CN202931339U - Device for controlling power supply of power supply equipment - Google Patents
Device for controlling power supply of power supply equipment Download PDFInfo
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- CN202931339U CN202931339U CN 201220574118 CN201220574118U CN202931339U CN 202931339 U CN202931339 U CN 202931339U CN 201220574118 CN201220574118 CN 201220574118 CN 201220574118 U CN201220574118 U CN 201220574118U CN 202931339 U CN202931339 U CN 202931339U
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Abstract
The utility model discloses a device for controlling the power supply of power supply equipment. The device for controlling the power supply of the power supply equipment comprises a PSE (power supply equipment) equipment external button, a power supply system, and a control system. The PSE equipment external button generates interrupt signals and reports the interrupt signals to the control system. The power supply system executes detection and classification operations, and carries out power supply operation on a legitimate PD (power device) based on a power supply instruction sent by the control system. The power supply system comprises a PSE chip and at least one PD connected with the PSE chip. The control system monitors the state of the PSE chip in real time, and sends the power supply instruction to a corresponding PSE port based on the received interrupt signals after the detection and classification are completed. With the device of the utility model, the input of complex control instructions can be avoided, the operability of users is improved, and the fault positioning is convenient.
Description
Technical Field
The utility model relates to a power over ethernet technique, in particular to device of control power supply unit power supply.
Background
With the promulgation of the ieee802.3at standard, the Power Over Ethernet (POE) technology is becoming mature. Network Equipment with Power Sourcing Equipment (PSE) function can Supply Power for more and more IP-based terminals, such as IP phones, wireless local area network Access Points (APs), webcams, and the like, while transmitting data signals, which also makes Power Devices (PDs) with POE Power receiving function develop rapidly.
According to the ieee802.3af standard promulgated in 2003 and the ieee802.3at standard promulgated in 2009, the whole working process of the PSE mainly comprises the following steps: detection (Detection), Classification (Classification), Power Supply (PS), disconnection Detection (MPS), etc. Wherein, the PSE can perform power-on operation only after the PSE has to complete the detection and classification processes correctly and completely; and in the power-on process, the disconnection detection step is also carried out simultaneously.
At present, almost all PSE chip manufacturers have the following three modes for realizing the whole working process of the PSE: automatic mode, semi-automatic mode and manual mode.
Specifically, the automatic mode is: the PSE chip automatically finishes the processes of detection, classification and electrification, and a Control system such as a Central Processing Unit (CPU) or a Micro Control Unit (MCU) of the system is not required to Control; that is, after the detection and classification steps are completed, the PSE chip is automatically powered up to power a legitimate PD, which generally refers to a PD with a resistance in the range of 19K to 26.5K.
The semi-automatic mode is: the PSE chip automatically completes the detection and classification steps, and the power-on step is controlled by a control system such as a CPU or an MCU through an instruction; that is, after the detection and classification steps are completed, the PSE chip is controlled to supply power to the legitimate PD by instructions under the control system.
The manual mode is: the whole process of the PSE chip is controlled by a control system such as a CPU or an MCU through instructions, and each step needs the intervention of the control system; that is to say, the control system firstly controls the PSE chip to start the detection function through an instruction; after the detection is finished, the control system starts the classification function of the PSE chip; after the classification function is finished, the control system sends an instruction to control the PSE chip to supply power to the legal PD.
Most PSEs are semi-automatic like PSE switches and the like at present, detection and classification operation are automatically completed by PSE chips, and after the two steps are completed, a CPU or MCU of a system issues an instruction to control the PSE chips to supply power for legal PDs. However, issuing an instruction to the CPU or MCU requires a technician to face the console and input a complicated control command on the console, which reduces user operability and is inconvenient for user management; in addition, it cannot be known quickly which stage the POE power supply process is in, which is inconvenient for locating the fault and low in maintainability of the equipment.
