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Anti-attenuation performance testing system and method for power consumption information collecting downlink communication unit

A communication unit, power consumption information technology, applied in signal transmission systems, electrical components, transmission systems, etc., can solve the problems of complex operation, high test cost, limited anti-attenuation performance test methods, etc., to achieve simple operation, easy implementation, The effect of low cost of testing

Inactive Publication Date: 2019-04-26
江苏米特物联网科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the key anti-attenuation performance in the communication performance of the downlink communication unit of the power consumption information collection system, the present invention proposes an easy-to-implement test system and method for the anti-attenuation performance of the power consumption information collection downlink communication unit, which simplifies the test structure and is easy to operate. Simple, used to solve the shortcomings of limited anti-attenuation performance test methods, high test costs, complex operations, and large deviations between test environments and actual application scenarios in the prior art

Method used

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  • Anti-attenuation performance testing system and method for power consumption information collecting downlink communication unit

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Embodiment 1

[0046] Embodiment 1: as Figure 4 As shown, the embodiment discloses a broadband HPLC type II collector-HPLC communication module anti-attenuation performance test system, which is mainly composed of a shielding box A, a radio frequency connection unit and a shielding box B.

[0047] The shielding box A is composed of a UPS power supply 11 , an I-type concentrator 12 , an HPLC master node communication module 13 , and an isolation coupling unit 14 . Among them: the UPS power supply 11 is connected to the power terminal of the I-type concentrator 12 to provide 220V AC power; the HPLC master node communication module 13 is embedded in the I-type concentrator 12; the I-type concentrator has manual buttons and an observation display screen, and the I-type concentrator The power terminal of the device 12 is also connected with the isolation coupling unit 14, that is, the UPS power supply 11 and the isolation coupling unit 13 are connected in parallel to the power terminal of the I-...

Embodiment 2

[0053] Embodiment 2: as Figure 5 As shown, a broadband HPLC communication module anti-attenuation performance test system is disclosed, which is mainly composed of a shielding box A, a radio frequency connection unit and a shielding box B.

[0054] The difference between this system and that of Embodiment 1 lies in the slave device and the slave node communication unit in the shielding box B. The shielding box B is mainly composed of a UPS power supply 21, a power meter 22, an HPLC slave node communication module 25 and an isolation coupling unit 24. Wherein, AC220V UPS power supply 21 is connected with the power supply terminal of electric energy meter 22, is used to provide AC220V power supply; Electric energy meter 22 is optional, promptly adopts single-phase electric energy meter, three-phase electric energy meter all can; HPCL is embedded in from node communication module 25 In the electric energy meter 22 ; the power terminal of the electric energy meter 22 is also con...

Embodiment 3

[0055] Embodiment 3: as Figure 6 As shown, a micropower communication module anti-attenuation performance test system is disclosed, which is mainly composed of a shielding box A, a radio frequency connection unit and a shielding box B.

[0056] In this system, the shielding box A mainly includes a UPS power supply 11 , an I-type concentrator 12 , and a micropower communication master node module 15 . Among them: the UPS power supply 11 is connected to the power terminal of the I-type concentrator 12 to provide 220V AC power; the micro-power communication master node module 15 is embedded in the I-type concentrator 12; the I-type concentrator has manual buttons and an observation display screen, and the micro-power The SMA antenna interface of the communication master node module is directly connected to the external radio frequency connection unit. The shielding box B mainly includes a UPS power supply 21 , a power meter 22 , and a micropower communication slave node module ...

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Abstract

The invention discloses an anti-attenuation performance testing system and method for a power consumption information collecting downlink communication unit, comprising a first shielding box, a radiofrequency connecting unit and a second shielding box, wherein the radio frequency connecting unit comprises a first fixed attenuator, an adjustable attenuator and a second fixed attenuator, which aresequentially connected; the first shielding box comprises a first UPS power source, a master device and a master node communication unit; the second shielding box comprises a second UPS power source,a slave device and a slave node communication unit; and the master node communication unit and the slave node communication unit communicate by a broadband carrier or a narrowband carrier, or micro power. An anti-attenuation performance testing method for a power consumption information collecting downlink communication unit is further discloses. The invention introduces an AC220V power supply, which makes the test environment close to the actual application scenario, simplifies the overall test structure, and has simple operation and low test cost.

Description

technical field [0001] The invention belongs to the technical field of power consumption information collection system testing, and in particular relates to a power consumption information collection downlink communication unit anti-attenuation performance test system and method. Background technique [0002] In recent years, the use of narrow-band carrier, broadband carrier and micro-power communication technologies to collect electricity information through concentrators, collectors, and carrier or micro-power communication modules in energy meters has been widely used. In the actual application process, the complexity of the power line channel and the time-varying load lead to attenuation in the carrier communication process is inevitable, and the electromagnetic interference generated by the complex power operating environment will affect the attenuation of micro-power communication through wireless transmission. Also big. Therefore, the anti-attenuation performance is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B17/309G08C17/02
CPCG08C17/02H04B17/309
Inventor 孙洋周一心杨琦李美红
Owner 江苏米特物联网科技有限公司