CN111398652A - Test device and power test system - Google Patents

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

Test device and power test system

technical field

The present invention relates to a test device, in particular to a power over Ethernet test device that can not interfere with the communication and power transmission between a power supply device and an electronic device at a power receiving end.

Background technique

The traditional power over Ethernet test device is disposed between the power supply device and the power receiving end electronic device, which will hinder the communication between the power supply device and the power receiving end electronic device. As communication is blocked, power transmission becomes a problem.

Some solutions use the test device as a communication intermediary to communicate with the power supply device first, so that the power supply device provides power first. The power is then transferred to the receiving end electronic device. However, the electric energy at this time is not the electric energy specification suitable for the electronic device at the receiving end.

Therefore, how to provide a test device that does not interfere with the communication and power transmission between the power supply device and the power receiving electronic device has become an important issue in the industry.

SUMMARY OF THE 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 voltage value of an electric energy supplied by the power supply device to the power receiving end electronic device. The current value is characterized in that it 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, through a power The transmission circuit is electrically connected to the first power direction control circuit, and the second power direction control circuit is electrically connected to the second connector, wherein the power supply device passes through the first connector of the test device , the first power direction control circuit, the power transmission circuit, the second power direction control circuit, and the second connector transmit the power to the power receiving electronic device; and a detection module, The power transmission circuit is electrically connected, and the transmission of the power transmission circuit is detected.

Preferably, the power supply device is connected through the first connector, the first power direction control circuit, the power transmission circuit, the second power direction control circuit, and the second connection of the test device The device communicates with the receiving end electronic device.

Preferably, the detection module includes: a voltage detection unit for inductively detecting the voltage value of the electrical energy; a current detection unit for detecting the current value of the electrical energy; and a processing unit and calculating a power value of the electrical energy according to the voltage value detected by the voltage detection unit and the current value detected by the current detection unit.

Preferably, it also includes: a display module, the voltage value, the current value and the power value detected by the detection module are displayed on the display module; and a casing, the first connector and the The second connector is provided on at least one side of the housing; wherein the first power direction control circuit, the second power direction control circuit, and the detection module are provided in the housing; wherein , the display module is arranged on one side of the casing.

Preferably, the first connector and the second connector are arranged on two adjacent sides of the casing or on two opposite sides of the casing.

Preferably, the first power direction control circuit and the second power direction control circuit are respectively a bidirectional conduction control circuit or a unidirectional conduction control circuit.

The invention discloses a power testing system, which is characterized by comprising: a power supply device; a power receiving end electronic device; and a testing device, wherein the testing device is arranged on the power supply device and the power receiving end electronic device Between, the power supply device is connected to the test device through a first network cable, and the power receiving electronic device is connected to the test device through a second network cable; wherein, the power supply device is connected to the test device through the test device. The receiving end electronic device communicates to obtain a power supply information, and the power supply device provides a power to the receiving end electronic device through the testing device according to the power supply information; wherein, the testing device passes a A voltage value of the electrical energy is detected in an inductive manner.

Preferably, the testing device includes a first connector and a second connector, and the power supply device and the power receiving electronic device are respectively connected to the first connector and the second connector of the testing device. connectors for communication and power.

Preferably, the power supply device and the power receiving electronic device are respectively connected to the second connector and the first connector of the testing device for communication and power supply.

Preferably, the testing device further comprises: a first power direction control circuit, which is electrically connected to the first connector; a second power direction control circuit, which is electrically connected to the first power through a power transmission circuit a direction control circuit, the second power direction control circuit is electrically connected to the second connector, wherein the power supply device passes through the first connector of the test device, the first power direction control circuit, the power transmission circuit, the second power direction control circuit, and the second connector transmit the power to the power receiving electronic device, or communicate with the power receiving electronic device; and a The detection module is electrically connected to the power transmission circuit and detects the electrical energy transmitted by the power transmission circuit.

Preferably, the detection module includes: a voltage detection unit for inductively detecting the voltage value of the electrical energy; a current detection unit for detecting the current value of the electrical energy; and a processing unit and calculating a power value of the electrical energy according to the voltage value detected by the voltage detection unit and the current value detected by the current detection unit.

Preferably, the testing device further comprises: a display module, the voltage value, the current value and the power value detected by the detection module are displayed on the display module; and a housing, the first The connector and the second connector are arranged on at least one side of the housing; wherein, the first power direction control circuit, the second power direction control circuit, and the detection module are arranged on the housing The display module is arranged on one side of the casing.

Preferably, the first connector and the second connector are arranged on two adjacent sides of the casing or on two opposite sides of the casing.

Preferably, the first power direction control circuit and the second power direction control circuit are respectively a bidirectional conduction control circuit or a unidirectional conduction control circuit.

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 voltage value of an electric energy supplied by the power supply device to the power receiving end electronic device. The current value, characterized in that the test device includes: a first connector; a second connector, which is electrically connected to the first connector through a power transmission circuit, wherein the power supply device passes the test The first connector, the power transmission circuit, and the second connector of the device transmit the power to the power receiving electronic device; and a detection module is electrically connected to the power transmission circuit, and The electrical energy transferred by the power transfer circuit is detected.

Preferably, it further includes: a first power direction control circuit electrically connected to the first connector; and a second power direction control circuit electrically connected to the first power direction control circuit through the power transmission circuit , the second power direction control circuit is electrically connected to the second connector, wherein the power supply device passes through the first connector of the test device, the first power direction control circuit, the power The transmission circuit, the second power direction control circuit, and the second connector transmit the power to the power receiving electronic device, or communicate with the power receiving electronic device.

Preferably, the detection module includes: a voltage detection unit for inductively detecting the voltage value of the electrical energy; a current detection unit for detecting the current value of the electrical energy; and a processing unit and calculating a power value of the electrical energy according to the voltage value detected by the voltage detection unit and the current value detected by the current detection unit.

Preferably, it also includes: a display module, the voltage value, the current value and the power value detected by the detection module are displayed on the display module; and a casing, the first connector and the The second connector is provided on at least one side of the housing; wherein the first power direction control circuit, the second power direction control circuit, and the detection module are provided in the housing; wherein , the display module is arranged on one side of the casing.

Preferably, the first connector and the second connector are arranged on two adjacent sides of the casing or on two opposite sides of the casing.

Preferably, the first power direction control circuit and the second power direction control circuit are respectively a bidirectional conduction control circuit or a unidirectional conduction control circuit.

The test device of the present invention can allow the power supply device and the power receiving electronic device to normally provide electrical energy during the test. Moreover, the testing device can use the settings of the first power direction control circuit and the second power direction control circuit to determine the one-way power transmission or the two-way power transmission of the test device, which can effectively enhance the convenience of the test procedure.

In order to further understand the features and technical content of the present invention, please refer to the following detailed descriptions and accompanying drawings of the present invention, but these descriptions and the accompanying drawings are only used to illustrate the present invention, but not to the scope of the rights of the present invention. any restrictions.

Description of drawings

FIG. 1 is a schematic diagram of a power testing system according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of a testing device according to an embodiment of the present invention.

FIG. 3 is another schematic diagram of a testing device according to an embodiment of the present invention.

FIG. 4 is a schematic diagram of a test device connected to a power supply device and a power receiving end electronic device respectively according to an embodiment of the present invention.

FIG. 5 is another schematic diagram of the test device connected to the power supply device and the power receiving end electronic device respectively according to the embodiment of the present invention.

Detailed ways

The following are specific embodiments to illustrate the implementation of the "power testing system and testing device" provided by the present invention, and those skilled in the art can understand the advantages and effects of the present invention from the content provided in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to the actual size, and are stated in advance. The following embodiments will further describe the related technical contents of the present invention in detail, but the provided contents are not intended to limit the protection scope of the present invention.

It should be understood that although terms such as "first", "second", "third" and the like may be used herein to describe various components or signals, these components or signals should not be limited by these terms. These terms are primarily used to distinguish one component from another component, or one signal from another. In addition, the term "or", as used herein, should include any one or a combination of more of the associated listed items as the case may be.

[First Embodiment]

Please refer to FIG. 1 , which is a schematic diagram of a power testing system according to an embodiment of the present 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 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 receiving end electronic device 13 through a second network cable 14-2.

In this embodiment, the power supply device 11 communicates with the power receiving electronic device 12 through the testing device 13 to obtain power supply information of the power receiving electronic device 12 . The power supply device 11 provides a power 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 this embodiment, the testing device 13 detects a voltage value of the electrical energy P through an induction method. That is, the testing device 13 provides a power transmission channel for the power supply device 11 and the power receiving electronic device 12 to communicate and transmit the power P. The testing device 13 does not obstruct the power supply device 11 and the power receiving electronic device 12 .

Please refer to FIG. 2 and FIG. 3 . FIG. 2 is a schematic diagram of a testing device according to an embodiment of the present invention. FIG. 3 is another schematic diagram of a testing device according to an embodiment of the present invention.

The testing device 13 includes a casing 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 , and a display module 134 , and a power transmission circuit 135 .

In this 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 housing 130 .

The display module 134 is disposed on one side of the casing 130, and is used to allow the user to conveniently view the related information of the power P provided by the power supply device.

In this 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 can be disposed on the same side of the housing 130, as long as the side of the housing 130 is sufficient to accommodate the first connector 131A and the second connector 131B.

In this 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 . Such an arrangement is convenient for the user to easily connect the test device 13 , the power supply device 11 and the power receiving electronic device 12 to perform the test procedure.

In other embodiments, the first connector 131A and the second connector 131B are disposed on two adjacently disposed sides of the housing 130 , which can be adjusted and designed according to actual needs, which are not limited in the present invention.

In this 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 detection module 133 is electrically connected to the power transmission circuit 135 . In this embodiment, the power transmission circuit 135 includes a copper foil laid on a circuit board and a power transmission line, which can be adjusted and designed according to actual needs, which is not limited in the present invention.

As mentioned above, the detection module 133 detects the power P transmitted by the power transmission circuit 135 through an inductive method. That is, the detection module 133 detects the voltage value and the current value of the power transmission circuit 135 by means of magnetic field induction. That is, the testing device 13 does not participate in the communication and power transmission between the power supply device 11 and the power receiving electronic device 12 . Therefore, the testing device 13 of the present invention is not arranged between the power supply device 11 and the power receiving electronic device 12 to perform a power test procedure, thereby blocking the power transmission between the power supply device 11 and the power receiving electronic device 12 or communication communication.

In other words, the power supply device 11 transmits the power P to the receiver 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 . Electrical end electronic device 12 .

In addition, the communication path between the power supply device 11 and the power receiving electronic device 12 also passes through the first connector 131A of the test device 13 , the first power direction control circuit 132A, the power transmission circuit 135 , the second power direction control circuit 132B, and the first power direction control circuit 132A. Two connectors 131B.

In other words, neither the communication path nor the power transmission path between the power supply device 11 and the power receiving electronic device 12 is affected by the testing device 13 .

However, in this embodiment, the detection module 133 is electrically connected to the power transmission circuit 135 for obtaining a part of the power to drive the detection module 133 and the display module 134 . In addition, before the power supply device 11 normally supplies the power P to the power receiving electronic device 12 , the test device 13 does not capture power for testing. That is, after the power supply device 11 normally supplies the power P to the electronic device 12 at the receiving end, the testing device 13 captures the power to drive the internal circuit, such as the detection module 133 , to perform the test procedure.

In this embodiment, the detection module 133 includes a processing unit 133A, a voltage detection unit 133B, and a current detection unit 133C. The voltage detection unit 133B is used to detect the voltage value of the power P in an inductive manner. The current detection unit 133C is used to detect the current value of the electrical energy P. The processing unit 133A calculates a power value of the electric energy P according to the voltage value detected by the voltage detection unit 133B and the current value detected by the current detection unit 133C.

In this 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 this 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 adjusted and designed according to actual needs, which is not limited in the present invention.

Please refer to FIG. 4 and FIG. 5 . FIG. 4 is a schematic diagram of a test device connected to a power supply device and a power receiving electronic device respectively according to an embodiment of the present invention. FIG. 5 is another schematic diagram of a test device connected to a power supply device and a power receiving end electronic device respectively according to an embodiment of the present invention.

In this 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 respectively a bidirectional conduction control circuit. 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 electronic device 12 are respectively connected to the first connector 131A and the second connector 131B of the testing device 13 for communication and power supply.

As shown in FIG. 5 , the power supply device 11 and the power receiving 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 means that the electric energy can be transmitted in both directions, and the unidirectional conduction control circuit means that the electric energy can be transmitted in only one 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 can be adjusted and designed according to actual needs, which is not limited in the present invention.

In other embodiments, the first power direction control circuit 132A and the second power direction control circuit 132B may not be provided in the testing device 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 embodiment]

The test device of the present invention can allow the power supply device and the power receiving electronic device to normally provide electrical energy during the test. Moreover, the testing device can use the settings of the first power direction control circuit and the second power direction control circuit to determine the one-way power transmission or the two-way power transmission of the test device, which can effectively enhance the convenience of the test procedure.

The contents provided above are only preferred feasible embodiments of the present invention, and are not intended to limit the scope of the present invention. Therefore, any equivalent technical changes made by using the contents of the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

Claims (20)

1. A test device, arranged between a power supply device and a power receiving end electronic device, for detecting at least one voltage value and at least one current value of an electric energy supplied by the power supply device to the power receiving end electronic device , which is characterized in that it 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 is electrically connected to the first power direction control circuit through a power transmission circuit, and the second power direction control circuit is electrically connected to the second connector, wherein the power supply device passes 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 transmit the power to the the receiving end electronic device; and A detection module is electrically connected to the power transmission circuit and detects the transmission of the power transmission circuit. 2 . The test device according to claim 1 , wherein the power supply device passes through the first connector of the test device, the first power direction control circuit, the power transmission circuit, the The second power direction control circuit and the second connector communicate with the power receiving electronic device. 3. The testing device of claim 1, wherein the detection module comprises: a voltage detection unit for inductively detecting the voltage value of the electrical energy; a current detection unit for detecting the current value of the electrical energy; and a processing unit for calculating a power value of the electrical 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 device of claim 3, further comprising: a display module, the voltage value, the current value and the power value detected by the detection module are displayed on the display module; and a housing, the first connector and the second connector are arranged on at least one side of the housing; Wherein, the first power direction control circuit, the second power direction control circuit, and the detection module are arranged in the housing; Wherein, the display module is arranged on one side of the casing. 5 . The test device according to claim 4 , wherein the first connector and the second connector are arranged on two adjacently arranged side surfaces of the housing or on the housing. 6 . Two opposing sides of the body. 6 . The testing device of claim 4 , wherein the first power direction control circuit and the second power direction control circuit are respectively a bidirectional conduction control circuit or a unidirectional conduction control circuit. 7 . 7. A power test system, comprising: a power supply device; a receiving end electronic device; and a test device, the test device is arranged between the power supply device and the power receiving end electronic device, the power supply device is connected to the testing device through a first network cable, the power receiving end electronic device is connected through a The second network cable is connected to the test device; Wherein, the power supply device communicates with the power receiving electronic device through the test device to obtain power supply information, and the power supply device provides a power supply to the power receiver through the test device according to the power supply information terminal electronic device; Wherein, the testing device detects a voltage value of the electrical energy through an induction method. 8 . The power testing system according to claim 7 , wherein the testing device comprises a first connector and a second connector, and the power supply device and the power receiving electronic device are respectively connected to the power supply device. 9 . The first connector and the second connector of the test device for communicating and providing power. 9 . The power testing system of claim 8 , wherein the power supply device and the power receiving electronic device are connected to the second connector and the first connector of the testing device, respectively, 9 . to communicate and provide power. 10. The power testing system of claim 8, wherein the testing device further comprises: a first power direction control circuit electrically connected to the first connector; A second power direction control circuit is electrically connected to the first power direction control circuit through a power transmission circuit, and the second power direction control circuit is electrically connected to the second connector, wherein the power supply device passes 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 transmit the power to the a receiving end electronic device, or communicating with said receiving end electronic device; and A detection module is electrically connected to the power transmission circuit and detects the electrical energy transmitted by the power transmission circuit. 11. The power testing system of claim 10, wherein the detection module comprises: a voltage detection unit for inductively detecting the voltage value of the electrical energy; a current detection unit for detecting the current value of the electrical energy; and a processing unit for calculating a power value of the electrical 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 testing system of claim 11, wherein the testing device further comprises: a display module, the voltage value, the current value and the power value detected by the detection module are displayed on the display module; and a housing, the first connector and the second connector are arranged on at least one side of the housing; Wherein, the first power direction control circuit, the second power direction control circuit, and the detection module are arranged in the housing; Wherein, the display module is arranged on one side of the casing. 13 . The power testing system according to claim 12 , wherein the first connector and the second connector are disposed on two adjacently disposed sides of the housing or disposed on the Two opposing sides of the housing. 14 . The power testing system of claim 12 , wherein the first power direction control circuit and the second power direction control circuit are respectively a bidirectional conduction control circuit or a unidirectional conduction control circuit. 15 . 15. A test device, disposed between a power supply device and a power receiving end electronic device, for detecting at least one voltage value and at least one current value of an electric energy supplied by the power supply device to the power receiving end electronic device , is characterized in that, described test device comprises: a first connector; a second connector electrically connected to the first connector through a power transmission circuit, wherein the power supply device passes through the first connector of the test device, the power transmission circuit, and the first connector The two connectors transmit the power to the receiving end electronic device; and A detection module is electrically connected to the power transmission circuit and detects the electrical energy transmitted by the power transmission circuit. 16. The test device of claim 15, further comprising: a first power direction control circuit electrically connected to the first connector; and A second power direction control circuit is electrically connected to the first power direction control circuit through the power transmission circuit, and the second power direction control circuit is electrically connected to the second connector, wherein the power supply device The power is transmitted to the test 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. The power receiving end electronic device, or communicate with the power receiving end electronic device. 17. The testing device of claim 16, wherein the detection module comprises: a voltage detection unit for inductively detecting the voltage value of the electrical energy; a current detection unit for detecting the current value of the electrical energy; and a processing unit for calculating a power value of the electrical 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 device of claim 17, further comprising: a display module, the voltage value, the current value and the power value detected by the detection module are displayed on the display module; and a housing, the first connector and the second connector are arranged on at least one side of the housing; Wherein, the first power direction control circuit, the second power direction control circuit, and the detection module are arranged in the housing; Wherein, the display module is arranged on one side of the casing. 19. The test device according to claim 18, wherein the first connector and the second connector are arranged on two adjacently arranged side surfaces of the housing or are arranged on the housing two opposite sides of the body. 20 . The testing device of claim 18 , wherein the first power direction control circuit and the second power direction control circuit are respectively a bidirectional conduction control circuit or a unidirectional conduction control circuit. 21 .

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