CN208999993U - Touch panel test connecting apparatus - Google Patents
Touch panel test connecting apparatus Download PDFInfo
- Publication number
- CN208999993U CN208999993U CN201821588223.4U CN201821588223U CN208999993U CN 208999993 U CN208999993 U CN 208999993U CN 201821588223 U CN201821588223 U CN 201821588223U CN 208999993 U CN208999993 U CN 208999993U
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- interface
- usb
- circuit
- conversion circuit
- touch panel
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Abstract
The utility model provides touch panel test connecting apparatus, including touch panel interface circuit, signal conversion circuit, voltage conversion circuit and usb circuit；The usb circuit is connect with the signal conversion circuit and the voltage conversion circuit respectively；The touch panel interface circuit is connect with the signal conversion circuit and the voltage conversion circuit respectively.Apparatus structure is simple, easy to operate, and the versatility for substantially reducing testing cost, improving testing efficiency and lifting device.
Description
Technical field
The utility model relates to the testing fields of touch panel, and in particular to a kind of touch panel test connecting apparatus.
Background technique
Since the wide in variety of touch panel (abbreviation TP), machine are complicated, the existing test side for touch panel
Method, it could be tested by needing the TP test for each machine to require one computer of purchase.It greatly wastes in this way
The cost of company, and the frequent switching on and shutting down of computer easily damage；Further, the time for operating a piece of TP is longer, virtually influences
Product output efficiency.
Therefore, it is necessary to provide a kind of TP General purpose jig, enables to TP test to realize versatility, solve test computer
The switching on and shutting down time is long, testing efficiency is low and problem at high cost.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of touch panel test connecting apparatus, realize test
Versatility can be compatible with the TP of heterogenous；And investment is reduced costs, while testing efficiency can also be greatly improved.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows:
Touch panel test connecting apparatus, including touch panel interface circuit, signal conversion circuit, voltage conversion circuit with
And usb circuit；The usb circuit is connect with the signal conversion circuit and the voltage conversion circuit respectively；Institute
Touch panel interface circuit is stated to connect with the signal conversion circuit and the voltage conversion circuit respectively.
Wherein, the signal conversion circuit includes USB_P interface, USB_N interface, VDD interface, GND interface and at least
Four NC interfaces；
The USB_P interface, USB_N interface, VDD interface and GND interface are separately connected the usb circuit.
Wherein, described device further includes power switch；The voltage conversion circuit includes voltage-stablizer, first capacitor C1 and
Two capacitor C2；
The VDD interface divides two-way, wherein connecting the Vout interface of the voltage-stablizer all the way, another way is sequentially connected described
Second capacitor C2 and the GND interface；
GND interface, wherein one end of first capacitor C1, the power supply that the GND interface is also respectively connected with the voltage-stablizer are opened
The GND interface of pass and the usb circuit；
The Vin that the other end of the first capacitor C1 and one end of the power switch are separately connected the voltage-stablizer connects
Mouthful；The other end of the power switch is connect with the VBUS interface of the usb circuit.
Wherein, the voltage conversion circuit further includes indicator light LED1 and resistance R1；One end of the indicator light LED1 point
The Vin interface and the power switch are not connected, and the other end is sequentially connected the GND interface of resistance R1 and usb circuit.
It wherein, further include shell；The signal conversion circuit, voltage conversion circuit, power switch and usb circuit
It is set in the shell；
The shell in the interface position of the correspondence signal conversion circuit, the usb circuit interface position, refer to
The position of the position and power switch that show lamp LED1 offers corresponding opening respectively.
It wherein, further include inductance L1；One end of the inductance L1 is separately connected the USB_P interface and USB_N interface, separately
One end connects the usb circuit.
The utility model has the beneficial effects that: provide it is a kind of for being separately connected the attachment device of tested TP and computer,
The tested TP that distinct interface defines can be docked by signal conversion circuit, realize TP interface compatibility；Usb circuit can be utilized
Voltage output function is that tested TP is powered, to meet testing requirement；Electricity can be carried out to tested TP by voltage conversion circuit
Pressure conversion makes it support to carry out communication connection with computer；Most of all, the IC bus clock of usb circuit can be utilized
Pulse and data pulse synchronize tested TP.By it is above-mentioned realize any one computer can by described device send drive
Dynamic signal is used to carry out it test of touch function to tested TP, thus substantially reduce testing cost, improve testing efficiency with
And the versatility of lifting device.
