CN208314075U - A kind of test device of direct current current divider - Google Patents
A kind of test device of direct current current divider Download PDFInfo
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- CN208314075U CN208314075U CN201821021623.7U CN201821021623U CN208314075U CN 208314075 U CN208314075 U CN 208314075U CN 201821021623 U CN201821021623 U CN 201821021623U CN 208314075 U CN208314075 U CN 208314075U
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- sample probe
- current divider
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- probe component
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Abstract
The utility model relates to a kind of test devices of direct current current divider, test equipment including current divider to be measured and for measuring current divider to be measured, current divider to be measured has two sampled signal holes, it is characterized by also including tooling clamp tools, the tooling clamp tool includes the first sample probe component being in contact with a sampled signal hole, the second sample probe component being in contact with another sampled signal hole, fixed plate, the bracket being mounted in fixed plate, first sample probe component and the second sample probe component are connected with current divider to be measured, adjusting rod is installed on the bracket, be equipped on the adjusting rod drive both the first sample probe component and the second sample probe component mutually close to or far from spacing adjust component, first sample probe component, second sample probe component is installed on spacing and adjusts component both ends.The raising current divider sampling precision grade and production efficiency of effect.Meet the requirement of the industries such as the high electric car of accuracy class, aerospace, charging station.
Description
Technical field
The utility model relates to a kind of test bearing calibrations of direct current current divider, particularly relate to a kind of survey of direct current current divider
Trial assembly is set.
Background technique
Current divider can be used for telecommunication equipment, electric car, aerospace, charging station, electroplating power supply, letter instruments and meters,
The fields such as direct current electric transmission and transformation system.
Current divider concept is derived from a resistance original part in parallel when instrument range extension, in DC circuit with equal voltages
Magneto-electric ammeter gauge outfit is in parallel, plays the role of shunting, for extending the range of ammeter.Original direct current current divider early stage
Due to the restriction of every technology such as instrument be not to current divider sampling accuracy requirement it is particularly severe, mostly use double bridge formula greatly
Test correction.But with electronics industry and information-based rapid development, in order to meet production efficiency and the high use of sampling precision
It is required that opening up new market, the test bearing calibration of this Novel diverter is developed.
Utility model content
The utility model proposes a kind of test device of direct current current divider, it compared with prior art, using normalized current
The test of table method, instead of traditional bridge test method, direct-electrifying, while ensure that the sampling accuracy of current divider, significantly
The efficiency for improving the correction test of current divider, solves the above problem present in use process in the prior art.
The technical solution of the utility model is achieved in that
A kind of test device of direct current current divider, the test including current divider to be measured and for measuring current divider to be measured are set
It is standby, current divider to be measured have two sampled signal holes, it is characterised in that: further include tooling clamp tool, the tooling clamp tool include with
The first sample probe component that one sampled signal hole is in contact, the second sample probe being in contact with another sampled signal hole
Component, fixed plate, the bracket being mounted in fixed plate, the first sample probe component and the second sample probe component and shunting to be measured
Device is connected, and is equipped with adjusting rod on the bracket, is equipped on the adjusting rod and drives the first sample probe component and the
Both two sample probe components mutually close to or far from spacing adjust component, the first sample probe component, the second sample probe group
Part is installed on spacing and adjusts component both ends.
Preferably, the through-hole for through slot being provided on bracket and being communicated with through slot is combined with adjusting screw rod, adjusting rod in through-hole
One end is fixed in through slot and through adjusting screw rod.
Preferably, it includes two levelling levers that spacing, which adjusts component, is equipped with the first sample probe on a levelling lever
Component, another levelling lever are equipped with the second sample probe component, and the first through slot and first is provided on the adjusting rod and is led to
Hole is embedded with standing screw in first through hole, and two levelling levers are embedded to one on the other in the first through slot and through standing screw pressure
It fastens.
Preferably, the first sample probe component includes that the first thief rod and the first sampling being mounted on thief rod are visited
Needle, the second sample probe component include the second thief rod and the second sample probe being mounted on thief rod, two Level tunes
Bar is equipped with the sampling regulating tank to match with the first thief rod and the second thief rod and the limit communicated with sampling regulating tank is logical
Hole is equipped with Limit screw in limiting through hole.
Preferably, current divider to be measured includes copper-manganese plate and the first brass sheet for being symmetrically disposed on copper-manganese plate two sides and the
Two brass sheetes.
Preferably, test equipment includes current source, multimeter, standard amperemeters and test clamp tool, current source, electric current
Table, current divider to be measured are connected in series, and the first sample probe, the second sample probe are inserted into the sampled signal hole of current divider, and first
Sample probe, the second sample probe connecting test line to multimeter.
Preferably, test clamp tool includes the first copper bar, the second copper bar, left insulation board, right insulation board, the first cylinder and the
Two cylinders, the first copper bar, left insulation board and the first cylinder are sequentially connected setting and form left clamp assembly, the output of the first cylinder
Bar is connected with left cover, and the second copper bar, right insulation board and the second cylinder are sequentially connected setting and form right clamp assembly, the second gas
The output rod of cylinder is connected with right cover plate, and the first brass sheet of current divider to be measured is placed on the first copper bar, and the of current divider to be measured
Two brass sheetes are placed on the second copper bar.
In conclusion the utility model has the beneficial effects that:
1, it is tested using standard amperemeters method, significantly improves the intuitive of the test correction of current divider, can directly watch
To the voltage drop value of current divider.
2, original sample of signal pen is replaced using probe, preventing the position that sampling pen is put, to obtain inconsistency bring inclined
Difference.
3, probe can directly correct just in one side of telltale hole, tested instead of pervious with test pencil, turning over school
Just, operating efficiency significantly improves.
Test method is effective to improve current divider sampling precision grade and production efficiency by the design.Meet precision etc.
The requirement of the industries such as grade high electric car, aerospace, charging station.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the test circuit diagram of the utility model the utility model direct current current divider；
Fig. 2 is the structural schematic diagram of the utility model test device
Fig. 3 is the structural schematic diagram of tooling clamp tool.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model 1-3, to the technical scheme in the embodiment of the utility model
It is clearly and completely described, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than complete
The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, is fallen within the protection scope of the utility model.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, the utility model discloses a kind of test devices of direct current current divider, including to be measured point
Device 100 and the test equipment for measuring current divider to be measured are flowed, it further includes work that current divider to be measured, which has two sampled signal holes 101,
Clamping jig 1, the tooling clamp tool 1 include the first sample probe component being in contact with a sampled signal hole and another
The second sample probe component that sampled signal hole is in contact, fixed plate 18, the bracket 17 being mounted in fixed plate 18, bracket use
Vertical bar, this programme vertical bar and fixed plate right angle setting, the first sample probe component and the second sample probe component with it is to be measured
Current divider 100 is connected, and is equipped with adjusting rod 11 on the bracket 17, is equipped on the adjusting rod 11 and drives the first sampling
Both probe assembly and the second sample probe component mutually close to or far from spacing adjust component, the first sample probe component, the
Two sample probe components are installed on spacing and adjust component both ends.Utilize the first sample probe component and the second sample probe component generation
For original sample of signal pen, prevents the position that sampling pen is put and obtain inconsistency bring deviation.Probe is just in sampled signal
Kong Yifang can directly be corrected, and be tested instead of pervious with test pencil, turn over correction, operating efficiency significantly improves.
The through-hole for being provided with through slot 17-1 on bracket 17 and communicating with through slot is combined with adjusting screw rod 14 in through-hole, adjusts
11 one end of bar is in through slot 17-1 and the screw portion through adjusting screw rod 14 and adjusting rod end surface contradict realization and fix, and is needing
When adjusting 11 longitudinal separation of adjusting rod, it is only necessary to rotate adjusting screw rod to realize that adjusting rod and through slot 17-1's is elastic.
It includes two levelling levers 21 that spacing, which adjusts component, is equipped with the first sample probe on 22, one levelling lever 21
Component, another levelling lever 22 are equipped with the second sample probe component, and the first through slot 11-1 is provided on the adjusting rod 11
And first through hole, it is embedded with standing screw 20 in first through hole, two levelling levers are embedded in the first through slot one on the other and pass through
Standing screw 20 is fixed, when needing to adjust levelling lever 21 at a distance from levelling lever 22, rotary fixing screw bar 20,
When the screw portion that standing screw 20 rotates outward standing screw leaves Level tune rod end surface, it can realize that levelling lever exists
It is elastic in first through slot 11-1, so that it may to realize the relative distance for adjusting two levelling levers.
First sample probe component includes the first thief rod and the first sample probe 12 being mounted on thief rod, and second
Sample probe component includes the second thief rod and the second sample probe 16 being mounted on thief rod, is set on two levelling levers
The limiting through hole for having the sampling regulating tank 23 with the first thief rod and the matching of the second thief rod and being communicated with sampling regulating tank 23,
Sampling regulating tank 23 is mounted on levelling lever 21,22 end of levelling lever, and sampling regulating tank 23 uses hollow, i.e., first takes
Sample bar and the second thief rod are rectangular, and are adapted to the sampling regulating tank 23 of hollow, and Limit screw is equipped in limiting through hole,
Limit screw includes left limit screw rod 13 and right limit screw rod 15, and the first sample probe component and the second sample probe component can
To realize the adjusting of longitudinal separation, specific implementation are as follows: when rotating left limit screw rod 13 or right limit screw rod 15, such as left limit
When position screw rod 13 or right limit screw rod 15 rotate outward, left limit screw rod 13 or right limit screw rod 15 can be far from the sampling tune of hollow
Save slot 23, so that embedded in sampling regulating tank 23 in the first thief rod or the second thief rod can front and back adjustment, before realization
The adjusting of spacing afterwards.
Current divider to be measured includes copper-manganese plate 6 and the first brass sheet 61 and second for being symmetrically disposed on 6 two sides of copper-manganese plate
Brass sheet 62.
Test equipment includes that current source 104, multimeter 102, ammeter 103 and test clamp tool, multimeter 102 use
Be voltmeter, current source 104, ammeter 103, current divider to be measured 100 are connected in series, the sampling of the first sample probe 12, second
Probe 16 be inserted into current divider sampled signal hole in, the first sample probe 12, the second sample probe 16 end use tip head
12-1, the first sample probe 12,16 connecting test line of the second sample probe to multimeter.
Testing clamp tool includes the first copper bar 2, the second copper bar 10, left insulation board 3, right insulation board 9, the first cylinder 4 and the
Two cylinders 8, the first copper bar 2, left insulation board 3 and the first cylinder 5 are sequentially connected setting and form left clamp assembly, the first cylinder 4
Output rod be connected with left cover 5, the second copper bar 10, right insulation board 9 and the second cylinder 10 are sequentially connected setting and form right folder
Has component, the output rod of the second cylinder 10 is connected with right cover plate 7, and the first brass sheet 61 of current divider to be measured is placed in the first copper bar
On 2, the second brass sheet 62 of current divider to be measured is placed on the second copper bar 10.
The utility model is described in further detail: as shown in Figure 1, direct current current divider test method described in the utility model
Are as follows: current source connects standard amperemeters, connects current divider to be measured in DC circuit, the first sample probe 12, the second sample probe
In the sampled signal hole of 16 insertion current dividers to be measured, the first sample probe 12,16 lower end connecting test line of the second sample probe are arrived
Voltmeter (i.e. multimeter 102).
In Fig. 2, Fig. 3, utility model works process is: first pressing jettron, two cover plates 5,7 are depressed, will be tested
The current divider 6 of examination correction is pressed on the first copper bar 2 and the second copper bar 10, and the first copper bar 2 and the second copper bar 10 are two pieces of red coppers
Silver-coated copper bar sees standard amperemeters registration, and electric current is inputted from the first copper bar 2, by the tested correction current divider of 6(), from second
Copper bar 10 exports.
By adjusting rotary fixing screw bar 20 and adjusting screw rod 14, insert the first sample probe, two sample probes respectively
Enter in the sampled signal hole of current divider to be measured, and passes through p-wire feedback display parameters in voltmeter (FLUKE multimeter).
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of test device of direct current current divider, the test equipment including current divider to be measured and for measuring current divider to be measured,
Current divider to be measured has two sampled signal holes, it is characterised in that: further includes tooling clamp tool, which includes and one
The first sample probe component that sampled signal hole is in contact, the second sample probe group being in contact with another sampled signal hole
Part, fixed plate, the bracket being mounted in fixed plate, the first sample probe component and the second sample probe component and current divider to be measured
It is connected, adjusting rod is installed on the bracket, is equipped on the adjusting rod and drives the first sample probe component and second
Both sample probe components mutually close to or far from spacing adjust component, the first sample probe component, the second sample probe component
It is installed on spacing and adjusts component both ends.
2. a kind of test device of direct current current divider according to claim 1, it is characterised in that: be provided on bracket through slot with
And the through-hole communicated with through slot, adjusting screw rod is combined in through-hole, adjusting rod one end compresses in through slot and through adjusting screw rod
It is fixed.
3. a kind of test device of direct current current divider according to claim 2, it is characterised in that: spacing adjusts component and includes
Two levelling levers are equipped with the first sample probe component on one levelling lever, and another levelling lever is equipped with second and takes
Sample probe assembly is provided with the first through slot and first through hole on the adjusting rod, is embedded with standing screw, two water in first through hole
Heibei provincial opera pole is embedded in the first through slot one on the other and is fixed through standing screw.
4. a kind of test device of direct current current divider according to claim 3, it is characterised in that: the first sample probe component
Including the first thief rod and the first sample probe being mounted on thief rod, the second sample probe component includes the second thief rod
And it is mounted on the second sample probe on thief rod, two levelling levers are equipped with and the first thief rod and the second thief rod phase
The sampling regulating tank matched and the limiting through hole communicated with sampling regulating tank, are equipped with Limit screw in limiting through hole.
5. a kind of test device of direct current current divider according to any one of claims 1 to 4, it is characterised in that: to be measured
Current divider includes copper-manganese plate and the first brass sheet and the second brass sheet for being symmetrically disposed on copper-manganese plate two sides.
6. a kind of test device of direct current current divider according to claim 5, it is characterised in that: test equipment includes electric current
Source, multimeter, standard amperemeters and test clamp tool, current source, ammeter, current divider to be measured are connected in series, the first sampling
Probe, the second sample probe are inserted into the sampled signal hole of current divider, the first sample probe, the second sample probe connecting test line
To multimeter.
7. a kind of test device of direct current current divider according to claim 6, it is characterised in that: test clamp tool includes the
One copper bar, the second copper bar, left insulation board, right insulation board, the first cylinder and the second cylinder, the first copper bar, left insulation board and
One cylinder is sequentially connected setting and forms left clamp assembly, and the output rod of the first cylinder is connected with left cover, the second copper bar, right insulation
Plate and the second cylinder are sequentially connected setting and form right clamp assembly, and the output rod of the second cylinder is connected with right cover plate, and to be measured point
First brass sheet of stream device is placed on the first copper bar, and the second brass sheet of current divider to be measured is placed on the second copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821021623.7U CN208314075U (en) | 2018-06-29 | 2018-06-29 | A kind of test device of direct current current divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821021623.7U CN208314075U (en) | 2018-06-29 | 2018-06-29 | A kind of test device of direct current current divider |
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| Publication Number | Publication Date |
|---|---|
| CN208314075U true CN208314075U (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821021623.7U Active CN208314075U (en) | 2018-06-29 | 2018-06-29 | A kind of test device of direct current current divider |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595897A (en) * | 2020-12-01 | 2021-04-02 | 京信通信技术(广州)有限公司 | Relative dielectric constant test system and probe unit |
-
2018
- 2018-06-29 CN CN201821021623.7U patent/CN208314075U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595897A (en) * | 2020-12-01 | 2021-04-02 | 京信通信技术(广州)有限公司 | Relative dielectric constant test system and probe unit |
| CN112595897B (en) * | 2020-12-01 | 2024-03-26 | 京信通信技术(广州)有限公司 | Relative dielectric constant test system and detection unit |
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