CN206146976U - Static formula electric energy meter - Google Patents

Abstract

The utility model provides a static formula electric energy meter, includes electric signal sampling module, contains current sample module and voltage sample module, metering modules, with electric signal sampling module is connected, gains the sampled signal of electric current, voltage, measures single -phase three -wire voltage, electric current, power, electric energy, logging module, with metering modules connects for the data of record metering modules measurement, in addition in it is setting up the second sieve tray on the inner wall in hole to supply gas, in addition air conduction channel's afterbody is the end of supplying gas, the end of supplying gas sets up on the rear portion wall is personally experienced sth. Part of the body to the cabinet, in addition the end of supplying gas communicates with each other inside personally experiencing sth. Part of the body with the cabinet, avoided effectively that refrigeration efficiency is low, during the external liquid invasion and attack also easily the infiltration advance to cause in the cabinet body defect of the harm that danger and humidity increaseed.

Description

Static electric energy meter

Technical field

This utility model is related to electric energy meter technical field, more particularly to a kind of static electric energy meter.

Background technology

Electronic electric energy meter is a kind of static electric energy meter, is static electronic measurement mode, there is no mechanical rotating part Point, so the mode of its installation, affects less to the error of electric energy metrical.A kind of existing function is more complete, be more suitable for multilamellar The static electric energy meter in face, it includes electric power signal sampling module, comprising current sample module and voltage sample module；Metering mould Block, is connected with the electric power signal sampling module, obtains electric current, the sampled signal of voltage, voltage, electric current to single-phase three-wire, Power, electric energy are measured；Logging modle, is connected with the metering module, for recording the data of metering module metering；Micro-control Device processed, is connected with the metering module, reads continuous data from the metering module and carries out following process：According to metering module The data of metering calculate respectively active power, reactive power, apparent energy, voltage effective value and current effective value data；According to Active power calculates load data；Load data is recorded, is shown and Communication processing；Self-inspection is processed, and self-inspection timesharing sets Put mistake, nonvolatile storage mistake, clock error, measuring error, battery undervoltage mistake；Power supply, respectively with the metering mould Block and microcontroller connect, there is provided the electric energy meter working power；The electric power signal sampling module, metering module, record mould Block, microcontroller and power supply are all disposed within housing, and the housing is arranged in cabinet.

And existing cabinet refrigerating device refrigeration efficiency is low, real refrigeration demand is not realized, heat cannot be discharged just The service behaviour of electric power signal sampling module, metering module, logging modle, microcontroller and power supply will be allowed to have a greatly reduced quality and event Barrier rate is high so that the cost of repairs is increased；In addition when outside liquid is attacked, also it is readily permeable enter cabinet in, cause dangerous and wet The harm that degree is increased.

Utility model content

To solve the above problems, this utility model provide a kind of static electric energy meter, effectively prevent refrigerating efficiency it is low, When outside liquid is attacked also it is readily permeable enter cabinet in the harm that causes dangerous and humidity to increase, cabinet be not easy to be coupled firmly and The defect of loosening.

In order to overcome deficiency of the prior art, this utility model to provide a kind of solution of static electric energy meter, It is specific as follows：

A kind of static electric energy meter, including electric power signal sampling module, comprising current sample module and voltage sample module； Metering module, is connected with the electric power signal sampling module, obtains electric current, the sampled signal of voltage, voltage to single-phase three-wire, Electric current, power, electric energy are measured；Logging modle, is connected with the metering module, for recording the number of metering module metering According to；Microcontroller, is connected with the metering module, reads continuous data from the metering module and carries out following process：According to The data of metering module metering calculate respectively active power, reactive power, apparent energy, voltage effective value and current effective value number According to；Load data is calculated according to active power；Load data is recorded, is shown and Communication processing；Self-inspection is processed, self-inspection Timesharing arranges mistake, nonvolatile storage mistake, clock error, measuring error, battery undervoltage mistake；Power supply, respectively with it is described Metering module and microcontroller connect, there is provided the electric energy meter working power；The electric power signal sampling module, metering module, Logging modle, microcontroller and power supply are all disposed within housing；

