CN204439791U - A kind of power supply protection function pick-up unit - Google Patents
A kind of power supply protection function pick-up unit Download PDFInfo
- Publication number
- CN204439791U CN204439791U CN201420791774.6U CN201420791774U CN204439791U CN 204439791 U CN204439791 U CN 204439791U CN 201420791774 U CN201420791774 U CN 201420791774U CN 204439791 U CN204439791 U CN 204439791U
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- power supply
- debugging
- safety circuit
- pick
- circuit
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Abstract
The utility model discloses a kind of power supply protection function pick-up unit, comprise the debugging of power supply safety circuit, pick-up unit main frame and debugging cable etc., described power supply safety circuit debugging, pick-up unit main frame are connected to civil power by power supply input debugging cable, export debugging cable by power supply and be connected to safety circuit power end, by ground wire debugging cable with being connected on safety circuit detection, safely.A kind of power supply safety circuit pick-up unit that the utility model provides, safety circuit is detected indispensable Zenith tracking module, drain voltage detection module, leakage current test module, ground wire detection module integrated installation in a mainframe box, only need stir detection and the debugging that change-over switch can complete difference in functionality, simple to operation.There is the advantages such as structure is simple, easy to operate, safe and reliable, can promote in batches.
Description
Technical field
The utility model belongs to vehicle-carrying communication circuit engineering field, particularly a kind of communication car power source protection function pick-up unit.
Background technology
Power supply safety circuit has now been widely used in communication truck carries out Electrical Safety protection, mainly has the functions such as overvoltage protection, drain voltage protection, residual current protection and ground wire detection, becomes the important component part of communication car power source system.The debugging of power supply safety circuit and inspection need the simulation fault such as " superpotential ", " drain voltage " just can carry out, and conventional method often carries out a kind of debugging of defencive function and inspection all will build a peripheral circuit, has the following disadvantages:
Consuming time, the debugging of each difference in functionality and inspection need a large amount of time wiring to build circuit, inefficiency;
Peripheral circuit is complicated, and wiring easily makes mistakes, fragile device;
Device is scattered, unshielded, there is potential safety hazard;
Cable is messy, is inconvenient to take care of, and reuses difficulty, causes waste;
Carry inconvenience, be not easy to use of getting on the bus.
Utility model content
The purpose of this utility model is the power supply protection function pick-up unit overcoming deficiency in the debugging of above-mentioned safety circuit, detection and provide a kind of structure simple, easy to operate, safe and reliable.
The technical solution of the utility model is as follows:
A kind of power supply protection function pick-up unit, comprise the debugging of power supply safety circuit, pick-up unit main frame and debugging cable, described power supply safety circuit debugging, pick-up unit main frame are connected to civil power by power supply input debugging cable, export debugging cable by power supply and be connected to safety circuit power end, by ground wire debugging cable with being connected on safety circuit detection, safely;
Described power supply safety circuit debugging, pick-up unit main frame comprise overvoltage detection circuit module, drain voltage testing circuit module, leakage current detection circuit module and ground line detection circuit module.
Further, described Zenith tracking module comprises pressure regulator, transformer, change-over switch, voltage table; Supply voltage is raised, delivers to power supply safety circuit by output interface;
Described drain voltage detection module comprises pressure regulator, transformer, change-over switch, voltage table (sharing with Zenith tracking module), is built into drain voltage testing circuit delivers to power supply safety circuit by output interface by change-over switch switching;
Described leakage current test module comprises current-limiting resistance, adjustable potentiometer, reometer; Described ground wire detection module comprises resistance, adjustable resistor, change-over switch.
Described debugging cable comprises power supply input debugging cable, power supply exports debugging cable, ground wire debugging cable.
The utility model compared with prior art has the following advantages:
Safety circuit is detected indispensable Zenith tracking module, drain voltage detection module, leakage current test module, ground wire detection module integrated installation in a mainframe box by the utility model, only need stir detection and the debugging that change-over switch can complete difference in functionality, simple to operation;
Device integrated installation, safe and reliable;
The method for designing that the utility model proposes is simple, and circuit reliability is high, cost is low.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of power supply of the present utility model security personnel pick-up unit;
Fig. 2 is the panel schematic diagram of power supply of the present utility model security personnel pick-up unit main frame;
Fig. 3 is the back schematic diagram of power supply of the present utility model security personnel pick-up unit main frame.
Embodiment
Below in conjunction with the drawings and specific embodiments, detailed construction of the present invention and principle of work are further described.
As shown in accompanying drawing 1,2 and 3: a kind of power supply protection function pick-up unit, comprise the debugging of power supply safety circuit, pick-up unit main frame and debugging cable etc., described power supply safety circuit debugging, pick-up unit main frame are connected to civil power by power supply input debugging cable, export debugging cable by power supply and be connected to safety circuit power end, by ground wire debugging cable with being connected on safety circuit detection, safely.
The debugging of described power supply safety circuit, pick-up unit main frame comprise overvoltage detection circuit module, drain voltage testing circuit module, leakage current detection circuit module, line detection circuit module.
Described Zenith tracking module comprises pressure regulator, transformer, change-over switch, voltage table etc.Supply voltage is raised, delivers to power supply safety circuit by output interface.
Described drain voltage detection module comprises pressure regulator, transformer, change-over switch, voltage table etc. (sharing with Zenith tracking module), is built into drain voltage testing circuit delivers to power supply safety circuit by output interface by change-over switch switching.
Described leakage current test module comprises current-limiting resistance, adjustable potentiometer, reometer etc.
Described ground wire detection module comprises resistance, adjustable resistor, change-over switch etc.
Described debugging cable comprises power supply input debugging cable, power supply exports debugging cable, ground wire debugging cable etc.
Principle of work of the present invention and using method are:
Zenith tracking: change-over switch is allocated to superpotential position, power supply power supply raises by pressure regulator and transformer composition booster circuit, sends into debugged power supply safety circuit power end, voltage table directly shows and sends into magnitude of voltage by power output cable.
Drain voltage detects: change-over switch is allocated to drain voltage position, civil power directly sends into debugged power supply safety circuit power end by power output cable, and pressure regulator and transformer composition reduction voltage circuit send into debugged power supply safety circuit by forming adjustable drain voltage by ground wire debugging cable.
Leakage current test: change-over switch is allocated to leakage current position, leakage current test cable by leakage current test module, forms leakage current, regulator potentiometer tuned leakage current size after the power taking of power supply safety circuit power supply, reometer display leakage current value.
Ground wire detects: change-over switch is allocated to ground line position, and the composition such as resistance, adjustable resistor, change-over switch ground line detection circuit signal sends into power supply safety circuit.
By reference to the accompanying drawings exemplary description is carried out to the utility model above; obvious realization of the present utility model is not subject to the restrictions described above; as long as have employed the various improvement that technical solutions of the utility model are carried out; or design of the present utility model and technical scheme directly applied to other occasion, all in protection domain of the present utility model without to improve.
Claims (2)
1. a power supply protection function pick-up unit, it is characterized in that, comprise the debugging of power supply safety circuit, pick-up unit main frame and debugging cable, described power supply safety circuit debugging, pick-up unit main frame are connected to civil power by power supply input debugging cable, export debugging cable by power supply and be connected to safety circuit power end, by ground wire debugging cable with being connected on safety circuit detection, safely; Described power supply safety circuit debugging, pick-up unit main frame comprise overvoltage detection circuit module, drain voltage testing circuit module, leakage current detection circuit module and ground line detection circuit module.
2. a kind of power supply protection function pick-up unit according to claim 1, it is characterized in that, described Zenith tracking module comprises pressure regulator, transformer, change-over switch, voltage table; Supply voltage is raised, delivers to power supply safety circuit by output interface; Described drain voltage detection module comprises pressure regulator, transformer, change-over switch, voltage table, is built into drain voltage testing circuit delivers to power supply safety circuit by output interface by change-over switch switching; Described leakage current test module comprises current-limiting resistance, adjustable potentiometer, reometer; Described ground wire detection module comprises resistance, adjustable resistor, change-over switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420791774.6U CN204439791U (en) | 2014-12-16 | 2014-12-16 | A kind of power supply protection function pick-up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420791774.6U CN204439791U (en) | 2014-12-16 | 2014-12-16 | A kind of power supply protection function pick-up unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204439791U true CN204439791U (en) | 2015-07-01 |
Family
ID=53607641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420791774.6U Expired - Fee Related CN204439791U (en) | 2014-12-16 | 2014-12-16 | A kind of power supply protection function pick-up unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204439791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772924A (en) * | 2017-03-01 | 2017-05-31 | 华中光电技术研究所（中国船舶重工集团公司第七七研究所） | The debugging apparatus and adjustment method of a kind of continuous zooming optical camera motion component |
-
2014
- 2014-12-16 CN CN201420791774.6U patent/CN204439791U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772924A (en) * | 2017-03-01 | 2017-05-31 | 华中光电技术研究所（中国船舶重工集团公司第七七研究所） | The debugging apparatus and adjustment method of a kind of continuous zooming optical camera motion component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20171216 |