CN206163048U - Intelligent LED nixie display of integrated IC encapsulation - Google Patents
Intelligent LED nixie display of integrated IC encapsulation Download PDFInfo
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- CN206163048U CN206163048U CN201621199808.8U CN201621199808U CN206163048U CN 206163048 U CN206163048 U CN 206163048U CN 201621199808 U CN201621199808 U CN 201621199808U CN 206163048 U CN206163048 U CN 206163048U
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- nixie display
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Abstract
The utility model relates to an intelligent LED nixie display of integrated IC encapsulation, including nixie display casing and the circuit board components of setting in the nixie display casing, circuit board components include printed circuit board, LED light source, IC, resistance and electric capacity, the welding of welding on printed circuit board and the IC pin that is connected with IC on printed circuit board, the circuit of LED light source on through printed circuit board is direct to be connected with IC, still is provided with the test point with IC on the circuit that the LED light source is connected, the integrated IC encapsulation of this intelligence LED nixie display not only can reduce the quantity that the IC pin was drawn forth, is provided with the test point moreover on the circuit, can test alone every LED light source, guarantees the quality of product.
Description
Technical field
The utility model is related to a kind of LED nixie displays, more particularly, to a kind of LED digital-scroll techniques of integrated IC package
Device.
Background technology
LED nixie displays are the semiconductor devices that a kind of numerical monitor and function show, household electrical appliances are particularly in electrical equipment
Field all can be used to LED digital-scroll techniques using extremely wide such as on the guidance panel of air-conditioning, water heater, refrigerator, washing machine
Device.
Existing nixie display is broadly divided into two kinds, and a kind of is conventional LED nixie displays, and another kind is integrated
LED nixie displays.Conventional nixie display is mainly by printed circuit board (PCB), reflector, pin, panel and as luminous unit
LED/light source of part etc. is constituted, and the LED/light source positive and negative polarities arranged in conventional LED nixie displays can all have corresponding pin
Draw, LED/light source is more, and pin is also more, therefore the assembling of inconvenient terminal.But because every LED lamp two ends have right
The pin answered, applying test electric current and backward voltage on pin by detecting instrument can test the forward direction electricity of every LEDs light source
The photoelectric parameters such as pressure, reverse leakage current, luminous intensity and wavelength, it is possible to determine that per LEDs it is whether good, it is ensured that product it is good
Rate.And integrated LED nixie displays are then that IC is directly encapsulated on printed circuit board (PCB), LED light source matrix is directly and IC
It is connected, the quantity of pin can be many less relative to conventional nixie display, very convenient when terminal is assembled, and can subtract
Few cost of labor, and can also reduce because the bending of pin cause it is bad, but integrated LED nixie displays are all
Using SMD LED/light source, the electrode two ends of LED/light source do not have corresponding two outer pins, using conventional detecting instrument
LED/light source cannot directly be applied to test electric current and backward voltage, lead to not test the optical parametric of LED, it is impossible to judge
Whether each LEDs light source is good, there is very big hidden danger of quality.To realize detection, custom-made testing equipment, expense are needed
Costliness, and different product equipment needed thereby is different, it is not general.
Utility model content
The utility model aims to provide a kind of intelligent LED nixie display of integrated IC package, existing integrated to solve
The problem that every LEDs light source in the light-emitting diode display of change cannot be detected individually.
Concrete scheme is as follows：
A kind of intelligent LED nixie display of integrated IC package, including nixie display housing and be arranged on digital aobvious
Show the circuit board assemblies in device housing, the circuit board assemblies include printed circuit board (PCB), welding LED light on a printed circuit
Source, IC chip, resistance and electric capacity, the external pin for being welded on printed circuit board (PCB), LED/light source is by printed circuit board (PCB)
Circuit be directly connected with IC chip, be additionally provided with the circuit that LED/light source is connected with IC chip
Directly form or extend the test point for being formed.
Preferably, the test point is circle, its a diameter of 0.8-1.5mm.
Another preferred version of test point, the test point is square, and its length of side is 0.8-1.5mm.
Preferably, the LED/light source is LED light source matrix, and LED light source matrix has and a plurality of is connected with IC chip
Circuit, a test point is both provided with every circuit that LED light source matrix is connected with IC chip.
Preferably, the external pin is this five pins of VCC, SDA, SCL, GND and SDB.
Preferably, the test point is arranged on the back side of printed circuit board (PCB), and is distributed in the week of IC chip
Side.
Preferably, it is provided with shackle member in the housing the week side of boss.
Preferably, the nixie display housing includes cover and bottom, is provided with for fitting printed circuit on bottom
The base of plate, the both sides of the base are both provided with shackle member, and the draw-in groove being engaged with shackle member is provided with the bottom.
It is further preferred that being additionally provided with the base for the locating dowel of positioning, it is provided with the bottom and determines
The locating slot that position post matches.
The intelligent LED nixie display of a kind of integrated IC package that the utility model is provided has compared with prior art
Advantages below：
1st, the LED light source matrix on the printed circuit board (PCB) of the LED nixie displays be connected with IC chip per bar
A test point is both provided with circuit, therefore the quality that test probe directly tests every LEDs light source can be passed through, Huo Zhetong
Cross test fixture test point is drawn out on tester and tested.
2nd, the test point of the LED nixie displays is circle, its a diameter of 0.8-1.5mm or for square, its length of side
For 0.8-1.5mm, the test point of this area can both meet the needs of test, will not make because of the area of test point is excessive again
The wiring of All other routes in pairs affects.
3rd, the LED nixie displays are integrated with IC package, only draw VCC, SDA, SCL, GND and SDB this five pin, can be with
It is convenient to the assembling of terminal.
Description of the drawings
Fig. 1 shows the schematic diagram of the housing of the intelligent LED nixie display of integrated IC package.
Fig. 2 shows the circuit board assemblies and the schematic diagram of base of the intelligent LED nixie display of integrated IC package.
Fig. 3 shows the electrical schematic diagram of the LED light source matrix of the intelligent LED nixie display of integrated IC package.
Fig. 4 shows the electrical schematic diagram of the IC of the intelligent LED nixie display of integrated IC package.
Fig. 5 shows the positive line map of circuit printing plate of the intelligent LED nixie display of integrated IC package.
Fig. 6 shows the line map at the circuit printing plate back side of the intelligent LED nixie display of integrated IC package.
Fig. 7 shows the enlarged drawing in Fig. 6 at A.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with accompanying drawing.These accompanying drawings are in the utility model is disclosed
A part for appearance, it is mainly to illustrate embodiment, and the running that the associated description of specification can be coordinated to explain embodiment is former
Reason.Coordinate and refer to these contents, those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new
The advantage of type.Component in figure is not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
As shown in Figure 1-Figure 3, show that the intelligent LED of a kind of integrated IC package that the utility model is provided is digital aobvious in figure
Show that device is applied to the embodiment on panel for controlling washing machine, including nixie display housing 1 and be arranged on nixie display shell
Internal circuit board assemblies 2, wherein housing include cover 10 and bottom 12, and buckle button can be passed through between cover 10 and bottom 12
Close or be screwed, pattern or character are provided with cover.The circuit board assemblies include printed circuit board (PCB) 20, weldering
Connect LED/light source on a printed circuit, IC chip, resistance and electric capacity, welding on a printed circuit and external draw
Pin 22, LED/light source is directly connected by the circuit on printed circuit board (PCB) with IC chip, in LED/light source and integrated electricity
Test point 30 is additionally provided with the circuit that road chip is connected.
With reference to shown in Fig. 1 and Fig. 2, circuit board assemblies 2 are installed on the base 40 it, and the left and right sides of base 40 is both provided with card
Fitting 42, is provided with the draw-in groove 14 being engaged with shackle member on the bottom, it is further preferred that also setting up on the base 40
Have for the locating dowel 44 of positioning, the locating slot 16 matched with locating dowel is provided with the bottom.The intelligent LED is digital aobvious
When showing that device is installed, circuit board assemblies are fixed on base, fixed form can make to be screwed, then by locating dowel 44
Positioned with corresponding locating slot 16, then snapped fit onto on base in corresponding draw-in groove 14, finally by face by shackle member 42
Cover buckle is closed and covered on earth, you can complete the installation of the intelligent LED nixie display.Likewise, nixie display housing 1 can also
It is only one of which cover, without bottom, shackle member 42 is set directly in the week side of boss of nixie display housing, then by the card
Fitting 42 is snapped fit onto on washing machine.
Fig. 3 is illustrated that the electrical schematic diagram of the LED light source matrix of multiple LED/light source compositions, and Fig. 4 is illustrated that the electricity of IC is former
Reason figure, the numbering in LED light source matrix is connected with the numbering corresponding to IC.The electricity of the needle stand of the external pin shown in Fig. 5 is former
Reason figure, according to the electrical schematic diagram of Fig. 3, Fig. 4 and Fig. 5, makes the positive line map of printed circuit board (PCB) come in and gone out shown in Fig. 6 and Fig. 7
With the line map at the back side, LED/light source, IC chip, resistance and electric capacity are welded on the weldering that printed circuit board (PCB) vis-a-vis are answered
On disk, external pin is through printed circuit board (PCB) and is welded on corresponding pad.As can be seen from Figures 6 and 7, IC envelopes are integrated with
The intelligent LED nixie display of dress need to only draw 5 external pins.And the LED nixie displays of not integrated IC package need 16
The external pin of root（R1-R8, C1-C8）, the reduction of external pin number, installation when can use in order to terminal.It is further excellent
Choosing, 5 external pins of extraction are this five pins of VCC, SDA, SCL, GND and SDB.
With reference to Fig. 7, the test point 30 is square, and its length of side is between 0.8mm to 1.5mm.Likewise, test point
Can also be circular, its diameter is between 0.8mm to 1.5mm.Preferably, LED light source matrix is connected with IC chip
Every circuit on be both provided with a test point, state test point and be arranged on the back side of printed circuit board (PCB), and be distributed in collection
Into the periphery of circuit chip.The size position of test point by meet test needs area and electric equipment compartment premised on.
With reference to Fig. 1-Fig. 7, when needing to carry out photoelectricity test to every LEDs light source, will test probe directly with survey
Pilot contacts, or test point is drawn out on tester by test fixture, it is possible to realize to every LEDs light source
Photoelectric parameter is tested, and judges whether it is qualified.And when needing to carry out integrated testability to whole LED nixie displays, then
According to this five external pins of conventional frock clamp test VCC, SDA, SCL, GND and SDB.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope of the present utility model limited without departing from appended claims, in form and details
On the utility model can be made a variety of changes, be protection domain of the present utility model.
Claims (9)
1. a kind of intelligent LED nixie display of integrated IC package, including nixie display housing and digital-scroll technique is arranged on
Circuit board assemblies in device housing, it is characterised in that：The circuit board assemblies include printed circuit board (PCB), are welded on printed circuit board (PCB)
On LED/light source, IC chip, resistance and electric capacity, welding external pin on a printed circuit, LED/light source passes through
Circuit on printed circuit board (PCB) is directly connected with IC chip, in the line that LED/light source is connected with IC chip
It is additionally provided with road and directly forms or extend the test point for being formed.
2. a kind of intelligent LED nixie display of integrated IC package according to claim 1, it is characterised in that the survey
Pilot is circle, its a diameter of 0.8-1.5mm.
3. a kind of intelligent LED nixie display of integrated IC package according to claim 1, it is characterised in that the survey
Pilot is square, and its length of side is 0.8-1.5mm.
4. the intelligent LED nixie display of a kind of integrated IC package according to Claims 2 or 3, it is characterised in that described
LED/light source is LED light source matrix, and LED light source matrix has a plurality of circuit being connected with IC chip, LED light source matrix
A test point is both provided with every circuit being connected with IC chip.
5. the intelligent LED nixie display of a kind of integrated IC package according to claim 4, it is characterised in that described outer
Pin is connect for this five pins of VCC, SDA, SCL, GND and SDB.
6. a kind of intelligent LED nixie display of integrated IC package according to claim 4, it is characterised in that the survey
Pilot is arranged on the back side of printed circuit board (PCB), and is distributed in the periphery of IC chip.
7. a kind of intelligent LED nixie display of integrated IC package according to claim 1, it is characterised in that the shell
Shackle member is provided with body the week side of boss.
8. a kind of intelligent LED nixie display of integrated IC package according to claim 1, it is characterised in that the number
Code display housing includes cover and bottom, and the base for fitting printed circuit board, the week of the base are provided with bottom
Side is both provided with shackle member, and the draw-in groove being engaged with shackle member is provided with the bottom.
9. according to the intelligent LED nixie display of a kind of integrated IC package described in claim 8, it is characterised in that the base
On be additionally provided with for positioning locating dowel, the locating slot matched with locating dowel is provided with the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621199808.8U CN206163048U (en) | 2016-11-07 | 2016-11-07 | Intelligent LED nixie display of integrated IC encapsulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621199808.8U CN206163048U (en) | 2016-11-07 | 2016-11-07 | Intelligent LED nixie display of integrated IC encapsulation |
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| Publication Number | Publication Date |
|---|---|
| CN206163048U true CN206163048U (en) | 2017-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621199808.8U Active CN206163048U (en) | 2016-11-07 | 2016-11-07 | Intelligent LED nixie display of integrated IC encapsulation |
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| CN (1) | CN206163048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516474A (en) * | 2017-08-15 | 2017-12-26 | 江苏稳润光电科技有限公司 | A kind of intelligent LED charactron and preparation method |
| CN108680800A (en) * | 2018-03-16 | 2018-10-19 | 昆山国显光电有限公司 | A kind of ESD test devices |
-
2016
- 2016-11-07 CN CN201621199808.8U patent/CN206163048U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516474A (en) * | 2017-08-15 | 2017-12-26 | 江苏稳润光电科技有限公司 | A kind of intelligent LED charactron and preparation method |
| CN108680800A (en) * | 2018-03-16 | 2018-10-19 | 昆山国显光电有限公司 | A kind of ESD test devices |
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