CN215005606U - Fuse terminal platform epitope selection circuit - Google Patents
Fuse terminal platform epitope selection circuit Download PDFInfo
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- CN215005606U CN215005606U CN202121562431.9U CN202121562431U CN215005606U CN 215005606 U CN215005606 U CN 215005606U CN 202121562431 U CN202121562431 U CN 202121562431U CN 215005606 U CN215005606 U CN 215005606U
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Abstract
The utility model discloses a fuse terminal platform epitope selection circuit, including power source and at least one test unit, the power source is connected with all test units respectively, the test unit includes host system and at least a set of test circuit, host system is connected with test circuit, test circuit includes current protection module, tested terminal and voltage protection module, current protection module and voltage protection module are connected with host system respectively, the tested terminal is connected with current protection module and voltage protection module respectively; the utility model has the advantages that: the epitope selection can be carried out, so that the fusion terminal of any epitope can be tested, and the continuous execution of the whole detection task cannot be influenced under the condition that a current loop is open and a voltage loop is short.
Description
Technical Field
The utility model relates to a fuse terminal control field, more specifically relate to a fuse terminal platform epitope selection circuit.
Background
The intelligent integration terminal (intelligent terminal for distribution automation transformer area) is developed to follow a construction framework of an electric power Internet of things, has functions of a distribution transformer terminal and a concentrator, integrates marketing and distribution double-safety encryption chips, supports distribution and access of a dual system of an acquisition system, and can realize data homologous acquisition and marketing and distribution service integration of a low-voltage distribution transformer area; and the platform area topology identification and fault study and judgment are realized through terminal edge intelligence. The low-voltage distribution station is promoted to be developed towards the networking and intelligentization of the Internet of things.
The intelligent power distribution integration terminal is used as the core of a low-voltage power distribution Internet of things, is the edge equipment with the largest quantity in a ubiquitous power Internet of things technical architecture system, and can be networked with low-voltage intelligent equipment, intelligent electric meters and the like on site to complete the intelligent transformation of a distribution area. The distribution intelligent fusion terminal is connected into the Internet of things management platform through the Internet of things protocol, and functions of full sensing of the equipment state of the distribution area, active fault study and judgment, emergency repair, improvement of power supply quality and the like can be achieved. The construction of a power distribution intelligent integration terminal detection platform with detection functions such as an internet of things communication protocol and APP issuing management is not slow enough. However, the existing intelligent fusion terminal detection platform cannot select the epitope, so that the fusion terminal of any epitope cannot be tested, and the continuous execution of the whole detection task is influenced under the conditions of open circuit of a current loop and short circuit of a voltage loop.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in that prior art fuses terminal test platform can't carry out the epitope and selects to can not test the fusion terminal of arbitrary epitope, and influence the continuation execution of whole detection task under the condition of open a way in current loop and voltage circuit short circuit.
The utility model discloses a following technical means realizes solving above-mentioned technical problem: the utility model provides a fuse terminal platform epitope selection circuit, includes power source and at least one test element, the power source is connected with all test elements respectively, the test element includes host system and at least a set of test circuit, host system is connected with test circuit, test circuit includes current protection module, tested terminal and voltage protection module, current protection module and voltage protection module are connected with host system respectively, the tested terminal is connected with current protection module and voltage protection module respectively.
The utility model discloses at least one test unit and test unit have been set up and have been included host system and at least a set of test circuit, can select arbitrary one test circuit to test corresponding quilt terminal through host system, thereby realize arbitrary epitope and select, and all include current protection module and voltage protection module among the test circuit, open a way or the short circuit at current loop under the condition of voltage loop short circuit, current protection module and voltage protection module detect and open a way or short circuit, thereby host system receives the short circuit or opens a way the information, withdraw from the quilt terminal that will correspond, other quilt terminals still can continue to detect, thereby avoid influencing the continuous execution of whole detection task.
Furthermore, the test circuit further comprises a power consumption test module, the power consumption test module is connected with the main control module, and the tested terminal is connected with the voltage protection module through the power consumption test module.
Further, the power source includes electric current source and voltage source, the electric current protection module is including opening a way detection circuitry and electric current bypass relay, an IO control port of host system is connected with the IO control port of electric current protection module, and the normally open contact and the electric current source of the electric current bypass relay among all test circuit are series connection in proper order, the both ends of the normally open contact of being surveyed the terminal and passing through electric current input port and parallelly connected to electric current bypass relay, the detection circuitry that opens a way is connected with the electric current input port of being surveyed the terminal.
Furthermore, a voltage input port of the power consumption testing module is connected with a voltage output port of the tested terminal, the voltage output port of the power consumption testing module is connected with a voltage input port of the voltage protection module, and an IO control port of the power consumption testing module is connected with another IO control port of the main control module.
Furthermore, another IO control port of the main control module is connected with an IO control port of the voltage protection module, the voltage protection module comprises a short circuit detection circuit and a voltage switching relay, normally closed contacts of the voltage switching relays in all the test circuits are equally connected with a voltage source in series, normally closed contacts of the voltage switching relays in all the test circuits are connected in parallel, and the short circuit detection circuit is connected with a voltage output port of the tested terminal.
Further, the model of the main control module is STM32F 103.
Further, the current protection module is of a DZL18-20 series.
Further, the model of the tested terminal is iPOC-5612T.
Further, the model of the power consumption test module is AAA 10F.
Further, the model of the voltage protection module is TDTBP-40A.
The utility model has the advantages that:
(1) the utility model discloses at least one test unit and test unit have been set up and have been included host system and at least a set of test circuit, can select arbitrary one test circuit to test corresponding quilt terminal through host system, thereby realize arbitrary epitope and select, and all include current protection module and voltage protection module among the test circuit, open a way or the short circuit at current loop under the condition of voltage loop short circuit, current protection module and voltage protection module detect and open a way or short circuit, thereby host system receives the short circuit or opens a way the information, withdraw from the quilt terminal that will correspond, other quilt terminals still can continue to detect, thereby avoid influencing the continuous execution of whole detection task.
(2) The utility model discloses still set up consumption test module, can test every test unit's consumption in the test procedure and feed back the test result to host system to confirm whether the consumption at the terminal of being surveyed satisfies relevant design requirement.
(3) The utility model discloses a current protection module is including opening a way detection circuitry and electric current bypass relay, and the detection circuitry that opens a way can detect whether to have the condition of opening a way, and when the condition of opening a way appeared in current test unit, master control module control current bypass relay is closed, and the electric current source is direct to be surveyed the terminal in this electric current bypass relay flow direction next test unit to the current terminal withdraws from the test of being surveyed, avoids the current test unit to appear the condition of opening a way and leads to influencing the test of whole test platform.
(4) The utility model discloses a voltage protection module includes short-circuit detection circuit and voltage switching relay, short-circuit detection circuit can detect current test unit's short circuit condition, when the short circuit condition appears in current test unit, the disconnection of master control module control voltage switching relay, thereby current test unit's voltage source is cut off, the terminal withdraw from the test by being surveyed in the current test unit, but the normally closed contact of the voltage switching relay among all test circuits is parallelly connected, consequently, the voltage source is cut off and does not influence other test unit continuation tests in the current test unit, avoid current test unit to appear the short circuit condition and lead to influencing the test of whole test platform.
Drawings
Fig. 1 is a schematic diagram of a fusion terminal platform epitope selection circuit disclosed in the embodiments of the present invention.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a fuse terminal platform epitope selection circuit, including power source 1 and at least one test unit 2, power source 1 is connected with all test units 2 respectively, test unit 2 includes main control module 201 and at least a set of test circuit 202, main control module 201 is connected with test circuit 202, test circuit 202 includes current protection module 2021, tested terminal 2022, power consumption test module 2023 and voltage protection module 2024, current protection module 2021, power consumption test module 2023 and voltage protection module 2024 are connected with main control module 201 respectively, tested terminal 2022 is connected with current protection module 2021. The terminal 2022 to be tested is connected to the voltage protection module 2024 through the power consumption test module 2023.
The power source 1 comprises a current source 101 and a voltage source 102, the power source 1 only provides a test power supply for the circuit, and any form of voltage source 102 and current source 101 on the market can be adopted as long as the test requirements are met. The current protection module 2021 is a DZL18-20 series, the current protection module 2021 is not limited to this type, as long as it has an open circuit detection circuit and a current bypass relay, the open circuit detection circuit may adopt a circuit disclosed in a product of the prior art or a patent document, the current bypass relay may adopt a common contactor having a coil, a normally open contact and a normally closed contact, a connection point where the coil of the current bypass relay is located is used as an IO control port of the current protection module 2021, when a signal comes from the main control module 201, the coil is energized, and the normally open contact of the current bypass relay is closed. The model of master control module 201 does not do the restriction equally as long as can carry out IO control can, the model of terminal 2022 under test does not do the restriction yet, and the intelligent integration terminal that uses all can test through the test circuit 202 of this application in the electric wire netting scene, in this embodiment, the model of master control module 201 is STM32F103, the model of terminal 2022 under test is iPAS-5612T. The power consumption test module 2023 may be a product disclosed in the prior art or the power consumption test circuit 202 in the patent document as long as it can test the power consumption in the circuit, and in this embodiment, the model of the power consumption test module 2023 is AAA 10F. The voltage protection module 2024 only has a short circuit detection function, and the short circuit detection circuit may be a conventional voltage protector integrated with short circuit detection or a short circuit detection circuit disclosed by a patent product, in this embodiment, the model of the voltage protection module 2024 is TDTBP-40A. The specific connection relationship and the working process of each module in this embodiment are described in detail below.
The current protection module 2021 includes an open circuit detection circuit and a current bypass relay, an IO control port of the main control module 201 is connected to an IO control port of the current protection module 2021, normally open contacts of the current bypass relays in all the test circuits 202 are sequentially connected in series to the current source 101, the tested terminal 2022 is connected to both ends of the normally open contact of the current bypass relay in parallel through a current input port, and the open circuit detection circuit is connected to the current input port of the tested terminal 2022. The open circuit detection circuit can detect whether an open circuit condition exists, in an initial state, normally open contacts of all current bypass relays are disconnected, the current source 101 flows to the next tested terminal 2022 through the tested terminal 2022 in the current testing unit 2, but when the current testing unit 2 is in the open circuit condition, the main control module 201 controls the current bypass relay in the current testing unit 2 to be closed, the current source 101 directly flows to the tested terminal 2022 in the next testing unit 2 through the normally open contact of the current bypass relay, and bypasses the current tested terminal 2022, so that the current tested terminal 2022 exits from testing, and the current testing unit 2 is prevented from being tested due to the open circuit condition, and the testing of the whole testing platform is prevented from being influenced.
The voltage input port of the power consumption testing module 2023 is connected to the voltage output port of the tested terminal 2022, the voltage output port of the power consumption testing module 2023 is connected to the voltage input port of the voltage protection module 2024, and the IO control port of the power consumption testing module 2023 is connected to another IO control port of the main control module 201. The power consumption testing module 2023 can test the power consumption of each testing unit 2 during the testing process and feed back the test result to the main control module 201, thereby determining whether the power consumption of the tested terminal 2022 meets the related design requirements.
The other IO control port of the main control module 201 is connected with the IO control port of the voltage protection module 2024, the voltage protection module 2024 includes a short circuit detection circuit and a voltage switching relay, normally closed contacts of the voltage switching relays in all the test circuits 202 are respectively connected in series with the voltage source 102, normally closed contacts of the voltage switching relays in all the test circuits 202 are connected in parallel, and the short circuit detection circuit is connected with a voltage output port of the tested terminal 2022. The short-circuit detection circuit can detect the short-circuit condition of the current test unit 2, when the current test unit 2 has the short-circuit condition, the main control module 201 controls the voltage switching relay to be switched off, so that the voltage source 102 of the current test unit 2 is switched off, the current tested terminal 2022 in the test unit 2 quits the test, but the normally closed contacts of the voltage switching relays in all the test circuits 202 are connected in parallel, therefore, the voltage source 102 in the current test unit 2 is switched off, the other test units 2 are not influenced to continue the test, and the test of the whole test platform is prevented from being influenced due to the short-circuit condition of the current test unit 2. It should be noted that the voltage switching relay also includes a coil, a normally open contact and a normally closed contact, a connection point of the coil is used as an IO control port of the voltage protection module 2024, when a signal of the main control module 201 is received, the coil is powered on, the corresponding normally open contact is closed, the normally closed contact is opened, the normally open contact of the voltage switching relay, which is connected with the voltage source 102 in the voltage protection module 2024, is detected, when a short circuit is detected, the main control module 201 controls an interface connected with the voltage protection module 2024 to be powered off, the corresponding coil is powered off, the normally closed contact is opened, and the voltage source 102 connected with the test unit 2 is cut off.
Through the technical scheme, the utility model discloses set up at least one test unit 2 and included host system 201 and at least a set of test circuit 202, can select arbitrary test circuit 202 to corresponding quilt test terminal 2022 through host system 201 and test, thereby realize arbitrary epitope selection, and all include electric current protection module 2021 and voltage protection module 2024 in test circuit 202, open a way and under the condition of voltage circuit short circuit at the electric current return circuit, electric current protection module 2021 and voltage protection module 2024 detect open a way or short circuit, thereby host system 201 receives short circuit or open a way information, withdraw from corresponding quilt test terminal 2022, other quilt test terminal 2022 still can continue to detect, thereby avoid influencing the continuous execution of whole detection task.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a fuse terminal platform epitope selection circuit, its characterized in that, includes power source and at least one test unit, the power source is connected with all test units respectively, the test unit includes host system and at least a set of test circuit, host system is connected with test circuit, test circuit includes current protection module, tested terminal and voltage protection module, current protection module and voltage protection module are connected with host system respectively, the tested terminal is connected with current protection module and voltage protection module respectively.
2. The fusion terminal platform epitope selection circuit of claim 1, wherein the test circuit further comprises a power consumption test module, the power consumption test module is connected with the main control module, and the terminal to be tested is connected with the voltage protection module through the power consumption test module.
3. The fused terminal platform epitope selection circuit according to claim 2, wherein the power source comprises a current source and a voltage source, the current protection module comprises an open circuit detection circuit and a current bypass relay, one IO control port of the main control module is connected with an IO control port of the current protection module, normally open contacts of the current bypass relays in all test circuits and the current source are sequentially connected in series, the tested terminal is connected in parallel to two ends of the normally open contact of the current bypass relay through a current input port, and the open circuit detection circuit is connected with the current input port of the tested terminal.
4. The fusion terminal platform epitope selection circuit according to claim 3, wherein a voltage input port of the power consumption test module is connected to a voltage output port of the terminal to be tested, the voltage output port of the power consumption test module is connected to a voltage input port of the voltage protection module, and an IO control port of the power consumption test module is connected to another IO control port of the main control module.
5. The fusion terminal platform epitope selection circuit of claim 4, wherein another IO control port of the main control module is connected with an IO control port of the voltage protection module, the voltage protection module comprises a short circuit detection circuit and a voltage switching relay, normally closed contacts of the voltage switching relays in all the test circuits are respectively connected with a voltage source in series, normally closed contacts of the voltage switching relays in all the test circuits are connected in parallel, and the short circuit detection circuit is connected with a voltage output port of a tested terminal.
6. The fusion terminal platform epitope selection circuit of claim 1, wherein the model of the master control module is STM32F 103.
7. The fusion terminal platform epitope selection circuit of claim 1, wherein said current protection module is of the DZL18-20 series.
8. The fusion terminal platform epitope selection circuit of claim 1, wherein the model of the terminal under test is iPAS-5612T.
9. The fusion terminal platform epitope selection circuit of claim 2, wherein the power consumption test module is AAA10F model.
10. The fusion terminal platform epitope selection circuit of claim 1, wherein the voltage protection module is of type TDTBP-40A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121562431.9U CN215005606U (en) | 2021-07-09 | 2021-07-09 | Fuse terminal platform epitope selection circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121562431.9U CN215005606U (en) | 2021-07-09 | 2021-07-09 | Fuse terminal platform epitope selection circuit |
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| Publication Number | Publication Date |
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| CN215005606U true CN215005606U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121562431.9U Active CN215005606U (en) | 2021-07-09 | 2021-07-09 | Fuse terminal platform epitope selection circuit |
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- 2021-07-09 CN CN202121562431.9U patent/CN215005606U/en active Active
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