CN205883677U - Hall sensing formula power indication device - Google Patents
Hall sensing formula power indication device Download PDFInfo
- Publication number
- CN205883677U CN205883677U CN201620758257.8U CN201620758257U CN205883677U CN 205883677 U CN205883677 U CN 205883677U CN 201620758257 U CN201620758257 U CN 201620758257U CN 205883677 U CN205883677 U CN 205883677U
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- CN
- China
- Prior art keywords
- operational amplifier
- power source
- formula power
- indicating device
- sensing formula
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a hall sensing formula power indication device, it includes the consumer, the hall sensor that is connected with the lamps and lanterns electricity and with the pilot lamp that the hall sensor electricity is connected, hall sensor gathers the electric current and the output level signal of consumer, level signal control the pilot lamp switch. Hall sensor gathers the electric current on the lamps and lanterns and exports a weak level signal, and the pilot lamp lighted after receiving this level signal, and this power indication device can set up and keep off existing to separate from lamps and lanterns position inclusive AND lamps and lanterns very far away between, the user can't direct observation to the condition of lamps and lanterns under the pilot lamp on the accessible power indication device the bright whether switch on of judgement lamps and lanterns that goes out. Power indication device simple structure, small, light in weight, the consumption is little, the application temperature scope wide, reliability and security height.
Description
Technical field
This utility model belongs to lighting technical field, relates to a kind of power source indicating device, relates in particular to a kind of Hall
Sensor-type power source indicating device.
Background technology
The distribution system of the electrical equipments such as current light fixture, it usually needs whether can light from device end and judge electricity
Whether source is connected, and during for fixture and power supply relatively far apart, especially exists to block between light fixture and power supply and regards
At electric power system end, the object of line, then learn whether lamp power is connected very inconvenient.And if electric power system terminal is in
The environment that light is the darkest, cannot obtain any suggesting effect at switch, cannot learn environmental externality in pitch-dark environment
Light fixture is with or without in running order.
For solving the problems referred to above, prior art often uses current transformer or string power resistor to realize being obtained by feeder ear
Know the information whether light fixture terminal is energized.But above two method there is problems in that (1), and current transformer cannot be used for height
Frequency detection, and current transformer range is limited, needs to use the current transformer of different range when lamp power changes greatly
Coming whether indicating lamp is energized, cost is high, it is loaded down with trivial details to install maintenance；(2) there is power resistor and be easily subject in the mode of Series power resistance
Temperature drift impact, indication end can not use thermoelectricity to isolate, poor safety performance, when changed power is bigger, needs the different resistance of series connection
Power resistor realizes the effect whether indicating lamp is energized, and power resistor volume is relatively big, takes up room many.
Utility model content
To this end, technical problem to be solved in the utility model is whether the electrical equipment terminals such as existing detection light fixture obtain
The installation cost of electricity is high, install and safeguard that loaded down with trivial details, security performance can not get ensureing and taken up space big, thus propose one volume,
Power consumption is little, uses temperature range width, safe and reliable hall sensing formula power source indicating device.
For solving above-mentioned technical problem, the technical solution of the utility model is:
This utility model provides a kind of hall sensing formula power source indicating device, and it includes electrical equipment, with electrical equipment electricity
The Hall element connected and the display lamp electrically connected with described Hall element, described Hall element gathers described electricity consumption and sets
Standby electric current outputs level signals, described level signal controls described indicator light switch.
As preferably, between described Hall element and described display lamp, also it is electrically connected with operation amplifier assembly and the first electricity
Resistance.
As preferably, described operation amplifier assembly include the first operational amplifier of electrically connecting with described Hall element and
The second operational amplifier electrically connected with described first operational amplifier, described first operational amplifier is put with described second computing
Connect between big device and have the second resistance.
As preferably, described first operational amplifier and the second operational amplifier are respectively provided with a positive input, reverse
Input and an outfan, the outfan of the positive input of described second operational amplifier and described first operational amplifier and
One end electrical connection of the second resistance, the reverse input end of described second operational amplifier passes through one the 3rd resistance eutral grounding.
As preferably, the reverse input end of described first operational amplifier electrically connects with described Hall element, and described
The positive input of one operational amplifier electrically connects with the other end of described second resistance.
As preferably, described first resistance one end electrically connects with the outfan of described second operational amplifier, the other end with
Described display lamp electrically connects, described display lamp ground connection simultaneously.
As preferably, described electrical equipment electrically connects with a power supply.
As preferably, described electrical equipment is light fixture.
Technique scheme of the present utility model has the advantage that compared to existing technology
(1) hall sensing formula power source indicating device described in the utility model, it includes electrical equipment, with electrical equipment electricity
The Hall element connected and the display lamp electrically connected with described Hall element, described Hall element gathers described light fixture
Electric current outputs level signals, described level signal controls described indicator light switch.Hall element gathers such as electricity consumptions such as light fixtures
Electric current on equipment also exports a faint level signal, and display lamp lights after receiving this level signal, and this power supply indicates
Device can be arranged on from electrical equipment distant location or and light fixture between there is barrier, user cannot observe directly use
Can judge whether light fixture switches on power by the light on and off of the display lamp on power source indicating device in the case of electricity equipment.Described power supply
Apparatus structure is simple, volume is little, lightweight, power consumption is little in instruction, use temperature range width, reliability and security high.
(2) hall sensing formula power source indicating device described in the utility model, described Hall element and described display lamp
Between be also electrically connected with operation amplifier assembly and the first resistance.When the current signal of Hall element output is the faintest, fortune
Calculate amplifier module can by faint current signal operation amplifier several times and through return difference compare output one stronger digital level
Signal, level signal is added on display lamp by after the first resistance so that display lamp lights, if light fixture access failure power supply is then without level
Signal is added on display lamp, and display lamp is in OFF state.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, it is embodied as below according to of the present utility model
Example also combines accompanying drawing, is described in further detail this utility model, wherein
Fig. 1 is the circuit diagram of a kind of hall sensing formula power source indicating device described in this utility model embodiment.
In figure, reference is expressed as: 1-electrical equipment；2-Hall element；3-display lamp；4-the first operational amplifier；
5-the second operational amplifier；6-the second resistance；7-the 3rd resistance；8-the first resistance.
Detailed description of the invention
Embodiment
The present embodiment provides a kind of hall sensing formula power source indicating device, as it is shown in figure 1, it includes electrical equipment 1, described
Electrical equipment 1 electrically connects with a power supply, also include the Hall element 2 that electrically connects with electrical equipment 1 and with described hall sensing
The display lamp 3 of device 2 electrical connection, described Hall element 2 is used for gathering electric current the outputs level signals of described electrical equipment 1,
Described level signal controls described display lamp 3 and switchs, and in the present embodiment, described electrical equipment 1 is light fixture.Hall element gathers
Electric current on light fixture also exports a faint level signal, and display lamp 3 lights after receiving this level signal, and this power supply indicates
Device can be arranged on from electrical equipment 1 distant location or and electrical equipment 1 between there is barrier, user cannot directly see
Can judge whether electrical equipment connects electricity by the light on and off of the display lamp 3 on power source indicating device in the case of observing electrical equipment
Source.
The current signal spread out of when Hall element 2 is the faintest, electrically connects between Hall element 2 with display lamp 3
There are operation amplifier assembly and the first resistance 8.
Further, described operation amplifier assembly includes the first operational amplifier 4 electrically connected with described Hall element 2
And the second operational amplifier 5 electrically connected with described first operational amplifier 4, described first operational amplifier 4 is with described second
Connect between operational amplifier 5 and have the second resistance 6.Further, described first operational amplifier 4 and the second operational amplifier
5 are respectively provided with a positive input, a reverse input end and an outfan, the positive input of described second operational amplifier 5 with
One end electrical connection of the outfan of described first operational amplifier 4 and the second resistance 6, described second operational amplifier 5 reverse
Input passes through one the 3rd resistance 7 ground connection.The reverse input end of described first operational amplifier 4 and described Hall element 2 electricity
Connecting, the positive input of described first operational amplifier 4 electrically connects with the other end of described second resistance 6.Described first electricity
One end of resistance 8 electrically connects with the outfan of described second operational amplifier 5, and the other end electrically connects with described display lamp 3, described finger
Show lamp 3 ground connection simultaneously.
When electrical equipment 1 switches on power, electrical equipment 1 sends a faint level signal to Hall element 2, and Hall passes
Sensor 2 reaches the first operational amplifier 4 after collecting this level signal and the second operational amplifier 5 carries out signal amplification and return difference
Relatively, then exporting a stronger digital signal level to the first resistance 8, this digital signal level drives display lamp 3 to light,
Otherwise, during electrical equipment 1 access failure power supply, spreading out of without level letter, display lamp is in OFF state.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.Right
For those of ordinary skill in the field, can also make on the basis of the above description other multi-form change or
Variation.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or
Change among the protection domain still in this utility model creation.
Claims (8)
1. a hall sensing formula power source indicating device, it is characterised in that include electrical equipment, electrically connect suddenly with electrical equipment
That sensor and the display lamp electrically connected with described Hall element, described Hall element gathers the electric current of described electrical equipment
And outputs level signals, described level signal controls described indicator light switch.
Hall sensing formula power source indicating device the most according to claim 1, it is characterised in that described Hall element and institute
State and between display lamp, be also electrically connected with operation amplifier assembly and the first resistance.
Hall sensing formula power source indicating device the most according to claim 2, it is characterised in that described operation amplifier assembly bag
Include the first operational amplifier electrically connected with described Hall element and the second fortune electrically connected with described first operational amplifier
Calculate amplifier, be connected between described first operational amplifier with described second operational amplifier and have the second resistance.
Hall sensing formula power source indicating device the most according to claim 3, it is characterised in that described first operational amplifier
It is respectively provided with a positive input, a reverse input end and an outfan, described second operational amplifier with the second operational amplifier
Positive input electrically connect with the outfan of described first operational amplifier and one end of the second resistance, described second computing is put
The reverse input end of big device is by one the 3rd resistance eutral grounding.
Hall sensing formula power source indicating device the most according to claim 4, it is characterised in that described first operational amplifier
Reverse input end electrically connect with described Hall element, the positive input of described first operational amplifier with described second electricity
The other end electrical connection of resistance.
Hall sensing formula power source indicating device the most according to claim 5, it is characterised in that described first resistance one end with
The outfan electrical connection of described second operational amplifier, the other end electrically connects with described display lamp, described display lamp ground connection simultaneously.
Hall sensing formula power source indicating device the most according to claim 6, it is characterised in that described electrical equipment and an electricity
Source electrically connects.
Hall sensing formula power source indicating device the most according to claim 7, it is characterised in that described electrical equipment is lamp
Tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620758257.8U CN205883677U (en) | 2016-07-15 | 2016-07-15 | Hall sensing formula power indication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620758257.8U CN205883677U (en) | 2016-07-15 | 2016-07-15 | Hall sensing formula power indication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205883677U true CN205883677U (en) | 2017-01-11 |
Family
ID=57696866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620758257.8U Active CN205883677U (en) | 2016-07-15 | 2016-07-15 | Hall sensing formula power indication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205883677U (en) |
-
2016
- 2016-07-15 CN CN201620758257.8U patent/CN205883677U/en active Active
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| GR01 | Patent grant |