Detailed description of the invention
Fig. 1 is the structure composition and connection schematic diagram of the utility model touch panel test connecting apparatus；
Fig. 2 is the electrical block diagram of the utility model；
Fig. 3 is the working principle diagram of the device of the utility model.
Label declaration:
1, touch panel interface circuit；2, signal conversion circuit；3, voltage conversion circuit；
4, usb circuit.
Specific embodiment
For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is: can using USB clock pulses and data pulse to tested TP into
Row synchronizes；It is provided simultaneously according to the interface definition of different TP and is connected line, and voltage is converted, realize any one
Computer can send the test that driving signal is used to carry out it touch function to tested TP by described device.
Fig. 1 and Fig. 2 is please referred to, the utility model provides a kind of touch panel test connecting apparatus, including touch panel
Interface circuit, signal conversion circuit, voltage conversion circuit and usb circuit；The usb circuit respectively with the letter
Number conversion circuit is connected with the voltage conversion circuit；The touch panel interface circuit respectively with the signal conversion circuit and
The voltage conversion circuit connection.
As can be seen from the above description, being connect the utility model has the beneficial effects that: difference can be docked by signal conversion circuit
The tested TP of mouth definition, realizes TP interface compatibility；It can be that tested TP is supplied using the voltage output function of usb circuit
Electricity, to meet testing requirement；Voltage conversion can be carried out to tested TP by voltage conversion circuit, lead to its support with computer
News connection；Most of all, can be carried out using the pulse of IC bus clock and data pulse of usb circuit to tested TP same
Step.It is realized any one computer by above-mentioned and can be sent driving signal to tested TP for touching to it by described device
The test of function is touched, thus the versatility for substantially reducing testing cost, improving testing efficiency and lifting device.
Further, the signal conversion circuit include USB_P interface, USB_N interface, VDD interface, GND interface and
At least four NC interface；
The USB_P interface, USB_N interface, VDD interface and GND interface are separately connected the usb circuit.
Further, described device further includes power switch；The voltage conversion circuit includes voltage-stablizer, first capacitor C1
With the second capacitor C2；
The VDD interface divides two-way, wherein connecting the Vout interface of the voltage-stablizer all the way, another way is sequentially connected described
Second capacitor C2 and the GND interface；
GND interface, wherein one end of first capacitor C1, the power supply that the GND interface is also respectively connected with the voltage-stablizer are opened
The GND interface of pass and the usb circuit；
The Vin that the other end of the first capacitor C1 and one end of the power switch are separately connected the voltage-stablizer connects
Mouthful；The other end of the power switch is connect with the VBUS interface of the usb circuit.
Seen from the above description, in a specific embodiment, the particular circuit configurations of the voltage conversion circuit and company
It connects as described above；It simultaneously can also being turned on and off by power switch autonomous control power supply.
Further, the voltage conversion circuit further includes indicator light LED1 and resistance R1；The one of the indicator light LED1
End is separately connected the Vin interface and the power switch, and the other end is sequentially connected resistance R1 and the GND of usb circuit connects
Mouthful.
Seen from the above description, more preferably, go back while indicator light is set and the working condition of device is prompted.
It further, further include shell；The signal conversion circuit, voltage conversion circuit, power switch and USB interface
Circuit is set in the shell；
The shell in the interface position of the correspondence signal conversion circuit, the usb circuit interface position, refer to
The position of the position and power switch that show lamp LED1 offers corresponding opening respectively.
Seen from the above description, in a specific embodiment, the major electrical equipment element of device is integrated in shell, no
Only facilitate operation, while structure is simpler.
It further, further include inductance L1；One end of the inductance L1 is separately connected the USB_P interface and USB_N connects
Mouthful, the other end connects the usb circuit
Seen from the above description, circuit can be obtained by inductance integrally have the advantages of certain anti-tampering characteristic.
Please refer to Fig. 1-3, the embodiments of the present invention are as follows:
As shown in Figure 1, touch panel test connecting apparatus, for be separately connected tested touch panel (following abbreviation TP) and
Computer for being tested TP, i.e., as the connector between TP and computer.The TP that distinct interface defines can be compatible with；Energy
Enough transmission driving signal is to TP, to realize low cost, is efficient to TP progress touch-control test.
The above-mentioned touch panel test connecting apparatus includes sequentially connected touch panel interface circuit 1, signal turn
Change circuit 2, voltage conversion circuit 3 and usb circuit 4.
Wherein, one end of the touch panel interface circuit 1 is for connecting TP, interface of the other end according to the TP connected
Definition, connecting hole docking corresponding with signal conversion circuit 2；The signal conversion circuit 2 is connected line, energy for providing
Enough accomplish the TP that compatible distinct interface defines, realizes that the communication connection of tested TP and touch panel test connecting apparatus is established；Institute
Voltage conversion circuit 3 is stated, the substantially voltage for exporting USB is converted to the voltage of the 3.5V or 5V suitable for TP, to be
TP power supply；One end of the usb circuit 4 is connect with the signal conversion circuit 2 and the voltage conversion circuit 3 respectively,
The other end with the USB interface of computer for connecting；The usb circuit 4 is used for transmission being used for tested TP for computer sending
Carry out the driving signal of touch-control test.
Specifically, the signal conversion circuit 2 include USB_P interface, USB_N interface, VDD interface, GND interface and
At least four NC interface.Preferably, signal conversion circuit 2 includes 10 NC interfaces；The VDD interface is VDD3.3V.It is described
Voltage conversion circuit 3 includes voltage-stablizer, first capacitor C1 and the second capacitor C2；The voltage-stablizer includes Vout interface, Vin interface
And GND interface.Preferably, voltage conversion circuit 3 further includes indicator light LED1 and resistance R1；The model of the voltage-stablizer
AMS 1117-3.3v.The usb circuit 4 includes VBUS interface, D+ interface, D- interface and GND interface.Described device is also
Including power switch S1 and inductance L1.
As shown in Fig. 2, the circuit connecting relation between the structure composition of above-mentioned apparatus are as follows: the USB_P interface, USB_N
One end of interface, VDD interface and GND interface is separately connected the usb circuit；The other end is fixed according to the interface for being tested TP
Justice is docked with the specified interface in 10 NC interfaces, to build the connection line between tested TP and device.The USB_P connects
The other end of mouth and USB_N interface is separately connected inductance L1, is then connected respectively the second pin of usb circuit again
The D- interface of D+ interface and third pin；Circuit, which is able to achieve, by inductance L1 integrally has interference free performance.As shown, described
It is grounded after the 5th pin and the 6th pin of the 7th pin connectors and the 9th pin of usb circuit；The GND of its 4th pin
The GND interface connect and ground of interface and signal conversion circuit；The VBUS interface of its first pin and one end of power switch S1
Connection.The other end of power switch S1 respectively with the Vin interface of the voltage-stablizer AMS 1117-3.3v of voltage conversion circuit and refer to
Show one end connection of lamp LED1；Ground connection is connect with its GND interface again after the other end connection resistance R1 of the indicator light LED1；It can
The resistance value for selecting the resistance R1 is 1K.The Vin interface is also connect with one end of the second capacitor C2, second capacitor it is another
End connects its GND interface；The optional second capacitor C2 is 22uf.The Vout interface of the voltage conversion circuit respectively with signal
One end connection of the VDD3.3V interface and first capacitor C1 of conversion circuit；The VDD3.3V interface also with the first capacitor
One end of C1 connects；The other end of the capacitor C1 is separately connected the GND interface and voltage conversion circuit of signal conversion circuit
GND interface.
In a specific embodiment, device further includes shell；The signal conversion circuit, voltage conversion circuit, power supply
Switch and usb circuit are set in the shell；Shell is in the interface position, described of the correspondence signal conversion circuit
The position of the interface position of usb circuit, the position of indicator light LED1 and power switch offers corresponding opening respectively,
It is respectively used to connection signal butted line, the USB of computer and placement indicator light LED1.Optionally, the shell is body structure,
As shown in the figure.Optionally, there are three the indicator light LED1, the signal condition of prompt SDA, VCC and SCL is respectively corresponded.
Working principle:
It please refers to after Fig. 3 device is separately connected tested TP and computer, it can be total by general serial using the USB function of computer
The clock pulses of line directly guided on TP with data pulse do synchronize be used, drive centered on Wacom IC can be sent to realize
Dynamic signal is used as touch, to carry out touch-control test to tested TP.Meanwhile using the output voltage of USB function, pass through electricity
Voltage conversion circuit can do power supply according to the supply TP of TP desired 3.3V or 5V and be used.
PC in figure is computer；Touch Screen is touch screen；Dotted line frame corresponds to the touch panel test of the present embodiment
Attachment device；The Universal Serial Bus (signal) is usb signal；The Clock/Data is clock pulse signal
And data pulse signal, this communication link are used to above-mentioned signal being sent to touch screen using USB interface；For synchronizing；Institute
Wacom is stated as driving signal conversion, the I2C Clock/Data is the clock pulses and data pulses using IC bus
Driving signal to touch screen carries out touch-control test；The Power Drive be voltage output, for for touch screen provide 3.3v or
The supply voltage of 5.0v, with the realization for cooperating touch-control to test.
According to principles above, realize any one computer, can device through this embodiment, utilize the USB function of computer
TP touch function can be directly tested, to reduce the buying rate of rack (computer) and the spoilage of CPU；Also, the present embodiment
Device has versatility, can be compatible with multiple machines, thus practicability is high；Further, the carry out TP test of low cost is realized,
And the activity duration is short, testing efficiency is high.
In conclusion touch panel test connecting apparatus provided by the utility model, structure is simple, easy to operate, and big
The big versatility for reducing testing cost, improving testing efficiency and lifting device.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is also included in the patent protection scope of the utility model.
Claims (6)
1. touch panel test connecting apparatus, which is characterized in that including touch panel interface circuit, signal conversion circuit, voltage
Conversion circuit and usb circuit；The usb circuit is electric with the signal conversion circuit and voltage conversion respectively
Road connection；The touch panel interface circuit is connect with the signal conversion circuit and the voltage conversion circuit respectively.
2. touch panel test connecting apparatus as described in claim 1, which is characterized in that the signal conversion circuit includes
USB_P interface, USB_N interface, VDD interface, GND interface and at least four NC interface；
The USB_P interface, USB_N interface, VDD interface and GND interface are separately connected the usb circuit.
3. touch panel test connecting apparatus as claimed in claim 2, which is characterized in that described device further includes that power supply is opened
It closes；The voltage conversion circuit includes voltage-stablizer, first capacitor C1 and the second capacitor C2；
The VDD interface divides two-way, wherein connecting the Vout interface of the voltage-stablizer all the way, another way is sequentially connected described second
Capacitor C2 and the GND interface；
The GND interface be also respectively connected with the GND interface of the voltage-stablizer, wherein one end of first capacitor C1, power switch with
And the GND interface of the usb circuit；
The other end of the first capacitor C1 and one end of the power switch are separately connected the Vin interface of the voltage-stablizer；Institute
The other end for stating power switch is connect with the VBUS interface of the usb circuit.
4. touch panel test connecting apparatus as claimed in claim 3, which is characterized in that the voltage conversion circuit further includes
Indicator light LED1 and resistance R1；One end of the indicator light LED1 is separately connected the Vin interface and the power switch, another
End is sequentially connected the GND interface of resistance R1 and usb circuit.
5. touch panel test connecting apparatus as claimed in claim 4, which is characterized in that further include shell；The signal turns
Circuit, voltage conversion circuit, power switch and usb circuit is changed to be set in the shell；
The shell is in the interface position of the correspondence signal conversion circuit, the interface position of the usb circuit, indicator light
The position of LED1 and the position of power switch offer corresponding opening respectively.
6. touch panel test connecting apparatus as claimed in claim 2, which is characterized in that further include inductance L1；The inductance
One end of L1 is separately connected the USB_P interface and USB_N interface, and the other end connects the usb circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821588223.4U CN208999993U (en) | 2018-09-28 | 2018-09-28 | Touch panel test connecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821588223.4U CN208999993U (en) | 2018-09-28 | 2018-09-28 | Touch panel test connecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208999993U true CN208999993U (en) | 2019-06-18 |
Family
ID=66802087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821588223.4U Active CN208999993U (en) | 2018-09-28 | 2018-09-28 | Touch panel test connecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208999993U (en) |
-
2018
- 2018-09-28 CN CN201821588223.4U patent/CN208999993U/en active Active
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