CN109743567A - A kind of satellite set top box LNB signal testing tool fixture and test method - Google Patents
A kind of satellite set top box LNB signal testing tool fixture and test method Download PDFInfo
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- CN109743567A CN109743567A CN201811627314.9A CN201811627314A CN109743567A CN 109743567 A CN109743567 A CN 109743567A CN 201811627314 A CN201811627314 A CN 201811627314A CN 109743567 A CN109743567 A CN 109743567A
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- jig
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Abstract
A kind of satellite set top box LNB signal testing tool fixture and test method, it is characterized by comprising jig bases and jig cover board, the jig base is by bottom plate, front panel, the hollow box body for being used to arrange jig control related device and connecting line that two pieces of side panels and back plate are constituted, the jig cover board is placed in above jig base, and it is connect by cover board hinge with jig base, the cover board hinge is set to back plate and jig cover board junction, using the invention avoids the inefficient test processes modes for manually frequently plugging each ancillary equipment test connecting line test, and then it improves production test efficiency and saves production manpower.And the present invention is versatile, and it is easy to operate, it improves work efficiency, the versatility and adjustable and simple and practical due to designing of device is enhanced, so reduce maintenance cost.
Description
Technical field
The present invention relates to satellite set top box testing fields, and in particular to a kind of satellite set top box LNB signal testing tooling is controlled
Tool and test method.
Background technique
The function that different classes of product is realized according to product design in electronics product manufacturing industry is different, and is directed to set-top box
For manufacturing enterprise, when producing satellite set top box product, in order to test satellite set top box produced LNB 22K and
Whether Disqce function is normal, while in order to improve factory lines production test efficiency, so need one kind that can be convenient for work
The jig of factory's production line test.
When carrying out 22K the and Disqce function of satellite set top box LNB, generally require using multimeter to product to be measured
LNB output level and vertical voltage are tested one by one, and are switched respectively with Disqce switching switch using 22K with the use of survey
Whether normal try its function；This test processes mode has the following problems:
(1 not only needs the frequent changed test tool of tester, but also because the factor tested one by one so testing efficiency is low
Under；
(2 tester's operational motions are excessive and cumbersome, need several artificial when factory lines being caused to produce while testing behaviour
Make the efficiency requirements for being just able to satisfy batch production, wastes time and productive manpower cost is excessively high.
Summary of the invention
In view of the above problems, the present invention provides a kind of satellite set top box LNB signal testing tool fixture and test methods.
In order to solve the above technical problems, the technical solution of the present invention is as follows: providing a kind of satellite set top box LNB signal testing work
Fill jig, innovative point is: including jig base and jig cover board, jig base is by bottom plate, front panel, two pieces of side panels
The hollow box body for being used to arrange jig control related device and connecting line constituted with back plate, jig cover board are placed in jig base
Side, and connect by cover board hinge with jig base, cover board hinge is set to back plate and jig cover board junction.
Further, voltage shows Table V 1 and V2 and 4 LED indication there are two setting on the front panel of jig base
Lamp.
Further, working power input interface and LNB signal input interface are equipped in the back plate of jig base.
Further, handle slot is respectively symmetrically equipped on two pieces of side panels of jig base, and in two pieces of side panels and
The junction of jig cover board is also symmetrically arranged with lock.
Further, the specific structure of lock is sliding rail form: including the first track, the second track and movable sheath, first
Track is fixed on jig cover board lower edge, and the second track is fixed on jig base upper edge, and the first track and the second track are
It is equipped with an opening above section, the section of movable sheath is U-shape, and movable sheath both ends are respectively and fixedly provided with width less than the first track or the
The slide plate of the width of two tracks, movable sheath both ends are inserted into from one end of the first track and the second track respectively and are slided to the other end
Dynamic, slide plate width is greater than the opening on first track or the second track.
Further, the specific structure of lock be shackles: including the first fixed plate, the second fixed plate, connector and
Connection ring, the first fixed plate are fixed on jig cover board lower edge, and the second fixed plate is fixed on jig base upper edge, and first is fixed
Plate extends downwardly out a connection piece, and connector lower end tilts to form connecting hook to perpendicular to connector direction, connection ring both ends with
Second fixed plate two sides are hinged, and connection ring, which is rotated up to be stuck in connecting hook, forms lock.
Further, specific wiring construction are as follows: LNB signal input interface separates two connectors and is separately connected 22K switch
The pin 5 of pin 3 and Disqce switch；The pin 1 and pin 2 of 22K switch are separately connected one end of resistance R1 and R2, resistance
The other end of R1 and R2 is grounded；The pin 1 of Disqce switch connects the one end resistance R3, and the resistance R3 other end connects LED light A
One end, the LED light A other end ground connection；The pin 2 of Disqce switch connects the one end resistance R4, the connection of the resistance R4 other end
One end of LED light B, LED light B other end ground connection；The pin 3 of Disqce switch connects the one end resistance R5, resistance R5
The other end connects one end of LED light C, LED light C other end ground connection；The pin 4 of Disqce switch connects resistance R6 mono-
End, the resistance R6 other end connect one end of LED light D, LED light D other end ground connection.
Further, resistance used in connection line is cement resistor.
Further, 22K switch, Disqce switch, resistance R1 and R2's and LED light A, B, C, D's ground connection into
Row designs connection processing altogether.
The present invention also provides a kind of satellite set top box LNB signal testing method, innovative point is: specific testing procedure
It is as follows:
(1) tuner LNB IN interface is connect with the LNB signal input interface in LNB special test tool fixture；
(2) LNB voltage is tested, is pressed and is pressed ' OK ' key after remote controler moves the cursor to " OLNBO " and tested；
A. it checks the 22K function of voltage display table: checking whether is voltage value on voltage display table after selection 22K TEST project
Between 17V-19V, at the same observe voltage display table show voltage moment jumped to by the side of voltage display table it is another
Side, then it represents that machine 22K switching function is normal, and ' OK ' confirmation is pressed after confirmation is normal；
B. it then checks the H-V voltage of voltage display table gauge outfit, checks that jig " horizontal voltage " is aobvious after selecting H-V/TEST project
Show that " vertical voltage " range is 12V-14V whether by instantaneous abrupt change between 17V-19V to " vertical voltage " range, if it is
It then indicates that the H/V voltage tester of machine is normal, ' OK ' confirmation is pressed after confirmation is normal；
C. DISEQC A-B TEST project is selected, checks whether LED light is jumped by A lamp to B lamp and changes or whether by C
Lamp, which is jumped to D lamp, to be changed, and if it is indicates that machine DISEQC function is normal, and OK ' confirmation is pressed after confirmation is normal, then exports electricity
Pressure is closed, and jig shows that voltage is zero, and test is completed.
Beneficial effects of the present invention:
(1) a kind of satellite set top box LNB signal testing tool fixture of the invention is exported using by satellite to be measured set-top box LNB
22K control signal, Disqce control signal and the test of vertical and horizontal voltage output concentrate in a jig and carry out one
Pacing examination is completed；The client set top box output control ON of 22K and being detectd in different digital voltage display table for OFF signal
It surveys and determines；And the Disqce control signal of client set top box output can carry out detecting judgement by the variation of LED light；
The vertical and horizontal voltage output of client to be measured then can directly be detected by digital voltage display table and be checked.It just realizes in this way
" three-in-one " synchronism detection of client LNB function to be measured avoids and manually frequently plugs each ancillary equipment test connecting line
The inefficient test processes mode of test, and then improve production test efficiency and save production manpower.
(2) this kind of satellite set top box LNB signal testing tool fixture invented in fact, it is versatile, it is easy to operate, it improves
Working efficiency enhances the versatility and adjustable and simple and practical due to designing of device, so reduce maintenance cost.
Detailed description of the invention
It, below will be to needed in the embodiment in order to more clearly illustrate the technical solution in the embodiment of the present invention
Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments recorded in the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.It is a kind of main view of satellite set top box LNB signal testing tool fixture that Fig. 1, which is of the invention,.
Fig. 2 is the rearview of Fig. 1.
The lock that Fig. 3 is Fig. 1 is the side view of sliding rail form.
The side view that the sliding rail form that Fig. 4 is Fig. 3 latches.
The lock that Fig. 5 is Fig. 1 is the side view of shackles.
The enlarged drawing that the shackles that Fig. 6 is Fig. 5 latch.
Fig. 7 is the internal component wiring diagram of Fig. 1.
Specific embodiment
Technical solution of the present invention will be clearly and completely described by specific embodiment below.
A kind of satellite set top box LNB signal testing tool fixture of the invention comprising jig base 1 and jig cover board 2,
Jig base 1 be made of bottom plate 3,4, two pieces of side panels 5 of front panel and back plate 6 for arrange jig control related device and
The hollow box body of connecting line, jig cover board 2 are placed in 1 top of jig base, and, lid hinged by cover board hinge 7 and jig base 1
Plate hinge 7 is set to 2 junction of back plate 6 and jig cover board, opens jig base 1 when can facilitate installation connection fixture route, also side
Just jig trouble shooting and maintenance.
The present invention is set on the front panel 4 of jig base 1 there are two voltage display table 8 and 4 LED lights 9, specifically
Structure as shown in Figure 1, two voltage display tables 8 can be separately connected the pin 1 and pin 2 of 22K switch, distinguish by pin 1 and pin 2
Indicate " OFF " and " ON " of 22K switch, it is whether normal come " OFF " and " ON " signal for judging 22K switch with this；4 LED
Indicator light 9, which acts on, to be to realize detecting satellite set top box LNB output control by the display variation of each LED light 9
Whether Disqce switching signal is normal.
The present invention is equipped with working power input interface 10 and LNB signal input interface 11 in the back plate 6 of jig base 1,
Specific structure is as shown in Fig. 2, working power input interface 10 can connect the working power of tool fixture voltage display table 8 from this
Enter, provides power supply for jig, LNB signal input interface 11 makes the LNB signal of satellite set top box be transmitted to jig to test.
The present invention is respectively symmetrically equipped with handle slot 12 on two pieces of side panels 5 of jig base 1, is moved easily of the invention
Test fixture, and it is also symmetrically arranged with lock in the junction of two pieces of side panels 5 and jig cover board 2, it can be controlled in order to open tooling
Have and tool fixture internal wiring is installed and is safeguarded, is additionally provided on the bottom plate 3 of jig base 1 and is used to support jig base 1
Foot pad 14.
The specific structure of lock is divided into two kinds: sliding rail form and shackles.The specific structure of sliding rail form lock 13 is such as
Shown in Fig. 3 and 4: including the first track 15, the second track 16 and movable sheath 17, it is following that the first track 15 is fixed on jig cover board 2
Edge, the second track 16 are fixed on 1 upper edge of jig base, and the first track 15 and the second track 16 are to be equipped with one above section to open
The section of mouth 18, movable sheath 17 is U-shape, and movable 17 both ends of sheath are respectively and fixedly provided with width less than the first track 15 or the second track 16
Width slide plate 19, movable 17 both ends of sheath are inserted into from one end of the first track 15 and the second track 16 and sliding to the other end respectively
Dynamic, 19 width of slide plate is greater than the opening 18 on the first track 15 or the second track 16, which uses aluminum alloy material, surface light
It is sliding, it is colour-fast, and sliding property is good.
The specific structure of shackles lock 25 is as illustrated in Figures 5 and 6: including the first fixed plate 20, the second fixed plate 21, connecting
Fitting 22 and connection ring 23, the first fixed plate 20 are fixed on 2 lower edge of jig cover board, and the second fixed plate 21 is fixed on jig base
1 upper edge, the first fixed plate 20 extend downwardly out a connection piece 22, and 22 lower end of connector is tilted to perpendicular to 22 direction of connector
Connecting hook 24 is formed, 23 both ends of connection ring and 21 two sides of the second fixed plate are hinged, and connection ring 23, which is rotated up, is stuck in connecting hook
Lock is formed on 24.
Specific wiring knot inside a kind of jig base 1 of satellite set top box LNB signal testing tool fixture of the invention
Structure is as shown in Figure 7: LNB signal input interface separate two connectors be separately connected 22K switch pin 3 and Disqce switch
Pin 5；The pin 1 and pin 2 of 22K switch are separately connected one end of resistance R1 and R2, the other end ground connection of resistance R1 and R2；Draw
Foot 1 and pin 2 respectively indicate " OFF " and " ON " of 22K switch, and voltage shows that 1 both ends of Table V connect the both ends resistance R1, and voltage is aobvious
Show that 2 both ends of Table V connect the both ends resistance R2, shows that Table V 1, V2 detect the voltage output value of resistance R1, R2 respectively by two voltages
Come judge 22K switch " OFF " and " ON " signal it is whether normal, and by voltage display table can directly detect check it is to be measured
The vertical and horizontal voltage output of client；The pin 1 of Disqce switch connects the one end resistance R3, the connection of the resistance R3 other end
One end of LED light A, LED light A other end ground connection；The pin 2 of Disqce switch connects the one end resistance R4, resistance R4
The other end connects one end of LED light B, LED light B other end ground connection；The pin 3 of Disqce switch connects resistance R5 mono-
End, the resistance R5 other end connect one end of LED light C, LED light C other end ground connection；The pin 4 of Disqce switch connects
The one end connecting resistance R6, the resistance R6 other end connect one end of LED light D, LED light D other end ground connection.Pass through 4 LED
The display of indicator light changes and realizes whether detecting satellite set top box LNB output control Disqce switching signal is normal.22K is opened
Close, Disqce switch, resistance R1 and R2's and LED light A, B, C, D's ground connection carry out designing connection processing altogether, this
Invention resistance used is cement resistor.
The present invention is based on a kind of tool fixtures for testing satellite set top box LNB signal to additionally provide a kind of satellite set top box
LNB signal testing method, specific testing procedure are as follows:
(1) connection is completed by wiring construction as shown in Figure 4, by tuner LNB IN interface and LNB special test tooling
LNB signal input interface 11 on jig connects；
(2) LNB voltage is tested, is pressed and is pressed ' OK ' key after remote control moves the cursor to " OLNBO " and tested；
A. it checks the 22K function of voltage display table 8: checking that the voltage value on voltage display table 8 is after selection 22K TEST project
It is no between 17V-19V, while observe voltage display table 8 show voltage moment jumped to separately by the side of voltage display table 8
Side, then it represents that machine 22K switching function is normal, and ' OK ' confirmation is pressed after confirmation is normal；
B. it then checks the H-V voltage of 8 gauge outfit of voltage display table, checks that jig " horizontal voltage " is aobvious after selecting H-V/TEST project
Show that " vertical voltage " range is 12V-14V whether by instantaneous abrupt change between 17V-19V to " vertical voltage " range, if it is
It then indicates that the H/V voltage tester of machine is normal, ' OK ' confirmation is pressed after confirmation is normal；
C. DISEQC A-B TEST project is selected, checks whether LED light 9 is jumped by A lamp to B lamp and changes or whether by C
Lamp, which is jumped to D lamp, to be changed, and if it is indicates that machine DISEQC function is normal, and OK ' confirmation is pressed after confirmation is normal, then exports electricity
Pressure is closed, and jig shows that voltage is zero, and test is completed.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to design of the invention and model
It encloses and is defined, without departing from the design concept of the invention, ordinary engineering and technical personnel is to of the invention in this field
The all variations and modifications that technical solution is made should all fall into protection scope of the present invention, in claimed technology of the invention
Hold, is all documented in technical requirements book.
Claims (10)
1. a kind of satellite set top box LNB signal testing tool fixture, it is characterised in that: including jig base and jig cover board, institute
Stating jig base is to be made of bottom plate, front panel, two pieces of side panels and back plate for arranging jig control related device and company
The hollow box body of wiring, the jig cover board are placed in above jig base, and are connect by cover board hinge with jig base, described
Cover board hinge is set to back plate and jig cover board junction.
2. a kind of satellite set top box LNB signal testing tool fixture according to claim 1, it is characterised in that: described
Voltage shows Table V 1 and V2 and 4 LED light there are two setting on the front panel of jig base.
3. a kind of satellite set top box LNB signal testing tool fixture according to claim 1, it is characterised in that: described
The back plate of jig base is equipped with working power input interface and LNB signal input interface.
4. a kind of satellite set top box LNB signal testing tool fixture according to claim 1, it is characterised in that: described
Handle slot is respectively symmetrically equipped on two pieces of side panels of jig base, and also right in the junction of two pieces of side panels and jig cover board
Claim to be equipped with lock.
5. a kind of satellite set top box LNB signal testing tool fixture according to claim 4, it is characterised in that: the lock
The specific structure of button is sliding rail form: being fixed on jig lid including the first track, the second track and movable sheath, first track
Plate lower edge, second track are fixed on jig base upper edge, and first track and the second track are above section
Equipped with an opening, the section of the activity sheath is U-shape, and the activity sheath both ends are respectively and fixedly provided with width less than the first track or the
The slide plate of the width of two tracks, the activity sheath both ends are inserted into from one end of the first track and the second track respectively and to the other ends
Sliding, the slide plate width are greater than the opening on first track or the second track.
6. a kind of satellite set top box LNB signal testing tool fixture according to claim 4, it is characterised in that: the lock
The specific structure of button is shackles: including the first fixed plate, the second fixed plate, connector and connection ring, described first is fixed
Plate is fixed on jig cover board lower edge, and second fixed plate is fixed on jig base upper edge, and first fixed plate is downward
Extend a connection piece, the connector lower end tilts to form connecting hook to perpendicular to connector direction, the connection ring both ends
Hinged with the second fixed plate two sides, the connection ring, which is rotated up to be stuck in connecting hook, forms lock.
7. a kind of satellite set top box LNB signal testing tool fixture according to claim 1, it is characterised in that: specifically connect
Cable architecture are as follows: LNB signal input interface separates two connectors and is separately connected the pin 3 of 22K switch and the pin of Disqce switch
5；The pin 1 and pin 2 of the 22K switch are separately connected one end of resistance R1 and R2, the other end ground connection of resistance R1 and R2；
The pin 1 of Disqce switch connects the one end resistance R3, and the resistance R3 other end connects one end of LED light A, and LED light A is another
One end ground connection；The pin 2 of Disqce switch connects the one end resistance R4, and the resistance R4 other end connects one end of LED light B, LED
Indicator light B other end ground connection；The pin 3 of Disqce switch connects the one end resistance R5, and the resistance R5 other end connects LED light C
One end, the LED light C other end ground connection；The pin 4 of Disqce switch connects the one end resistance R6, the connection of the resistance R6 other end
One end of LED light D, LED light D other end ground connection.
8. a kind of satellite set top box LNB signal testing tool fixture according to claim 6, it is characterised in that: the company
Resistance used in link is cement resistor.
9. a kind of satellite set top box LNB signal testing tool fixture according to claim 6, it is characterised in that: 22K is opened
It closes, Disqce switch, resistance R1 and R2's and LED light A, B, C, D's ground connection carry out designing connection processing altogether.
10. a kind of satellite set top box LNB signal testing method, it is characterised in that: specific testing procedure is as follows:
(1) tuner LNB IN interface is connect with the LNB signal input interface in LNB special test tool fixture；
(2) LNB voltage is tested, is pressed and is pressed ' OK ' key after remote controler moves the cursor to " OLNBO " and tested；
A. it checks the 22K function of voltage display table: checking whether is voltage value on voltage display table after selection 22K TEST project
Between 17V-19V, at the same observe voltage display table show voltage moment jumped to by the side of voltage display table it is another
Side, then it represents that machine 22K switching function is normal, and ' OK ' confirmation is pressed after confirmation is normal；
B. it then checks the H-V voltage of voltage display table gauge outfit, checks that jig " horizontal voltage " is aobvious after selecting H-V/TEST project
Show that " vertical voltage " range is 12V-14V whether by instantaneous abrupt change between 17V-19V to " vertical voltage " range, if it is
It then indicates that the H/V voltage tester of machine is normal, " OK " confirmation is pressed after confirmation is normal；
C. DISEQC A-B TEST project is selected, checks whether LED light is jumped by A lamp to B lamp and changes or whether by C
Lamp, which is jumped to D lamp, to be changed, and if it is indicates that machine DISEQC function is normal, and " OK " confirmation is pressed after confirmation is normal, then is exported
Voltage is closed, and jig shows that voltage is zero, and test is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627314.9A CN109743567A (en) | 2018-12-28 | 2018-12-28 | A kind of satellite set top box LNB signal testing tool fixture and test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627314.9A CN109743567A (en) | 2018-12-28 | 2018-12-28 | A kind of satellite set top box LNB signal testing tool fixture and test method |
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| CN109743567A true CN109743567A (en) | 2019-05-10 |
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| CN201811627314.9A Pending CN109743567A (en) | 2018-12-28 | 2018-12-28 | A kind of satellite set top box LNB signal testing tool fixture and test method |
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| CN112730912A (en) * | 2020-12-29 | 2021-04-30 | 重庆盟讯电子科技有限公司 | FCT desktop test platform |
| CN114740335A (en) * | 2022-04-27 | 2022-07-12 | 珠海市精实测控技术有限公司 | Automatic PCB testing arrangement |
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Application publication date: 20190510 |