SUMMERY OF THE UTILITY MODEL
In view of this, the main objective of the present invention is to provide a device for controlling power supply of a power supply device, which can avoid inputting complicated control commands and improve user operability.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a device of control power supply unit power supply, the device includes:
generating an interrupt signal and reporting the interrupt signal to an external button of PSE equipment of a control system;
the power supply system executes detection grading operation and performs power-on operation on a legal PD according to a power supply command sent by the control system; the power supply system comprises a PSE chip and at least one PD connected with the PSE chip;
and the control system monitors the state of the PSE chip in real time and sends a power supply command to a corresponding PSE port in the PSE chip according to the received interrupt signal after detection classification is finished.
In the above scheme, the power supply system further includes: the POE state indicator lamp indicates each state of the POE power supply process;
the POE state indicator lamp is connected with the PSE chip; the POE status indicator lamp comprises a yellow lamp and a green lamp;
correspondingly, the control system is also used for controlling the POE state indicator lamp through a corresponding PSE port in the PSE chip.
In the above scheme, each PD corresponds to a POE status indicator lamp; and each POE state indicator lamp is connected with one PSE port of the PSE chip.
In the above scheme, the number of times that the external button of the PSE device is continuously pressed is equal to the serial number of the PSE port.
The utility model provides a device of control power supply unit power supply is provided with PSE equipment outside button, and accessible PSE equipment outside button controls the PSE chip to inserting arbitrary legal PD power supply on the PSE port, so, can avoid the user to pass through the loaded down with trivial details complicated control command of control cabinet input, only need simple convenient operation can accomplish PSE power supply function, increased PSE's maneuverability.
And, the device still is provided with POE state pilot lamp, and accessible control system is to the setting of the POE state pilot lamp that the corresponding PSE port of PSE chip corresponds, makes the user know in real time which stage the POE power supply process that the PD that corresponding PSE port corresponds is in, and then the location of the trouble of being convenient for increases the maintainability of equipment.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic diagram of the physical connections of the present invention;
fig. 3 is a schematic flow chart of the implementation method of the present invention.
Detailed Description
In order to understand the features and technical contents of the present invention in more detail, the following description is given to the implementation of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the structure of the present invention, and as shown in fig. 1, the device includes a control system 11, a power supply system 12 and a PSE device external button 13; further, the power supply system 12 includes a PSE chip 121 and at least one PD 122; wherein,
the control system 11 is configured to monitor the state of the PSE chip 121 in real time, and after detection and classification are completed, send a power supply command to a corresponding PSE port in the PSE chip 121 according to a received interrupt signal of the PSE device external button 13;
here, the control system 11 will detect whether an interrupt signal of the PSE device external button 13 is received in real time to determine whether the PSE device external button 13 is pressed.
The power supply system 12 is configured to perform detection and classification operations, and perform a power-on operation on a legal PD 122 according to a power supply command sent by the control system 11;
here, the power supply system 12 also performs a disconnection detection function during the power-on process, and specifically includes: the PSE chip detects whether the PD is legal, and when the PD is legal, the PSE chip 121 normally supplies power to the PD; when the PD is an illegal PD, the PSE chip does not supply power to the PD; the PSE chip can detect the PD connected with the PSE port in the PSE chip by using 12/36 wire pairs or 45/78 wires according to the IEEE802.3at/af standard.
The power supply system 12 further includes a POE status indicator lamp 123, configured to indicate each status of the POE power supply process; the POE state indicator light 123 is controlled by the control system 11, and can adopt two-color lights, including a yellow light and a green light;
the control system 11 controls the on/off of a POE state indicator lamp corresponding to the PSE port by sending a control command to the corresponding PSE port in the PSE chip; the POE status indicator lamp comprises three states: the yellow light is on to indicate a waiting power-on state, the green light is on to indicate a power-on state, and neither the yellow light nor the green light is on to indicate a non-power-on state.
Specifically, after the steps of detecting and classifying are normally completed, the control system 11 controls the POE state indicator lamp 123 to light a yellow light; if the detection and classification do not pass, the control system 11 will not light the POE status indicator lamp 123; after the detection and classification pass, if the control system 11 receives an interrupt signal given by the external button 13 of the PSE device, it will send a power supply command to the corresponding PSE port in the PSE chip 121, and at the same time, it will light the green light of the POE state indicator light 123 corresponding to the PSE port.
