CN207909491U - A kind of display device of aging equipment - Google Patents
A kind of display device of aging equipment Download PDFInfo
- Publication number
- CN207909491U CN207909491U CN201820345340.1U CN201820345340U CN207909491U CN 207909491 U CN207909491 U CN 207909491U CN 201820345340 U CN201820345340 U CN 201820345340U CN 207909491 U CN207909491 U CN 207909491U
- Authority
- CN
- China
- Prior art keywords
- display device
- triode
- charactron
- aging equipment
- limiter circuit
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of display device of aging equipment：Test equipment sends test signal to display device and is shown；Wherein, display device includes buffer unit and amplitude limiter circuit, and test signal is transferred to display unit after buffer unit and amplitude limiter circuit processing and is shown；Display unit includes multiple triodes and multiple charactrons.The display device of the utility model matches together with TCM (automatic gearbox of vehicles control module) plate aging equipment, the display device is located at automobile terminal decentralization, multiple charactrons are vertically outwardly, state and test event at the real-time display TCM plates, working efficiency is provided, the inspection of staff is facilitated.
Description
Technical field
The utility model belongs to aging equipment technical field, more particularly to a kind of display device of aging equipment.
Background technology
Burn-in test project refers to that analog equipment generates always product in the various factors arrived involved in real use condition
The case where change, carries out the process that corresponding conditions reinforce experiment, which mainly has light mainly for plastic material, common aging
Illumination aging, hydrothermal aging, hot wind aging.
The existing aging equipment for carrying out burn-in test mainly obtains the test that product obtains in testing by host computer
Data, operation is relative complex, and in the case of being carried out at the same time burn-in test for multiple products, and data show relatively mixed and disorderly nothing
Chapter, it has not been convenient to the inspection of staff.
Utility model content
The main purpose of the utility model is to provide a kind of display devices of aging equipment.
To achieve the goals above, the utility model provides a kind of display device of aging equipment：Aging equipment is sent
Test signal to display device is shown；Wherein, display device includes buffer unit and amplitude limiter circuit, and test signal is passed through
Display unit is transferred to after buffer unit and amplitude limiter circuit processing to be shown；Display unit includes multiple triodes and more
A charactron.
Preferable scheme is that triode is PNP triode, charactron is common-anode charactron；The emitter of triode connects
Power end is connect, the collector of triode and the common end of charactron connect, and the base stage of triode passes through buffer unit and amplitude limit
Circuit is connect with the input/output port on aging equipment.
Preferable scheme is that amplitude limiter circuit is made of multiple independently arranged exclusions.
Preferable scheme is that buffer unit includes the buffer of multiple interconnections.
Preferable scheme is that the output end of buffer and the access port of exclusion connect, the output end and display unit of exclusion
In triode base stage connection and connect with the pin other than common end in charactron.
The beneficial effects of the utility model：The display device of the aging equipment of the utility model is with TCM (vehicle automatic transmissions
Case control module) plate aging equipment matches together, and which is located at automobile terminal decentralization, multiple vertical courts of charactron
Outside, the state and test event at the real-time display TCM plates, provides working efficiency, facilitates the inspection of staff.
Description of the drawings
Fig. 1 is the functional block diagram of the display device of the utility model embodiment；
Fig. 2 be the utility model embodiment display device in buffer unit circuit diagram；
Fig. 3 be the utility model embodiment display device in amplitude limiter circuit circuit diagram；
Fig. 4 be the utility model embodiment display device in display unit circuit diagram.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the utility model provides a kind of display device of aging equipment, and aging equipment 1 sends test letter
It number is shown to display device 2, wherein display device 2 includes buffer unit 21 and amplitude limiter circuit 22, and test signal is passed through
Buffer unit 21 and amplitude limiter circuit 22 are transferred to display unit 23 after handling and are shown.
As shown in Figure 2, buffer unit 21 includes the buffer of multiple interconnections, is specifically buffer in the present embodiment
It is connected between U2 and buffer U4, it is preferred that it is 74HC595N that the buffer in the present embodiment, which is selected, and 74HC595 is one 8
The bit shift register of serial input, parallel output, parallel output are ternary output；In the rising edge of SCK, serial data is by SDL
Be input to 8 internal Bit Shift buffers, and parallel output be then will be in the data of 8 Bit Shift buffers in the rising edge of LCK
People is deposited to 8 parallel-by-bit output states.When the control signal of serial data input OE be it is low enabled when, parallel output terminal it is defeated
Go out value and is equal to the value that parallel output buffer is stored.And when OE is high potential, that is, output is closed, parallel output terminal meeting
Maintain high impedance status.
As shown in Figure 3, it is preferred that the amplitude limiter circuit 22 in the present embodiment is by multiple independently arranged exclusion (R1~R4) groups
At.
Specifically, as shown in Figure 4, the display unit 23 of the present embodiment includes multiple triodes and multiple charactrons, tool
Body, triode (Q21~Q24) and triode (Q1~Q4) are PNP triode, and charactron is common-anode charactron；Each
The emitter of triode connects power end, and the collector of each triode and the common end (W1~W4) of charactron connect, wherein
The common end W1 connections of the collector and charactron of triode Q21, the collector of triode Q22 and the common end W2 of charactron connect
It connects, the common end W3 connections of the collector and charactron of triode Q23, the collector of triode Q24 and the common end of charactron
W4 connections, the common end W5 connections of the collector and charactron of triode Q1, the collector of triode Q2 and charactron it is public
Hold W6 connections, the common end W7 connections of the collector and charactron of triode Q3, the collector of triode Q4 and the public affairs of charactron
W8 connections are held altogether；The base stage of each triode is defeated by buffer unit 21 and amplitude limiter circuit 22 and the input on aging equipment 1
Outlet connection, input/output port output low level make PNP triode be saturated, and input/output port output high level makes PNP triode
Cut-off.
Specifically, in conjunction with Fig. 2 to Fig. 4 it is found that the output end of buffer U2 is connect with the access port of exclusion R3, R4, caching
The output end of device U4 is connect with the access port of exclusion R1, R2；Charactron pin LP in exclusion R3 output ends and display unit 23,
LG, LF and LE are connected, and exclusion R4 output ends are connect with charactron pin LD, LC, LB and LA in display unit 23, exclusion R2
Output end is connect with the collector of triode (Q21~Q24) in display unit 23 respectively, and exclusion R1 output ends are single with display respectively
The collector connection of triode (Q1~Q4) in member 23.
The display device of the aging equipment of the utility model is with TCM (automatic gearbox of vehicles control module) plate aging equipment
Match together, which is located at automobile terminal decentralization, multiple charactrons vertically outwardly, the real-time display TCM plates institute
The state and test event being in, provide working efficiency, facilitate the inspection of staff.
The technical principle of the utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art would not require any inventive effort the other specific implementation modes that can associate the utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (5)
1. a kind of display device of aging equipment, the aging equipment sends test signal to the display device and is shown；
It is characterized in that：
The display device includes buffer unit and amplitude limiter circuit, and the test signal is by the buffer unit and described
Display unit is transferred to after amplitude limiter circuit processing to be shown；
The display unit includes multiple triodes and multiple charactrons.
2. display device according to claim 1, it is characterised in that：
The triode is PNP triode, and the charactron is common-anode charactron；
The emitter of the triode connects power end, and the collector of the triode is connect with the common end of the charactron,
The base stage of the triode passes through the buffer unit and the amplitude limiter circuit and the input/output port on the aging equipment
Connection.
3. display device according to claim 2, it is characterised in that：
The amplitude limiter circuit is made of multiple independently arranged exclusions.
4. display device according to claim 3, it is characterised in that：
The buffer unit includes the buffer of multiple interconnections.
5. display device according to claim 4, it is characterised in that：
The output end of the buffer is connect with the access port of the exclusion, in the output end of the exclusion and the display unit
The triode base stage connection and connect with the pin other than common end in the charactron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820345340.1U CN207909491U (en) | 2018-03-14 | 2018-03-14 | A kind of display device of aging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820345340.1U CN207909491U (en) | 2018-03-14 | 2018-03-14 | A kind of display device of aging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207909491U true CN207909491U (en) | 2018-09-25 |
Family
ID=63558126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820345340.1U Expired - Fee Related CN207909491U (en) | 2018-03-14 | 2018-03-14 | A kind of display device of aging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207909491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410807A (en) * | 2018-11-21 | 2019-03-01 | 惠科股份有限公司 | Driving circuit and display panel |
-
2018
- 2018-03-14 CN CN201820345340.1U patent/CN207909491U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410807A (en) * | 2018-11-21 | 2019-03-01 | 惠科股份有限公司 | Driving circuit and display panel |
| US11443666B2 (en) | 2018-11-21 | 2022-09-13 | HKC Corporation Limited | Drive circuit for adjusting a voltage required for aging detection using a feedback circuit, and display panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20200314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |