CN211698031U - Power lightning arrester inspection tester - Google Patents
Power lightning arrester inspection tester Download PDFInfo
- Publication number
- CN211698031U CN211698031U CN202020096731.1U CN202020096731U CN211698031U CN 211698031 U CN211698031 U CN 211698031U CN 202020096731 U CN202020096731 U CN 202020096731U CN 211698031 U CN211698031 U CN 211698031U
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- power
- test
- triangular groove
- fixing
- inspection tester
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Abstract
The utility model relates to a power arrester inspection tester, which comprises a body, a cover body, a fixed component, a voltage display screen, a current display screen, a micro thermal printer, a test circuit, a control panel, a test wire and a power wire; the body is divided into three lattices by the partition board, the first lattice is used for placing a test circuit and a control panel, the second lattice is used for placing a test line and a power line, and the third lattice is used for placing a micro thermal printer; the cover body is hinged with the body, a sealing bulge is arranged on the periphery of the inner side of the cover body, a sealing groove in sealing fit with the sealing bulge is arranged on the periphery of the side wall of the body, a lock tongue is arranged on the cover body, and a lock body is arranged on the body; the fixing component comprises a base, a fixing shaft, a fixing plate and a limiting block; the test circuit comprises a micro control unit, an AD conversion module, an analog amplification low-pass filtering module, a voltage transformer, a memory, a wireless transceiving module and an indicator light. The utility model has the characteristics of small, light in weight, easy operation, can stably fix on the body of rod etc.
Description
Technical Field
The utility model relates to a lightning protection device detects technical field, especially relates to a power arrester patrols and examines tester.
Background
Direct lightning, inductive lightning and other lightning are common natural phenomena in daily life, and tens or hundreds of kiloamperes of overcurrent is often formed on a power transmission line instantaneously along with the generation of the natural phenomena. Most electronic equipment such as communication mobile base stations and the like cannot bear such strong instantaneous current, so in order to prevent and avoid the electronic equipment from being damaged by overcurrent, a power supply lightning arrester is generally required to be installed on a power supply system. The power supply lightning arrester is one of lightning protection devices (also called lightning protection devices), the main component of the power supply lightning arrester is a zinc oxide piezoresistor, and the defects of internal insulation, dampness, valve plate aging and the like can occur when the power supply lightning arrester operates for a long time, so that the leakage current of the lightning arrester is increased, thermal breakdown can be caused when the leakage current is serious, the power safety production is influenced, and therefore, the power supply lightning arrester needs to be periodically subjected to preventive tests to determine whether the working state of the power supply lightning arrester is good or not. The power arrester inspection tester is an instrument for measuring and analyzing leakage current of a zinc oxide piezoresistor, and is mainly used for measuring resistive current, so that the aging and wetting degree of zinc oxide is analyzed, and an effective means is provided for safety detection of the power arrester.
The organism and the guard box of current power arrester inspection tester are detached, need take out the organism when using, put into the guard box with the organism after finishing using again, to the detection of the power arrester on the transmission line (zinc oxide arrester promptly), very inconvenient, the tester can't fix on the pole in addition, lead to the tester to drop easily in the test procedure, cause the threat to electric wire netting safety's operation and tester's personal safety.
SUMMERY OF THE UTILITY MODEL
Therefore, the power arrester inspection tester is needed to solve the problems of the existing power arrester inspection tester.
In order to solve the above problem, the utility model adopts the following technical proposal:
a power arrester inspection tester comprises a body, a cover body, a fixing component, a voltage display screen, a current display screen, a miniature thermal printer, a test circuit, a control panel, a test wire and a power wire;
a partition board is arranged in the body and divides the body into three lattices, wherein the first lattice is used for placing the test circuit and the control panel, the second lattice is used for placing the test line and the power line, and the third lattice is used for placing the micro thermal printer;
one side edge of the cover body is hinged with one side edge of the body, a sealing bulge is arranged on the periphery of the inner side of the cover body, a sealing groove in sealing fit with the sealing bulge is arranged on the periphery of the side wall of the body, a lock tongue is arranged on the other side edge of the cover body, and a lock body in fit with the lock tongue is arranged on the body;
the fixing assembly comprises a base, a fixing shaft, a fixing plate and a limiting block, the base is fixed at the bottom of the body, the fixing shaft and the limiting block are oppositely fixed on the base, at least one triangular groove is formed in the base, the triangular groove is parallel to the fixing shaft in the length direction, one end of the fixing plate is sleeved on the fixing shaft, the fixing plate can slide along the fixing shaft and turn over around the fixing shaft, the other end of the fixing plate can be clamped with the limiting block, and the length direction of the fixing plate is perpendicular to the length direction of the fixing shaft;
the test circuit comprises a micro control unit, an AD conversion module, an analog amplification low-pass filter module, a voltage transformer, a memory, a wireless transceiver module and an indicator light, wherein the micro control unit is respectively connected with the voltage display screen, the current display screen, the miniature thermal printer, the AD conversion module, the memory, the wireless transceiver module and the indicator light;
the control panel is provided with a power switch, a power socket, a test hole +, a test hole and the indicator light.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a power arrester patrols and examines test appearance is a special instrument that is used for scene or laboratory to detect power arrester electrical property, the organism and the box integration of this tester, uncap and to use, need not to take out the organism from the box, the simple operation, in addition the body bottom of this tester is equipped with and is used for the fixed subassembly with the body of rod of triangle-shaped, can be fixed the body and the body of rod of tester through fixed subassembly, thereby liberation testing personnel's both hands, avoid the tester to fall, the detection of specially adapted transmission line's power arrester, meanwhile, this tester has miniature thermal printer, utilize miniature thermal printer can directly print out the test result and paste on corresponding power arrester, make things convenient for the inspection and the contrast in later stage. The utility model discloses a power arrester patrols and examines tester still has characteristics such as small, light in weight, easy operation, can stably fix on the body of rod.
Drawings
Fig. 1 is a schematic structural view of the inspection tester for the power arrester of the present invention;
fig. 2 is a schematic structural view of a fixing component in the inspection tester for the power arrester of the present invention in an open state;
fig. 3 is a schematic structural view of a fixing component in the inspection tester for the power arrester of the present invention in a clamping state;
fig. 4 is the utility model relates to a power arrester patrols and examines test circuit's in tester schematic diagram.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.
In one of the embodiments, as shown in fig. 1-4, the utility model discloses a power arrester patrols and examines tester, including body 1, lid 2, fixed subassembly 3, voltage display screen 4, current display screen 5, miniature thermal printer 6, test circuit, control panel 7, test wire 8 and power cord.
Specifically, referring to fig. 1, a partition 9 is provided inside the body 1, and the partition 9 divides the body 1 into three compartments, namely, a first compartment for placing the test circuit and the control panel 7, a second compartment for placing the test line 8 and the power supply line, and a third compartment for placing the micro thermal printer 6 (not shown in fig. 1). Preferably, be equipped with a pair of reason line ware axle in the second check, a pair of reason line ware axle is perpendicular with the bottom of body 1, and test wire 8 and power cord can twine in reason line ware epaxially, make things convenient for accomodating of test wire 8 and power cord. Preferably, a handle 26 is arranged on the side wall of the body 1, so that a tester can conveniently take and move the tester.
Referring to fig. 1, a side of lid 2 and a side of body 1 pass through the articulated elements such as hinge and articulate, the inboard of lid 2 is equipped with sealed arch 10 all around, the lateral wall of body is equipped with all around with sealed arch 10 seal groove 11 of seal cooperation, the surface of sealed arch 10 is equipped with joint strip, when lid 2 and body 1 lid are fashionable, sealed arch 10 and seal groove 11 grafting cooperation, and joint strip and seal groove 11 in close contact with, thereby realize sealedly, avoid liquid or dust etc. to get into the inside of tester, cause the damage to the tester. Another side of lid 2 is equipped with spring bolt 12, be equipped with on body 1 with spring bolt 12 complex lock body 13, lid 2 passes through spring bolt 12 and lock body 13 and body 1 locking, avoid lid 2 accident to open and cause the tester to damage, wherein lock body 13 can be the lock body of trick lock or fingerprint lock, adopt trick lock or fingerprint lock locking lid 2, can avoid the misuse of tester, accomplish alone one machine, the later stage self-checking and the maintenance of the tester of being convenient for.
Referring to fig. 2 and 3, the fixing assembly 3 comprises a base 3-1, a fixing shaft 3-2, a fixing plate 3-3 and a limiting block 3-4, wherein the base 3-1 is fixed at the bottom of the body 1, at least one triangular groove 3-5 for matching with a triangular rod body is arranged on the base 3-1, and the triangular groove 3-5 is parallel to the fixing shaft 3-2 along the length direction; the fixing shaft 3-2 is fixed on the base 3-1 through the fixing seat, the limiting block 3-4 is fixed on the base 3-1 opposite to the fixing shaft 3-2, one end of the fixing plate 3-3 is sleeved on the fixing shaft 3-2, the fixing plate 3-3 can slide along the fixing shaft 3-2 and turn around the fixing shaft 3-2, the limiting block 3-4 is in an inverted L shape, the other end of the fixing plate 3-3 can be clamped with the limiting block 3-4, and the length direction of the fixing plate 3-3 is perpendicular to the length direction of the fixing shaft 3-2. When the fixing plate 3-3 slides along the fixing shaft 3-2 and is staggered with the limiting block 3-4, the fixing plate 3-3 is turned over and opened, a triangular rod body (such as a tower pole on a power transmission line iron tower and a communication iron tower) is installed and matched with the triangular groove 3-5, then the fixing plate 3-3 is turned over and closed, the fixing plate 3-3 slides along the fixing shaft 3-2 at the same time, until the other end of the fixing plate 3-3 is clamped with the limiting block 3-4, and then the stable fixing of the tester on the triangular rod body is completed.
As a specific implementation manner, two triangular grooves are arranged on the base 3-1, which are respectively a first triangular groove and a second triangular groove, and the groove depth of the first triangular groove is greater than that of the second triangular groove, and the maximum width value of the first triangular groove is greater than that of the second triangular groove. Two triangular grooves with different sizes are designed on the base 3-1, so that a tester can select the corresponding triangular groove to fix according to the size of the triangular rod body in the actual installation process, and the fixing stability is ensured.
Furthermore, the damping anti-slip layer is arranged on the side walls of the first triangular groove and the second triangular groove, so that friction force can be increased, the fixing stability effect is improved, the influence of external vibration on the tester is reduced, and the testing precision is guaranteed.
Preferably, the shock-absorbing anti-slip layer on the side walls of the first triangular groove and the second triangular groove is made of rubber, and the shock-absorbing anti-slip structure has the advantages of low cost, good shock-absorbing anti-slip effect and the like.
As a specific implementation mode, in order to further improve the fixing stability of the fixing component to the tester, the fixing plates 3-3 and the limiting blocks 3-4 are arranged in a pair, and the tester is fixed by the two fixing plates 3-3, so that the stability of the fixing component can be further improved, and the fixing safety of the tester is guaranteed.
Referring to fig. 4, the testing circuit of the present invention includes a Micro Control Unit (MCU)14, an AD conversion module 15, an analog amplification low pass filter module 16, a voltage transformer 17, a memory 18, a wireless transceiver module 19 and an indicator light 20, the rechargeable lithium battery supplies power for the whole testing circuit, the tester can work off line due to the charging function, the defect that the field operation is inconvenient due to the traditional need of using commercial power is overcome, the micro control unit 14 is respectively connected with the voltage display screen 4, the current display screen 5, the micro thermal printer 6, the AD conversion module 15, the memory 18, the wireless transceiver module 19 and the indicator light 20, the voltage transformer 17 is connected with the analog amplification low-pass filter module 16, the test line 8 is connected with the analog amplification low-pass filter module 16 through the test hole 21 (including the test hole +24 and the test hole-25), and the analog amplification low-pass filter module 16 is connected with the AD conversion module 15. The power supply arrester to be tested is connected with a test circuit through a test line 8, leakage current is input to an analog amplification low-pass filter module 16, a voltage transformer inputs reference voltage to the analog amplification low-pass filter module 16, the analog amplification low-pass filter module 16 respectively inputs the filtered reference voltage and leakage current to an AD conversion module 15 through a channel 1 and a channel 2, the AD conversion module 15 inputs digital signals after analog-to-digital conversion to a micro control unit 14, the micro control unit 14 accurately analyzes the contents of fundamental waves and 3-7 harmonic waves by adopting a harmonic analysis method in the prior art so as to accurately measure the resistive current of the power supply arrester, and respectively displays voltage parameters and resistive current parameters in the measurement process through a voltage display screen 4 and a current display screen 5, and simultaneously stores the parameters in the test process into a memory 18, thereby facilitating data tracing, wherein the memory 18 can adopt 4G capacity SD card, etc., and can store 1024 groups of data. The utility model discloses a tester both can the wire transmission data, can carry out wireless transmission data through wireless transceiver module 19 for test data can be passed back to backend server in real time, has greatly made things convenient for data management and the storage to various field test operation. The voltage display screen 4 and the current display screen 5 are preferably capacitive touch screens, and the voltage display screen 4 and the current display screen 5 can be used for adjusting the test voltage preset value, selecting the test type or the gear and the like of the tester, so that the functions of the tester are enriched.
The control panel 7 is fixed on the first grid body, and is provided with a power switch 22, a power socket 23, a test hole +24, a test hole-25 and an indicator light 20, wherein the power switch 22 is used for controlling the integral power-on and power-off of the tester, the power socket 23 is used for charging the rechargeable lithium battery, the test hole +24 and the test hole-25 are used for being connected with the test line 8, and the indicator light 20 is used for prompting a tester to start and end the test process of the tester and give an alarm in case of error.
The utility model provides a power arrester patrols and examines test appearance is applicable to the measurement of the resistive current of power arrester especially zinc oxide arrester, can the ageing and degree that wets of accurate analysis zinc oxide to make things convenient for the staff in time to discover that the zinc oxide arrester is inside to wet and dangerous defects such as valve block is ageing. The utility model discloses a power arrester patrols and examines test appearance is a special instrument that is used for scene or laboratory to detect power arrester electrical property, the organism and the box integration of this tester, uncap and to use, need not to take out the organism from the box, the simple operation, in addition the body bottom of this tester is equipped with and is used for the fixed subassembly with the body of rod of triangle-shaped, can be fixed with the body of rod of tester through fixed subassembly, thereby liberation testing personnel's both hands, avoid the tester to fall, the detection of specially adapted transmission line's power arrester, meanwhile, this tester has miniature thermal printer, utilize miniature thermal printer can directly print out and paste the test result on corresponding power arrester, make things convenient for the inspection and the contrast in later stage. The utility model discloses a power arrester patrols and examines tester still has characteristics such as small, light in weight, easy operation, can stably fix on the body of rod.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A power arrester inspection tester is characterized by comprising a body (1), a cover body (2), a fixing component (3), a voltage display screen (4), a current display screen (5), a micro thermal printer (6), a test circuit, a control panel (7), a test line (8) and a power line;
a partition board (9) is arranged in the body (1), the body (1) is divided into three grids by the partition board (9), the first grid is used for placing the test circuit and the control panel (7), the second grid is used for placing the test line (8) and the power line, and the third grid is used for placing the micro thermal printer (6);
one side edge of the cover body (2) is hinged with one side edge of the body (1), a sealing bulge (10) is arranged on the periphery of the inner side of the cover body (2), a sealing groove (11) in sealing fit with the sealing bulge (10) is arranged on the periphery of the side wall of the body (1), a lock tongue (12) is arranged on the other side edge of the cover body (2), and a lock body (13) in fit with the lock tongue (12) is arranged on the body (1);
the fixing component (3) comprises a base (3-1), a fixing shaft (3-2), a fixing plate (3-3) and a limiting block (3-4), the base (3-1) is fixed at the bottom of the body (1), the fixing shaft (3-2) and the limiting block (3-4) are relatively fixed on the base (3-1), at least one triangular groove (3-5) is arranged on the base (3-1), the triangular groove (3-5) is parallel to the fixing shaft (3-2) along the length direction, one end of the fixing plate (3-3) is sleeved on the fixing shaft (3-2), and the fixing plate (3-3) can slide along the fixing shaft (3-2) and turn around the fixing shaft (3-2), the other end of the fixed plate (3-3) can be clamped with the limiting block (3-4), and the length direction of the fixed plate (3-3) is vertical to that of the fixed shaft (3-2);
the test circuit comprises a micro control unit (14), an AD conversion module (15), an analog amplification low-pass filtering module (16), a voltage transformer (17), a memory (18), a wireless transceiver module (19) and an indicator light (20), the micro control unit (14) is respectively connected with the voltage display screen (4), the current display screen (5), the micro thermal printer (6), the AD conversion module (15), the memory (18), the wireless transceiver module (19) and the indicator light (20), the voltage transformer (17) is connected with the analog amplification low-pass filtering module (16), the test line (8) is connected with the analog amplification low-pass filtering module (16) through a test hole (21), the analog amplification low-pass filtering module (16) is connected with the AD conversion module (15);
and the control panel (7) is provided with a power switch (22), a power socket (23), a test hole + (24), a test hole- (25) and the indicator lamp (20).
2. The power arrester inspection tester according to claim 1,
the base (3-1) is provided with two triangular grooves which are a first triangular groove and a second triangular groove respectively, the depth of the first triangular groove is larger than that of the second triangular groove, and the maximum width value of the first triangular groove is larger than that of the second triangular groove.
3. The power arrester inspection tester according to claim 2,
and the side walls of the first triangular groove and the second triangular groove are provided with shock-absorbing anti-slip layers.
4. The power arrester inspection tester according to claim 3,
the shock-absorbing anti-slip layer is made of rubber.
5. The power arrester inspection tester according to claim 1 or 2,
a pair of wire arranging device shafts are arranged in the second grid body and are perpendicular to the bottom of the body (1).
6. The power arrester inspection tester according to claim 1 or 2,
the fixing plate (3-3) and the limiting block (3-4) are arranged in a pair.
7. The power arrester inspection tester according to claim 1 or 2,
the side wall of the body (1) is provided with a handle (26).
8. The power arrester inspection tester according to claim 1 or 2,
the lock body (13) is a coded lock or a fingerprint lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020096731.1U CN211698031U (en) | 2020-01-16 | 2020-01-16 | Power lightning arrester inspection tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020096731.1U CN211698031U (en) | 2020-01-16 | 2020-01-16 | Power lightning arrester inspection tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211698031U true CN211698031U (en) | 2020-10-16 |
Family
ID=72773202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020096731.1U Expired - Fee Related CN211698031U (en) | 2020-01-16 | 2020-01-16 | Power lightning arrester inspection tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211698031U (en) |
-
2020
- 2020-01-16 CN CN202020096731.1U patent/CN211698031U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 Termination date: 20220116 |