CN206281967U - A kind of device for detecting arc suppression coil device route selection function - Google Patents
A kind of device for detecting arc suppression coil device route selection function Download PDFInfo
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- CN206281967U CN206281967U CN201621459525.2U CN201621459525U CN206281967U CN 206281967 U CN206281967 U CN 206281967U CN 201621459525 U CN201621459525 U CN 201621459525U CN 206281967 U CN206281967 U CN 206281967U
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- voltmeter
- arc suppression
- suppression coil
- current
- switch
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- 230000001629 suppression Effects 0.000 title claims abstract description 31
- 238000004804 winding Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The voltage source of one end of two-phase switch is connected respectively the utility model discloses a kind of device for detecting arc suppression coil device route selection function, including input connection AC network, two-way output；The other end connects the two-phase switch of voltmeter and the input of current module respectively；Current module and voltmeter；Current module includes the ammeter being cascaded and the current signal generator for generating current signal；The output end of voltmeter and the output end of current module as arc suppression coil device to be detected collection terminal.The utility model output voltage signal can be gathered with current signal for arc suppression coil device to be detected simultaneously, and detection accuracy is high.
Description
Technical field
The utility model is related to power network detection technique field, more particularly to a kind of detection arc suppression coil device route selection function
Device.
Background technology
Arc suppression coil device has route selection function, and its route selection process is that collection ground connection change neutral point voltage or bus voltage transformer are opened
Mouth triangular voltages and circuit zero-sequence current, detect whether the current signal and voltage signal of collection change simultaneously, if so,
Then show that the circuit of collection occurs in that singlephase earth fault, it is necessary to be alarmed.
In order to whether the route selection function of determining arc suppression coil device normally detects, it is necessary to pass through detection means to it.
Detection means needs simulation output line voltage signal and current signal, and is adopted by arc suppression coil device to be detected
There is change in collection, detection means control voltage signal and current signal, then by checking whether arc suppression coil device alarms
Whether the route selection function to judge arc suppression coil device is normal.
But, in order to accurately be detected to arc suppression coil device, detection means needs outlet line electricity simultaneously
Pressure signal and current signal, and voltage signal and current signal that current detection means is exported are to control respectively, it is impossible to
Realize exporting simultaneously, therefore detection accuracy is low.
Therefore, the device for how providing a kind of detection accuracy detection arc suppression coil device route selection function high is this area
Technical staff needs the problem for solving at present.
Utility model content
The purpose of this utility model is to provide a kind of device for detecting arc suppression coil device route selection function, can export simultaneously
Voltage signal is gathered with current signal for arc suppression coil device to be detected, and detection accuracy is high.
In order to solve the above technical problems, the utility model provides a kind of dress for detecting arc suppression coil device route selection function
Put, including：
Input connection AC network, two-way output connect the voltage source of one end of two-phase switch respectively；
The other end connects the two-phase switch of voltmeter and the input of current module respectively；
The current module and the voltmeter；
The current module includes the ammeter being cascaded and occurs for generating the current signal of current signal
Device；
The output end of the output end of the voltmeter and the current module is adopted as arc suppression coil device to be detected
Collection end.
Preferably, also include：
Galvanic DC power supplier, the DC power supplier are exported for carrying out rectification to the alternating current for receiving
The 3rd tunnel input of input and the voltage source be connected, the output end of the DC power supplier connects the voltage respectively
The power end of table and the ammeter.
Preferably, the DC power supplier is specifically included：
The rectification circuit of series connection, filter circuit and mu balanced circuit.
Preferably, the current signal generator is specially resistance.
Preferably, also include：
It is arranged at the power switch between the voltage source and the AC network.
Preferably, also include：
It is arranged between the voltage source and the power switch or between the power switch and the AC network
Insurance fuse.
Preferably, the voltage source is specially voltage transformer, and the main winding of the voltage transformer is input, described
If several auxiliary winding of voltage transformer correspond to the main line output end of the voltage transformer respectively.
Preferably, the two-phase switch is specially two-phase air switch.
Preferably, the two-phase switch is specially double-point double-throw switch.
The utility model provides a kind of device for detecting arc suppression coil device route selection function, including voltage source, output end
The input two-phase of connection voltmeter and current module is switched respectively, and the output end of voltmeter and current module is respectively as to be checked
Survey the test side of arc suppression coil device.When two-phase is switched to be closed, voltage source charges to voltmeter and current module simultaneously so that
Voltmeter is carried with current module can almost output voltage signal be gathered with current signal for arc suppression coil device to be detected simultaneously
The accuracy of detection high.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment, below will be to prior art and embodiment
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
A kind of structural representation of the device of detection arc suppression coil device route selection function that Fig. 1 is provided for the utility model.
Specific embodiment
Core of the present utility model is to provide a kind of device for detecting arc suppression coil device route selection function, can export simultaneously
Voltage signal is gathered with current signal for arc suppression coil device to be detected, and detection accuracy is high.
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
The utility model provides a kind of device for detecting arc suppression coil device route selection function, including：
Input connection AC network, two-way output connect the voltage source of one end of two-phase switch respectively；
The other end connects the two-phase switch of voltmeter and the input of current module respectively；
Current module and voltmeter；
Current module includes the ammeter being cascaded and the current signal generator for generating current signal；
The output end of voltmeter and the output end of current module as arc suppression coil device to be detected collection terminal.
Wherein, order the utility model of ammeter and current signal generator is not construed as limiting in current module, you can with
The input of ammeter as current module input, it is also possible to the input of current signal generator is used as current module
Input.
In addition, AC power here can be 220V alternating currents, certainly, the utility model is not limited this.
In an advantageous embodiment, the device also includes：
Export galvanic DC power supplier for carrying out rectification to the alternating current for receiving, DC power supplier it is defeated
Enter end to be connected with the 3rd tunnel input of voltage source, the output end of DC power supplier connects the electricity of voltmeter and ammeter respectively
Source.
Voltmeter in the utility model is digital voltmeter, and grade is 0.2 grade, and resolution ratio is 0.1V；Ammeter is number
Word current table, grade is 0.2 grade, and resolution ratio is 0.1A.Certainly, the utility model not stop voltage table and ammeter is specific
Type.
It is further known that, DC power supplier is specifically included：
The rectification circuit of series connection, filter circuit and mu balanced circuit.
Certainly, in other embodiments, in addition to rectification circuit, DC power supplier can be not comprising other circuits or comprising filter
Any one circuit in wave circuit or mu balanced circuit.In addition, the utility model does not limit rectification circuit, filter circuit and voltage stabilizing electricity
The order of connection on road, as long as three kinds are connected in series.
Wherein, current signal generator here is specially resistance.Certainly, or other load class components, this reality
This is not construed as limiting with new.
In an advantageous embodiment, the device also includes：
It is arranged at the power switch between voltage source and AC network.
It is understood that switch here can also be socket, the utility model is not construed as limiting to this.
In an advantageous embodiment, the device also includes：
It is arranged at the insurance fuse between voltage source and power switch or between power switch and AC network.
In addition, voltage source is specially voltage transformer, the main winding of voltage transformer is input, if voltage transformer
If dry auxiliary winding distinguishes the main line output end of corresponding voltage transformer.
Wherein, voltage transformer exports 30V to voltmeter, output 12V to current module, output 15V to dc source mould
Block.Certainly, preferred scheme is these are only, specific output voltage the utility model of voltage transformer is not construed as limiting.
In addition, the voltage conversion that current module will be received is for 250mA current signals are exported.Certainly, these are only preferred side
Case, the current value of the utility model not output current signal of current limit module.
In an advantageous embodiment, two-phase switch is specially two-phase air switch.
In an advantageous embodiment, two-phase switch is specially double-point double-throw switch.
It is shown in Figure 1, a kind of device of detection arc suppression coil device route selection function that Fig. 1 is provided for the utility model
Structural representation.Wherein, voltage module includes digital electronic ammeter, and power module includes voltage transformer and insurance fuse and electricity
Source switch.
The utility model provides a kind of device for detecting arc suppression coil device route selection function, including voltage source, output end
The input two-phase of connection voltmeter and current module is switched respectively, and the output end of voltmeter and current module is respectively as to be checked
Survey the test side of arc suppression coil device.When two-phase is switched to be closed, voltage source charges to voltmeter and current module simultaneously so that
Voltmeter is carried with current module can almost output voltage signal be gathered with current signal for arc suppression coil device to be detected simultaneously
The accuracy of detection high.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
It is bright.
Also, it should be noted that in this manual, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include that
A little key elements, but also other key elements including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", does not arrange
Except also there is other identical element in the process including the key element, method, article or equipment.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
1. it is a kind of detect arc suppression coil device route selection function device, it is characterised in that including：
Input connection AC network, two-way output connect the voltage source of one end of two-phase switch respectively；
The other end connects the two-phase switch of voltmeter and the input of current module respectively；
The current module and the voltmeter；
The current module includes the ammeter being cascaded and the current signal generator for generating current signal；
The output end of the output end of the voltmeter and the current module as arc suppression coil device to be detected collection terminal.
2. device according to claim 1, it is characterised in that also include：
Export galvanic DC power supplier for carrying out rectification to the alternating current for receiving, the DC power supplier it is defeated
Enter end to be connected with the input of the 3rd tunnel of the voltage source, the output end of the DC power supplier connect respectively the voltmeter with
And the power end of the ammeter.
3. device according to claim 2, it is characterised in that the DC power supplier is specifically included：
The rectification circuit of series connection, filter circuit and mu balanced circuit.
4. device according to claim 1, it is characterised in that the current signal generator is specially resistance.
5. device according to claim 1, it is characterised in that also include：
It is arranged at the power switch between the voltage source and the AC network.
6. device according to claim 5, it is characterised in that also include：
It is arranged at the insurance between the voltage source and the power switch or between the power switch and the AC network
Fuse.
7. device according to claim 1, it is characterised in that the voltage source is specially voltage transformer, the voltage
The main winding of transformer is input, if several auxiliary winding of the voltage transformer correspond to the voltage transformer respectively
Main line output end.
8. device according to claim 1, it is characterised in that the two-phase switch is specially two-phase air switch.
9. device according to claim 1, it is characterised in that the two-phase switch is specially double-point double-throw switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459525.2U CN206281967U (en) | 2016-12-28 | 2016-12-28 | A kind of device for detecting arc suppression coil device route selection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459525.2U CN206281967U (en) | 2016-12-28 | 2016-12-28 | A kind of device for detecting arc suppression coil device route selection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206281967U true CN206281967U (en) | 2017-06-27 |
Family
ID=59071302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621459525.2U Active CN206281967U (en) | 2016-12-28 | 2016-12-28 | A kind of device for detecting arc suppression coil device route selection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206281967U (en) |
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2016
- 2016-12-28 CN CN201621459525.2U patent/CN206281967U/en active Active
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