The cabinet T1 the insides set up the accommodating chamber T2 accommodated into mechanism of qi T3；Set up mechanism of qi in the accommodating chamber T3 The lower end of T3, the accommodating chamber T2 is provided with through injection well T4, and the injection well T4 is connected with air guide channel T5, in addition in Second sieve tray T7 is set on the backing of the injection well T4, and in addition the afterbody of the air guide channel T5 is aspirating end T6, institute State aspirating end T6 to be arranged in cabinet T1 rear walls, in addition the aspirating end T6 is communicated with cabinet T1 the insides；The aspirating end T6 Part T8 towards electric power signal sampling module, metering module, logging modle, microcontroller and power supply is arranged；The cabinet T1 Top also set up support chip T9, be provided with the support chip T9 with the air inlet T11 communicated inside the accommodating chamber T3, institute State air inlet T11 to be also connected with dehumidifier T14, in the more high position of the support chip T9 drip pan T15, the Sheng are set up Liquid disk T15 is middle part domes directed downwardly, and the projection of the support chip T9 in the vertical directions is being erected by the drip pan T15 Nogata projection upwards is surrounded；In addition the edge of the drip pan T15 is also with the bending section T16 for bending upward.

The material of the air guide channel T5 is rubber so that flexible.

The drip pan T15 between support chip TA9 carry connection strap T12.

The quantity of the connection strap T12 is more than five.

Such cabinet is led into outer gas stream via mechanism of qi T3 is entered towards in cabinet T1, realizes the refrigeration for cabinet T1, system Cold efficiency is high, improves the work of the part T8 of electric power signal sampling module, metering module, logging modle, microcontroller and power supply Make environment, fault rate is also minimized, in addition the second sieve tray T7 also reduces impurity the invading into cabinet in outer gas stream Disturb, part T8s of the aspirating end T6 towards electric power signal sampling module, metering module, logging modle, microcontroller and power supply Arrange and cause to ensure that refrigeration is targeted, further improve refrigerating efficiency, reduce power consumption, it is therefore prevented that loss, the Sheng Liquid disk T15 is that the support chip T9 realizes isolation and freezes, and the liquid of external aggression is also filled via the drip pan T15, is improved Refrigerating efficiency.

Description of the drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation at the top of cabinet of the present utility model.

Fig. 3 is cabinet part-structure schematic diagram of the present utility model.

Specific embodiment

This utility model is described further below in conjunction with accompanying drawing.

With reference to the accompanying drawings knowable to 1- Fig. 3, a kind of static electric energy meter of the present utility model, including electric power signal sampling module, Comprising current sample module and voltage sample module；Metering module, is connected with the electric power signal sampling module, acquirement electric current, The sampled signal of voltage, voltage, electric current to single-phase three-wire, power, electric energy are measured；Logging modle, with the metering mould Block connects, for recording the data of metering module metering；Microcontroller, is connected with the metering module, from the metering module Read continuous data and carry out following process：According to the data of metering module metering active power, reactive power are calculated respectively, is regarded In power, voltage effective value and current effective value data；Load data is calculated according to active power；Load data is remembered Record, display and Communication processing；Self-inspection is processed, and self-inspection timesharing arranges mistake, nonvolatile storage mistake, clock error, metering mistake By mistake, battery undervoltage mistake；Power supply, is connected respectively with the metering module and microcontroller, there is provided the electric energy meter working power； The electric power signal sampling module, metering module, logging modle, microcontroller and power supply are all disposed within housing；

The cabinet T1 the insides set up the accommodating chamber T2 accommodated into mechanism of qi T3；Set up mechanism of qi in the accommodating chamber T3 The lower end of T3, the accommodating chamber T2 is provided with through injection well T4, and the injection well T4 is connected with air guide channel T5, in addition in Second sieve tray T7 is set on the backing of the injection well T4, and in addition the afterbody of the air guide channel T5 is aspirating end T6, institute State aspirating end T6 to be arranged in cabinet T1 rear walls, in addition the aspirating end T6 is communicated with cabinet T1 the insides；The aspirating end T6 Part T8 towards electric power signal sampling module, metering module, logging modle, microcontroller and power supply is arranged, during operation, via Enter mechanism of qi T3 to lead towards in cabinet T1 into outer gas stream, realize the refrigeration for cabinet T1, high cooling efficiency improves electric power signal The working environment of the part T8 of sampling module, metering module, logging modle, microcontroller and power supply, fault rate is also minimized, Other second sieve tray T7 also reduces the invasion that the impurity in outer gas stream enters cabinet, and the aspirating end T6 believes towards electric energy The part T8 of number sampling module, metering module, logging modle, microcontroller and power supply is arranged and is caused to ensure that refrigeration is directed to Property, refrigerating efficiency is further improved, reduce power consumption, it is therefore prevented that loss；Support chip is also set up at the top of the cabinet T1 T9, is provided with the air inlet T11 communicated inside the accommodating chamber T3 on the support chip T9, and the air inlet T11 is also with dehumidifying Machine T14 is connected, and during operation, the air-flow come to entering via dehumidifier T14 realizes dehumidifying, prevents from disturbing the part in cabinet T1 Work, set up drip pan T15 in the more high position of the support chip T9, the drip pan T15 is middle part arch directed downwardly Structure, the projection of the support chip T9 in the vertical directions is surrounded by the projection of the drip pan T15 in the vertical directions；Fortune During row, the drip pan T15 is that the support chip T9 realizes isolation and freezes, and also fills external aggression via the drip pan T15 Liquid, improve refrigerating efficiency；In addition the edge of the drip pan T15 is also with the bending section T16 for bending upward, operation When, when the liquid in the drip pan T15 exceedes receiving scope, derive via bending section T16；The drip pan T15 is with support Connection strap T12 is carried between piece TA9, the quantity of the connection strap T12 is more than five.

Such cabinet is led into outer gas stream via mechanism of qi T3 is entered towards in cabinet T1, realizes the refrigeration for cabinet T1, system Cold efficiency is high, improves the work of the part T8 of electric power signal sampling module, metering module, logging modle, microcontroller and power supply Make environment, fault rate is also minimized, in addition the second sieve tray T7 also reduces impurity the invading into cabinet in outer gas stream Disturb, part T8s of the aspirating end T6 towards electric power signal sampling module, metering module, logging modle, microcontroller and power supply Arrange and cause to ensure that refrigeration is targeted, further improve refrigerating efficiency, reduce power consumption, it is therefore prevented that loss, the Sheng Liquid disk T15 is that the support chip T9 realizes isolation and freezes, and the liquid of external aggression is also filled via the drip pan T15, is improved Refrigerating efficiency.

The material of the air guide channel T5 is rubber so that flexible.

Above this utility model is described in the way of illustrating, it will be understood by those of skill in the art that this It is open to be not limited to embodiments described above, in the case of without departing from scope of the present utility model, can make a variety of changes, Change and replace.

Claims (4)

1. a kind of static electric energy meter, it is characterised in that including electric power signal sampling module, comprising current sample module and voltage Sampling module；Metering module, is connected with the electric power signal sampling module, electric current, the sampled signal of voltage is obtained, to single-phase three The voltage of line, electric current, power, electric energy are measured；Logging modle, is connected with the metering module, for recording metering module The data of metering；Microcontroller, is connected with the metering module, reads continuous data from the metering module and carries out from following Reason：Active power, reactive power, apparent energy, voltage effective value and electric current are calculated respectively according to the data of metering module metering Effective Value Data；Load data is calculated according to active power；Load data is recorded, is shown and Communication processing；Self-inspection Process, self-inspection timesharing arranges mistake, nonvolatile storage mistake, clock error, measuring error, battery undervoltage mistake；Power supply, point It is not connected with the metering module and microcontroller, there is provided the electric energy meter working power；The electric power signal sampling module, meter Amount module, logging modle, microcontroller and power supply are all disposed within housing；

Cabinet the inside sets up the accommodating chamber accommodated into mechanism of qi；Set up mechanism of qi in the accommodating chamber, under the accommodating chamber End is provided with through injection well, and the injection well is connected with air guide channel, arranges on the backing of the injection well in addition Second sieve tray, in addition the afterbody of the air guide channel is aspirating end, and the aspirating end is arranged in cabinet rear wall, in addition institute State aspirating end to communicate with cabinet the inside；The aspirating end is towards electric power signal sampling module, metering module, logging modle, micro-control The part of device processed and power supply is arranged；Support chip is also set up at the top of the cabinet, is provided with the support chip with the receiving The air inlet that chamber interior is communicated, the air inlet is also connected with dehumidifier, sets up in the more high position of the support chip and contains Liquid disk, the drip pan is middle part domes directed downwardly, and the projection of the support chip in the vertical direction is by the drip pan The projection of in the vertical direction is surrounded；In addition the edge of the drip pan is also with the bending section for bending upward.

2. static electric energy meter according to claim 1, it is characterised in that the material of the air guide channel is rubber.

3. static electric energy meter according to claim 1, it is characterised in that the drip pan between support chip with connection Bar.

4. static electric energy meter according to claim 1, it is characterised in that the quantity of the connection strap is more than five.