CN201212820Y

CN201212820Y - Analog signal collecting device having dual-color indicating lamp

Info

Publication number: CN201212820Y
Application number: CNU2008200383441U
Authority: CN
Inventors: 蔡磊; 李海全
Original assignee: Jiangsu Acrel Electrical Manufacturing Co Ltd
Current assignee: Jiangsu Acrel Electrical Manufacturing Co Ltd
Priority date: 2008-07-01
Filing date: 2008-07-01
Publication date: 2009-03-25
Anticipated expiration: 2018-07-01

Abstract

The utility model relates to an analogue signal collecting device which is provide with bicolor indicating lamps, which is applied to the fields of intelligent power distribution, industrial automation, and the like. The analogue signal collecting device comprises a CPU, wherein a display state switching threshold value which is set through communication is preset in the CPU, the output end of the CPU is connected with the input end of a signal flow-expansion driving circuit, the output end of the signal flow-expansion driving circuit is connected with a plurality of bicolor LED indicating lamps, two circuit loops of each LED lamp are respectively and serially connected with a current-limiting resistor, the bicolor LED indicating lamps are divided into a plurality of groups, and each a couple of bicolor LED indicating lamps are in one group, and each bicolor LED indicating lamp displays four states. After the analogue signal collecting device is adopted, the debugging personnel can observe the present state of the input signal just on the spot, thereby the extreme convenience can be brought for the debugging and maintaining workings of the user.

Description

The collection of simulant signal device of band bi-colour LED

Technical field

The utility model relates to a kind of collection of simulant signal device with bi-colour LED.Be applied to fields such as intelligent power distribution, industrial automation.Belong to the intelligent Element Technology of distribution field.

Background technology

Present existing collection of simulant signal device all has only power supply, device operation and three types of pilot lamp of communication state.In the use because do not show on the spot, must can read the state of current input signal to Control Room, cause system debug when maintenance or need frequently hurry back and forth, or needing many people to cooperate debugs, both waste of manpower and inefficiency in scene and pulpit.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned deficiency, provide a kind of commissioning staff only to need just to observe current input signal on the spot and be in which kind of state, it is very big easily with the collection of simulant signal device of bi-colour LED to bring for user's debugging maintenance work.

The purpose of this utility model is achieved in that a kind of collection of simulant signal device with bi-colour LED, it is characterized in that described device comprises CPU, be provided with show state switching threshold in the described CPU in advance by communication setting, the CPU output terminal expands stream driving circuit input end with signal and links to each other, described signal expands stream driving circuit output terminal and links to each other with some dual-colored LED pilot lamp, in the two-way current return of every LED lamp, seal in a current-limiting resistance respectively, described some dual-colored LED pilot lamp are divided into several groups, every several dual-colored LED pilot lamp are one group, and every dual-colored LED pilot lamp demonstrates four kinds of states.

The utility model is a kind of multi-analog collecting unit, by connecting voltage or elements such as current transformer, transmitter, be used for concentrating simulating signals such as gathering electric current, voltage, power, temperature, humidity, pressure, flow, through converting digital signal to after by the exchanges data of communication connection realization with supervisory system, thus the function of realization long-haul telemetry.

The utility model has increased the state deixis for each input channel, by demonstrating (redness, orange, green, do not work) four kinds of different states, the height that can demonstrate current demand signal is intuitively reported to the police, the low warning, signal is normal, four kinds of signal input states of no signal input, for field adjustable and maintenance work bring great convenience, greatly reduce labour intensity, the commissioning staff only needs just to observe current input signal on the spot and is in which kind of state, for the commissioning staff provides reference to the practical operation situation at scene, thereby take counter-measure fast, for the approach efficiently fast that provides is provided for system maintenance and fault.

Description of drawings

Fig. 1 is that systemic-function of the present utility model is implemented block diagram.

Fig. 2 is a demonstration control block diagram of the present utility model.

Fig. 3 is the driving and the current limliting annexation figure of red LED lamp of the present utility model.

Fig. 4 is the driving and the current limliting annexation figure of green LED lamp of the present utility model.

Fig. 5 is the gating control linkage graph of a relation of LED lamp of the present utility model.

Fig. 6 is of the present utility model one routine gating and drive part synoptic diagram.

Fig. 7 is the demonstration of LED lamp of the present utility model and the annexation figure that gating drives.

Fig. 8 is the display effect figure of the utility model reality.

Embodiment

Present embodiment uses 32 tunnel dual-colored LED lamps to indicate each road status input signal, is the LED lamp of lighting different colours by internal drive circuits, demonstrates four kinds of corresponding show states.

Referring to Fig. 1, after analog quantity input is through CPU sampling and computing, and make comparisons by the show state switching threshold of communication setting in advance, control the display part circuit by CPU again and show corresponding state.Below describe with regard to the control and the drive part of above-mentioned display part at Fig. 2.

Fig. 3 is the driving and the current limliting annexation figure of red LED lamp, ultimate principle is the light on and off signal of CPU output pin output LED lamp, expand stream driving circuit (can use triode or special driving IC to finish) through signal then, and, prevent LED lamp overcurrent so in the current return of each LED lamp, all seal in a current-limiting resistance in order to prevent the excessive LED of the burning lamp of electric current.Here only wherein road annexation (OP2) is described in detail, and all the other roughly the same.At first receive the base stage of a PNP triode Q111 by the output pin OP2 of CPU, be connected to the 3.3V power supply behind current-limiting resistance R102 of emitter series connection of Q111, the current collection of Q111 very drives the signal output point of red light, four of red light drive output point and are respectively B, D, F, H, it is respectively A, C, E, G that the driving output point of green light also is four, as Fig. 4.

