CN110376496A - Port switching and test device for radio frequency co-axial cable subassembly voltage-withstand test - Google Patents
Port switching and test device for radio frequency co-axial cable subassembly voltage-withstand test Download PDFInfo
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- CN110376496A CN110376496A CN201910738888.1A CN201910738888A CN110376496A CN 110376496 A CN110376496 A CN 110376496A CN 201910738888 A CN201910738888 A CN 201910738888A CN 110376496 A CN110376496 A CN 110376496A
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- conductor
- test
- radio frequency
- electrically connected
- relay
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
- H01R13/7036—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/717—Structural association with built-in electrical component with built-in light source
- H01R13/7175—Light emitting diodes (LEDs)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
Abstract
The port switching and test device that the invention discloses a kind of for radio frequency co-axial cable subassembly voltage-withstand test, are related to the voltage-withstand test field of radio frequency co-axial cable subassembly.The port switching device includes: the first Wiring port, suitable for being electrically connected the cathode output end mouth of pressure tester；Second Wiring port, suitable for being electrically connected the cathode output end mouth of the pressure tester；Multiple test departments are connected in parallel between first Wiring port and the second Wiring port, for carrying out voltage-withstand test to more radio frequency co-axial cable subassemblies；Wherein, each of the multiple test department test department includes: the RF coaxial interface for tested radio frequency co-axial cable subassembly grafting；It is used to indicate the instruction device of test result, is electrically connected with the RF coaxial interface.Multiple test departments of the invention are connected in parallel between the first Wiring port and the second Wiring port, can be carried out voltage-withstand test to more tested radio frequency co-axial cable subassemblies simultaneously, be improved testing efficiency.
Description
Technical field
The present invention relates to the voltage-withstand test fields of radio frequency co-axial cable subassembly, more particularly, to radio frequency co-axial cable subassembly
The port of voltage-withstand test is transferred and test device.
Background technique
Dielectric withstanding voltage is the important performance indexes of radio frequency co-axial cable subassembly.
Fig. 1 is to show a kind of schematic diagram of typical voltage-withstand test method for radio frequency co-axial cable subassembly.Such as Fig. 1 institute
Show, radio frequency co-axial cable subassembly 300 includes radio frequency coaxial-cable and connector connected to it etc., a kind of typical pressure resistance survey
Method for testing is to apply defined test voltage value between the outer conductor 301 and inner conductor 302 of radio frequency co-axial cable subassembly 300
(DC voltage DC), duration 60s determine that product pressure resistance is qualified, otherwise do not conform to if pressure tester is not alarmed
Lattice.However current pressure tester is single port, can only test a product every time, if a pressure tester configuration
One employee, one hour an of pressure tester can only test 60 products, and testing efficiency is very low.
Therefore, how to improve the test efficiency become an urgent problem for the industry.
Summary of the invention
For the above-mentioned problems in the prior art, the present invention provides a kind of for radio frequency co-axial cable subassembly pressure resistance survey
The port of examination is transferred and test device.
The first aspect of the present invention provides a kind of port switching device for radio frequency co-axial cable subassembly voltage-withstand test, institute
Stating port switching device includes:
First Wiring port, suitable for being electrically connected the cathode output end mouth of pressure tester；
Second Wiring port, suitable for being electrically connected the cathode output end mouth of the pressure tester；
Multiple test departments are connected in parallel between first Wiring port and the second Wiring port, for penetrating to more
High frequency coaxial cable component carries out voltage-withstand test；
Wherein, each of the multiple test department test department includes:
For being tested the RF coaxial interface of radio frequency co-axial cable subassembly grafting；
It is used to indicate the instruction device of test result, is electrically connected with the RF coaxial interface.
In one embodiment of the invention, the instruction device includes:
Battery；
Indicator；
Relay is electrically connected with the inner conductor of the RF coaxial interface and outer conductor, and in tested RF coaxial
The circuit of the battery and indicator is set to be turned on or off when the inner conductor of CA cable assembly is connected with outer conductor.
In one embodiment of the invention, the indicator includes LED light and/or buzzer.
In one embodiment of the invention, the port switching device further include:
First conductor is connect with first Wiring port；
Second conductor is connect with second Wiring port；
The multiple test department is connected in parallel between first conductor and second conductor.
In one embodiment of the invention, the test department further include:
Coaxial cable, one end are electrically connected with the RF coaxial interface, one in the outer conductor and inner conductor of the other end
Person is electrically connected via the instruction device with first conductor, and another one is electrically connected with second conductor.
In one embodiment of the invention, in the instruction device,
The relay be 5 foot relays comprising 2 coil terminals, 1 common, 1 normally opened contact, 1 often
Closed contact and relay switch；
Wherein, a coil terminals are connect with the outer conductor of the coaxial cable or inner conductor, another coil terminals with
The first conductor electrical connection；
One of the anode of the common and the battery and cathode are electrically connected, the anode and cathode of the battery
The other of be electrically connected with a connecting terminal of the indicator, another connecting terminal of the indicator with it is described normally opened
Contact electrical connection；
One end of the relay switch is electrically connected with the common, and the other end is in tested radio frequency co-axial cable subassembly
Inner conductor switch to the normally opened contact from the normally-closed contact when being connected with outer conductor.
In another embodiment of the invention, the relay is 5 foot relays comprising 2 coil terminals, 1
A common, 1 normally opened contact, 1 normally-closed contact and relay switch；
Wherein, a coil terminals are connect with the outer conductor of the coaxial cable or inner conductor, another coil terminals with
The first conductor electrical connection；
One of the anode of the common and the battery and cathode are electrically connected, the anode and cathode of the battery
The other of be electrically connected via cell switch with a connecting terminal of the indicator, another terminals of the indicator
It is sub to be electrically connected with the normally-closed contact；
One end of the relay switch is electrically connected with the common, and the other end is in tested radio frequency co-axial cable subassembly
Inner conductor switch to the normally opened contact from the normally-closed contact when being connected with outer conductor.
In one embodiment of the invention, described device further includes shell；The front surface of the shell has installation
Multiple holes of the RF coaxial interface and the indicator, side surface have the first through hole passed through for first conductor and
For the second through-hole that second conductor passes through, upper surface is provided with the battery case for accommodating the battery and accommodates the relay
Relay box；The inside of the shell, which has, accommodates the coaxial cable, first conductor and second conductor
Chamber.
The second aspect of the present invention provides a kind of test device for radio frequency co-axial cable subassembly voltage-withstand test, comprising:
Voltage source has the voltage output port of output test voltage；
Multiple test departments are connected in parallel between the anode and cathode of the voltage output port, using the test electricity
Pressure carries out voltage-withstand test to more radio frequency co-axial cable subassemblies；
Wherein, each of the multiple test department test department includes:
For being tested the RF coaxial interface of radio frequency co-axial cable subassembly grafting；
It is used to indicate the instruction device of test result, is electrically connected with the RF coaxial interface.
In one embodiment of the invention, the instruction device includes:
Battery；
Indicator；
Relay is electrically connected with the inner conductor of the RF coaxial interface and outer conductor, and in tested RF coaxial
The circuit of the battery and indicator is set to be turned on or off when the inner conductor of CA cable assembly is connected with outer conductor.
The present invention has following advantageous effects compared with the existing technology:
According to the technique and scheme of the present invention, in the first Wiring port and the second Wiring port (or in voltage output port
Between anode and cathode) between in parallel multiple test departments, each test department have for tested radio frequency co-axial cable subassembly grafting
RF coaxial interface and be used to indicate the instruction device of test result.The present invention can be simultaneously to more radio frequency coaxial-cable groups
Part carries out voltage-withstand test, improves testing efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram of a kind of existing typical voltage-withstand test method for radio frequency co-axial cable subassembly；
Fig. 2 is the main view of port switching device according to an embodiment of the present invention；
Fig. 3 is the perspective view of port switching device shown in Fig. 2；
Fig. 4 is sectional view of the port switching device shown in Fig. 2 along line A-A；
Fig. 5 is the internal circuit schematic diagram of port switching device shown in Fig. 2；
Fig. 6 is the internal circuit schematic diagram of the port switching device of another embodiment according to the present invention；
Fig. 7 is the block diagram of pressure resistant testing device according to an embodiment of the present invention；
Fig. 8 is the partial circuit schematic diagram of pressure resistant testing device according to an embodiment of the present invention；
Fig. 9 is the partial circuit schematic diagram of the pressure resistant testing device of another embodiment according to the present invention.
Specific embodiment
It is described in detail to various aspects of the present invention below in conjunction with the drawings and specific embodiments.Wherein, in attached drawing
Component be not necessarily drawn to scale, focus on that the principle of the present invention is illustrated.
In various embodiments of the present invention, well-known structure or material are not shown or do not elaborate.
Also, described feature, structure or characteristic can combine in any way in one or more embodiments.In addition, ability
Field technique personnel should be appreciated that following various embodiments are served only for the protection for example, and is not intended to limit the present invention
Range.It can also be readily appreciated that, the component in each embodiment described herein and shown in the drawings can be by a variety of different configurations
Or ratio is arranged and designs.
Fig. 2 is the main view of port switching device according to an embodiment of the present invention；Fig. 3 is port shown in Fig. 2
The perspective view of switching device；Fig. 4 is sectional view of the port switching device shown in Fig. 2 along line A-A, for the sake of clarity, is omitted
The circuit structure of instruction device；Fig. 5 is the internal circuit schematic diagram of port switching device shown in Fig. 2.Such as Fig. 2, Fig. 3, figure
4, shown in Fig. 5, port switching device described in present embodiment includes: Wiring port 1 (i.e. the first Wiring port), Wiring port
2 (i.e. the second Wiring ports), conductor 3 (i.e. the first conductor), conductor 4 (i.e. the second conductor), more coaxial cables 5, multiple radio frequencies
Coaxial interface 6, multiple relays 7, multiple LED lights 8, battery 9 and shell 10.
Wherein, single relay 7, single led indicator light 8 and battery 9 form instruction device, as shown in figure 5, each finger
Showing device can share single battery 9；It is connected by single radio frequency coaxial interface 6 and therewith by coaxial cable 5 single described
Instruction device forms test department, and the port switching device has multiple test departments as a result,.As shown in figure 5, multiple tests
Portion is connected in parallel between Wiring port 1 and Wiring port 2 by conductor 3, conductor 4, and Wiring port 1 is suitable for pressure tester (not
Show) cathode output end mouth connection, Wiring port 2 be suitable for connect with the cathode output end mouth of the pressure tester.Therefore,
Using the port switching device, more tested radio frequency co-axial cable subassemblies can be tested simultaneously by multiple test departments.
In alternative embodiments, each instruction device can be respectively provided with individual battery.
The place and route of each building block of present embodiment is specifically described below.
As shown in Figures 2 and 3, the front surface of shell 10 have installation RF coaxial interface 6 and LED light 8 it is multiple
Hole, side surface are provided with receiving electricity with the first through hole passed through for conductor 3 and the second through-hole passed through for conductor 4, upper surface
The battery case 101 in pond 9 and the relay box 102 for accommodating relay 7；The inside of shell, which has, to be accommodated coaxial cable 5, conductor 1, leads
The chamber of body 2.
For a test department or a radio frequency coaxial-cable interface 6, circuit connection is as follows: RF coaxial electricity
Cable interface 6 is connect with one end of coaxial cable 5, that is, the inner conductor of radio frequency coaxial-cable interface 6 and the inner conductor of coaxial cable 5
Connection, the outer conductor of radio frequency coaxial-cable interface 6 are connect with the outer conductor of coaxial cable 5.It is led in the other end of coaxial cable 5
Body 51 is connect with one end of conductor 4, and the second through-hole that the other end of conductor 4 passes through shell 10 is connect with Wiring port 2.Coaxial line
The outer conductor 52 of the other end of cable 5 is connect with the coil terminals 71 of relay 7, the coil terminals 72 of relay 7 and the one of conductor 3
End connection, the first through hole that the other end of conductor 3 passes through shell 10 are connect with Wiring port 1.
The cathode (or anode) of the common 73 of relay 7 and battery 9 connect, the anode (or cathode) of battery 9 and
One connecting terminal of LED light 8 connects, another connecting terminal of LED light 8 and the normally opened contact 74 of relay 7
Connection.
The common 73 of relay 7 is also connect with one end of relay switch 76.In coil terminals 71 and coil terminals
There is no electric current to pass through (the not tested electricity of medium between the outer conductor and inner conductor of i.e. tested radio frequency co-axial cable subassembly between 72
Pressure breakdown) when, relay switch 76 is connect with normally-closed contact 75；There is electric current to pass through between coil terminals 71 and coil terminals 72
When (medium between the outer conductor and inner conductor of i.e. tested radio frequency co-axial cable subassembly is tested voltage breakdown), relay switch
76 are switched to normally opened contact 74 from normally-closed contact 75, so that LED light 8 is connected with the circuit of battery, LED light 8 is bright.
For other test departments or other radio frequency coaxial-cable interfaces 6, circuit connection is same as above, and each test department is each other simultaneously
Connection is connected between Wiring port 1 and Wiring port 2, as shown in Figure 5.
In test, tested radio frequency co-axial cable subassembly is plugged on radio frequency coaxial-cable interface 6, and by Wiring port
1 connect with the cathode of pressure tester, Wiring port 2 is connect with the anode of pressure tester, pressure tester passes through wiring
Port 1 and Wiring port 2 export defined test voltage.
If tested radio frequency co-axial cable subassembly is not withstand pressure to test voltage, i.e., the outer conductor of tested radio frequency co-axial cable subassembly
Medium between inner conductor is tested voltage breakdown, just has electricity between the coil terminals 71 and coil terminals 72 of relay 7
Stream flows through, and relay switch 76 is just switched on normally opened contact 74 by relay 7 from normally-closed contact 75, thus LED light 8
It is connected with the circuit of battery 9, LED light 8 is bright.
If tested radio frequency co-axial cable subassembly to test voltage pressure resistance, i.e., the outer conductor of tested radio frequency co-axial cable subassembly with
Medium between inner conductor is not tested voltage breakdown, does not just have between the coil terminals 71 and coil terminals 72 of relay 7
Electric current flows through, so that the circuit of LED light 8 and battery 9 is to disconnect, LED light 8 does not work.
Therefore, in test, if observing, LED light is bright, decides that the radio frequency co-axial cable subassembly of test is unqualified
(pressure voltage of i.e. tested radio frequency co-axial cable subassembly does not reach defined numerical value).If LED light does not work, survey is decided that
The radio frequency co-axial cable subassembly of examination is qualified.
Fig. 6 shows the internal circuit schematic diagram of the port switching device of another embodiment according to the present invention.Such as Fig. 6
Shown, the internal circuit construction of the port switching device of present embodiment is essentially identical with above embodiment, with above-mentioned implementation
Unlike mode, in the present embodiment, the common 73 of relay 7 is connect with the cathode (or anode) of battery 9, electricity
The anode (or cathode) in pond 9 is connect via cell switch 91 with a connecting terminal of LED light 8, LED light 8
Another connecting terminal is connect with the normally-closed contact 75 of relay 7.
In test, cell switch 91 is closed, tested radio frequency co-axial cable subassembly is plugged into radio frequency coaxial-cable and is connect
On mouth 6, and Wiring port 1 is connect with the cathode of pressure tester, Wiring port 2 is connect with the anode of pressure tester,
So that pressure tester exports defined test voltage by Wiring port 1 and Wiring port 2.
After being closed cell switch 91, LED light 8 is connected with the circuit of battery 9, and LED light 8 is bright.If tested
Radio frequency co-axial cable subassembly is not withstand pressure to test voltage, i.e., between the outer conductor and inner conductor of tested radio frequency co-axial cable subassembly
Medium is tested voltage breakdown, just has electric current between the coil terminals 71 and coil terminals 72 of relay 7 and flows through, relay
Switch 76 is just switched on normally opened contact 74 from normally-closed contact 75, so that the circuit of LED light 8 and battery 9 disconnects, LED refers to
Show that lamp 8 becomes not working from bright.
If tested radio frequency co-axial cable subassembly to test voltage pressure resistance, i.e., the outer conductor of tested radio frequency co-axial cable subassembly with
Medium between inner conductor is not tested voltage breakdown, does not have electric current between the coil terminals 71 and coil terminals 72 of relay
It flows through, LED light 8 is always maintained at bright state.
Present embodiment keeps LED light first bright in test, and corresponding quilt is determined when observing that LED light does not work
It is unqualified to survey radio frequency co-axial cable subassembly, it can be ensured that there is no failures for LED light when test, avoid because of LED light
Failure and cause test result inaccurate.
In alternative embodiments, the LED light of different colours can be set to indicate tested radio frequency co-axial cable subassembly
It is qualified with it is unqualified, for example, relay normally open contact, battery and relay common composition circuit in be arranged hair
The LED of green light is arranged in the LED light of feux rouges in the circuit that relay normally closed contact, battery, relay common form
Lamp.Wherein, the LED light of green light is always on, once tested radio frequency co-axial cable subassembly is unqualified, relay switch is just from normally closed touching
Point is switched to normally opened contact, thus make the circuit conducting of relay normally open contact, battery and relay common composition,
The circuit of relay normally closed contact, battery and relay common composition disconnects, and the LED lamp to glow is lighted, greening
The LED light of light is extinguished, to indicate that the radio frequency coaxial-cable of test is unqualified to tester.
In alternate embodiments, LED light can also be replaced with to other suitable indicators, such as buzzer.
In alternate embodiments, coaxial cable 5, relay 7, conductor 3, can also be using other electricity between conductor 4
Road connection type, for example, the inner conductor 51 of coaxial cable 5 can be connect with the coil terminals 71 of relay 7, the line of relay 7
Circle terminal 72 can be connect with conductor 3, and the outer conductor 52 of coaxial cable can be connect with conductor 4.
In alternate embodiments, other suitable modes also can be used by the outer conductor of RF coaxial interface 6 and interior
Conductor is electrically connected with conductor 1 and conductor 2 respectively, for example, by a conducting wire by the outer conductor of RF coaxial interface 6 (via finger
Showing device) it is electrically connected with conductor 3, the inner conductor of RF coaxial interface 6 is electrically connected with conductor 4 by another conducting wire.
In alternate embodiments, each test department can also be connected in parallel on Wiring port by other suitable wire laying modes
Between 1 and Wiring port 2, for example, each test department passes through conductor in parallel between Wiring port 1 and Wiring port 2 respectively.
In alternate embodiments, shell 9 can select+33% fiber of nylon (PA66+33%GF) material, the material
Rigidity is big, and creep is small, high mechanical strength, and heat-resist, electrical insulating property is good, so that the port switching device can be harsher
Chemistry, be used for a long time under physical environment.
Fig. 7 shows the schematic diagram of pressure resistant testing device according to an embodiment of the present invention.As shown in Fig. 7, this reality
The pressure resistant testing device 100 for applying mode includes voltage source 110, test department 120, and each test department 120 includes: same for tested radio frequency
The RF coaxial interface of shaft cable modular connector, and it is used to indicate the instruction device of test result, instruction device is same with radio frequency
Axial interface electrical connection.Wherein, each test department 120 is connected in parallel between the anode and cathode of the voltage output port of voltage source 110, is adopted
The test voltage exported with voltage source 110 carries out voltage-withstand test to more radio frequency co-axial cable subassemblies simultaneously.
Fig. 8 shows the partial circuit schematic diagram of pressure resistant testing device according to an embodiment of the present invention.Such as Fig. 8 institute
Show, the pressure resistant testing device of present embodiment includes: voltage source 210, RF coaxial interface 220, relay 230, LED indication
Lamp 240 and battery 250.
The anode of voltage source 210 is electrically connected with a terminals of RF coaxial interface 220, RF coaxial interface 220
Another terminals is connect with the coil terminals 231 of relay 230, another coil terminals 232 and voltage source of relay 230
210 cathode electrical connection.
The common 233 of relay 230 is connect with the cathode of battery 250, the anode and LED light of battery 250
240 terminals electrical connection, another terminals of LED light 240 are electrically connected with the normally opened contact 234 of relay.
The common 233 of relay 230 is also connect with one end of relay switch 236, relay switch 236 it is another
End is connect with normally-closed contact 135.When test, tested radio frequency co-axial cable subassembly is inserted on RF coaxial interface, if tested penetrate
High frequency coaxial cable component is not withstand pressure, i.e., the tested electricity of medium between the outer conductor and inner conductor of tested radio frequency co-axial cable subassembly
Pressure breakdown, just has electric current between the coil terminals 231 and coil terminals 232 of relay and flows through, relay 230 is just by relay
Device switch 236 is switched on normally opened contact 234 from normally-closed contact 235, and LED light 240 and the circuit of battery 250 is connected,
Indicator light 240 is bright.
If tested radio frequency co-axial cable subassembly pressure resistance, i.e., between the outer conductor and inner conductor of tested radio frequency co-axial cable subassembly
Medium not be tested voltage breakdown, just there is no electric current stream between the coil terminals 231 and coil terminals 232 of relay 230
It crosses, LED light 240 does not work.
Also in parallel identical test departments of multiple groups between the anode and cathode of voltage source 210 (including RF coaxial interface
220, relay 230, LED light 240 and battery 250), it is not shown in this figure, the circuit configurations of each test department
Identical as the test department in the switching device of port with working principle, details are not described herein.
