CN208316691U - Expansible power splitter - Google Patents
Expansible power splitter Download PDFInfo
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- CN208316691U CN208316691U CN201821323002.4U CN201821323002U CN208316691U CN 208316691 U CN208316691 U CN 208316691U CN 201821323002 U CN201821323002 U CN 201821323002U CN 208316691 U CN208316691 U CN 208316691U
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Abstract
The utility model provides a kind of expansible power splitter, including pcb board, input connector, two output connecting heads and two groups of impedance electronic components, impedance transformation regions are provided on pcb board, three tunnels or more are provided in impedance transformation regions into the impedance line of shape in parallel, pre-welding position is provided on each impedance line, the pre- welding position of connector of input connector and three or more are respectively arranged on the pcb board of the outside of impedance transformation regions, the input terminal for inputting the impedance line on connector and three tunnels or more is electrically connected, the pre- welding position of three or more connectors is electrically connected with the output end of impedance lines more than three tunnels respectively；Two groups of impedance electronic components respectively correspondingly weld on the pre-welding position of wherein two-way impedance line, and form two-way impedance inverter circuit.The utility model people can according to need to be extended on one-to-two power splitter, and one-to-two power splitter is extended to one point of three power splitter, one point of four power splitter, one point of five power splitter.
Description
Technical field
The utility model relates to power splitter technical fields, more particularly, to a kind of expansible power splitter.
Background technique
Power splitter full name power divider, English name Power divider are a kind of input signal energy will to be divided into all the way
The device of two-way or the equal or unequal energy of multiple-channel output can also in turn export the synthesis of multiple signals energy all the way, this
When can be also referred to as combiner.Power splitter important technological parameters power loss (including insertion loss, distribution loss and reflection damage
Consumption), the voltage standing wave ratio of each port, isolation, amplitude balance between power distribution port, phase balance, power capacity
With frequency bandwidth etc..The output of existing power splitter is usually fixed, i.e., power splitter is generally divided into one-to-two (one by output
Two outputs of a input), one point three (one input three output), one point four (four outputs of an input), one point five (one
Input five outputs) etc., people can only carry out the type of selection power splitter as needed.
Utility model content
From the discussion above it is recognised that there are many type of existing power splitter, people are as needed during use
The type for selecting power splitter, will result in waste inconvenient to use, and will also result in certain resource in this way.The utility model
A kind of expansible power splitter is provided, people can according to need, the power splitter is extended to different type power splitter, e.g.,
Be extended on the basis of one-to-two power splitter (one input two output) one point of three power splitter (three outputs of an input),
One point of four power splitter (four outputs of an input), one point of five power splitter (five outputs of an input) etc..
The technical solution of the utility model is: providing a kind of expansible power splitter, including pcb board, input connector, two
A output connecting head and two groups of impedance electronic components, are provided with impedance transformation regions on the pcb board, become in the impedance
It changes in region and is provided with three tunnels or more into the impedance line of shape in parallel, be provided with pre-welding position on each described impedance line
It sets, the input connector and three or more is respectively arranged on the pcb board of the outside of the impedance transformation regions
The input terminal of the pre- welding position of connector, the impedance line for inputting connector and three tunnels or more is electrically connected, and three or more
The pre- welding position of the connector respectively with the output end of the impedance lines more than three tunnels be electrically connected；
Impedance electronic component described in two groups respectively correspondingly welds the prewelding of the impedance line described in wherein two-way
It connects on position, and forms two-way impedance inverter circuit；Two output connecting heads are respectively correspondingly welded on two of them institute
It states on the pre- welding position of connector, impedance inverter circuit described in two-way electrically conducts with two output connecting heads respectively.
It further include shell as the improvement to the utility model, the shell is removably disposed on the pcb board,
Or the shell is welded on the pcb board, and the impedance transformation regions are located at the inside of the shell.
As the improvement to the utility model, it is provided with card hole on the pcb board of the impedance transformation regions surrounding,
Buckle is provided on the open end of the shell, the shell is described by the buckle and being fitted to for the card hole
On pcb board.
As the improvement to the utility model, annular recess is provided on the pcb board, the open end of the shell is set
It sets in the annular recess.
As the improvement to the utility model, the pre-welding position is that welding hole, pad, welding groove or welding are convex
It rises.
