CN214707737U - Communication gateway module of microbial cultivation detector - Google Patents
Communication gateway module of microbial cultivation detector Download PDFInfo
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- CN214707737U CN214707737U CN202120129946.3U CN202120129946U CN214707737U CN 214707737 U CN214707737 U CN 214707737U CN 202120129946 U CN202120129946 U CN 202120129946U CN 214707737 U CN214707737 U CN 214707737U
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Abstract
The utility model discloses a communication gateway module of detector is cultivateed to microorganism, including singlechip, protection circuit, power supply adjusting circuit and CAN communication control circuit: the single chip microcomputer is respectively connected with the protection circuit, the power supply adjusting circuit and the CAN communication control circuit through electric wires, and is also respectively connected with the signal transceiver, the impedance matching circuit and the photoelectric isolation circuit. The utility model discloses in, this communication gateway module adopts the control chip of high integrated level, the effectual whole volume that has dwindled the communication gateway module to be convenient for carry out modular design and dismouting to the communication gateway module, and only need carry out read/write instruction, can carry out comprehensive and accurate operation to the communication gateway module, very big improvement the result of use of communication gateway module.
Description
Technical Field
The utility model relates to a communication gateway technical field especially relates to a communication gateway module of detector is cultivateed to microorganism.
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, the state information is converted into a standard electric signal which can be received by a computer monitoring system through a light/color sensor, a control command from the computer monitoring system is executed, the communication gateway realizes network interconnection above a network layer, is complex network interconnection equipment and is only used for interconnection of two networks with different high-level protocols, and in order to ensure safe and accurate transmission of data in the microorganism culture detector, data processing is carried out by means of a communication gateway module.
The installation of current communication gateway module occupies that the volume is great, is not convenient for install fixedly to the PCB board that integrates to have communication gateway module to its reliability is low, and it is not convenient enough to use the operating procedure, leads to communication gateway module's operating efficiency not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art, providing the communication gateway module which has high reliability, is convenient to install and has simple and flexible operation steps.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a communication gateway module of detector is cultivateed to microorganism, includes singlechip, protection circuit, power supply adjustment circuit and CAN communication control circuit:
the single chip microcomputer is respectively connected with the protection circuit, the power supply adjusting circuit and the CAN communication control circuit through wires;
the single chip microcomputer is also respectively connected with a signal transceiver, an impedance matching circuit and a photoelectric isolation circuit.
As a further description of the above technical solution:
the single chip microcomputer is further respectively connected with a watchdog circuit and an EMC suppression circuit, wherein the watchdog circuit plays a role in preventing running away, and the EMC suppression circuit plays a role in suppressing interference.
As a further description of the above technical solution:
the protection circuit has the functions of overcurrent, overvoltage and overheat protection.
As a further description of the above technical solution:
the impedance matching circuit is used for performing balanced transmission on all high-frequency microwave signals collected by the signal receiving and generating circuit.
As a further description of the above technical solution:
the photoelectric isolation circuit is used for isolating the interference source and the part which is easy to be interfered collected on the signal receiving and generating circuit.
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 communication gateway module of detector is cultivateed to microorganism. The method has the following beneficial effects:
this communication gateway module adopts the control chip of high integrated level, the effectual whole volume that has dwindled the communication gateway module to be convenient for carry out modular design and dismouting to the communication gateway module, and only need carry out read/write instruction, can carry out comprehensive and accurate operation to the communication gateway module, very big improvement the result of use of communication gateway module.
Drawings
FIG. 1 is a schematic hardware diagram of a communication gateway module of a microbial cultivation detector according to the present invention;
FIG. 2 is a schematic view of the system connection between the middle communication gateway module and the microorganism culture detector 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 communication gateway module of a microbial cultivation detector comprises a single chip, a protection circuit, a power supply adjusting circuit and a CAN communication control circuit:
the single chip microcomputer is respectively connected with the protection circuit, the power supply adjusting circuit and the CAN communication control circuit through wires;
the single chip microcomputer is also respectively connected with a signal transceiver, an impedance matching circuit and a photoelectric isolation circuit.
The singlechip is also connected with watchdog circuit and EMC suppression circuit respectively, and wherein, watchdog circuit plays the effect of preventing running away, and EMC suppression circuit plays the effect of suppressing interference.
The protection circuit has the protection function of overcurrent, overvoltage and overheating.
The impedance matching circuit is used for performing balanced transmission on all high-frequency microwave signals collected by the signal receiving and generating circuit.
The photoelectric isolation circuit is used for isolating the interference source and the part which is easy to be interfered collected on the signal receiving and generating circuit.
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.
Singlechip, protection circuit, power supply adjustment circuit, CAN communication control circuit, signal transceiver, impedance matching circuit, photoelectric isolation circuit, watchdog circuit and EMC suppression circuit all integrate on the PCB board of high accuracy, the operating voltage of this PCB board: DC: 12V-24V, RS232 communication baud rate 115200bpsN81, emission and noise immunity requirements according to GB/T18268, PCB size: 75mm long and 40mm wide, simple/fast control command, intelligent control, high fault tolerance, foolproof user interface, and up to 64 connectable nodes.
The working principle is as follows: an RS232 DB9 interface terminal of the communication gateway module is connected with an upper computer of the microorganism culture detector system; the CAN JP5 interface terminal of the communication gateway module is connected with a plurality of CAN bus type controllers in the microbial culture detector system in parallel;
when the host computer sends a 'sending' command, each CAN bus type controller in the microbial cultivation detector system CAN be controlled, for example: starting/stopping of the stepping motor, setting of the number of revolutions of the stepping motor, state of the hole site indicator lamp, starting/stopping of the temperature controller, setting of temperature and other data;
when the host computer sends a receiving command, the running state of each CAN bus type controller in the microbial cultivation detector system CAN be read, such as: starting/stopping state of the stepping motor, real-time revolution of the stepping motor, real-time data of each hole site, opening and closing state of an instrument door, temperature value and data of fault state.
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 (6)
1. The utility model provides a communication gateway module of detector is cultivateed to microorganism, includes singlechip, protection circuit, power supply adjusting circuit and CAN communication control circuit, its characterized in that:
the single chip microcomputer is respectively connected with the protection circuit, the power supply adjusting circuit and the CAN communication control circuit through wires;
the single chip microcomputer is also respectively connected with a signal transceiver, an impedance matching circuit and a photoelectric isolation circuit.
2. The communication gateway module of claim 1, wherein the communication gateway module comprises: the single chip microcomputer is further respectively connected with a watchdog circuit and an EMC suppression circuit, wherein the watchdog circuit plays a role in preventing running away, and the EMC suppression circuit plays a role in suppressing interference.
3. The communication gateway module of claim 1, wherein the communication gateway module comprises: the protection circuit has the functions of overcurrent, overvoltage and overheat protection.
4. The communication gateway module of claim 1, wherein the communication gateway module comprises: the impedance matching circuit is used for performing balanced transmission on all high-frequency microwave signals collected by the signal receiving and generating circuit.
5. The communication gateway module of claim 1, wherein the communication gateway module comprises: the photoelectric isolation circuit is used for isolating the interference source and the part which is easy to be interfered collected on the signal receiving and generating circuit.
6. The communication gateway module of claim 1, wherein the communication gateway module comprises: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120129946.3U CN214707737U (en) | 2021-01-19 | 2021-01-19 | Communication gateway module of microbial cultivation detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120129946.3U CN214707737U (en) | 2021-01-19 | 2021-01-19 | Communication gateway module of microbial cultivation detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214707737U true CN214707737U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120129946.3U Active CN214707737U (en) | 2021-01-19 | 2021-01-19 | Communication gateway module of microbial cultivation detector |
Country Status (1)
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| CN (1) | CN214707737U (en) |
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2021
- 2021-01-19 CN CN202120129946.3U patent/CN214707737U/en active Active
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