Fig. 9 shows the partial circuit schematic diagram of the pressure resistant testing device of another embodiment according to the present invention.Such as Fig. 9
Shown, the pressure resistant testing device of present embodiment includes: voltage source 210, RF coaxial interface 220, relay 230, LED indication
Lamp 240 and battery 250.
The inside of the internal circuit configuration of the pressure resistant testing device of present embodiment and pressure resistant testing device shown in Fig. 8 electricity
Line structure is essentially identical.Unlike pressure resistant testing device shown in Fig. 8, the public touching of the relay 230 of present embodiment
Point 233 is connect with the cathode of battery 250, a positive wiring via cell switch 251 and LED light 240 for battery 250
End electrical connection, another terminals of LED light 240 are electrically connected with the normally-closed contact 235 of relay.
When test, cell switch 251 is closed, LED light 240 is connected with the circuit of battery 250, and LED indicator light is bright.If
Tested radio frequency co-axial cable subassembly is not withstand pressure, i.e., the medium quilt between the outer conductor and inner conductor of tested radio frequency co-axial cable subassembly
Test voltage breakdown, just has electric current between the coil terminals 231 and coil terminals 232 of relay and flows through, and relay 230 just will
Relay switch 236 is switched on normally opened contact 234 from normally-closed contact 235, makes the circuit of LED light 240 Yu battery 250
It disconnects, LED light 240 becomes not working from bright.
If tested radio frequency co-axial cable subassembly pressure resistance, i.e., between the outer conductor and inner conductor of tested radio frequency co-axial cable subassembly
Medium not be tested voltage breakdown, just there is no electric current stream between the coil terminals 231 and coil terminals 232 of relay 230
It crosses, LED light 240 is always maintained at bright state.
Present embodiment can be to avoid because of test result inaccuracy caused by failed led.
In alternative embodiments, the LED light of different colours can be set to indicate tested radio frequency co-axial cable subassembly
It is qualified with it is unqualified, for example, relay normally open contact, battery and relay common composition circuit in be arranged hair
The LED of green light is arranged in the LED light of feux rouges in the circuit that relay normally closed contact, battery, relay common form
Lamp.Wherein, the LED light of green light is always on, once tested radio frequency co-axial cable subassembly is unqualified, relay switch is just from normally closed touching
Point is switched to normally opened contact, thus make the circuit conducting of relay normally open contact, battery and relay common composition,
The circuit of relay normally closed contact, battery and relay common composition disconnects, and the LED lamp to glow is lighted, greening
The LED light of light is extinguished, to indicate that the radio frequency coaxial-cable of test is unqualified to tester.
In alternate embodiments, LED light can also be replaced with to other suitable indicators, such as buzzer.
Term and wording used in description of the invention are just to for example, be not intended to constitute restriction.Ability
Field technique personnel should be appreciated that under the premise of not departing from the basic principle of disclosed embodiment, to above embodiment
In each details can carry out various change.Therefore, protection scope of the present invention is only determined by claim, in the claims,
Unless otherwise indicated, all terms should be understood by the broadest reasonable meaning.
Claims (10)
1. being used for the port switching device of radio frequency co-axial cable subassembly voltage-withstand test, which is characterized in that the port switching device
Include:
First Wiring port, suitable for being electrically connected the cathode output end mouth of pressure tester；
Second Wiring port, suitable for being electrically connected the cathode output end mouth of the pressure tester；
Multiple test departments are connected in parallel between first Wiring port and the second Wiring port, for same to more radio frequencies
Shaft cable component carries out voltage-withstand test；
Wherein, each of the multiple test department test department includes:
For being tested the RF coaxial interface of radio frequency co-axial cable subassembly grafting；
It is used to indicate the instruction device of test result, is electrically connected with the RF coaxial interface.
2. port switching device according to claim 1, which is characterized in that the instruction device includes:
Battery；
Indicator；
Relay is electrically connected with the inner conductor of the RF coaxial interface and outer conductor, and in tested radio frequency coaxial-cable
The circuit of the battery and indicator is set to be turned on or off when the inner conductor of component is connected with outer conductor.
3. port switching device according to claim 2, which is characterized in that the indicator include LED light and/or
Buzzer.
4. port switching device described in any one of -3 claims according to claim 1, which is characterized in that the port
Switching device further include:
First conductor is connect with first Wiring port；
Second conductor is connect with second Wiring port；
The multiple test department is connected in parallel between first conductor and second conductor.
5. port switching device according to claim 4, which is characterized in that the test department further include:
Coaxial cable, one end are electrically connected with the RF coaxial interface, one of outer conductor and inner conductor of the other end warp
It is electrically connected by the instruction device with first conductor, another one is electrically connected with second conductor.
6. port switching device according to claim 5, which is characterized in that in the instruction device,
The relay is 5 foot relays comprising 2 coil terminals, 1 common, 1 normally opened contact, 1 normally closed touching
Point and relay switch；
Wherein, a coil terminals are connect with the outer conductor of the coaxial cable or inner conductor, another coil terminals with it is described
The electrical connection of first conductor；
One of the anode of the common and the battery and cathode be electrically connecteds, the battery it is positive in cathode
Another one is electrically connected with a connecting terminal of the indicator, another connecting terminal and the normally opened contact of the indicator
Electrical connection；
One end of the relay switch is electrically connected with the common, and the other end is in tested radio frequency co-axial cable subassembly
The normally opened contact is switched to from the normally-closed contact when conductor is connected with outer conductor.
7. port switching device according to claim 5, which is characterized in that
The relay is 5 foot relays comprising 2 coil terminals, 1 common, 1 normally opened contact, 1 normally closed touching
Point and relay switch；
Wherein, a coil terminals are connect with the outer conductor of the coaxial cable or inner conductor, another coil terminals with it is described
The electrical connection of first conductor；
One of the anode of the common and the battery and cathode be electrically connecteds, the battery it is positive in cathode
Another one is electrically connected via cell switch with a connecting terminal of the indicator, another connecting terminal of the indicator with
The normally-closed contact electrical connection；
One end of the relay switch is electrically connected with the common, and the other end is in tested radio frequency co-axial cable subassembly
The normally opened contact is switched to from the normally-closed contact when conductor is connected with outer conductor.
8. port switching device according to claim 5, which is characterized in that described device further includes shell；
The front surface of the shell has multiple holes of the installation RF coaxial interface and the indicator, and side surface, which has, to be supplied
The first through hole and the second through-hole passed through for second conductor that first conductor passes through, upper surface is provided with described in receiving
The battery case of battery and the relay box for accommodating the relay；
The inside of the shell has the chamber for accommodating the coaxial cable, first conductor and second conductor.
9. being used for the test device of radio frequency co-axial cable subassembly voltage-withstand test characterized by comprising
Voltage source has the voltage output port of output test voltage；
Multiple test departments are connected in parallel between the anode and cathode of the voltage output port, using the test voltage pair
More radio frequency co-axial cable subassemblies carry out voltage-withstand test；
Wherein, each of the multiple test department test department includes:
For being tested the RF coaxial interface of radio frequency co-axial cable subassembly grafting；
It is used to indicate the instruction device of test result, is electrically connected with the RF coaxial interface.
10. test device according to claim 9, which is characterized in that the instruction device includes:
Battery；
Indicator；
Relay is electrically connected with the inner conductor of the RF coaxial interface and outer conductor, and in tested radio frequency coaxial-cable
The circuit of the battery and indicator is set to be turned on or off when the inner conductor of component is connected with outer conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738888.1A CN110376496A (en) | 2019-08-12 | 2019-08-12 | Port switching and test device for radio frequency co-axial cable subassembly voltage-withstand test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738888.1A CN110376496A (en) | 2019-08-12 | 2019-08-12 | Port switching and test device for radio frequency co-axial cable subassembly voltage-withstand test |
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| Publication Number | Publication Date |
|---|---|
| CN110376496A true CN110376496A (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910738888.1A Pending CN110376496A (en) | 2019-08-12 | 2019-08-12 | Port switching and test device for radio frequency co-axial cable subassembly voltage-withstand test |
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| CN (1) | CN110376496A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044855A (en) * | 2019-12-12 | 2020-04-21 | 北京无线电计量测试研究所 | Device and method for testing dielectric strength of radio frequency coaxial connector |
-
2019
- 2019-08-12 CN CN201910738888.1A patent/CN110376496A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044855A (en) * | 2019-12-12 | 2020-04-21 | 北京无线电计量测试研究所 | Device and method for testing dielectric strength of radio frequency coaxial connector |
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