CN210072042U - Fuse detection circuit for communication base station - Google Patents
Fuse detection circuit for communication base station Download PDFInfo
- Publication number
- CN210072042U CN210072042U CN201920645487.7U CN201920645487U CN210072042U CN 210072042 U CN210072042 U CN 210072042U CN 201920645487 U CN201920645487 U CN 201920645487U CN 210072042 U CN210072042 U CN 210072042U
- Authority
- CN
- China
- Prior art keywords
- fuse
- pin
- resistor
- diode
- base station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Protection Of Static Devices (AREA)
Abstract
The utility model discloses a fuse detection circuitry for communication base station belongs to the electron technical field, including battery, load, fuse, resistance R125, opto-coupler PC13, electric capacity C72, resistance R27, resistance R66, resistance R45, electric capacity C31, diode D2 and diode D3, the fuse detection circuitry's of traditional photovoltaic equipment not enough has been solved, the utility model discloses establish the use frequency that reduces electronic components and parts and reduce components's consumption, prolong the life of internal circuit, reduce the power consumption cost, the utility model discloses still add and prevent joining the diode, protect the safety of opto-coupler, increase system's security.
Description
Technical Field
The utility model belongs to the technical field of the electron, especially, relate to a fuse detection circuitry for communication base station.
Background
As shown in fig. 1, the fuse detection circuit of the conventional photovoltaic device adopts a mode that one end of a detection end of an optical coupler is connected with a positive power supply provided by a battery, and the other end of the detection end of the optical coupler is connected with a ground wire provided by the battery through the fuse, if the fuse is normal, 4 pins of the optical coupler PC14 are always output at a low level, at the same time, an internal circuit of the optical coupler PC14 is always conducted, and the internal loss can be increased and the service life of an electronic component can be reduced for a long time.
In the fuse detection circuit of traditional photovoltaic equipment, voltage is directly obtained from the positive pole of battery to opto-coupler PC 14's 1 foot, and photovoltaic equipment is the inevitable electrified operation that needs in the installation, and the phenomenon of striking sparks appears very easily in the installation like this, and the installer can be injure to serious person, causes major accident.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fuse detection circuitry for communication base station has solved the not enough of traditional photovoltaic equipment's fuse detection circuitry.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a fuse detection circuit for a communication base station comprises a battery, a load, a fuse, a resistor R125, an optocoupler PC13, a capacitor C72, a resistor R27, a resistor R66, a resistor R45, a capacitor C31, a diode D2 and a diode D3, wherein the anode of the battery is connected with the anode of the load, the cathode of the battery is connected with the cathode of the load through the fuse, a pin 1 and a pin 2 of the optocoupler PC13 are respectively connected with two ends of the fuse through a resistor R27 and a resistor R45, a resistor R66 and a capacitor C31 are both connected in parallel between the pin 1 and the pin 2 of the optocoupler PC13, a pin 4 of the optocoupler PC13 is connected with a positive power source through the resistor R125, a capacitor C72 is connected in parallel between a pin 4 and a pin 3 of the optocoupler PC13, the anode of the diode D2 and the anode of the diode D3 are both connected with the pin 2 of the optocoupler 13, and the cathode of the diode D2 and the cathode of the diode D3 are both connected.
Preferably, 4 feet of the optical coupler PC13 are signal output ends, and 4 feet of the optical coupler PC13 are connected with an IO port of an external single chip microcomputer.
Preferably, the load comprises a fan controller for controlling the starting of the fan, a photovoltaic controller for controlling the photovoltaic power generation equipment and electric equipment.
Preferably, the battery is a rechargeable battery.
Preferably, the positive power supply is a positive power supply used by the external single chip microcomputer.
A fuse detection circuit for communication base station, solved the not enough of traditional photovoltaic equipment's fuse detection circuit, the utility model discloses equipment reduces electronic components's frequency of use and reduces components and parts's consumption, prolongs the life of internal circuit, reduces the power consumption cost, the utility model discloses still add and prevent joining conversely the diode, protect the safety of opto-coupler, increase system's security.
Drawings
Fig. 1 is a circuit diagram of a fuse detection circuit of a conventional photovoltaic device in the background art;
fig. 2 is a circuit diagram of the present invention.
Detailed Description
The fuse detection circuit for the communication base station shown in fig. 2 comprises a battery, a load, a fuse, a resistor R125, an optocoupler PC13, a capacitor C72, a resistor R27, a resistor R66, a resistor R45, a capacitor C31, a diode D2 and a diode D3, wherein the positive electrode of the battery is connected with the positive electrode of the load, the negative electrode of the battery is connected with the negative electrode of the load through the fuse, the 1 pin and the 2 pin of the optocoupler PC13 are respectively connected with the two ends of the fuse through a resistor R27 and a resistor R45, the resistor R66 and the capacitor C31 are both connected in parallel between the 1 pin and the 2 pin of the optocoupler PC13, the 4 pin of the PC13 is connected with a positive power source through the resistor R125, the capacitor C72 is connected in parallel between the 4 pin and the 3 pin of the optocoupler PC13, the positive electrode of the diode D2 and the positive electrode of the diode D3 are both connected with the 2 pin of the optocoupler PC13, and the negative electrode of the diode D6342 and the negative.
When the FUSE is in a normal state, the detection circuit has no current loss, at the moment, the optocoupler PC13 is in a cut-off state, and FUSE1 output by the pin 4 of the optocoupler PC13 is at a high level; when the FUSE wire is fused, the two ends of the FUSE wire FUSE1+ and FUSE 1-generate a pressure difference, the optical coupler PC13 is conducted, the FUSE1 is at a low level, and alarm information is sent to the single chip microcomputer, so that under the normal condition of the FUSE wire, the input end of the optical coupler PC13 has no current consumption, the normal detection power consumption is effectively reduced, and the invalid power consumption is reduced.
The utility model discloses a detect voltage differential at the both ends of fuse, the wiring of installation is all accomplished in the return circuit of the negative pole of battery, has greatly reduced because of removing the phenomenon that bad production was struck sparks, has guaranteed installer's safety.
Preferably, 4 feet of the optical coupler PC13 are signal output ends, and 4 feet of the optical coupler PC13 are connected with an IO port of an external single chip microcomputer.
Preferably, the load includes a fan controller for controlling the start of the fan, a photovoltaic controller for controlling the photovoltaic power generation device, and an electric device, and in this embodiment, the load further includes a direct current electric device such as an alarm indicator.
Preferably, the battery is a rechargeable battery.
Preferably, the positive power supply is a positive power supply used by the external single chip microcomputer.
A fuse detection circuit for communication base station, solved the not enough of traditional photovoltaic equipment's fuse detection circuit, the utility model discloses establish the use frequency that reduces electronic components and parts and reduce the consumption of components and parts, prolong the life of internal circuit, reduce the power consumption cost, the utility model discloses still add and prevent joining conversely the diode, protect the safety of opto-coupler, increase system's security.
Claims (5)
1. A fuse detection circuit for a communication base station, characterized by: the battery charging circuit comprises a battery, a load, a fuse wire, a resistor R125, an optocoupler PC13, a capacitor C72, a resistor R27, a resistor R66, a resistor R45, a capacitor C31, a diode D2 and a diode D3, wherein the anode of the battery is connected with the anode of the load, the cathode of the battery is connected with the cathode of the load through the fuse wire, the 1 pin and the 2 pin of the optocoupler PC13 are respectively connected with two ends of the fuse wire through a resistor R27 and a resistor R45, the resistor R66 and the capacitor C31 are both connected in parallel between the 1 pin and the 2 pin of the optocoupler PC13, the 4 pin of the optocoupler PC13 is connected with a positive power source through the resistor R125, the capacitor C72 is connected in parallel between the 4 pin and the 3 pin of the optocoupler PC13, the anode of the diode D2 and the anode of the diode D3 are both connected with the 2 pin of the optocoupler PC13, and the cathode of the diode D2.
2. A fuse detection circuit for a communication base station as recited in claim 1, wherein: 4 feet of the optical coupler PC13 are signal output ends, and 4 feet of the optical coupler PC13 are connected with an IO port of an external single chip microcomputer.
3. A fuse detection circuit for a communication base station as recited in claim 1, wherein: the load comprises a fan controller used for controlling the starting of the fan, a photovoltaic controller used for controlling the photovoltaic power generation equipment and electric equipment.
4. A fuse detection circuit for a communication base station as recited in claim 1, wherein: the battery is a rechargeable battery.
5. A fuse detection circuit for a communication base station as claimed in claim 2, wherein: the positive power supply is used by the external singlechip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920645487.7U CN210072042U (en) | 2019-04-30 | 2019-04-30 | Fuse detection circuit for communication base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920645487.7U CN210072042U (en) | 2019-04-30 | 2019-04-30 | Fuse detection circuit for communication base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210072042U true CN210072042U (en) | 2020-02-14 |
Family
ID=69450677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920645487.7U Active CN210072042U (en) | 2019-04-30 | 2019-04-30 | Fuse detection circuit for communication base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210072042U (en) |
-
2019
- 2019-04-30 CN CN201920645487.7U patent/CN210072042U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107345979B (en) | Insulator leakage current on-line monitoring system | |
| JP7244632B2 (en) | Composite current collectors, electrode sheets, electrochemical devices and electronic devices | |
| CN104362595A (en) | Battery pack power supply circuit capable of achieving over-temperature protection | |
| WO2021258367A1 (en) | Control circuit, battery management system, and electrochemical device | |
| CN203788055U (en) | Isolation power supply device | |
| CN210072042U (en) | Fuse detection circuit for communication base station | |
| CN212332422U (en) | Thing networking charging station with relay adhesion detects function | |
| CN205139336U (en) | Power detection circuit and gas -cooker | |
| CN103683215A (en) | Short-circuit protection circuit of electronic switch | |
| CN210724282U (en) | Overcharge protection circuit for storage battery | |
| CN114142567A (en) | Battery management circuit and battery device | |
| CN106532838A (en) | Internal circuit of charger of using USB interface of computer | |
| CN104065043A (en) | Battery under-voltage protection and display circuit | |
| CN104682934B (en) | Single-button on-off control circuit | |
| CN207705865U (en) | A kind of charging pile circuit | |
| CN206313426U (en) | A kind of short-circuit protector with warning function | |
| CN218301212U (en) | Capacitor discharge circuit | |
| CN205509846U (en) | Ammeter power failure intelligence circuit of checking meter | |
| CN210468856U (en) | Lithium battery protection circuit | |
| CN110884387A (en) | Intelligent electric vehicle | |
| CN220307125U (en) | BMS temperature difference feedback circuit | |
| CN213072130U (en) | Photovoltaic power generation electric energy saturation automatic power-off system | |
| CN217036786U (en) | BMS protection board circuit of electric tool | |
| CN202817734U (en) | Short-circuit protection circuit for electronic switch | |
| CN213426133U (en) | Adjustable infrared device for sensing distance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |