CN201218821Y - EX8 integrated electric power monitoring instrument - Google Patents
EX8 integrated electric power monitoring instrument Download PDFInfo
- Publication number
- CN201218821Y CN201218821Y CNU200820024379XU CN200820024379U CN201218821Y CN 201218821 Y CN201218821 Y CN 201218821Y CN U200820024379X U CNU200820024379X U CN U200820024379XU CN 200820024379 U CN200820024379 U CN 200820024379U CN 201218821 Y CN201218821 Y CN 201218821Y
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- integrated circuit
- housing
- mounted integrated
- stupefied
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Abstract
The utility model discloses a EX8 integral power monitor controller, which is composed of a shell (1), a front cover (2), buttons (3), square liquid crystal display screen (4), parameter inputting end connecting bases (6); parameter outputting end connecting bases (7), being characterized in that the shell (1) is provided with a front layer, middle layer and rear layer integral circuit plates (5, 5', 5'') paralleling to the square liquid crystal display screen (4); the front layer integral circuit plate (5) is installed with the LPC2132 single chip machine (11); the middle layer integral circuit plate (5') is installed with three current sensing rings (8, 8', 8''); four corners of the outer wall of the shell (1) is provided with the pushing self-locking card (9); the upper wall middle part and lower wall middle part of the shell (1) are both provided with the radiating windows (10). The monitor controller not only has a complete functions, lower cost, liquid crystal display; the installation and checking are convenient, which can extensively used for changing and wiring the power, opening and closing closet, electric parameter diction of the industrial automation field and so on.
Description
Technical field
The utility model relates to a kind of improvement of electrical parameters detection transmitter, particularly a kind ofly make things convenient for wiring, make things convenient for the scene to check various electrical quantitys, flexible for installation, the EX8 synthesis electrical supervising instrument that makes things convenient for the client to use, be applicable to fields such as becoming power distribution automation, intelligent switch-board cabinet, industrial automation, intelligent building, energy management system, Large UPS system.
Technical background
In various automation control systems, all need comprehensive electrical quantity is detected, the original signal of these comprehensive electrical quantitys has 6, comprises U
1, U
2, U
3, I
1, I
2, I
3, can calculate more than 40 electrical quantity in view of the above, wherein common as phase voltage (V
1, V
2, V
3), phase voltage average (Vlnavg), line voltage (V
1, V
23, V
31), line average voltage (Vllavg), electric current (I
1, I
2, I
3), three-phase current mean value (Iavg), zero-sequence current (In), total active power (Psum), total reactive power (Qsum), total applied power (Ssum), total power factor (PF), each phase active power (P
1, P
2, P
3), each phase reactive power (Q
1, Q
2, Q
3), each phase applied power (S
1, S
2, S
3), each phase power factor (PF
1, PF
2, PF
3), frequency (F), active electrical degree (expendable active electrical degree (Ep_imp), release property active electrical degree (Ep_exp), absolute value and active electrical degree (Ep_total), clean active electrical degree (Ep_net)), idle electric degree (the idle electric degree of expendable (Eq_imp), the idle electric degree of release property (Eq_exp), absolute value and idle electric degree (Eq_total), clean idle electric degree (Eq_net)), degree of unbalancedness (voltage tri-phase unbalance factor U_unbl, electric current tri-phase unbalance factor I_unbl), harmonic wave total content (voltage total harmonic distortion THD_V1, THD_V2, THD_V3, THD_Vavg, electric current total harmonic distortion THD_I1, THD_I2, THD_I3, THD_Iavg) etc.Used detecting instrument has multiple at present, comprise current transducer, voltage transmitter, the active power transmitter, the reactive power transmitter, power factor transmitter and electric parameters transducer, these transmitters have two parts to constitute mostly, a part is a Sensor section, another part is the detection calculations part, promptly obtain light current from strong alternating current loop with sensor earlier and press signal, after shaping is amplified respectively, measure its cycle and voltage by computing machine, phase differential between the electric current, the parameter signal standard is exported, with analog quantity input detection calculations module, convert parameter value to digital signal again, insert microcomputer again.The deficiency of these transmitters is: function singleness, and need distinguish a plurality of parameters and to set a plurality of transmitters separately, therefore, structure is messy, complicated, use is inconvenient, and its sensor is a plug-in type, the wiring inconvenience, and do not have on-the-spot Presentation Function, various parameters are checked at the scene of influence; In addition, the installation of each detecting instrument all is fixed on its base on the position that will install by bolt, installs inconvenient.In order to solve above deficiency, our company has designed the EDA9133 synthesis electrical supervising instrument on April 17th, 2007, and its patent No. is 200720020904.6, various detecting instruments are combined in the housing, make that it is multiple functional, use cost is low, liquid crystal display, make things convenient for field observation, but because circuit board is a single layer designs, so make its structural volume big, particularly thickness is big, use inconvenience, and not attractive in appearance, during installation, no special self-locking mechanism is so install inconvenient.
Summary of the invention
The purpose of this utility model be to provide a kind of not only multiple functional, use cost is low, can liquid crystal display, and easy to use, compact conformation, volume are little, band self-locking structure, the EX8 synthesis electrical supervising instrument being convenient to install.
For reaching above purpose; the technical scheme that the utility model adopted is: this EX8 synthesis electrical supervising instrument; by housing; protecgulum; button; the square LCDs; each parameter input end junction block; each parameter output terminal junction block constitutes; four side wall surfaces of housing surround square; be provided with square LCDs at the middle part of protecgulum; and be fixedly connected on by protecgulum on the front side square mouth of housing; button is established in bottom at protecgulum; square LCDs and button are designed to one; it is characterized in that in housing, establishing the anterior layer surface-mounted integrated circuit; the middle level surface-mounted integrated circuit; back layer surface-mounted integrated circuit; the anterior layer surface-mounted integrated circuit; the middle level surface-mounted integrated circuit; back layer surface-mounted integrated circuit is all parallel with square LCDs; the LPC2132 single-chip microcomputer is installed on the anterior layer surface-mounted integrated circuit; on the surface-mounted integrated circuit of middle level, install three current sense coils; like this; can be perfect holding circuit design and stopped the space; be beneficial to the volume that reduces housing; particularly reduced the thickness of housing; the push-in type self-locking card is established in four bights at the housing outer wall; can make things convenient for on-the-spot installation and maintenance by the push-in type self-locking card; upper wall middle part and lower wall middle part at housing are equipped with thermal window; on the thermal window at the thermal window at upper wall middle part and lower wall middle part; following alignment; to form convection current; make ventilation and heat in the housing, the anterior layer surface-mounted integrated circuit; the middle level surface-mounted integrated circuit; back layer surface-mounted integrated circuit is connected by corresponding plug connector respectively.The utility model is also implemented by following measure: described each parameter input end junction block is located at the bottom of the squab panel face of housing, each parameter output terminal junction block is established two rows, all be fixed on the top of housing squab panel face, each parameter input end junction block is connected with the bottom of middle level surface-mounted integrated circuit, each parameter output terminal junction block respectively with forward and backward layer surface-mounted integrated circuit upper end mutually in succession; Establish on the sidewall of the bight of housing and be parallel to the stupefied chute in bight, establish on stupefied in the bight and end line, the slide rail on the push-in type self-locking card is stuck in the chute on the sidewall of housing bight, and the locking teeth on the push-in type self-locking card is stuck in housing bight ending on stupefied and falls on the line; Described push-in type self-locking card is a corner board, slide rail on the push-in type self-locking card is located at the inboard of corner board lateral plates, and stupefied parallel with the angle of corner board, establishes elastic plate in the lateral plates front side of corner board, elastic plate is stupefied vertical with the angle of corner board, and stupefied rear side is established locking teeth at the angle of corner board; Circuit on described anterior layer surface-mounted integrated circuit, middle level surface-mounted integrated circuit, the back layer surface-mounted integrated circuit comprises: metering circuit, display circuit, control circuit, communication interface and power unit are formed, one side of each the parameter input end junction block on the surface-mounted integrated circuit of the middle level of enclosure interior comprises that input 0～400V and advance signal treatment circuit partly constitute, and comprise and advance signal treatment circuit part that by lead input 0-10A electric current to three a current sense coil module is therefrom obtained multiple real time datas such as voltage, electric current, frequency; The square LCDs adopts high-quality matrix liquid-crystal display screen (LCD), and every screen can show the figure of 10 * 10 Chinese characters (16 * 16) or 160 * 160 pixels; Microcontroller in the control circuit is a core with the LPC2132 single-chip microcomputer, is equipped with 6 road A/D conversion, and peripheral function possesses the output of No. 2 relays, the input of 2 way switch amounts, 1 tunnel 4～20mA output, 2 road electrical energy pulse outputs etc.; Communication interface adopts half-duplex RS 485 interfaces, is used for transmitting measurement data in real time to host computer; Power supply and processing, communication, control section are isolated fully, maximum realization safe, and this circuit structure is a known technology, so seldom describe.Data processing such as software realizes mainly that measurement data is calculated, inner parameter calculates, electric energy adds up, degree of unbalancedness and total harmonic wave, it also is known technology, because the software amount is big, function is complicated, therefore program has adopted advanced programming theory, and function modoularization, architectureization, task are oversimplified.Do like this and have multiple advantage: program maintenance is simple, clear process is clear, response speed is fast.When using the utility model, this monitor is inserted in the mounting hole on installing plate, with the push-in type self-locking card push can pin fixing, three-phase circuit I
A, I
B, I
CBe connected by each parameter input end junction block respectively, connect load again, and draw U from the signal wire of periphery
A, U
B, U
CThe voltage separated time inserts each parameter input end junction block together with UGND, after handling through three layers of surface-mounted integrated circuits detection, inserts seated connection from each parameter output terminal and goes into microcomputer.
Advantage of the present utility model is: compare with the multi-functional transmitter of present application, not only have multiple functional, reduce cost, the advantage of liquid crystal display, but also have the advantage that easy-to-connect, fitting operation are beneficial to on-the-spot Fast Installation simply, especially, check parameter.Can be widely used in the electrical parameters detection that becomes power distribution automation, switch-board cabinet, industrial automation field.
Description of drawings
Fig. 1 cuts open synoptic diagram for the utility model structure master office of looking.
Fig. 2 is the utility model schematic rear view.
Fig. 3 removes front-view schematic diagram after protecgulum and the square LCDs for the utility model.
Fig. 4 overlooks enlarged diagram for the utility model self-locking card structure.
Fig. 5 has provided the wiring circuit embodiments principle schematic when the utility model is used for the high pressure three-phase and four-line.
Embodiment
Make the utility model with reference to accompanying drawing 1,2,3,4.This EX8 synthesis electrical supervising instrument, by housing 1, protecgulum 2, button 3, square LCDs 4, each parameter input end junction block 6, each parameter output terminal junction block 7 constitutes, four side wall surfaces of housing 1 surround square, be provided with square LCDs 4 at the middle part of protecgulum 2, and be fixedly connected on by protecgulum 2 on the front side square mouth of housing 1, establish button 3 in the bottom of protecgulum 2, it is characterized in that in housing 1, establishing anterior layer surface-mounted integrated circuit 5, middle level surface-mounted integrated circuit 5 ', back layer surface-mounted integrated circuit 5 "; anterior layer surface-mounted integrated circuit 5; middle level surface-mounted integrated circuit 5 '; back layer surface-mounted integrated circuit 5 is " all parallel in square LCDs 4, LPC2132 single-chip microcomputer 11 is installed on anterior layer surface-mounted integrated circuit 5, middle level surface-mounted integrated circuit 5 ' on install three current sense coils 8,8 ', 8 "; push-in type self-locking card 9 is established in four bights at housing 1 outer wall; upper wall middle part and lower wall middle part at housing 1 are equipped with thermal window 10; on the thermal window at the thermal window at upper wall middle part and lower wall middle part; alignment down; make it form convection current, anterior layer surface-mounted integrated circuit 5, middle level surface-mounted integrated circuit 5 ', back layer surface-mounted integrated circuit 5 " is connected by corresponding plug connector respectively.Described each parameter input end junction block 6 is located at the bottom of the squab panel face of housing 1, each parameter output terminal junction block 7 is established two rows, all be fixed on the top of housing 1 squab panel face, each parameter input end junction block 6 and middle level surface-mounted integrated circuit 5 ' the bottom be connected, each parameter output terminal junction block 7 respectively with forward and backward layer surface-mounted integrated circuit 5,5 " the upper end mutually in succession; On the sidewall of the bight of housing 1, establish and be parallel to the stupefied chute in bight 12, establish on stupefied in the bight and to end line 13, slide rail 9a on the push-in type self-locking card 9 is stuck in the chute 12 on the housing 1 bight sidewall, and the locking teeth 9b on the push-in type self-locking card 9 is stuck in housing 1 bight ending on stupefied and falls on the line 13; Described push-in type self-locking card 9 is a corner board, slide rail 9a on the push-in type self-locking card 9 is located at the inboard of corner board lateral plates, and it is stupefied parallel with the angle of corner board, elastic plate 9c is established in lateral plates front side at corner board, elastic plate 9c is stupefied vertical with the angle of corner board, and stupefied rear side is established locking teeth 9b at the angle of corner board; Described anterior layer surface-mounted integrated circuit 5, middle level surface-mounted integrated circuit 5 ', back layer surface-mounted integrated circuit 5 " on circuit comprise: metering circuit; display circuit; control circuit; communication interface and power unit are formed; the middle level surface-mounted integrated circuit 5 of housing 1 inside ' on a side of each parameter input end junction block 6 comprise that input 0～400V and advance signal treatment circuit partly constitute; and by lead input 0-10A electric current to three a current sense coil 8,8 ', 8 " comprise and advance signal treatment circuit part that module is therefrom obtained voltage; electric current; multiple real time data such as frequency; Square LCDs 4 adopts high-quality matrix liquid-crystal display screen (LCD) display module, and every screen can show the figure of 10 * 10 Chinese characters (16 * 16) or 160 * 160 pixels; Microcontroller in the control circuit is a core with the LPC2132 single-chip microcomputer, is equipped with 6 road A/D conversion; Peripheral function possesses the output of No. 2 relays, 2 way switch amount Input Monitor Connectors, 1 tunnel 4～20mA output, 2 road electrical energy pulse outputs etc.; Communication interface adopts half-duplex RS 485 interfaces, is used for transmitting measurement data in real time to host computer; Power supply and processing, communication, control section are isolated fully, and in addition, software realizes that mainly measurement data calculates, data processing such as inner parameter calculates, electric energy adds up, degree of unbalancedness and total harmonic wave, and above circuit theory and software are prior art.
Claims (3)
1, a kind of EX8 synthesis electrical supervising instrument, by housing (1), protecgulum (2), button (3), square LCDs (4), each parameter input end junction block (6), each parameter output terminal junction block (7) constitutes, be provided with square LCDs (4) at the middle part of protecgulum (2), and be fixedly connected on by protecgulum (2) on the front side square mouth of housing (1), establish button (3) in the bottom of protecgulum (2), it is characterized in that in housing (1), establishing anterior layer surface-mounted integrated circuit (5), middle level surface-mounted integrated circuit (5 '), back layer surface-mounted integrated circuit (5 "); anterior layer surface-mounted integrated circuit (5); middle level surface-mounted integrated circuit (5 '); (5 ") are all parallel in square LCDs (4) for back layer surface-mounted integrated circuit, go up installation LPC2132 single-chip microcomputer (11) at anterior layer surface-mounted integrated circuit (5), on middle level surface-mounted integrated circuit (5 '), install three current sense coils (8,8 ', 8 "); push-in type self-locking card (9) is established in four bights at housing (1) outer wall, be equipped with thermal window (10) at the upper wall middle part and the lower wall middle part of housing (1).
2, EX8 synthesis electrical supervising instrument according to claim 1, it is characterized in that described each parameter input end junction block (6) is located at the bottom of the squab panel face of housing (1), each parameter output terminal junction block (7) is established two rows, all be fixed on the top of housing (1) squab panel face, each parameter input end junction block (6) is connected with the bottom of middle level surface-mounted integrated circuit (5 '), each parameter output terminal junction block (7) respectively with forward and backward layer surface-mounted integrated circuit (upper end of 5,5 ") is mutually in succession; On the bight sidewall of housing (1), establish and be parallel to the stupefied chute in bight (12), establish on stupefied in the bight and to end line (13), slide rail (9a) on the push-in type self-locking card (9) is stuck in the chute (1 2) on the sidewall of housing (1) bight, and the locking teeth (9b) on the push-in type self-locking card (9) is stuck in housing (1) bight ending on stupefied and falls on the line (13).
3, EX8 synthesis electrical supervising instrument according to claim 1 and 2, it is characterized in that described push-in type self-locking card (9) is a corner board, slide rail (9a) on the push-in type self-locking card (9) is located at the inboard of corner board lateral plates, and it is stupefied parallel with the angle of corner board, establish elastic plate (9c) in the lateral plates front side of corner board, elastic plate (9c) is stupefied vertical with the angle of corner board, establishes locking teeth (9b) at the stupefied rear side in the angle of corner board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820024379XU CN201218821Y (en) | 2008-06-23 | 2008-06-23 | EX8 integrated electric power monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820024379XU CN201218821Y (en) | 2008-06-23 | 2008-06-23 | EX8 integrated electric power monitoring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218821Y true CN201218821Y (en) | 2009-04-08 |
Family
ID=40541656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820024379XU Expired - Fee Related CN201218821Y (en) | 2008-06-23 | 2008-06-23 | EX8 integrated electric power monitoring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201218821Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107291020A (en) * | 2017-08-14 | 2017-10-24 | 苏州骅奔物联网有限公司 | A kind of modularization Internet of Things signal picker |
-
2008
- 2008-06-23 CN CNU200820024379XU patent/CN201218821Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107291020A (en) * | 2017-08-14 | 2017-10-24 | 苏州骅奔物联网有限公司 | A kind of modularization Internet of Things signal picker |
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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: 20090408 Termination date: 20140623 |
|
| EXPY | Termination of patent right or utility model |