CN205749867U - A kind of electric energy meter 485 PORT COM detector - Google Patents
A kind of electric energy meter 485 PORT COM detector Download PDFInfo
- Publication number
- CN205749867U CN205749867U CN201620445462.9U CN201620445462U CN205749867U CN 205749867 U CN205749867 U CN 205749867U CN 201620445462 U CN201620445462 U CN 201620445462U CN 205749867 U CN205749867 U CN 205749867U
- Authority
- CN
- China
- Prior art keywords
- housing
- electric energy
- energy meter
- shell cap
- port com
- 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.)
- Expired - Fee Related
Links
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
This utility model provides a kind of electric energy meter 485 PORT COM detector, including housing and shell cap, two connecting rods it are provided with in housing, one end of two connecting rods is respectively equipped with probe, two probes pass through wired in series, being equipped with a current transformer on wire, this current transformer is sequentially connected in series operational amplifier and is connected with a single-chip microcomputer with after a/d converter, and this single-chip microcomputer and a display are connected；Being provided with female thread in shell cap, the upper end of housing is provided with external screw thread, and shell cap is connected with the threaded upper ends of housing；The lower end of housing is provided with, with lower connecting portion, the lateral wall of lower connecting portion, the external screw thread can threadeded with described female thread.This utility model simple in construction, easy to use, it is not necessary to professional operates, it is suitable for operator extensive, more practical.
Description
Technical field
This utility model relates to a kind of electric equipment detector, specifically a kind of electric energy meter 485 PORT COM detector.
Background technology
Commonly used 485 communication interfaces of existing intelligent electric meter realize telecommunication, but 485 communication interfaces are using
During often break down, affect the collection of energy data.
And in the prior art, generally used professional equipment to judge 485 communication interfaces whether fault, to behaviour by professional
The requirement making personnel is of a relatively high, does not have general applicability, and this constrains the smooth expansion of work about electric power to a certain extent.
In place of this is the deficiencies in the prior art.
Utility model content
Technical problem to be solved in the utility model is, for the deficiencies in the prior art, it is provided that a kind of electric energy meter 485 leads to
News Port detecting instrument, for reducing the requirement to operator, improves the scope of application to operator.
For solving above-mentioned technical problem, this utility model provides a kind of electric energy meter 485 PORT COM detector, including shell
Body and shell cap, be provided with two connecting rods in housing, one end of two connecting rods is respectively equipped with probe, and described probe is by wire string
Connection, described wire is equipped with a current transformer, and described current transformer is sequentially connected in series operational amplifier and a/d converter
Being connected with a single-chip microcomputer afterwards, this single-chip microcomputer and a display are connected, and this display is arranged on described housing, described electric current
Transformer, operational amplifier, a/d converter and single-chip microcomputer are arranged in housing；It is provided with female thread in described shell cap, described
The upper end of housing is provided with external screw thread, and described shell cap and the upper end of described housing are by described female thread and described external screw thread spiral shell
Stricture of vagina connects；The lower end of described housing is with lower connecting portion, and described display is positioned at the top of this lower connecting portion, described lower connection
The lateral wall in portion is provided with the external screw thread can threadeded with described female thread.
During use, shell cap is taken off, and shell cap thread is connected on described lower connecting portion, afterwards will probe and electric energy
485 communication interface contacts of table can detect, easy to use.And if 485 communication interface functions are normal, then communication interface institute
Meeting with voltage makes described wire charged, and then current transformer output current signal, at operational amplifier with a/d converter
After reason, send to single-chip microcomputer, the signal that single-chip microcomputer receives based on it, control display and just showing 485 communication interface functions
Often；Otherwise display does not has content to show.Use simple, it is not necessary to professional operates.
It is covered with rubber bumps on the lateral wall of described shell cap.
Described connecting rod is expansion link, it is simple to high-rise working.
Described expansion link includes sleeve and the sub-connecting rod being located in described sleeve, and described sleeve is with sub-connecting rod screw thread even
Connect.
The inside of described housing is provided with limiting plate, for spacing described connecting rod.
Two described probes be arranged in parallel, it is simple to use.
