CN103604711A - Device for testing rotary joint of satellite antenna for ship - Google Patents
Device for testing rotary joint of satellite antenna for ship Download PDFInfo
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- CN103604711A CN103604711A CN201310574790.XA CN201310574790A CN103604711A CN 103604711 A CN103604711 A CN 103604711A CN 201310574790 A CN201310574790 A CN 201310574790A CN 103604711 A CN103604711 A CN 103604711A
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Abstract
The invention provides a device for testing a rotary joint of a satellite antenna for a ship, which belongs to the technical field of satellite antennas, and solves the problem that a rotary joint suitable for a satellite antenna standard for the ship is difficulty screened in a conventional mode. The device for testing the rotary joint of the satellite antenna for the ship comprises a bottom plate, a first supporting plate and a second supporting plate, wherein a gear disc and a driving mechanism are arranged on the first supporting plate; a counting detection unit is arranged between the gear disc and the second supporting plate; the device also comprises an analog circuit; a detection indicating circuit is arranged on the analog circuit; the counting detection unit and the detection indicating circuit are connected with a master controller; a display is connected to the master controller. According to the device for testing the rotary joint of the satellite antenna for the ship, the rub proofness of the rotary joint can be rapidly tested in an operating environment of simulating a real rotary joint, so that the qualified production batches are rapidly selected.
Description
Technical field
The invention belongs to satellite antenna technical field peculiar to vessel, relate to the proving installation of the swivel adapter head on a kind of satellite antenna peculiar to vessel, particularly relate to a kind of device of fastness to rubbing test
Background technology
In satellite antenna, swivel adapter head is a key feeder line device.Especially radar is when the locus of search target, tracking target, measurement target, its antenna must rotate at any time, swivel adapter head transmits microwave signal while being exactly antenna rotation, according to the spatial rotation effect of swivel adapter head, can be divided into pitching swivel adapter head, azimuth rotating joint and roll swivel adapter head.
As shown in Figure 1, common swivel adapter head comprises male and female, after male is plugged in female, can in female, rotate, and in male and female, is equipped with conductor, and after male is connected with female, two parts conductor is communicated with.Its rub proofness of the swivel adapter head connecting by this rotation mode is directly relevant to serviceable life.If formed wearing clearance between male and female, just there will be the situation of loose contact and then cause intermittence to open circuit, even complete and open circuit.
And the satellite antenna using on the boats and ships satellite antenna more fixing than land can rotate more frequently, in this situation, the swivel adapter head that pick out which batch in batch production is not suitable for the standard of satellite antenna peculiar to vessel, and this is very difficult.One does not have checkout equipment, just rely on the processing dimension of each minute part whether qualified, the 2nd, existing testing standard is that to take the fixing satellite antenna in land be criterion of acceptability, filters out that to be applicable to the swivel adapter head of satellite antenna standard peculiar to vessel just more difficult in existing detection mode.
Summary of the invention
The present invention is directed to existing technology and have the problems referred to above, a kind of proving installation of satellite antenna rotary joint peculiar to vessel has been proposed, the proving installation of this satellite antenna rotary joint peculiar to vessel can be tested rapidly the rub proofness of swivel adapter head under the working environment of swivel adapter head that is virtually reality like reality, thereby picks out rapidly qualified production batch.
The present invention realizes by following technical proposal: a kind of proving installation of satellite antenna rotary joint peculiar to vessel, comprise base plate, be fixed on the first back up pad and the second back up pad on base plate, in the first back up pad, be provided with the driving mechanism that toothed disc and drive gear disk are rotated, on toothed disc, be provided with for the fixing male socket of swivel adapter head male, in the second back up pad, be provided with for the fixing female socket of swivel adapter head female, between toothed disc and the second back up pad, be provided with the count detection unit that detects swivel adapter head number of revolutions, on base plate, be also provided with master controller and to master controller, the power supply unit of count detection unit and driving mechanism power supply, this device also comprises the mimic channel under "on" position in the time of can simulating swivel adapter head work, on mimic channel, be provided with to be connected with and detect the detection indicating circuit whether swivel adapter head works and show swivel adapter head cisco unity malfunction, above-mentioned count detection unit, detecting indicating circuit is all connected with master controller, on master controller, be also connected with the display that shows count results.
This pick-up unit is for detection of the rub proofness of certain batch of sampling sample of swivel adapter head.This device can bear by detecting swivel adapter head the rub proofness that maximum number of revolutions judges swivel adapter head, and then judges that in maximum number of revolutions, being greater than standard value is qualified product.After swivel adapter head is installed in this device, and by mimic channel, simulate the normal operating conditions of swivel adapter head, male and female by the rotation of driving mechanism driven gear dish and then driven rotary joint relatively rotate, number of revolutions by count detection unit inspection swivel adapter head, when swivel adapter head wearing and tearing can not normally contact, detect indicating circuit and show to represent cisco unity malfunction, and sample by detecting indicating circuit, the number of revolutions of the bad contact of master controller record when sampling value is setting value (low level), and driving mechanism continues the rotation of driven gear dish, count detection unit continues counting, until the sampling value that detects indicating circuit is permanent while being setting value within the time of one section of setting, the power-off of main controller controls feed circuit.
In the proving installation of above-mentioned satellite antenna rotary joint peculiar to vessel, described mimic channel comprises cement resistor, in male, there is male signal wire and male ground wire, in female, there is female signal wire and female ground wire, described cement resistor one end is connected with power supply unit, and the other end is connected with female signal wire, and female is ground wire grounded, described male with in female, be equipped with inner wire and be connected with outer conductor and correspondence, described male signal wire and male ground wire short circuit.By foregoing circuit, simulate the duty of swivel adapter head, and then accurately the rub proofness of swivel adapter head is surveyed in car test.
In the proving installation of above-mentioned satellite antenna rotary joint peculiar to vessel; described detection indicating circuit comprises protective resistance R1 and LED light; one end of protective resistance R1 is connected with female signal wire and names this end is test side; the other end is earth terminal; the earth terminal of the anodic bonding protective resistance R1 of described LED light; the negative electrode of LED light connects female ground wire, and described test side is connected with master controller.Swivel adapter head is because of after occurring that wearing and tearing are opened circuit, the voltage drop of the test side of protective resistance R1, and the magnitude of voltage by this decline judges that whether swivel adapter head is normal.After swivel adapter head wearing and tearing, thereby flowing through LED light, electric current lights LED light, can facilitate like this testing staff directly to observe and judgement.Voltage when protective resistance R1 reduces LED light energising greatly, thus prevent that LED light from, because electric current causes and punctures more greatly, having improved stability.
In the proving installation of above-mentioned satellite antenna rotary joint peculiar to vessel, described count detection unit comprises the Hall element being fixed in the second back up pad and is fixed on the permanent magnet on toothed disc, described Hall element is connected with master controller and is arranged in the circular path of permanent magnet process, the described master controller sampling rotating cycle that cumulative Hall element is carried successively, and cumulative result is presented in above-mentioned display.
In the proving installation of above-mentioned satellite antenna rotary joint peculiar to vessel, described master controller is preserved cumulative sampling rotating cycle with EEPROM, rotating cycle is the cumulative EEPROM that deposits for 256 times a time often, and when master controller receives described detection indicating circuit and is low level the number of times of cumulative swivel adapter head loose contact flow to above-mentioned display and show successively.The bright state of LED light is that described detection indicating circuit is high level state.Can record in this way total rotating cycle and also can record the number of times of swivel adapter head loose contact, facilitate testing staff to carry out data statistics.Next uses EEPROM can guarantee keeping records when off-position, and often cumulative depositing for 256 times once makes the use of EEPROM be unlikely to too frequent.
In the proving installation of above-mentioned satellite antenna rotary joint peculiar to vessel, described driving mechanism comprises direct current generator, is connected to Timing Belt between direct current generator and toothed disc, the rotating shaft of described direct current generator is provided with driven wheel, described toothed disc is provided with the driven tooth that the number of teeth is greater than the driven wheel number of teeth, and described Timing Belt is enclosed within driven wheel and driven tooth.
Except the driving mechanism of above-mentioned this structure, as two gears of direct employing mesh transfer motion power or belt gear etc. to be all fine.
In the proving installation of above-mentioned satellite antenna rotary joint peculiar to vessel, the center of described toothed disc is provided with the bulge loop that axial line overlaps with toothed disc axial line, described bulge loop inner chamber is fixed with a male locating piece, and the center of described male locating piece is the form fit of male socket and this male socket and described male outer peripheral face.According to the male of different model, can select the male locating piece matching, by this structure, can make this device be applicable to the swivel adapter head of Multiple Type or even the swivel adapter head of other purposes.
In the proving installation of above-mentioned satellite antenna rotary joint peculiar to vessel, the second described back up pad be positioned at toothed disc center over against position on offer and can allow female be positioned at through hole wherein, at through hole, be embedded in and be fixed with female locating piece, the center of female locating piece is the form fit of female socket and this female socket and described female outer peripheral face.
In the proving installation of above-mentioned satellite antenna rotary joint peculiar to vessel, described power supply unit comprises the straight rectification filtering module of civil power load module, transformer and alternation, the input end of transformer connects civil power load module, the output terminal of transformer connects rectification filtering module, and rectification filtering module is exported respectively the DC voltage module of supplying with driving mechanism, master controller and mimic channel.
Compared with prior art, the present invention has advantages of following:
1, designed a kind of pick-up unit of satellite antenna rotary joint peculiar to vessel, by this pick-up unit, can greatly accelerate the efficiency of the rub proofness check of certain batch of sampling sample, comparing object test needs several years to compare, this device only needs several days time just can complete, and this pick-up unit is more targeted and more accurate with respect to traditional simple energising detection and size detection.
2, in this pick-up unit, adopted mimic channel to simulate the working environment of swivel adapter head, wherein adopted especially this resistance of cement resistor, can accurately simulate thermal environment and the energising environment of swivel adapter head, accuracy improves more.
3, this pick-up unit adopts the mimic channel of designed, designed to coordinate again and detects indicating circuit and count detection circuit, the bad number of times the contacting when maximum abrasive resistance that can simultaneously record swivel adapter head when normal operation occurs wearing and tearing with swivel adapter head, for the data analysis in testing staff's later stage provides more reference.
4, this pick-up unit, on not impact of unexpected power-off, can be proceeded after Power resumption to detect, also without manual detection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation while removing the second back up pad and plate two of the present invention.
Fig. 3 is the structure for amplifying schematic diagram of A part in Fig. 2.
Fig. 4 is circuit principle structure schematic diagram of the present invention.
In figure, 1, base plate; 2, the first back up pad; 21, plate one; 22, plate two; 23, fixed head; 24, dust excluding plate; 3, the second back up pad; 31, through hole; 4, toothed disc; 41, driven tooth; 42, bulge loop; 43, male locating piece; 5, direct current generator; 6, Timing Belt; 71, LED light; 72, female signal wire; 73, test side; 74, earth terminal; 75, female ground wire; Cement resistor R2; Protective resistance R1; 76, male signal wire; 77, male ground wire; 8, master controller; 9, Hall element; 10, display; 11, power supply unit.
Embodiment
Be below specific embodiments of the invention, and by reference to the accompanying drawings technical scheme of the present invention be further described, but the present invention is not limited to these embodiment.
As shown in Figure 1, the proving installation of this satellite antenna rotary joint peculiar to vessel, comprise base plate 1, be fixed on the first back up pad 2 and the second back up pad 3 on base plate 1, also comprise the structure of fixing swivel adapter head, drive driving mechanism that swivel adapter head rotates, power supply unit 11, count detection unit etc., for realizing the rub proofness of testing rapidly swivel adapter head under the working environment of swivel adapter head that is virtually reality like reality, thereby pick out rapidly qualified production batch.
Specifically, as depicted in figs. 1 and 2, two blocks of plates that be arranged in parallel 1 and plate 2 22, a fixed head 23 is set plate 2 22 is outer, plate one 21 plywood 2 22 have formed the first back up pad 2, outside plate 1, be provided with the second back up pad 3, fixed head 23, plate 1, plate 2 22 and the second back up pad 3 are fixed by four thru-bolts.In the first back up pad 2, be provided with the driving mechanism that toothed disc 4 and drive gear disk 4 are rotated, driving mechanism is arranged between plate 1 and plate 2 22.At the dust excluding plate 24 being provided with above driving mechanism between plate 1 and plate 2 22.
As Fig. 2, driving mechanism comprises direct current generator, is connected to Timing Belt 6 between direct current generator 5 and toothed disc 4, direct current generator 5 is erected on the first back up pad 2 and fixed head 23, this structure can guarantee direct current generator 5 fixations, the rotating shaft of direct current generator 5 is provided with driven wheel, on toothed disc 4, have the driven tooth 41 that the number of teeth is greater than the driven wheel number of teeth, Timing Belt 6 is enclosed within driven wheel and driven tooth 41.Direct current generator 5 can carry out adjusting rotary speed according to input voltage, and the supply voltage of this device rotary module is 12V～24V, the range of speeds that draws thus toothed disc 4 be 310 circles/minute～700 circle/minute.This digital scope can accurately detect the wearing quality that obtains swivel adapter head.Actual wear is that swivel adapter head is subject to corresponding moment of torsion according to speed speed, and then produces the different rates of wear because moment of torsion is different.If excessive velocities can cause the rate of wear slack-off and can not real simulation actual conditions, speed is crossed slowly can affect efficiency.The range of speeds of toothed disc 4 be 310 circles/minute～700 circles/minute be best scope, wherein 500 circles/minute can be used as the first selection.
Except the driving mechanism 4 of above-mentioned this structure, as two gears of direct employing mesh transfer motion power or belt gear etc. to be all fine.
As Fig. 3, on toothed disc 4, be provided with for the fixing male socket of swivel adapter head male, in the second back up pad 3, be provided with for the fixing female socket of swivel adapter head female, be specially: the center of toothed disc 4 is provided with the bulge loop 42 that axial line overlaps with toothed disc 4 axial lines, bulge loop 42 inner chambers are fixed with a male locating piece 43, and male locating piece 43 center is the form fit of male socket and this male socket and male a1 outer peripheral face.The second back up pad 3 be positioned at toothed disc 4 centers over against position on offer and can allow female a2 be positioned at through hole 31 wherein, at through hole 31, be embedded in and be fixed with female locating piece, the center of female locating piece is the form fit of female socket and this female socket and described female outer peripheral face.Like this, according to the swivel adapter head of different model, can select the male locating piece 43 and the female locating piece that match, make this device be applicable to the swivel adapter head of Multiple Type or even the swivel adapter head of other purposes.
As shown in Figure 4, for the rub proofness of swivel adapter head is surveyed in accurate car test, this device also comprises the mimic channel under "on" position in the time of can simulating swivel adapter head work, mimic channel comprises cement resistor R2, in male, there is male signal wire 76 and male ground wire 77, in female, there is female signal wire 72 and female ground wire 75, cement resistor R2 one end is output as this road of 3.3v with power supply unit 11 and is connected, the other end is connected with female signal wire 72, female ground wire 75 ground connection, male with in female, be equipped with inner wire and be connected with outer conductor and correspondence, male signal wire 76 and male ground wire 77 short circuits.
Between toothed disc 4 and the second back up pad 3, be provided with the count detection unit that detects swivel adapter head number of revolutions, count detection unit comprises the Hall element 9 being fixed in the second back up pad 3 and is fixed on the permanent magnet on toothed disc 4, Hall element 9 is connected with master controller 8 and is arranged in the circular path of permanent magnet process, the master controller 8 sampling rotating cycle that cumulative Hall element 9 is carried successively, and cumulative result is presented in above-mentioned display.Hall element 9 can produce low and high level according to changes of magnetic field, therefore toothed disc 4 often turns around, Hall element 9 induction Primary fields change, thereby produce a low and high level, change, the number of turns that toothed disc rotates draws according to this, and then draws the number of revolutions of swivel adapter head.
On mimic channel, be provided with to be connected with and detect the detection indicating circuit whether swivel adapter head works and show swivel adapter head cisco unity malfunction; detect indicating circuit and comprise protective resistance R1 and LED light 71; can adopt single red light emitting diodes; one end of protective resistance R1 is connected with female signal wire 72 and names this end is test side 73; the other end is earth terminal 74; the earth terminal 74 of the anodic bonding protective resistance R1 of LED light 71; the negative electrode of LED light 71 connects female ground wire 75, and test side 73 is connected with master controller 8.Swivel adapter head is because of after wearing and tearing open circuit, protective resistance R1 and LED light 71Zhe road conducting, and the voltage drop of the test side 73 of protective resistance R1, the magnitude of voltage by this decline judges that whether swivel adapter head is normal.Thereby electric current flows through LED light 71 lights LED light 71, can facilitate like this testing staff directly to observe and judgement.Voltage when protective resistance R1 reduces LED light 71 energising greatly, thus prevent that LED light 71 from, because electric current causes and punctures more greatly, having improved stability.
Count detection unit, detection indicating circuit are all connected with master controller 8, are also connected with the display 10 that shows count results on master controller 8.On base plate 1, be also provided with master controller 8 and the power supply unit 11 to master controller 8, counting unit and driving mechanism 4 power supplies, power supply unit 11 comprises the straight rectification filtering module of civil power load module, transformer and alternation, the input end of transformer connects civil power load module, the output terminal of transformer connects rectification filtering module, rectification filtering module connects direct current input end 101, and direct current input end 101 is supplied with driving mechanism 4, master controller 8 and mimic channel by the rear output respectively of switch 102.Civil power is that 220V50Hz ，Yi road is 12V～24V voltage module, connects potentiometer be connected to direct current generator 5 by wire 103, can regulate the rotating speed of direct current generator 5 by potential regulator; One tunnel is 3.3V voltage module, by wire 104, is used for powering to master controller 8, the power supply of detection indicating circuit and mimic channel; Also having a road is 5V voltage module, connects display be used for to display 10 power supplies by wire 105, and in this example, display 10 is LCD display 10.
It is the single-chip microcomputer of ATmega64 that master controller 8 is selected model, in this single-chip microcomputer, there is EEPROM storage chip, with EEPROM, preserve cumulative sampling rotating cycle, rotating cycle is the cumulative EEPROM that deposits for 256 times a time often, and when master controller 8 receives described detection indicating circuit and is low level the number of times of cumulative swivel adapter head loose contact flow to above-mentioned display 10 and show successively.The bright state of LED light 71 is that described detection indicating circuit is high level state, is low level when not luminous.Can record in this way total rotating cycle and also can record the number of times of swivel adapter head loose contact, facilitate testing staff to carry out data statistics.Next uses EEPROM can guarantee keeping records when off-position, and often cumulative depositing for 256 times once makes the use of EEPROM be unlikely to too frequent.The cumulative maximal value of the number of turns is 99999999, surpasses this value and restarts counting.For fast the zero clearing number of turns and number of times, this device has added zero clearing button and reset key, does not put, then switch on power when pinning zero clearing button, and the number of turns and number of times will zero clearings, if after switching on power again button be invalid.Reset key can reset, and is connected with master controller.
