-channel thromboelastography channel coding and identification device, characterized in that the device is provided with a multi-channel thromboelastography channel coding and identification circuit according to any of claims 1-9.
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CN202122291060.1U CN215894630U (en) | 2021-09-22 | 2021-09-22 | Multichannel thrombelastogram appearance passageway coding and identification circuit and equipment |
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CN202122291060.1U CN215894630U (en) | 2021-09-22 | 2021-09-22 | Multichannel thrombelastogram appearance passageway coding and identification circuit and equipment |
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Effective date of registration: 20220712 Address after: 519031 office 2320, No. 3000, Huandao East Road, Hengqin new area, Zhuhai, Guangdong Patentee after: Yangpu Medical Technology Co.,Ltd. Address before: 518100 b121, block A.B, Chuang Zhi Park, No. 18, Shangnan Shangliao Industrial Road, Shangliao community, Xinqiao street, Bao'an District, Shenzhen, Guangdong Patentee before: Hepis Technology (Shenzhen) Co.,Ltd. |
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