CN207908561U - A kind of intelligent electric energy meter of sealed damp-proof - Google Patents
A kind of intelligent electric energy meter of sealed damp-proof Download PDFInfo
- Publication number
- CN207908561U CN207908561U CN201820340039.1U CN201820340039U CN207908561U CN 207908561 U CN207908561 U CN 207908561U CN 201820340039 U CN201820340039 U CN 201820340039U CN 207908561 U CN207908561 U CN 207908561U
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- electric energy
- button column
- energy meter
- intelligent electric
- installation cavity
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Abstract
The utility model is related to a kind of intelligent electric energy meters of sealed damp-proof, including pedestal, main circuit board, upper cover and terminal base, the upper lid is equipped with the mounting base to the pedestal direction protrusion, the mounting base is equipped with upwardly opening installation cavity, the opening of the installation cavity is fixed with baffle, on in the installation cavity, lower slider is equipped with button column, the upper end of the button column is stretched out outside the baffle, the lower end of the button column is fixed with magnet, elastic component is equipped between the button column and the mounting base, the MCU micro-control units that the main circuit board is equipped with the reluctance switch opposite with the magnet and is electrical connected with the reluctance switch.The beneficial effects of the utility model are：Installation cavity on upper lid for installing button column is can not be with unicom inside intelligent electric energy meter, realize the inside and outside completely isolated of intelligent electric energy meter, the root of moisture or etchant gas intrusion is thoroughly prevented, sealed damp-proof effect is good, solves the influence that moisture measures electric energy meter.
Description
Technical field
The utility model is related to intelligent electric energy meter technical field more particularly to a kind of intelligent electric energy meters of sealed damp-proof.
Background technology
Intelligent electric energy meter is measured by carrying out integral operation after being sampled to voltage and current.Since sample circuit is
It is easier affected by moisture, especially some air pollutions are more serious or coastal area, is often accompanied by moisture
The higher acidic materials of conductivity or salts substances, aqueous vapor can volatilize with temperature raising or external environment desiccation, but its
Its material part can deposit, and metering sampling circuit is influenced by moisture can be increasing, and then makes measurement error increasingly
Greatly.
Intelligent electric energy meter is the electric energy meter for having interactive function, needs the button for user's operation, and intelligence is electric at present
Energy table sampling is all mechanical key, has key hole, such moisture that can enter inside ammeter by the hole on upper lid,
Therefore, it is impossible to accomplish sealed damp-proof.
Invention content
In order to overcome the above deficiencies in the prior art, the utility model provides a kind of simple and compact for structure, operation
Convenient, sealed damp-proof intelligent electric energy meter.
The technical scheme in the invention for solving the technical problem is：A kind of intelligent electric energy meter of sealed damp-proof, including bottom
Seat, the main circuit board above the pedestal, the upper cover set on the top of the main circuit board and the end beside the pedestal
Stroma, the upper lid are equipped with the mounting base to the pedestal direction protrusion, which is equipped with upwardly opening installation cavity,
The opening of the installation cavity is fixed with baffle, is slidably fitted with button column in the installation cavity above and below, and the upper end of the button column is stretched out
Outside the baffle, the lower end of the button column is fixed with magnet, and elastic component, institute are equipped between the button column and the mounting base
State the MCU microcontroller lists that main circuit board is equipped with the reluctance switch opposite with the magnet and is electrical connected with the reluctance switch
Member.
Preferably, the upper lid checks window equipped with liquid crystal.
Preferably, the liquid crystal checks that window is fixed on the cover by ultrasonic bonding mode.
Preferably, being convexly equipped with the spacing ring positioned at the lower section of the baffle outside the button column, the elastic component is bullet
Spring, the spring pocket is outside the button column, and the upper end of the spring is supported on the spacing ring, and the lower end of the spring is supported on
In the mounting base.
Preferably, the reluctance switch is electrically connected with battery, on the main circuit board also with the MCU microcontrollers list
The wake-up module unit and timing module unit that member is electrical connected.
Preferably, being equipped with mounting groove at three's interconnection of the upper cover, pedestal and terminal base, the mounting groove is embedded
Equipped with sealing strip.
When the utility model is used, when button column is not pressed, button column is shifted onto topmost by elastic component, is fixed on
The magnet of button column lower end is in the position far from reluctance switch, and reluctance switch incudes the magnetism less than magnet, judges button column
For releasing orientation；When button column is pressed, button column is forced into bottom, and the magnet for being fixed on button column lower end is in close
The position of reluctance switch, reluctance switch sense the magnetism of magnet, judge button column for down state；Then reluctance switch according to
The button column detected is the MCU micro-control units on releasing orientation or down state output low and high level to main circuit board
In, corresponding keypress function processing is carried out by MCU micro-control units.It can be carried out for reluctance switch by battery in power failure
Power supply could work since reluctance switch needs to consume certain electric current, if long-term power supply can influence battery life, it requires
MCU micro-control units have the function of that the timing wake-up under deep sleep state, i.e. timing module unit set every 3 ~ 5 seconds by calling out
Modular unit of waking up wakes up MCU micro-control units once and does whether button column presses inquiry by reluctance switch, if not having
Column is pushed button, then continues suspend mode, otherwise enters the operating status of low-power consumption, until not pushing button column behaviour more than 1 minute
Make, is again introduced into deep sleep state.The detection time of reluctance switch it is very short and itself power consumption it is very low, pass through intermittent confession
The power consumption whether electricity inquiry pushes button column is very low, carries out inquiry calculating with every window for opening 30mS in 3 seconds, power consumption only has
The 1% of long-term work state, average stand-by power consumption are no more than 0.03uA, minimum on battery life influence, as long as being pressed when user's operation
Lower button column is more than that can wake up for 3 seconds.
The beneficial effects of the utility model are：1, the installation cavity for being used to install button column on upper lid is can not be with intelligent electricity
Unicom inside energy table, realizes the inside and outside completely isolated of intelligent electric energy meter, has thoroughly prevented moisture or the root of etchant gas intrusion
Source, sealed damp-proof effect is good, solves the influence that moisture measures electric energy meter.2, wake-up module unit is set, when power failure can call out
Wake up, support to have a power failure check, the functions such as meter reading.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Referring to Fig.1, a kind of intelligent electric energy meter of sealed damp-proof, including pedestal 1, the main circuit board 2 above the pedestal,
Terminal base 13 set on the upper cover 3 of the top of the main circuit board and beside the pedestal, the upper lid are equipped with to described
The mounting base 4 of pedestal direction protrusion, the mounting base are equipped with upwardly opening installation cavity 5, and the opening of the installation cavity is fixed with
Baffle 6 is slidably fitted with button column 7 in the installation cavity above and below, and the upper end of the button column is stretched out outside the baffle 6, the button
The lower end of column 7 is fixed with magnet 8, and elastic component 9 is equipped between the button column and the mounting base, is set on the main circuit board 2
The MCU micro-control units for having the reluctance switch 10 opposite with the magnet and being electrical connected with the reluctance switch.
When the utility model is used, when button column 7 is not pressed, button column is shifted onto topmost by elastic component 9, fixed
Magnet 8 in button column lower end is in the position far from reluctance switch 10, and reluctance switch 10 incudes the magnetism less than magnet 8, sentences
Disconnected button column 7 is releasing orientation；When button column 7 is pressed, button column is forced into bottom, is fixed on the magnetic of button column lower end
Iron 8 is in close to the position of reluctance switch 10, and reluctance switch senses the magnetism of magnet, judges button column 7 for down state；So
Reluctance switch 10 is that releasing orientation or down state export low and high level to main circuit board 2 according to the button column 7 detected afterwards
On MCU micro-control units in, corresponding keypress function processing is carried out by MCU micro-control units.Due to being used to install in upper cover 3
The installation cavity 5 of button column 7 is can not to realize the inside and outside completely isolated of intelligent electric energy meter with unicom inside intelligent electric energy meter, thorough
Bottom has prevented the root of moisture or etchant gas intrusion, and sealed damp-proof effect is good, solves the influence that moisture measures electric energy meter.
Preferably, the upper cover 3 checks window 11 equipped with liquid crystal, observation is convenient, and it is super that the liquid crystal checks that window 11 passes through
Sound wave welding manner is fixed in the upper cover 3, and ultrasonic welding technique can be such that the two is merged completely, ensures leakproofness
Energy.
Preferably, being convexly equipped with the spacing ring 12 positioned at the lower section of the baffle 6, the elastic component 9 outside the button column 7
For spring, the spring pocket is outside the button column 7, and the upper end of the spring is supported on the spacing ring 12, under the spring
End is supported in the mounting base 4, and spacing ring 12 not only limits the upper pan position of button column 7, also plays branch to the installation of spring
Support acts on.
Preferably, the reluctance switch 10 is electrically connected with battery, on the main circuit board 2 also with the MCU micro-controls
The wake-up module unit and timing module unit that unit processed is electrical connected.Can be reluctance switch 10 by battery in power failure
It is powered, could work since reluctance switch needs to consume certain electric current, if long-term power supply can influence battery life, so
It is required that MCU micro-control units have the function of that the timing wake-up under deep sleep state, i.e. timing module unit set every 3 ~ 5 seconds and lead to
Wake-up module unit is crossed to wake up MCU micro-control units once and do whether button column presses inquiry by reluctance switch, if
Column is not pushed button, then continues suspend mode, otherwise enters the operating status of low-power consumption, is not pushed button until more than 1 minute
Column operation is again introduced into deep sleep state.The detection time of reluctance switch it is very short and itself power consumption it is very low, pass through interval
The power consumption whether formula power supply inquiry pushes button column is very low, and inquiry calculating, power consumption are carried out with every window for opening 30mS in 3 seconds
Only the 1% of long-term work state, average stand-by power consumption are no more than 0.03uA, battery life is influenced it is minimum, when user's operation only
It is more than that can wake up for 3 seconds to push button column, can be waken up when realizing power failure, support to have a power failure check, the functions such as meter reading.
Preferably, being equipped with mounting groove, the mounting groove at three's interconnection of the upper cover 3, pedestal 1 and terminal base 13
It is interior to be embedded with sealing strip, it can ensure leakproofness after fastening.
Claims (6)
1. a kind of intelligent electric energy meter of sealed damp-proof, including pedestal, the main circuit board above the pedestal, it is set to the main circuit
The upper cover of the top of plate and the terminal base beside the pedestal, it is characterised in that：The upper lid is equipped with to the pedestal
The mounting base of direction protrusion, the mounting base are equipped with upwardly opening installation cavity, and the opening of the installation cavity is fixed with baffle, should
Button column is slidably fitted in installation cavity above and below, the upper end of the button column is stretched out outside the baffle, and the lower end of the button column is solid
Surely there is magnet, elastic component is equipped between the button column and the mounting base, the main circuit board is equipped with and the magnet phase
To reluctance switch and the MCU micro-control units that are electrical connected with the reluctance switch.
2. the intelligent electric energy meter of sealed damp-proof according to claim 1, it is characterised in that：The upper lid is looked into equipped with liquid crystal
Looking glass.
3. the intelligent electric energy meter of sealed damp-proof according to claim 2, it is characterised in that：It is super that the liquid crystal checks that window passes through
Sound wave welding manner is fixed on the cover.
4. the intelligent electric energy meter of the sealed damp-proof according to one of claim 1 ~ 3, it is characterised in that：The button column evagination
Equipped with the spacing ring positioned at the lower section of the baffle, the elastic component is spring, and the spring pocket is outside the button column, the bullet
The upper end of spring is supported on the spacing ring, and the lower end of the spring is supported in the mounting base.
5. the intelligent electric energy meter of the sealed damp-proof according to one of claim 1 ~ 3, it is characterised in that：The reluctance switch electricity
Property is connected with battery, the wake-up module unit being also electrical connected with the MCU micro-control units on the main circuit board and timing
Modular unit.
6. the intelligent electric energy meter of the sealed damp-proof according to one of claim 1 ~ 3, it is characterised in that：The upper cover, pedestal
With mounting groove is equipped at three's interconnection of terminal base, sealing strip is embedded in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820340039.1U CN207908561U (en) | 2018-03-13 | 2018-03-13 | A kind of intelligent electric energy meter of sealed damp-proof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820340039.1U CN207908561U (en) | 2018-03-13 | 2018-03-13 | A kind of intelligent electric energy meter of sealed damp-proof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207908561U true CN207908561U (en) | 2018-09-25 |
Family
ID=63558114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820340039.1U Active CN207908561U (en) | 2018-03-13 | 2018-03-13 | A kind of intelligent electric energy meter of sealed damp-proof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207908561U (en) |
-
2018
- 2018-03-13 CN CN201820340039.1U patent/CN207908561U/en active Active
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