CN216086192U - Power supply fixing device with charge-discharge function - Google Patents
Power supply fixing device with charge-discharge function Download PDFInfo
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- CN216086192U CN216086192U CN202121885017.1U CN202121885017U CN216086192U CN 216086192 U CN216086192 U CN 216086192U CN 202121885017 U CN202121885017 U CN 202121885017U CN 216086192 U CN216086192 U CN 216086192U
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Abstract
The utility model discloses a power supply fixing device with charge and discharge functions.A control circuit is arranged in a containing cavity between an upper cover and a bottom plate; the upper surface of the upper cover is provided with a clamping seat and a power supply interface for fixing an external power supply, the side end of the upper cover is also provided with a corresponding power supply output interface, a Type-c interface and a power switch, and the power supply interface, the power supply output interface, the Type-c interface and the power switch are respectively connected with a control circuit and are controlled by the control circuit to carry out power utilization/power supply/data connection; the bottom of the bottom plate and one side edge of the upper cover are respectively provided with a fixing component used for being connected with the photographic equipment; when the Type-c interface is connected with the electric equipment, the PD controller of the control circuit configures the voltage boosting and reducing controller into a discharging mode, and converts the voltage of the battery pack into the voltage required by the electric equipment; when the Type-c interface is connected with the power supply equipment, the PD controller of the control circuit configures the buck-boost controller into a charging mode, and converts the voltage of the adapter into the charging voltage of the battery pack.
Description
Technical Field
The utility model relates to the power supply battery technology, in particular to a power supply fixing device with a charging and discharging function.
Background
In the movie & TV working process, very power consumptive when photographic equipment uses usually, need guarantee that its electric quantity is sufficient to other auxiliary assembly need supply power simultaneously in the time of the photography in addition, consequently often need external power source to carry out real-time charging, in order to guarantee the normal operating of the work of making a video recording of photography.
However, the existing external power supply is usually very heavy, and the power lines of the photographic equipment, the charging equipment and various equipment make the working site very messy and inconvenient to use; and the existing power supply fixing device can only play a role of fixing the structure, and cannot fundamentally solve the problem of complicated circuits.
Disclosure of Invention
The purpose of the utility model is as follows: the utility model aims to solve the defects in the prior art and provides a power supply fixing device with a charging and discharging function.
The technical scheme is as follows: the utility model discloses a power supply fixing device with a charging and discharging function, which comprises a bottom plate and an upper cover, wherein the upper cover is matched with the bottom plate and covers the upper part of the bottom plate, an accommodating cavity is formed between the bottom plate and the upper cover, and a control circuit is arranged in the accommodating cavity; the upper surface of the upper cover is provided with a clamping seat and a power supply interface for fixing an external power supply, the side end of the upper cover is also provided with a corresponding power supply output interface, a Type-c interface and a power switch, and the power supply interface, the power supply output interface, the Type-c interface and the power switch are respectively connected with a control circuit and are controlled by the control circuit to carry out power utilization/power supply/data connection; the control circuit comprises a PD controller and a buck-boost controller; when the Type-c interface is connected with the electric equipment, the PD controller of the control circuit configures the voltage boosting and reducing controller into a discharging mode, and converts the voltage of the battery pack into the voltage required by the electric equipment; when the Type-c interface is connected with the power supply equipment, the PD controller of the control circuit configures the buck-boost controller into a charging mode, and converts the voltage of the adapter into the charging voltage of the battery pack; the state signal of the PD controller power utilization Sink/power supply Source mode is Role, and the charge and discharge direction control pin of the buck-boost controller is DIR.
Furthermore, four pins of CC1, CC2, DP and DM are arranged on the PD controller in the control circuit and connected to GND; a channel voltage detection pin CH _ V is arranged between the PD controller and the VBUS, a Q5 switching tube is conducted when the voltage is normal, and a Q5 switching tube is closed when the voltage is abnormal; the boost-buck controller is provided with a discharge mode voltage feedback detection pin FB1 and a charge mode battery pack voltage feedback detection pin FB2, and the pin FB1 is connected with the discharge mode voltage feedback detection pin on the PD controller; the buck-boost controller is also provided with detection pins SNS1P and SNS1N of USB output current in a USB input/discharge mode under a charging mode, and detection pins SNS2P and SNS2N of battery discharge current under a battery charging/discharging mode under the charging mode; the buck-boost controller is also respectively provided with driving signals HD1, LD1, HD2 and LD2 which are connected with the switch tube.
Furthermore, one side of the upper cover is also provided with a DC output port and a USB port which are controlled by a control circuit
In order to adapt to different power supply mounting positions and improve the use flexibility, the bottom of the bottom plate and one side edge of the upper cover are respectively provided with a fixing component used for being connected with the photographic equipment; the fixing assembly comprises a fixing seat and a locking handle knob, at least one fixing hole is formed in the fixing seat, a supporting ring is arranged right above the fixing hole, only part of the end face of the bottom of the supporting ring is fixed in contact with the fixing seat, the bottom of the supporting ring is not recessed upwards from the end face fixed by the fixing seat, a strip groove leading to the fixing hole is further formed in the fixing seat, and a locking rod on the locking handle knob transversely penetrates through two ends of the strip groove.
Furthermore, the fixed orifices are two and are symmetrically arranged at two ends of the fixed seat.
Further, still be equipped with spacing push rod on the upper cover, be equipped with V type groove on the cassette, and V type groove opening is outside, and V type groove one side inner wall is equipped with the stopper, inwards promotes spacing push rod and makes the stopper pack up, loosens spacing push rod then the stopper stretch out V type groove inner wall and external power supply support and lean on.
Furthermore, the inner walls of two sides of the V-shaped groove are both recessed inwards to form a triangular strip groove shape.
Has the advantages that: compared with the prior art, the utility model has the following advantages:
(1) the power supply system is provided with a plurality of power interfaces, so that the power supply requirements of different equipment can be met.
(2) According to the utility model, through the additional external battery, alternative uninterrupted power supply can be realized when the electric quantity of the original electricity storage unit is insufficient, and the service working time of the photographic equipment is prolonged.
(3) The utility model can continuously supply power for photographic equipment and peripheral equipment, meets the output voltage requirements of different equipment, has smaller volume, smaller mass and convenient storage, and is convenient to carry and use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a base plate according to the present invention;
FIG. 3 is a schematic diagram of a control circuit according to the present invention;
FIG. 4 is a schematic view of a charging mode according to the present invention;
FIG. 5 is a schematic view of a discharge mode in the present invention;
fig. 6 is a schematic view of the assembly of the base plate and the upper cover in the present invention.
Detailed Description
The technical solution of the present invention is described in detail below, but the scope of the present invention is not limited to the embodiments.
As shown in fig. 1 and 2, the power fixing device with charging and discharging functions of the present invention includes a bottom plate 1 and an upper cover 2, wherein the upper cover 2 is adapted to the bottom plate 1 and covers the bottom plate 1, an accommodating cavity is formed between the bottom plate 1 and the upper cover 2, and a control circuit is arranged in the accommodating cavity; the upper surface of the upper cover 2 is provided with a clamping seat 3 and a power supply interface 4 for fixing an external power supply, the side end of the upper cover 2 is also provided with a corresponding power output interface 5, a Type-c interface 6 and a power switch 9, the power supply interface 4, the power output interface 5, the Type-c interface 6 and the power switch 9 are respectively connected with a control circuit, and are controlled by the control circuit to carry out power utilization/power supply/data connection; the control circuit comprises a PD controller and a buck-boost controller; when the Type-c interface 6 is connected with the electric equipment, the PD controller of the control circuit configures the voltage boosting and reducing controller into a discharging mode, and converts the voltage of the battery pack into the voltage required by the electric equipment; when the Type-c interface 6 is connected with the power supply equipment, the PD controller of the control circuit configures the buck-boost controller into a charging mode, and converts the voltage of the adapter into the charging voltage of the battery pack; the state signal of the PD controller power utilization Sink/power supply Source mode is Role, and the charge and discharge direction control pin of the buck-boost controller is DIR.
