CN206270391U - A kind of multifunctional electric energy watch shell - Google Patents
A kind of multifunctional electric energy watch shell Download PDFInfo
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- CN206270391U CN206270391U CN201621441975.9U CN201621441975U CN206270391U CN 206270391 U CN206270391 U CN 206270391U CN 201621441975 U CN201621441975 U CN 201621441975U CN 206270391 U CN206270391 U CN 206270391U
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- 238000004891 communication Methods 0.000 claims description 11
- 230000007935 neutral effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 27
- 230000005611 electricity Effects 0.000 description 21
- 230000004907 flux Effects 0.000 description 16
- 238000005259 measurement Methods 0.000 description 13
- 230000008014 freezing Effects 0.000 description 7
- 238000007710 freezing Methods 0.000 description 7
- 230000006837 decompression Effects 0.000 description 6
- 241001269238 Data Species 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000013500 data storage Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000819 phase cycle Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
A kind of multifunctional electric energy watch shell includes upper lid and bottom seat,Base is provided with opening and two parallel guide rails,Two parallel guide rails are distributed in the opening both sides of base,Upper lid along two parallel slides and can cover the opening of base simultaneously,LCD display terminal in electrical contact is provided with first guide rail,Upturning key is arranged at intervals with second guide rail,Downturning key,The terminal in electrical contact of key and return key is set,When upper lid is covered with the opening of base,LCD display terminal in electrical contact is electrically connected the LCD display that the LCD display load port that upper lid is set is loaded with the electric energy plate in base by the hiding end of cabling,And upturning key,Downturning key,The button that setting key and return key are each loaded can respectively pass through upturning key,Downturning key,Key is set and the terminal in electrical contact of return key is electrically connected with the electric energy plate in base,The LCD display of lid can effectively be prevented,The electrical connection of the electric energy plate in button and base is interrupted by mistake,Beneficial to the safe operation of multifunctional electric energy meter.
Description
Technical field
The utility model is related to technical field of electricity, more particularly, to a kind of multifunctional electric energy watch shell.
Background technology
In electric field, electrical equipment (such as hospital, the electrical equipment in subway place) is in the process of running due to electricity
The influence of the factors such as net power supply, load variations, equipment state, the power information (such as electric current, voltage and power) of electrical equipment
Can be continually changing.It is thus typically necessary to the power information for gathering electrical equipment is analyzed, to safeguard the safety and stability of electrical equipment
Operation.In real work, engineering staff sometimes need electrical equipment with electrical circuit over-assemble multifunctional electric energy meter come
The power information of electrical equipment is gathered, during assembled multifunctional electric energy meter, needs to utilize connecting line often by the LCD of upper lid
Display screen, button are electrically connected the electric energy plate in base, and are covered with base when fastening or separating when upper, because connecting line is logical
It is often shorter and be easy to be pulled apart by mistake, so as to the electric energy plate that is easy to interrupt in the LCD display, button and the base that cover by mistake
Electrical connection, is unfavorable for the safe and stable operation of multifunctional electric energy meter.
Utility model content
For drawbacks described above, the utility model discloses a kind of multifunctional electric energy watch shell, lid can be effectively prevented
The electrical connection of the electric energy plate in LCD display, button and base is interrupted, beneficial to the safe and stable operation of multifunctional electric energy meter.
