Inter-instrument master-slave communication system
By modularizing the instrument power supply and adopting the method of hosting with multiple slaves, the problem that a single device is difficult to meet the diverse current needs, achieving greater current application scenarios and development cost savings, while ensuring current consistency and safe output.
Patent Information
- Application Number
- CN202411554372.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2024-12-27
AI Technical Summary
Under the trend of intelligent instrument miniaturization, a single device is difficult to meet the diverse current needs, and the existing technology cannot effectively meet the application scenarios of larger currents.
Design a master-slave communication system between instruments, modularizes the instrument power supply, adopts the method of the master with multiple slaves, transmits the source setting value, current control signal, alarm signal and trigger signal through the standard DB15 interface and connection line, and The signal synchronization is ensured through optocoupling isolation.
It realizes application scenarios that meet larger current needs, saves development costs, avoids incorrect connections, ensures that the current of each module is consistent, and achieves safe output by sharing alarm information.
Smart Images
Figure CN119210608A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a master-slave communication system between instruments. Background Art
[0002] With the trend of intelligent and miniaturized instruments, one device often cannot meet various needs. At this time, it is necessary to design a master-slave communication system between instruments to meet application scenarios with greater current requirements. Summary of the invention
[0003] In order to solve the defects of the prior art, the present invention provides a master-slave communication system between instruments, modularizing the instrument power supply, taking one instrument as the host and the other instruments as slaves, one host with multiple slaves, and the output terminal OUT of the previous instrument is connected to the input terminal IN of the next instrument through a connecting line.
[0004] Preferably, the interfaces of the output terminal OUT and the input terminal IN both adopt standard DB15 interfaces, and the input terminal IN is a male connector, and the output terminal OUT is a female connector.
[0005] Preferably, both end connectors of the connecting line adopt standard DB15 connectors, and one end connector is a male connector and the other end connector is a female connector.
[0006] Preferably, the length of the connecting line is 50 cm.
[0007] Preferably, the connecting lines include: a transmission line for transmitting a source setting value downward, a transmission line for transmitting an average current control signal, a transmission line for transmitting an alarm signal, a transmission line for transmitting a switch signal, and a transmission line for transmitting a trigger signal.
[0008] The advantages and beneficial effects of the present invention are: providing a master-slave communication system between instruments, modularizing the instrument power supply, and using a host to carry multiple slaves to meet application scenarios with greater current requirements; this customized approach can save development costs and meet the needs of various customers by stacking a single model.
[0009] The present invention has the following characteristics: The output terminal OUT and the input terminal IN of the present invention are one male and one female, and the two ends of the connecting line are also one male and one female. Such a fool-proof design avoids the possibility of incorrect connection.
[0010] The host of the present invention transmits the source setting value downward, and the slave only acts as a power amplifier.
[0011] The master and slave machines of the present invention have built-in current balancing circuits to ensure that the current of each module is consistent.
[0012] The invention shares alarm information between adjacent instruments, and shuts down output upon receiving the alarm information.
[0013] The instrument interfaces of the present invention are all isolated by optical couplers, and the optical couplers are high-speed optical couplers.
[0014] The host of the present invention transmits the trigger signal downward to ensure synchronization. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of a host with multiple slaves of the present invention; Figure 2 It is a schematic diagram of communication between adjacent instruments of the present invention. DETAILED DESCRIPTION
[0016] The specific implementation of the present invention is further described below in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.
[0017] The technical solutions specifically implemented in the present invention are as follows: like Figure 1 and Figure 2 As shown, the present invention provides a master-slave communication system between instruments, modularizes the instrument power supply, takes one instrument as the master, takes the other instruments as slaves, and one master leads multiple slaves, and the output terminal OUT of the previous instrument is connected to the input terminal IN of the next instrument through a connecting line; The interfaces of the output terminal OUT and the input terminal IN both adopt standard DB15 interfaces, and the input terminal IN is a male connector and the output terminal OUT is a female connector; Both ends of the connecting line adopt standard DB15 connectors, one end of which is a male connector and the other end is a female connector; the length of the connecting line is 50cm; The connecting lines include: a transmission line for transmitting a source setting value downward, a transmission line for transmitting an average current control signal, a transmission line for transmitting an alarm signal, a transmission line for transmitting a switch signal, and a transmission line for transmitting a trigger signal; The master transmits the source setting value downward, and the slave only acts as a power amplifier; The host and slave devices both have built-in current balancing circuits to ensure that the current of each module is consistent; Adjacent instruments share alarm information and shut down output upon receiving alarm information; The instrument interfaces are all isolated by optical couplers, and the optical couplers are high-speed optical couplers; The host transmits a trigger signal downward to ensure synchronization.
[0018] The present invention modularizes the instrument power supply and uses a host to drive multiple slaves to meet application scenarios with greater current requirements. This customized approach can save development costs and meet the needs of various customers by stacking a single model.
[0019] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.
Claims
1. A master-slave communication system between instruments, characterized in that: The power supply of the instrument is modularized, with one instrument as the host and the other instruments as slaves. One host leads multiple slaves, and the output terminal OUT of the previous instrument is connected to the input terminal IN of the next instrument through a connecting line.
2. The master-slave communication system between instruments according to claim 1, characterized in that: The interfaces of the output terminal OUT and the input terminal IN both adopt standard DB15 interfaces, and the input terminal IN is a male connector, and the output terminal OUT is a female connector.
3. The master-slave communication system between instruments according to claim 2, characterized in that: Both ends of the connecting line are standard DB15 connectors, one end of which is a male connector and the other end is a female connector.
4. The master-slave communication system between instruments according to claim 1, characterized in that: The length of the connecting line is 50 cm.
5. The master-slave communication system between instruments according to claim 1, characterized in that: The connecting lines include: a transmission line for transmitting a source setting value downward, a transmission line for transmitting an average current control signal, a transmission line for transmitting an alarm signal, a transmission line for transmitting a switch signal, and a transmission line for transmitting a trigger signal.
6. The master-slave communication system between instruments according to claim 1, characterized in that: The master transmits the source setting value downward, and the slave only acts as a power amplifier.
7. The master-slave communication system between instruments according to claim 1, characterized in that: The host and the slave are both equipped with a current-sharing circuit to ensure that the current of each module is consistent.
8. The master-slave communication system between instruments according to claim 1, characterized in that: Adjacent instruments share alarm information and shut down output when receiving an alarm message.
9. The master-slave communication system between instruments according to claim 1, characterized in that: The instrument interfaces are all isolated by optical couplers, and the optical couplers are high-speed optical couplers.
10. The master-slave communication system between instruments according to claim 1, characterized in that: The host transmits a trigger signal downward to ensure synchronization.