Whether the course of work of this device is as follows: after master controller initialization, detect reset button and press, if just do not press, read the number of turns cumulative in EEPROM and the bad number of times contacting, and show by LCD display, detect again afterwards Hall element 9 and whether have changes of magnetic field, if changed, the number of turns adds 1, judge whether the number of turns reaches 256 multiple, if it is the number of turns is write in EEPROM, whether detect LED light and light, if lighted, the number of times of bad contact adds 1 and write in EEPROM.
Claims (10)
1. the proving installation of a satellite antenna rotary joint peculiar to vessel, comprise base plate (1), be fixed on the first back up pad (2) and the second back up pad (3) on base plate (1), it is characterized in that, in the first back up pad (2), be provided with the driving mechanism that toothed disc (4) and drive gear disk (4) are rotated, on toothed disc (4), be provided with for the fixing male socket of swivel adapter head male (a1), in the second back up pad (3), be provided with for the fixing female socket of swivel adapter head female (a2), between toothed disc (4) and the second back up pad (3), be provided with the count detection unit that detects swivel adapter head number of revolutions, on base plate (1), be also provided with master controller (8) and to master controller (8), the power supply unit (11) of count detection unit and driving mechanism power supply, this device also comprises the mimic channel under "on" position in the time of can simulating swivel adapter head work, on mimic channel, be provided with to be connected with and detect the detection indicating circuit whether swivel adapter head works and show swivel adapter head cisco unity malfunction, above-mentioned count detection unit, detecting indicating circuit is all connected with master controller (8), on master controller (8), be also connected with the display (10) that shows count results.
2. the proving installation of satellite antenna rotary joint peculiar to vessel according to claim 1, it is characterized in that, described mimic channel comprises cement resistor R2, in male (a1), there is male signal wire (76) and male ground wire (77), in female (a2), there is female signal wire (72) and female ground wire (75), described cement resistor R2 one end is connected with power supply unit (11), the other end is connected with female signal wire (72), female ground wire (75) ground connection, described male (a1) with in female (a2), be equipped with inner wire and be connected with outer conductor and correspondence, described male signal wire (76) and male ground wire (77) short circuit.
3. the proving installation of satellite antenna rotary joint peculiar to vessel according to claim 2; it is characterized in that; described detection indicating circuit comprises protective resistance R1 and LED light (71); one end of protective resistance R1 is connected with female signal wire (72) and names this end is test side (73); the other end is earth terminal (74); the earth terminal (74) of the anodic bonding protective resistance R1 of described LED light (71); the negative electrode of LED light (71) connects female ground wire (75), and described test side (73) are connected with master controller (8).
4. according to the proving installation of the satellite antenna rotary joint peculiar to vessel described in claim 1 or 2 or 3, it is characterized in that, described count detection unit comprises the Hall element (9) being fixed in the second back up pad (3) and is fixed on the permanent magnet on toothed disc (4), described Hall element (9) is connected with master controller (8) and is arranged in the circular path of permanent magnet process, described master controller (8) the sampling rotating cycle that cumulative Hall element (9) is carried successively, and cumulative result is presented in above-mentioned display (10).
5. the proving installation of satellite antenna rotary joint peculiar to vessel according to claim 4, it is characterized in that, described master controller (8) is preserved cumulative sampling rotating cycle with EEPROM, rotating cycle is the cumulative EEPROM that deposits for 256 times a time often, and when master controller (8) receives described detection indicating circuit and is low level the number of times of cumulative swivel adapter head loose contact flow to above-mentioned display (10) and show successively.
6. according to the proving installation of the satellite antenna rotary joint peculiar to vessel described in claim 1 or 2 or 3, it is characterized in that, described driving mechanism comprises direct current generator (5), is connected to Timing Belt (6) between direct current generator (5) and toothed disc (4), the rotating shaft of described direct current generator (5) is provided with driven wheel, described toothed disc (4) is provided with the driven tooth (41) that the number of teeth is greater than the driven wheel number of teeth, and described Timing Belt (6) is enclosed within driven wheel and driven tooth (41).
7. the proving installation of satellite antenna rotary joint peculiar to vessel according to claim 6, it is characterized in that, the center of described toothed disc (4) is provided with the bulge loop (42) that axial line overlaps with toothed disc (4) axial line, described bulge loop (42) inner chamber is fixed with a male locating piece (43), and the center of described male locating piece (43) is the form fit of male socket and this male socket and described male (a1) outer peripheral face.
8. the proving installation of satellite antenna rotary joint peculiar to vessel according to claim 7, it is characterized in that, described the second back up pad (3) be positioned at toothed disc (4) center over against position on offer and can allow female (a2) be positioned at through hole (31) wherein, at through hole (31), be embedded in and be fixed with female locating piece, the center of female locating piece is the form fit of female socket and this female socket and described female (a2) outer peripheral face.
9. according to the proving installation of the satellite antenna rotary joint peculiar to vessel described in claim 1 or 2 or 3, it is characterized in that, described power supply unit (11) comprises the straight rectification filtering module of civil power load module, transformer and alternation, the input end of transformer connects civil power load module, the output terminal of transformer connects rectification filtering module, and rectification filtering module is exported respectively the DC voltage module of supplying with driving mechanism, master controller (8) and mimic channel.
10. the proving installation of satellite antenna rotary joint peculiar to vessel according to claim 9, is characterized in that, described DC voltage module is respectively 12-24V voltage module, 3.3V voltage module and 5V voltage module.
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| CN201310574790.XA CN103604711B (en) | 2013-11-16 | 2013-11-16 | A kind of proving installation of rotary joint of satellite antenna for ship |
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| CN201310574790.XA CN103604711B (en) | 2013-11-16 | 2013-11-16 | A kind of proving installation of rotary joint of satellite antenna for ship |
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| JPH1013117A (en) * | 1996-06-19 | 1998-01-16 | Saitama Nippon Denki Kk | Antenna slide testing device |
| CN1744476A (en) * | 2004-08-31 | 2006-03-08 | 中兴通讯股份有限公司 | Method and device for detecting connection state of antenna and feed line |
| CN101923100A (en) * | 2009-06-09 | 2010-12-22 | 通用汽车环球科技运作公司 | Be used to measure the rotational speed of whirligig and the system and method for position |
| CN201993430U (en) * | 2011-01-21 | 2011-09-28 | 比亚迪股份有限公司 | Detection circuit for antenna connection state |
| CN103116104A (en) * | 2013-02-26 | 2013-05-22 | 浙江中星光电子科技有限公司 | Detection device and detection method for ship-borne satellite signal receiving antenna |
| CN203551416U (en) * | 2013-11-16 | 2014-04-16 | 浙江中星光电子科技有限公司 | Test device for marine satellite antenna rotary joint |
-
2013
- 2013-11-16 CN CN201310574790.XA patent/CN103604711B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1013117A (en) * | 1996-06-19 | 1998-01-16 | Saitama Nippon Denki Kk | Antenna slide testing device |
| CN1744476A (en) * | 2004-08-31 | 2006-03-08 | 中兴通讯股份有限公司 | Method and device for detecting connection state of antenna and feed line |
| CN101923100A (en) * | 2009-06-09 | 2010-12-22 | 通用汽车环球科技运作公司 | Be used to measure the rotational speed of whirligig and the system and method for position |
| CN201993430U (en) * | 2011-01-21 | 2011-09-28 | 比亚迪股份有限公司 | Detection circuit for antenna connection state |
| CN103116104A (en) * | 2013-02-26 | 2013-05-22 | 浙江中星光电子科技有限公司 | Detection device and detection method for ship-borne satellite signal receiving antenna |
| CN203551416U (en) * | 2013-11-16 | 2014-04-16 | 浙江中星光电子科技有限公司 | Test device for marine satellite antenna rotary joint |
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| CN103604711B (en) | 2016-04-06 |
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