CN207036965U - High voltage electric field and the test device in magnetic field - Google Patents
High voltage electric field and the test device in magnetic field Download PDFInfo
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- CN207036965U CN207036965U CN201720993293.7U CN201720993293U CN207036965U CN 207036965 U CN207036965 U CN 207036965U CN 201720993293 U CN201720993293 U CN 201720993293U CN 207036965 U CN207036965 U CN 207036965U
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- electric field
- high voltage
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- voltage electric
- time relay
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Abstract
The utility model discloses a kind of high voltage electric field and the test device in magnetic field; include master switch, time relay controlling switch, the time relay, protection device, high voltage electric field generator and high voltage electric field generator controlling switch including detection circuit and control circuit, the control circuit；The detection circuit includes first electrode, second electrode, lowering or hoisting gear and scale below second electrode；Electric field or magnetic field, test electric energy meter, the electric field of terminal class product or the immunity to interference in magnetic field are formed between the two poles of the earth by high pressure generator.The utility model has the advantages that：Cost is low, circuit is simple, small volume, is easy to make, and immunity to interference dynamic range is big；Control discharge time passage time, realize the adjustment of electric field and magnetic interference time；By lowering or hoisting gear and scale, the adjustment of electric field and magnetic interference intensity is realized.
Description
Technical field
The anti-interference technical field of measurement and test of electric field and magnetic field is the utility model is related to, more particularly, to a kind of cost is low, circuit
Simply, small volume, it is easy to make；Immunity to interference dynamic range is big；Interference time can adjust；The adjustable high voltage electric field of interference strength
With the test device in magnetic field.
Background technology
Present electronic installation, such as electric energy meter, terminal etc. are all more and more accurate, and circuit level is also more and more high.Cause
This is, it is necessary to carry out the immunity to interference test in electric field and magnetic field, this work is considerable for the stability of product.Carry out
The target of the immunity to interference in electric field and magnetic field test is in the environment of high voltage electric field and magnetic field, and whether detection device can normally be transported
Turn.The circuit of the existing anti-interference detection means of electrostatic field is all very complicated, is only used for the test in electric field or magnetic field, interference time
It can not adjust.
Utility model content
For the utility model in order to overcome the circuit of anti-interference detection means in the prior art all very complicated, interference time can not
Adjustment, the small deficiency of immunity to interference dynamic range, it is proposed that a kind of cost is low, circuit is simple, small volume, is easy to make；Immunity to interference
Dynamic range is big；Interference time can adjust；The adjustable high voltage electric field of interference strength and the test device in magnetic field.
To achieve these goals, the utility model employs following technical scheme：
A kind of high voltage electric field and the test device in magnetic field, including detection circuit and control circuit, the control circuit include
Master switch, time relay controlling switch, the time relay, protection device, high voltage electric field generator and high voltage electric field generator
Controlling switch；One end of master switch and power electric connection, the other end of master switch respectively with high voltage electric field generator controlling switch
One end, time relay controlling switch one end and detection circuit electrical connection, high voltage electric field generator controlling switch it is another
End electrically connects with one end of high voltage electric field generator, the other end of time relay controlling switch and one end electricity of the time relay
Connection, one end of the protection device other end with high voltage electric field generator, the other end of the time relay and detection circuit respectively
Electrical connection, the other end and power electric connection of protection device.
The utility model passage time Control discharge time, so as to control the time of interference, occurred by high pressure
Device forms electric field or magnetic field, test electric energy meter, the electric field of terminal class product or the immunity to interference in magnetic field between the two poles of the earth.
Preferably, detection circuit includes first electrode, second electrode, lowering or hoisting gear and mark below second electrode
Chi；First electrode electrically connects with time relay switch, and second electrode electrically connects with the time relay.
Preferably, first electrode and second electrode are laterally disposed, second electrode is located at below first electrode, and scale erects
To the same side for being positioned over first electrode and second electrode.
Preferably, detection circuit includes first coil, the second coil, lowering or hoisting gear and mark below the second coil
Chi；First coil electrically connects with time relay switch respectively, and the second coil electrically connects with the time relay.
Preferably, first coil and the second coil are laterally disposed, the second coil is located at below first coil, and scale erects
To the same side for being positioned over first coil and the second coil.
Preferably, lowering or hoisting gear is screw thread lifting platform.
Preferably, protection device is air switch.
Therefore, the utility model has the advantages that：（1）Cost of the present utility model is low, circuit is simple, volume
It is small, it is easy to make, immunity to interference dynamic range is big；（2）Passage time relay sets interference time, realizes electric field and magnetic field is done
Disturb the adjustment of time；（3）The distance between the two poles of the earth are adjusted by lowering or hoisting gear, realize electric field and the tune of magnetic interference intensity
It is whole.
Brief description of the drawings
Fig. 1 is a kind of circuit diagram of control circuit of the present utility model；
Fig. 2 is a kind of circuit diagram of the utility model detection circuit.
In figure：Detect circuit 1, control circuit 2, testee 3, first electrode 11, second electrode 12, lowering or hoisting gear 13,
Scale 14, master switch 21, time relay controlling switch 22, the time relay 23, protection device 24, high voltage electric field generator
25th, high voltage electric field generator controlling switch 26, time relay contact switch 231.
Embodiment
The utility model is described further with embodiment below in conjunction with the accompanying drawings：
Embodiment 1
Embodiment as shown in Figure 1 is the test device in a kind of high voltage electric field and magnetic field, including detection circuit 1 and control electricity
Road 2, control circuit include master switch 21, time relay controlling switch 22, the time relay 23, protection device 24, high-tension electricity
Field generator 25 and high voltage electric field generator controlling switch 26, protection device are air switch, in addition to testee 3；Always open
One end of pass and power electric connection, the other end of master switch respectively one end with high voltage electric field generator controlling switch, the time after
One end of electric control switch and detection circuit electrical connection, the other end and the high voltage electric field of high voltage electric field generator controlling switch are sent out
One end electrical connection of raw device, the other end of time relay controlling switch electrically connect with one end of the time relay, air switch
One end respectively the other end with high voltage electric field generator, the time relay the other end and detection circuit electrically connect, air is opened
The other end and power electric connection of pass.
As shown in Fig. 2 detection circuit includes first electrode 11, second electrode 12, the lifting dress below second electrode
Put 13 and scale 14, lowering or hoisting gear is screw thread lifting platform, in addition to time relay contact switch 231；First electrode and time
Relay switch electrically connects, and second electrode electrically connects with the time relay；First electrode and second electrode are laterally disposed, and second
Electrode is located at below first electrode, and scale is vertically positioned over the same side of first electrode and second electrode.
Test process of the present utility model：
By testee place on the second electrode, according to correlation formula calculate between first electrode and second electrode away from
From the distance between the two poles of the earth being adjusted by lowering or hoisting gear and scale, so as to obtain satisfactory field strength；Close control circuit
Master switch, to electric in control circuit；Closed high field generator controlling switch, makes high pressure generator in running order；Root
Require to set the time on the time relay according to the interference time needed for test, closing time relay control switch, make the time
Relay is in running order；After the time relay is started working, time relay contact switch closure, high pressure generator is to the
One electrode and a little electrode discharge, form electric field between the two poles of the earth；After the time time set on the time relay is reached, when
Between relay contact switch disconnect, detection circuit disconnects, without electric field between two electrodes；Required when voltage in circuit or electric current exceed
When, protection device work, cut off circuit power, can effectively protection device it is safe.
Embodiment 2
Embodiment 2 includes all structure and step parts of embodiment 1, and the detection circuit in embodiment 2 includes First Line
Circle, the second coil, lowering or hoisting gear and scale below the second coil；First coil is electrically connected with time relay switch respectively
Connect, the second coil electrically connects with the time relay；First coil and the second coil are laterally disposed, and the second coil is located at First Line
Circle lower section, scale are vertically positioned over the same side of first coil and the second coil.
It should be understood that the present embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.In addition
It should be understood that after the content of the utility model instruction has been read, those skilled in the art can make various to the utility model
Change or modification, these equivalent form of values equally fall within the application appended claims limited range.
Claims (7)
1. a kind of high voltage electric field and the test device in magnetic field, it is characterised in that including detecting circuit（1）And control circuit（2）, institute
Stating control circuit includes master switch（21）, time relay controlling switch（22）, the time relay（23）, protection device（24）、
High voltage electric field generator（25）With high voltage electric field generator controlling switch（26）；One end of master switch and power electric connection, are always opened
One end with high voltage electric field generator controlling switch, one end of time relay controlling switch and detection are electric respectively for the other end of pass
Road electrically connects, and the other end of high voltage electric field generator controlling switch electrically connects with one end of high voltage electric field generator, time relay
The other end of device controlling switch electrically connects with one end of the time relay, one end of protection device respectively with high voltage electric field generator
The other end, the time relay the other end and detection circuit electrical connection, the other end and power electric connection of protection device.
2. high voltage electric field according to claim 1 and the test device in magnetic field, it is characterised in that the detection circuit includes
First electrode（11）, second electrode（12）, the lowering or hoisting gear below second electrode（13）And scale（14）；First electrode with
Time relay switch electrical connection, second electrode electrically connect with the time relay.
3. high voltage electric field according to claim 2 and the test device in magnetic field, it is characterised in that first electrode and the second electricity
Extremely laterally disposed, second electrode is located at below first electrode, and scale is vertically positioned over the same of first electrode and second electrode
Side.
4. high voltage electric field according to claim 1 and the test device in magnetic field, it is characterised in that the detection circuit includes
First coil, the second coil, lowering or hoisting gear and scale below the second coil；First coil is opened with the time relay respectively
Powered-down connection, the second coil electrically connect with the time relay.
5. high voltage electric field according to claim 4 and the test device in magnetic field, it is characterised in that first coil and the second line
Circle is laterally disposed, and the second coil be located at first coil lower section, and scale is vertically positioned over the same of first coil and the second coil
Side.
6. high voltage electric field according to claim 2 and the test device in magnetic field, it is characterised in that the lowering or hoisting gear is spiral shell
Line lifting platform.
7. the test device of the high voltage electric field and magnetic field according to claim 1 or 2 or 3 or 4 or 5 or 6, it is characterised in that
Protection device is air switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720993293.7U CN207036965U (en) | 2017-08-09 | 2017-08-09 | High voltage electric field and the test device in magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720993293.7U CN207036965U (en) | 2017-08-09 | 2017-08-09 | High voltage electric field and the test device in magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207036965U true CN207036965U (en) | 2018-02-23 |
Family
ID=61473875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720993293.7U Active CN207036965U (en) | 2017-08-09 | 2017-08-09 | High voltage electric field and the test device in magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207036965U (en) |
-
2017
- 2017-08-09 CN CN201720993293.7U patent/CN207036965U/en active Active
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