CN212231087U - Starting device of direct-current power supply - Google Patents
Starting device of direct-current power supply Download PDFInfo
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- CN212231087U CN212231087U CN202021269853.2U CN202021269853U CN212231087U CN 212231087 U CN212231087 U CN 212231087U CN 202021269853 U CN202021269853 U CN 202021269853U CN 212231087 U CN212231087 U CN 212231087U
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Abstract
The utility model provides a DC power supply's starting drive, include: the acquisition module is used for acquiring a direct current signal of the direct current power supply; the current limiting module is used for carrying out current limiting processing on the obtained direct current signal and transmitting the direct current signal after the current limiting processing to the power element; the detection module is used for detecting the voltage of the direct current signal acquired by the acquisition module, acquiring voltage detection information and transmitting the voltage detection information to the control module; the control module is used for comparing the transmitted voltage detection information with the voltage threshold information, and transmitting a current limiting stopping instruction to the current limiting module when the voltage detection information reaches the voltage threshold information; the current limiting module stops current limiting processing of the direct current signal when receiving the transmitted current limiting stopping instruction, transmits the direct current signal acquired by the acquisition module to the power element, achieves the function of restraining surge current generated when the direct current power supply is started through the device, and avoids damage of the surge current to the power element.
Description
Technical Field
The utility model relates to a DC power supply technical field, in particular to DC power supply's starting drive.
Background
The dc power supply is a device for forming a constant voltage and current in a sustain circuit.
When the dc power supply is started, a surge current is likely to be generated due to a need for charging a capacitor having a large internal capacity. The surge current may reach a dozen times of the rated current without limiting the peak value of the surge current, and thus damage may be caused to other power elements in the line.
Therefore, a starting device of a dc power source is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a starting drive of DC power supply for the suppression of the surge current that produces when realizing starting DC power supply.
The embodiment of the utility model provides a starting device of a direct current power supply, which comprises an acquisition module, a current limiting module, a detection module and a control module; wherein the content of the first and second substances,
the acquisition module is used for acquiring a direct current signal of the direct current power supply;
the current limiting module is used for performing current limiting processing on the direct current signal acquired by the acquisition module and transmitting the direct current signal subjected to current limiting processing to a power element;
the detection module is used for detecting the voltage of the direct current signal acquired by the acquisition module, acquiring voltage detection information and transmitting the voltage detection information to the control module;
the control module is used for comparing the voltage detection information transmitted by the detection module with preset voltage threshold information, and transmitting a current limiting stopping instruction to the current limiting module when the voltage detection information reaches the voltage threshold information;
and the current limiting module is further configured to stop the current limiting processing of the direct current signal and transmit the direct current signal acquired by the acquisition module to a power element when receiving the current limiting stopping instruction transmitted by the control module.
In one embodiment, the apparatus further comprises a wireless communication module; the control module is connected with the wireless communication module;
the control module is used for transmitting the voltage detection information acquired by the detection module to a server at a staff position through the wireless communication module;
the server comprises a microprocessor and a display; the microprocessor is connected with the display;
and the microprocessor is used for receiving the voltage detection information transmitted by the control module and transmitting the voltage detection information to the display for displaying.
In one embodiment, the wireless communication module comprises one or more of a 4G communication module, a 5G communication module, and a WiFi communication module.
In one embodiment, the microprocessor further comprises an input device; the input device is connected with the microprocessor;
the input device is used for receiving the voltage threshold information transmitted by a worker and transmitting the voltage threshold information to the microprocessor; the microprocessor is used for transmitting the voltage threshold information to the control module;
the control module is further configured to receive the voltage threshold information transmitted by the microprocessor of the server through the wireless communication module, and use the voltage threshold information for comparison with the voltage detection information transmitted by the detection module.
In one embodiment, the input device includes one or more of a microphone, a keyboard, and a mouse.
In one embodiment, the apparatus further comprises a temperature detection module; the temperature detection module is connected with the control module;
the temperature detection module is used for acquiring temperature information of the working environment of the device and transmitting the temperature information to the control module; the control module is used for transmitting the temperature information transmitted by the temperature detection module to the server through the wireless communication module;
and the microprocessor of the server is used for receiving the temperature information transmitted by the control module and transmitting the temperature information to the display for displaying.
In one embodiment, the apparatus further comprises a cooling module; the cooling module is connected with the control module;
the control module is further configured to compare the temperature information transmitted by the temperature detection module with preset temperature threshold information, and transmit a cooling instruction to the cooling module when the temperature information exceeds the temperature threshold information;
and the cooling module is used for receiving the cooling instruction transmitted by the control module, and cooling the working environment of the device.
In one embodiment, the control module is further configured to transmit a cooling stop instruction to the cooling module when the temperature information is lower than the temperature threshold information;
the cooling module is used for stopping cooling the working environment of the device when receiving the cooling stopping instruction transmitted by the control module;
the cooling module comprises a fan or an air conditioner.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of a starting apparatus of a dc power supply according to the present invention;
fig. 2 is a circuit structure diagram of a starting apparatus of a dc power supply according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The embodiment of the utility model provides a starting device of a direct current power supply, as shown in fig. 1, comprising an acquisition module 11, a current limiting module 12, a detection module 13 and a control module 14; wherein the content of the first and second substances,
the acquisition module 11 is configured to acquire a dc signal of a dc power supply;
the current limiting module 12 is configured to perform current limiting processing on the dc signal acquired by the acquisition module 11, and transmit the dc signal after the current limiting processing to a power element;
the detection module 13 is configured to detect the voltage of the dc signal acquired by the acquisition module 11, acquire voltage detection information, and transmit the voltage detection information to the control module 14;
the control module 14 is configured to compare the voltage detection information transmitted by the detection module 13 with preset voltage threshold information, and transmit a current limiting stopping instruction to the current limiting module 12 when the voltage detection information reaches the voltage threshold information;
the current limiting module 12 is further configured to stop the current limiting process on the dc signal and transmit the dc signal acquired by the acquiring module 11 to the power element when receiving the current limiting stop instruction transmitted by the control module 14.
The working principle of the device is as follows: the obtaining module 11 obtains a direct current signal of a direct current power supply; the current limiting module 12 performs current limiting processing on the direct current signal acquired by the acquisition module 11, and transmits the direct current signal after the current limiting processing to a power element;
the detection module 13 detects the voltage of the dc signal obtained by the obtaining module 11, obtains voltage detection information, and transmits the voltage detection information to the control module 14; the control module 14 compares the voltage detection information transmitted by the detection module 13 with preset voltage threshold information, and transmits a current limiting stopping instruction to the current limiting module 12 when the voltage detection information reaches the voltage threshold information; when receiving the instruction to stop current limiting transmitted by the control module 14, the current limiting module 12 stops current limiting processing on the dc signal, and transmits the dc signal acquired by the acquisition module 11 to the power element.
The beneficial effect of above-mentioned device lies in: the acquisition of the direct current signal of the direct current power supply is realized through the acquisition module; the current limiting module realizes the current limiting processing of the direct current signal acquired by the acquisition module and transmits the direct current signal after the current limiting processing to the power element; the voltage of the direct current signal acquired by the acquisition module is detected by the detection module, so that the voltage detection information is acquired, and the voltage detection information is transmitted to the control module; the voltage detection information transmitted by the detection module is compared with preset voltage threshold information through the control module, and when the voltage detection information reaches the voltage threshold information, a current limiting stopping instruction is transmitted to the current limiting module; when receiving a current limiting stopping instruction transmitted by the control module, the current limiting module stops current limiting processing on the direct current signal and transmits the direct current signal acquired by the acquisition module to the power element; compared with the prior art, the device realizes the current limiting treatment of the surge current generated when the direct current power supply is started through the current limiting unit, realizes the inhibiting function of the surge current and avoids the damage of the surge current to the power element; the control module compares the voltage detection information acquired by the detection module with the voltage threshold information to judge whether surge current exists in the direct current signal, and transmits a current limiting stopping instruction to the current limiting module when the voltage detection information reaches the voltage threshold information, and the current limiting module stops current limiting processing to realize normal power supply of the power element; further, the work of the direct current power supply is more stable and reliable.
In an embodiment, a circuit structure of a starting apparatus of a dc power supply is shown in fig. 2; the device carries out related work by detecting the voltage at two ends of the capacitor in the direct current power supply in real time; in the circuit diagram, R14-R19 are current limiting elements which are connected into a charging loop of a capacitor during starting so as to limit the charging current of the capacitor; voltage signals at two ends of the capacitor are connected into a circuit through an interface CN1, are converted into control signals through resistance voltage division, judgment of Q2 and Q3 and isolation of a photoelectric coupler, are used for controlling the working state of the RY1, and are sent to a control module through interfaces CN2 and CN3 to judge and adjust the working state; when the voltage signals at two ends of the capacitor reach preset voltage threshold information, the working state is switched by adopting the direct current relay, the working state of RY1 is converted, R14-R19 is cut off from a charging loop of the capacitor, and at the moment, the direct current power supply can enter a normal working mode.
In one embodiment, the detection module detects the voltage of the dc signal by detecting the bus voltage, and the current limiting module performs current limiting processing on the dc signal by using a high-power absorption resistor.
In a specific embodiment, in the traditional test process, the starting device of the direct-current power supply has the phenomenon of resistance burning loss, so that the device modifies components and schematic diagrams, increases the power of the resistor and improves the absorption capacity of the resistor.
In one embodiment, the range of the input voltage of the DC power supply is increased by the current limiting module.
In one embodiment, the apparatus further comprises a wireless communication module; the control module is connected with the wireless communication module;
the control module is used for transmitting the voltage detection information acquired by the detection module to a server at a worker through the wireless communication module;
a server including a microprocessor and a display; the microprocessor is connected with the display;
and the microprocessor is used for receiving the voltage detection information transmitted by the control module and transmitting the voltage detection information to the display for displaying. In the technical scheme, the voltage detection information acquired by the detection module is transmitted to a server at a worker through the wireless communication module by the control module; the microprocessor of the server receives the voltage detection information transmitted by the control module and transmits the voltage detection information to the display for display, so that the voltage detection information can be acquired by the staff at the server in real time.
In one embodiment, the wireless communication module comprises one or more of a 4G communication module, a 5G communication module, and a WiFi communication module. According to the technical scheme, the function of the wireless communication module is realized through various communication modes.
In one embodiment, the microprocessor further comprises an input device; the input device is connected with the microprocessor;
the input device is used for receiving the voltage threshold information transmitted by the staff and transmitting the voltage threshold information to the microprocessor; the microprocessor is used for transmitting the voltage threshold information to the control module;
the control module is also used for receiving the voltage threshold information transmitted by the microprocessor of the server through the wireless communication module and comparing the voltage threshold information with the voltage detection information transmitted by the detection module. In the technical scheme, a worker inputs voltage threshold information through input equipment and transmits the voltage threshold information to the microprocessor; the microprocessor transmits the voltage threshold information to the control module; the control module receives the voltage threshold information transmitted by the microprocessor of the server through the wireless communication module, and the voltage threshold information is used for comparing with the voltage detection information transmitted by the detection module, so that the setting of the voltage threshold information by the staff is realized.
In one embodiment, the input device includes one or more of a microphone, a keyboard, and a mouse.
In one embodiment, the apparatus further comprises a temperature detection module; the temperature detection module is connected with the control module;
the temperature detection module is used for acquiring the temperature information of the working environment of the device and transmitting the temperature information to the control module; the control module is used for transmitting the temperature information transmitted by the temperature detection module to the server through the wireless communication module;
and the microprocessor of the server is used for receiving the temperature information transmitted by the control module and transmitting the temperature information to the display for displaying. According to the technical scheme, the temperature information of the working environment of the device is acquired through the temperature detection module; the acquired temperature information is transmitted to a server through a control module and a wireless communication module; the microprocessor of the server transmits the temperature information transmitted by the control module to the display for displaying, thereby realizing the real-time acquisition of the temperature information of the working environment of the device by the staff at the server.
In one embodiment, the apparatus further comprises a cooling module; the cooling module is connected with the control module;
the control module is also used for comparing the temperature information transmitted by the temperature detection module with preset temperature threshold information, and transmitting a cooling instruction to the cooling module when the temperature information exceeds the temperature threshold information;
and the cooling module is used for cooling the working environment of the device when receiving the cooling instruction transmitted by the control module. According to the technical scheme, the temperature information transmitted by the temperature detection module is compared with the preset temperature threshold value information through the control module, and when the temperature information exceeds the temperature threshold value information, the temperature reduction module transmits the temperature reduction instruction to cool the working environment of the device.
In one embodiment, the control module is further configured to transmit a cooling stop instruction to the cooling module when the temperature information is lower than the temperature threshold information;
the cooling module is used for stopping cooling the working environment of the device when receiving a cooling stopping instruction transmitted by the control module;
and the cooling module comprises a fan or an air conditioner. According to the technical scheme, the temperature information transmitted by the temperature detection module is compared with the preset temperature threshold value information through the control module, and when the temperature information is lower than the temperature threshold value information, the temperature stop instruction is transmitted to the cooling module to stop cooling the working environment of the device.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A starting device of a direct current power supply is characterized by comprising an acquisition module, a current limiting module, a detection module and a control module; wherein the content of the first and second substances,
the acquisition module is used for acquiring a direct current signal of the direct current power supply;
the current limiting module is used for performing current limiting processing on the direct current signal acquired by the acquisition module and transmitting the direct current signal subjected to current limiting processing to a power element;
the detection module is used for detecting the voltage of the direct current signal acquired by the acquisition module, acquiring voltage detection information and transmitting the voltage detection information to the control module;
the control module is used for comparing the voltage detection information transmitted by the detection module with preset voltage threshold information, and transmitting a current limiting stopping instruction to the current limiting module when the voltage detection information reaches the voltage threshold information;
and the current limiting module is further configured to stop the current limiting processing of the direct current signal and transmit the direct current signal acquired by the acquisition module to a power element when receiving the current limiting stopping instruction transmitted by the control module.
2. The apparatus of claim 1,
the device further comprises a wireless communication module; the control module is connected with the wireless communication module;
the control module is used for transmitting the voltage detection information acquired by the detection module to a server at a staff position through the wireless communication module;
the server comprises a microprocessor and a display; the microprocessor is connected with the display;
and the microprocessor is used for receiving the voltage detection information transmitted by the control module and transmitting the voltage detection information to the display for displaying.
3. The apparatus of claim 2,
the wireless communication module comprises one or more of a 4G communication module, a 5G communication module and a WiFi communication module.
4. The apparatus of claim 2,
the microprocessor further comprises an input device; the input device is connected with the microprocessor;
the input device is used for receiving the voltage threshold information transmitted by a worker and transmitting the voltage threshold information to the microprocessor; the microprocessor is used for transmitting the voltage threshold information to the control module;
the control module is further configured to receive the voltage threshold information transmitted by the microprocessor of the server through the wireless communication module, and use the voltage threshold information for comparison with the voltage detection information transmitted by the detection module.
5. The apparatus of claim 4,
the input device comprises one or more of a microphone, a keyboard and a mouse.
6. The apparatus of claim 4,
the device also comprises a temperature detection module; the temperature detection module is connected with the control module;
the temperature detection module is used for acquiring temperature information of the working environment of the device and transmitting the temperature information to the control module; the control module is used for transmitting the temperature information transmitted by the temperature detection module to the server through the wireless communication module;
and the microprocessor of the server is used for receiving the temperature information transmitted by the control module and transmitting the temperature information to the display for displaying.
7. The apparatus of claim 6,
the device also comprises a cooling module; the cooling module is connected with the control module;
the control module is further configured to compare the temperature information transmitted by the temperature detection module with preset temperature threshold information, and transmit a cooling instruction to the cooling module when the temperature information exceeds the temperature threshold information;
and the cooling module is used for receiving the cooling instruction transmitted by the control module, and cooling the working environment of the device.
8. The apparatus of claim 7,
the control module is further configured to transmit a cooling stop instruction to the cooling module when the temperature information is lower than the temperature threshold information;
the cooling module is used for stopping cooling the working environment of the device when receiving the cooling stopping instruction transmitted by the control module;
the cooling module comprises a fan or an air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021269853.2U CN212231087U (en) | 2020-07-02 | 2020-07-02 | Starting device of direct-current power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021269853.2U CN212231087U (en) | 2020-07-02 | 2020-07-02 | Starting device of direct-current power supply |
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| Publication Number | Publication Date |
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| CN212231087U true CN212231087U (en) | 2020-12-25 |
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| CN202021269853.2U Active CN212231087U (en) | 2020-07-02 | 2020-07-02 | Starting device of direct-current power supply |
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| CN (1) | CN212231087U (en) |
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