CN214335504U

CN214335504U - Data acquisition control module of microbial cultivation detector

Info

Publication number: CN214335504U
Application number: CN202120129912.4U
Authority: CN
Inventors: 赵玉泉; 赵广辉
Original assignee: Yunhui Technology Tianjin Co ltd
Current assignee: Yunhui Technology Tianjin Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-01
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a data acquisition control module of detector is cultivateed to microorganism, including singlechip, protection circuit, CAN communication interface circuit and reference power supply circuit: the single chip microcomputer is electrically connected with the protection circuit, the CAN communication interface circuit and the reference power circuit respectively, and is further connected with 20 analog quantity acquisition circuits, 20 switching value control circuits and 1 switching value control circuit. The utility model discloses in, this data acquisition control module adopts the control chip of high integrated level as the basis, the effectual installation volume that reduces data acquisition control module to combine three control command can carry out comprehensive and accurate operation to data acquisition control module, thereby can ensure the high-efficient operation of data acquisition control circuit, improved the operating efficiency of microbial cultivation detector.

Description

Data acquisition control module of microbial cultivation detector

Technical Field

The utility model relates to a data acquisition control technical field especially relates to a data acquisition control module of microbial cultivation detector.

Background

The microbial cultivation detector incubation module assembly is the most critical part in the microbial cultivation detector, and comprises an incubator (20 holes), 20 light-emitting sources, a light/color/electricity conversion plate, 10 light-gathering hoods, a light-transmitting plate, 20 light-reflecting plates, 20 culture bottle clamps and the like, and mainly completes the following tasks: the state information of the microorganisms in the culture bottle is collected, converted into a standard electric signal which can be received by a computer monitoring system through a light/color sensor, and simultaneously a control command from the computer monitoring system is executed.

The current data acquisition control module needs to be through loaded down with trivial details step just can realize the collection and the control of data when the state information acquisition control of microorganism in to the blake bottle to lead to the inefficiency of data acquisition and control, and is not high to data acquisition control module's integrated level, leads to its volume great, and the installation of being not convenient for is fixed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and propose the integrated mode easy to assemble of high accuracy who adopts small volume to can carry out the data acquisition control module of the microbial cultivation detector of comprehensive accurate control with the help of three instructions.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a data acquisition control module of a microbial cultivation detector comprises a single chip microcomputer, a protection circuit, a CAN communication interface circuit and a reference power supply circuit:

the single chip microcomputer is electrically connected with the protection circuit, the CAN communication interface circuit and the reference power circuit respectively;

the single chip microcomputer is further connected with 20 analog quantity acquisition circuits, 20 switching value control circuits and 1 switching value control circuit.

As a further description of the above technical solution:

the single chip microcomputer is further connected with a watchdog circuit, and the watchdog circuit is composed of a register, a counter and a dog calling module.

As a further description of the above technical solution:

the single chip microcomputer is also connected with an EMC suppression circuit and used for suppressing interference on the single chip microcomputer.

As a further description of the above technical solution:

the protection circuit has the functions of overcurrent, overvoltage and overheat protection for the single chip microcomputer.

As a further description of the above technical solution:

the single chip microcomputer has the performance of 20 paths of analog quantity input, 20 paths of switching value output and 1 path of switching value input.

As a further description of the above technical solution:

the CAN communication interface circuit supports the running speed of 1M bit rate, supports the CAN2.0B communication protocol and meets the requirements of an ISO-11898 standard physical layer.

The utility model provides a data acquisition control module of microbial cultivation detector. The method has the following beneficial effects:

this data acquisition control module adopts the control chip of high integrated level as the basis, the effectual installation volume that reduces data acquisition control module to combine three control command can carry out comprehensive and accurate operation to data acquisition control module, thereby can ensure that data acquisition control circuit high-efficient operation, improved the operating efficiency of microbial cultivation detector.

Drawings

FIG. 1 is a schematic hardware diagram of a data acquisition control module of a microbial cultivation detector according to the present invention;

FIG. 2 is a schematic view of the connection between the data acquisition control module and the microorganism culture detector system of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1-2, a data acquisition control module of a microbial cultivation detector comprises a single chip, a protection circuit, a CAN communication interface circuit and a reference power circuit:

the single chip microcomputer is also connected with 20 paths of analog quantity acquisition circuits, 20 paths of switching value control circuits and 1 path of switching value control circuit.

The single chip microcomputer is also connected with a watchdog circuit, and the watchdog circuit consists of a register, a counter and a dog calling module.

The singlechip is also connected with an EMC suppression circuit and is used for suppressing interference on the singlechip.

Singlechip, protection circuit, CAN communication interface circuit, benchmark power supply circuit, 20 analog quantity acquisition circuit, 20 switch quantity control circuit, 1 switch quantity control circuit, watchdog circuit and EMC suppression circuit all integrate on the PCB board of high accuracy for the operating voltage of PCB board: DC 12V-24V, with watchdog and data filtering function, input signal of 0-5V, A/D conversion precision: 12 bits, refresh time: less than 5ms, emission and noise immunity requirements in accordance with GB/T18268, PCB board size: the length is 80mm, the width is 58mm, and by taking the module (one can manage 20 hole sites) as a basic unit and matching with management software of an upper computer, the module can be easily combined to form a series of microbial cultivation detector products with 20, 40, 60, 80, 100, 120.

The working principle is as follows: an IDC-10 interface terminal on a PCB integrated board of the data acquisition control module is in communication connection with a power supply, a magnetic switch (door control) and a CAN of the microbial culture detector system; the 9001-18481C interface terminal on the PCB integrated board of the data acquisition control module is connected with the incubation module assembly of the microorganism culture detector system;

after the upper computer sends out a command of reading 20-path analog quantity and 1-path switching value state of the module, the test data of 20 hole sites and the state of magnetic switching value (door control) can be directly read;

after the upper computer (management computer) sends out a 'setting 20-path switching value output command', the state (lightening, extinguishing or flickering) of a 'hole site indicator lamp' in the 'incubation module assembly' can be controlled;

after the upper computer sends a command of reading 20 switching value states, the state (lighting, extinguishing or flashing) of a hole site indicator lamp in the incubation module assembly can be identified.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a data acquisition control module of microbial cultivation detector, includes singlechip, protection circuit, CAN communication interface circuit and reference power supply circuit, its characterized in that:

2. The data collection control module of the microbial culture detector according to claim 1, wherein: the single chip microcomputer is further connected with a watchdog circuit, and the watchdog circuit is composed of a register, a counter and a dog calling module.

3. The data collection control module of the microbial culture detector according to claim 1, wherein: the single chip microcomputer is also connected with an EMC suppression circuit and used for suppressing interference on the single chip microcomputer.

4. The data collection control module of the microbial culture detector according to claim 1, wherein: the protection circuit has the functions of overcurrent, overvoltage and overheat protection for the single chip microcomputer.

5. The data collection control module of the microbial culture detector according to claim 1, wherein: the single chip microcomputer has the performance of 20 paths of analog quantity input, 20 paths of switching value output and 1 path of switching value input.

6. The data collection control module of the microbial culture detector according to claim 1, wherein: the CAN communication interface circuit supports the running speed of 1M bit rate, supports the CAN2.0B communication protocol and meets the requirements of an ISO-11898 standard physical layer.