As the improvement to the utility model, the pre-welding position include the pre- welding position of inductance and the pre- welding position of capacitor and
At least one of sub- pre- welding position of capacitor, the pre- welding position of capacitor be located at the pre- welding position of the inductance side or/and it is described son electricity
Hold the other side that pre- welding position is located at the pre- welding position of the inductance.
As the improvement to the utility model, the impedance electronic component includes inductance and capacitor, the inductance and institute
Capacitor is stated to be respectively welded on the pre- welding position of the inductance and the pre- welding position of the capacitor.
As the improvement to the utility model, the impedance electronic component further includes sub- capacitor, the sub- capacitor welding
On the sub- pre- welding position of capacitor.
As the improvement to the utility model, the both ends of the inductance connect with the input connector and the output respectively
Connector is electrically connected, and the route between one end of the capacitor and the input connector and the inductance is electrically connected, described
The other end of capacitor is grounded, and the route between one end and the output connecting head and the inductance of the sub- capacitor electrically connects
It connects, the other end ground connection of the sub- capacitor.
As the improvement to the utility model, the pre- welding position of connector is the pre- welding hole of connector, the pre- pad of connector, company
Connector pre-welding groove or connector pre-welding protrusion.
As the improvement to the utility model, the quantity of the output connecting head is three or more, the impedance electronic member
The quantity of device is three groups or more；Three groups or more of the impedance electronic component is respectively correspondingly welded on the institute on three tunnels or more
It states on the pre-welding position of impedance line, and forms the impedance inverter circuit on three tunnels or more；Three or more described
Output connecting head is respectively correspondingly welded on three or more the pre- welding positions of the connector, impedance transformation more than three tunnels
Circuit electrically conducts with three or more the output connecting heads respectively.
The utility model is incited somebody to action due to being provided with three tunnels or more in impedance transformation regions into the impedance line of shape in parallel
Two groups of impedance electronic components respectively correspondingly weld on the pre-welding position of wherein two-way impedance line, and then form two-way
Impedance inverter circuit, at this moment power splitter is exactly one-to-two power splitter to be extended；During use, people can be according to need
Will on one-to-two power splitter to be extended, by one group or more of impedance electronic component be accordingly welded on it is remaining all the way more than
Impedance line pre-welding position on, so that one-to-two power splitter is extended to one point of three power splitter, one point of four power splitter, one
Divide five power splitters, has many advantages, such as that easy to use, structure is simple, economizes on resources, extending conveniently and function is more.
Detailed description of the invention
Fig. 1 is the planar structure schematic diagram of an embodiment of the present invention.
Fig. 2 is the circuit theory schematic diagram of Fig. 1.
Fig. 3 is the circuit theory schematic diagram of another embodiment of the utility model.
Fig. 4 is the circuit theory schematic diagram of the third embodiment of the utility model.
Fig. 5 is the circuit theory schematic diagram of the 4th kind of embodiment of the utility model.
Wherein: 1, pcb board；11, impedance transformation regions；111, the pre- welding position of inductance；112, the pre- welding position of capacitor；113, sub- capacitor
Pre- welding position；114, the pre- welding position of connector；115, card hole；12, inductance；13, capacitor；14, sub- capacitor；2, connector is inputted；3, defeated
Connector out.
Specific embodiment
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection ", " connected " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to dismantling connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, be also possible to indirectly connected through an intermediary,
It can be the connection of two component internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Referring to Figure 1 and Fig. 2, Fig. 1 are revealed is a kind of embodiment of expansible power splitter, and Fig. 2 is the embodiment
Described in power splitter circuit diagram, the power splitter is one-to-two power splitter to be extended (two outputs of an input), described
Power splitter includes pcb board 1, input 2, two output connecting heads 3 of connector and two groups of impedance electronic components (not identifying).
In the present embodiment, impedance transformation regions 11 are provided on the pcb board 1, in the impedance transformation regions 11
Three tunnels or more are provided with into the impedance line (not drawing) of shape in parallel, are provided with pre-welding position on each described impedance line
It sets and (does not identify).In the present embodiment, the quantity of the impedance line is 5, this is merely illustrative, and the utility model is unlimited
In this.
The input connector 2 and three is respectively arranged on the pcb board 1 of the outside of the impedance transformation regions 11
A above pre- welding position 114 of connector, the input connector 2 and the input terminal of the impedance lines more than three tunnels electrically connect
It connecing, the pre- welding position 114 of three or more the connectors is electrically connected with the output end of the impedance lines more than three tunnels respectively,
The quantity of the pre- welding position 114 of the quantity of the impedance line and the connector is identical.The input connector 2 is located at the impedance
The side of domain transformation 11, the pre- welding position 114 of three or more the connectors are located at the other side of the impedance transformation regions 11,
The position of the pre- welding position 114 of the connector about the input connector 2 and three or more is above-mentioned to be merely illustrative, this reality
With novel without being limited thereto.
In the present embodiment, impedance electronic component described in two groups respectively correspondingly welds impedance line described in two-way wherein
The pre-welding position on, and form two-way impedance inverter circuit.Two output connecting heads 3 are respectively correspondingly welded on
On the pre- welding position 114 of connector described in two of them, impedance inverter circuit described in two-way is electric with two output connecting heads 3 respectively
Property conducting, impedance inverter circuit described in two-way is in parallel between each other.
The pre-welding position is welding hole, pad, welding groove or solder-bump, and the pre-welding position includes inductance
The pre- welding position 112 of pre- welding position 111, capacitor and the pre- welding position 113 of sub- capacitor, the pre- welding position 112 of capacitor and the pre- welding position of sub- capacitor
113 are located at the two sides of the pre- welding position 111 of the inductance.
The impedance electronic component includes that inductance 12, capacitor 13 and sub- capacitor 14(refer to Fig. 2), the inductance 12,
The capacitor 13 and the sub- capacitor 14 are respectively welded at the pre- welding position 111 of the inductance, the pre- welding position 112 of the capacitor and the son
On the pre- welding position 113 of capacitor.The both ends of the inductance 12 electrically connect with the input connector 2 and the output connecting head 3 respectively
It connects, the route between one end of the capacitor 13 and the input connector 2 and the inductance 12 is electrically connected, the capacitor 13
Other end ground connection, the route between one end and the output connecting head 3 and the inductance 12 of the sub- capacitor 14 electrically connects
It connects, the other end ground connection of the sub- capacitor 14.It should be noted that impedance inverter circuit described in two-way is identical, belong to one-to-two
Power splitter, impedance inverter circuit described in two-way is by input impedance conversion at the identical two parts of output impedances of numerical value.
In the present embodiment, the pre- welding position 114 of connector is the pre- welding hole of connector, the pre- pad of connector, connector prewelding
Connect groove or connector pre-welding protrusion.The quantity of the output connecting head 3 is three or more (not drawing), the impedance electronic
The quantity of component is three groups or more (not drawing)；Three groups or more of the impedance electronic component is respectively correspondingly welded on three
On the pre-welding position of the impedance line more than road, and form the impedance inverter circuit on three tunnels or more；Three
Above output connecting head 3 is respectively correspondingly welded on three or more the pre- welding positions 114 of the connector, more than three tunnels
The output connecting head 3 of the impedance inverter circuit respectively with three or more electrically conduct.
It further include shell (not drawing), the shell is removably disposed on the pcb board 1 or institute in the present embodiment
It states shell to be welded on the pcb board 1, and the impedance transformation regions 11 are located at the inside of the shell.In the impedance
It is provided with card hole 115 on the pcb board 1 of 11 surrounding of domain transformation, buckle is provided on the open end of the shell, it is described
Shell is fitted on the pcb board 1 by the buckle with the card hole 115.Ring is provided on the pcb board 1
Shape groove (is not drawn), and the open end of the shell is arranged in the annular recess.The benefit of the shell is, for protecting
The impedance electronic component in the impedance transformation regions 11.
In the present embodiment, the impedance inverter circuit is π type, and the impedance inverter circuit can also be L-type or T-type (not
It draws).When the impedance inverter circuit is L-type, the pre-welding position includes the pre- welding position 111 of inductance and the pre- welding position of capacitor
112 and the pre- welding position 113 of sub- capacitor in one, the pre- welding position 112 of capacitor is located at the side of the pre- welding position 111 of the inductance, or
The pre- welding position 113 of sub- capacitor is located at the other side of the pre- welding position 111 of the inductance.The impedance electronic component includes inductance
12, the inductance 12 is welded on the pre- welding position 111 of the inductance, and the impedance electronic component further includes capacitor 13 or sub- capacitor
14, the capacitor 13 or the sub- capacitor 14 are welded on the pre- welding position of the capacitor or the pre- welding position of sub- capacitor.
Refer to Fig. 3, Fig. 3 is revealed be expansible power splitter another embodiment circuit diagram, the present embodiment
In the power splitter be extended on the basis of one-to-two power splitter one point of three power splitter (one input three output), knot
The structure of structure and Fig. 1 and the power splitter shown in Fig. 2 is essentially identical.Difference is:
The quantity of the output connecting head 3 is three, and the quantity of the impedance electronic component is three groups；It is hindered described in three groups
Anti- electronic component is respectively correspondingly welded on the pre-welding position of impedance line described in three tunnels, and is formed described in three tunnels
Impedance inverter circuit；Three output connecting heads 3 are respectively correspondingly welded on three pre- welding positions 114 of connector, and three
Impedance inverter circuit described in road electrically conducts with three output connecting heads 3 respectively.It should be noted that impedance described in three tunnels
Translation circuit is identical, belongs to one point of three power splitter, and impedance inverter circuit described in three tunnels is identical at numerical value by input impedance conversion
Three parts of output impedances.
Refer to Fig. 4, Fig. 4 is revealed be expansible power splitter the third embodiment circuit diagram, the present embodiment
In the power splitter be extended on the basis of one-to-two power splitter one point of four power splitter (one input four output), knot
The structure of structure and Fig. 1 and the power splitter shown in Fig. 2 is essentially identical.Difference is:
The quantity of the output connecting head 3 is four, and the quantity of the impedance electronic component is four groups；It is hindered described in four groups
Anti- electronic component is respectively correspondingly welded on the pre-welding position of impedance line described in four tunnels, and is formed described in four tunnels
Impedance inverter circuit；Four output connecting heads 3 are respectively correspondingly welded on four pre- welding positions 114 of connector, and four
Impedance inverter circuit described in road electrically conducts with four output connecting heads 3 respectively.It should be noted that impedance described in four tunnels
Translation circuit is identical, belongs to one point of four power splitter, and impedance inverter circuit described in four tunnels is identical at numerical value by input impedance conversion
Four parts of output impedances.
Refer to Fig. 5, Fig. 5 is revealed be expansible power splitter the 4th kind of embodiment circuit diagram, the present embodiment
In the power splitter be extended on the basis of one-to-two power splitter one point of five power splitter (one input five output), knot
The structure of structure and Fig. 1 and the power splitter shown in Fig. 2 is essentially identical.Difference is:
The quantity of the output connecting head 3 is five, and the quantity of the impedance electronic component is five groups；It is hindered described in five groups
Anti- electronic component is respectively correspondingly welded on the pre-welding position of impedance line described in five tunnels, and is formed described in five tunnels
Impedance inverter circuit；Five output connecting heads 3 are respectively correspondingly welded on five pre- welding positions 114 of connector, and five
Impedance inverter circuit described in road electrically conducts with five output connecting heads 3 respectively.It should be noted that impedance described in five tunnels
Translation circuit is identical, belongs to one point of five power splitter, and impedance inverter circuit described in five tunnels is identical at numerical value by input impedance conversion
Five parts of output impedances.
The utility model in the impedance transformation regions due to being provided with three tunnels or more into the impedance line of shape in parallel
Road, and impedance electronic component described in two groups is respectively correspondingly welded to the prewelding of the impedance line described in wherein two-way
It connects on position, and then forms two-way impedance inverter circuit, at this moment the power splitter is exactly one-to-two power splitter to be extended；Make
During, people be can according to need on one-to-two power splitter to be extended, by one group or more of the impedance electronic
Component is accordingly welded on the pre-welding position of the remaining above impedance line all the way, thus by one-to-two function
Device is divided to be extended to one point of three power splitter, one point of four power splitter, one point of five power splitter, with easy to use, structure is simple, saves money
The advantages that source, extension are conveniently and function is more.
It should be noted that being explained in detail for the respective embodiments described above, purpose be only that the utility model into
Row explain, in order to be able to preferably explanation the utility model, still, these description cannot with any explanation at be to this
The limitation of utility model, in particular, each feature described in various embodiments can also mutual any combination, thus
Other embodiments are formed, in addition to there is clearly opposite description, these features should be understood to can be applied to any one reality
It applies in mode, and is not limited merely to described embodiment.
Claims (10)
1. a kind of expansible power splitter, it is characterised in that: including pcb board, input connector, two output connecting heads and two groups
Impedance electronic component is provided with impedance transformation regions on the pcb board, and three tunnels are provided in the impedance transformation regions
Above at the impedance line of shape in parallel, it is provided with pre-welding position on each described impedance line, is converted in the impedance
The pre- welding position of connector of the input connector and three or more are respectively arranged on the pcb board of the outside in region, it is described
The input terminal for inputting the impedance line on connector and three tunnels or more is electrically connected, three or more the pre- welding positions of the connector
It is electrically connected respectively with the output end of the impedance lines more than three tunnels；
Impedance electronic component described in two groups respectively correspondingly welds the pre-welding position of the impedance line described in wherein two-way
It sets, and forms two-way impedance inverter circuit；Two output connecting heads, which are respectively correspondingly welded on described in two of them, to be connected
On the pre- welding position of connector, impedance inverter circuit described in two-way electrically conducts with two output connecting heads respectively.
2. expansible power splitter according to claim 1, it is characterised in that: further include shell, the shell is detachable
Ground is arranged on the pcb board or the shell is welded on the pcb board, and the impedance transformation regions are positioned at described
The inside of shell.
3. expansible power splitter according to claim 2, it is characterised in that: in the institute of the impedance transformation regions surrounding
State and be provided with card hole on pcb board, be provided with buckle on the open end of the shell, the shell by the buckle with it is described
Card hole is fitted on the pcb board.
4. expansible power splitter according to claim 1 or 2, it is characterised in that: the pre-welding position be welding hole,
Pad, welding groove or solder-bump.
5. expansible power splitter according to claim 1 or 2, it is characterised in that: the pre-welding position includes inductance
Pre- welding position and at least one of the pre- welding position of capacitor and the pre- welding position of sub- capacitor, it is pre- that the pre- welding position of capacitor is located at the inductance
The side of welding position or/and the pre- welding position of sub- capacitor are located at the other side of the pre- welding position of the inductance.
6. expansible power splitter according to claim 5, it is characterised in that: the impedance electronic component includes inductance
And capacitor, the inductance and the capacitor are respectively welded on the pre- welding position of the inductance and the pre- welding position of the capacitor.
7. expansible power splitter according to claim 6, it is characterised in that: the impedance electronic component further includes son
Capacitor, the sub- capacitor are welded on the pre- welding position of sub- capacitor.
8. expansible power splitter according to claim 7, it is characterised in that: the both ends of the inductance respectively with it is described defeated
Enter connector and the output connecting head is electrically connected, between one end of the capacitor and the input connector and the inductance
Route be electrically connected, the other end of capacitor ground connection, one end of the sub- capacitor and the output connecting head and the electricity
Route between sense is electrically connected, the other end ground connection of the sub- capacitor.
9. expansible power splitter according to claim 1 or 2, it is characterised in that: the pre- welding position of connector is connection
Pre- welding hole, the pre- pad of connector, connector pre-welding groove or connector pre-welding protrusion.
10. expansible power splitter according to claim 1 or 2, it is characterised in that: the quantity of the output connecting head is
Three or more, the quantity of the impedance electronic component is three groups or more；Three groups or more of impedance electronic component difference
It is accordingly welded on the pre-welding position of the impedance line on three tunnels or more, and forms the impedance on three tunnels or more
Translation circuit；Three or more the output connecting heads are respectively correspondingly welded on three or more the pre- welding positions of the connector
On, the output connecting head of the impedance inverter circuit respectively with three or more more than three tunnels electrically conducts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821323002.4U CN208316691U (en) | 2018-08-16 | 2018-08-16 | Expansible power splitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821323002.4U CN208316691U (en) | 2018-08-16 | 2018-08-16 | Expansible power splitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208316691U true CN208316691U (en) | 2019-01-01 |
Family
ID=64718109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821323002.4U Active CN208316691U (en) | 2018-08-16 | 2018-08-16 | Expansible power splitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208316691U (en) |
-
2018
- 2018-08-16 CN CN201821323002.4U patent/CN208316691U/en active Active
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