CN111398652A - Test device and power test system - Google Patents
Test device and power test system Download PDFInfo
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- CN111398652A CN111398652A CN201910001706.2A CN201910001706A CN111398652A CN 111398652 A CN111398652 A CN 111398652A CN 201910001706 A CN201910001706 A CN 201910001706A CN 111398652 A CN111398652 A CN 111398652A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
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Abstract
The invention provides a testing device, which is arranged between a power supply device and a power receiving end electronic device and is used for detecting at least one voltage value and at least one current value of electric energy supplied to the power receiving end electronic device by the power supply device, and the testing device comprises: a first connector; the second connector is electrically connected with the first connector through a power transmission circuit, wherein the power supply device transmits the electric energy to the power receiving end electronic device through the first connector, the power transmission circuit and the second connector of the testing device; and the detection module is electrically connected with the power transmission circuit and is used for detecting the voltage value of the electric energy transmitted by the power transmission circuit.
Description
Technical Field
The present invention relates to a testing device, and more particularly, to a testing device for power over ethernet that does not interfere with communication and power transmission between a power supply device and a power receiving terminal electronic device.
Background
The conventional power over ethernet testing device, which is disposed between the power supply device and the power receiving terminal electronic device, may hinder the communication between the power supply device and the power receiving terminal electronic device. Power transmission is also a problem as communication is obstructed.
Some solutions utilize the testing device as a communication medium to communicate with the power supply device first, so that the power supply device provides power in advance. Then, the electric energy is transmitted to the receiving-end electronic device. However, the power at this time is not the power specification suitable for the power receiving-end electronic device.
Therefore, it is an important issue in the industry to provide a testing device that does not interfere with communication and power transmission between the power supply device and the power receiving electronic device.
Disclosure of Invention
The invention discloses a testing device, which is arranged between a power supply device and a power receiving end electronic device and is used for detecting at least one voltage value and at least one current value of electric energy supplied to the power receiving end electronic device by the power supply device, and the testing device is characterized by comprising: a first connector; a second connector; a first power direction control circuit electrically connected to the first connector; a second power direction control circuit electrically connected to the first power direction control circuit through a power transmission circuit, the second power direction control circuit being electrically connected to the second connector, wherein the power supply device transmits the electric energy to the power receiving-end electronic device through the first connector, the first power direction control circuit, the power transmission circuit, the second power direction control circuit, and the second connector of the testing device; and the detection module is electrically connected with the power transmission circuit and detects the transmission of the power transmission circuit.
Preferably, the power supply device communicates with the power receiving-side electronic device through the first connector, the first power direction control circuit, the power transmission circuit, the second power direction control circuit, and the second connector of the test device.
Preferably, the detection module comprises: a voltage detection unit for detecting the voltage value of the electric energy in an induction manner; a current detection unit for detecting the current value of the electric energy; and the processing unit is used for calculating a power value of the electric energy according to the voltage value detected by the voltage detection unit and the current value detected by the current detection unit.
Preferably, the method further comprises the following steps: the voltage value, the current value and the power value detected by the detection module are displayed on the display module; the first connector and the second connector are arranged on at least one side of the shell; wherein the first power direction control circuit, the second power direction control circuit, and the detection module are disposed in the housing; wherein the display module is disposed at one side of the housing.
Preferably, the first connector and the second connector are disposed on two adjacently disposed sides of the housing or on two oppositely disposed sides of the housing.
Preferably, the first power direction control circuit and the second power direction control circuit are a bidirectional conduction control circuit or a unidirectional conduction control circuit, respectively.
The invention discloses a power test system, which is characterized by comprising: a power supply device; a power receiving terminal electronic device; the testing device is arranged between the power supply device and the power receiving end electronic device, the power supply device is connected with the testing device through a first network line, and the power receiving end electronic device is connected with the testing device through a second network line; the power supply device communicates with the power receiving end electronic device through the test device to obtain power supply information, and the power supply device provides electric energy to the power receiving end electronic device through the test device according to the power supply information; the testing device detects a voltage value of the electric energy in an induction mode.
Preferably, the testing device includes a first connector and a second connector, and the power supply device and the power receiving-end electronic device are respectively connected to the first connector and the second connector of the testing device for communication and power supply.
Preferably, the power supply device and the power receiving terminal electronic device are respectively connected with the second connector and the first connector of the testing device to perform communication and provide power.
Preferably, the test apparatus further comprises: a first power direction control circuit electrically connected to the first connector; a second power direction control circuit electrically connected to the first power direction control circuit through a power transmission circuit, the second power direction control circuit being electrically connected to the second connector, wherein the power supply device transmits the electric energy to the power receiving-side electronic device through the first connector, the first power direction control circuit, the power transmission circuit, the second power direction control circuit, and the second connector of the testing device or communicates with the power receiving-side electronic device; and the detection module is electrically connected with the power transmission circuit and detects the electric energy transmitted by the power transmission circuit.
Preferably, the detection module comprises: a voltage detection unit for detecting the voltage value of the electric energy in an induction manner; a current detection unit for detecting the current value of the electric energy; and the processing unit is used for calculating a power value of the electric energy according to the voltage value detected by the voltage detection unit and the current value detected by the current detection unit.
Preferably, the test apparatus further comprises: the voltage value, the current value and the power value detected by the detection module are displayed on the display module; the first connector and the second connector are arranged on at least one side of the shell; wherein the first power direction control circuit, the second power direction control circuit, and the detection module are disposed in the housing; wherein the display module is disposed at one side of the housing.
Preferably, the first connector and the second connector are disposed on two adjacently disposed sides of the housing or on two oppositely disposed sides of the housing.
Preferably, the first power direction control circuit and the second power direction control circuit are a bidirectional conduction control circuit or a unidirectional conduction control circuit, respectively.
The invention discloses a testing device, which is arranged between a power supply device and a power receiving end electronic device and is used for detecting at least one voltage value and at least one current value of electric energy supplied to the power receiving end electronic device by the power supply device, and the testing device is characterized by comprising: a first connector; the second connector is electrically connected with the first connector through a power transmission circuit, wherein the power supply device transmits the electric energy to the power receiving end electronic device through the first connector, the power transmission circuit and the second connector of the testing device; and the detection module is electrically connected with the power transmission circuit and detects the electric energy transmitted by the power transmission circuit.
Preferably, the method further comprises the following steps: a first power direction control circuit electrically connected to the first connector; and a second power direction control circuit, through power transmission circuit electric connection the first power direction control circuit, second power direction control circuit electric connection the second connector, wherein, power supply unit passes through testing arrangement the first connector, first power direction control circuit, power transmission circuit, second power direction control circuit, and the second connector transmits the electric energy to the receiving end electron device, or with the receiving end electron device communicates.
Preferably, the detection module comprises: a voltage detection unit for detecting the voltage value of the electric energy in an induction manner; a current detection unit for detecting the current value of the electric energy; and the processing unit is used for calculating a power value of the electric energy according to the voltage value detected by the voltage detection unit and the current value detected by the current detection unit.
Preferably, the method further comprises the following steps: the voltage value, the current value and the power value detected by the detection module are displayed on the display module; the first connector and the second connector are arranged on at least one side of the shell; wherein the first power direction control circuit, the second power direction control circuit, and the detection module are disposed in the housing; wherein the display module is disposed at one side of the housing.
Preferably, the first connector and the second connector are disposed on two adjacently disposed sides of the housing or on two oppositely disposed sides of the housing.
Preferably, the first power direction control circuit and the second power direction control circuit are a bidirectional conduction control circuit or a unidirectional conduction control circuit, respectively.
The testing device can ensure that the power supply device and the power receiving end electronic device can normally provide electric energy during the testing period. In addition, the testing device can determine the unidirectional power transmission or the bidirectional power transmission of the testing device by utilizing the arrangement of the first power direction control circuit and the second power direction control circuit, so that the convenience of a testing program can be effectively enhanced.
For a better understanding of the features and technical content of the present invention, reference is made to the following detailed description of the invention and accompanying drawings, which are provided for illustration purposes only and are not intended to limit the scope of the invention.
Drawings
FIG. 1 is a schematic diagram of a power test system according to an embodiment of the invention.
FIG. 2 is a schematic diagram of a testing apparatus according to an embodiment of the present invention.
FIG. 3 is another schematic diagram of a testing apparatus according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a testing device respectively connected to a power supply device and a power receiving terminal electronic device according to an embodiment of the invention.
Fig. 5 is another schematic diagram of the testing device according to the embodiment of the invention respectively connected to the power supply device and the power receiving-end electronic device.
Detailed Description
The following is a description of the embodiments of the present invention related to a power test system and a test device, and those skilled in the art will understand the advantages and effects of the present invention from the contents provided in the present specification. The invention is capable of other and different embodiments and its several details are capable of modification and various other changes, which can be made in various details within the specification and without departing from the spirit and scope of the invention. The drawings of the present invention are for illustrative purposes only and are not intended to be drawn to scale. The following embodiments will further explain the related art of the present invention in detail, but the contents are not provided to limit the scope of the present invention.
It will be understood that, although the terms "first," "second," "third," etc. may be used herein to describe various components or signals, these components or signals should not be limited by these terms. These terms are used primarily to distinguish one element from another element or from one signal to another signal. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be.
[ first embodiment ]
Referring to fig. 1, fig. 1 is a schematic diagram of a power testing system according to an embodiment of the invention.
In this embodiment, the test system 1 is a power over ethernet test system. The testing system 1 includes a power supply device 11, a power receiving-end electronic device 12, and a testing device 13. The power supply device 11 is connected to the testing device 13 through a first network cable 14-1. The testing device 13 is connected to the power receiving-side electronic device 13 through a second network cable 14-2.
In the embodiment, the power supply device 11 communicates with the power receiving-side electronic device 12 through the testing device 13 to obtain power supply information of the power receiving-side electronic device 12. The power supply device 11 provides an electric energy P to the power receiving-end electronic device 12 through the testing device 13 according to the power supply information of the power receiving-end electronic device 12.
In the present embodiment, the testing device 13 detects a voltage value of the electric energy P by an induction method. That is, the testing device 13 provides a power transmission channel for the power supply device 11 and the power receiving-side electronic device 12 to communicate and transmit the electric power P. The test device 13 does not obstruct the power supply device 11 and the power receiving-side electronic device 12.
Referring to fig. 2 and fig. 3, fig. 2 is a schematic diagram of a testing apparatus according to an embodiment of the invention. FIG. 3 is another schematic diagram of a testing apparatus according to an embodiment of the invention.
The testing device 13 includes a housing 130, a first connector 131A, a second connector 131B, a first power direction control circuit 132A, a second power direction control circuit 132B, a detection module 133, a display module 134, and a power transmission circuit 135.
In the present embodiment, the first connector 131A, the second connector 131B, the first power direction control circuit 132A, the second power direction control circuit 132B, the detection module 133, and the power transmission circuit 135 are provided in the case 130.
The display module 134 is disposed at one side of the housing 130 for allowing a user to conveniently view information related to the power P provided by the power supply device.
In the present embodiment, the first connector 131A and the second connector 131B are disposed on at least one side of the housing 130. That is, the first connector 131A and the second connector 131B may be disposed on the same side of the housing 130, and it is only necessary that the side of the housing 130 is sufficient to accommodate the first connector 131A and the second connector 131B.
In the present embodiment, the first connector 131A and the second connector 131B are RJ45 connectors.
As shown in fig. 2, the first connector 131A and the second connector 131B are respectively disposed on two opposite sides of the housing 130. This arrangement is convenient for the user to easily connect the testing device 13, the power supply device 11, and the power receiving-side electronic device 12 to perform the testing procedure.
In other embodiments, the first connector 131A and the second connector 131B are disposed on two adjacent sides of the housing 130, which can be designed and adjusted according to practical requirements, and the invention is not limited thereto.
In the present embodiment, the first connector 131A is electrically connected to the first power direction control circuit 132A. The first power direction control circuit 132A is electrically connected to the second power direction control circuit 132B through the power transmission circuit 135. The second power direction control circuit 132B is electrically connected to the second connector 131B.
The detecting module 133 is electrically connected to the power transmitting circuit 135. In the present embodiment, the power transmission circuit 135 includes a copper foil laid on a circuit board and a power transmission line, which can be designed and adjusted according to actual requirements, and is not limited in the present invention.
As mentioned above, the detecting module 133 detects the power P transmitted by the power transmission circuit 135 by an inductive method. That is, the detecting module 133 detects the voltage value and the current value of the power transmission circuit 135 by using the magnetic field induction method. That is, the testing device 13 does not participate in communication and power transmission between the power supply device 11 and the power receiving-side electronic device 12. Therefore, the testing device 13 of the present invention does not perform a power testing procedure between the power supply device 11 and the power receiving electronic device 12, and blocks power transmission or communication between the power supply device 11 and the power receiving electronic device 12.
In other words, the power supply device 11 transmits the power P to the power receiving-side electronic device 12 through the first connector 131A, the first power direction control circuit 132A, the power transmission circuit 135, the second power direction control circuit 132B, and the second connector 131B of the testing device 13.
In addition, the communication path between the power supply device 11 and the power receiving-side electronic device 12 also passes through the first connector 131A, the first power direction control circuit 132A, the power transmission circuit 135, the second power direction control circuit 132B, and the second connector 131B of the test device 13.
In other words, neither the communication path nor the power transmission path between the power supply device 11 and the power receiving-side electronic device 12 is affected by the testing device 13.
However, in the present embodiment, the detecting module 133 is electrically connected to the power transmitting circuit 135 for obtaining a portion of power to drive the detecting module 133 and the display module 134. In addition, the testing device 13 does not capture the power for testing until the power supply device 11 normally supplies the power P to the power receiving-side electronic device 12. That is, the testing device 13 will not extract power to drive the internal circuit, such as the detecting module 133, for performing the testing procedure until the power supply device 11 normally supplies the power P to the power receiving electronic device 12.
In the present embodiment, the detecting module 133 includes a processing unit 133A, a voltage detecting unit 133B, and a current detecting unit 133C. The voltage detecting unit 133B is configured to detect a voltage value of the power P inductively. The current detection unit 133C is for detecting a current value of the electric power P. The processing unit 133A calculates a power value of the power P according to the voltage value detected by the voltage detecting unit 133B and the current value detected by the current detecting unit 133C.
In the present embodiment, the voltage value, the current value and the calculated power value detected by the detection module 133 are displayed on the display module 134. In the present embodiment, the display module 134 includes a liquid crystal display, an organic light emitting diode display, and a light emitting diode display, which can be designed and adjusted according to actual requirements, and is not limited in the present invention.
Referring to fig. 4 and 5, fig. 4 is a schematic diagram illustrating a testing device respectively connected to a power supply device and a power receiving terminal electronic device according to an embodiment of the invention. Fig. 5 is another schematic diagram of the testing device respectively connected to the power supply device and the receiving-end electronic device according to the embodiment of the invention.
In the present embodiment, the first power direction control circuit 132A and the second power direction control circuit 132B of the testing device 13 respectively include a bidirectional conduction control circuit and a unidirectional conduction control circuit.
When the first power direction control circuit 132A and the second power direction control circuit 132B of the testing device 13 are a bidirectional conduction control circuit respectively. The power supply device 11 may be connected to the first power direction control circuit 132A or the second power direction control circuit 132B, respectively. The power receiving electronic device 12 is connected to the second power direction control circuit 132B or the first power direction control circuit 132A.
As shown in fig. 4, the power supply device 11 and the power receiving-side electronic device 12 are connected to the first connector 131A and the second connector 131B of the test device 13, respectively, to perform communication and supply power.
As shown in fig. 5, the power supply device 11 and the power receiving-side electronic device 12 are respectively connected to the second connector 131B and the first connector 131A of the testing device 13 for communication and power supply.
In this embodiment, the bidirectional conduction control circuit is capable of transmitting electric energy in two directions, and the unidirectional conduction control circuit is capable of transmitting electric energy only in a single direction. In this embodiment, the first power direction control circuit 132A and the second power direction control circuit 132B may be composed of a bridge rectifier circuit, which may be designed according to actual requirements, and the present invention is not limited thereto.
In other embodiments, the first power direction control circuit 132A and the second power direction control circuit 132B may not be provided in the test apparatus 13. That is, the power supply device 11 performs communication and power transmission only through the first connector 131A, the power transmission circuit 135, and the second connector 131B.
[ advantageous effects of the embodiments ]
The testing device can ensure that the power supply device and the power receiving end electronic device can normally provide electric energy during the testing period. In addition, the testing device can determine the unidirectional power transmission or the bidirectional power transmission of the testing device by utilizing the arrangement of the first power direction control circuit and the second power direction control circuit, so that the convenience of a testing program can be effectively enhanced.
The above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the scope of the claims of the present invention, so that all equivalent technical changes made by using the contents of the specification and the drawings are included in the scope of the claims of the present invention.
Claims (20)
1. A testing device, disposed between a power supply device and a power receiving terminal electronic device, for detecting at least one voltage value and at least one current value of an electric energy supplied to the power receiving terminal electronic device by the power supply device, includes:
a first connector;
a second connector;
a first power direction control circuit electrically connected to the first connector;
a second power direction control circuit electrically connected to the first power direction control circuit through a power transmission circuit, the second power direction control circuit being electrically connected to the second connector, wherein the power supply device transmits the electric energy to the power receiving-end electronic device through the first connector, the first power direction control circuit, the power transmission circuit, the second power direction control circuit, and the second connector of the testing device; and
and the detection module is electrically connected with the power transmission circuit and detects the transmission of the power transmission circuit.
2. The test device of claim 1, wherein the power supply device communicates with the power receiving side electronic device through the first connector, the first power direction control circuit, the power transmission circuit, the second power direction control circuit, and the second connector of the test device.
3. The test device of claim 1, wherein the detection module comprises:
a voltage detection unit for detecting the voltage value of the electric energy in an induction manner;
a current detection unit for detecting the current value of the electric energy; and
and the processing unit calculates a power value of the electric energy according to the voltage value detected by the voltage detection unit and the current value detected by the current detection unit.
4. The test apparatus of claim 3, further comprising:
the voltage value, the current value and the power value detected by the detection module are displayed on the display module; and
a housing, said first connector and said second connector being disposed on at least one side of said housing;
wherein the first power direction control circuit, the second power direction control circuit, and the detection module are disposed in the housing;
wherein the display module is disposed at one side of the housing.
5. The testing device of claim 4, wherein the first connector and the second connector are disposed on two adjacently disposed sides of the housing or on two oppositely disposed sides of the housing.
6. The test apparatus as claimed in claim 4, wherein the first power direction control circuit and the second power direction control circuit are a bidirectional conduction control circuit or a unidirectional conduction control circuit, respectively.
7. A power testing system, comprising:
a power supply device;
a power receiving terminal electronic device; and
the testing device is arranged between the power supply device and the power receiving end electronic device, the power supply device is connected with the testing device through a first network line, and the power receiving end electronic device is connected with the testing device through a second network line;
the power supply device communicates with the power receiving end electronic device through the test device to obtain power supply information, and the power supply device provides electric energy to the power receiving end electronic device through the test device according to the power supply information;
the testing device detects a voltage value of the electric energy in an induction mode.
8. The power testing system of claim 7, wherein the testing device comprises a first connector and a second connector, and the power supply device and the power receiving-side electronic device are respectively connected to the first connector and the second connector of the testing device for communication and power supply.
9. The power testing system of claim 8, wherein the power supply device and the power receiving side electronic device are connected to the second connector and the first connector of the testing device, respectively, to communicate and provide power.
10. The power test system of claim 8, wherein the test device further comprises:
a first power direction control circuit electrically connected to the first connector;
a second power direction control circuit electrically connected to the first power direction control circuit through a power transmission circuit, the second power direction control circuit being electrically connected to the second connector, wherein the power supply device transmits the electric energy to the power receiving-side electronic device through the first connector, the first power direction control circuit, the power transmission circuit, the second power direction control circuit, and the second connector of the testing device or communicates with the power receiving-side electronic device; and
and the detection module is electrically connected with the power transmission circuit and detects the electric energy transmitted by the power transmission circuit.
11. The power test system of claim 10, wherein the detection module comprises:
a voltage detection unit for detecting the voltage value of the electric energy in an induction manner;
a current detection unit for detecting the current value of the electric energy; and
and the processing unit calculates a power value of the electric energy according to the voltage value detected by the voltage detection unit and the current value detected by the current detection unit.
12. The power test system of claim 11, wherein the test device further comprises:
the voltage value, the current value and the power value detected by the detection module are displayed on the display module; and
a housing, said first connector and said second connector being disposed on at least one side of said housing;
wherein the first power direction control circuit, the second power direction control circuit, and the detection module are disposed in the housing;
wherein the display module is disposed at one side of the housing.
13. The power testing system of claim 12, wherein the first connector and the second connector are disposed on two adjacently disposed sides of the housing or on two oppositely disposed sides of the housing.
14. The power test system of claim 12, wherein the first power direction control circuit and the second power direction control circuit are a bidirectional conduction control circuit or a unidirectional conduction control circuit, respectively.
15. A testing apparatus, disposed between a power supply device and a power receiving terminal electronic device, for detecting at least one voltage value and at least one current value of an electric energy supplied to the power receiving terminal electronic device by the power supply device, the testing apparatus comprising:
a first connector;
the second connector is electrically connected with the first connector through a power transmission circuit, wherein the power supply device transmits the electric energy to the power receiving end electronic device through the first connector, the power transmission circuit and the second connector of the testing device; and
and the detection module is electrically connected with the power transmission circuit and detects the electric energy transmitted by the power transmission circuit.
16. The test apparatus of claim 15, further comprising:
a first power direction control circuit electrically connected to the first connector; and
a second power direction control circuit, through power transmission circuit electric connection the first power direction control circuit, second power direction control circuit electric connection the second connector, wherein, power supply unit passes through testing arrangement the first connector, first power direction control circuit, power transmission circuit, second power direction control circuit, and the second connector transmits the electric energy to the power receiving end electron device, or with the power receiving end electron device carries out communication.
17. The test device of claim 16, wherein the detection module comprises:
a voltage detection unit for detecting the voltage value of the electric energy in an induction manner;
a current detection unit for detecting the current value of the electric energy; and
and the processing unit calculates a power value of the electric energy according to the voltage value detected by the voltage detection unit and the current value detected by the current detection unit.
18. The test apparatus of claim 17, further comprising:
the voltage value, the current value and the power value detected by the detection module are displayed on the display module; and
a housing, said first connector and said second connector being disposed on at least one side of said housing;
wherein the first power direction control circuit, the second power direction control circuit, and the detection module are disposed in the housing;
wherein the display module is disposed at one side of the housing.
19. The testing device of claim 18, wherein the first connector and the second connector are disposed on two adjacently disposed sides of the housing or on two oppositely disposed sides of the housing.
20. The test apparatus as claimed in claim 18, wherein the first power direction control circuit and the second power direction control circuit are a bidirectional conduction control circuit or a unidirectional conduction control circuit, respectively.
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|---|---|---|---|
| CN201910001706.2A CN111398652A (en) | 2019-01-02 | 2019-01-02 | Test device and power test system |
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| CN201910001706.2A CN111398652A (en) | 2019-01-02 | 2019-01-02 | Test device and power test system |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101112042A (en) * | 2005-01-25 | 2008-01-23 | 凌特公司 | Distinguishing network interface card from short circuit condition in power over Ethernet system |
| US20080238656A1 (en) * | 2007-03-28 | 2008-10-02 | Agere Systems Inc. | Isolated resistive signature detection for powered devices |
| CN203101479U (en) * | 2013-01-08 | 2013-07-31 | 美的集团股份有限公司 | Current detection circuit |
| CN204855620U (en) * | 2015-05-26 | 2015-12-09 | 东芝泰力株式会社 | Current circuit between load and power supply circuit |
| CN105259401A (en) * | 2015-10-19 | 2016-01-20 | 珠海格力电器股份有限公司 | Air conditioning load current detection device and system |
| CN106168634A (en) * | 2016-08-03 | 2016-11-30 | 新奥泛能网络科技股份有限公司 | A kind of electric supply installation and power distribution equipment |
| CN106208404A (en) * | 2014-09-08 | 2016-12-07 | 东芝泰格有限公司 | Non-contact electric power transmitting device |
| CN207603658U (en) * | 2017-11-30 | 2018-07-10 | 广州汉邮通信有限公司 | A kind of multi-functional POE chargers |
| CN108933671A (en) * | 2017-05-26 | 2018-12-04 | 华为技术有限公司 | Power supply management method, equipment and system |
| CN109116090A (en) * | 2017-06-23 | 2019-01-01 | 致伸科技股份有限公司 | Current/voltage measurement system and its method |
-
2019
- 2019-01-02 CN CN201910001706.2A patent/CN111398652A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101112042A (en) * | 2005-01-25 | 2008-01-23 | 凌特公司 | Distinguishing network interface card from short circuit condition in power over Ethernet system |
| US20080238656A1 (en) * | 2007-03-28 | 2008-10-02 | Agere Systems Inc. | Isolated resistive signature detection for powered devices |
| CN203101479U (en) * | 2013-01-08 | 2013-07-31 | 美的集团股份有限公司 | Current detection circuit |
| CN106208404A (en) * | 2014-09-08 | 2016-12-07 | 东芝泰格有限公司 | Non-contact electric power transmitting device |
| CN204855620U (en) * | 2015-05-26 | 2015-12-09 | 东芝泰力株式会社 | Current circuit between load and power supply circuit |
| CN105259401A (en) * | 2015-10-19 | 2016-01-20 | 珠海格力电器股份有限公司 | Air conditioning load current detection device and system |
| CN106168634A (en) * | 2016-08-03 | 2016-11-30 | 新奥泛能网络科技股份有限公司 | A kind of electric supply installation and power distribution equipment |
| CN108933671A (en) * | 2017-05-26 | 2018-12-04 | 华为技术有限公司 | Power supply management method, equipment and system |
| CN109116090A (en) * | 2017-06-23 | 2019-01-01 | 致伸科技股份有限公司 | Current/voltage measurement system and its method |
| CN207603658U (en) * | 2017-11-30 | 2018-07-10 | 广州汉邮通信有限公司 | A kind of multi-functional POE chargers |
Non-Patent Citations (1)
| Title |
|---|
| WIFI-TEXAS.COM: "Gigabit inline PoE tester and detector", 《HTTP://WIFIQOS.COM/PDF/WS-POE-TESTER-INSERT.PDF》 * |
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