Wherein, a kind of multifunctional electric energy watch shell, including upper lid and bottom seat, the base be provided with opening and two simultaneously
Row guide rail, described two parallel guide rails are distributed in the opening both sides of the base, and the upper lid can be while along described two simultaneously
Row slide simultaneously covers the opening of the base；Be provided with the upper lid LCD display load port and upturning key loading hole,
Downturning key loading hole, setting key loading hole and return key loading hole；LCD display is provided with guide rail described in first to be electrically connected with
Contravention, is arranged at intervals with upturning key terminal in electrical contact, downturning key terminal in electrical contact, setting on guide rail described in second
Key terminal in electrical contact and return key terminal in electrical contact；When the upper lid is covered with the opening of the base, the LCD
Display screen terminal one end in electrical contact electrically connects the hiding end of the first cabling, the LCD display terminal other end in electrical contact
Electrically connect the hiding end of the second cabling, the hiding end of first cabling be hidden in base side wall and the first cabling exposed end
The chassis interior is exposed to for electrically connecting electric energy plate；The hiding end of second cabling is hidden in the wall of lid side and second
The exposed end of cabling is exposed to the upper lid inside for electrically connecting the LCD display that the LCD display load port is loaded；Institute
Upturning key terminal one end in electrical contact, downturning key terminal one end in electrical contact are stated, key terminal one end in electrical contact is set and is returned
Go back to key terminal one end in electrical contact and be respectively used to electrically connect upturning key, downturning key loading hole that upturning key loading hole installs and install
Downturning key, the return key that key and return key loading hole are installed that sets that the installation of key loading hole is set；The upturning key is electrically connected with
The sub- other end of contravention, downturning key the terminal other end in electrical contact, the setting key terminal other end in electrical contact and return key are electrical
The contact terminal other end is respectively used to electrically connect electric energy plate.
Preferably, the side on the base near guide rail described in described first is provided with three-phase voltage input subcard
Position, the screens of neutral voltage input terminal and three-phase current input terminal screens；It is close on the base described in described second and is led
The opposite side of rail is provided with the screens of neutral voltage lead-out terminal, three-phase current lead-out terminal screens；Wherein, it is close on the base
The side of guide rail described in described first is relative with the opposite side on the base near guide rail described in described second.
Preferably, the side on the base near guide rail described in described first is additionally provided with RS485 communication interface screens.
In the utility model, multifunctional electric energy watch shell include upper lid and bottom seat, base be provided with opening and two simultaneously
Row guide rail, two parallel guide rails are distributed in the opening both sides of base, and upper lid along two parallel slides and can be covered simultaneously
The opening of base, wherein, LCD display terminal in electrical contact is provided with the first guide rail, it is arranged at intervals with the second guide rail
The terminal in electrical contact that turn over key, downturning key, key and return key are set, when upper lid is covered with the opening of base, LCD display
Terminal in electrical contact can by the hiding end of cabling by it is upper lid set LCD display load port load LCD display with
Electric energy plate electrical connection in base, and upturning key, downturning key, the button that key and return key each load is set passes through respectively
Upturning key, downturning key, key and the terminal in electrical contact of return key are set are electrically connected with the electric energy plate in base, so that both can be with
Realize that multifunctional electric energy meter is convenient, efficient assembling, but also can effectively prevent LCD display, button and the base of lid
The electrical connection of electric energy plate be interrupted, beneficial to the safe and stable operation of multifunctional electric energy meter.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model, below by the accompanying drawing to be used needed for embodiment
It is briefly described, it should be apparent that, drawings in the following description are only some examples of the present utility model, for this area
For those of ordinary skill, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of top view of multifunctional electric energy watch shell disclosed in the utility model；
Fig. 2 is a kind of left view of the multifunctional electric energy watch shell shown in Fig. 1；
Fig. 3 is a kind of upward view of the multifunctional electric energy watch shell shown in Fig. 1；
Fig. 4 is the top view of the base in a kind of multifunctional electric energy watch shell shown in Fig. 1.
Specific embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical scheme in the utility model is clearly and completely retouched
State, it is clear that described example is only a part of example of the utility model, rather than whole examples.Based on the utility model
In example, the every other example that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
The utility model discloses a kind of multifunctional electric energy watch shell, LCD display, the button of lid can be effectively prevented
Electrical connection with the electric energy plate in base is interrupted, beneficial to the safe and stable operation of multifunctional electric energy meter.It should be noted that real
Apply in example if being described to during direction (upper and lower, left and right, before and after), be with structure shown in the drawings be with reference to description, this
Do not limit to so in the actually used direction of utility model.
Fig. 1~Fig. 4 is referred to, Fig. 1 is a kind of top view of multifunctional electric energy watch shell, Fig. 2 disclosed in the utility model
It is a kind of left view of the multifunctional electric energy watch shell shown in Fig. 1, Fig. 3 is a kind of multifunctional electric energy watch shell shown in Fig. 1
Upward view, Fig. 4 is the top view of the base in a kind of multifunctional electric energy watch shell shown in Fig. 1.As shown in Figure 1 to 4, this is more
Function electric energy meter casing can include upper lid 1 and base 2, wherein：
The base 2 is provided with opening and two parallel guide rail a, b, described in described two parallel guide rail a, b are distributed in
The opening both sides of base 2, the upper lid 1 can be slided and cover opening for the base 2 along described two parallel guide rail a, b simultaneously
Mouthful；
LCD display load port 11 and upturning key loading hole 12, downturning key loading hole 13 are provided with the upper lid 1, are set
Put key loading hole 14 and return key loading hole 15；
Wherein, LCD display terminal 21 in electrical contact is provided with the guide rail a, interval setting has been on the guide rail b
State upturning key terminal 22, downturning key in electrical contact terminal 23 in electrical contact, key terminal 24 in electrical contact is set and return key electricity
Property contact terminal 25；
When the upper lid 1 is covered with the opening of the base 2, the LCD display one end of terminal 21 electricity in electrical contact
Connect the hiding end (not shown) of the first cabling, the LCD display other end of terminal 21 electrical connection second in electrical contact
The hiding end (not shown) of cabling, wherein, the hiding end of first cabling is hidden in the side wall of base 2 and the first cabling
Exposed end be exposed to the inside of the base 2 for electrically connecting the electric energy plate being subsequently placed inside the base 2；Described second
The hiding end of cabling is hidden in the side wall of lid 1 and the exposed end of the second cabling is exposed to the inside of the upper lid 1 for electrically connecting
The LCD display (not shown) that the follow-up LCD display load port 11 is loaded；
Described upturning key one end of terminal 22 in electrical contact, downturning key one end of terminal 23 in electrical contact, setting key are in electrical contact
The one end of terminal 34 and return key one end of terminal 25 in electrical contact are respectively used to electrically connect what follow-up upturning key loading hole 12 was installed
Upturning key (not shown), the downturning key (not shown) of the installation of downturning key loading hole 13, setting key loading hole 14 are installed
The return key (not shown) that key (not shown) and return key loading hole 15 are installed is set；Further, it is described
The upturning key other end of terminal 12 in electrical contact, the downturning key other end of terminal 13 in electrical contact, setting key terminal 14 in electrical contact are another
One end and the return key other end of terminal 15 in electrical contact are subsequently used for electrically connecting the electric energy being subsequently placed inside the base 2
Plate.
Wherein, the multifunctional electric energy meter being assembled into based on multifunctional electric energy watch shell disclosed in the embodiment of the present invention is configured
Into with electric energy metrical function, requirement measurement function, time clock feature, rate and period, function, Protection Counter Functions, data storage are set
Function, freezing function, event recording function, RS485 communication functions, electric flux pulse output function, LCD display functions, three-phase
Power consumption parameter measurement function, response button operation function.
Wherein, the side of the close guide rail a is provided with the three-phase voltage for being electrically connected with electric energy plate on the base 2
Input terminal screens V1~V3, neutral voltage input terminal screens Vn and three-phase current input terminal screens I11, I21, I31；
Wherein, the opposite side that the guide rail b is close on the base 2 is provided with the center line electricity for being electrically connected with the electric energy plate
Pressure lead-out terminal screens Vn ', three-phase current lead-out terminal screens I11, I22, I32；Wherein, led near described on the base 2
The side of rail a is relative with the opposite side on the base 2 near the guide rail b.
Wherein, RS485 communication interface screens is additionally provided near the side of the guide rail a on the base 2 (not showing in figure
Show).
