CN216565446U - Circuit of switch - Google Patents
Circuit of switch Download PDFInfo
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- CN216565446U CN216565446U CN202122829094.1U CN202122829094U CN216565446U CN 216565446 U CN216565446 U CN 216565446U CN 202122829094 U CN202122829094 U CN 202122829094U CN 216565446 U CN216565446 U CN 216565446U
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- circuit
- power supply
- control circuit
- switch
- ethernet port
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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Abstract
The utility model discloses a switch circuit, which comprises a first power supply, a second power supply, a switching control circuit, an Ethernet port circuit and an optical module circuit, wherein the first power supply is connected with the second power supply through a first power supply; the first power supply is connected with the first end of the exchange control circuit, the second power supply is connected with the first end of the Ethernet port circuit, the second end of the exchange control circuit is connected with the second end of the Ethernet port circuit, the third end of the exchange control circuit is connected with the optical module circuit, and the third end of the Ethernet port circuit is connected with the optical module circuit; through the arrangement of the first power supply and the second power supply, the exchange control circuit and the Ethernet port circuit can be powered on in a distributed manner, so that the power supply effect can be stable, the power supply current can be smooth, and the effect of reducing current impact on each circuit is realized.
Description
Technical Field
The utility model belongs to the technical field of switches, and particularly relates to a switch circuit.
Background
The coal mine comprehensive automation is the guarantee of high yield, high efficiency and safe production of the coal mine, and the coal mine underground network platform is the basis for realizing the coal mine comprehensive automation. At present, industrial Ethernet is established in many coal mines in China and is used for monitoring underground coal mining equipment and underground environmental parameters.
In the prior art, a hundred-megabyte + gigabit hybrid network mode (hundred-megabyte downlink + gigabit uplink group ring) is mainly adopted; the defects of the existing underground Ethernet switch are mainly reflected in that: data exchange is mainly in a data link layer, the requirement change of power supply voltage is large along with the development of underground communication monitoring technology and the increase of equipment, and the problem that a large impact current is easily caused and each functional circuit is damaged is caused because only a single power supply is used for electrifying.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages of the prior art, an object of the present invention is to provide a switch circuit, which aims to solve the technical problem that a single power supply of the existing switch is easy to cause a large inrush current.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a switch circuit comprises a first power supply, a second power supply, a switch control circuit, an Ethernet port circuit and an optical module circuit;
the first power supply is connected with the first end of the exchange control circuit, the second power supply is connected with the first end of the Ethernet port circuit, the second end of the exchange control circuit is connected with the second end of the Ethernet port circuit, the third end of the exchange control circuit is connected with the optical module circuit, and the third end of the Ethernet port circuit is connected with the optical module circuit.
Furthermore, the device also comprises a first voltage transformation circuit, a second voltage transformation circuit and a third voltage transformation circuit;
the input end of the first voltage transformation circuit is connected with a first power supply, the output end of the first voltage transformation circuit is connected with the exchange control circuit, the input end of the second voltage transformation circuit is connected with the first power supply, the output end of the second voltage transformation circuit is connected with the exchange control circuit, the input end of the third voltage transformation circuit is connected with the first power supply, the first output end of the third voltage transformation circuit is connected with the exchange control circuit, and the second output end of the third voltage transformation circuit is connected with the optical module circuit.
Furthermore, the transformer further comprises a fourth voltage transformation circuit and a fifth voltage transformation circuit;
the input end of the fourth voltage transformation circuit is connected with the second power supply, the output end of the fourth voltage transformation circuit is connected with the Ethernet port circuit, the input end of the fifth voltage transformation circuit is connected with the second power supply, the first output end of the fifth voltage transformation circuit is connected with the Ethernet port circuit, and the second output end of the fifth voltage transformation circuit is connected with the optical module circuit.
Further, the optical module circuit comprises a power supply control circuit and a plurality of interface devices;
the input end of the power supply control circuit is connected with the third end of the exchange control circuit and the third end of the Ethernet port circuit, and the output end of the power supply control circuit is sequentially connected with a plurality of interface devices.
Further, the optical module circuit further comprises a plurality of MOS switches, the MOS switches are arranged between the power supply control circuit and the interface devices, and the MOS switches are in one-to-one correspondence with the interface devices.
Furthermore, the exchange control circuit comprises a power supply circuit, a reset circuit and an exchange chip;
one end of the power supply circuit is connected with the first power supply, the other end of the power supply circuit is connected with the first end of the exchange chip, the second end of the exchange chip is connected with the first end of the reset circuit, and the second end of the reset circuit is connected with the Ethernet port circuit.
Further, the Ethernet interface circuit is connected with the external sub-equipment through the optical module circuit.
Further, the exchange control circuit is connected with the external terminal equipment through the optical module circuit.
Furthermore, the optical module further comprises a DDM read-write circuit, and the DDM read-write circuit is connected with the optical module circuit.
Further, the LED circuit is further included and is connected with the fourth end of the exchange control circuit.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a switch circuit, which comprises a first power supply, a second power supply, a switching control circuit, an Ethernet port circuit and an optical module circuit, wherein the first power supply is connected with the second power supply; the first power supply is connected with the first end of the exchange control circuit, the second power supply is connected with the first end of the Ethernet port circuit, the second end of the exchange control circuit is connected with the second end of the Ethernet port circuit, the third end of the exchange control circuit is connected with the optical module circuit, and the third end of the Ethernet port circuit is connected with the optical module circuit; through the arrangement of the first power supply and the second power supply, the exchange control circuit and the Ethernet port circuit can be powered on in a distributed manner, so that the power supply effect can be stable, the power supply current can be smooth, and the effect of reducing current impact on each circuit is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of a switch circuit according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a switch circuit according to another embodiment of the present invention;
FIG. 3 is a schematic diagram of a switch circuit according to another embodiment of the present invention;
fig. 4 is a schematic diagram of a switch circuit according to another embodiment of the present invention.
Description of reference numerals:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | A |
52 | Interface device |
| 2 | |
53 | |
| 3 | Switching control circuit | 6 | First voltage transformation circuit |
| 31 | |
7 | Second voltage transformation circuit |
| 32 | |
8 | Third |
| 33 | Reset circuit | 9 | Fourth |
| 4 | |
10 | |
| 5 | |
11 | DDM read- |
| 51 | Power |
12 | LED circuit |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides a switch circuit, which includes a first power supply 1, a second power supply 2, a switch control circuit 3, an ethernet port circuit 4, and an optical module circuit 5;
the first power supply 1 is connected with a first end of the switching control circuit 3, the second power supply 2 is connected with a first end of the Ethernet port circuit 4, a second end of the switching control circuit 3 is connected with a second end of the Ethernet port circuit 4, a third end of the switching control circuit 3 is connected with the optical module circuit 5, and a third end of the Ethernet port circuit 4 is connected with the optical module circuit 5.
In particular, in the present embodiment, the first power supply 1 and the power supply both realize wide voltage input, the power of the tera switch chip 31 in the switch control circuit 3 is relatively large, and the power consumption of the PHY chips in the plurality of optical module circuits 5 and the ethernet port circuit 4 is also relatively large, therefore, in order to solve the problem of the total power consumption of the system, the present embodiment adopts a dual-path wide-voltage power supply of the first power supply 1 and the second power supply 2, wherein, the input voltage of the first power supply 1 and the second power supply 2 is 12-48V, the first power supply 1 supplies power for the exchange control circuit 3, the second power supply 2 supplies power for the Ethernet port circuit 4, which can realize distributed power-on, that is, the switching control circuit 3 is powered on first and then the ethernet port circuit 4 is powered on, compared with the situation that all circuits are powered on at one time, the impact current is greatly reduced, and the effect of preventing each circuit from being damaged by the impact current is realized.
Further, referring to fig. 2, the transformer further includes a first transformer circuit 6, a second transformer circuit 7, and a third transformer circuit 8;
the input end of the first voltage transformation circuit 6 is connected with the first power supply 1, the output end of the first voltage transformation circuit 6 is connected with the switching control circuit 3, the input end of the second voltage transformation circuit 7 is connected with the first power supply 1, the output end of the second voltage transformation circuit 7 is connected with the switching control circuit 3, the input end of the third voltage transformation circuit 8 is connected with the first power supply 1, the first output end of the third voltage transformation circuit 8 is connected with the switching control circuit 3, and the second output end of the third voltage transformation circuit 8 is connected with the optical module circuit 5.
Specifically, in this embodiment, the first voltage transformation circuit 6, the second voltage transformation circuit 7, and the third voltage transformation circuit 8 are all DC voltage reduction circuits, the voltage input by the first power supply is 12-48V, the voltage of the first voltage transformation circuit 6 is reduced to 8V by the DCDC power supply chip, the voltage of the second voltage transformation circuit 7 is reduced to 1.5V by the DCDC power supply chip, and the voltage of the third voltage transformation circuit 8 is reduced to 1V by the DCDC power supply chip as a first output end, which are all used for supplying power to the switching control circuit 3; the third voltage transformation circuit 8 is stepped down to 3.3V by a DCDC power supply chip and serves as a second output end for supplying power to the optical module circuit 5; the first voltage transformation circuit 6, the second voltage transformation circuit 7 and the third voltage transformation circuit 8 are arranged to output a plurality of working voltages to the switching control circuit 3, so that the switching control circuit 3 can obtain different working voltages according to different working modes.
Further, referring to fig. 3, a fourth voltage transformation circuit 9 and a fifth voltage transformation circuit 10 are further included;
the input end of the fourth voltage transformation circuit 9 is connected with the second power supply 2, the output end of the fourth voltage transformation circuit 9 is connected with the ethernet port circuit 4, the input end of the fifth voltage transformation circuit 10 is connected with the second power supply 2, the first output end of the fifth voltage transformation circuit 10 is connected with the ethernet port circuit 4, and the second output end of the fifth voltage transformation circuit 10 is connected with the optical module circuit 5.
Specifically, in this embodiment, the fourth transformer circuit 9 and the fifth transformer circuit 10 are both DC voltage dropping circuits, the voltage input by the second power supply 2 is 12-48V, the voltage of the fourth transformer circuit 9 is dropped to 8V by the DCDC power chip and is output to the ethernet port circuit 4, the voltage of the fifth transformer circuit 10 is dropped to 1V by the DCDC power chip and is output to the ethernet port circuit 4 as the first output end, and the voltage of the fifth transformer circuit 10 is dropped to 3.3V by the DCDC power chip and is output to the optical module circuit 5 as the second output end; by arranging the fourth voltage transformation circuit 9 and the fifth voltage transformation circuit 10, a plurality of working voltages can be output to the ethernet port circuit 4, so that the ethernet port circuit 4 can obtain different working voltages according to different working modes.
Further, referring to fig. 4, the light module circuit 5 includes a power supply control circuit 51 and several interface devices 52;
the input end of the power supply control circuit 51 is connected with the third end of the switching control circuit 3 and the third end of the ethernet port circuit 4, and the output end of the power supply control circuit 51 is sequentially connected with a plurality of interface devices 52.
Further, the ethernet port circuit 4 is connected to an external sub-device through the optical module circuit 5.
Further, the switching control circuit 3 is connected to an external terminal device through the optical module circuit 5.
Specifically, the interface device 52 in this embodiment includes a tera port, a gigabit optical port, and a gigabit electrical port, and the switching control circuit 3 is used as an upper core board, such as a tera switching core board, and 4 tera ports are provided to connect with the switching control circuit 3 to form an upstream port of the switch; the Ethernet port circuit 4 is used as a lower layer function board, such as an Ethernet port function board, and 8 gigabit optical ports, 8 gigabit electric ports and the Ethernet port circuit 4 are arranged to form a downlink communication port, so that data of the underground substation and the sub-system are collected into a gigabit Ethernet, and the Ethernet port circuit 4 is mainly used for collecting lower layer information data and transmitting the lower layer information data to an external terminal equipment center through a gigabit uplink port.
Further, the optical module circuit 5 further includes a plurality of MOS switches 53, the MOS switches 53 are disposed between the power supply control circuit 51 and the interface device 52, and the MOS switches 53 correspond to the interface device 52 one to one.
Specifically, in this embodiment, the switch control circuit 3 and the ethernet port circuit 4 are both connected to the optical module circuit 5, so that control over each interface device 52 is performed according to the connected circuit, the optical module circuit 5 is controlled by the processor in the switch control circuit 3 and the ethernet port circuit 4, the MOS switch 53 is driven by the IO pin of the processor to sequentially power on the optical module circuit 5, for example, after the switch control circuit 3 is powered on and initialized, the optical module circuit 5 is connected to the optical module circuit 5 by the GPIO pin of the CPU and sends a control signal to the power supply control circuit 51 to power on the optical module circuit 5 one by one, so that step-by-step power on can be implemented, and the impact current to the intrinsically safe power supply is reduced.
Further, the switching control circuit 3 includes a power supply circuit 32, a reset circuit 33, and a switching chip 31;
one end of the power supply circuit 32 is connected to the first power supply 1, the other end of the power supply circuit 32 is connected to the first end of the switching chip 31, the second end of the switching chip 31 is connected to the first end of the reset circuit 33, and the second end of the reset circuit 33 is connected to the ethernet port circuit 4.
Specifically, in this embodiment, the switching chip 31 is a gigabit switching chip 31, the gigabit switching chip 31 is used for data exchange and transmission, the power supply circuit 32 is used for connecting a power supply to the switching chip 31, so as to perform power supply and protection effects on the switching chip 31, and meanwhile, the power supply circuit 32 can also be connected to the ethernet port circuit 4, so as to perform power supply and protection effects on the ethernet port circuit 4; the reset circuit 33 is used to provide the reset function of the ethernet port circuit 4-bit and the switch chip 31.
More specifically, the switching control circuit 3 further includes a clock circuit, a memory circuit, and a flash memory circuit, and the clock circuit, the memory circuit, and the flash memory circuit are all connected to the switching chip 31; the clock circuit is used to provide timing function, and the memory circuit and the flash memory circuit are used to provide memory function.
Further, the ethernet port circuit 4 includes a PHY chip, and the PHY is used as a processor unit for processing and integrating the acquired lower layer data, sending the processed lower layer data to the switching control circuit 3, and transmitting the processed lower layer data to the external terminal equipment center through the switching control circuit 3.
Furthermore, the optical module further comprises a DDM read-write circuit 11, and the DDM read-write circuit 11 is connected with the optical module circuit 5.
Specifically, the DDM read/write circuit 11 in this embodiment includes a digital diagnostic module, and the digital diagnostic module is used for fault diagnosis to provide a performance monitoring means for the system, and can help the system manage and predict the service life of the optical module, isolate the system fault, and verify the compatibility of the module during field installation, so that the working mode of the optical module is identified by the DDM read/write circuit 11, and the switching port is actively configured to adapt to the speed of the optical module.
Further, an LED circuit 12 is included, and the LED circuit 12 is connected to the fourth terminal of the switching control circuit 3.
Specifically, the LED circuit 12 in this embodiment includes a plurality of LED lamps, the LED circuit 12 is electrically connected to the switching control circuit 3, the switching control circuit 3 sends display information to the LED circuit 12 according to the current state, the LED circuit 12 controls the LED lamps to perform corresponding display according to the display information, for example, display such as blinking, display of different colors, and display of normally on, and the current state of the switching control circuit 3 can be quickly observed through the display of the LED lamps.
It should be noted that other contents of the switch circuit disclosed in the present invention can be referred to in the prior art, and are not described herein again.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, it should be noted that the descriptions related to "first", "second", etc. in the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A switch circuit is characterized by comprising a first power supply, a second power supply, a switch control circuit, an Ethernet port circuit and an optical module circuit;
the first power supply is connected with a first end of the switching control circuit, the second power supply is connected with a first end of the Ethernet port circuit, a second end of the switching control circuit is connected with a second end of the Ethernet port circuit, a third end of the switching control circuit is connected with the optical module circuit, and a third end of the Ethernet port circuit is connected with the optical module circuit.
2. The switch circuit of claim 1, further comprising a first transformation circuit, a second transformation circuit, and a third transformation circuit;
the input end of the first voltage transformation circuit is connected with the first power supply, the output end of the first voltage transformation circuit is connected with the exchange control circuit, the input end of the second voltage transformation circuit is connected with the first power supply, the output end of the second voltage transformation circuit is connected with the exchange control circuit, the input end of the third voltage transformation circuit is connected with the first power supply, the first output end of the third voltage transformation circuit is connected with the exchange control circuit, and the second output end of the third voltage transformation circuit is connected with the optical module circuit.
3. The switch circuit of claim 1, further comprising a fourth transformation circuit and a fifth transformation circuit;
the input end of the fourth voltage transformation circuit is connected with the second power supply, the output end of the fourth voltage transformation circuit is connected with the Ethernet port circuit, the input end of the fifth voltage transformation circuit is connected with the second power supply, the first output end of the fifth voltage transformation circuit is connected with the Ethernet port circuit, and the second output end of the fifth voltage transformation circuit is connected with the optical module circuit.
4. The switch circuit of claim 1, wherein the light module circuit comprises a power control circuit and a number of interface devices;
the input end of the power supply control circuit is connected with the third end of the exchange control circuit and the third end of the Ethernet port circuit, and the output end of the power supply control circuit is sequentially connected with the plurality of interface devices.
5. The switch circuit of claim 4, wherein the optical module circuit further comprises a plurality of MOS switches, the MOS switches are disposed between the power supply control circuit and the interface device, and the MOS switches are in one-to-one correspondence with the interface device.
6. The switch circuit according to claim 1, wherein the switch control circuit comprises a power supply circuit, a reset circuit, and a switch chip;
one end of the power supply circuit is connected with the first power supply, the other end of the power supply circuit is connected with the first end of the exchange chip, the second end of the exchange chip is connected with the first end of the reset circuit, and the second end of the reset circuit is connected with the Ethernet port circuit.
7. The switch circuit of claim 1, wherein the ethernet port circuit is coupled to an external sub-device via the optical module circuit.
8. The switch circuit of claim 1, wherein the switch control circuit is coupled to an external terminal device via the optical module circuit.
9. The switch circuit of claim 1, further comprising a DDM read-write circuit, the DDM read-write circuit connected to the optical module circuit.
10. The switch circuit of claim 1, further comprising an LED circuit connected to the fourth terminal of the switch control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122829094.1U CN216565446U (en) | 2021-11-16 | 2021-11-16 | Circuit of switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122829094.1U CN216565446U (en) | 2021-11-16 | 2021-11-16 | Circuit of switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216565446U true CN216565446U (en) | 2022-05-17 |
Family
ID=81573714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122829094.1U Active CN216565446U (en) | 2021-11-16 | 2021-11-16 | Circuit of switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216565446U (en) |
-
2021
- 2021-11-16 CN CN202122829094.1U patent/CN216565446U/en active Active
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