CN208689110U - Instrument for measuring DC resistance - Google Patents
Instrument for measuring DC resistance Download PDFInfo
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- CN208689110U CN208689110U CN201821498765.2U CN201821498765U CN208689110U CN 208689110 U CN208689110 U CN 208689110U CN 201821498765 U CN201821498765 U CN 201821498765U CN 208689110 U CN208689110 U CN 208689110U
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Abstract
The utility model relates to resistive technologies fields, especially a kind of instrument for measuring DC resistance, including detector main body, detector main body is connected with power supply line, the front of detector main body is equipped with operation panel, true color LCD screen is inlaid on operation panel, gauge outfit and voltage sample port and output electric current binding post are placed on the operation panel of true color LCD screen two sides respectively, voltage sample port and output electric current binding post are located at the same side, operation panel below true color LCD screen is successively placed with printer from left to right, regulation button, serial line interface, USB interface, power switch and earthing rod.The utility model has the characteristics that small in size, light-weight, output electric current is big, reproducible, strong antijamming capability, defencive function improve.Complete machine is controlled by control system, high degree of automation, has automatic discharging and electric discharge warning function, instrument test precision is high, easy to operate, it can be achieved that the rapid survey that transformer directly hinders.
Description
Technical field
The utility model relates to resistive technologies field more particularly to a kind of instrument for measuring DC resistance.
Background technique
DCR of Transformer is semi-finished product in transformer manufacturing, finished product delivery test, installation, overhaul, changes to tap and open
The required test item of Guan Hou, commissioning test and power department preventive trial.It can check the welding quality and winding of winding joint
Whether there is or not turn-to-turn short circuit, can detecte voltage tap switch the contact of each position whether good and tap switch physical location with
Whether indicating positions is consistent, and whether lead-out wire has a fracture, stranded conductor and around whether having situations such as stranded.Existing D.C. resistance
Tester, complicated for operation, the degree of automation is low, considerably increases the labor intensity of testing staff.
Utility model content
Complicated for operation purpose of the utility model is to solve existing in the prior art, the degree of automation is low, increases greatly
The shortcomings that having added the labor intensity of testing staff, and a kind of instrument for measuring DC resistance proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of instrument for measuring DC resistance, including detector main body are designed, the detector main body is connected with power supply line, described
The front of detector main body is equipped with operation panel, and true color LCD screen, the true color liquid are inlaid on the operation panel
It is placed with gauge outfit and voltage sample port and output electric current binding post, the voltage sample respectively on the operation panel of crystalline substance screen two sides
Port and output electric current binding post are located at the same side, and the operation panel below the true color LCD screen is successively arranged from left to right
There are printer, regulation button, serial line interface, USB interface, power switch and earthing rod, is equipped in the detector body interior
Control system.
Preferably, the control system includes single-chip microcontroller, the printer, regulation button, serial line interface, USB interface, electricity
Source line, voltage sample port, output electric current binding post and true color LCD screen pass through conducting wire and connect with single-chip microcontroller, and the list
Piece machine is connected with discharge module, alarm module, memory module and data inquiry module, the memory module and data by conducting wire
It is connected between enquiry module by conducting wire.
Preferably, the regulation button includes reset button, cycle button, select button and start button.
Preferably, the gauge outfit is perpetual calendar clock.
The utility model proposes a kind of instrument for measuring DC resistance, beneficial effect is: the utility model, has volume
Small, light-weight, the features such as electric current is big for output, reproducible, strong antijamming capability, defencive function improve.Complete machine is by control system
Control, high degree of automation have automatic discharging and electric discharge warning function, and instrument test precision is high, easy to operate, it can be achieved that becoming
The rapid survey that depressor directly hinders.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of instrument for measuring DC resistance structural schematic diagram；
Fig. 2 be the utility model proposes a kind of instrument for measuring DC resistance control system architecture schematic diagram.
In figure: detector main body 1, operation panel 2, printer 3, regulation button 4, serial line interface 5, USB interface 6, power supply
Switch 7, earthing rod 8, power supply line 9, voltage sample port 10, output electric current binding post 11, true color LCD screen 12, gauge outfit 13.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of instrument for measuring DC resistance, including detector main body 1, detector main body 1 are connected with power supply line
9, which is characterized in that the front of detector main body 1 is equipped with operation panel 2, is inlaid with true color LCD screen on operation panel 2
12, gauge outfit 13 and voltage sample port 10 and output electric current are placed on the operation panel 2 of 12 two sides of true color LCD screen respectively
Binding post 11, gauge outfit 13 are perpetual calendar clock, and voltage sample port 10 and output electric current binding post 11 are located at the same side, true color
The operation panel 2 of 12 lower section of liquid crystal display is successively placed with printer 3, regulation button 4, serial line interface 5, USB interface from left to right
6, power switch 7 and earthing rod 8, regulation button 4 include reset button, cycle button, select button and start button, are being detected
Control system is equipped with inside instrument main body 1, control system includes single-chip microcontroller, and printer 3, regulation button 4, serial line interface 5, USB connect
Mouth 6, power supply line 9, voltage sample port 10, output electric current binding post 11 and true color LCD screen 12 pass through conducting wire and single-chip microcontroller
Connection, and single-chip microcontroller is connected with discharge module, alarm module, memory module and data inquiry module, memory module by conducting wire
It is connected between data inquiry module by conducting wire.
By memory module and data inquiry module, the present apparatus can be made to store 1000 groups of test datas, while can looked at any time
The content for readding storing data so as to during storage, while will store, and be convenient for logarithm by gauge outfit the time
According to processing comparison is carried out, by serial line interface 5, so as to which the present apparatus and computer are attached, by printer 3, from
And the data checked can be printed, during printing, USB flash disk is inserted into the USB interface 6 of the present apparatus, is caused
The data of printing are importing directly into inside USB flash disk, and printer 3 is checked convenient for testing staff, passed through with the function that can Chinesize
Discharge module, by alarm module, so as to reduce maloperation, passes through ground connection so as to carry out electric discharge work to resistance
Column can play the role of safeguard protection, by reset button, the present apparatus can be made to be in being that the present apparatus carries out ground connection work
Original state, can to input current carry out it is preset, by cycle button can display menu on circulating rolling, by selection press
Button can just electric current be preset after present apparatus reset, and pressing start button after exporting electric current selection can be controlled with microcomputer
Realize whole test process, thus realize the rapid survey that transformer directly hinders, it is effective to improve present apparatus accurate testing degree.
The utility model: complete machine is controlled by control system, high degree of automation, has automatic discharging and electric discharge alarm function
Can, instrument test precision is high, easy to operate, it can be achieved that the rapid survey that transformer directly hinders.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of instrument for measuring DC resistance, including detector main body (1), the detector main body (1) is connected with power supply line (9),
It is characterized in that, the front of the detector main body (1) is equipped with operation panel (2), it is inlaid on the operation panel (2) true
Color LCD screen (12) is placed with gauge outfit (13) and electricity on the operation panel (2) of true color LCD screen (12) two sides respectively
Press sample port (10) and output electric current binding post (11), the voltage sample port (10) and output electric current binding post (11) position
Operation panel (2) below the same side, the true color LCD screen (12) is successively placed with printer (3) from left to right, adjusts
Button (4), serial line interface (5), USB interface (6), power switch (7) and earthing rod (8) are saved, in the detector main body (1)
Portion is equipped with control system.
2. a kind of instrument for measuring DC resistance according to claim 1, which is characterized in that the control system includes monolithic
Machine, the printer (3), regulation button (4), serial line interface (5), USB interface (6), power supply line (9), voltage sample port
(10), it exports electric current binding post (11) and true color LCD screen (12) to connect by conducting wire with single-chip microcontroller, and the single-chip microcontroller
Discharge module, alarm module, memory module and data inquiry module, the memory module and data query are connected with by conducting wire
It is connected between module by conducting wire.
3. a kind of instrument for measuring DC resistance according to claim 1, which is characterized in that the regulation button (4) includes multiple
Position button, cycle button, select button and start button.
4. a kind of instrument for measuring DC resistance according to claim 1, which is characterized in that when the gauge outfit (13) is perpetual calendar
Clock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821498765.2U CN208689110U (en) | 2018-09-13 | 2018-09-13 | Instrument for measuring DC resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821498765.2U CN208689110U (en) | 2018-09-13 | 2018-09-13 | Instrument for measuring DC resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208689110U true CN208689110U (en) | 2019-04-02 |
Family
ID=65888759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821498765.2U Active CN208689110U (en) | 2018-09-13 | 2018-09-13 | Instrument for measuring DC resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208689110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327054A (en) * | 2020-10-10 | 2021-02-05 | 杭州松泰电力科技有限公司 | Transformer direct-current resistance tester with high safety |
-
2018
- 2018-09-13 CN CN201821498765.2U patent/CN208689110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327054A (en) * | 2020-10-10 | 2021-02-05 | 杭州松泰电力科技有限公司 | Transformer direct-current resistance tester with high safety |
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