The PSE device external button 13 is configured to generate an interrupt signal when being pressed and report the interrupt signal to the control system 11, so that the control system 11 sends a control command for supplying power to the PD 122 to the PSE chip 121.
Fig. 2 is a schematic diagram of the physical connection relationship between the components according to the present invention, in fig. 2, the PSE chip 121 firstly performs detection and classification operations on the PD inserted into the PSE port 21; if the two steps of detection and classification can be normally finished, namely: recognizing that the device to be powered is a legal PD and allocating a correct grade for the PD, the PSE chip 121 reports the POE state to the control system 11, the control system 11 receives the reported state information and then transmits a control signal, the yellow light of the POE state indicator light 123 corresponding to the corresponding PSE port in the PSE chip 121 is turned on, and the PSE chip 121 is enabled to enter a state to be powered. At this time, if the PSE device external button 13 generates an interrupt signal, the control system 11 sends a power supply command to the corresponding PSE port 21 according to the received interrupt signal; meanwhile, the green light of the POE status indicator light 123 corresponding to the PSE port 21 is turned on. Further, the PSE chip 121 supplies power to a legitimate PD through the twisted pair 22 connected between the PSE port 21 and the corresponding PD.
Here, each PD corresponds to a POE status indicator light, and each POE status indicator light is a two-color light composed of a yellow light and a green light; and each POE state indicator lamp is connected with one PSE port of the PSE chip.
When there are a plurality of PDs, continuously pressing external buttons of the PSE equipment, and switching one PSE port every time pressing, namely: the number of times that an external button of the PSE equipment is continuously pressed is equal to the serial number of the PSE port; when the PSE port corresponding to the to-be-powered PD is pressed, the external button of the PSE equipment is released, the external button of the PSE equipment is not continuously pressed for a period of time, the PSE port is considered to be selected, power supply for the PD corresponding to the selected PSE port is determined, and the external button of the PSE equipment generates an interrupt signal. Wherein, the period of time can be set according to actual needs and the pressing frequency of the button, such as: typically the frequency of the pressing is once in 2 seconds, and may be set to be greater than 15 seconds for non-pressing to consider the PSE port selected, etc.
Based on the above device, fig. 3 is a schematic flow diagram of the implementation method of the present invention, as shown in fig. 3, the method includes:
step 301: when the PD to be powered on is connected to the corresponding PSE port of the PSE chip, the PSE chip detects and classifies the PD to be powered on.
Step 302: the PSE chip judges whether the detection classification result is valid, if the detection classification result is valid, step 303 is executed; if the classification result is not valid, the step 301 is returned to.
Here, the valid detection classification result means that the PD to be powered on is a legal PD and a correct grade is allocated to the PD; the detection classification result is invalid, namely that the PD to be powered on is an illegal PD or the classification result of the PD is incorrect;
step 303: the control system lights a POE state indicating lamp yellow lamp corresponding to the corresponding PSE port and controls the PSE chip to enter a state to be powered.
Step 304: judging whether the control system receives an interrupt signal reported by an external button of the PSE equipment, if so, executing a step 305; if not, returning to step 303, and keeping the PSE chip in a state of waiting for power supply;
here, the control system may detect an interrupt signal reported by an external button of the PSE device in real time; correspondingly, when the control system does not receive the interrupt signal reported by the external button of the PSE device, the control system does not send a power supply command to any PSE port of the PSE chip, only queries the state of the PSE chip in real time, and the PSE chip is always in a state to be powered; when the control system receives an interrupt signal reported by an external button of the PSE device, the next step 305 is executed.
Step 305: the control system sends a power supply command to a PSE port corresponding to the PSE chip according to the received interrupt signal, and lights a green light of a POE state indicator light corresponding to the PSE port;
specifically, selecting a PSE port corresponding to a to-be-powered PD is that one PSE port is switched every time when an external button of the PSE device is continuously pressed, when the external button of the PSE device is pressed, the external button of the PSE device is released, the external button of the PSE device is not continuously pressed for a period of time, the PSE port is considered to be selected, and power supply is determined to be supplied to the PD corresponding to the PSE port; after selecting the PSE port, the control system can send a power supply command to the corresponding PSE port of the PSE chip and light a green light of a POE state indicator lamp corresponding to the PSE port.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (4)
1. An apparatus for controlling power supplied from a power supply device, the apparatus comprising:
generating an interrupt signal and reporting the interrupt signal to an external button of PSE equipment of a control system;
the power supply system executes detection grading operation and performs power-on operation on a legal PD according to a power supply command sent by the control system; the power supply system comprises a PSE chip and at least one PD connected with the PSE chip;
and the control system monitors the state of the PSE chip in real time and sends a power supply command to a corresponding PSE port in the PSE chip according to the received interrupt signal after detection classification is finished.
2. The apparatus of claim 1, wherein the power supply system further comprises: the POE state indicator lamp indicates each state of the POE power supply process;
the POE state indicator lamp is connected with the PSE chip; the POE status indicator lamp comprises a yellow lamp and a green lamp;
correspondingly, the control system is also used for controlling the POE state indicator lamp through a corresponding PSE port in the PSE chip.
3. The apparatus of claim 2, wherein each PD corresponds to a POE status indicator light; and each POE state indicator lamp is connected with one PSE port of the PSE chip.
4. The apparatus of claim 1, 2 or 3, wherein the PSE device external button is continuously pressed a number of times equal to a PSE port number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574118 CN202931339U (en) | 2012-11-02 | 2012-11-02 | Device for controlling power supply of power supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574118 CN202931339U (en) | 2012-11-02 | 2012-11-02 | Device for controlling power supply of power supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202931339U true CN202931339U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220574118 Expired - Fee Related CN202931339U (en) | 2012-11-02 | 2012-11-02 | Device for controlling power supply of power supply equipment |
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| CN (1) | CN202931339U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303342A (en) * | 2015-05-14 | 2017-01-04 | 杭州海康威视数字技术股份有限公司 | A kind of power supply circuits based on supply power coaxially technology |
| CN106787619A (en) * | 2015-07-06 | 2017-05-31 | 硅实验室股份有限公司 | It is configured to the electrical equipment of the POE of low duty cycle operation |
| CN108347802A (en) * | 2018-01-17 | 2018-07-31 | 昂宝电子（上海）有限公司 | Utilize the multiplex circuit system of signal wire time sharing transmissions signal and electric energy |
| CN115396243A (en) * | 2022-10-27 | 2022-11-25 | 武汉思创易控科技有限公司 | PoE power supply control method, storage medium and terminal |
-
2012
- 2012-11-02 CN CN 201220574118 patent/CN202931339U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303342A (en) * | 2015-05-14 | 2017-01-04 | 杭州海康威视数字技术股份有限公司 | A kind of power supply circuits based on supply power coaxially technology |
| CN106303342B (en) * | 2015-05-14 | 2022-11-22 | 杭州海康威视数字技术股份有限公司 | Power supply circuit based on coaxial power supply technology |
| CN106787619A (en) * | 2015-07-06 | 2017-05-31 | 硅实验室股份有限公司 | It is configured to the electrical equipment of the POE of low duty cycle operation |
| CN106787619B (en) * | 2015-07-06 | 2019-09-03 | 硅实验室股份有限公司 | It is configured to the electrical equipment of the Power over Ethernet of low duty cycle operation |
| CN108347802A (en) * | 2018-01-17 | 2018-07-31 | 昂宝电子（上海）有限公司 | Utilize the multiplex circuit system of signal wire time sharing transmissions signal and electric energy |
| CN108347802B (en) * | 2018-01-17 | 2021-07-20 | 昂宝电子（上海）有限公司 | Multiplexing circuit system for transmitting signals and electric energy in time-sharing mode by utilizing signal lines |
| CN115396243A (en) * | 2022-10-27 | 2022-11-25 | 武汉思创易控科技有限公司 | PoE power supply control method, storage medium and terminal |
| CN115396243B (en) * | 2022-10-27 | 2023-03-14 | 武汉思创易控科技有限公司 | PoE power supply control method, storage medium and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20191102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |