CN211880297U - Power supply unit of image monitoring communication box - Google Patents
Power supply unit of image monitoring communication box Download PDFInfo
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- CN211880297U CN211880297U CN202020403339.7U CN202020403339U CN211880297U CN 211880297 U CN211880297 U CN 211880297U CN 202020403339 U CN202020403339 U CN 202020403339U CN 211880297 U CN211880297 U CN 211880297U
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Abstract
The utility model discloses a power supply unit of image monitoring communication box. The circuit board comprises a ring transformer and a circuit board, wherein the circuit board comprises a rectifying and filtering circuit, the voltage input end is connected with the ring transformer, the ring transformer is connected with the rectifying and filtering circuit, the rectifying and filtering circuit is provided with a voltage output port, the ring transformer is provided with a voltage output port, and the voltage output port is connected with an external ball machine; or the circuit board comprises a rectifying and filtering circuit, an alternative switch and a remote switch controller, the alternative switch and the remote switch controller are adopted to control whether the output port is alternating current or alternating current, and the voltage output port is connected with an external ball machine. The scheme enables the specification selection of the output voltage provided by the communication box to be more flexible, and the communication box is more adaptive to ball machines of different scenes and different types.
Description
Technical Field
The utility model relates to a communication equipment technical field, especially a power supply unit of image monitoring communication case.
Background
A24V power supply specially used for supplying power for a high-definition dome camera (dome camera for short) is usually arranged in an image monitoring communication box, but the image monitoring communication box often has the following problems that (1) different dome camera manufacturers have different power supply requirements of different dome camera specifications, and 24V direct current and 24V alternating current are also available; (2) the situation that whether the voltage is 24V direct current or 24V alternating current cannot be determined frequently occurs in the purchasing process of an integrator, and the product is difficult to customize; (3) the situation that the 24V voltage configuration is inconsistent with the voltage specification required by the field ball machine can occur in the using process of the communication box, for example, the requirement of the ball machine is 24V alternating current, but the 24V direct current configured by the communication box brings difficulty and loss to field application.
In the prior art, in order to avoid such a situation, a method of configuring a dual-specification power supply is adopted, that is, a switching power supply for converting 220V ac power into 24V dc power with high power (for example, 100W) and a toroidal transformer for converting 220V into 24V ac power with high power are configured at the same time, so that the problem that the site may be in a direct current 24V requirement or an alternating current 24V requirement is solved, but the cost of a communication box is greatly increased, and the part of the communication box is greatly wasted.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: in view of the above existing problems, a power supply unit of an image monitoring communication box is provided.
The utility model adopts the technical scheme as follows: a power supply unit of an image monitoring communication box comprises a ring transformer and a circuit board, wherein the circuit board comprises a rectifying and filtering circuit, the ring transformer is connected with a voltage input end, the ring transformer is connected with the rectifying and filtering circuit, the rectifying and filtering circuit is provided with a voltage output end, the ring transformer is provided with a voltage output end, and the voltage output end is connected with an external ball machine; or the circuit board comprises a rectifying and filtering circuit, an alternative switch and a remote switch controller, wherein a voltage input end is connected with a ring transformer, the ring transformer is connected with the rectifying and filtering circuit, the ring transformer and the rectifying and filtering circuit are both connected with the alternative switch, the alternative switch is connected with the remote switch controller, the remote switch controller is provided with a voltage output end, and the voltage output end is connected with an external ball machine.
Furthermore, the power supply unit of the image monitoring communication box further comprises a panel indicator light for indicating direct current or alternating current, and the remote switch controller is connected with the panel indicator light.
Furthermore, the power supply unit of the image monitoring communication box further comprises a panel switch, and the panel switch is connected with the alternative switch.
Further, the voltage output end outputs 24V alternating current voltage or 24V direct current voltage.
Further, 220V alternating current voltage is input to the voltage input end.
Further, the voltage output end outputs 24V alternating current voltage or 24V direct current voltage, and the voltage input end inputs 220V alternating current voltage.
Compared with the prior art, the beneficial effects of adopting the technical scheme are as follows: the utility model provides a utility model adopts toroidal transformer and rectifier filter cooperation, and toroidal transformer exports alternating current all the way, another way passes through rectifier filter output direct current, makes the output voltage's that the communication box provided specification selection more nimble, makes the communication box stronger to the adaptability of different scenes, different grade type ball machine.
Drawings
Fig. 1 is a schematic structural diagram of a power supply unit of the image monitoring communication box of the present invention.
Fig. 2 is another schematic structural diagram of the power supply unit of the image monitoring communication box of the present invention.
Fig. 3 is another schematic structural diagram of the power supply unit of the image monitoring communication box of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
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.
A power supply unit of an image monitoring communication box is shown in figure 1 and comprises a ring transformer and a circuit board, wherein the circuit board comprises a rectifying and filtering circuit, the ring transformer is connected with a voltage input end, one path of the ring transformer is connected with the rectifying and filtering circuit, the rectifying and filtering circuit outputs direct current, and the other path of the ring transformer outputs alternating current; therefore, based on the utility model discloses a toroidal transformer and rectification filter circuit acquire AC output all the way and DC output all the way.
Based on the structure of the toroidal transformer and the rectifying and filtering circuit, one of the design schemes is as follows: as shown in fig. 2, the ac output of the toroidal transformer and the dc output of the rectifying and filtering circuit are directly connected to an external ball machine; the ac output and the dc output of this solution are two output ports. By taking the 24V power supply requirement of the ball machine as an example, by adopting the scheme, the communication box leaves the factory and is provided with the 24V alternating current port and the 24V direct current port at the same time, so that a user can select the communication box according to the field condition without confirming in advance whether the alternating current or the direct current is required; according to the scheme, because the price of the rectifying and filtering circuit is low, the design cost for obtaining 24V alternating current is low, and the cost of the communication box can be greatly reduced; this solution will also be greatly facilitated for production and user use.
The other design scheme is as follows: as shown in fig. 3, the circuit board includes, in addition to the rectifying and filtering circuit, an alternative switch and a remote switch controller, where the toroidal transformer and the rectifying and filtering circuit are both connected to the alternative switch, the alternative switch is used to selectively switch on the voltage output of the toroidal transformer or the rectifying and filtering circuit, the alternative switch is connected to the remote switch controller, the remote switch controller is provided with a voltage output port, the voltage output port is connected to an external ball machine, the remote switch controller is a remote switch for outputting a voltage at 24V, is a remote control power switch, and can be used for remote power-off restart when the ball machine crashes; the ac output and the dc output of this scheme are one voltage output port, and whether the output port is ac or dc is controlled by the one-of-two switch and the remote switch controller. By taking the 24V power supply requirement of the ball machine as an example, by adopting the design scheme, the voltage specification can be flexibly selected, if the default factory is 24V direct current, and if 24V alternating current is required in field use, the 24V alternating current is selected through switch control and a corresponding indicator lamp; the scheme effectively facilitates the use of users, and before the communication box is customized, whether the application scene needs to be exchanged or direct current does not need to be confirmed in advance.
Preferably, as shown in fig. 3, the power supply unit of the image monitoring communication box further includes a panel indicator light for indicating direct current or alternating current, and the remote switch controller is connected to the panel indicator light. The panel indicating lamp is used for displaying alternating current or direct current, a user can know whether the voltage of the current output end is alternating current or direct current according to the panel indicating lamp, and then the remote switch controller is used for controlling the alternative switch so as to switch on direct current output or alternating current output required by the current scene.
Preferably, as shown in fig. 3, the power supply unit of the image monitoring communication box further includes a panel switch, and the panel switch is connected to the alternative switch, so that the selection of the dc output or the dc output voltage can be manually realized at a short distance.
Preferably, the voltage of the output port can be changed by changing the number of pounding of the toroidal transformer, the voltage of the embodiment is used for a ball machine, the ball machine generally needs 24V power supply voltage, and the voltage output end outputs 24V alternating current voltage or 24V direct current voltage.
Preferably, the voltage input end inputs 220V alternating current voltage.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A power supply unit of an image monitoring communication box is characterized by comprising an annular transformer and a circuit board, wherein the circuit board comprises a rectifying and filtering circuit, the annular transformer is connected with a voltage input end and a rectifying and filtering circuit, the rectifying and filtering circuit is provided with a voltage output end, the annular transformer is provided with a voltage output end, and the voltage output end is connected with an external ball machine; or the circuit board comprises a rectifying and filtering circuit, an alternative switch and a remote switch controller, wherein a voltage input end is connected with a ring transformer, the ring transformer is connected with the rectifying and filtering circuit, the ring transformer and the rectifying and filtering circuit are both connected with the alternative switch, the alternative switch is connected with the remote switch controller, the remote switch controller is provided with a voltage output end, and the voltage output end is connected with an external ball machine.
2. The power supply unit of image monitoring communication box according to claim 1, further comprising a panel indicator light for indicating dc or ac, wherein the remote switch controller is connected to the panel indicator light.
3. The power supply unit of image monitoring communication box according to claim 2, further comprising a panel switch, wherein the panel switch is connected to the alternative switch.
4. The power supply unit of image monitoring communication box according to claim 1, wherein the voltage output terminal outputs 24V ac voltage or 24V dc voltage.
5. The power supply unit of image monitoring communication box according to claim 1, wherein the voltage input terminal inputs 220V ac voltage.
6. The power supply unit of image monitoring communication box according to claim 3, wherein the voltage output terminal outputs 24V AC voltage or 24V DC voltage, and the voltage input terminal inputs 220V AC voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020403339.7U CN211880297U (en) | 2020-03-25 | 2020-03-25 | Power supply unit of image monitoring communication box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020403339.7U CN211880297U (en) | 2020-03-25 | 2020-03-25 | Power supply unit of image monitoring communication box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211880297U true CN211880297U (en) | 2020-11-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020403339.7U Active CN211880297U (en) | 2020-03-25 | 2020-03-25 | Power supply unit of image monitoring communication box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211880297U (en) |
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2020
- 2020-03-25 CN CN202020403339.7U patent/CN211880297U/en active Active
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