CN211653045U - Insulator creeping discharge handheld detection device - Google Patents
Insulator creeping discharge handheld detection device Download PDFInfo
- Publication number
- CN211653045U CN211653045U CN201922055666.8U CN201922055666U CN211653045U CN 211653045 U CN211653045 U CN 211653045U CN 201922055666 U CN201922055666 U CN 201922055666U CN 211653045 U CN211653045 U CN 211653045U
- Authority
- CN
- China
- Prior art keywords
- ultraviolet
- detection device
- creeping discharge
- camera lens
- mirror
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a handheld detection device of insulator creeping discharge, which comprises an outer shell, the shell front end is provided with the ultraviolet camera lens, the ultraviolet detector is installed to ultraviolet camera lens rear end, ultraviolet camera lens and ultraviolet detector are located same optical axis, the ultraviolet detector is connected with control circuit board, control circuit board still electricity is connected with liquid crystal display, TF draw-in groove and battery case, the mirror is aimed to the observation is installed on shell upper portion, the mirror is aimed to the observation and ultraviolet camera lens parallel arrangement. The insulator discharge detection device is simple in structure, accurate in positioning, capable of reducing power consumption and prolonging the endurance time, and the cost of insulator discharge detection is reduced by using a single detection non-imaging technology.
Description
Technical Field
The utility model relates to a transmission equipment technical field especially relates to a handheld detection device of insulator creeping discharge.
Background
Corona discharge is a localized discharge phenomenon that is caused by air dissociation when the local voltage stress of a charged body exceeds a critical value. Particularly high voltage power equipment, which often generates corona, flashover or arcing due to poor design, manufacturing, installation and maintenance work. During the discharge process, electrons in the air continuously acquire and release energy, and when the electrons release energy (i.e., discharge), ultraviolet rays are emitted. The ultraviolet imager is used for the discharge detection in the field. The existing ultraviolet imager can accurately measure the discharge intensity and position the discharge position, so the ultraviolet imager is more and more applied to the detection of the surface discharge of the insulator of the power system, but the existing ultraviolet imager is expensive, generally more than dozens of thousands yuan, and is not beneficial to popularization and application.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an insulator edgewise discharge handheld detection device, the fine above-mentioned problem of having solved, its simple structure utilizes single detection non-imaging technique, has reduced the insulator cost of discharging the detection, and the location is accurate simultaneously, has reduced the consumption, has prolonged the time of endurance.
The technical scheme of the utility model a handheld detection device of insulator creeping discharge, which comprises an outer shell, the shell front end is provided with the ultraviolet camera lens, the ultraviolet detector is installed to ultraviolet camera lens rear end, ultraviolet camera lens and ultraviolet detector are located same optical axis, the ultraviolet detector is connected with control circuit board, control circuit board still electricity is connected with liquid crystal display, TF draw-in groove and battery case, the mirror is aimed to the observation is installed on shell upper portion, observe and aim mirror and ultraviolet camera lens parallel arrangement.
The utility model has the advantages that:
1. the utility model adopts the unit detection non-imaging method, which greatly reduces the cost of insulator discharge detection, has simple and reliable structure and convenient detection;
2. the sight glass is used for positioning, the positioning is simple and accurate, the energy of the whole device cannot be consumed, the consumption of battery power is reduced, the cruising ability is improved, and the sight glass is more suitable for field operation.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view of a first embodiment of the present invention in use;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;
fig. 5 is a circuit diagram of the control circuit board of the present invention;
in the figure: 1. a housing; 2. an ultraviolet lens; 3. an ultraviolet detector; 4. a control circuit board; 5. a liquid crystal display screen; 6. TF card slot; 7. a battery box, 8 and a sighting telescope; 9. a USB charging interface; 10. a charging protection module; 11. a clamping groove; 12. a clamping block; 13. and (6) pressing a key.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows: as shown in fig. 1-2, the utility model provides a handheld detection device of insulator creeping discharge, which comprises an outer shell 1, 1 front end of shell is provided with ultraviolet camera lens 2, ultraviolet detector 3 is installed to 2 rear ends of ultraviolet camera lens, ultraviolet camera lens 2 and ultraviolet detector 3 are located same optical axis, ultraviolet detector 3 is connected with control circuit board 4, control circuit board 4 still electricity is connected with liquid crystal display 5, TF draw-in groove 6 and battery case 7, the mirror 8 is aimed in watching to 1 upper portion of shell is installed, look and aim mirror 8 and ultraviolet camera lens 2 parallel arrangement.
The shell 1 is a pistol-shaped shell 1, is convenient to hold and is reasonable in design. An ultraviolet lens 2 and an ultraviolet detector 3 are arranged in the shell 1, and a unit detection non-imaging method is adopted, so that the cost of insulator discharge detection is greatly reduced, the structure is simple and reliable, and the detection is convenient; the sight glass 8 is used for positioning, the positioning is simple and accurate, the energy of the whole device cannot be consumed, the consumption of battery power is reduced, the cruising ability is improved, and the sight glass is more suitable for field operation.
The battery box 7 is further electrically connected with a USB charging interface 9, and a charging protection module 10 is further connected between the USB charging interface 9 and the battery box 7. The battery case 7 is provided with positive and negative electrode metal sheets, and a charged lithium battery is mounted in the battery case 7. The charging protection module 10 can realize charging control, can also prevent overvoltage and overcurrent protection of the battery, and has good protection effect on the battery. The entire device is powered by a rechargeable battery in the battery compartment 7.
The view field angle of the ultraviolet lens 2 is equal to that of the observation mirror 8, and the view field angle of the ultraviolet lens 2 and that of the observation mirror 8 is 4-8 degrees.
The distance between the ultraviolet lens 2 and the optical axis of the sighting telescope 8 is 30 mm. The observation mirror 8 can make the front background image fall on human eyes, and in order to make the observation mirror 8 image clearly, the distance between the observation mirror 8 and the human eyes is 2-15cm when the observation mirror is used.
The rear end of the ultraviolet lens 2 is provided with a chemical filter, the chemical filter is band-pass between 250 and 270nm, and the peak transmittance is 25%. The transmittance is lower than 10 outside 250-270nm-8。
The ultraviolet detector 3 is a detector with the response wavelength of 200-1000nm, and the highest gain of the ultraviolet detector 3 is 108. The shell 1 is also provided with a key 13, and the key 13 is pressed for one time to indicate starting; the gain factor is set to 10 by short press5、106、107、108And switching back and forth between adjustments. The arrangement and control mode of the keys 13 are the conventional control mode.
The control circuit board is internally provided with a signal processing circuit, and the signal processing circuit comprises an amplifier connected with the ultraviolet detector. Fig. 5 is a schematic diagram of the signal processing circuit of the present invention, the signal processing circuit is disposed in the control circuit board 4, the signal processing circuit includes an amplifier connected to the ultraviolet detector 3, and the UVPD in the figure is an ultraviolet detector, which receives ultraviolet light and generates a tiny voltage, and then amplifies the voltage through the amplifier OP-Amp. The specific magnification is as follows: gain (A/V): r3 (1+ R1/R2). The amplifier is an in-phase proportional amplifier.
And a data storage card is arranged in the TF card slot 6 for data storage.
When the insulator creeping discharge handheld detection device is used, the insulator creeping discharge handheld detection device is aligned to an insulator to be observed, ultraviolet sparks generated by insulator discharge can be focused through the ultraviolet lens 2, and reach the photosensitive surface of the ultraviolet detector 3 after being filtered by the built-in optical filter, and a voltage signal is responded to the ultraviolet detector 3. The voltage signal is subjected to data acquisition through a control circuit board 4 board to obtain an insulator discharge ultraviolet intensity digital signal, and the discharge ultraviolet intensity data is displayed through a liquid crystal display screen 5. These discharge intensity data may be stored in the data storage card in the TF card slot 6 through the control circuit board 4, and the data storage card may store thousands of pieces of historical test data. The liquid crystal display screen 5 can display 10 pieces of historical data tested recently, and is convenient for workers to analyze and compare field data. If the insulator discharge signal is weak, the gain coefficient switching of the ultraviolet detector 3 is realized by pressing the key 13 for a short time, and the ultraviolet intensity data, the gain coefficient and the insulator parts (upper, middle and lower) which are tested each time are matched for storage and display, so that the test data is more objective.
The handheld detection device is specifically aimed at which part of the insulator is the upper section, the middle section or the lower section of the insulator, and human eyes can clearly observe the insulator through the sighting telescope 8. Because the optical axis of the sighting telescope 8 and the optical axis of the ultraviolet lens 2 are parallel to each other, and the distance between the two optical axes is only 30mm, the diameter size of the sighting telescope is negligible relative to the diameter size of the insulator of more than 200mm, the situation that discharge occurs on the insulator but positioning occurs outside the insulator can not occur, and the positioning error can be ignored.
During charging, a 5V power supply from a charger charges a lithium battery in the battery box 7, and the charging protection module 10 performs charging control and protection against overvoltage and overcurrent.
Example two: as shown in fig. 3-4, on the basis of the first embodiment, a clamping groove 11 is formed in the upper portion of the housing 1, a fixture block 12 adapted to the clamping groove 11 is arranged on the observation mirror 8, and the observation mirror 8 is clamped in the clamping groove 11 of the housing 1 through the fixture block 12.
Adopt the connected mode of joint groove 11 and fixture block 12, the observation mirror 8 is connected between the shell 1 simply reliably, and the observation mirror 8 can be dismantled simultaneously and change convenient to use.
Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (7)
1. Insulator creeping discharge handheld detection device, its characterized in that: including shell (1), shell (1) front end is provided with ultraviolet camera lens (2), ultraviolet detector (3) are installed to ultraviolet camera lens (2) rear end, ultraviolet camera lens (2) and ultraviolet detector (3) are located same optical axis, ultraviolet detector (3) are connected with control circuit board (4), control circuit board (4) still electricity is connected with liquid crystal display (5), TF draw-in groove (6) and battery case (7), shell (1) upper portion is installed and is observed mirror (8), it aims mirror (8) and ultraviolet camera lens (2) parallel arrangement to observe.
2. The handheld insulator creeping discharge detection device according to claim 1, characterized in that: the battery box (7) is further electrically connected with a USB charging interface (9), and a charging protection module (10) is further connected between the USB charging interface (9) and the battery box (7).
3. The handheld insulator creeping discharge detection device according to claim 1, characterized in that: the upper portion of the shell (1) is provided with a clamping groove (11), a clamping block (12) matched with the clamping groove (11) is arranged on the observing and sighting mirror (8), and the observing and sighting mirror (8) is clamped in the clamping groove (11) of the shell (1) through the clamping block (12).
4. The handheld insulator creeping discharge detection device according to claim 1, characterized in that: the view field angles of the ultraviolet lens (2) and the sighting mirror (8) are equal, and the view field angles of the ultraviolet lens (2) and the sighting mirror (8) are 4-8 degrees.
5. The handheld insulator creeping discharge detection device according to claim 1, characterized in that: the distance between the ultraviolet lens (2) and the optical axis of the sighting telescope (8) is 30 mm.
6. The handheld insulator creeping discharge detection device according to claim 1, characterized in that: the rear end of the ultraviolet lens (2) is provided with a chemical filter, the chemical filter is band-pass between 250 and 270nm, the peak transmittance is 25 percent, and the transmittance outside 250 and 270nm is lower than 10-8。
7. The handheld insulator creeping discharge detection device according to claim 1, characterized in that: the ultraviolet detector (3) is a detector with the response wavelength of 200-1000nm, and the highest gain of the ultraviolet detector (3) is 108。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922055666.8U CN211653045U (en) | 2019-11-25 | 2019-11-25 | Insulator creeping discharge handheld detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922055666.8U CN211653045U (en) | 2019-11-25 | 2019-11-25 | Insulator creeping discharge handheld detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211653045U true CN211653045U (en) | 2020-10-09 |
Family
ID=72693109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922055666.8U Active CN211653045U (en) | 2019-11-25 | 2019-11-25 | Insulator creeping discharge handheld detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211653045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954790A (en) * | 2019-11-25 | 2020-04-03 | 贵州电网有限责任公司 | Insulator creeping discharge handheld detection device |
-
2019
- 2019-11-25 CN CN201922055666.8U patent/CN211653045U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954790A (en) * | 2019-11-25 | 2020-04-03 | 贵州电网有限责任公司 | Insulator creeping discharge handheld detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110954790A (en) | Insulator creeping discharge handheld detection device | |
| CN211653045U (en) | Insulator creeping discharge handheld detection device | |
| PT990167E (en) | TERMINAL FOR BATTERY MEDICATION | |
| CN212301792U (en) | Be used for lithium cell thermal runaway frock | |
| CN210835153U (en) | Quick detection device of car circuit open circuit | |
| CN102820680A (en) | Multifunctional charger | |
| CN212572117U (en) | Intelligent charging and discharging device for lithium battery | |
| CN113267724A (en) | On-load tap-changer on-line monitoring system of transformer | |
| CN203465381U (en) | Electrical power equipment corona handheld detector | |
| CN208148898U (en) | Multifunctional operation ticket holder and ticket holder assembly | |
| CN218071067U (en) | Centralized power supply device used in diaphragm gas meter verification | |
| CN212658801U (en) | Pilot helmet night vision mirror battery power detection device | |
| CN111986586A (en) | Detachable indicator lamp installed on electric cabinet box | |
| JP2004007904A (en) | Charger for portable terminal | |
| Kamata et al. | Hyper Suprime-Cam: characteristics of 116 fully depleted back-illuminated CCDs | |
| CN209448708U (en) | A kind of integrated portable subfissure detection device | |
| CN211655768U (en) | Charging assembly | |
| CN210166458U (en) | Insulation detector | |
| CN214097686U (en) | Ultraviolet imager | |
| CN221669584U (en) | Capacitor safe automatic discharge circuit and discharge device | |
| CN219143052U (en) | Storage battery electric performance sensor based on quick inspection | |
| CN215342759U (en) | Observation instrument structure | |
| CN221828616U (en) | Rechargeable buckle battery pack adapting to optical sighting device | |
| CN214381152U (en) | Automatic test vision system for battery box | |
| CN111006811A (en) | Pressure transmitter with power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |