CN217213101U - Safety detection circuit of power supply system - Google Patents
Safety detection circuit of power supply system Download PDFInfo
- Publication number
- CN217213101U CN217213101U CN202220234323.7U CN202220234323U CN217213101U CN 217213101 U CN217213101 U CN 217213101U CN 202220234323 U CN202220234323 U CN 202220234323U CN 217213101 U CN217213101 U CN 217213101U
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- CN
- China
- Prior art keywords
- power supply
- distribution cabinet
- supply system
- detection device
- power distribution
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- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model aims at providing a power supply system's safety inspection circuit, its characterized in that: one end of a itinerant detection device 4 with a voltmeter 1 is connected with a power supply 2 of a power distribution cabinet 3, and the other end of the itinerant detection device is connected with a connecting line between the power distribution cabinet 3 and an electric appliance 5. Due to the fact that the detection circuit of the voltmeter 1 is added, on-line or regular safety monitoring of the conducting state of the power distribution cabinet 3 is achieved.
Description
The technical field is as follows:
the utility model relates to a power supply system's safety inspection circuit.
Background art:
the safety detection of a power distribution cabinet between a power supply and an electrical appliance of the existing power supply system is manually operated, and the detection must be carried out one by one on circuit connection points.
The invention content is as follows:
an object of the utility model is to provide a power supply system's safety inspection circuit, its characterized in that: one end of a itinerant detection device 4 with a voltmeter 1 is connected with a power supply 2 of a power distribution cabinet 3, and the other end of the itinerant detection device is connected with a connecting line between the power distribution cabinet 3 and an electric appliance 5. After the power supply system is started, as long as the switch contact or any line connection point in the power distribution cabinet 3 is in abnormal electrical contact, the voltmeter 1 generates abnormal display (namely, voltage drop is generated due to poor contact and heating of the switch contact or the line connection point). The itinerant detection device 4 is a multi-terminal input voltage itinerant detection device which has alarm threshold setting, data storage, alarm, data wired and wireless transmission functions besides the voltmeter 1.
Due to the fact that the detection circuit of the voltmeter 1 is added, on-line or regular safety monitoring of the conducting state of the power distribution cabinet 3 is achieved.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 and fig. 1 are schematic diagrams of a specific connection structure.
Fig. 3 is a functional configuration diagram of the circuit inspection device 4.
The specific implementation mode is as follows:
example 1:
referring to fig. 1 and fig. 2, one end of a itinerant detection device 4 with a voltmeter 1 is connected with a power supply 2 of a power distribution cabinet 3, and the other end is connected with a connecting line between the power distribution cabinet 3 and an electrical appliance 5. The traditional detection needs to manually measure the temperature one by using a temperature measuring gun so as to judge whether the temperature is abnormal or not. After the detection circuit is adopted, if the detected branch circuit generates heat to cause voltage drop due to poor contact of a switch contact or a line connecting point in the power distribution cabinet 3, the voltage drop is displayed on the voltmeter 1. And then the branch is manually detected by the staff.
Example 2:
referring to fig. 1, 2 and 3, the circuit detecting device 4 is a multi-terminal input voltage circuit detecting device having functions of alarm threshold setting, data storage, alarm, data wired and wireless transmission, in addition to the voltmeter 1. The itinerant detection device 4 comprises a multi-path voltage input sampling module 8 for detecting the voltage input value of each point of a detected point; the alarm threshold setting module 9 is used for setting the number of values of the voltage of the detection point, and generating an alarm signal; the data storage module 10 is used for recording and storing alarm data of detected points; the alarm output module 11 is used for generating sound and light alarm signals; and the data transmission module 12 is used for transmitting the detection data to other associated equipment (in a wired or wireless transmission mode). Because there are a plurality of branch circuits in switch board 3, every branch circuit has a plurality of circuit tie points, and every switch contact and circuit tie point all probably generate heat and produce the pressure drop, like master switch 6, each branch circuit switch 7 etc. consequently need each branch circuit sampling test to guarantee can monitor comprehensively. The rest is the same as in example 1. The roving inspection device 4 is available on the market. By continuously detecting the voltage of each branch, the automatic monitoring of the conducting state of each branch in the full-time power distribution cabinet 3 can be realized.
Claims (2)
1. A safety detection circuit for a power supply system, characterized by: one end of a itinerant detection device (4) with a voltmeter (1) is connected with a power supply (2) of a power distribution cabinet (3), and the other end of the itinerant detection device is connected with a connecting line between the power distribution cabinet (3) and an electric appliance (5).
2. The safety detection circuit of a power supply system according to claim 1, characterized in that: the itinerant detection device (4) is a multi-end input voltage itinerant detection device which has the functions of alarm threshold setting, data storage, alarm, data wired and wireless transmission besides the voltmeter (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220234323.7U CN217213101U (en) | 2022-01-28 | 2022-01-28 | Safety detection circuit of power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220234323.7U CN217213101U (en) | 2022-01-28 | 2022-01-28 | Safety detection circuit of power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217213101U true CN217213101U (en) | 2022-08-16 |
Family
ID=82794733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220234323.7U Active CN217213101U (en) | 2022-01-28 | 2022-01-28 | Safety detection circuit of power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217213101U (en) |
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2022
- 2022-01-28 CN CN202220234323.7U patent/CN217213101U/en active Active
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| GR01 | Patent grant |