CN206135465U - Charging -discharging switching circuit - Google Patents
Charging -discharging switching circuit Download PDFInfo
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- CN206135465U CN206135465U CN201621090158.3U CN201621090158U CN206135465U CN 206135465 U CN206135465 U CN 206135465U CN 201621090158 U CN201621090158 U CN 201621090158U CN 206135465 U CN206135465 U CN 206135465U
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Abstract
The utility model provides a charging -discharging switching circuit belongs to the power equipment field, including converting circuit, switching circuit, load circuit and two at least transmission circuits, converting circuit sets up between two adjacent transmission circuits, and converting circuit's output is continuous with the input of adjacent two transmission circuits respectively, converting circuit's input respectively with the output of two adjacent transmission circuits links to each other. Through set up converting circuit with the power supply of transmission circuit, adjusted by the electricity relation to avoided receiving electric excuse can only follow the limitation that the electric energy was accepted to the power among the prior art, made and to realize the power sharing with other equipment under interim condition.
Description
Technical field
The utility model belongs to field of power, more particularly to charge and discharge electrical switching circuit.
Background technology
In field of intelligent control, product adopts to be received by electrical interface all the way and product itself is powered mostly, but in reality
Because scene is for the restriction of the condition such as electric position, form in the use of border, the electric means of product design originally may be unsuitable for
It is actually used at the scene.
At present product is powered by the typically all simple reception power supply of electrical interface and is used, it is impossible to support the power supply to other equipment
Use demand, cannot realize being shared with the power supply of other equipment under the conditions of temporary demand.
Utility model content
In order to solve shortcoming and defect present in prior art, the utility model is provided for realizing powering and by electricity
Between the charge and discharge electrical switching circuit that switches over.
It is described in order to reach above-mentioned technical purpose, the charge and discharge electrical switching circuit that the utility model is provided, including change-over circuit
The first port of change-over circuit is connected with the first port of transmission circuit, and the second port of the change-over circuit and the transmission are electric
The second port on road is connected, and the first port of the change-over circuit is also connected with the first input port of switching circuit, described turn
The second port for changing circuit is also connected with the second input port of switching circuit, the first output port of the switching circuit with it is negative
The first port for carrying circuit is connected, and the second output port of the switching circuit is connected with the second port of load circuit；
Wherein, the change-over circuit includes the first unilateral change-over circuit and the second unilateral change-over circuit.
Optionally, triode Q1 is provided with the described first unilateral change-over circuit, the base stage of triode Q1 is connected with voltage stabilizing two
Pole pipe DW1, resistance R2 and diode D1, the emitter stage of triode Q1 is parallel with resistance wire F1, and resistance wire F1 is connected with controllable
Silicon T1.
Optionally, triode Q2 is provided with the described second unilateral change-over circuit, the base stage of triode Q2 is connected with voltage stabilizing two
Pole pipe DW2, resistance R4 and diode D2, the emitter stage of triode D2 is parallel with resistance wire F2, and resistance wire F2 is connected with controllable
Silicon T2.
Optionally, the transmission circuit includes the first transmission circuit and the second transmission circuit.
Optionally, load Load1 is provided with first transmission circuit, in second transmission circuit load is provided with
Load2。
The beneficial effect brought of technical scheme that the utility model is provided is：
It is adjusted by the power supply of interface circuit, by electric relation by being arranged on mode switching circuit, it is existing so as to avoid
Having in technology can only be received the limitation of electric energy by electricity excuse from power supply so that can be realized with other equipment under temporary conditions
Power supply is shared.
Description of the drawings
In order to be illustrated more clearly that the technical solution of the utility model, below embodiment will be described needed for be used
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the charge and discharge electrical switching circuit that the utility model is provided；
The unilateral change-over circuit of 1- change-over circuits, 2- switching circuits, 3- load circuits, 4- transmission circuits, 11- first, 12- the
Two unilateral change-over circuits, the transmission circuits of 41- first, the transmission circuits of 42- second.
Specific embodiment
To make structure of the present utility model and advantage clearer, structure of the present utility model is made below in conjunction with accompanying drawing
It is further described through.
Embodiment one
The present embodiment is proposed can be realized for the charge and discharge electrical switching circuit changed by TURP, including change-over circuit 1, described turn
The first port for changing circuit 1 is connected with the first port of transmission circuit 4, the second port of the change-over circuit 1 and the transmission
The second port of circuit 4 is connected, and the first port of the change-over circuit 1 is also connected with the first input port of switching circuit 2, institute
The second port for stating change-over circuit 1 is also connected with the second input port of switching circuit 2, the first output of the switching circuit 2
Port is connected with the first port of load circuit 3, the second output port of the switching circuit 2 and the second end of load circuit 3
Mouth is connected；
Wherein, the change-over circuit includes the first unilateral change-over circuit and the second unilateral change-over circuit.
In force, the charge and discharge electrical switching circuit specifically includes change-over circuit 1, switching circuit 2, load circuit 3, transmission electricity
Road 4, the first transmission circuit 41 and the second transmission circuit 42.
As shown in figure 1, being provided with triode Q1 in the first unilateral change-over circuit 11, it is connected with surely in the base stage of triode Q1
Pressure diode DW1, resistance R2 and diode D1, are parallel with resistance wire F1, resistance wire F1's in the emitter stage of triode Q1
One end is connected with controllable silicon T1.
Triode Q2 is provided with the second unilateral change-over circuit 12, in the base stage of triode Q2 Zener diode is connected with
DW2, resistance R4 and diode D2, in the emitter stage of triode Q2 resistance wire F2 is parallel with, and is connected in one end of resistance wire F2
There is controllable silicon T2.
The first unilateral one side of change-over circuit 11 and second change-over circuit 12 is main by single-way switch conducting power device, load
The part of connection detection circuit and short-circuit protection device etc. three constitutes.In embodiment circuit shown in Fig. 1, by the first transmission circuit
In unidirectional power supply circuits of the power supply of 41 connections to the load supplying of the connection of the second transmission circuit 42, by Q1, DW1, R1, R2, D1
Composition load connection detection circuit, by controllable silicon T1 as switch conduction power device, fuse F1 as short-circuit protection device.
When by electrical connection port B connection load Load2, EB poles, DW1, R2, D1 that the power supply connected by electrical connection port A passes through Q1
A current lead-through loop is formed with Load2 and promote Q1 triode ONs, turned on to controllable silicon T1 outputs by R1 after Q1 conductings
Trigger, after T1 conductings, the power supply connected by electrical connection port A is just electric to receiving by the main current supply circuit being made up of F1 and T1
The load Load2 of Wiring port B connections is powered.And at this time Load2 terminal voltages are close to the electricity connected by electrical connection port A
Source voltage, thus from by electrical connection port B to by electrical connection port A unidirectional power supply circuits in load detecting circuit (by Q2,
DW2, R3, R4, D2 are constituted) pass through without electric current, therefore by electrical connection port B to the unidirectional power supply circuits by electrical connection port A
Cannot turn on, it is ensured that do not produce abnormal interference.In addition after Load2 loads are removed, by the electric current vanishing of controllable silicon T1,
Controllable silicon T1 automatically cuts off, into closed mode.Therefore be not in by electricity after power supply is reconnected by electrical connection port B
Wiring port A and poured in down a chimney phenomenon by power supply between the B of electrical connection port.
When the load Load2 of the connection of the second transmission circuit 42 is in Damage by Short Circuit state, short circuit in unidirectional power supply circuits
Protection device F1 will fuse, and protection is not affected by the power supply of electrical connection port A, and then guarantees the power supply of load circuit 3 not
It is impacted.
When the first transmission circuit 41, and the second transmission circuit 42 all connect power supply, by reasonable selection DW1 and
The parameter of DW2 may insure the unidirectional power supply circuits and the second transmission circuit of first the 41 to the second transmission circuit of transmission circuit 42
Load connection detection circuit degree in the unidirectional power supply circuits of the 42 to the first transmission circuit 41 is not turned on, so that it is guaranteed that first passes
The power supply connected on the transmission of electricity transmission circuit 42 of road 41 and second will not occur pouring in down a chimney existing because of the unidirectional power supply circuits of change-over circuit 1
As.
Two have been simply indicated that in the embodiment circuit shown in Fig. 1 by the change-over circuit 1 in the case of electrical interface and switching
The connected mode of circuit 2, if having it is more by electrical interface in the case of identical circuit is increased according to this principle, herein not
Repeat again.
In addition, when in transmission circuit 4 by the outwards power supply simultaneously of electrical connection port, it is possible to achieve the redundancy of power supply supply
Backup., used as main supply port, remaining supply port is used as stand-by power supply port for i.e. one of supply port.When main confession
During electric port power-off, by the unilateral change-over circuit in cut-in stand-by supply port, stand-by power supply is realized, so as to play standby electricity
Source seamless switching supply, reaches the continual effect of power supply.
The utility model provides charge and discharge electrical switching circuit, including change-over circuit, switching circuit, load circuit and at least
Two transmission circuits, change-over circuit is arranged between adjacent two transmission circuit, the output end of change-over circuit respectively with it is adjacent
The input of two transmission circuits be connected, the input of change-over circuit respectively with the output of two adjacent transmission circuits
End is connected.It is adjusted by the power supply of transmission circuit, by electric relation by being arranged on change-over circuit, so as to avoid prior art
In can only be received the limitation of electric energy from power supply by electricity excuse so that can realize that power supply is total to other equipment under temporary conditions
Enjoy.
Each sequence number in above-described embodiment is for illustration only, does not represent the elder generation during the assembling or use of each part
Afterwards sequentially.
Embodiment of the present utility model is the foregoing is only, it is all in the utility model not to limit the utility model
Spirit and principle within, any modification, equivalent substitution and improvements made etc. should be included in protection model of the present utility model
Within enclosing.
Claims (5)
1. charge and discharge electrical switching circuit, it is characterised in that including change-over circuit, the first port and transmission circuit of the change-over circuit
First port be connected, the second port of the change-over circuit is connected with the second port of the transmission circuit, and the conversion is electric
The first port on road is also connected with the first input port of switching circuit, the second port of the change-over circuit also with switching circuit
The second input port be connected, the first output port of the switching circuit is connected with the first port of load circuit, described to cut
The second output port for changing circuit is connected with the second port of load circuit；
Wherein, the change-over circuit includes the first unilateral change-over circuit and the second unilateral change-over circuit.
2. charge and discharge electrical switching circuit according to claim 1, it is characterised in that be provided with the described first unilateral change-over circuit
The base stage of triode Q1, triode Q1 is connected with Zener diode DW1, resistance R2 and diode D1, the transmitting of triode Q1
Pole is parallel with resistance wire F1, and resistance wire F1 is connected with controllable silicon T1.
3. charge and discharge electrical switching circuit according to claim 1, it is characterised in that be provided with the described second unilateral change-over circuit
The base stage of triode Q2, triode Q2 is connected with Zener diode DW2, resistance R4 and diode D2, the transmitting of triode D2
Pole is parallel with resistance wire F2, and resistance wire F2 is connected with controllable silicon T2.
4. charge and discharge electrical switching circuit according to claim 1, it is characterised in that the transmission circuit includes the first transmission electricity
Road and the second transmission circuit.
5. charge and discharge electrical switching circuit according to claim 4, it is characterised in that be provided with negative in first transmission circuit
Load1 is carried, load Load2 is provided with second transmission circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090158.3U CN206135465U (en) | 2016-09-29 | 2016-09-29 | Charging -discharging switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090158.3U CN206135465U (en) | 2016-09-29 | 2016-09-29 | Charging -discharging switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206135465U true CN206135465U (en) | 2017-04-26 |
Family
ID=58570874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621090158.3U Active CN206135465U (en) | 2016-09-29 | 2016-09-29 | Charging -discharging switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206135465U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111510308A (en) * | 2020-03-24 | 2020-08-07 | 普联技术有限公司 | Data communication equipment and power sharing system |
-
2016
- 2016-09-29 CN CN201621090158.3U patent/CN206135465U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111510308A (en) * | 2020-03-24 | 2020-08-07 | 普联技术有限公司 | Data communication equipment and power sharing system |
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