CN217426595U - Coaxial switch control device - Google Patents
Coaxial switch control device Download PDFInfo
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- CN217426595U CN217426595U CN202220436461.3U CN202220436461U CN217426595U CN 217426595 U CN217426595 U CN 217426595U CN 202220436461 U CN202220436461 U CN 202220436461U CN 217426595 U CN217426595 U CN 217426595U
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Abstract
The utility model relates to a coaxial switch control device, include: the device comprises a power supply connecting piece, a manual transfer switch, a coaxial switch remote transfer module, a switching mode selection module and a coaxial switch, wherein one end of the manual transfer switch is electrically connected with the power supply connecting piece, the other end of the manual transfer switch is electrically connected with the switching mode selection module, one end of the coaxial switch remote transfer module is electrically connected with the power supply connecting piece, and the other end of the coaxial switch remote transfer module is electrically connected with the switching mode selection module; the switching mode selection module is electrically connected with the coaxial switch and has a first state enabling the manual change-over switch to be electrically connected with the coaxial switch and a second state enabling the coaxial switch remote change-over module to be electrically connected with the coaxial switch. The utility model discloses have the switching mode selection module, can switch manual change over switch or coaxial switch remote conversion module and coaxial switch and power connecting piece and form the return circuit, make coaxial switch have manual operation and remote control operation two kinds of modes, can satisfy multiple application scene.
Description
Technical Field
The utility model relates to a wireless communication technology field especially relates to a coaxial switch controlling means.
Background
The main/standby medium wave broadcasting transmitters are configured, a medium wave transmitting antenna needs to be shared, and the coaxial switch is a key device for connecting the main/standby transmitters, the antenna and the dummy load and plays a role in bridging.
The main machine and the standby machine mean that two transmitters can work alternately at the same rebroadcasting frequency (frequency point), and the two transmitters cannot influence each other when working. In actual work, a transmitter in a working state is considered as a host, and another transmitter with the same frequency is considered as a standby; when the host fails, the antenna needs to be switched to use the coaxial switch.
A miniaturized antenna, such as that provided in patent CN202275922U, performs antenna switching by providing a coaxial switch. However, the control device of the conventional coaxial converter has the following problems: switching can basically only be done manually.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a coaxial switch controlling means can provide multiple switching mode.
In order to achieve the above object, the present invention provides a coaxial switch control device, including:
the remote switching device comprises a power supply connecting piece, a manual change-over switch, a coaxial switch remote change-over module, a switching mode selection module and a coaxial switch, wherein one end of the manual change-over switch is electrically connected with the power supply connecting piece, the other end of the manual change-over switch is electrically connected with the switching mode selection module, one end of the coaxial switch remote change-over module is electrically connected with the power supply connecting piece, and the other end of the coaxial switch remote change-over module is electrically connected with the switching mode selection module; the switching mode selection module is electrically connected with the coaxial switch, and the switching mode selection module has a first state in which the manual transfer switch is electrically connected with the coaxial switch and a second state in which the coaxial switch remote transfer module is electrically connected with the coaxial switch; when the coaxial switch remote conversion module is in the second state, the coaxial switch remote conversion module can receive a remote control signal to control the connection or disconnection between the power supply connecting piece and the coaxial switch.
Further, power connector includes connecting seat PH4, connecting seat PH 4's the 1 st pin with the coaxial switch electricity is connected, connecting seat PH 4's the 2 nd pin with manual change over switch the remote conversion module of coaxial switch electricity is connected, manual change over switch the remote conversion module of coaxial switch with the coaxial switch electricity is connected, connecting seat PH4 the manual change over switch form the return circuit between the coaxial switch, perhaps connecting seat PH4 the remote conversion module of coaxial switch form the return circuit between the coaxial switch.
Further, the manual transfer switch comprises a double-pole double-throw switch S2, the first movable contact and the second movable contact pin of the double-pole double-throw switch S2 are electrically connected with the power supply connecting piece, and the first stationary contact and the fourth stationary contact of the double-pole double-throw switch S1 are electrically connected with the switching mode selection module.
Further, the coaxial switch remote conversion module comprises a first machine remote control module and a second machine remote control module, the first machine remote control module and the second machine remote control module are electrically connected with the switching mode selection module, when the first machine remote control module is in a working state or when the second machine remote control module is in a working state, a passage can be formed between the power supply connecting piece and the coaxial switch, and the working states of the first machine remote control module and the second machine remote control module are mutually exclusive.
Further, the first-machine remote control module comprises a first-machine controller, a resistor R4, a resistor R12, a diode D2, a diode D4, a relay K2 and a relay K4, wherein one end of the resistor R12 is electrically connected with the 4 th pin of the first-machine controller, the other end of the resistor R12 is electrically connected with the anode of the diode D2, the cathode of the diode D2 is electrically connected with the 3 rd pin of the first-machine controller, two ends of the winding side of the relay K4 are electrically connected with the 3 rd pin and the 4 th pin of the first-machine controller respectively, the movable contact of the relay K4 is electrically connected with the switching mode selection module, the stationary contact of the relay K4 is electrically connected with the second-machine remote control module, one end of the resistor R4 is electrically connected with the 6 th pin of the first-machine controller, the other end of the resistor R4 is electrically connected with the anode of the diode D4, the cathode of the diode D4 is electrically connected with the 5 th pin of the first-machine controller, two ends of the winding side of the relay K2 are respectively and electrically connected with a pin 5 and a pin 6 of the first-machine controller, a movable contact of the relay K2 is electrically connected with a pin 2 of the power supply connecting piece, and a static contact of the relay K2 is electrically connected with the second-machine remote control module.
Further, the second remote control module includes a second controller, a resistor R2, a resistor R10, a diode D1, a diode D3, a relay K1, and a relay K3, one end of the resistor R2 is electrically connected to the 4 th pin of the second controller, the other end of the resistor R2 is electrically connected to the anode of the diode D1, the cathode of the diode D1 is electrically connected to the 3 rd pin of the second controller, two ends of the winding side of the relay K3 are electrically connected to the 3 rd pin and the 4 th pin of the second controller, respectively, the moving contact of the relay K3 is electrically connected to the switching mode selection module, the stationary contact of the relay K3 is electrically connected to the stationary contact of the relay K2, one end of the resistor R10 is electrically connected to the 6 th pin of the second controller, and the other end of the resistor R10 is electrically connected to the anode of the diode D4, the cathode of the diode D4 is electrically connected with the 5 th pin of the second-machine controller, the two ends of the winding side of the relay K1 are respectively and electrically connected with the 5 th pin and the 6 th pin of the second-machine controller, the movable contact of the relay K1 is electrically connected with the 2 nd pin of the power supply connecting piece, and the static contact of the relay K1 is electrically connected with the static contact of the relay K4.
Further, the switching mode selection module comprises a three-pole double-throw switch S1, wherein the three-pole double-throw switch S1 is provided with a first movable contact, a second movable contact, a first fixed contact, a second fixed contact, a third fixed contact and a fourth fixed contact; the first movable contact is electrically connected with the coaxial switch, the second movable contact is electrically connected with the coaxial switch, the third movable contact is electrically connected with the power supply connecting piece, the first fixed contact is electrically connected with the movable contact of the relay K4, the second movable contact and the fourth fixed contact are electrically connected with the manual change-over switch, and the third fixed contact is electrically connected with the movable contact of the relay K3; the first movable contact can only be connected and conducted with the first fixed contact or the second fixed contact, when the first movable contact is conducted with the first fixed contact, the second movable contact can only be conducted with the third fixed contact, and when the first movable contact is connected and conducted with the second fixed contact, the second movable contact can only be conducted with the fourth fixed contact.
Further, the coaxial switch includes a coaxial switch connection seat PH3, the switch connection seat PH3 has a first pin, a second pin and a third pin, the first pin of the switch connection seat PH3 is electrically connected with the first movable contact of the three-pole double-throw switch S1, the second pin of the switch connection seat PH3 is electrically connected with the power connection member including the connection seat PH4, and the third pin of the switch connection seat PH3 is electrically connected with the second movable contact of the three-pole double-throw switch S1.
Further, the model of the relay K3 and the model of the relay K4 are G5 LA-14.
Further, the model numbers of the diode D1, the diode D2, the diode D3 and the diode D4 are IN 4007.
Compared with the prior art, the utility model provides a coaxial switch controlling means has following beneficial effect:
the utility model discloses have the switching mode selection module, can switch manual change over switch or coaxial switch remote conversion module with coaxial switch and the power connecting piece becomes the return circuit, makes coaxial switch has manual operation and remote control operation dual mode, can satisfy multiple application scene.
Drawings
Fig. 1 is a schematic block diagram of a coaxial switch control device according to an embodiment of the present invention;
fig. 2 is a circuit structure diagram of a coaxial switch control device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a coaxial switch control device according to a first embodiment of the present invention includes: the remote switching device comprises a power supply connecting piece 1, a manual change-over switch 2, a coaxial switch remote switching module 3, a switching mode selection module 4 and a coaxial switch 5, wherein one end of the manual change-over switch 2 is electrically connected with the power supply connecting piece 1, the other end of the manual change-over switch 2 is electrically connected with the switching mode selection module 4, one end of the coaxial switch remote switching module 3 is electrically connected with the power supply connecting piece 1, and the other end of the coaxial switch remote switching module is electrically connected with the switching mode selection module 4; the switching mode selection module 4 is electrically connected with the coaxial switch 5, and the switching mode selection module 4 has a first state of electrically connecting the manual transfer switch 2 with the coaxial switch 5 and a second state of electrically connecting the coaxial switch remote transfer module 3 with the coaxial switch 5; in the first state, the manual change-over switch 2 can be operated to control the connection or disconnection between the power supply connecting piece 1 and the coaxial switch 5, and in the second state, the coaxial switch remote change-over module 3 can receive a remote control signal to control the connection or disconnection between the power supply connecting piece 1 and the coaxial switch 5.
Specifically, the power supply connector 1 includes a connection seat PH4, a pin 1 of the connection seat PH4 is electrically connected to the coaxial switch 5, a pin 2 of the connection seat PH4 is electrically connected to the manual transfer switch 2 and the coaxial switch remote conversion module 3, the manual transfer switch 2 and the coaxial switch remote conversion module 3 are electrically connected to the coaxial switch 5, and a loop is formed among the connection seat PH4, the manual transfer switch 2 and the coaxial switch 5, or a loop is formed among the connection seat PH4, the coaxial switch remote conversion module 3 and the coaxial switch 5; the coaxial switch 5 is operated.
Specifically, the manual transfer switch 2 includes a double-pole double-throw switch S2, the first movable contact and the second movable contact pin of the double-pole double-throw switch S2 are electrically connected to the power supply connector 1, and the first stationary contact and the fourth stationary contact of the double-pole double-throw switch S1 are electrically connected to the switching mode selection module 4.
Specifically, the coaxial switch remote conversion module 3 includes an a-machine remote control module 31 and an b-machine remote control module 32, the a-machine remote control module 31 and the b-machine remote control module 32 are electrically connected to the switching mode selection module 4, the a-machine remote control module 31 or the b-machine remote control module 32 can enable the power supply connection member 1 and the coaxial switch 5 to form a passage, and the working states of the a-machine remote control module 31 and the b-machine remote control module 32 are mutually exclusive.
Specifically, the first-machine remote control module 31 includes a first-machine controller, a resistor R4, a resistor R12, a diode D2, a diode D4, a relay K2, and a relay K4, wherein one end of the resistor R12 is electrically connected to the 4 th pin of the first-machine controller, the other end of the resistor R12 is electrically connected to the anode of the diode D2, the cathode of the diode D2 is electrically connected to the 3 rd pin of the first-machine controller, two ends of the winding side of the relay K4 are electrically connected to the 3 rd pin and the 4 th pin of the first-machine controller, respectively, the movable contact of the relay K4 is electrically connected to the switching mode selection module 4, the stationary contact of the relay K4 is electrically connected to the second-machine remote control module 32, one end of the resistor R4 is electrically connected to the 6 th pin of the first-machine controller, and the other end of the resistor R4 is electrically connected to the anode of the diode D4, the cathode of the diode D4 is electrically connected with the 5 th pin of the first-machine controller, the two ends of the winding side of the relay K2 are respectively electrically connected with the 5 th pin and the 6 th pin of the first-machine controller, the movable contact of the relay K2 is electrically connected with the 2 nd pin of the power supply connecting piece 1, and the stationary contact of the relay K2 is electrically connected with the second-machine remote control module 32.
Specifically, the second-machine remote control module 32 includes a second-machine controller, a resistor R2, a resistor R10, a diode D1, a diode D3, a relay K1 and a relay K3, wherein one end of the resistor R2 is electrically connected to the 4 th pin of the second-machine controller, the other end of the resistor R2 is electrically connected to the anode of the diode D1, the cathode of the diode D1 is electrically connected to the 3 rd pin of the second-machine controller, two ends of the winding side of the relay K3 are electrically connected to the 3 rd pin and the 4 th pin of the second-machine controller, respectively, the movable contact of the relay K3 is electrically connected to the switching mode selection module 4, the stationary contact of the relay K3 is electrically connected to the stationary contact of the relay K2, one end of the resistor R10 is electrically connected to the 6 th pin of the second-machine controller, and the other end of the resistor R10 is electrically connected to the anode of the diode D4, the cathode of the diode D4 is electrically connected with the 5 th pin of the second machine controller, the two ends of the winding side of the relay K1 are respectively and electrically connected with the 5 th pin and the 6 th pin of the second machine controller, the movable contact of the relay K1 is electrically connected with the 2 nd pin of the power supply connecting piece 1, and the static contact of the relay K1 is electrically connected with the static contact of the relay K4.
In the embodiment, the model numbers of the relay K3 and the relay K4 are G5 LA-14. The model of the diode D1, the diode D2, the diode D3 and the diode D4 is IN 4007.
When the first machine remote control module 31 works, the first machine controller supplies power (5V) to the winding side of the relay K2 through the 5 th pin and the 6 th pin, so that a movable contact and a fixed contact of the K2 are attracted, an external interlocking fault occurs in the second machine, if the second machine is in a power-on state, the second machine can be forced to break off high voltage due to the occurrence of the external interlocking fault through the action, and the fault can not occur when the antenna is switched; the No. 3 pin and the No. 4 pin of the A machine controller supply power (5V) to the winding side of the relay K4, so that a movable contact of the K4 is attracted with a fixed contact, the No. 1 pin (zero line) of the power supply connecting piece 1 is directly connected with the No. 2 pin of the power supply connecting piece 1, and the No. 2 pin is transmitted to the coaxial switch 5 through the relay K4 through the relay K1. The coaxial switch 5 is powered through the loop, and the coaxial switch 5 is started to work.
When the second machine remote control module 32 works, the second machine controller supplies power (5V) to the winding side of the relay K1 through the 5 th pin and the 6 th pin, so that a movable contact of the K1 is attracted with a fixed contact, the first machine controller has an external cascading failure, and if the first machine controller is in a power-on state at the moment, the first machine controller can be forced to disconnect high voltage due to the external cascading failure through the action, and the failure is ensured not to occur when the antenna is switched; the machine B controller supplies power (5V) to the winding side of the relay K3 through a No. 3 pin and a No. 4 pin to enable a moving contact of a K3 to be attracted with a fixed contact, a No. 1 pin (zero line) of the power supply connecting piece 1 is directly connected with the coaxial switch 5, and a No. 2 pin of the power supply connecting piece 1 is transmitted to the coaxial switch 5 through the relay K3 through the relay K2. The coaxial switch 5 is powered through the loop, and the coaxial switch 5 is started to work.
Specifically, the switching mode selection module 4 includes a three-pole double-throw switch S1, and the three-pole double-throw switch S1 has a first movable contact, a second movable contact, a first fixed contact, a second fixed contact, a third fixed contact, and a fourth fixed contact; the first movable contact is electrically connected with the coaxial switch 5, the second movable contact is electrically connected with the coaxial switch 5, the third movable contact is electrically connected with the power supply connecting piece 1, the first fixed contact is electrically connected with the movable contact of the relay K4, the second movable contact and the fourth fixed contact are electrically connected with the manual change-over switch 2, and the third fixed contact is electrically connected with the movable contact of the relay K3; the first movable contact can only be connected and conducted with the first fixed contact or the second fixed contact, when the first movable contact is conducted with the first fixed contact, the second movable contact can only be conducted with the third fixed contact, and when the first movable contact is connected and conducted with the second fixed contact, the second movable contact can only be conducted with the fourth fixed contact.
When the first movable contact is connected and conducted with the second fixed contact and the second movable contact is conducted with the fourth fixed contact, the switching mode selection module 4 is in a local operation mode (a first state), neither the first remote control module 31 nor the second remote control module 32 is connected into a circuit, and the working state of the coaxial switch 5 can be adjusted only through the manual change-over switch 2; when the first movable contact is conducted with the first fixed contact and the second movable contact is conducted with the third fixed contact, and the double-pole double-throw switch S2 is in the middle position (the first movable contact and the second movable contact of the double-pole double-throw switch S2 are not in contact with the fixed contacts), the switching mode selection module 4 is in the remote control operation mode (the second state), the first remote control module 31 and the second remote control module 32 are not connected to the circuit, and the operating state of the coaxial switch 5 can be adjusted through the first remote control module 31 and the second remote control module 32.
Specifically, the coaxial switch 5 includes a coaxial switch connection seat PH3, the switch connection seat PH3 has a first pin, a second pin, and a third pin, the first pin of the switch connection seat PH3 is electrically connected to the first movable contact of the three-pole double-throw switch S1, the second pin of the switch connection seat PH3 is electrically connected to the power connector 1 including the connection seat PH4, and the third pin of the switch connection seat PH3 is electrically connected to the second movable contact of the three-pole double-throw switch S1. When the first-machine remote control module 31 works, the first pin and the second pin of the switch connecting seat PH3 are powered; when the second remote control module 32 works, the third pin and the second pin of the switch connecting seat PH3 are powered.
The utility model discloses have the switching mode selection module, can switch manual change over switch 2 or coaxial switch remote conversion module 3 with coaxial switch 5 and power connecting piece 1 becomes the return circuit, makes coaxial switch 5 has manual operation and remote control operation dual mode, can satisfy multiple application scene.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A coaxial switch control apparatus, comprising:
the remote switching device comprises a power supply connecting piece, a manual change-over switch, a coaxial switch remote change-over module, a switching mode selection module and a coaxial switch, wherein one end of the manual change-over switch is electrically connected with the power supply connecting piece, the other end of the manual change-over switch is electrically connected with the switching mode selection module, one end of the coaxial switch remote change-over module is electrically connected with the power supply connecting piece, and the other end of the coaxial switch remote change-over module is electrically connected with the switching mode selection module; the switching mode selection module is electrically connected with the coaxial switch, and the switching mode selection module has a first state in which the manual transfer switch is electrically connected with the coaxial switch and a second state in which the coaxial switch remote transfer module is electrically connected with the coaxial switch; when the coaxial switch remote conversion module is in the second state, the coaxial switch remote conversion module can receive a remote control signal to control the connection or disconnection between the power supply connecting piece and the coaxial switch.
2. A coaxial switch control device according to claim 1, wherein:
the power connector includes connecting seat PH4, the 1 st pin of connecting seat PH4 with the coaxial switch electricity is connected, the 2 nd pin of connecting seat PH4 with manual change over switch the remote conversion module of coaxial switch electricity is connected, manual change over switch the remote conversion module of coaxial switch with the coaxial switch electricity is connected, connecting seat PH4 the manual change over switch form the return circuit between the coaxial switch, perhaps connecting seat PH4 the remote conversion module of coaxial switch form the return circuit between the coaxial switch.
3. A coaxial switch control device as defined in claim 2, wherein:
the manual change-over switch comprises a double-pole double-throw switch S2, a first movable contact and a second movable contact pin of the double-pole double-throw switch S2 are electrically connected with the power supply connecting piece, and a first fixed contact and a fourth fixed contact of the double-pole double-throw switch S2 are electrically connected with the switching mode selection module.
4. A coaxial switch control device according to claim 1, wherein:
the coaxial switch remote conversion module comprises an A-machine remote control module and an B-machine remote control module, the A-machine remote control module and the B-machine remote control module are electrically connected with the switching mode selection module, when the A-machine remote control module is in a working state or when the B-machine remote control module is in a working state, a passage can be formed between the power supply connecting piece and the coaxial switch, and the working states of the A-machine remote control module and the B-machine remote control module are mutually exclusive.
5. A coaxial switch control device as defined in claim 4, wherein:
the first-machine remote control module comprises a first-machine controller, a resistor R4, a resistor R12, a diode D2, a diode D4, a relay K2 and a relay K4, wherein one end of the resistor R12 is electrically connected with the 4 th pin of the first-machine controller, the other end of the resistor R12 is electrically connected with the anode of the diode D2, the cathode of the diode D2 is electrically connected with the 3 rd pin of the first-machine controller, two ends of the winding side of the relay K4 are respectively electrically connected with the 3 rd pin and the 4 th pin of the first-machine controller, the moving contact of the relay K4 is electrically connected with the switching mode selection module, the stationary contact of the relay K4 is electrically connected with the second-machine remote control module, one end of the resistor R4 is electrically connected with the 6 th pin of the first-machine controller, the other end of the resistor R4 is electrically connected with the anode of the diode D4, and the cathode of the diode D4 is electrically connected with the 5 th pin of the first-machine controller, two ends of the winding side of the relay K2 are respectively and electrically connected with a pin 5 and a pin 6 of the first-machine controller, a movable contact of the relay K2 is electrically connected with a pin 2 of the power supply connecting piece, and a static contact of the relay K2 is electrically connected with the second-machine remote control module.
6. A coaxial switch control device as defined in claim 5, wherein:
the second-machine remote control module comprises a second-machine controller, a resistor R2, a resistor R10, a diode D1, a diode D3, a relay K1 and a relay K3, wherein one end of the resistor R2 is electrically connected with the 4 th pin of the second-machine controller, the other end of the resistor R2 is electrically connected with the anode of the diode D1, the cathode of the diode D1 is electrically connected with the 3 rd pin of the second-machine controller, two ends of the winding side of the relay K3 are respectively electrically connected with the 3 rd pin and the 4 th pin of the second-machine controller, the moving contact of the relay K3 is electrically connected with the switching mode selection module, the stationary contact of the relay K3 is electrically connected with the stationary contact of the relay K2, one end of the resistor R10 is electrically connected with the 6 th pin of the second-machine controller, the other end of the resistor R10 is electrically connected with the anode of the diode D4, the cathode of the diode D4 is electrically connected with the 5 th pin of the second-machine controller, two ends of the winding side of the relay K1 are respectively and electrically connected with a 5 th pin and a 6 th pin of the second-machine controller, a movable contact of the relay K1 is electrically connected with a 2 nd pin of the power supply connecting piece, and a static contact of the relay K1 is electrically connected with a static contact of the relay K4.
7. A coaxial switch control device according to claim 6, wherein:
the switching mode selection module comprises a three-pole double-throw switch S1, wherein the three-pole double-throw switch S1 is provided with a first movable contact, a second movable contact, a first fixed contact, a second fixed contact, a third fixed contact and a fourth fixed contact; the first movable contact is electrically connected with the coaxial switch, the second movable contact is electrically connected with the coaxial switch, the first fixed contact is electrically connected with the movable contact of the relay K4, the second movable contact and the fourth fixed contact are electrically connected with the manual change-over switch, and the third fixed contact is electrically connected with the movable contact of the relay K3; the first movable contact can only be connected and conducted with the first fixed contact or the second fixed contact, when the first movable contact is conducted with the first fixed contact, the second movable contact can only be conducted with the third fixed contact, and when the first movable contact is connected and conducted with the second fixed contact, the second movable contact can only be conducted with the fourth fixed contact.
8. A coaxial switch control device according to claim 7, wherein:
the coaxial switch comprises a switch connecting seat PH3, the switch connecting seat PH3 is provided with a first pin, a second pin and a third pin, the first pin of the switch connecting seat PH3 is electrically connected with a first movable contact of the three-pole double-throw switch S1, the second pin of the switch connecting seat PH3 is electrically connected with the power supply connecting piece comprising a connecting seat PH4, and the third pin of the switch connecting seat PH3 is electrically connected with a second movable contact of the three-pole double-throw switch S1.
9. A coaxial switch control device according to claim 6, wherein:
the type of the relay K3 and the type of the relay K4 are G5 LA-14.
10. A coaxial switch control device according to claim 5, wherein:
the model numbers of the diode D1, the diode D2, the diode D3 and the diode D4 are I N4007.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220436461.3U CN217426595U (en) | 2022-03-01 | 2022-03-01 | Coaxial switch control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220436461.3U CN217426595U (en) | 2022-03-01 | 2022-03-01 | Coaxial switch control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217426595U true CN217426595U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220436461.3U Active CN217426595U (en) | 2022-03-01 | 2022-03-01 | Coaxial switch control device |
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| Country | Link |
|---|---|
| CN (1) | CN217426595U (en) |
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- 2022-03-01 CN CN202220436461.3U patent/CN217426595U/en active Active
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