CN203490207U - Multichannel ozone detecting instrument for ring main unit - Google Patents

Abstract

The utility model discloses a multichannel ozone detecting instrument for a ring main unit. The multichannel ozone detecting instrument comprises a plurality of ozone sensors which are distributed inside the ring main units, pressure sensors which are arranged inside the ring main units, first A/D (analog/digital) converters corresponding to the ozone sensors one by one, second A/D converters corresponding to the pressure sensors one by one, a digital signal processor, a single chip microprocessor, an alarming device, a storage device, a keyboard and a display screen, wherein each ozone sensor is connected with the digital signal processor through the respective corresponding first A/D converter; each pressure sensor is connected with the digital signal processor through the respective corresponding second A/D converter; the digital signal processor, the alarming device, the storage device, the keyboard and the display screen are respectively connected with the single chip microprocessor. The ozone concentration inside the ring main unit and the air pressure inside each ring main unit are collected through multiple channels, so that the accurate measurement within a large range can be realized.

Description

A kind of hyperchannel ozonesonde for ring main unit

Technical field

The utility model relates to a kind of ozonesonde, relates in particular to a kind of hyperchannel ozonesonde for ring main unit.

Background technology

Along with the progressively foundation of development and the electricity market of electric system, the weak link of distribution network is more and more outstanding, is more and more not suitable with social demand.As the key equipment of distribution network, the safe and stable operation of ring main unit need to be protected.Therefore, need to monitor its running status, as a ring wherein: ring main unit internal high pressure electric discharge phenomena, need to be monitored.And produce this principle of ozone according to effluve, thereby differentiate discharge severity, the good monitoring means of can yet be regarded as according to the concentration value of ozone.But during ring main unit internal discharge, ozone concentration everywhere and air pressure are not necessarily identical, therefore, design can accurate detection go out ring main unit inside everywhere the detection instrument of ozone concentration be that the applicant is devoted to the problem solving.

Summary of the invention

The purpose of this utility model is to provide a kind of hyperchannel ozonesonde for ring main unit, by multi-channel layout, gathers ring main unit inside ozone concentration and ring main unit air pressure inside everywhere, realizes large-scale Measurement accuracy.Meanwhile, the utlity model has that the life-span is long, cost is low and advantage that can security alarm.

The technical scheme that realizes above-mentioned purpose is:

A kind of hyperchannel ozonesonde for ring main unit, comprise be distributed in some ozone sensors of each ring main unit inside, a pressure transducer of each ring main unit internal placement, with described some ozone sensors one to one the first A/D converter, with described each pressure transducer the second A/D converter, digital signal processor, single-chip microcomputer, alarm, storer, keyboard and display screen one to one, wherein:

Described each ozone sensor connects described digital signal processor by each self-corresponding first A/D converter;

Described each pressure transducer connects described digital signal processor by each self-corresponding second A/D converter;

Described digital signal processor, alarm, storer, keyboard and display screen are connected with described single-chip microcomputer respectively.

The above-mentioned hyperchannel ozonesonde for ring main unit, wherein, described hyperchannel ozonesonde also comprises the RS485 interface that connects described single-chip microcomputer.

The beneficial effects of the utility model are: the utility model, by multi-channel layout, gathers ring main unit inside ozone concentration and ring main unit air pressure inside everywhere, carries out comprehensive analysis processing, realizes the Measurement accuracy of interior ozone concentration value on a large scale.Meanwhile, the utlity model has that the life-span is long, cost is low and advantage that can security alarm.

Accompanying drawing explanation

Fig. 1 is the structural representation of the hyperchannel ozonesonde for ring main unit of the present utility model.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Refer to Fig. 1, hyperchannel ozonesonde for ring main unit of the present utility model, comprise be distributed in some ozone sensors 1 of each ring main unit inside, a pressure transducer 2 of each ring main unit internal placement, with some ozone sensors 1 one to one the first A/D converter 3, with each pressure transducer 2 the second A/D converter 4, digital signal processor 5, single-chip microcomputer 6, alarm 7, storer 8, keyboard 9, display screen 10 and RS485 interface 11 one to one, wherein:

Each ozone sensor 1, by each self-corresponding first A/D converter 3 linking number word signal processors 5, gathers periphery ozone concentration value, and the simulating signal of sending is converted into digital signal through the first A/D converter 3, passes to digital signal processor 5;

Each pressure transducer 2, by each self-corresponding second A/D converter 4 linking number word signal processors 5, gathers the air pressure in ring main unit, and the simulating signal of sending is converted into digital signal through the second A/D converter 4, passes to digital signal processor 5;

Digital signal processor 5, alarm 7, storer 8, keyboard 9, display screen 10 and RS485 interface 11 are connected with single-chip microcomputer 6 respectively; Wherein, keyboard 9 and display screen 10 are realized input and output, and RS485 interface 11 is realized with other system (such as computing machine) mutual; Storer 8 is for storing data; In the present embodiment, the model that digital signal processor 5 is selected is TMS320F2808; Single-chip microcomputer 6 is selected the AT89CXX series of Atmel;

In the utility model, digital signal processor 5 is classified each digital signal receiving, and pass to single-chip microcomputer 6 Treatment Analysis, single-chip microcomputer 6 is according to the force value obtaining, whether each ozone concentration value that judgement obtains exceeds standard and shows on display screen 10, deposit in storer 8 simultaneously, and by alarm 7, report to the police when surpassing warning value.

To sum up, the utility model, by multi-channel layout, gathers ring main unit inside ozone concentration and ring main unit air pressure inside everywhere, carries out comprehensive analysis processing, realizes the Measurement accuracy of interior ozone concentration value on a large scale.

Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that not departing from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.

Claims (2)

1. the hyperchannel ozonesonde for ring main unit, it is characterized in that, comprise be distributed in some ozone sensors of each ring main unit inside, a pressure transducer of each ring main unit internal placement, with described some ozone sensors one to one the first A/D converter, with described each pressure transducer the second A/D converter, digital signal processor, single-chip microcomputer, alarm, storer, keyboard and display screen one to one, wherein:

Described each ozone sensor connects described digital signal processor by each self-corresponding first A/D converter;

Described each pressure transducer connects described digital signal processor by each self-corresponding second A/D converter;

Described digital signal processor, alarm, storer, keyboard and display screen are connected with described single-chip microcomputer respectively.

2. the hyperchannel ozonesonde for ring main unit according to claim 1, is characterized in that, described hyperchannel ozonesonde also comprises the RS485 interface that connects described single-chip microcomputer.

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