CN218123687U - Switch device - Google Patents
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- CN218123687U CN218123687U CN202222487947.2U CN202222487947U CN218123687U CN 218123687 U CN218123687 U CN 218123687U CN 202222487947 U CN202222487947 U CN 202222487947U CN 218123687 U CN218123687 U CN 218123687U
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Abstract
The application relates to a switching device, switching device includes three coaxial switch and six ports, and every coaxial switch has four to connect, and two joints of every coaxial switch connect two ports respectively, and two other joints link to each other with a joint of other two coaxial switches respectively, and every coaxial switch has two kinds of conducting state, through the conducting state of controlling every coaxial switch respectively, realizes the arbitrary switching between three transmitters and three antennas. The antenna switching device has the advantages that flexible manual or automatic switching between the three transmitters and the three antennas is achieved, operation is simple, equipment abrasion is reduced, switching efficiency is improved, and service life is prolonged.
Description
Technical Field
The present application relates to the field of communication equipment, and in particular, to a switching device.
Background
In a wireless transmission system for television broadcasting, different transmitters and antennas of the transmission system need to be switched. When the transmitter and the antenna are connected for operation, if the transmitter or the antenna is in failure and needs to be replaced, and the transmitter with different power or the antenna with different frequency needs to be switched to change the working state so as to meet the working requirement, the antenna switching device is needed to switch.
The existing switch device for switching between the transmitter and the antenna mainly depends on a conduction shaft for switching, abrasion is easy to generate after long-time and multiple switching, the corresponding outer conductor is not firmly contacted any more, and the stability is poor; the switching process needs manual switching on site by an operator, the operation is time-consuming and labor-consuming, and the working efficiency is affected.
SUMMERY OF THE UTILITY MODEL
In order to simplify the operation of switching between different transmitters and antennas and reduce equipment wear, the application provides a switching device.
The application provides a switching device adopts following technical scheme:
a switching device, comprising:
the system comprises three coaxial switches and six ports, wherein each coaxial switch is provided with four joints;
the first joint and the third joint of the first coaxial switch are respectively connected with a port, the second joint and the third joint of the second coaxial switch are respectively connected with a port, and the second joint and the fourth joint of the third coaxial switch are respectively connected with a port;
the second connector of the first coaxial switch is connected with the first connector of the second coaxial switch, the fourth connector of the first coaxial switch is connected with the first connector of the third coaxial switch, and the fourth connector of the second coaxial switch is connected with the third connector of the third coaxial switch.
Each coaxial switch has two conduction states, the first conduction state is that a first joint and a second joint of the coaxial switch are conducted, and a third joint and a fourth joint are conducted; the second conduction state is that the first connector is conducted with the fourth connector, and the second connector is conducted with the third connector.
By adopting the technical scheme, the coaxial switch is used for switching the channel so as to switch the three transmitters and the three antennas, so that the equipment abrasion can be reduced, and the service life can be prolonged; the conducting state of each coaxial switch is respectively controlled, so that the three transmitters and the three antennas can be switched randomly, the operation is simple, and the efficiency is improved.
The present invention in a preferred embodiment can be further configured to: the three coaxial switches are connected with the six ports by adopting coaxial hard feed tubes, and the three coaxial switches are connected with each other by adopting the coaxial hard feed tubes.
By adopting the technical scheme, the coaxial switches and the ports are simply and firmly connected, the attenuation of transmission signals is smaller, and the transmission efficiency is higher.
The present invention in a preferred embodiment can be further configured to: the single-chip microcomputer is connected with the transistor array, the transistor array is respectively connected with the three relays, and each relay is respectively connected with one coaxial switch.
By adopting the technical scheme, the upper computer sends an instruction to the single chip microcomputer, the single chip microcomputer controls the three relays through the transistor array so as to control the coaxial switch, automatic control over switching of the transmitter and the antenna is achieved, operation time is saved, and operation difficulty is reduced.
The present invention in a preferred embodiment can be further configured to: the power supply also comprises three isolating relays, and each isolating relay is connected with the power supply and one relay.
By adopting the technical scheme, when the relay for controlling the on-state of the coaxial switch works, the induction voltage generated by the coil cannot be transmitted to the single chip microcomputer, so that the single chip microcomputer resets, the circuit is protected, and the relay is more stable and safer.
The present invention in a preferred embodiment can be further configured to: the three warning lamps are respectively connected with the three coaxial switches.
By adopting the technical scheme, when the warning lamp is on, the condition that the coaxial switch is in a wrong state and the coaxial switch does not work normally is shown, and the coaxial switch is convenient to process in time.
The present invention may be further configured in a preferred embodiment as: the LED lamp further comprises six port lamps, and each port lamp is connected with one port.
By adopting the technical scheme, the port conduction state can be indicated, the corresponding port is in the conduction state when the port lamp is lightened to have the same color, and whether the port is normally conducted or not is convenient to confirm.
The present invention may be further configured in a preferred embodiment as: the three-phase switch is characterized by further comprising four toggle switches, wherein one toggle switch is connected with a power supply, and each toggle switch is connected with one coaxial switch in the other three toggle switches.
By adopting the technical scheme, manual switching or automatic switching can be freely set, toggle switch control is adopted, operation is simple, and efficiency is higher.
The present invention may be further configured in a preferred embodiment as: still include the box body, six port settings are in the side of box body, three coaxial switch sets up the top surface of box body.
Through adopting above-mentioned technical scheme, can assemble port and coaxial switch together, small in size, simple structure, convenient to use.
To sum up, the utility model discloses a following at least one useful technological effect:
1. and manual switching or automatic switching is selected according to needs, so that the random combination switching between the three transmitters and the three antennas is realized, the use is convenient, and the efficiency is improved.
2. Furthermore, the coaxial switch is used for switching the channel, so that the free switching of the transmitter and the antenna is realized, the equipment abrasion is reduced, and the service life is prolonged.
3. Furthermore, manual and automatic switching is set by using a toggle switch, so that the operation difficulty is reduced, and the operation time is saved.
Drawings
Fig. 1 is a front view of the external structure of the switchgear of the present invention.
Fig. 2 is a side view of the external structure of the switching device of the present invention.
Fig. 3 is a bottom view of the external structure of the switch device of the present invention.
Fig. 4 is a schematic diagram of the internal structure of the switching device of the present invention.
Fig. 5 is a schematic diagram of the switch device control panel of the present invention.
Fig. 6 is a schematic diagram of a state display board of the switch device of the present invention.
In the figure, 1, a first coaxial switch; 2. a second coaxial switch; 3. a third coaxial switch; 10. a box body; 11. a first port; 12. a second port; 13. a third port; 14. a fourth port; 15. a fifth port; 16. a sixth port; 20. a first toggle switch; 21. a second toggle switch; 22. a third toggle switch; 23 a fourth toggle switch; 24. a power supply port; 25. a cable port.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a switching device. Referring to fig. 1, a switching apparatus includes a case 10, three coaxial switches disposed inside the case 10, and six ports disposed at sides of the case 10.
Referring to fig. 2, the six ports include three ports provided on the left side surface of the case body 10: a first port 11, a second port 12 and a third port 13, each for connection to a transmitter; six ports are still including setting up the three port on the box body right flank: a fourth port 14, a fifth port 15 and a sixth port 16, each for wired connection with an antenna, in which case the connection between the transmitter and the antenna can be facilitated. In some alternative embodiments, the ports may be L36-50KF ports.
