CN207298868U - A kind of isolated form LED drive power power-off protection apparatus - Google Patents
A kind of isolated form LED drive power power-off protection apparatus Download PDFInfo
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- CN207298868U CN207298868U CN201721068638.4U CN201721068638U CN207298868U CN 207298868 U CN207298868 U CN 207298868U CN 201721068638 U CN201721068638 U CN 201721068638U CN 207298868 U CN207298868 U CN 207298868U
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- main casing
- display screen
- led drive
- isolated form
- protection apparatus
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Abstract
Utility model discloses a kind of isolated form LED drive power power-off protection apparatus, including main casing, wire barrel, the main casing body front surface is provided with display screen, indicator light is provided with above the display screen, Fingerprint Identification Unit is provided with below the display screen, the Fingerprint Identification Unit side is provided with alarm, heat emission fan is provided with above the alarm, short message cat is provided with above the heat emission fan, processor is provided with beside the heat emission fan, fixed contact is provided with beside the processor, moving contact is provided with below the fixed contact, the fixed contact lower surface is provided with electromagnetic coil, axis pin is provided with below the moving contact, sliding sleeve is provided with below the axis pin, the sliding sleeve top edge is provided with tension spring, the main casing body side surface is provided with the wire barrel；Beneficial effect is：It can be automatically powered off in voltage instability, special messenger's control is needed when protecting the safe to use of LED light, while starting, prevent other people surprisingly touch from causing LED light to be damaged.
Description
Technical field
Technical field of electrical equipment is the utility model is related to, powers off and protects more particularly to a kind of isolated form LED drive power
Protection unit.
Background technology
Under the background that global energy shortage, environmental requirement are continuously improved, green energy conservation photograph is greatly developed in countries in the world
It is bright.LED illumination is being developed rapidly as a kind of revolutionary energy-saving illumination technology.However, the requirement of LED drive power
It is being continuously improved.High efficiency, High Power Factor, security isolation, meet EMI standards, high current control accuracy, high reliability, body
Product is small, cost is low etc. is just becoming the critical evaluation index of LED drive power.LED is low-voltage luminescence device, has long-life, height
Light efficiency, safety and environmental protection, it is easy to use the advantages that.Driven for mains input power, isolation output is to be based on safety standard
Requirement.The efficiency of LED drive power is higher, then more can play LED specular removals, energy saving advantage.High switch frequency at the same time
Rate, high efficiency cause whole LED drive power to be easily mounted in LED lamp compact to design.High constant current accuracy ensure that greatly
Brightness and photochromic uniformity when batch uses LED illumination.LED illumination driving power mainly has two kinds at present, and one kind is isolation
Type power supply, one kind are non-isolated supplies, and isolated form driving is safe but less efficient, and non-isolation type drive efficiency is higher.Work as electricity
When pressure is unstable, LED light damage is easy to cause, causes certain economic loss, it is therefore desirable to automatic when voltage exceedes setting value
LED light is protected in power-off, extends its service life.
Utility model content
The purpose of this utility model is that to solve the above-mentioned problems and provides a kind of isolated form LED drive power power-off
Protective device.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of isolated form LED drive power power-off protection apparatus, including main casing, wire barrel, the main casing body front surface
Display screen is provided with, indicator light is provided with above the display screen, Fingerprint Identification Unit, the finger are provided with below the display screen
Line identifier side is provided with alarm, and heat emission fan is provided with above the alarm, short message is provided with above the heat emission fan
Cat, the heat emission fan side are provided with processor, fixed contact are provided with beside the processor, is provided with below the fixed contact
Moving contact, the fixed contact lower surface are provided with electromagnetic coil, and axis pin is provided with below the moving contact, is set below the axis pin
It is equipped with sliding sleeve, the sliding sleeve top edge is provided with tension spring, and the main casing body side surface is provided with the wire barrel, by the fixed contact
While it is provided with voltage/current detection device.
Further, the main casing is made of ABS engineering plastics, and the thickness of the main casing is not less than 2mm.
Further, the display screen is embedded on the main casing, and the display screen is LED liquid crystal displays, the display
Screen is electrically connected with the processor.
Further, the Fingerprint Identification Unit is fixed by screws in inside the main casing, the Fingerprint Identification Unit with
The processor is electrically connected.
Further, the moving contact upper surface is again provided with the electromagnetic coil, and the fixed contact and described move are touched
The magnetic pole that the electromagnetic coil on head produces after being powered is opposite.
Further, the axis pin is fixed together with the moving contact, and the axis pin is nested in inside the sliding sleeve, institute
State tension spring to be fixed between the moving contact and the sliding sleeve by hook, the tension spring at least two.
Further, the voltage/current detection device is electrically connected with the wire barrel, the voltage/current detection device with
The processor is electrically connected.
Further, the alarm is fixed by screws in inside the main casing, and the alarm is buzzer, institute
The sound pressure level for stating alarm is 60db-80db.
The beneficial effects of the utility model are：In said structure, in the case of normal power-up, the electromagnetic coil, which is powered, to be produced
Raw suction causes the fixed contact to be contacted with the moving contact, ensures that circuit is unimpeded, the voltage/current detection device detects automatically
The size of voltage and current in circuit, when voltage instability, the processor controls the electromagnetic coil power-off, the moving contact
Fall after rise under the action of the spring and separated with the fixed contact, complete to automatically power off, prevent LED light because voltage instability damages
It is bad, while the processor controls the alarm to make a sound alarm signal prompting staff note that the processor is sharp
With the short message cat to alarming short message is sent on default phone, staff is facilitated to pinpoint the problems in time, after voltage stabilization,
Only staff verifies that fingerprint is correct on the Fingerprint Identification Unit, and the processor just can control the electromagnetic coil to lead to
Electricity so that the moving contact contacts again with the fixed contact ensures that circuit is unimpeded.
The utility model can be automatically powered off in voltage instability, be needed when protecting the safe to use of LED light, while starting
Special messenger controls, and prevents other people surprisingly touch from causing LED light to be damaged.
Brief description of the drawings
Fig. 1 is a kind of internal structure schematic diagram of isolated form LED drive power power-off protection apparatus described in the utility model；
Fig. 2 is a kind of external structure schematic diagram of isolated form LED drive power power-off protection apparatus described in the utility model.
The reference numerals are as follows：
1st, display screen；2nd, indicator light；3rd, short message cat；4th, main casing；5th, alarm；6th, Fingerprint Identification Unit；7th, wire barrel；8、
Sliding sleeve；9th, axis pin；10th, tension spring；11st, moving contact；12nd, electromagnetic coil；13rd, fixed contact；14th, voltage/current detection device；15th, locate
Manage device；16th, heat emission fan.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail：
As Figure 1-Figure 2, a kind of isolated form LED drive power power-off protection apparatus, including main casing 4, wire barrel 7,
4 front surface of main casing is provided with display screen 1, and display screen 1 is used for display data, and the top of display screen 1 is provided with indicator light 2, indicates
Lamp 2 is used for display working condition, and the lower section of display screen 1 is provided with Fingerprint Identification Unit 6, and Fingerprint Identification Unit 6 is used for verifying finger print information,
6 side of Fingerprint Identification Unit is provided with alarm 5, and the top of alarm 5 is provided with heat emission fan 16, and heat emission fan 16 is used for ventilation and heat,
The top of heat emission fan 16 is provided with short message cat 3, and the side of heat emission fan 16 is provided with processor 15, and the side of processor 15 is provided with fixed contact
13, the lower section of fixed contact 13 is provided with moving contact 11, and 13 lower surface of fixed contact is provided with electromagnetic coil 12, and the lower section of moving contact 11 is set
There is axis pin 9, the lower section of axis pin 9 is provided with sliding sleeve 8, and 8 top edge of sliding sleeve is provided with tension spring 10, and 4 side of main casing is provided with wire barrel
7, wire barrel 7 is used for convenient connection circuit, and the side of fixed contact 13 is provided with voltage/current detection device 14.
In said structure, in the case of normal power-up, the energization of electromagnetic coil 12 produces suction and causes fixed contact 13 and moving contact
11 contact, ensure circuit it is unimpeded, the size of voltage and current in 14 automatic detection circuit of voltage/current detection device, when voltage not
When steady, processor 15 controls electromagnetic coil 12 to power off, and moving contact 11 is fallen after rise under the action of the spring to be separated with fixed contact 13, completes
Automatically power off, prevent LED light because voltage instability damages, simultaneous processor 15 controls alarm 5 to make a sound alarm signal and carries
Wake up staff note that processor 15 using short message cat 3 to alarming short message is sent on default phone, facilitate staff timely
Pinpoint the problems, after voltage stabilization, only staff verifies that fingerprint is correct on Fingerprint Identification Unit 6, and processor 15 can just be controlled
Electromagnetic coil 12 processed is powered so that moving contact 11 contacts again with fixed contact 13 ensures that circuit is unimpeded.
Further, main casing 4 is made of ABS engineering plastics, and the thickness of main casing 4 is not less than 2mm, and display screen 1 is inlayed
On main casing 4, display screen 1 is LED liquid crystal displays, and display screen 1 is electrically connected with processor 15, and Fingerprint Identification Unit 6 passes through screw
It is fixed on inside main casing 4, Fingerprint Identification Unit 6 is electrically connected with processor 15, and 11 upper surface of moving contact is again provided with electromagnetic wire
Circle 12, the magnetic pole that the electromagnetic coil 12 in fixed contact 13 and moving contact 11 produces after being powered is on the contrary, axis pin 9 is fixed with moving contact 11
Together, axis pin 9 is nested in inside sliding sleeve 8, tension spring 10 by hook be fixed between moving contact 11 and sliding sleeve 8, tension spring 10 to
Rare two, voltage/current detection device 14 is electrically connected with wire barrel 7, and voltage/current detection device 14 is electrically connected with processor 15,
Alarm 5 is fixed by screws in inside main casing 4, and alarm 5 is buzzer, and the sound pressure level of alarm 5 is 60db-80db.
The basic principle, main feature and advantage of the utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
Defined by appending claims and equivalents.
Claims (8)
- A kind of 1. isolated form LED drive power power-off protection apparatus, it is characterised in that：Including main casing（4）, wire barrel（7）, institute State main casing（4）Front surface is provided with display screen（1）, the display screen（1）Top is provided with indicator light（2）, the display screen （1）Lower section is provided with Fingerprint Identification Unit（6）, the Fingerprint Identification Unit（6）Side is provided with alarm（5）, the alarm（5） Top is provided with heat emission fan（16）, the heat emission fan（16）Top is provided with short message cat（3）, the heat emission fan（16）Side is set There is processor（15）, the processor（15）Side is provided with fixed contact（13）, the fixed contact（13）Lower section is provided with dynamic touch Head（11）, the fixed contact（13）Lower surface is provided with electromagnetic coil（12）, the moving contact（11）Lower section is provided with axis pin （9）, the axis pin（9）Lower section is provided with sliding sleeve（8）, the sliding sleeve（8）Top edge is provided with tension spring（10）, the main casing （4）Side is provided with the wire barrel（7）, the fixed contact（13）Side is provided with voltage/current detection device（14）.
- A kind of 2. isolated form LED drive power power-off protection apparatus according to claim 1, it is characterised in that：The master Housing（4）It is made of ABS engineering plastics, the main casing（4）Thickness be not less than 2mmmm.
- A kind of 3. isolated form LED drive power power-off protection apparatus according to claim 1, it is characterised in that：It is described aobvious Display screen（1）It is embedded in the main casing（4）On, the display screen（1）For LED liquid crystal displays, the display screen（1）With the processing Device（15）It is electrically connected.
- A kind of 4. isolated form LED drive power power-off protection apparatus according to claim 1, it is characterised in that：The finger Line identifier（6）It is fixed by screws in the main casing（4）Inside, the Fingerprint Identification Unit（6）With the processor（15） It is electrically connected.
- A kind of 5. isolated form LED drive power power-off protection apparatus according to claim 1, it is characterised in that：It is described dynamic Contact（11）Upper surface is again provided with the electromagnetic coil（12）, the fixed contact（13）With the moving contact（11）On institute State electromagnetic coil（12）The magnetic pole produced after energization is opposite.
- A kind of 6. isolated form LED drive power power-off protection apparatus according to claim 1, it is characterised in that：The pin Axis（9）With the moving contact（11）It is fixed together, the axis pin（9）It is nested in the sliding sleeve（8）Inside, the tension spring（10） The moving contact is fixed on by hook（11）With the sliding sleeve（8）Between, the tension spring（10）At least two.
- A kind of 7. isolated form LED drive power power-off protection apparatus according to claim 1, it is characterised in that：The electricity Pressure/current detector（14）It is electrically connected with the wire barrel（7）, the voltage/current detection device（14）With the processor （15）It is electrically connected.
- A kind of 8. isolated form LED drive power power-off protection apparatus according to claim 1, it is characterised in that：The report Alert device（5）It is fixed by screws in the main casing（4）Inside, the alarm（5）For buzzer, the alarm（5）'s Sound pressure level is 60db-80db.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721068638.4U CN207298868U (en) | 2017-08-24 | 2017-08-24 | A kind of isolated form LED drive power power-off protection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721068638.4U CN207298868U (en) | 2017-08-24 | 2017-08-24 | A kind of isolated form LED drive power power-off protection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207298868U true CN207298868U (en) | 2018-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721068638.4U Active CN207298868U (en) | 2017-08-24 | 2017-08-24 | A kind of isolated form LED drive power power-off protection apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140828A (en) * | 2020-02-21 | 2020-05-12 | 广州领尚灯具有限公司 | LED lamp short-circuit protection device |
-
2017
- 2017-08-24 CN CN201721068638.4U patent/CN207298868U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140828A (en) * | 2020-02-21 | 2020-05-12 | 广州领尚灯具有限公司 | LED lamp short-circuit protection device |
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