Fig. 4 is the driving of green LED lamp and the annexation figure of current-limiting circuit, only is that with the difference of Fig. 3 the current-limiting resistance resistance is different, and is different because of the inherent luminescence strength difference of red green LED lamp.General green light will reach the luminous intensity current-limiting resistance identical with red light to be needed smaller.The concrete connection is analogous to Fig. 3 description.

Fig. 5 is the gating control linkage graph of a relation of LED lamp.Ultimate principle is the wherein input of three control code translators of four output pins of CPU, the gating of that remaining control code translator, and the drive part circuit is led in the selecting of code translator output pin.Concrete annexation is described:

Output pin P01, the P02 of CPU, P03, be connected to power supply by pull-up resistor respectively, wherein P01 connects 1 pin of code translator U1, P02 connects 2 pin of U1, P03 connects 3 pin of U1, and the output pin P04 of CPU connects the base stage of a PNP triode (Q9), the emitter of Q9 is connected with gating pin 6 pin of U1 after receiving the negative pole of single green LED lamp D33 (running indicator), D34 (communication A), D35 (communication B) respectively again, and the signal output point A, C, the E that drive green light connect the positive pole of LED lamp D33, D34, D35 respectively.4,5,8 pin of U1 connect the ground end of power supply, and 16 pin of U1 connect the positive pole (3.3V) of power supply, decoding output pin totally eight be respectively

15,14,13,12,11,10,9, No. 7.Also can do gating during actual the use and control or directly control as gating, as Fig. 6 by a plurality of CPU output pin signals by different code translators.

Fig. 7 is the demonstration of LED lamp and the annexation figure that gating drives.Ultimate principle is the corresponding positive pole that inserts eight red and green color LED lamps of drive signal output terminal (B, D, F, H ,/A, C, E, G) of red green LED lamp, expands stream through gating drive circuit after the negative pole parallel connection of LED lamp and controls break-make simultaneously.Below the concrete annexation that drives of just wherein a certain road gating be described in detail: the driving output point A, C, E, G that four of red light drive output point B, D, F, H and green lights is respectively by the anodal pin of red (1 pin) green (3 pin) of last 4 dual-colored LED lamps (D29, D30, D31, D32), per four bi-colour lights are one group, the public negative terminal of dual-colored LED lamp (2 pin) and connect the back be connected with the emitter of PNP triode Q8, the collector of Q8 connects power supply ground, the output terminal EN1 (see figure 5) of the logical control circuit of the base stage selecting of Q8.Actual circuit design also can use integrated IC to finish the function of gating drive part circuit.

Actual display effect such as Fig. 8, the show state that the three kinds of colors (red, green, orange) and the four kinds of reality that do not work are arranged that shows among the figure.

Claims

1, a kind of collection of simulant signal device with bi-colour LED, it is characterized in that described device comprises CPU, be provided with show state switching threshold in the described CPU in advance by communication setting, the CPU output terminal expands stream driving circuit input end with signal and links to each other, described signal expands stream driving circuit output terminal and links to each other with some dual-colored LED pilot lamp, in the two-way current return of every LED lamp, all seal in a current-limiting resistance respectively, described some dual-colored LED pilot lamp are divided into several groups, every several dual-colored LED pilot lamp are one group, and every dual-colored LED pilot lamp demonstrates four kinds of states.

2, a kind of collection of simulant signal device according to claim 1 with bi-colour LED, it is characterized in that described signal expands the stream driving circuit and uses triode to finish, here only wherein road annexation is described in detail, all the other are seven the tunnel roughly the same: the base stage of at first receiving a PNP triode (Q111) by the output pin (OP2) of CPU, be connected to power supply behind the emitter current-limiting resistance of series connection (R102) of this triode (Q111), the current collection of this triode (Q111) very drives the signal output point of red light, the driving output point of red light is four (B, D, F, H), the driving output point of green light also is four (A, C, E, G)

The wherein input of three control code translators of four output pins of CPU, the gating of that remaining control code translator, the drive part circuit is led in the selecting of code translator output pin, concrete annexation is described: three output pin (P01 of CPU, P02, P03), be connected to power supply by pull-up resistor respectively, one (P01) connects 1 pin of code translator U1, one (P02) connects 2 pin of U1, one (P03) connects 3 pin of U1, and another output pin (P04) of CPU connects the base stage of a PNP triode (Q9), the emitter of this triode (Q9) is received three single green LED lamp (D33 respectively, D34, D35) be connected with 6 pin of U1 again behind the negative pole, drive three output point (A of the signal of green light, C, E) meet described three single green LED lamp (D33 respectively, D34 and D35) positive pole, 4 of U1,5,8 pin connect the ground end of power supply, 16 pin of U1 connect the positive pole of power supply, totally eight (15 of decoding output pins, 14,13,12,11,10,9,7) connect label definition 8 output pin (EN1 of corresponding gate control circuit respectively, EN2, EN3, EN4, EN5, EN6, EN7, EN8)

Drive signal output terminal (the B of red green LED lamp, D, F, H, / A, C, E, G) the corresponding positive pole that inserts eight red and green color LED lamps, expand stream through gating drive circuit after the negative pole parallel connection of described eight red and green color LED lamps and control break-make simultaneously, below the concrete annexation that drives of just wherein a certain road gating be described in detail: four of red light drive output point (B, D, F, H) and four of green light drive output point (A, C, E, G) respectively by last four dual-colored LED lamp (D29, D30, D31, D32) the anodal pin of red (1 pin) green (3 pin), per four bi-colour lights are one group, the public negative terminal of dual-colored LED lamp (2 pin) and connect the back be connected with the emitter of a PNP triode (Q8), the collector of this PNP triode (Q8) connects power supply ground, the output terminal (EN1 of the logical control circuit of base stage selecting, EN2, EN3, EN4, EN5, EN6, EN7, EN8).