CN110191542A - A kind of temperature protector and its mounting process of LED lamp - Google Patents
A kind of temperature protector and its mounting process of LED lamp Download PDFInfo
- Publication number
- CN110191542A CN110191542A CN201910545556.1A CN201910545556A CN110191542A CN 110191542 A CN110191542 A CN 110191542A CN 201910545556 A CN201910545556 A CN 201910545556A CN 110191542 A CN110191542 A CN 110191542A
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- China
- Prior art keywords
- coupled
- signal
- control
- current
- led lamp
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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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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
-
- 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
Abstract
The invention discloses a kind of temperature protectors of LED lamp, including detection unit, are used for sensed current signal；Processing unit, for processing detection current signal and control exports high level signal when current signal is higher than a reference value；Time quantum, for carrying out runing time control and corresponding output pick-off signal；Control unit is respectively coupled to detection unit and time quantum and in response to current signal and pick-off signal to export control signal；Alarm unit is coupled to control unit and in response to control signal to start or close prompt facility；When time quantum exports pick-off signal and/or current signal is higher than preset value, control alarm unit is warned；The present invention discloses a kind of mounting process；The present invention has the detection for wirelessly carrying out electric current, reaches that measurement result is accurate, while the technical effect without being electrically connected.
Description
Technical field
The present invention relates to temperature protector technical fields, more particularly, to the temperature protector and its peace of a kind of LED lamp
Dress technique.
Background technique
KI-31 series of products are a kind of temperature controllers for using bimetal leaf as the temperature module at present, when electric appliance works normally,
Bimetal leaf is in free state, and contact is in closure/off-state, and when temperature reaches operating temperature, bimetal leaf is heated
It generates internal stress and acts rapidly, opened/closed contact, circuit is switched off/on, to play temperature control function.When electric appliance is cooling
When to reset temperature, the automatic closed/open in contact restores normal operating conditions.
It is CN203689087U utility model patent that the prior art, which can refer to Authorization Notice No., and it discloses a kind of temperature guarantors
Protection unit, the device include temperature controller, signal acquisition input terminal, signal output control terminal, and temperature controller is adopted with signal
Collect input terminal, the connection of signal output control terminal, and is connect with the control end interface of heater, PLC controller.The utility model
Temperature protective device, by the heater of hot wind cabinet reload temperature controller control to adjust heter temperature, temperature control
Instrument processed is connect with original PLC controller, constitutes the duplicate protection to heater in hot wind cabinet.The temperature of the utility model is protected
Protection unit, structure is simple, high reliablity, be applied to seed-coating machine system in can safeguards system stable operation, improve production efficiency.
Temperature protector in the prior art is usually to detect the heat that current supply line is given out judged whether
Heat, but this decision procedure is affected by environmental factor, such as under the higher environment of ambient temperature, uses this temperature
Degree protector is easy for reaching trigger condition, influences its use.
Summary of the invention
In view of the deficienciess of the prior art, one of the objects of the present invention is to provide a kind of temperature protections of LED lamp
Device has the detection for wirelessly carrying out electric current, reaches that measurement result is accurate, while the technology without being electrically connected
Effect.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of temperature protector of LED lamp, comprising:
Detection unit is used for sensed current signal；
Processing unit, for processing detection current signal and control exports high level signal when current signal is higher than a reference value；
Time quantum, for carrying out runing time control and corresponding output pick-off signal；
Control unit is respectively coupled to detection unit and time quantum and in response to current signal and pick-off signal to export control
Signal processed；
Alarm unit is coupled to control unit and in response to control signal to start or close prompt facility；
When time quantum exports pick-off signal and/or current signal is higher than preset value, control alarm unit is warned.
By using above-mentioned technical proposal, the inspection of current signal is carried out by detection unit in normal use process
It surveys, high level signal is exported when being detected simultaneously by current signal higher than preset a reference value, while the time quantum progress time is pre-
If processing because every group of LED lamp has corresponding service life, when detect current signal be higher than preset a reference value
And/or when having reached corresponding service life, alarm unit can be controlled and warned, wireless connection can be used in detection unit
Mode carries out, to reach the progress temperature detection by way of detecting size of current, realizes the technical effect of early warning.
The present invention is further arranged to: the detection unit includes primary side induction coil L1 and secondary side induction coil
L2, described one end primary side induction coil L1 is coupled to power supply VCC, other end coupling load, and loads other end ground connection；It is described
The one end secondary side induction coil L2 is coupled with VCC, and its other end is coupled with load resistance R1, the other end coupling of load resistance R1
Connect processing unit.
By using above-mentioned technical proposal, electric current is carried out by primary side induction coil L1 and secondary side induction coil L2
The detection of signal facilitates the conversion for carrying out the form of electric current, realizes the wireless connection of temperature protector and mains circuit, operation letter
Folk prescription just, increases the practicability effect of equipment.
The present invention is further arranged to: the processing unit includes:
Current circuit, the current signal for detecting in processing unit export high level signal when being higher than preset value；
Decision circuit couples current circuit to control output control signal when receiving high level signal.
The present invention is further arranged to: the current circuit includes comparator T1, and positive input is coupled to load electricity
R1 is hindered, it further includes the load resistance R3 for being coupled to power supply VCC that negative input, which is coupled with a reference value current signal Vref1,
And coupled in series, in the normally opened contact KT1 of the relay of load resistance R3, the another terminal of normally opened contact KT1 is as high level
The output end of signal；The electromagnetic coil KT1 coupled in series of relay is in the output end of comparator T, and the ground connection setting of its other end.
By using above-mentioned technical proposal, the control of circuit is realized by way of relay, realizes vulnerabilities scan forceful electric power
Function, its security performance can be effectively improved.
The present invention is further arranged to: the decision circuit includes the NPN triode for being coupled to normally opened contact KT1 output end
Q1；Its base stage is coupled to the normally opened contact KT1 of relay, and collector is coupled with resistance R4, and the other end coupling of resistance R4
Setting is grounded in the emitter of power supply VCC, NPN triode Q1；The collector of NPN triode Q1 be coupled with PNP triode Q2 and
The base stage of itself and PNP triode Q2 couple, and the collector of NPN triode Q2 is coupled with the other end ground connection of resistance R5 and resistance R5
Setting；Its emitter is coupled to power supply VCC；Wherein issuing side of the emitter of PNP triode Q2 as control signal.
The present invention is further arranged to: described control unit includes OR-NOT circuit, two input terminal is respectively coupled to locate
Manage the output end of unit and time quantum.
It by using above-mentioned technical proposal, is controlled by way of OR-NOT circuit, can be realized two conditions
Determine, it is simple and convenient on circuit structure, increase the practical value of equipment.
The present invention is further arranged to: coupled in series has frequency modulator on the induction coil L2 of the secondary side.
By using above-mentioned technical proposal, frequency regulator, which is arranged, can facilitate the adjusting for carrying out frequency, measure it
Accuracy is higher, simple to operate, increases the practical value of equipment.
In view of the deficienciess of the prior art, the second object of the present invention is to provide a kind of temperature protection of LED lamp
Device has the detection for wirelessly carrying out electric current, reaches that measurement result is accurate, while the technology without being electrically connected
Effect.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of mounting process of the temperature protector of LED lamp, comprising the following steps:
A part of conducting wire of mains-supplied circuit is wound induction coil by step 1；
Step 2 is arranged location structure and temperature protector is fixed at induction coil position forms it into equivalent induction
Magnetic field；
Step 3 carries out testing current to the coil inside temperature protector, is warned when current value is greater than preset reference value
Show.
By using above-mentioned technical proposal, the inspection of current signal is carried out by detection unit in normal use process
It surveys, high level signal is exported when being detected simultaneously by current signal higher than preset a reference value, while the time quantum progress time is pre-
If processing because every group of LED lamp has corresponding service life, when detect current signal be higher than preset a reference value
And/or when having reached corresponding service life, alarm unit can be controlled and warned, wireless connection can be used in detection unit
Mode carries out, to reach the progress temperature detection by way of detecting size of current, realizes the technical effect of early warning.
In conclusion advantageous effects of the invention are as follows:
1. can be realized the radio connection of temperature protector and mains circuit, while being capable of precise measurement its curent change feelings
Condition, in order to carry out temperature pre-warning；
2. frequency regulator, which is arranged, can facilitate the adjusting for carrying out frequency, the accuracy for measuring it is higher, simple to operate.
Detailed description of the invention
Fig. 1 is circuit diagram in embodiment 1；
Fig. 2 is the circuit control part schematic diagram in embodiment 1；
Fig. 3 is the flow diagram of embodiment 2.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1: being a kind of temperature protector of LED lamp disclosed by the invention, including detection list referring to Figures 1 and 2
Member, processing unit, time quantum, control unit and alarm unit.
Detection unit is mainly used for carrying out the detection of the current signal in mains circuit, and detection unit includes primary side induction
Coil L1 and secondary side induction coil L2, wherein the one end primary side induction coil L1 is coupled to power supply VCC, and other end coupling is negative
It carries, and loads other end ground connection, primary side is mainly as end to be detected；The one end secondary side induction coil L2 is coupled with VCC, and its
The other end is coupled with load resistance R1, and the other end of load resistance R1 couples processing unit；Secondary side induction coil L2 and primary
Side induction coil L1 has identical the number of turns, that is to say, that and the two can form equivalent electric current by electromagnetic induction in secondary side,
It needs two coils to be parallel to each other during the installation process, coupled in series frequency regulator is gone back on secondary side induction coil L2, just
In the current value adjustment of primary side and secondary side is identical.
Processing unit includes two circuit modules, and one of circuit module is current circuit, and another circuit module is to sentence
Determine circuit, current circuit includes that the current circuit includes comparator T1, and positive input is coupled to load resistance R1, is born
It is coupled with a reference value current signal Vref1 to input terminal, further includes the load resistance R3 and series connection coupling for being coupled to power supply VCC
It is connected to the normally opened contact KT1 of the relay of load resistance R3, output of the another terminal of normally opened contact KT1 as high level signal
End；The electromagnetic coil KT1 coupled in series of relay is in the output end of comparator T, and the ground connection setting of its other end；Decision circuit packet
Include the NPN triode Q1 for being coupled to normally opened contact KT1 output end；Its base stage is coupled to the normally opened contact KT1 of relay, current collection
Pole is coupled with resistance R4, and the other end of resistance R4 is coupled to power supply VCC, and the emitter of NPN triode Q1 is grounded setting；NPN
The collector of triode Q1 is coupled with PNP triode Q2 and the base stage of itself and PNP triode Q2 couple, the collection of NPN triode Q2
Electrode is coupled with the other end ground connection setting of resistance R5 and resistance R5；Its emitter is coupled to power supply VCC；Wherein PNP triode
Issuing side of the emitter of Q2 as control signal.
Time quantum includes the time relay, can export high level signal when reaching corresponding timing node.
Control unit includes OR-NOT circuit, two input terminal is respectively coupled to the output end and PNP of the time relay
The emitter of triode；Load resistance R6, the other end series connection coupling of load resistance R6 are coupled in the output end of NAND gate circuit
It is connected to PNP triode Q3, the collector coupling warning of the base stage coupling of load resistance R6 and PNP triode, PNP triode is single
Member, the other end of alarm unit are grounded setting, and emitter is coupled with resistance R7, and the other end of resistance R7 couples power supply VCC；It is alert
Show that unit includes warning lamp L.
The implementation principle of the present embodiment are as follows: in use, when detecting electric current higher than preset a reference value, comparator
T exports high level；The electromagnetic coil KT1 of relay obtains electric control normally opened contact KA1 closure, so that the triode Q1 of NPN type
Base stage becomes high level, triode Q1 conducting, and the base stage of triode Q2 directly passes through triode Q1 and is grounded to get low level,
Triode Q2 conducting, therefore V2 output end is by triode Q2 connection VCC, so that V2 output high level signal is to nor gate, according to
Truth table, nor gate export the base stage of low level to NPN triode Q3, triode Q3 conducting, i.e. bee warning lamp L is in work
State, the either time relay issue high level or detect that current signal is higher than preset value, can control warning lamp
Warning is issued, and then carries out prompting work.
Embodiment 2: being a kind of mounting process of the temperature protector of LED lamp disclosed in the present embodiment, packet referring to Fig. 3
Include following steps:
A part of conducting wire of mains-supplied circuit is wound induction coil by step 1；
Step 2 is arranged location structure and temperature protector is fixed at induction coil position forms it into equivalent induction
Magnetic field；
Step 3 carries out testing current to the coil inside temperature protector, is warned when current value is greater than preset reference value
Show.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of temperature protector of LED lamp characterized by comprising
Detection unit is used for sensed current signal；
Processing unit, for processing detection current signal and control exports high level signal when current signal is higher than a reference value；
Time quantum, for carrying out runing time control and corresponding output pick-off signal；
Control unit is respectively coupled to detection unit and time quantum and in response to current signal and pick-off signal to export control
Signal processed；
Alarm unit is coupled to control unit and in response to control signal to start or close prompt facility；
When time quantum exports pick-off signal and/or current signal is higher than preset value, control alarm unit is warned.
2. a kind of temperature protector of LED lamp according to claim 1, it is characterised in that: the detection unit includes
Primary side induction coil L1 and secondary side induction coil L2, described one end primary side induction coil L1 are coupled to power supply VCC, separately
One end coupling load, and load other end ground connection；Described one end secondary side induction coil L2 is coupled with VCC, and its other end coupling
It is connected to load resistance R1, the other end of load resistance R1 couples processing unit.
3. a kind of temperature protector of LED lamp according to claim 1, which is characterized in that the processing unit includes:
Current circuit, the current signal for detecting in processing unit export high level signal when being higher than preset value；
Decision circuit couples current circuit to control output control signal when receiving high level signal.
4. a kind of temperature protector of LED lamp according to claim 3, which is characterized in that the current circuit includes
Comparator T1, positive input are coupled to load resistance R1, and negative input is coupled with a reference value current signal Vref1,
It further includes the load resistance R3 for being coupled to power supply VCC and coupled in series in the normally opened contact of the relay of load resistance R3
Output end of the another terminal of KT1, normally opened contact KT1 as high level signal；The electromagnetic coil KT1 coupled in series of relay in
The output end of comparator T, and the ground connection setting of its other end.
5. a kind of temperature protector of LED lamp according to claim 3, it is characterised in that: the decision circuit includes
It is coupled to the NPN triode Q1 of normally opened contact KT1 output end；Its base stage is coupled to the normally opened contact KT1 of relay, collector
It is coupled with resistance R4, and the other end of resistance R4 is coupled to power supply VCC, the emitter of NPN triode Q1 is grounded setting；NPN tri-
The collector of pole pipe Q1 is coupled with PNP triode Q2 and the base stage of itself and PNP triode Q2 couple, the current collection of NPN triode Q2
Pole is coupled with the other end ground connection setting of resistance R5 and resistance R5；Its emitter is coupled to power supply VCC；Wherein PNP triode Q2
Emitter as control signal issuing side.
6. a kind of temperature protector of LED lamp according to claim 1, it is characterised in that: described control unit includes
OR-NOT circuit, two input terminal are respectively coupled to the output end of processing unit and time quantum.
7. a kind of temperature protector of LED lamp according to claim 2, it is characterised in that: the induction of the secondary side
Coupled in series has frequency modulator on coil L2.
8. a kind of mounting process of the temperature protector of LED lamp, which comprises the following steps:
A part of conducting wire of mains-supplied circuit is wound induction coil by step 1；
Step 2 is arranged location structure and temperature protector is fixed at induction coil position forms it into equivalent induction
Magnetic field；
Step 3 carries out testing current to the coil inside temperature protector, is warned when current value is greater than preset reference value
Show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910545556.1A CN110191542B (en) | 2019-06-22 | 2019-06-22 | Temperature protector of LED lamp and mounting process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910545556.1A CN110191542B (en) | 2019-06-22 | 2019-06-22 | Temperature protector of LED lamp and mounting process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110191542A true CN110191542A (en) | 2019-08-30 |
| CN110191542B CN110191542B (en) | 2021-07-20 |
Family
ID=67722748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910545556.1A Active CN110191542B (en) | 2019-06-22 | 2019-06-22 | Temperature protector of LED lamp and mounting process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110191542B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113129841A (en) * | 2019-12-30 | 2021-07-16 | 惠州视维新技术有限公司 | Partitioned backlight control method, terminal and storage medium |
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| JP2010182661A (en) * | 2009-02-05 | 2010-08-19 | Fine Technix Co Ltd | Sensibility control stand |
| CN102841321A (en) * | 2011-06-23 | 2012-12-26 | 海洋王照明科技股份有限公司 | Alarm control circuit and alarm tool for lamp aging test |
| CN203689087U (en) * | 2014-01-16 | 2014-07-02 | 浙江江南制药机械有限公司 | Temperature protection device |
| CN204259262U (en) * | 2014-07-23 | 2015-04-08 | 武汉晶美光电有限公司 | A kind of overtemperature protection module of LED actuation temperature warning circuit |
| CN205563957U (en) * | 2016-04-13 | 2016-09-07 | 南京图科自动化设备有限公司 | Actuating drive |
| CN107328488A (en) * | 2016-04-28 | 2017-11-07 | 珠海多监测科技有限公司 | Combined type trans system based on electric field induction |
| CN207583171U (en) * | 2017-12-05 | 2018-07-06 | 深圳市腾信建设股份有限公司 | A kind of intelligent control window |
| CN207717912U (en) * | 2017-12-30 | 2018-08-10 | 南京华博供用电工程有限公司 | Power circuit overheats automatic protective system |
-
2019
- 2019-06-22 CN CN201910545556.1A patent/CN110191542B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010182661A (en) * | 2009-02-05 | 2010-08-19 | Fine Technix Co Ltd | Sensibility control stand |
| CN102841321A (en) * | 2011-06-23 | 2012-12-26 | 海洋王照明科技股份有限公司 | Alarm control circuit and alarm tool for lamp aging test |
| CN203689087U (en) * | 2014-01-16 | 2014-07-02 | 浙江江南制药机械有限公司 | Temperature protection device |
| CN204259262U (en) * | 2014-07-23 | 2015-04-08 | 武汉晶美光电有限公司 | A kind of overtemperature protection module of LED actuation temperature warning circuit |
| CN205563957U (en) * | 2016-04-13 | 2016-09-07 | 南京图科自动化设备有限公司 | Actuating drive |
| CN107328488A (en) * | 2016-04-28 | 2017-11-07 | 珠海多监测科技有限公司 | Combined type trans system based on electric field induction |
| CN207583171U (en) * | 2017-12-05 | 2018-07-06 | 深圳市腾信建设股份有限公司 | A kind of intelligent control window |
| CN207717912U (en) * | 2017-12-30 | 2018-08-10 | 南京华博供用电工程有限公司 | Power circuit overheats automatic protective system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113129841A (en) * | 2019-12-30 | 2021-07-16 | 惠州视维新技术有限公司 | Partitioned backlight control method, terminal and storage medium |
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| Publication number | Publication date |
|---|---|
| CN110191542B (en) | 2021-07-20 |
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