As shown in fig. 3 to fig. 5, the PD controller in the control circuit of this embodiment is further provided with four pins CC1, CC2, DP, and DM connected to GND; a channel voltage detection pin CH _ V is arranged between the PD controller and the VBUS, a Q5 switching tube is conducted when the voltage is normal, and a Q5 switching tube is closed when the voltage is abnormal; the boost-buck controller is provided with a discharge mode voltage feedback detection pin FB1 and a charge mode battery pack voltage feedback detection pin FB2, and the pin FB1 is connected with the discharge mode voltage feedback detection pin on the PD controller; the buck-boost controller is also provided with detection pins SNS1P and SNS1N of USB output current in a USB input/discharge mode under a charging mode, and detection pins SNS2P and SNS2N of battery discharge current under a battery charging/discharging mode under the charging mode; the buck-boost controller is also respectively provided with driving signals HD1, LD1, HD2 and LD connected with the switch tube.
As shown in fig. 6, in this embodiment, fixing components for connecting with a photographic apparatus are disposed on the bottom of the bottom plate 1 and one side edge of the upper cover 2, each fixing component includes a fixing base 7 and a locking knob 8, at least one fixing hole 71 is disposed on the fixing base 7, a support ring 72 is disposed right above the fixing hole 71, only part of the end surface of the bottom of the support ring 72 contacts and is fixed to the fixing base 7, the end surface of the bottom of the support ring 72, which is not fixed to the fixing base 7, is recessed upwards to form a corresponding gap 721, the fixing base 7 is further provided with a strip groove 73 leading to the fixing hole 71, and a locking rod on the locking knob 8 traverses two ends of the strip groove 73. Wherein, two fixing holes 71 are provided and symmetrically arranged at two ends of the fixing base 7. At least one power output interface 5 is provided. And an electricity storage unit, such as a storage battery, is arranged in the accommodating cavity and connected with the control circuit, and the electricity storage unit is controlled by the control circuit to supply electricity.
Still be equipped with spacing push rod 32 on the upper cover 2, be equipped with V type groove 31 on the cassette 3, and V type groove 31 opening is outside, and V type groove 31 one side inner wall is equipped with stopper 32, inwards promotes spacing push rod 32 and makes stopper 33 pack up, loosens spacing push rod 32 then stopper 33 stretches out the 3 inner walls of cassette and supports with external power supply and lean on. In order to enhance the installation stability of the whole external battery, the inner walls of the two sides of the V-shaped groove 31 are both recessed inwards to form a triangular groove 311 (the cross section of the triangular groove 311 is V-shaped).
The specific use method of the utility model is as follows:
in advancing the joint portion of the external battery of adaptation along V type groove 31 cassette 3, stopper 33 firmly supports the joint portion that leans on external battery under the effect of elastomeric element (for example compression spring etc.), increases the steadiness. Then connect power supply interface 4, supply power for corresponding equipment through each power output interface 5, can also carry out quick charge or data connection through Type-c interface 6, or the D-TAP interface charges.
Then pass the support column on the photographic camera equipment with fixed orifices 71 and the lock ring 72 on the fixing base 7 in proper order to rotatory locking knob 8 and then drive the rotation of locking lever 81 and make strip groove 73 self both sides paste tightly mutually, finally make fixed orifices 71 aperture diminish and tightly fix the support column of photographic camera equipment, when the angle between needs adjustment power fixing device and the photographic camera equipment, loosen locking knob 8 and adjust can.
Claims (7)
1. The utility model provides a power fixing device with charge-discharge function which characterized in that: the device comprises a bottom plate and an upper cover, wherein the upper cover is matched with the bottom plate and covers the bottom plate, an accommodating cavity is formed between the bottom plate and the upper cover, and a control circuit is arranged in the accommodating cavity; the upper surface of the upper cover is provided with a clamping seat and a power supply interface for fixing an external power supply, the side end of the upper cover is also provided with a corresponding power supply output interface, a Type-c interface and a power switch, and the power supply interface, the power supply output interface, the Type-c interface and the power switch are respectively connected with a control circuit and are controlled by the control circuit to carry out power utilization/power supply/data connection;
the control circuit comprises a PD controller and a buck-boost controller; when the Type-c interface is connected with the electric equipment, the PD controller of the control circuit configures the voltage boosting and reducing controller into a discharging mode, and converts the voltage of the battery pack into the voltage required by the electric equipment; when the Type-c interface is connected with the power supply equipment, the PD controller of the control circuit configures the buck-boost controller into a charging mode, and converts the voltage of the adapter into the charging voltage of the battery pack;
the state signal of the PD controller power utilization Sink/power supply Source mode is Role, and the charge and discharge direction control pin of the buck-boost controller is DIR.
2. The power supply fixing device with the charge and discharge functions as claimed in claim 1, wherein: four pins of CC1, CC2, DP and DM are also arranged on the PD controller in the control circuit and are connected with GND; a channel voltage detection pin CH _ V is arranged between the PD controller and the VBUS, a Q5 switching tube is conducted when the voltage is normal, and a Q5 switching tube is closed when the voltage is abnormal;
the boost-buck controller is provided with a discharge mode voltage feedback detection pin FB1 and a charge mode battery pack voltage feedback detection pin FB2, and the pin FB1 is connected with the discharge mode voltage feedback detection pin on the PD controller; the buck-boost controller is also provided with detection pins SNS1P and SNS1N of USB output current in a USB input/discharge mode under a charging mode, and detection pins SNS2P and SNS2N of battery discharge current under a battery charging/discharging mode under the charging mode;
the buck-boost controller is also respectively provided with driving signals HD1, LD1, HD2 and LD2 which are connected with the switch tube.
3. The power source fixture device of claim 1, wherein: and a DC output port and a USB port are also arranged on one side of the upper cover and are controlled by a control circuit.
4. The power supply fixing device with the charge and discharge functions as claimed in claim 1, wherein: the bottom of the bottom plate and one side edge of the upper cover are respectively provided with a fixing component used for being connected with photographic equipment; the fixing assembly comprises a fixing seat and a locking handle knob, at least one fixing hole is formed in the fixing seat, a supporting ring is arranged right above the fixing hole, only part of the end face of the bottom of the supporting ring is fixed in contact with the fixing seat, the bottom of the supporting ring is not recessed upwards from the end face fixed by the fixing seat, a strip groove leading to the fixing hole is further formed in the fixing seat, and a locking rod on the locking handle knob transversely penetrates through two ends of the strip groove.
5. The power supply fixture device of claim 4, wherein: the fixed orifices are two and are symmetrically arranged at two ends of the fixed seat.
6. The power supply fixture device of claim 4, wherein: the upper cover is further provided with a limiting push rod, the clamping seat is provided with a V-shaped groove, the opening of the V-shaped groove is outward, the inner wall of one side of the V-shaped groove is provided with a limiting block, the limiting push rod is pushed inwards to enable the limiting block to be folded, and the limiting block stretches out of the inner wall of the V-shaped groove to be abutted against an external power supply when the limiting push rod is loosened.
7. The power source fixture of claim 6, wherein: the inner walls of the two sides of the V-shaped groove are both recessed inwards to form a triangular strip groove shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121885017.1U CN216086192U (en) | 2021-08-12 | 2021-08-12 | Power supply fixing device with charge-discharge function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121885017.1U CN216086192U (en) | 2021-08-12 | 2021-08-12 | Power supply fixing device with charge-discharge function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216086192U true CN216086192U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121885017.1U Active CN216086192U (en) | 2021-08-12 | 2021-08-12 | Power supply fixing device with charge-discharge function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216086192U (en) |
-
2021
- 2021-08-12 CN CN202121885017.1U patent/CN216086192U/en active Active
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