Wherein, the communication speed of RS485 communication interfaces is 1200bps, 2400bps, 4800bps or 9600bps.
In the utility model, electric energy plate uses 16 MCU of special digital integrated circuit and super low-power consumption, can be directly accurate
Measurement close mutually positive and negative active, four-quadrant capacity of idle power and the positive and negative active energy of each split-phase, can also carry out 4 kinds of rates, 14 when
Stop in area, period 14 day (8 sets), 30 festivals or holidays and week and set day etc., with active maximum demand writing function, to wattful power
The three-phase such as rate, reactive power, voltage, electric current, power factor power consumption parameter is measured and processed in real time, with 1 road RS485,
The functions such as active pulse output.Data display is easy to manual metering to record using the giant-screen Chinese liquid crystal of wide temperature range.
In the utility model, multifunctional electric energy meter is using Highgrade integration design and antistatic, lightning protection, transition AF panel
Etc. various Anti-interference Designs, key componentses use low-power consumption, long lived devices.Resistance to deformation, anticorrosive, anti-aging, insulation
And favorable sealing property.
In the utility model, the performance indications of multifunctional electric energy meter meet DL/T 614-2007, GB/T17215.301-
To every technical requirements of multifunctional electric energy meter in 2007 standards, communication protocol meets DL/T645-2007 agreements and its text of putting on record
Part.
In the utility model, electric energy plate possesses following basic function, i.e.,：
1.1 electric energy metrical functions
A) have and close mutually forward and reverse active energy amount, four-quadrant reactive energy amount and apparent electrical energy metering function, and can
Active and combination reactive energy amount is combined to set accordingly.
B) closing mutually each electric flux has a time-sharing measurement function, the corresponding point of various electric fluxs, peak, put down, paddy rate electric flux
And total electric flux is independently added up, is stored.
C) there is each positive and negative active energy amount function of split-phase of metering, split-phase electric flux does not support time-sharing measurement function.
D) can be set by integrated mode word and combine active, the combination of combination idle 1 and combination idle 2.Combination energy
The scope of amount is that -799999.99KWh arrives+799999.99KWh.
E 12 energy balance freezing datas) are supported.
1.2 requirements are measured
A) the requirement type supported has positive active total and 4 rate requirements, reversely active total and 4 rate requirements.Requirement can
Measured by the requirement cycle and slippage time of setting.
B) the requirement cycle can be selected in 5,10,15,30,60min；The slippage time in sliding requirement cycle can 1,
2nd, 3, selected in 5min；The requirement cycle should be the integral multiple of the 5 of slippage time.
C) total maximum demand measurement is carried out continuously, and the measurement of each tariff period maximum demand is in corresponding tariff period
Carried out in complete measure the cycle.
D) when it there is electricity on voltage circuit, clearing, clock adjustment, period conversion, requirement periodic change, electric energy
Table carries out requirement measurement since current time according to the requirement cycle；After the completion of first requirement cycle, it is spaced apart by slippage
Beginning maximum demand is recorded；Within the incomplete requirement cycle, the record of maximum demand is not done.
E 12 requirement clearing freezing datas) are supported.When effective account day is more than one, requirement is only by first clearing
Day is freezed, and the data that other effective account days freeze are full 0 xff.
F) requirement data can be zeroed out by ammeter Protection Counter Functions or maximum demand Protection Counter Functions.
1.3 clocks
A) using the hardware clock circuit with temperature compensation function；Within the temperature range of -25~+60 DEG C：When
≤ ± 1s/d is answered in the clock degree of accuracy；Under reference temperature (23 DEG C), clock accuracy≤± 0.5s/d.
B) clock has calendar, timing, leap year auto-conversion function.
C the lithium battery of environment-friendly type) is used as clock stand-by power supply；Clock stand-by power supply nothing in electric energy meter life cycle
Need to change, maintain the internal clocking correct working time accumulative no less than 5 years after power-off；When cell voltage is not enough, electric energy meter LCD shows
Show battery alarm symbol.
D) the setting of date and time must use hardware programming button and correct password.
Do not limited by password and hardware programming switch when E) broadcasting school；Electric energy meter only receives the clocking error less than 5 minutes
During school；It is daily when only allowing school once, not in daily 0:When carrying out broadcast school in 5 minutes before and after 00.
1.4 rates and period
A point, peak, flat, four rates of paddy) are supported.
B it is) annual that 14 time zones can be set；14 periods can be set in 24 hours；Period minimum interval be 15 minutes, when
Section can cross over reset.
C) support that festivals or holidays and week stop the setting of day special tariff period, could support up 30 festivals or holidays.
D) have two sets rates that can arbitrarily program and period, and can setting time point reinstate another set of rate with
Period.
1.5 reset
1.5.1 ammeter resets
A the data such as electric flux, maximum demand, the amount of freezing, the logout of electric energy meter memory storage can) be removed.
B) electricity resets and must use hardware programming key.
C) electric energy meter bottom angle value can only reset, and forbid setting.
1.5.2 requirement resets
A the data such as date, the time of maximum demand current in electric energy meter and generation can) be emptied.
B) maximum demand can issue clear requirement order and be zeroed out with programmable device in programming state.
1.6 data storages
A unidirectional or two-way total electric energy and each rate energy data of upper 12 account days can) be stored；When data conversion storage is demarcated
When carving 24 for the end of month (during the beginning of the month zero), or the integral point moment in No. 1 to No. 28 monthly.
B the date of the unidirectional or two-way maximum demand, each rate maximum demand and its appearance of upper 12 account days can) be stored
And time data；When data conversion storage boundary moment is the 24 of the end of month (during the beginning of the month zero), or the integral point in No. 1 to No. 28 monthly
Moment；While the end of month unloading, of that month maximum demand value answers automatic zero resetting.
C) in the case where electric energy meter electric source is powered off, all data relevant with clearing are at least preserved 10 years, other data
At least preserve 3 years.
D) electricity mends jelly in support, at most mends 12.
1.7 freeze
A) regularly freeze：Moment and time interval according to agreement freeze electric flux and important measurement amount data；Each freezes
Knot amount can be preserved 60 times.
B) instantaneously freeze：Under abnormal condition, freeze current calendar, time, all electric fluxs and important measurement amount
Data；The instantaneous amount of freezing can preserve the data of last 3 times.
C) freeze day：Store setting day freeze-off time point electric flux and important measurement amount data, 62 numbers can be stored
According to.
D) agreement is freezed：When in two sets of time-piece/two set, segment table switches or when Utilities Electric Co. thinks to have special requirement, freeze
Tie the electric flux and other significant datas of switching instant.Can store 2 times.
E) integral point freezing function：254 integral point freezing datas can be stored.
1.8 logouts
A the total degree of each phase decompression) is can record, nearest 10 decompressions occur moment, finish time and corresponding electric flux
The information such as data；Decompression function meets the technical requirements of DL/T 566.
B the total degree of the disconnected phase of each phase, nearest 10 times disconnected mutually generation moment, finish time and corresponding electric fluxs) be can record
The information such as data.
C the total degree of each phase defluidization) is can record, nearest 10 defluidizations occur moment, finish time and corresponding electric flux
The information such as data.
D nearest 10 times full decompressions) be can record moment, finish time and corresponding current value occurs；Program is not after full decompression
Disorder, all data are not lost, and the holding time should be not less than 180 days；After voltage recovers, electric energy meter can normal work.
E voltage (stream) negative phase sequence total degree, nearest 10 generation moment, finish time and its corresponding electric energy) be can record
Amount data.
F the total degree of power down, and the moment that nearest 10 power down occur and terminate) be can record.
G the total degree that requirement resets) is can record, and moment, the operator's code that nearest 10 requirements reset.
H programming total degree, and moment, operator's code, the data mark of programming item for programming for nearest 10 times) be can record
Know.
Total degree (during not comprising broadcast school) when I) can record school, and moment, operator's code during nearest 10 schools.
J each phase overload total degree, total time, the duration of nearest 10 overloads) be can record.
K breaker tripping and closing total degree, generation, the finish time of nearest 10 breaker tripping and closing events) be can record.
L) permanent record electric energy meter resets the electric energy data when moment occurring and resetting of event.
M) logout can be zeroed out by logout clearing command.
1.9 communications
RS485 communications follow the agreements of DL/T 645-2007 and its file of putting on record.
A) RS485 interfaces carry out electrical isolation with electric energy meter internal circuit, and have fail-safe circuit.
B) RS485 interfaces meet the electric requirements of DL/T 645-2007, and are resistant to alternating voltage 380V, do not damage within 2 minutes
Bad experiment.
C) communication speed of RS485 interfaces can set, and set scope：1200bps、2400bps、4800bps、9600bps.
1.10 outputs
1.10.1 electric flux pulse output
Possesses the light pulse output and electric pulse output being directly proportional to the electric flux (active/idle) for being measured.
Light pulse output is using superbright, long-life LED component, pulse width：80ms±20ms.
Electric pulse output has electrical isolation, and can be gathered from front.
1.11 displays
Wide temperature range type LCD shows；Active energy pulse, reactive energy pulse, alarm, phase sequence, decompression, current rate LED refer to
Show
1.12 measurements
A) measurable total and each split-phase active power, reactive power, power factor, split-phase voltage, split-phase electric current, frequency etc.
Operational factor.
B) measurement error (fiducial error) is no more than ± 1%.
1.13 button operations
Settable item：Voltage change ratio, electric current no-load voltage ratio, communications protocol.
In the utility model, multifunctional electric energy meter acquiescence automatic cycle display project is listed as follows：
| Sequence number | Display project | Data display form | Remarks |
| 1 | Current date | XX.XX.XX | |
| 2 | Current time | XX:XX:XX | |
| 3 | The active total electricity of present combination | XXXXXX.XX kWh | |
| 4 | Current positive active total electricity | XXXXXX.XX kWh | |
| 5 | Current positive active sharp electricity | XXXXXX.XX kWh | |
| 6 | Current positive active peak electricity | XXXXXX.XX kWh | |
| 7 | Current positive active ordinary telegram amount | XXXXXX.XX kWh | |
| 8 | Current positive active paddy electricity amount | XXXXXX.XX kWh | |
| 9 | Current positive active total requirement value | XX.XXXX kW | |
| 10 | Current idle first quartile electricity | XXXXXX.XX kvarh | |
| 11 | Current idle second quadrant electricity | XXXXXX.XX kvarh | |
| 12 | Current idle third quadrant electricity | XXXXXX.XX kvarh | |
| 13 | Current idle fourth quadrant electricity | XXXXXX.XX kvarh | |
| 14 | Current reversely active total electricity | XXXXXX.XX kWh | |
| 15 | Current reversely active sharp electricity | XXXXXX.XX kWh | |
| 16 | Current reversely active peak electricity | XXXXXX.XX kWh | |
| 17 | Current reversely active ordinary telegram amount | XXXXXX.XX kWh | |
| 18 | Current reversely active paddy electricity amount | XXXXXX.XX kWh |
In the utility model, multifunctional electric energy meter acquiescence button circulation display is listed as follows：
In the utility model, multifunctional electric energy watch shell include upper lid and bottom seat, base be provided with opening and two simultaneously
Row guide rail, two parallel guide rails are distributed in the opening both sides of base, and upper lid along two parallel slides and can be covered simultaneously
The opening of base, wherein, LCD display terminal in electrical contact is provided with the first guide rail, it is arranged at intervals with the second guide rail
The terminal in electrical contact that turn over key, downturning key, key and return key are set, when upper lid is covered with the opening of base, LCD display
Terminal in electrical contact can by the hiding end of cabling by it is upper lid set LCD display load port load LCD display with
Electric energy plate electrical connection in base, and upturning key, downturning key, the button that key and return key each load is set passes through respectively
Upturning key, downturning key, key and the terminal in electrical contact of return key are set are electrically connected with the electric energy plate in base, so that both can be with
Realize that multifunctional electric energy meter is convenient, efficient assembling, but also can effectively prevent LCD display, button and the base of lid
The electrical connection of electric energy plate be interrupted, beneficial to the safe and stable operation of multifunctional electric energy meter.
