CN207396654U - Distribution Zinc-Oxide Arrester acceptance test device - Google Patents
Distribution Zinc-Oxide Arrester acceptance test device Download PDFInfo
- Publication number
- CN207396654U CN207396654U CN201721488649.8U CN201721488649U CN207396654U CN 207396654 U CN207396654 U CN 207396654U CN 201721488649 U CN201721488649 U CN 201721488649U CN 207396654 U CN207396654 U CN 207396654U
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- China
- Prior art keywords
- circuit
- test device
- acceptance test
- oxide arrester
- control
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of distribution Zinc-Oxide Arrester acceptance test devices to include control cabinet, times pressure cylinder and discharging rod, described times of pressure cylinder is connected with the control cabinet, described times of pressure cylinder is connected with the measured object, the discharging rod, the measured object, described times of pressure cylinder and control cabinet are both provided with ground terminal, the control cabinet is internally provided with megaohm module of meter control and high voltage direct current generator control module, touch-screen is provided on the control cabinet, described megaohm of module of meter control and the high voltage direct current generator control module are connected with the touch-screen.A kind of distribution Zinc-Oxide Arrester acceptance test device of the utility model using the above structure has been provided simultaneously with the detection function of megameter and high voltage direct current generator, so that the utility model possesses whole detection functions of arrester, it reduces staff and carries instrument quantity, it is carried convenient for staff, and instrument testing need not be replaced, so as to improve work efficiency.
Description
Technical field
The utility model is related to a kind of acceptance test device, more particularly, to a kind of distribution Zinc-Oxide Arrester acceptance test
Device.
Background technology
Zinc-Oxide Arrester be for protecting the electric equipment products that various electrical equipments are damaged from overvoltage in electric system,
With good protection performance.Because the nonlinear wind vibration of zinc oxide valve plate is very excellent so that under normal working voltage
Only hundreds of microamperes of electric current is by the way that convenient for being designed to gapless structure, possessing it, protective value is good, light-weight, size is small
Feature.When overvoltage invades, the electric current for flowing through valve block increases rapidly, while limits the amplitude of overvoltage, releases
The energy of voltage, hereafter zinc oxide valve plate recover high-impedance state again, work normally electric system.The experiment of Zinc-Oxide Arrester
Project has：1. body insulation resistance；2. pedestal insulation resistance；3. letting out under DC reference voltage and 0.75 times of DC reference voltage
Reveal electric current；In the prior art, staff scene needs to carry at least two instruments, a megameter and a direct current hair occurred frequently
Two instruments, which are used alternatingly, when giving birth to device, and being tested reduces work efficiency.
Utility model content
The purpose of this utility model is to provide a kind of this distribution Zinc-Oxide Arrester acceptance test device and has been provided simultaneously with million
The detection function of Europe table and high voltage direct current generator so that the utility model possesses whole detection functions of arrester, reduces
Staff carries instrument quantity, is carried convenient for staff, and need not replace instrument testing, so as to improve work effect
Rate.
To achieve the above object, the utility model, which provides a kind of distribution Zinc-Oxide Arrester acceptance test device, includes control
Case processed, times pressure cylinder and discharging rod, described times of pressure cylinder are connected with the control cabinet, and described times of pressure cylinder connects with the measured object
It connects, the discharging rod, the measured object, described times of pressure cylinder and control cabinet are both provided with ground terminal, are set inside the control cabinet
Megaohm module of meter control and high voltage direct current generator control module are equipped with, is provided with touch-screen on the control cabinet, described megaohm
Module of meter control and the high voltage direct current generator control module are connected with the touch-screen.
Preferably, described megaohm of module of meter control includes megameter control circuit, power circuit, voltage and current measurement electricity
Road, current range switching circuit, RS232 interface circuit and overvoltage crowbar.
Preferably, the power circuit, the voltage and current measurement circuit, the current range switching circuit, described
RS232 interface circuit and the overvoltage crowbar are connected with the megameter control circuit.
Preferably, the RS232 interface circuit is connected with the touch-screen.
Preferably, the high voltage direct current generator control module include high voltage direct current generator control circuit, power circuit,
Communication interface circuit, overvoltage crowbar, setting potential circuit, voltage collection circuit and current collection circuit.
Preferably, the power circuit, the communication interface circuit, the overvoltage crowbar, the setting voltage electricity
Road, the voltage collection circuit and the current collection circuit are connected with the high voltage direct current generator control circuit.
Preferably, the communication interface circuit is RS232 interface circuit, the RS232 interface circuit and the touch-screen
It is connected.
Preferably, current-limiting resistance and microampere meter are in series between described times of pressure cylinder and the measured object.
Therefore, a kind of distribution Zinc-Oxide Arrester acceptance test device of the utility model using the above structure is provided simultaneously with
The detection function of megameter and high voltage direct current generator so that the utility model possesses whole detection functions of arrester,
It reduces staff and carries instrument quantity, carried convenient for staff, and instrument testing need not be replaced, so as to improve work
Make efficiency.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is a kind of distribution Zinc-Oxide Arrester acceptance test device control cabinet functional block diagram of the utility model；
Fig. 2 is a kind of distribution Zinc-Oxide Arrester acceptance test device connection structure diagram of the utility model；
Fig. 3 is a kind of distribution Zinc-Oxide Arrester acceptance test device high voltage direct current generator control module of the utility model
Circuit diagram；
Fig. 4 is a kind of distribution Zinc-Oxide Arrester acceptance test device megaohm module of meter control circuit theory of the utility model
Figure.
Reference numeral
1st, control cabinet；11st, touch-screen；12nd, megaohm module of meter control；13rd, high voltage direct current generator control module；2nd, multiplication of voltage
Cylinder；21st, current-limiting resistance；22nd, microampere meter；3rd, measured object；4th, discharging rod.
Specific embodiment
Embodiment
Fig. 1 is a kind of distribution Zinc-Oxide Arrester acceptance test device control cabinet functional block diagram of the utility model, and Fig. 2 is this
A kind of distribution Zinc-Oxide Arrester acceptance test device connection structure diagram of utility model, as shown in Figs. 1-2, a kind of distribution zinc oxide
Arrester acceptance test device includes control cabinet 1, times pressure cylinder 2 and discharging rod 4, and times pressure cylinder 2 is connected with control cabinet 1, multiplication of voltage
Cylinder 1 is connected with measured object 4, and discharging rod 4, measured object 3, times pressure cylinder 2 and control cabinet 1 are both provided with ground terminal, pass through before use
Discharging rod 4 carries out manual discharge wiring again, ensures the safety of testing staff.It times connects between pressure cylinder 2 and measured object 3 current limiting electricity
Resistance 21 and microampere meter 22, microampere meter 22 for showing the electric current of times pressure cylinder 2, for equipment to be protected to play overcurrent protect by current-limiting resistance 21
The effect of shield.Control cabinet 1 is internally provided with megaohm module of meter control 12 and high voltage direct current generator control module 13, control cabinet 1
On be provided with touch-screen 11, megaohm module of meter control 12 and high voltage direct current generator control module 13 are connected with touch-screen 1.
Fig. 3 is a kind of distribution Zinc-Oxide Arrester acceptance test device high voltage direct current generator control module of the utility model
Circuit diagram, as shown in figure 3, megaohm module of meter control 12 includes megameter control circuit, power circuit, voltage and current measurement
Circuit, current range switching circuit, RS232 interface circuit and overvoltage crowbar.Power circuit, voltage and current measurement electricity
Road, current range switching circuit, RS232 interface circuit and overvoltage crowbar are connected with megameter control circuit.
RS232 interface circuit is connected with touch-screen, will be passed by the data of megameter control circuit processing by RS232 interface circuit
It is defeated while the setting of current range to be carried out by touch-screen to being shown on touch-screen, it is simple and convenient, work as overvoltage protection
When circuit detects that voltage exceeds setting value, the microcontroller in megameter control circuit sends control signals to overvoltage crowbar
In control relay circuit in turn off high voltage power supply, so as to play the role of overvoltage protection, improve the security performance of equipment,
Megaohm module of meter control 12 can carry out arrester Insulation test, absorptance, polarization index and quick test.
Fig. 4 is a kind of distribution Zinc-Oxide Arrester acceptance test device megaohm module of meter control circuit theory of the utility model
Figure, as shown in figure 4, high voltage direct current generator control module 13 includes high voltage direct current generator control circuit, power circuit, communication
Interface circuit, overvoltage crowbar, setting potential circuit, voltage collection circuit and current collection circuit.Power circuit, communication
Interface circuit, overvoltage crowbar, setting potential circuit, voltage collection circuit and current collection circuit are sent out with high direct voltage
Raw device control circuit is connected.It is both provided with converter in voltage collection circuit and current collection circuit, AD in the present embodiment
Converter is AD7705 chips, and AD7705 chips have many advantages, such as high-resolution, excellent noise resistance and self calibration, AD7705
The voltage and current signal of simulation is converted to digital signal, digital data transmission to high voltage direct current generator control circuit by chip
It is calculated and is handled, and passed through communication interface circuit and be transmitted in touch-screen and show, divider need not be equipped with and directly displayed
Voltage value on measured object 3, wiring is simple, and communication interface circuit is RS232 interface circuit, by RS232 interface circuit with touching
It touches screen to communicate, high voltage direct current generator control module 13 can leak arrester and DC break down voltage experiment.
Therefore, a kind of distribution Zinc-Oxide Arrester acceptance test device of the utility model using the above structure is provided simultaneously with
The detection function of megameter and high voltage direct current generator so that the utility model possesses whole detection functions of arrester,
It reduces staff and carries instrument quantity, carried convenient for staff, and instrument testing need not be replaced, so as to improve work
Make efficiency.
The above are specific embodiment of the present utility model, but the scope of protection of the utility model should not be limited to thoses mentioned above.Appoint
How those skilled in the art are in the technical scope disclosed by the utility model, the change or replacement that can be readily occurred in,
It should be covered within the scope of the utility model, therefore the scope of protection of the utility model should be limited with claims
Subject to fixed protection domain.
Claims (8)
1. a kind of distribution Zinc-Oxide Arrester acceptance test device, it is characterised in that：Including control cabinet, times pressure cylinder and electric discharge
Stick, described times of pressure cylinder are connected with the control cabinet, and described times of pressure cylinder is connected with the measured object, the discharging rod, the quilt
Survey object, described times of pressure cylinder and control cabinet are both provided with ground terminal, the control cabinet be internally provided with megaohm module of meter control and
High voltage direct current generator control module is provided with touch-screen, described megaohm of module of meter control and the direct current on the control cabinet
High pressure generator control module is connected with the touch-screen.
2. a kind of distribution Zinc-Oxide Arrester acceptance test device according to claim 1, it is characterised in that：Described megaohm
Module of meter control includes megameter control circuit, power circuit, voltage and current measurement circuit, current range switching circuit, RS232
Interface circuit and overvoltage crowbar.
3. a kind of distribution Zinc-Oxide Arrester acceptance test device according to claim 2, it is characterised in that：The power supply
Circuit, the voltage and current measurement circuit, the current range switching circuit, the RS232 interface circuit and the overvoltage
Protection circuit is connected with the megameter control circuit.
4. a kind of distribution Zinc-Oxide Arrester acceptance test device according to claim 3, it is characterised in that：It is described
RS232 interface circuit is connected with the touch-screen.
5. a kind of distribution Zinc-Oxide Arrester acceptance test device according to claim 1, it is characterised in that：The direct current
High pressure generator control module includes high voltage direct current generator control circuit, power circuit, communication interface circuit, overvoltage protection electricity
Road, setting potential circuit, voltage collection circuit and current collection circuit.
6. a kind of distribution Zinc-Oxide Arrester acceptance test device according to claim 5, it is characterised in that：The power supply
Circuit, the communication interface circuit, the overvoltage crowbar, it is described setting potential circuit, the voltage collection circuit and
The current collection circuit is connected with the high voltage direct current generator control circuit.
7. a kind of distribution Zinc-Oxide Arrester acceptance test device according to claim 6, it is characterised in that：The communication
Interface circuit is RS232 interface circuit, and the RS232 interface circuit is connected with the touch-screen.
8. a kind of distribution Zinc-Oxide Arrester acceptance test device according to claim 1, it is characterised in that：The multiplication of voltage
Current-limiting resistance and microampere meter are in series between cylinder and the measured object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721488649.8U CN207396654U (en) | 2017-11-10 | 2017-11-10 | Distribution Zinc-Oxide Arrester acceptance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721488649.8U CN207396654U (en) | 2017-11-10 | 2017-11-10 | Distribution Zinc-Oxide Arrester acceptance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207396654U true CN207396654U (en) | 2018-05-22 |
Family
ID=62325885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721488649.8U Expired - Fee Related CN207396654U (en) | 2017-11-10 | 2017-11-10 | Distribution Zinc-Oxide Arrester acceptance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207396654U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572298A (en) * | 2018-06-04 | 2018-09-25 | 中国南方电网有限责任公司超高压输电公司柳州局 | A kind of more piece arrester test system |
| CN109116060A (en) * | 2018-09-06 | 2019-01-01 | 贵州电网有限责任公司 | A kind of distribution Zinc-Oxide Arrester examination device |
-
2017
- 2017-11-10 CN CN201721488649.8U patent/CN207396654U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572298A (en) * | 2018-06-04 | 2018-09-25 | 中国南方电网有限责任公司超高压输电公司柳州局 | A kind of more piece arrester test system |
| CN109116060A (en) * | 2018-09-06 | 2019-01-01 | 贵州电网有限责任公司 | A kind of distribution Zinc-Oxide Arrester examination device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20211110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |