CN205430738U - Automatic JP cabinet of adjusting luminance - Google Patents
Automatic JP cabinet of adjusting luminance Download PDFInfo
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- CN205430738U CN205430738U CN201620241676.4U CN201620241676U CN205430738U CN 205430738 U CN205430738 U CN 205430738U CN 201620241676 U CN201620241676 U CN 201620241676U CN 205430738 U CN205430738 U CN 205430738U
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- automatic light
- light meter
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- 230000033228 biological regulation Effects 0.000 claims abstract description 44
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000002146 bilateral effect Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005286 illumination Methods 0.000 abstract description 4
- 230000003750 conditioning effect Effects 0.000 abstract description 3
- 230000005616 pyroelectricity Effects 0.000 description 10
- 238000009826 distribution Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000005669 field effect Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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 an automatic JP cabinet of adjusting luminance aims at providing automatically regulated light luminance, and the problem of energy -conserving illumination has been solved to convenient to use's JP cabinet, and its technical scheme main points are including the cabinet body, the internal light of establishing ties on power supply loop that is provided with of cabinet, and it has the pressure regulating circuit that is used for adjusting the operating voltage of light still to establish ties on the power supply loop of light, and the pressure regulating circuit includes rectification portion, control part and regulation portion, regulation portion is used for exporting conditioning signal, it is coupled and is used for receiving conditioning signal and exports control signal in regulation portion to state the control part, the control part is coupled in rectification portion and is used for receiving control signal and changes the operating voltage of light, has reached the effect that convenient illumination was salvageed.
Description
Technical field
This utility model relates to power system technical field of low-volatile distribution equipment.
Background technology
JP cabinet is also comprehensive distribution box or power distribution cabinet, low-voltage distribution cabinet is deep into production scene, public place, the places such as residential building, it may be said that every place making electrical installation will be equipped with this equipment, and the development of low-voltage distribution cabinet is planted in material industry, low-voltage electrical, processing technique and equipment, the construction of infrastructure and the living standard of the people, so the level of low-voltage distribution cabinet reflects a regional economic strength and science and technology living standard in terms of one.
Neither one efficient illumination in low-voltage distribution JP cabinet before, owing to not having light to need artificial hand-held pocket lamp to keep in repair the when of rushing to repair distribution JP cabinet night, thus brings unhandy problem；If but directly increase an illuminating lamp and will improve power consumption, therefore, this contradiction between the two needs an effective scheme to solve.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide and can be automatically adjusted lighting brightness, it is simple to the JP cabinet of use.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of JP cabinet with an automatic light meter, including cabinet, the illuminating lamp being series on current supply circuit it is provided with in described cabinet, also being in series with the regulating circuit of the running voltage in order to adjusting illuminating lamp on the current supply circuit of described illuminating lamp, described regulating circuit includes rectification part, control portion and regulation portion；Described regulation portion is in order to output regulation signal；Described control portion is coupled to regulation portion in order to receive regulation signal and to export control signal；Described control portion is coupled to rectification part in order to receive control signal and to change the running voltage of illuminating lamp.
By above-mentioned setting, illuminating lamp is illuminated work by current supply circuit, by in order to solve energy consumption problem, so needing the brightness to illuminating lamp to carry out a regulation, this programme uses regulation portion export a regulation signal and to control portion, rectification part is carried out the regulation of a voltage, owing to rectification part is connected on the current supply circuit of illuminating lamp, and then the voltage at illuminating lamp two ends can be changed, thus realize being come the brightness of adjusting illuminating lamp by the regulation of voltage, realize the purpose being automatically adjusted, it is simple to the maintenance of attendant.
Can be preferably as concrete scheme of the present utility model: described rectification part is to have the rectifier bridge module of four terminals, terminal one connects illuminating lamp one end, terminal three connects the zero line of current supply circuit, terminal two connects control portion in order to output cathode power supply, and terminal four connects control portion in order to output negative pole power supply.
By above-mentioned setting, rectifier bridge module device integration is high, and is difficult to connectivity problem occur, and side connecting conductor is just, easy to use, simplifies circuit connection structure.
Can be preferably as concrete scheme of the present utility model: described regulation portion includes photoconductive resistance and the divider resistance being serially connected, the node output regulation signal between described photoconductive resistance and divider resistance.
By above-mentioned setting, photoconductive resistance can gather ambient brightness, such that it is able to export the regulation signal of a change according to the brightness of environment, thus realize carrying out the control to illuminating lamp according to environment light, make illuminating lamp can according to environment dark in the case of brightness improve, in the case of environment is more bright, luminance-reduction.
Can be preferably as concrete scheme of the present utility model: described control portion includes receiving the diode of regulation signal, in order to regulate the electric capacity at phase angle, bilateral diode, bidirectional triode thyristor；Described electric capacity one end connects diode cathode, and the other end connects power cathode；The negative electrode of described diode connects the control end of bidirectional triode thyristor by bilateral diode；The two ends of described bidirectional triode thyristor connect rectification part respectively.
By above-mentioned setting, by control portion, regulation signal is carried out a signal processing, and it is the phase angle that changes alternating current of the discharge and recharge by electric capacity, thus controls the angle of flow of bidirectional triode thyristor simultaneously, and then act on rectification part and play the effect of regulation voltage.
Can be preferably as concrete scheme of the present utility model: be connected also by switching switch between described diode and electric capacity, another contact of described switching switch connects potentiometer, and the adjustable side of described potentiometer connects rectification part.
By above-mentioned setting, the switching realizing between manually regulating and being automatically adjusted by switching switch, can be communicated to switching switch on potentiometer, such that it is able to the brightness of illuminating lamp carries out a regulation by regulator potentiometer, add the function of a manual regulation, it is simple to use.
Can be preferably as concrete scheme of the present utility model: on the current supply circuit of described illuminating lamp, be also in series with activate switch.
By above-mentioned setting, the power supply of illuminating lamp can be played a control action by activate switch, can directly control the power supply of illuminating lamp by controlling activate switch, play the effect of a main switch.
Can be preferably as concrete scheme of the present utility model: described activate switch is press button.
By above-mentioned setting, press button can pressing down when the closure state of maintained switch, realize the disconnection of contact when of again pressing, consequently facilitating operator use.
Can be preferably as concrete scheme of the present utility model: on the current supply circuit of described illuminating lamp, be also in series with the normally opened contact of relay, pyroelectric infrared sensor and drive circuit it is additionally provided with on described cabinet, the outfan of described pyroelectric infrared sensor connects drive circuit, and described drive circuit is in order to control the keying of normally opened contact.
By above-mentioned setting, pyroelectric infrared sensor can sense the whether close of human body, such that it is able to output boolean signal (switching signal), such that it is able to be controlled by drive circuit and then to relay, make the controlled signal being formed on pyroelectric infrared sensor in contact of relay, then realize when human body near when, the actuating of relay, will turn on the current supply circuit of illuminating lamp, if human body is away from (or do not have human body close), pyroelectric infrared sensor would not trigger signal and the current supply circuit of illuminating lamp is connected, and then whole circuit quits work, saves energy.
Can be preferably as concrete scheme of the present utility model: described drive circuit includes the relay coil that the outfan of optic coupling element and the optic coupling element being connected with pyroelectric infrared sensor is connected.
By above-mentioned setting, optic coupling element is as a driving force driving element can be effectively improved the coil to relay, it is ensured that the rapidity of control, improves response speed.
Can be preferably as concrete scheme of the present utility model: described pyroelectric infrared sensor is arranged at the top of cabinet.
By above-mentioned setting, pyroelectric infrared sensor is arranged higher position, improve the accuracy of detection.
In sum, this utility model has the advantages that
1, the brightness of illumination can be automatically adjusted；
2, can be with the brightness of hands automatic switchover adjusting illuminating lamp；
3, can automatically detect human body and carry out a control with or without opening and closing near the power supply carrying out the current supply circuit to illuminating lamp.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the present embodiment one to three；
Fig. 2 is the circuit theory diagrams of embodiment one；
Fig. 3 is the circuit theory diagrams of embodiment two；
Fig. 4 is the circuit theory diagrams of embodiment three.
In figure 1, cabinet；2, regulating circuit；LD, illuminating lamp；D, rectification part；D1, terminal one；D2, terminal two；D3, terminal three；D4, terminal four；21, control portion；D1, diode；C, electric capacity；ST, bilateral diode；BCR, bidirectional triode thyristor；22, regulation portion；GR, photoconductive resistance；R2, divider resistance；K2, switching switch；W, potentiometer；SB, activate switch；K1, normally opened contact；KM, coil；U1, optic coupling element；3, pyroelectric infrared sensor.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
Embodiment 1: a kind of JP cabinet with an automatic light meter, as shown in Figure 1, 2, including cabinet 1, is provided with the illuminating lamp LD being series on current supply circuit in cabinet 1.Have side door before and after cabinet 1, and inside is provided with electric equipment.Illuminating lamp LD is just arranged on the inside of cabinet 1, can be illuminated cabinet 1, it is simple to observe component when of maintenance.As in figure 2 it is shown, be also in series with the regulating circuit 2 of the running voltage in order to adjusting illuminating lamp LD on the current supply circuit of illuminating lamp LD, current supply circuit is to connect line voltage 220V/50Hz alternating current.Wherein L be live wire, N be zero line.
Regulating circuit 2 includes rectification part D, control portion 21 and regulation portion 22.Rectification part D is to have the rectifier bridge module of four terminals, and terminal one d1 connects illuminating lamp LD one end, and terminal three d3 connects the zero line of current supply circuit, and terminal two d2 connection control portion 21 is in order to output cathode power supply, and terminal four d4 connects control portion 21 in order to output negative pole power supply.
Regulation portion 22 includes photoconductive resistance GR and the divider resistance R2 being serially connected, the node output regulation signal between photoconductive resistance GR and divider resistance R2.
Control portion 21 includes receiving the diode D1 of regulation signal, in order to regulate the electric capacity C at phase angle, bilateral diode ST, bidirectional triode thyristor BCR；Electric capacity C one end connects diode D1 negative electrode, and the other end connects power cathode；The negative electrode of diode D1 connects the control end of bidirectional triode thyristor BCR by bilateral diode ST；The two ends of bidirectional triode thyristor BCR connect rectification part D respectively.
By above-mentioned setting, illuminating lamp LD is illuminated work by current supply circuit, by in order to solve energy consumption problem, so needing the brightness of illuminating lamp LD carries out a regulation, this programme uses regulation portion 22 export a regulation signal and to control portion 21, rectification part D is carried out the regulation of a voltage, owing to rectification part D is connected on the current supply circuit of illuminating lamp LD, and then the voltage at illuminating lamp LD two ends can be changed, thus realize being come the brightness of adjusting illuminating lamp LD by the regulation of voltage, realize the purpose being automatically adjusted, it is simple to the maintenance of attendant.Rectifier bridge module device integration is high, and is difficult to connectivity problem occur, and side connecting conductor is just, easy to use, simplifies circuit connection structure.Photoconductive resistance GR can gather ambient brightness, such that it is able to export the regulation signal of a change according to the brightness of environment, thus realize carrying out the control to illuminating lamp LD according to environment light, make illuminating lamp LD can according to environment dark in the case of brightness improve, in the case of environment is more bright, luminance-reduction.
By control portion 21, regulation signal is carried out a signal processing, and be the phase angle being changed alternating current by the discharge and recharge of electric capacity C, thus control the angle of flow of bidirectional triode thyristor BCR simultaneously, and then act on rectification part D and play the effect of regulation voltage.
Embodiment 2: a kind of JP cabinet with an automatic light meter, as it is shown on figure 3, be connected also by switching switch K2 between diode D1 with electric capacity C, another contact of switching switch K2 connects has the adjustable side of potentiometer W, potentiometer W to connect rectification part D.
When switching switch K2 is in upper end position, the charging interval parameter of the phase-shift network that the angle of flow of bidirectional triode thyristor BCR is made up of resistance R1, potentiometer W and electric capacity C determines, adjust potentiometer W and can change the angle of flow of bidirectional triode thyristor BCR, thus adjust the brightness of illuminating lamp LD.When switching switch K2 is in lower end position, the bleeder circuit being made up of divider resistance R2 and photoconductive resistance GR is charged to electric capacity C by diode D1, and the dividing potential drop changing divider resistance R2 and photoconductive resistance GR can change the angle of flow of bidirectional triode thyristor BCR.When light around photoconductive resistance GR weakens, bilateral diode ST presents high resistant, diode D1 right-hand member current potential raises, and electric capacity C charging rate is accelerated, thus the bidirectional triode thyristor BCR angle of flow increases, illuminating lamp LD both end voltage raises, brightness strengthens, otherwise, then photoconductive resistance GR resistance diminishes, brightness reduces, thus completes automatic dimming function.
The switching between manually regulating and being automatically adjusted is realized by switching switch K2, switching switch K2 can be communicated on potentiometer W, such that it is able to the brightness of illuminating lamp LD is carried out a regulation by regulator potentiometer W, add the function of a manual regulation, it is simple to use.
Embodiment 3: include that embodiment 2, difference are on the current supply circuit of illuminating lamp LD to be also in series with activate switch SB.Activate switch SB is press button.
By above-mentioned setting, the power supply of illuminating lamp LD can be played a control action by activate switch SB, can directly control the power supply of illuminating lamp LD by controlling activate switch SB, play the effect of a main switch.Press button can pressing down when the closure state of maintained switch, realize the disconnection of contact when of again pressing, consequently facilitating operator use.
Embodiment 4: include embodiment 1 and embodiment 2, its difference is to be controlled activate switch SB in embodiment 3 by following pyroelectric infrared sensor, the normally opened contact K1 of relay also it is in series with on the current supply circuit of illuminating lamp LD, pyroelectric infrared sensor and drive circuit it is additionally provided with on cabinet 1, the outfan of pyroelectric infrared sensor connects drive circuit, and drive circuit is in order to control the keying of normally opened contact K1.Drive circuit includes the relay coil KM that the outfan of optic coupling element U1 and the optic coupling element U1 being connected with pyroelectric infrared sensor is connected.
As in figure 2 it is shown, pyroelectric infrared sensor includes housing, optical filter, field effect transistor Q11 and pyroelectricity element；Housing is provided with through hole, and optical filter is connected in through hole；Field effect transistor Q11 and pyroelectricity element are positioned at the enclosure interior of pyroelectric infrared sensor；Pyroelectricity element is coupled between the grid of field effect transistor Q11 and ground end.Radiated by optical filter sensing external heat.The Main Function of optical filter is only to allow wavelength infrared ray (Infrared wavelength that human body sends) about 10 μm to pass through, and light, sunlight and other radiation is filtered, with the interference that suppression is extraneous.Infrared induction source is generally made up of two pyroelectricity elements in series or in parallel, the electrode of the two pyroelectricity element is contrary, ambient background radiation almost has identical effect to two pyroelectricity elements so that it is the pyroelectric effect of generation is cancelled out each other, and output signal is close to zero.In once having people's intrusion detection region, human infrared radiation is focused on by partial mirror, and is received by pyroelectricity element, owing to angle is different, the heat that two panels pyroelectricity element receives is different, and pyroelectricity energy is the most different, can not be completely counterbalanced by, after treated processing of circuit, export control signal.Pyroelectric effect is similar to piezoelectric effect, refers to cause the phenomenon of plane of crystal electric charge due to the change of temperature.Pyroelectric infrared sensor is made up of ceramic oxide or piezolectric crystal unit, electrode is made on two surfaces of element, when in the range of Sensor monitoring, temperature has the change of △ T, pyroelectric effect can produce electric charge △ Q on two electrodes, produces a faint voltage △ V the most between electrodes.Owing to its output impedance is high, field effect transistor Q1 is had to carry out impedance transformation in the sensor.Produced by pyroelectric effect, electric charge △ Q can be combined by the ion in air and disappear, and i.e. when ambient temperature-stable is constant, △ T=O, sensor is without output.Human body or the bigger animal of volume have constant body temperature, general at 37 degree, so the infrared ray about specific wavelength 10 μm can be sent, when human body enters detection zone, because human body temperature and ambient temperature have difference, infrared ray about 10 μm of human-body emitting gathers on infrared induction source (pyroelectricity element) after being strengthened by Fresnel lens optical filter, infrared induction source will lose charge balance when receiving human infrared radiation, outwards discharge electric charge, and then produce △ T and △ T circuit to the periphery is exported, subsequent conditioning circuit just can produce biological personnel after processing after testing and detect signal.
By above-mentioned setting, detecting the close of human body, pyroelectric infrared sensor can effectively detect the close of human body, it is possible to exports corresponding induced signal.Pyroelectric infrared sensor can sense the whether close of human body, such that it is able to output boolean signal (switching signal), such that it is able to be controlled by drive circuit and then to relay, make the controlled signal being formed on pyroelectric infrared sensor in contact of relay, then realize when human body near when, the actuating of relay, will turn on the current supply circuit of illuminating lamp LD, if human body is away from (or do not have human body close), pyroelectric infrared sensor would not trigger signal and the current supply circuit of illuminating lamp LD is connected, and then whole circuit quits work, saves energy.Optic coupling element U1 is as a driving force driving element can be effectively improved the coil KM to relay, it is ensured that the rapidity of control, improves response speed.
As it is shown in figure 1, pyroelectric infrared sensor is arranged at the top of cabinet 1.Pyroelectric infrared sensor is arranged higher position, improves the accuracy of detection.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
Claims (10)
1. a JP cabinet with an automatic light meter, including cabinet (1), it is characterized in that: in described cabinet (1), be provided with the illuminating lamp (LD) being series on current supply circuit, also being in series with the regulating circuit (2) of running voltage in order to adjusting illuminating lamp (LD) on the current supply circuit of described illuminating lamp (LD), described regulating circuit (2) includes rectification part (D), control portion (21) and regulation portion (22)；
Described regulation portion (22) is in order to output regulation signal；
Described control portion (21) is coupled to regulation portion (22) in order to receive regulation signal and to export control signal；
Described control portion (21) is coupled to rectification part (D) in order to receive control signal and to change the running voltage of illuminating lamp (LD).
JP cabinet with an automatic light meter the most according to claim 1, it is characterized in that: described rectification part (D) is the rectifier bridge module with four terminals, terminal one (d1) connects illuminating lamp (LD) one end, terminal three (d3) connects the zero line of current supply circuit, terminal two (d2) connection control portion (21) is in order to output cathode power supply, and terminal four (d4) connects control portion (21) in order to output negative pole power supply.
JP cabinet with an automatic light meter the most according to claim 1, it is characterized in that: described regulation portion (22) includes photoconductive resistance (GR) and the divider resistance (R2) being serially connected, the node output regulation signal between described photoconductive resistance (GR) and divider resistance (R2).
JP cabinet with an automatic light meter the most according to claim 3, it is characterised in that: described control portion (21) includes receiving the diode (D1) of regulation signal, in order to regulate the electric capacity (C) at phase angle, bilateral diode (ST), bidirectional triode thyristor (BCR)；
Described electric capacity (C) one end connects diode (D1) negative electrode, and the other end connects power cathode；
The negative electrode of described diode (D1) connects the control end of bidirectional triode thyristor (BCR) by bilateral diode (ST)；
The two ends of described bidirectional triode thyristor (BCR) connect rectification part (D) respectively.
JP cabinet with an automatic light meter the most according to claim 4, it is characterized in that: be connected also by switching switch (K2) between described diode (D1) with electric capacity (C), another contact of described switching switch (K2) connects potentiometer (W), and the adjustable side of described potentiometer (W) connects rectification part (D).
JP cabinet with an automatic light meter the most according to claim 1, it is characterised in that: also it is in series with activate switch (SB) on the current supply circuit of described illuminating lamp (LD).
JP cabinet with an automatic light meter the most according to claim 6, it is characterised in that: described activate switch (SB) is press button.
JP cabinet with an automatic light meter the most according to claim 1, it is characterized in that: on the current supply circuit of described illuminating lamp (LD), be also in series with the normally opened contact (K1) of relay, described cabinet is additionally provided with pyroelectric infrared sensor and drive circuit on (1), the outfan of described pyroelectric infrared sensor connects drive circuit, and described drive circuit is in order to control the keying of normally opened contact (K1).
JP cabinet with an automatic light meter the most according to claim 8, it is characterised in that: described drive circuit includes the relay coil (KM) that the outfan of optic coupling element (U1) and the optic coupling element (U1) being connected with pyroelectric infrared sensor is connected.
JP cabinet with an automatic light meter the most according to claim 9, it is characterised in that: described pyroelectric infrared sensor is arranged at the top of cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241676.4U CN205430738U (en) | 2016-03-25 | 2016-03-25 | Automatic JP cabinet of adjusting luminance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241676.4U CN205430738U (en) | 2016-03-25 | 2016-03-25 | Automatic JP cabinet of adjusting luminance |
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| Publication Number | Publication Date |
|---|---|
| CN205430738U true CN205430738U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620241676.4U Active CN205430738U (en) | 2016-03-25 | 2016-03-25 | Automatic JP cabinet of adjusting luminance |
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| CN (1) | CN205430738U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962152A (en) * | 2018-07-10 | 2018-12-07 | 重庆工业职业技术学院 | A kind of computer display brightness controller |
| CN114430598A (en) * | 2021-12-27 | 2022-05-03 | 佛山电器照明股份有限公司 | LED light sense lamp control circuit and LED lamp |
-
2016
- 2016-03-25 CN CN201620241676.4U patent/CN205430738U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962152A (en) * | 2018-07-10 | 2018-12-07 | 重庆工业职业技术学院 | A kind of computer display brightness controller |
| CN114430598A (en) * | 2021-12-27 | 2022-05-03 | 佛山电器照明股份有限公司 | LED light sense lamp control circuit and LED lamp |
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