A kind of multifunctional electric energy watch shell disclosed in the utility model is described in detail above, it is used herein
Specific case is set forth to principle of the present utility model and implementation method, and the explanation of above example is only intended to help and understands
The utility model；Simultaneously for those of ordinary skill in the art, according to thought of the present utility model, in specific embodiment
And be will change in range of application, in sum, this specification content should not be construed as to limitation of the present utility model.
Claims (3)
1. a kind of multifunctional electric energy watch shell, it is characterised in that including upper lid and bottom seat, the base is provided with opening and two
The parallel guide rail of bar, described two parallel guide rails are distributed in the opening both sides of the base, and the upper lid can be simultaneously along described two
The parallel slide of bar simultaneously covers the opening of the base；LCD display load port and upturning key dress are provided with the upper lid
Carry hole, downturning key loading hole, key loading hole and return key loading hole are set；LCD display is provided with guide rail described in first
Terminal in electrical contact, is arranged at intervals with upturning key terminal in electrical contact, downturning key and is electrically connected with contravention on guide rail described in second
Son, setting key terminal in electrical contact and return key terminal in electrical contact；When the upper lid is covered with the opening of the base,
Described LCD display terminal one end in electrical contact electrically connects the hiding end of the first cabling, the LCD display terminal in electrical contact
The other end electrically connects the hiding end of the second cabling, and the hiding end of first cabling is hidden in base side wall and the first cabling
Exposed end is exposed to the chassis interior for electrically connecting electric energy plate；The hiding end of second cabling is hidden in the wall of lid side
And second the exposed end of cabling be exposed to the upper lid inside and show for electrically connecting the LCD that the LCD display load port is loaded
Display screen；Described upturning key terminal one end in electrical contact, downturning key terminal one end in electrical contact, setting key terminal one end in electrical contact
And return key terminal one end in electrical contact is respectively used to electrically connect upturning key, downturning key loading hole that upturning key loading hole is installed
The downturning key of installation, the return key that key and return key loading hole are installed that sets that the installation of key loading hole is set；The upturning key
The terminal other end in electrical contact, downturning key the terminal other end in electrical contact, setting the key terminal other end in electrical contact and return
The key terminal other end in electrical contact is respectively used to electrically connect electric energy plate.
2. multifunctional electric energy watch shell according to claim 1, it is characterised in that near first institute on the base
The side for stating guide rail is provided with the input of the screens of three-phase voltage input terminal, the screens of neutral voltage input terminal and three-phase current
Terminal screens；Opposite side on the base near guide rail described in described second is provided with the screens of neutral voltage lead-out terminal, three
Phase current lead-out terminal screens；Wherein, it is close on the side of guide rail described in described first with the base on the base
The opposite side of guide rail is relative described in described second.
3. three phase electronic multifunctional electric energy meter according to claim 1 and 2, it is characterised in that be close on the base
The side of guide rail described in described first is additionally provided with RS485 communication interface screens.
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| CN201621441975.9U CN206270391U (en) | 2016-12-27 | 2016-12-27 | A kind of multifunctional electric energy watch shell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116643072A (en) * | 2023-04-19 | 2023-08-25 | 南京礼政科技有限公司 | Multifunctional intelligent electric power instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116643072A (en) * | 2023-04-19 | 2023-08-25 | 南京礼政科技有限公司 | Multifunctional intelligent electric power instrument |
| CN116643072B (en) * | 2023-04-19 | 2024-04-16 | 怀化建南电子科技有限公司 | Multifunctional intelligent electric power instrument |
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