Compared with prior art, the utility model has the advantage of:
(1) this utility model simple in construction, easy to use, it is not necessary to professional operates, and those skilled in the art all can enter
Row operation, it is not necessary to spend more manpower and materials training technique personnel, has certain general applicability, more practical；
(2) lower end of housing described in the utility model is with lower connecting portion, and is provided with energy on the lateral wall of lower connecting portion
The external screw thread threadeded with the female thread on shell cap medial wall, during use, the shell cap thread that can will take off from housing upper end
It is connected on described lower connecting portion, structure of the present utility model not only can be made the compactest, and it is new also can to increase this practicality
The length of electric energy meter 485 PORT COM detector described in type, and then be easy to a certain extent the electric energy meter at higher position
485 PORT COM detect, more practical；
(3) be covered with rubber bumps on the lateral wall of shell cap described in the utility model, can by shell cap from the upper end of housing
Or lower end is when spinning down, increases the coefficient of friction of shell cap lateral wall, and then be easy on housing, take off shell cap, be easy to again
Anti-skidding shell cap is threadeded when becoming Handheld Division with the lower connecting portion of housing lower end, more practical.
As can be seen here, this utility model compared with prior art, has substantive distinguishing features and progress, its useful effect implemented
Fruit is also apparent from.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is functional block diagram schematic diagram of the present utility model.
In figure: 1, shell cap, 2, connecting rod, 21, sub-connecting rod, 22, sleeve, 3, probe, 4, housing, 41, lower connecting portion, 5, lead
Line, 6, current transformer, 7, rubber bumps, 8, limiting plate.
Detailed description of the invention
For making the technical solution of the utility model and advantage clearer, below in conjunction with accompanying drawing, to of the present utility model
Technical scheme is clearly and completely described.
A kind of electric energy meter 485 PORT COM detector of this detailed description of the invention, as shown in Figure 1, 2, including housing 4 and shell
Cap 1, is provided with two connecting rods 2 in housing 4, one end of two connecting rods 2 is respectively equipped with probe 3, and described probe 3 is gone here and there by wire 5
Connection, two probes 3 be arranged in parallel.Being equipped with a current transformer 6 on described wire 5, described current transformer 6 is sequentially connected in series
Operational amplifier is connected with a single-chip microcomputer with after a/d converter, and this single-chip microcomputer and a display are connected, and this display is arranged on institute
On the housing 4 stated, described current transformer 6, operational amplifier, a/d converter and single-chip microcomputer are arranged in housing 4；Described
Shell cap 1 in be provided with female thread, the upper end of described housing 4 is provided with external screw thread, and described shell cap 1 passes through with the upper end of described housing 4
Described female thread is threadeded with described external screw thread；The lower end of described housing 4 is with lower connecting portion 41, described display
Being positioned at the top of this lower connecting portion 41, the lateral wall of described lower connecting portion 41 is provided with can threaded with described female thread
External screw thread.It is covered with rubber bumps 7 on the lateral wall of described shell cap 1, shell cap 1 can screwed off from the upper end of housing 4 or lower end
When coming, increase the coefficient of friction of shell cap 1 lateral wall, and then be easy on housing 4, take off shell cap 1, be easy to again by shell
It is anti-skidding that cap 1 is threadeded when becoming Handheld Division with the lower connecting portion 41 of housing 4 lower end, more practical.
For increasing the motility that this utility model uses, described connecting rod 2 is expansion link, and this expansion link includes sleeve 22 He
Being located at the sub-connecting rod 21 in described sleeve 22, described sleeve 22 is threadeded with sub-connecting rod 21, simple in construction, facilitate implementation,
And it is easy to adjust.
For preventing the radial rotating of connecting rod 2 and sliding axially, the inside of housing 4 is provided with the limit for spacing described connecting rod 2
Position plate 8.
During use, shell cap 1 is taken off, and shell cap 1 is threaded on described lower connecting portion 41, regulate probe afterwards
3 and probe 3 is contacted can detect with 485 communication interfaces of electric energy meter, easy to use.And if 485 communication interface functions
Normally, then communication interface meeting with voltage make described wire 5 charged, and then current transformer 6 output current signal, electric current is mutual
The current signal of sensor 6 output, after operational amplifier processes with a/d converter, sends to single-chip microcomputer, and single-chip microcomputer connects based on it
The signal received, controls display and shows that 485 communication interface functions are normal；Otherwise display does not has content to show.
To sum up, this utility model simple in construction, easy to use, it is not necessary to professional operates, is suitable for operator extensive, relatively
For practicality.
Embodiment of above only in order to the technical solution of the utility model to be described, is not intended to limit；Although with reference to aforementioned
This utility model has been described in detail by embodiment, it will be understood by those within the art that: it is the most permissible
Technical scheme described in aforementioned each embodiment is modified, or wherein portion of techniques feature is carried out equivalent；
And these amendments or replacement, do not make the essence of appropriate technical solution depart from this utility model each embodiment technical scheme
Scope.
Claims (6)
1. an electric energy meter 485 PORT COM detector, including housing and shell cap, it is characterised in that be provided with two companies in housing
Bar, one end of two connecting rods is respectively equipped with probe, and described probe, by wired in series, described wire is equipped with an electric current mutual
Sensor, described current transformer is sequentially connected in series operational amplifier and is connected with a single-chip microcomputer with after a/d converter, this single-chip microcomputer with
One display is connected, and this display is arranged on described housing, described current transformer, operational amplifier, a/d converter
It is arranged in housing with single-chip microcomputer；
Being provided with female thread in described shell cap, the upper end of described housing is provided with the upper end of external screw thread, described shell cap and described housing
Threadeded with described external screw thread by described female thread；
The lower end of described housing is with lower connecting portion, and described display is positioned at the top of this lower connecting portion, described lower connecting portion
Lateral wall be provided with the external screw thread can threadeded with described female thread.
Electric energy meter 485 PORT COM detector the most according to claim 1, it is characterised in that the lateral wall of described shell cap
On be covered with rubber bumps.
Electric energy meter 485 PORT COM detector the most according to claim 1 and 2, it is characterised in that described connecting rod is flexible
Bar.
Electric energy meter 485 PORT COM detector the most according to claim 3, it is characterised in that described expansion link includes
Sleeve and the sub-connecting rod being located in described sleeve, described sleeve is threadeded with sub-connecting rod.
Electric energy meter 485 PORT COM detector the most according to claim 1 and 2, it is characterised in that the inside of described housing
It is provided with the limiting plate for spacing described connecting rod.
Electric energy meter 485 PORT COM detector the most according to claim 1 and 2, it is characterised in that two described probes
It is arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620445462.9U CN205749867U (en) | 2016-05-17 | 2016-05-17 | A kind of electric energy meter 485 PORT COM detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620445462.9U CN205749867U (en) | 2016-05-17 | 2016-05-17 | A kind of electric energy meter 485 PORT COM detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205749867U true CN205749867U (en) | 2016-11-30 |
Family
ID=57367358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620445462.9U Expired - Fee Related CN205749867U (en) | 2016-05-17 | 2016-05-17 | A kind of electric energy meter 485 PORT COM detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205749867U (en) |
-
2016
- 2016-05-17 CN CN201620445462.9U patent/CN205749867U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104545979B (en) | Electric brush detecting device and CT scanning system | |
| CN105699756A (en) | Electronic load ripple detection device | |
| CN206339353U (en) | A kind of wire harness vibration test hit detection means | |
| CN205749867U (en) | A kind of electric energy meter 485 PORT COM detector | |
| CN104849557A (en) | Portable suspension insulator zero value and low value detection tool | |
| CN211043488U (en) | Lightning arrester direct current reference voltage test acquisition device based on Zigbee | |
| CN203396789U (en) | Arrester three-phase simultaneous detection lead wire clamp | |
| CN207798928U (en) | A kind of AC single phase voltage sensor | |
| CN103353542B (en) | Lightning arrester three-phase detects wire clamp simultaneously | |
| CN207181548U (en) | A kind of inspection equipment for intelligent power distribution cabinet iPanel | |
| CN104360216B (en) | Ground detection device and ground detecting method | |
| CN202676845U (en) | Device for monitoring earth fault of transformer core | |
| CN204731315U (en) | A kind of portable suspended porcelain insulator null value and low value testing tool | |
| CN205229372U (en) | A grounding detection acousto -optic warning module | |
| CN207586327U (en) | High-voltage parallel capacitor on-line monitoring system | |
| CN204631180U (en) | A kind of parallel thyristors leak current detection device and system | |
| CN208174135U (en) | A kind of novel relay protection terminal lifts device | |
| CN208172052U (en) | Bus tube clamp | |
| CN203551720U (en) | Mutual inductor polarity testing device | |
| CN208548756U (en) | Induction-type high-voltage charges indicators for switching condition | |
| CN211927954U (en) | Ground resistance is quick termination of earth bar for experiment | |
| CN103267878B (en) | A kind of connector for super-high frequency partial discharge detection | |
| CN206479599U (en) | A kind of on off test device of TN system earths line | |
| CN214585800U (en) | Power supply station distribution lines fault inspection device | |
| CN206524773U (en) | A kind of rectifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20190517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |