CN215867585U

CN215867585U - Testing device for functional module of energy controller

Info

Publication number: CN215867585U
Application number: CN202121769039.1U
Authority: CN
Inventors: 邢迪; 戴银斌; 叶孟军
Original assignee: Ningbo Sanxing Medical and Electric Co Ltd
Current assignee: Ningbo Sanxing Medical and Electric Co Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-02-18
Anticipated expiration: 2031-07-30

Abstract

The utility model relates to a testing device of a functional module of an energy controller, which is characterized in that: including USB _ HUB circuit, the one end and the host computer of USB _ HUB circuit are connected, the other end of USB _ HUB circuit can be connected with a function module at least. The utility model has the advantages that: the tester does not need to assemble the functional module on the energy controller main board for testing, is simple and convenient, and avoids repeated disassembly and assembly; in addition, the testing device can realize the simultaneous testing of a plurality of functional modules, thereby improving the testing efficiency; meanwhile, the functional module is tested by directly operating the upper computer software without operating the main board keys of the energy controller, and whether the functional module is abnormal or not is automatically judged, so that the reliability is high. Therefore, the testing device is simple in structure, convenient to disassemble and assemble, high in testing efficiency, capable of reducing testing workload and suitable for testing a large number of functional modules.

Description

Testing device for functional module of energy controller

Technical Field

The utility model relates to the field of energy controllers, in particular to a testing device for a functional module of an energy controller.

Background

The energy controller is installed in a public transformer or a special transformer area, can realize flexible access of metering and sensing equipment on a client side and a power distribution side, and has the functions of data acquisition, intelligent charge control, clock synchronization, accurate metering, ordered charging, energy utilization management, loop state inspection, household transformer relation identification, power failure event reporting and the like. The energy controller adopts a modular design, the requirements on various input/output interfaces are different in different application scenes, so that functional modules of various types are generated at the same time, and the energy controller realizes the redefinition of the terminal form through the cooperation of different types of functional modules.

The function module of the energy controller is installed on the body of the energy controller through a USB Bus and used for expanding the functions of the body, and comprises a remote communication module (such as a 4G communication module, a 5G communication module and the like), a local communication module (such as a power line carrier communication module, a micro-power wireless communication module, an RS-485 communication module, an M-Bus communication module, a CAN communication module and the like), a control module, a remote signaling pulse acquisition module, a loop state inspection module and the like. At present, the national network energy controller needs to perform function test on the whole machine after production and assembly are completed, wherein the function module is also tested, the main method is to install the function module on an energy controller mainboard, and each function module is tested one by operating keys on the energy controller mainboard. The testing method has the advantages of low efficiency and large workload.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to provide a testing apparatus for a functional module of an energy controller, which has high testing efficiency and reduces testing workload, in view of the above-mentioned prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a testing arrangement of energy controller functional module which characterized in that: including USB _ HUB circuit, the one end and the host computer of USB _ HUB circuit are connected, the other end of USB _ HUB circuit can be connected with a function module at least.

In order to realize the connection of the upper computer and the HSB _ HUB circuit, the USB _ HUB circuit is connected with a USB socket for inserting and installing a USB interface of the upper computer.

In order to realize the connection of the HSB _ HUB circuit and the functional module, the USB _ HUB circuit is connected with at least one female socket for the insertion and installation of the functional module.

Preferably, the USB _ HUB circuit is built by a USB2517I interface chip.

Further, the pins PC _ USB1_ P and PC _ USB1_ N of the USB2517I interface chip are respectively connected with the pin 3 and the pin 2 of the USB socket.

In the scheme, the power supply device further comprises a voltage conversion circuit arranged between the USB socket and the USB2517I interface chip, and the voltage conversion circuit is used for converting the first voltage output by the USB socket into a second voltage supplied by the USB2517I interface chip. Therefore, the USB socket is used for supplying power to the USB _ HUB circuit by converting the first voltage acquired by the USB socket from the USB interface of the upper computer into the second voltage without an additional power supply.

Preferably, the first voltage is 5V, and the second voltage is 3.3V.

Preferably, the voltage conversion circuit comprises a power supply chip of the MP2161 type.

Further, the USB2517I interface chip includes a USB1_ N pin, a USB1_ P pin, a USB2_ N pin, a USB2_ P pin … USBm _ N pin and a USB _ P pin, wherein the USB1_ N pin and the USB1_ P pin are respectively connected to the 5 th pin and the 6 th pin of the 1 st female socket, the USB2_ N pin and the USB2_ P pin are respectively connected to the 5 th pin and the 6 th pin of the 2 nd female socket, and the USBm _ N pin and the USBm _ P pin are respectively connected to the 5 th pin and the 6 th pin of the m-th female socket.

Furthermore, the 1 st pin and the 2 nd pin of each female socket are connected with a first voltage, and the 3 rd pin and the 4 th pin of each female socket are grounded.

Compared with the prior art, the utility model has the advantages that: the tester does not need to assemble the functional module on the energy controller main board for testing, is simple and convenient, and avoids repeated disassembly and assembly; in addition, the testing device can realize the simultaneous testing of a plurality of functional modules, thereby improving the testing efficiency; meanwhile, the functional module is tested by directly operating the upper computer software without operating the main board keys of the energy controller, and whether the functional module is abnormal or not is automatically judged, so that the reliability is high. Therefore, the testing device is simple in structure, convenient to disassemble and assemble, high in testing efficiency, capable of reducing testing workload and suitable for testing a large number of functional modules.

Drawings

FIG. 1 is a schematic block diagram of a testing apparatus for a functional module of an energy controller according to an embodiment of the present invention;

FIG. 2 is a detailed circuit diagram of the USB _ HUB circuit of FIG. 1;

FIG. 3 is a specific circuit diagram of the USB socket of FIG. 1;

FIG. 4 is a detailed circuit diagram of a voltage converting circuit according to an embodiment of the present invention;

fig. 5 is a detailed circuit diagram of the female socket of fig. 1.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1, the testing apparatus of the power controller functional module in this embodiment includes a USB _ HUB circuit, one end of the USB _ HUB circuit (USB interface extender) is connected to the upper computer, and the other end of the USB _ HUB circuit can be connected to at least one functional module.

The USB _ HUB circuit is connected with a USB socket for inserting and installing a USB interface of an upper computer; meanwhile, the USB _ HUB circuit is connected with at least one female socket for inserting and installing the functional module. Like this, insert the USB socket with the USB interface of host computer in, insert a plurality of function module one by one in female socket simultaneously, can test a plurality of function module simultaneously through host computer software, after the test is accomplished, can extract the function module from female socket, can insert a batch of function module again and test.

As shown in fig. 2, in this embodiment, the USB _ HUB circuit is built by a USB2517I interface chip, and of course, other types of USB _ HUB interface chips or similar devices may be used to build a data transmission channel; USB socket Circuit As shown in FIG. 3, the PC _ USB1_ P and PC _ USB1_ N pins of the USB2517I interface chip are connected to the 3 rd pin and the 2 nd pin of the USB socket, respectively.

The first voltage VDD acquired by the USB socket from the USB interface of the upper computer is 5V, and the second voltage VCC required by the working voltage of the USB2517I interface chip is 3.3V, so the USB socket further comprises a voltage conversion circuit arranged between the USB socket and the USB2517I interface chip, and the voltage conversion circuit is used for converting the first voltage VDD output by the USB socket into the second voltage VCC supplied by the USB2517I interface chip. As shown in fig. 4, a preferred voltage conversion circuit in this embodiment is built by a power chip of MP2161 type. Of course, other different voltage conversion circuits may be used. The device obtains power from the upper computer by using the USB socket, and does not need to provide power specially.

The USB2517I interface chip comprises a USB1_ N pin, a USB1_ P pin, a USB2_ N pin, a USB2_ P pin … USBm _ N pin and a USBm _ P pin, wherein the USB1_ N pin and the USB1_ P pin are respectively connected with the 5 th pin and the 6 th pin of the 1 st female socket, the USB2_ N pin and the USB2_ P pin are respectively connected with the 5 th pin and the 6 th pin of the 2 nd female socket, and the USBm _ N pin and the USBm _ P pin are respectively connected with the 5 th pin and the 6 th pin of the m th female socket. In this embodiment, 7 mother sockets of 2 × 3 are used, as shown in fig. 5, each mother socket is connected to one USB channel of a USB2517I interface chip, the 1 st pin and the 2 nd pin of each mother socket are connected to a first voltage VDD, the 3 rd pin and the 4 th pin of each mother socket are both grounded, the 5 th pin of each mother socket is connected to an N line of the USB channel, the 6 th pin of each mother socket is connected to a P line of the USB channel, after the pin of the functional module is inserted into the mother socket, the functional module is connected to the device, and the upper computer software can test the functional module through the device.

The testing device has the advantages that the functional module does not need to be assembled on the energy controller main board for testing, the testing device is simple and convenient, the off-line operation is realized, and the repeated disassembly and assembly are avoided; in addition, a plurality of functional modules can be tested simultaneously, and the testing efficiency is improved; meanwhile, the functional module is tested by directly operating the upper computer software without operating the main board keys of the energy controller, and whether the functional module is abnormal or not is automatically judged, so that the reliability is high.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a testing arrangement of energy controller functional module which characterized in that: including USB _ HUB circuit, the one end and the host computer of USB _ HUB circuit are connected, the other end of USB _ HUB circuit can be connected with a function module at least.

2. The test device of the power controller functional module as claimed in claim 1, wherein: and the USB _ HUB circuit is connected with a USB socket for inserting and installing a USB interface of an upper computer.

3. The test device of the power controller functional module as claimed in claim 2, wherein: the USB _ HUB circuit is connected with at least one female socket for inserting and installing the functional module.

4. The test device of the power controller functional module as claimed in claim 3, wherein: the USB _ HUB circuit is built by a USB2517I interface chip.

5. The test device of the power controller functional module as claimed in claim 4, wherein: the pins of the PC _ USB1_ P and the PC _ USB1_ N of the USB2517I interface chip are respectively connected with the 3 rd pin and the 2 nd pin of a USB socket.

6. The test device of the power controller functional module as claimed in claim 4, wherein: the USB interface chip further comprises a voltage conversion circuit arranged between the USB socket and the USB2517I interface chip, and the voltage conversion circuit is used for converting a first Voltage (VDD) output by the USB socket into a second Voltage (VCC) supplied by the USB2517I interface chip.

7. The test device of the power controller functional module as claimed in claim 6, wherein: the first Voltage (VDD) is 5V, and the second Voltage (VCC) is 3.3V.

8. The test device of the power controller functional module as claimed in claim 6, wherein: the voltage conversion circuit comprises a power supply chip of an MP2161 model.

9. The test device of the power controller functional module as claimed in claim 4, wherein: the USB2517I interface chip comprises a USB1_ N pin, a USB1_ P pin, a USB2_ N pin, a USB2_ P pin … USBm _ N pin and a USBm _ P pin, wherein the USB1_ N pin and the USB1_ P pin are respectively connected with the 5 th pin and the 6 th pin of the 1 st female socket, the USB2_ N pin and the USB2_ P pin are respectively connected with the 5 th pin and the 6 th pin of the 2 nd female socket, and the USBm _ N pin and the USBm _ P pin are respectively connected with the 5 th pin and the 6 th pin of the m th female socket.

10. The test device of the power controller functional module as claimed in claim 9, wherein: the 1 st pin and the 2 nd pin of each female socket are both connected with a first Voltage (VDD), and the 3 rd pin and the 4 th pin of each female socket are both grounded.