CN208860903U - A kind of multifunctional electric meter - Google Patents

Abstract

The utility model provides a kind of multifunctional electric meter, comprising: front panel, display screen, upper key, lower key, setting button, rear shell, connecting terminal；The front panel is mounted on the front end of rear shell, and front panel is connected with rear shell by snap fit；The display screen is forward-mounted the inside of plate by embedded mode；The upper key, lower key, setting button are forward-mounted on the outer wall of plate by embedded mode, and upper key, lower key, setting button are located at the lower section of display screen；The connecting terminal is mounted on the back of rear shell by embedded mode.The utility model has reasonable in design by the improvement to electric instrument, and frictional force is big, good antiskid effect is easily installed, good limit effect, it is applied widely, it is practical the advantages that, thus the problem of effective solution the utility model proposes in background technique one and deficiency.

Description

A kind of multifunctional electric meter

Technical field

The utility model relates to field of instrumentation technology, more specifically, more particularly to a kind of multifunctional electric meter.

Background technique

Instrument is to show the instrument general name of numerical value, including pressure gauge flow instrument and various analysis instruments etc., instrument Type have very much, difference all has the function of different, and the different multiple instrument combines of function use, and common cooperation, which meets, to be supervised Survey with control demand, such combination electric system, industrial and mining enterprises, petrochemical industry, Ferrous Metallurgy, rail traffic, The industries such as public utility, intelligent building are widely used.

In the more demanding industry of some automatization levels, need to carry out electric power stringent monitoring, but existing electricity Power instrument function is more single, it usually needs measurement indicating meter, electric energy measurement instrument and the cooperation pair of relevant auxiliary unit Electric power is monitored, and installation procedure is relatively complicated, and practicability is poor.

In view of this, being studied improvement for existing problem, a kind of multifunctional electric meter is provided, it is intended to by this Technology achievees the purpose that solve the problems, such as and improves practical value.

Utility model content

The purpose of this utility model is to provide a kind of multifunctional electric meters, existing to solve to propose in background technique Electric instrument function it is more single, it usually needs measurement indicating meter, electric energy measurement instrument and relevant auxiliary unit are matched Conjunction is monitored electric power, and installation procedure is relatively complicated, practicability poor problem and deficiency.

To achieve the above object, the utility model provides a kind of multifunctional electric meter, by technological means in detail below Reached:

A kind of multifunctional electric meter, comprising: front panel, upper key, lower key, setting button, rear shell, connects display screen Line terminals；The front panel is mounted on the front end of rear shell, and front panel is connected with rear shell by snap fit；The display screen The inside of plate is forward-mounted by embedded mode；Before the upper key, lower key, setting button are mounted on by embedded mode On the outer wall of panel, and upper key, lower key, setting button are located at the lower section of display screen；The connecting terminal passes through insertion side Formula is mounted on the back of rear shell.

Preferably, the rear shell is 70 millimeters of side length of quadrangular shape structure, and C is fallen in the junction of rear shell side and side Angle, and the junction of rear shell side and side is provided with corrugated anti-skid bulge.

Preferably, rectangular strip groove at two is symmetrically arranged on the outer wall of the every place side of the rear shell.

Preferably, the connecting terminal is provided at three altogether, and the device mode of connection is three-phase four-wire system.

Preferably, the display screen is LCD display, and display screen is connected by three-phase four-wire system cable with RS485.

Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art

1, the quadrangular shape structure that the utility model rear shell is 70 millimeters of side length, and the junction of rear shell side and side is fallen The angle C, and the junction of rear shell side and side is provided with the setting of corrugated anti-skid bulge, can be packed into 200 or more GCK Switch cabinet drawer unit, it is applied widely, and anti-skid bulge can effectively increase the frictional force of rear shell.

2, the setting of rectangular strip groove at two is symmetrically arranged on the outer wall of the every place side of the utility model rear shell, just In installation, good limit effect is not easily shifted.

3, the utility model display screen is the setting of LCD display, and display is relatively sharp, and has backlight, facilitates O&M Personnel check.

4, the utility model is by the improvement to electric instrument, has reasonable in design, and frictional force is big, antiskid effect It is good, be easily installed, good limit effect, it is applied widely, it is practical the advantages that, so that effective solution the utility model exists The problem of being proposed in background technique one and deficiency.

Detailed description of the invention

The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing In:

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the view structural schematic diagram obliquely downward of the utility model.

Fig. 3 is the backsight structural representation of the utility model.

Fig. 4 is the equipment elementary diagram of the utility model.

Fig. 5 is that the measured value of the utility model checks flow chart.

Fig. 6 is the electric energy of the utility model and maximum duty time to check flow chart.

Fig. 7 is that the harmonic wave of the utility model checks flow chart.

Fig. 8 is the programming mode flow chart of the utility model.

Fig. 9 is the removing electricity and record flow chart of the utility model.

Figure 10 is the time setting procedure figure of the utility model.

Figure 11 is the circuit diagram of the utility model.

Figure 12 is the circuit diagram of the utility model.

Figure 13 is the circuit diagram of the utility model.

Figure 14 is the circuit diagram of the utility model.

Figure 15 is the circuit diagram of the utility model.

Figure 16 is the circuit diagram of the utility model.

In figure: front panel 1, display screen 2, upper key 3, lower key 4, setting button 5, rear shell 6, connecting terminal 7.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

It should be noted that in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two More than a；The instructions such as term " on ", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation Make, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply Relative importance.

Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection " It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect It connects, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the general of this field For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Referring to Figure 1 to Figure 16, the utility model provides a kind of particular technique embodiment of multifunctional electric meter:

A kind of multifunctional electric meter, comprising: front panel 1, display screen 2, upper key 3, lower key 4, setting button 5, after Shell 6, connecting terminal 7；Front panel 1 is mounted on the front end of rear shell 6, and front panel 1 is connected with rear shell 6 by snap fit；It is aobvious Display screen 2 is forward-mounted the inside of plate 1 by embedded mode；Upper key 3, lower key 4, setting button 5 are pacified by embedded mode On the outer wall of front panel 1, and upper key 3, lower key 4, setting button 5 are located at the lower section of display screen 2；Connecting terminal 7 is logical Cross the back that embedded mode is mounted on rear shell 6.

Specifically, rear shell 6 is 70 millimeters of side length of quadrangular shape structure, and C is fallen in the junction of 6 side of rear shell and side Angle, and the junction of 6 side of rear shell and side is provided with corrugated anti-skid bulge, can be packed into 200 or more GCK switchgears Drawer unit, it is applied widely, and anti-skid bulge can effectively increase the frictional force of rear shell.

Specifically, being symmetrically arranged with rectangular strip groove at two on the outer wall of the every place side of rear shell 6, it is easily installed, limits Position effect is good, not easily shifted.

Specifically, connecting terminal 7 is provided at three altogether, and the device mode of connection is three-phase four-wire system.

Specifically, display screen 2 is LCD display, and display screen 2 is connected by three-phase four-wire system cable with RS485, is shown Show it is relatively sharp, and have backlight, facilitate operation maintenance personnel to check.

Specific implementation step:

The novel electric power instrument is arranged altogether there are three key, and the function of three keys in different modes not phase It is same:

Upper key 3: under measurement pattern: pressing this key, circulation display frequency, total power factor, split-phase power factor, total view exist Power, total idle, total active, split-phase apparent energy, split-phase reactive power, split-phase active power, three-phase current, three-phase line voltage Close three-phase phase voltage；Under programming mode: pressing this key, 1 can be added in menu page turning at the same level or numerical value；Under harmonic mode: pressing this key, follow Ring shows 20-2 subharmonic containing ratio, total relative harmonic content.

Lower key 4: under measurement pattern: pressing this key, circulation display three-phase phase voltage, three-phase line voltage, three-phase current, split-phase Active power, split-phase reactive power, split-phase apparent energy, total active, total idle, total apparent energy, split-phase power factor, total work Rate factor and frequency；Under programming mode: this key is pressed, it can be in menu page turning at the same level or the next configurable data of switching；Harmonic wave mould Under formula: pressing this key, circulation shows total relative harmonic content, 2-20 subharmonic containing ratio；Under cleaning module: pressing this key, selection is removed Electricity removes record.

Setting button 5: under measurement pattern: pressing this key, circulation shows positive active electrical degree, positive idle electric degree, reversely has Function electric degree, reversed idle electric degree, equipment time, current maxima and the time of the time of generation, voltage minimum and generation；It compiles Under journey mode or time mode: this key is pressed, for confirming the selection of menu item and the modification of parameter；Under cleaning module: pressing this Key, confirmation are removed

Key in long-pressing: under measurement pattern: in voltage or current display interface, this key is pressed, into voltage or current Harmonic wave display pattern.

Long-pressing down key: under programming mode: pressing this key, exit programming mode；Under harmonic mode: pressing this key, exit harmonic wave mould Under formula time mode: pressing this key, exit time mode；Under cleaning module: pressing this key, exit cleaning module；When temperature alarming: pressing This key, artificial involution alarm condition.

Key 3+ setting button 5 in long-pressing: under measurement pattern: this key is pressed, into removing electricity and removes logging mode, it is defeated After entering correct password, it may be selected to remove electricity or remove record.

Length presses the button 4+ setting button 5: under measurement pattern: pressing this key, entry time mode inputs correct password Afterwards, the time of settable instrument.

Long-pressing setting button 5: under measurement pattern: this key is pressed, it is settable after inputting correct password into programming mode Instrument is programmed setting.

The novel electric power instrument measurement value checks that process is as shown in Figure 4；Measured value checks that process is as shown in Figure 5；Electric energy and The maximum duty time checks that process is as shown in Figure 6；Harmonic wave checks that process is as shown in Figure 7；Programming mode process is as shown in Figure 8；Clearly Except electricity and record process are as shown in Figure 9；Time setting procedure is as shown in Figure 10.

In summary: a kind of multifunctional electric meter, the quadrangular shape structure for being 70 millimeters of side length by rear shell, and after The junction angle of falling C in shell-side face and side, and the junction of rear shell side and side is provided with setting for corrugated anti-skid bulge It sets, 200 or more GCK switch cabinet drawer units can be packed into, it is applied widely, and anti-skid bulge can effectively increase rear shell Frictional force；It is symmetrically arranged with the setting of rectangular strip groove at two on outer wall by the every place side of rear shell, is easily installed, Good limit effect, it is not easily shifted；It is the setting of LCD display by display screen, display is relatively sharp, and has backlight, convenient Operation maintenance personnel is checked；By the improvement to electric instrument, have that reasonable in design, frictional force is big, good antiskid effect, convenient for peace Dress, good limit effect, advantage applied widely, practical, so that effective solution the utility model is in background technique The problem of being proposed in one and deficiency.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of multifunctional electric meter, comprising: front panel (1), display screen (2), upper key (3), lower key (4), setting are pressed Key (5), rear shell (6), connecting terminal (7)；It is characterized by: the front panel (1) is mounted on the front end of rear shell (6), and front Plate (1) is connected with rear shell (6) by snap fit；The display screen (2) is forward-mounted the interior of plate (1) by embedded mode Side；The upper key (3), lower key (4), setting button (5) are forward-mounted on the outer wall of plate (1) by embedded mode, and Upper key (3), lower key (4), setting button (5) are located at the lower section of display screen (2)；The connecting terminal (7) passes through insertion side Formula is mounted on the back of rear shell (6).

2. a kind of multifunctional electric meter according to claim 1, it is characterised in that: the rear shell (6) is 70 milli of side length The quadrangular shape structure of rice, and the junction angle of falling C of rear shell (6) side and side, and the connection of rear shell (6) side and side Place is provided with corrugated anti-skid bulge.

3. a kind of multifunctional electric meter according to claim 1, it is characterised in that: the every place side of rear shell (6) Rectangular strip groove at two is symmetrically arranged on outer wall.

4. a kind of multifunctional electric meter according to claim 1, it is characterised in that: the connecting terminal (7) is arranged altogether Have at three, and the device mode of connection is three-phase four-wire system.

5. a kind of multifunctional electric meter according to claim 1, it is characterised in that: the display screen (2) is that LCD is shown Screen, and display screen (2) is connected by three-phase four-wire system cable with RS485.