CN214544340U - Direct current power supply device and wireless communication module system - Google Patents
Direct current power supply device and wireless communication module system Download PDFInfo
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- CN214544340U CN214544340U CN202120740498.0U CN202120740498U CN214544340U CN 214544340 U CN214544340 U CN 214544340U CN 202120740498 U CN202120740498 U CN 202120740498U CN 214544340 U CN214544340 U CN 214544340U
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Abstract
The utility model discloses a DC power supply device and wireless communication module system, including switching power supply, power shunt circuit and control circuit. The power supply shunting circuit is used for shunting direct current output by the switching power supply to obtain multiple paths of direct current, and supplying the multiple paths of direct current to multiple pieces of electric equipment one by one; the control circuit is used for correspondingly controlling the power supply condition of the direct current supplied to each electric device according to the power supply requirement of each electric device. Therefore, the direct current power supply device has the power output interfaces, can supply power for the electric equipment, is suitable for the scene that the electric equipment needs to be powered on simultaneously, and has low power supply cost. In addition, the direct current power supply device can correspondingly control the power supply condition of direct current supplied to each electric device according to the power supply requirement of each electric device, and is suitable for scenes with different power supply requirements of a plurality of electric devices, so that the application range of the device is expanded.
Description
Technical Field
The utility model relates to a direct current power supply field especially relates to a direct current power supply device and wireless communication module system.
Background
With the development of automated testing technology, large-scale testing of wireless communication modules has been implemented. Based on the space occupied by the wireless communication modules with a large number is large, the wireless communication modules are generally placed in the standard network cabinet in a unified mode at present, and the wireless communication modules can be placed in the standard network cabinet in a large number, so that the equipment space utilization rate can be improved, and the test wiring of the wireless communication modules can be more regular.
At present, the way of supplying power to the wireless communication module in the cabinet is usually: a programmable power supply is adopted to supply power for the wireless communication modules in the cabinet, however, the programmable power supply generally only has one power output interface, and only can be used by one wireless communication module in the cabinet at a time, and is not suitable for a scenario that a plurality of wireless communication modules in the cabinet are simultaneously electrified and tested. In addition, if a plurality of program-controlled power supplies are adopted to supply power to a plurality of wireless communication modules in the cabinet one by one, the power supply cost is too high.
Therefore, how to provide a solution to the above technical problem is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a DC power supply device and wireless communication module system, DC power supply device have a plurality of power output interfaces, can be simultaneously for the power supply of a plurality of consumer, more be applicable to the scene that a plurality of consumer need go up the electricity simultaneously, and the power supply cost is lower. In addition, the direct current power supply device can correspondingly control the power supply condition of direct current supplied to each electric device according to the power supply requirement of each electric device, and is suitable for scenes with different power supply requirements of a plurality of electric devices, so that the application range of the device is expanded.
In order to solve the above technical problem, the utility model provides a DC power supply device, include:
the switching power supply is used for converting the system alternating current into direct current to be output;
the power supply shunt circuit is respectively connected with the switching power supply and the plurality of electric equipment and is used for shunting the direct current to obtain a plurality of paths of direct currents and supplying the plurality of paths of direct currents to the plurality of electric equipment one by one;
and the control circuit is arranged on a power supply circuit between the power supply shunt circuit and the plurality of electric equipment and is used for correspondingly controlling the power supply condition of the direct current supplied to each electric equipment according to the power supply requirement of each electric equipment.
Preferably, the control circuit includes:
the switch circuits are arranged on a plurality of power supply circuits between the power supply shunt circuit and the plurality of electric equipment one by one;
and the controller is respectively connected with the plurality of switch circuits and the external equipment and is used for correspondingly controlling the switch operation of the plurality of switch circuits according to the power-on and power-off command sent by the external equipment so as to correspondingly control the power-on and power-off operation of the direct current supplied to each electric equipment.
Preferably, the control circuit further comprises:
the electric parameter acquisition circuits are arranged on the power supply circuits between the power supply shunt circuit and the electric equipment one by one and connected with the controller, and are used for acquiring the voltage and the current supplied to the electric equipment by the power supply circuit;
the controller is further used for obtaining power data corresponding to the target power supply circuit according to the voltage and the current collected by the electrical parameter collecting circuit on the target power supply circuit after receiving a power reading instruction corresponding to the target power supply circuit sent by the external device, and returning the power data to the external device.
Preferably, the control circuit further comprises:
the voltage regulating circuits are arranged on a plurality of power supply circuits between the power supply shunt circuit and a plurality of electric devices one by one and connected with the controller;
the controller is further used for adjusting the voltage on the target power supply line through a voltage adjusting circuit on the target power supply line according to a voltage adjusting instruction corresponding to the target power supply line and sent by the external equipment.
Preferably, the power supply shunt circuit further includes:
and the power supply branch circuit is connected with the control circuit and used for branching the direct current output by the switching power supply to obtain a direct current for supplying power to the control circuit.
Preferably, the dc power supply device further includes a plurality of light emitting diodes and a plurality of resistors; wherein:
anodes of the plurality of light emitting diodes are connected with a plurality of power supply lines between the power supply shunt circuit and the plurality of electric devices one by one, cathodes of the plurality of light emitting diodes are connected with first ends of the plurality of resistors one by one, and second ends of the plurality of resistors are all grounded.
Preferably, the controller is wirelessly connected with the external device through a local area network.
Preferably, a plurality of electric equipment are all placed in the cabinet;
the direct current power supply device further includes:
and the switch power supply, the power supply shunt circuit and the device shell of the control circuit are arranged in the device shell and are fixed on the machine cabinet.
Preferably, a first fixing hole is formed in the device shell, and a second fixing hole is formed in the cabinet; wherein:
the device shell and the cabinet are fixedly connected through a fastener penetrating through the first fixing hole and the second fixing hole.
In order to solve the technical problem, the utility model also provides a wireless communication module system, include as the wireless communication module of consumer and any kind of above-mentioned DC power supply unit.
The utility model provides a direct current power supply device, including switching power supply, power shunt circuit and control circuit. The power supply shunting circuit is used for shunting direct current output by the switching power supply to obtain multiple paths of direct current, and supplying the multiple paths of direct current to multiple pieces of electric equipment one by one; the control circuit is used for correspondingly controlling the power supply condition of the direct current supplied to each electric device according to the power supply requirement of each electric device. Therefore, the direct current power supply device has the power output interfaces, can supply power for the electric equipment, is suitable for the scene that the electric equipment needs to be powered on simultaneously, and has low power supply cost. In addition, the direct current power supply device can correspondingly control the power supply condition of direct current supplied to each electric device according to the power supply requirement of each electric device, and is suitable for scenes with different power supply requirements of a plurality of electric devices, so that the application range of the device is expanded.
The utility model also provides a wireless communication module system has the same beneficial effect with above-mentioned power supply unit.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the prior art and the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a dc power supply device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a specific structure of a control circuit on a single power supply line according to an embodiment of the present invention.
Detailed Description
The core of the utility model is to provide a DC supply device and wireless communication module system, DC supply device have a plurality of power output interfaces, can be simultaneously for the power supply of a plurality of consumer, more be applicable to the scene that a plurality of consumer need go up the electricity simultaneously, and the power supply cost is lower. In addition, the direct current power supply device can correspondingly control the power supply condition of direct current supplied to each electric device according to the power supply requirement of each electric device, and is suitable for scenes with different power supply requirements of a plurality of electric devices, so that the application range of the device is expanded.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a dc power supply device according to an embodiment of the present invention.
The DC power supply device includes:
a switching power supply 1 for converting system alternating current into direct current and outputting the direct current;
the power supply shunt circuit 2 is respectively connected with the switching power supply 1 and the plurality of electric equipment and is used for shunting the direct current to obtain a plurality of paths of direct currents and supplying the plurality of paths of direct currents to the plurality of electric equipment one by one;
and the control circuit 3 is arranged on a power supply circuit between the power supply shunt circuit 2 and the plurality of electric devices and is used for correspondingly controlling the power supply condition of the direct current supplied to each electric device according to the power supply requirement of each electric device.
Specifically, the dc power supply device of the present application includes a switching power supply 1, a power supply shunt circuit 2, and a control circuit 3, and its operating principle is:
the input end of the switching power supply 1 is connected with system alternating current and used for converting the system alternating current into direct current to be output. The switch power supply 1 can be an LRS-200-5 model power supply: 110V/200V alternating current input and 5V direct current output; of course, the switching power supply 1 may also be another type of power supply, depending on the power voltage of the electric equipment. Based on that the switching power supply 1 has a power output interface, the switching power supply 1 specifically converts the system alternating current into a single-circuit direct current for output. The input interface of the power supply shunting circuit 2 is connected with the power supply output interface of the switching power supply 1, and is used for accessing the single direct current output by the switching power supply 1, shunting the single direct current output by the switching power supply 1 to obtain multiple direct currents (for example, 20 paths), and outputting the multiple direct currents one by one through the multiple output interfaces of the power supply shunting circuit 2. The multiple output interfaces of the power shunt circuit 2 are connected to multiple electric devices (e.g., wireless communication modules in a cabinet) one by one, and are configured to supply multiple paths of direct currents obtained by shunting of the power shunt circuit to the multiple electric devices one by one, thereby supplying power to the multiple electric devices at the same time.
It should be noted that each direct current obtained by splitting the power supply splitting circuit needs to support the peak current of the electric equipment, that is, the current provided by each direct current is greater than or equal to the peak current of the electric equipment. Based on the above, the current of the direct current output by the switching power supply is not less than the sum of peak currents of a plurality of electric devices equal to the number of branches of the direct current. The switch power supply is selected because the current range output by the switch power supply is large, and the amount of the direct current of the peak current of the support electric equipment which can be branched is large.
In addition, considering that the power supply requirements of the wireless communication module in the cabinet may be different in different test scenes of the wireless communication module, in order to meet different test scenes of the wireless communication module in the cabinet, the control circuit 3 is arranged on the power supply circuit between the power supply shunt circuit 2 and the plurality of electric devices, and the control circuit 3 correspondingly controls the power supply condition of the direct current supplied to each electric device according to the power supply requirements of each electric device so as to meet the power supply requirements of each electric device.
Therefore, the direct current power supply device has the power output interfaces, can supply power for the electric equipment, is suitable for the scene that the electric equipment needs to be powered on simultaneously, and has low power supply cost. In addition, the direct current power supply device can correspondingly control the power supply condition of direct current supplied to each electric device according to the power supply requirement of each electric device, and is suitable for scenes with different power supply requirements of a plurality of electric devices, so that the application range of the device is expanded.
On the basis of the above-described embodiment:
referring to fig. 2, fig. 2 is a schematic diagram of a specific structure of a control circuit on a single power supply line according to an embodiment of the present invention.
As an alternative embodiment, the control circuit 3 comprises:
switch circuits 31 provided one by one on a plurality of power supply lines between the power supply shunt circuit 2 and the plurality of electric devices;
and a controller 32 connected to the plurality of switch circuits 31 and the external device, respectively, for controlling the switching operation of the plurality of switch circuits 31 according to the power-up/down command sent from the external device, so as to control the power-up/down operation of the dc power supplied to each of the electric devices.
Specifically, the control circuit 3 of the present application includes a controller 32 and a plurality of switch circuits 31, the plurality of switch circuits 31 are disposed on a plurality of power supply lines between the power supply branch circuit 2 and a plurality of electric devices one by one, and the operating principle thereof is as follows:
the controller 32 communicates with an external device, and can receive commands issued by the external device and also can transmit data back to the external device.
More specifically, for power-up and power-down operations of the powered device, the external device may issue a power-up and power-down command to the controller 32. The controller 32, upon receiving a power-up/power-down command from an external device, may control the switching operations of the plurality of switching circuits 31 according to the received power-up/power-down command, in order to control the power-up/power-down operations of the dc power supplied to the respective electrical devices.
For example, the external device may issue a power-on command to the controller 32 for the first electrical device. After receiving a power-on instruction of the first electrical device sent by the external device, the controller 32 may correspondingly control the switching circuit 31 on the power supply line corresponding to the first electrical device to be closed according to the received power-on instruction of the first electrical device, so as to correspondingly control the power-on operation of the direct current supplied to the first electrical device. For another example, the external device may issue a power down command for the first electrical device to the controller 32. After receiving a power-down instruction of the first electrical device sent by the external device, the controller 32 may correspondingly control the switching circuit 31 on the power supply line corresponding to the first electrical device to be turned off according to the received power-down instruction of the first electrical device, so as to correspondingly control the power-down operation of the direct current supplied to the first electrical device.
In addition, the controller 32 of the present application can be a card-type computer (such as raspberry pi, specifically raspberry pi 3B +), which has a small size and low cost.
As an alternative embodiment, the control circuit 3 further comprises:
the electric parameter acquisition circuits 33 are arranged on a plurality of power supply circuits between the power supply shunt circuit 2 and a plurality of electric devices one by one and connected with the controller 32, and are used for acquiring the voltage and the current supplied to the corresponding electric devices by the power supply circuit;
the controller 32 is further configured to, after receiving a power reading instruction corresponding to a target power supply line sent by an external device, obtain power data corresponding to the target power supply line according to the voltage and the current acquired by the electrical parameter acquisition circuit 33 on the target power supply line, and return the power data to the external device.
Further, the control circuit 3 of the present application further includes a plurality of electrical parameter collecting circuits 33 (optional voltage and current reading chip INA219), the plurality of electrical parameter collecting circuits 33 are disposed on the plurality of power supply lines between the power supply branch circuit 2 and the plurality of electric devices one by one, and the operating principle thereof is as follows:
the electrical parameter collecting circuit 33 can collect the voltage and current supplied to the corresponding electrical equipment by the power supply line. Based on this, the external device may issue a power reading instruction corresponding to the target power supply line (any power supply line) to the controller 32. After receiving a power reading instruction corresponding to a target power supply line sent by an external device, the controller 32 may read voltage and current on the target power supply line from the electrical parameter acquisition circuit 33 on the target power supply line, and obtain power data corresponding to the target power supply line according to the voltage and current on the target power supply line (voltage on the target power supply line × current on the target power supply line is power data corresponding to the target power supply line), and then return the obtained power data corresponding to the target power supply line to the external device.
As an alternative embodiment, the control circuit 3 further comprises:
a voltage adjusting circuit 34 provided on a plurality of power supply lines between the power supply branching circuit 2 and the plurality of electric devices one by one and connected to the controller 32;
the controller 32 is further configured to adjust the voltage on the target power supply line through the voltage adjusting circuit 34 on the target power supply line according to a voltage adjusting instruction corresponding to the target power supply line sent by the external device.
Further, considering that in some specific test scenarios of the wireless communication module in the cabinet, the power supply of the wireless communication module needs to be suddenly dropped to a certain low voltage, the dc power supply device of the present application is required to have the function of adjusting the voltage on the power supply line. Based on this, the control circuit 3 of the present application further includes a plurality of voltage adjusting circuits 34, the plurality of voltage adjusting circuits 34 are respectively disposed on the plurality of power supply lines between the power supply branch circuit 2 and the plurality of electric devices, and the operating principle thereof is as follows:
the external device may issue a voltage adjustment command corresponding to the target power supply line to the controller 32 (the voltage adjustment command includes a target voltage value that the target power supply line needs to reach). After receiving a voltage adjustment instruction corresponding to a target power supply line sent by an external device, the controller 32 may adjust the voltage on the target power supply line through the voltage adjustment circuit 34 on the target power supply line, so that the voltage on the target power supply line reaches a target voltage value included in the voltage adjustment instruction, thereby satisfying some specific test scenarios of the electrical device.
In addition, the controller 32 of the present application may be specifically connected to each of the switch circuits 31, each of the electrical parameter collecting circuits 33, and each of the voltage adjusting circuits 34 through a control bus (e.g., an I2C bus), so as to implement control of each circuit of dc output, including control of power-on, power-off, power data reading, voltage adjustment, and the like. The switch circuit 31, the electrical parameter collecting circuit 33 and the voltage adjusting circuit 34 on each power supply line can be integrated independently, or the three can be integrated together in one chip.
As an alternative embodiment, the power supply splitting circuit 2 further includes:
and the power supply branch circuit is connected with the control circuit 3 and is used for branching the direct current output by the switching power supply 1 to obtain a direct current for supplying power to the control circuit 3.
Further, the power supply shunt circuit 2 of the present application includes not only a power supply branch for supplying power to the electric device, but also a power supply branch for supplying power to the control circuit 3 (specifically, supplying power to the controller 32). The power supply branches of the power supply shunt circuit 2 are mutually independent; the voltage of the power supply branch supplying power to the control circuit 3 is not adjustable, and the voltage is equal to the standard power supply voltage required by the control circuit 3.
As an alternative embodiment, the dc power supply device further includes a plurality of light emitting diodes D and a plurality of resistors R; wherein:
anodes of the plurality of light emitting diodes D are connected with a plurality of power supply lines between the power supply shunt circuit 2 and the plurality of electric devices one by one, cathodes of the plurality of light emitting diodes D are connected with first ends of the plurality of resistors R one by one, and second ends of the plurality of resistors R are all grounded.
Further, the dc power supply device of the present application further includes a plurality of light emitting diodes D and a plurality of resistors R (voltage division, protecting the light emitting diodes D from being burned), and the operating principle thereof is:
when a voltage output exists on a power supply line connected with the light-emitting diode D, the light-emitting diode D emits light (particularly, can light a red light); when no voltage is output on the power supply line connected with the light-emitting diode D, the light-emitting diode D does not emit light, so that the voltage output condition on each power supply line can be correspondingly indicated through the light-emitting state of each light-emitting diode D.
As an alternative embodiment, the controller 32 is wirelessly connected to the external device via a local area network.
Specifically, the controller 32 and the external device may be wirelessly connected through a local area network, and the two devices may specifically perform data Transmission through a TCP (Transmission Control Protocol) or a UDP (User Datagram Protocol), so that power-on, power-off, power data reading, voltage adjustment, and the like may be realized through remote Control.
More specifically, the controller 32 of the present application accesses the local area network in the local area through an Ethernet (Ethernet) port, and an http service program is run inside the controller 32 and is configured to receive a remote instruction from the port and transmit data back to the remote end through the port.
For example, this application numbers a plurality of power output interfaces of direct current power supply device in advance, then can realize remotely:
power up the 13 interface:
rp＝requests.post('http://10.22.43.135:8081/set_gpio_output',
data＝json.dumps({'channel':13,'output':'on'}),
headers＝{'Content-Type':'application/json'})。
powering down the 13 interface:
rp＝requests.post('http://10.22.43.135:8081/set_gpio_output',
data＝json.dumps({'channel':13,'output':'off'}),
headers＝{'Content-Type':'application/json'})。
reset the 13 interface (power down first and power up later):
rp＝requests.post('http://10.22.43.135:8081/set_gpio_output',
data＝json.dumps({'channel':13,'output':'reboot'}),
headers＝{'Content-Type':'application/json'})。
reading 13 power data corresponding to the interface:
rp＝requests.post('http://10.22.43.135:8081/read_power',
data＝json.dumps({'channel':13}),
headers＝{'Content-Type':'application/json'})。
as an alternative embodiment, a plurality of electric devices are placed in the cabinet;
the dc power supply device further includes:
and a device shell which is fixed on the machine cabinet and is internally provided with a switching power supply 1, a power supply shunt circuit 2 and a control circuit 3.
Further, a plurality of consumer all place in the rack, not only can improve equipment space utilization, can also make equipment walk the line more regular. Based on this, the dc supply device of this application still includes the device shell that is fixed in on the rack, and dc supply device's switching power supply 1, power shunt circuit 2 and control circuit 3 have been placed to device shell inside, play the guard action.
More specifically, the device housing of the present application is blade-shaped, 1.5U high (400mm wide x 3500mm deep x 48mm high), and can be mounted in a 19-inch standard network cabinet.
As an optional embodiment, a first fixing hole is formed in the device shell, and a second fixing hole is formed in the cabinet; wherein:
the device shell and the cabinet are firmly connected through a fastener penetrating through the first fixing hole and the second fixing hole.
Specifically, the device shell and the rack accessible fastener fastening of this application are in the same place to be equipped with first fixed orifices on being fixed in the rack with DC power supply unit, specifically be equipped with the second fixed orifices on the device shell, pass first fixed orifices and second fixed orifices with the fastener and fasten in order to be fixed in the rack with the device shell, for example the fastener can comprise bolt and nut, cooperate the nut fastening after the bolt passes first fixed orifices and second fixed orifices.
The application also provides a wireless communication module system, which comprises the wireless communication module as the electric equipment and any one of the direct current power supply devices.
For introduction of the wireless communication module system provided in the present application, please refer to the above-mentioned embodiment of the dc power supply apparatus, which is not described herein again.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A dc power supply device, comprising:
the switching power supply is used for converting the system alternating current into direct current to be output;
the power supply shunt circuit is respectively connected with the switching power supply and the plurality of electric equipment and is used for shunting the direct current to obtain a plurality of paths of direct currents and supplying the plurality of paths of direct currents to the plurality of electric equipment one by one;
and the control circuit is arranged on a power supply circuit between the power supply shunt circuit and the plurality of electric equipment and is used for correspondingly controlling the power supply condition of the direct current supplied to each electric equipment according to the power supply requirement of each electric equipment.
2. The dc power supply apparatus according to claim 1, wherein the control circuit comprises:
the switch circuits are arranged on a plurality of power supply circuits between the power supply shunt circuit and the plurality of electric equipment one by one;
and the controller is respectively connected with the plurality of switch circuits and the external equipment and is used for correspondingly controlling the switch operation of the plurality of switch circuits according to the power-on and power-off command sent by the external equipment so as to correspondingly control the power-on and power-off operation of the direct current supplied to each electric equipment.
3. The dc power supply apparatus according to claim 2, wherein the control circuit further comprises:
the electric parameter acquisition circuits are arranged on the power supply circuits between the power supply shunt circuit and the electric equipment one by one and connected with the controller, and are used for acquiring the voltage and the current supplied to the electric equipment by the power supply circuit;
the controller is further used for obtaining power data corresponding to the target power supply circuit according to the voltage and the current collected by the electrical parameter collecting circuit on the target power supply circuit after receiving a power reading instruction corresponding to the target power supply circuit sent by the external device, and returning the power data to the external device.
4. The dc power supply apparatus according to claim 2, wherein the control circuit further comprises:
the voltage regulating circuits are arranged on a plurality of power supply circuits between the power supply shunt circuit and a plurality of electric devices one by one and connected with the controller;
the controller is further used for adjusting the voltage on the target power supply line through a voltage adjusting circuit on the target power supply line according to a voltage adjusting instruction corresponding to the target power supply line and sent by the external equipment.
5. The dc power supply of claim 1, wherein the power shunt circuit further comprises:
and the power supply branch circuit is connected with the control circuit and used for branching the direct current output by the switching power supply to obtain a direct current for supplying power to the control circuit.
6. The dc power supply of claim 1, wherein said dc power supply further comprises a plurality of light emitting diodes and a plurality of resistors; wherein:
anodes of the plurality of light emitting diodes are connected with a plurality of power supply lines between the power supply shunt circuit and the plurality of electric devices one by one, cathodes of the plurality of light emitting diodes are connected with first ends of the plurality of resistors one by one, and second ends of the plurality of resistors are all grounded.
7. The dc power supply apparatus according to claim 2, wherein the controller is wirelessly connected to the external device via a local area network.
8. The dc power supply apparatus according to any one of claims 1 to 7, wherein a plurality of electric devices are placed in the cabinet;
the direct current power supply device further includes:
and the switch power supply, the power supply shunt circuit and the device shell of the control circuit are arranged in the device shell and are fixed on the machine cabinet.
9. The dc power supply device according to claim 8, wherein a first fixing hole is provided in the device case, and a second fixing hole is provided in the cabinet; wherein:
the device shell and the cabinet are fixedly connected through a fastener penetrating through the first fixing hole and the second fixing hole.
10. A wireless communication module system, comprising a wireless communication module as a power consumer and a dc power supply according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120740498.0U CN214544340U (en) | 2021-04-12 | 2021-04-12 | Direct current power supply device and wireless communication module system |
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| CN202120740498.0U CN214544340U (en) | 2021-04-12 | 2021-04-12 | Direct current power supply device and wireless communication module system |
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| CN214544340U true CN214544340U (en) | 2021-10-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114928228A (en) * | 2022-05-30 | 2022-08-19 | 中国铁塔股份有限公司 | Base station power supply method and base station power supply device |
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2021
- 2021-04-12 CN CN202120740498.0U patent/CN214544340U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114928228A (en) * | 2022-05-30 | 2022-08-19 | 中国铁塔股份有限公司 | Base station power supply method and base station power supply device |
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Effective date of registration: 20220414 Address after: Edward of Luxembourg 15 Stephen Street Patentee after: Ruiling wireless Co.,Ltd. Address before: 518000 south, 2nd floor, Jiuzhou electric appliance building, South 12th Road, Science Park, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Ruiling wireless communication technology (Shenzhen) Co.,Ltd. |