Referring to fig. 3 and 4, four toggle switches (a first toggle switch 20, a second toggle switch 21, a third toggle switch 22, and a fourth toggle switch 23), a power supply port 24, and an optical cable port 25 are further provided on the box body 10. The first toggle switch 20 is connected to a power supply and used for selecting automatic switching or manual switching, and the second toggle switch 21, the third toggle switch 22 and the fourth toggle switch 23 are respectively connected to a coaxial switch and used for respectively controlling the conduction states of the three coaxial switches in a manual switching mode. The operation difficulty can be reduced by selecting the toggle switch for control, and the operation time is saved; the power supply port 24 is a 220V power supply port and is used for supplying power to the switching device so as to realize automatic switching of the switching device, and when the switching device is not supplied with power, the switching device can still realize switching of the three transmitters and the three antennas through manual switching; the cable port 25 is used for connection of the switching device to the upper computer.
Referring to fig. 4, three coaxial switches are arranged inside the box body, each coaxial switch is provided with four connectors (a first connector a, a second connector B, a third connector C and a fourth connector D) and connected to a control main shaft, each coaxial switch is provided with two conduction states, the two conduction states can be switched by manually rotating the main shaft, and the two conduction states can also be automatically controlled and switched by an internal motor driving circuit.
Referring to fig. 4, the first conduction state of each coaxial switch is that the first joint a and the second joint B of the coaxial switch are conducted, the third joint C and the fourth joint D are conducted, the second conduction state is that the first joint a and the fourth joint D of the coaxial switch are conducted, the second joint B and the third joint C are conducted, and the first coaxial switch 1, the second coaxial switch 2 and the third coaxial switch 3 all adopt Tzkg-III, so that the requirements of manual automatic switching of different transmitters and different antennas are met.
Referring to fig. 4, the first terminal a of the first coaxial switch 1 is connected to the second port 12, the third terminal C is connected to the third port 13, the second terminal B is connected to the first terminal a of the second coaxial switch 2, and the fourth terminal D is connected to the first terminal a of the third coaxial switch 3; the second joint B of the second coaxial switch 2 is connected with the sixth port 16, the third joint C is connected with the first port 11, and the fourth joint D is connected with the third joint C of the third coaxial switch 3; the second connection B of the third coaxial switch 3 is connected to the fifth port 15 and the fourth connection D is connected to the fourth port 14.
Through adopting the above-mentioned connected mode and setting up the different conducting state of every coaxial switch respectively and can realize the arbitrary connection switching of six kinds of states between three transmitters and three antennas:
1. the first connection state is that when the first coaxial switch 1, the second coaxial switch 2 and the third coaxial switch 3 are all a first joint A and a second joint B which are conducted, and a third joint C and a fourth joint D which are conducted, the first port 11 is connected with the fourth port 14, the second port 12 is connected with the sixth port 16, and the third port 13 is connected with the fifth port 15;
2. the second connection state is that when the first coaxial switch 1 is that the first joint A and the second joint B are conducted, the third joint C and the fourth joint D are conducted, and the second coaxial switch 2 and the third coaxial switch 3 are that the first joint A and the fourth joint D are conducted, and the second joint B and the third joint C are conducted, the first port 11 is connected with the sixth port 16, the second port 12 is connected with the fifth port 15, and the third port 13 is connected with the fourth port 14;
the second connection state may also be that when the third coaxial switch 3 is such that the first joint a and the second joint B are conducted, the third joint C and the fourth joint D are conducted, and both the first coaxial switch 1 and the second coaxial switch 2 are the first joint a and the fourth joint D are conducted, and the second joint B and the third joint C are conducted, the first port 11 is connected with the sixth port 16, the second port 12 is connected with the fifth port 15, and the third port 13 is connected with the fourth port 14;
3. the third connection state is that when the second coaxial switch 2 is that the first joint A and the second joint B are conducted, the third joint C and the fourth joint D are conducted, and the first coaxial switch 1 and the third coaxial switch 3 are that the first joint A and the fourth joint D are conducted, and the second joint B and the third joint C are conducted, the first port 11 is connected with the fifth port 15, the second port 12 is connected with the fourth port 14, and the third port 13 is connected with the sixth port 16;
4. the fourth connection state is that when the first coaxial switch 1 and the second coaxial switch 2 are both the first joint a and the second joint B conducted, the third joint C and the fourth joint D conducted, and the third coaxial switch 3 is that the first joint a and the fourth joint D conducted, the second joint B and the third joint C conducted, the first port 11 is connected with the fifth port 15, the second port 12 is connected with the sixth port 16, and the third port 13 is connected with the fourth port 14;
5. the fifth connection state is that when the first coaxial switch 1 and the third coaxial switch 3 are both a first joint A and a second joint B which are conducted, and a third joint C and a fourth joint D which are conducted, and the second coaxial switch 2 is that the first joint A and the fourth joint D are conducted, and the second joint B and the third joint C are conducted, the first port 11 is connected with the sixth port 16, the second port 12 is connected with the fourth port 14, and the third port 13 is connected with the fifth port 15;
the fifth connection state may also be that when the first coaxial switch 1, the second coaxial switch 2, and the third coaxial switch 3 are all the first connector a and the fourth connector D are conducted, and the second connector B and the third connector C are conducted, the first port 11 is connected with the sixth port 16, the second port 12 is connected with the fourth port 14, and the third port 13 is connected with the fifth port 15;
6. the sixth connection state is that when the second coaxial switch 2 and the third coaxial switch 3 are both the first connector a and the second connector B, and the third connector C and the fourth connector D are connected, and the first coaxial switch 1 is that the first connector a and the fourth connector D are connected, and the second connector B and the third connector C are connected, the first port 11 and the fourth port 14 are connected, the second port 12 and the fifth port 15 are connected, and the third port 13 and the sixth port 16 are connected.
Referring to fig. 4, the three coaxial switches and the six ports are connected by coaxial hard feed pipes, and the three coaxial switches are connected by coaxial hard feed pipes. The coaxial hard feed tube is adopted for connection, so that the connection is simple and firm, the attenuation of transmission signals is less, and the transmission efficiency is higher.
Referring to fig. 5, in the automatic switching mode, the coaxial switch control circuit includes a single chip microcomputer, a transistor array and three control relays, contacts of the three control relays are kept normally closed by default, the coaxial switches connected with the relays are kept in a conducting state at the moment, after the 51 single chip microcomputer receives an instruction of an upper computer, a P0 port is connected with a pull-up resistor to provide a proper driving current, and then a control signal is transmitted to the darlington transistor array, the transistor array is equivalent to an integrated driving circuit and used for transmitting a signal of the single chip microcomputer to control the relays and then connected to coils of the three relays after being driven, normally open contacts and normally closed contacts of the relays are connected with the coaxial switches, the normally open contacts and the common contacts are closed by controlling corresponding relay coils to be closed, and then a motor driving circuit inside the coaxial switches connected with the corresponding relays is controlled to be switched to another conducting state, diodes and capacitors connected with the relay coils in parallel are used for consuming reverse electromotive force generated when the relay coils are switched off, and the coaxial switches are directly controlled by the relays, so that the circuit can be simplified and stably realize automatic control.
Referring to fig. 3, the coaxial switch control circuit further uses three relays for isolation, the contacts of the isolation relay are kept normally closed by default, the common contact is connected with a power supply, the situation that the contact state of the control relay is changed in the instant of power-on and then the state of the coaxial switch is changed is prevented, the normally open contact is connected with the three control relays respectively, and the induction voltage generated when the coil of the control relay is attracted is prevented from being transmitted to the single chip microcomputer, so that the single chip microcomputer resets and the circuit is damaged.
Referring to fig. 2 and 4, after the coaxial switches are controlled to be in a conducting state by the relay, the 51 single chip microcomputer outputs an instruction to control the indicator lamps on the state display board to indicate whether the coaxial switches are in a normal state or not according to the coaxial state, the three indicator lamps are respectively and correspondingly connected with the three coaxial switches, the indicator lamps are turned on, the coaxial switches are in a wrong conducting state, and the exchange switch does not work normally.
Referring to fig. 2, each port is further provided with a corresponding port lamp, each port lamp adopts a light emitting diode with three colors, the 51 single chip microcomputer outputs an instruction to control the port lamp on the state display panel according to the coaxial state, when the corresponding port lamp is lighted with the same color, the corresponding port is in a conduction state, when the corresponding port lamp is lighted with different colors, the corresponding port is not correctly conducted, and the channel can be ensured to be in a correct conduction state through the display state of the port lamp, so that the transmitter and the antenna are protected.
The present embodiment is further described below with reference to specific cases:
when the main transmitter is connected to the main antenna, that is, when the first port 11 and the fourth port 14 are connected, the on-state of the coaxial switch may be: the second coaxial switch 2 and the third coaxial switch 3 are both a first joint A and a second joint B which are conducted, and a third joint C and a fourth joint D which are conducted.
When the main transmitter fails or the power does not meet the use requirement, two ways of switching can be adopted,
1. when one spare transmitter is connected to the main antenna, that is, the second port 12 and the fourth port 14 are connected, the on state of the coaxial switch may be: the first coaxial switch 1 and the third coaxial switch 3 are both conducted by a first joint A and a fourth joint D, and conducted by a second joint B and a third joint C;
2. when one spare transmitter is connected to one spare antenna, that is, the second port 12 and the fifth port 15 are connected, the on state of the coaxial switch may be: the first coaxial switch 1 is in a state that the first joint A and the fourth joint D are conducted, the second joint B and the third joint C are conducted, and the third coaxial switch 3 is in a state that the first joint A and the second joint B are conducted, and the third joint C and the fourth joint D are conducted.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A switching device, comprising:
the system comprises three coaxial switches and six ports, wherein each coaxial switch is provided with four joints;
the first joint and the third joint of the first coaxial switch are respectively connected with a port, the second joint and the third joint of the second coaxial switch are respectively connected with a port, and the second joint and the fourth joint of the third coaxial switch are respectively connected with a port;
the second joint of the first coaxial switch is connected with the first joint of the second coaxial switch, the fourth joint of the first coaxial switch is connected with the first joint of the third coaxial switch, and the fourth joint of the second coaxial switch is connected with the third joint of the third coaxial switch;
each coaxial switch has two conduction states, the first conduction state is that a first joint and a second joint of the coaxial switch are conducted, and a third joint and a fourth joint are conducted; the second conduction state is that the first joint is conducted with the fourth joint, and the second joint is conducted with the third joint.
2. The switching device of claim 1, wherein the three coaxial switches are connected to the six ports using coaxial hard feed tubes, and wherein the three coaxial switches are connected to each other using coaxial hard feed tubes.
3. The switching device according to claim 1, further comprising a coaxial switch control circuit, wherein the coaxial switch control circuit comprises a single chip, a transistor array and three relays, the single chip is connected with the transistor array, the transistor array is respectively connected with the three relays, and each relay is respectively connected with one coaxial switch.
4. The switching device according to claim 3, further comprising three isolation relays, each isolation relay being connected to a power source and one of the relays.
5. The switching device according to claim 1, further comprising three warning lights, said three warning lights being connected to three of said coaxial switches, respectively.
6. The switching device of claim 1, further comprising six port lights, each of the port lights being connected to a respective one of the ports.
7. The switching device of claim 1, further comprising four toggle switches, one of the toggle switches connected to the power source and three other toggle switches each connected to a coaxial switch.
8. The switching device according to claim 1, further comprising a box, wherein the six ports are disposed on a side of the box, and wherein the three coaxial switches are disposed inside the box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222487947.2U CN218123687U (en) | 2022-09-20 | 2022-09-20 | Switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222487947.2U CN218123687U (en) | 2022-09-20 | 2022-09-20 | Switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218123687U true CN218123687U (en) | 2022-12-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222487947.2U Active CN218123687U (en) | 2022-09-20 | 2022-09-20 | Switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218123687U (en) |
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2022
- 2022-09-20 CN CN202222487947.2U patent/CN218123687U/en active Active
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