CN203882179U - Transformer temperature controller detection system - Google Patents
Transformer temperature controller detection system Download PDFInfo
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- CN203882179U CN203882179U CN201420260132.3U CN201420260132U CN203882179U CN 203882179 U CN203882179 U CN 203882179U CN 201420260132 U CN201420260132 U CN 201420260132U CN 203882179 U CN203882179 U CN 203882179U
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- temperature controller
- transformer temperature
- operational amplifier
- detection system
- transformer
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Abstract
The utility model provides a transformer temperature controller detection system which solves the problems that the cost is high and the efficiency is low because transformer temperature controllers in the prior art cannot be unifiedly monitored. The detection system includes a transformer temperature controller and a camera connected with the transformer temperature controller, current signals and switching value signals output by the transformer temperature controller are connected with the input end of a processor via a PCI bus cardboard, video signals output by the camera are connected with the input end of the processor via a video acquisition device, and the output end of the processor is connected with a display system. The transformer temperature controller detection system can be widely used, can monitor a plurality of transformer temperature controllers via the processor, can timely know the work states and the work conditions of the transformer temperature controllers, facilitates personnel's maintenance, and can timely inform nearby personnel if accidents happen; and meanwhile, the transformer temperature controller detection system is free of being watched over by special personnel, and is high in applicability.
Description
Technical field
The utility model relates to temperature detection field, refers to especially a kind of detection system that can simultaneously monitor multiple transformer temperature controllers.
Background technology
At present, researchist investigates the measured temperature signal of the existing transformer temperature controller of rear discovery to domestic and international product following several transmission mode: the first is to export by Pt100 resistance signal, another kind is to export by 4～20mA electric current, last all signal is converted into 4～20mA current delivery to the computing machine in the master station of a distant place after, monitor the thermometric accuracy of transformer temperature controller, and each switching value is detected, more than can reach operating personnel carry out reading requirement to on-the-spot temperature controller, maximum feature is very directly perceived for operating personnel, have picture and time real picture explanation, if the on-the-spot existing problems of the wrong explanation of numerical value, thereby can fully understand the quality of transformer temperature controller, so also can feed back in time the operating mode of transformer.
Existing transformer temperature control device is mostly independent temperature controller, is independently controlled by self, does not form unified temperature monitoring system, unifies to control, and therefore, cost is high, and efficiency is low, is unfavorable for energy-conserving and environment-protective.
Utility model content
The utility model proposes a kind of transformer temperature controller detection system, can monitor multiple transformer temperature controllers simultaneously, solved in prior art and can not carry out unified monitoring and cause high, the inefficient problem of cost transformer temperature controller.
The technical solution of the utility model is achieved in that
A kind of transformer temperature controller detection system, comprise: transformer temperature controller and the camera being connected with transformer temperature controller, the current signal of transformer temperature controller output is connected with the input end of processor through pci bus clamp with switching value signal, the vision signal of camera output is connected with the input end of processor through video acquisition device, and the output terminal of processor is connected with display system.
Preferably, pci bus clamp is connected with processor by signal pickup assembly, and pci bus clamp is AC6610 terminal block, and signal pickup assembly is AC6610 capture card.
Preferably, transformer temperature controller is connected with video acquisition device by video signal cable, and video acquisition device is H604A video frequency collection card.
Preferably, also comprise the photo saved system being connected with display system, display system comprises real-time display device, image display and measurement point display.
Preferably, processor comprises single-chip microcomputer and the power circuit, clock circuit and the temperature sensing circuit that are connected with single-chip microcomputer respectively.
Preferably, single-chip microcomputer adopts the single-chip microcomputer of STC98C52 model.
Preferably, power circuit comprises AC power, transformer and current rectifying and wave filtering circuit, AC power is after transformer pressure-reducing, export through current rectifying and wave filtering circuit again, current rectifying and wave filtering circuit comprises the rectifier bridge and filter capacitor C10 and the C11 in parallel that are made up of diode, the two ends of capacitor C 11 are connected with capacitor C 9, between capacitor C 11 and capacitor C 9, are connected with accumulator.
Preferably, temperature sensing circuit comprises by operational amplifier IC2A, operational amplifier IC2B, operational amplifier IC3A and voltage stabilizer, the output terminal of operational amplifier IC2A is connected with the reverse input end of operational amplifier IC2B, the output terminal of operational amplifier IC2B is connected with the reverse input end of operational amplifier IC3A, and the output terminal of operational amplifier IC3A is connected with voltage stabilizer.
Preferably, operational amplifier IC2A, operational amplifier IC2B and operational amplifier IC3A are the dual operational amplifier of LM358 model.
Preferably, voltage stabilizer is the fixed voltage three terminal integrated voltage stabilizer of 78L05 model.
The beneficial effects of the utility model are:
1, on the housing of transformer temperature controller, be connected with camera, operating personnel do not need at the scene, in the indoor indicated temperature of on-the-spot transformer temperature controller of just can observing;
2, by camera is installed, it is more accurate to make on-the-spot monitoring, the problem such as abnormal that can find in time that transformer temperature controller dial plate and temperature exist;
Transformer temperature controller detection system of the present utility model can be widely used, by processor, multiple transformer temperature controllers are monitored, understand in time duty and the working environment of transformer temperature controller, be convenient to staff's maintenance, something unexpected happened is convenient near the staff of notice in time, repairing in time, simultaneously, need not special messenger nurse, applicability is strong.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is structure connection diagram of the present utility model;
Fig. 3 is the theory diagram of display system in Fig. 1;
Fig. 4 is the theory diagram of processor in Fig. 1;
Fig. 5 is the circuit theory diagrams of power circuit in Fig. 4;
Fig. 6 is the circuit theory diagrams of temperature sensing circuit in Fig. 4.
In figure:
1, transformer temperature controller; 2, communication interface; 3, press key control system; 4, processor; 5, display system; 6, camera; 7, video acquisition device; 8, video signal cable; 9, AC power; 10, direct supply; 11, input media; 12, key control panel; 13, signal pickup assembly; 14, real-time display device; 15, image display; 16, measurement point display; 17, photo saved system; 18, single-chip microcomputer; 19, clock circuit; 20, temperature sensing circuit; 21, power circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, transformer temperature controller detection system of the present utility model comprises: transformer temperature controller 1 and the camera 6 being connected with transformer temperature controller 1, the temperature controller switch amount signal of output and temperature controller current signal are inputed to communication interface 2 by transformer temperature controller 1, communication interface 2 is connected with processor 4, preferably, communication interface 2 adopts the pci bus clamp being arranged on processor 4 draw-in grooves, pci bus clamp is Peripheral Component Interconnect (Peripheral Component Interconnect) standard interface, it is the most widely used interface in processor 4, for realizing the transmission of data between transformer temperature controller 1 and processor 4, camera 6 is aimed at the dial plate of transformer temperature controller 1, camera 6 has high definition, miniature, can suppress high light, waterproof, monitoring angle is large, the feature such as night-viewable, in the time reaching temperature spot, camera 6 is taken pictures and video image is transferred to processor 4 by video acquisition device 7, thereby can obtain the default temperature point value in transformer temperature controller 1, and corresponding picture signal is sent to processor 4, processor 4 is controlled according to predefined temperature.Like this, temperature controlled efficiency is higher, cuts the waste, and intelligent level is higher, camera 6 is for gathering transformer temperature controller 1 vision signal, vision signal is offered to video acquisition device 7, and preferred, video acquisition device 7 adopts H604A video frequency collection card, pci bus clamp adopts AC6610 terminal block, video acquisition device 7 is sent to vision signal processor 4 again, and processor 4 is connected with display system 5, and display system 5 is for demonstrating the relevant information of transformer temperature controller 1.
Fig. 2 is the structure connection layout of transformer temperature controller detection system in the utility model, as shown in Figure 2, the utility model is connected by pci bus clamp several transformer temperature controllers 1 to transformer temperature controller n (n is natural number) with signal pickup assembly 13, pci bus clamp is also connected with key control panel 12, transformer temperature controller 1 is connected with camera 6, the direct supply 10 being connected with camera 6 is for powering to camera 6, camera 6 is connected with video acquisition device 7 by video signal cable 8, signal pickup assembly 13 is AC6610 capture card, current signal and switching value signal that signal pickup assembly 13 is exported for gathering transformer temperature controller 1, the vision signal that video acquisition device 7 is exported for acquisition camera 6, processor 4 is connected with AC power 9 and input media 11, input media 11 comprises mouse and keyboard, processor 4 receives the current signal that transformer temperature controller 1 is exported, after the vision signal that switching value signal and camera 6 are exported, carry out analyzing and processing, and judge the working condition of transformer temperature controller 1, and export by display system 5, as shown in Figure 3, display system 5 comprises real-time display device 14, image display 15 and measurement point display 16, real-time display device 14 is for showing in real time the current signal that transformer temperature controller 1 is exported, the vision signal of image display 15 for showing that camera 6 is captured, the switching value signal that measurement point display 16 is exported for showing transformer temperature controller 1, display system 5 is connected with photo saved system 17, operating personnel judge that by the interior canned data of display system 5 whether detected object is qualified and which kind of object is defective, staff carries out file and the printing of data again, and be stored to photo saved system 17, qualified product warehousing, underproof product returns to debugging again.
Fig. 4 is the theory diagram of processor in the utility model, as shown in Figure 4, processor 4 comprises single-chip microcomputer 18 and the clock circuit 19 being connected with single-chip microcomputer 18 respectively, temperature sensing circuit 20 and power circuit 21, single-chip microcomputer 18 adopts the single-chip microcomputer of STC98C52 model, clock circuit 19 adopts the crystal oscillator of 12MHZ, as shown in Figure 5, power circuit in the utility model processor comprises alternating current 220V power supply, current rectifying and wave filtering circuit and accumulator, alternating current 220V voltage is after transformer TF1 step-down, again through current rectifying and wave filtering circuit output dc voltage, current rectifying and wave filtering circuit comprises the rectifier bridge and filter capacitor C10 and the C11 in parallel that are made up of diode, after rectifying and wave-filtering, export about 12V DC voltage supplying temperature testing circuit 20, between capacitor C 11 and C9, be parallel with accumulator E, the voltage of accumulator E is 12V, can be used as standby power supply.
As shown in Figure 6, temperature sensing circuit 20 comprises: triode VT1, the collector of triode VT1 is connected to the positive input of operational amplifier IC2A via capacitor C 2 and resistance R 4, the emitter of triode VT1 is connected to the reverse input end of operational amplifier IC2A via capacitor C 3 and resistance R 7, the output terminal of operational amplifier IC2A is connected to the reverse input end of operational amplifier IC2B via capacitor C 5, the positive input of operational amplifier IC2B is connected with resistance R 11 and diode VD1, the output terminal of operational amplifier IC2B is connected with the negative sense of diode VD2, the forward of diode VD2 is connected with the reverse input end of operational amplifier IC3A, the positive input of operational amplifier IC3A is connected with divider resistance R15 and R16, the output terminal of operational amplifier IC3A is connected with the base stage of triode VT2 through resistance R 18, be connected with the collector of triode VT3 with diode VD3 through resistance R 19, be connected with voltage stabilizer IC3 through resistance R 17, the base stage of the collector of triode VT2 and triode VT3 is connected with the two-terminal of hummer BL respectively.Voltage stabilizer IC3 adopts the fixed voltage three terminal integrated voltage stabilizer that model is 78L05, and operational amplifier IC2A, IC2B and IC3A adopt the dual operational amplifier that model is LM358.Carry the actual current signal that temperature information detected and be converted to corresponding voltage signal through sampling resistor, after operational amplifier IC2A filtering, giving another LM358 type operational amplifier IC2B comparison that subtracts, the positive input of IC2B is connected with adjustable reference voltage.The above-mentioned circuit that operational amplifier IC2A, IC2B and IC3A are set has been realized the comparison of wide region temperature, comparative result is exported to the warning circuit that comprises hummer BL, single-chip microcomputer 18 is connected with electronic temperature transmitter (not shown), obtain the temperature signal of standard through one-line communication from electronic temperature transmitter, deliver to and comprise that the display circuit of display system 5 shows.
Transformer temperature controller 1 of the present utility model is connected with processor 4 with video acquisition device 7 by communication interface, form a set of intelligent temperature control system, unify to control, and transformer temperature controller 1 is connected with camera 6 self, can realize independent control, can communicate by letter with processor 4 again, processor 4 is for realizing stable data communication with pci bus board, to collecting to such an extent that the real-time status of a plurality of transformer temperature controllers 1 is carried out logic analysis, and by the best control result send to a plurality of transformer temperature controllers 1 by signal controlling, realize robotization control.The project that in the utility model, transformer temperature controller 1 is verified has that the detection of temperature value is taken pictures, the switching value of the output of the electric current of circuit module and switch connected sum closure, compare by the standard value and the actual test value that detect, result is by display reveal codes, it is qualified and defective to distinguish, the detection data of really accomplishing each are true, understand.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a transformer temperature controller detection system, it is characterized in that, comprise: transformer temperature controller and the camera being connected with described transformer temperature controller, the current signal of described transformer temperature controller output is connected with the input end of processor through pci bus clamp with switching value signal, the vision signal of described camera output is connected with the input end of described processor through video acquisition device, and the output terminal of described processor is connected with display system.
2. transformer temperature controller detection system according to claim 1, it is characterized in that, described pci bus clamp is connected with described processor by signal pickup assembly, and described pci bus clamp is AC6610 terminal block, and described signal pickup assembly is AC6610 capture card.
3. transformer temperature controller detection system according to claim 2, is characterized in that, described transformer temperature controller is connected with described video acquisition device by video signal cable, and described video acquisition device is H604A video frequency collection card.
4. according to the arbitrary described transformer temperature controller detection system of claim 1-3, it is characterized in that, also comprise the photo saved system being connected with described display system, described display system comprises real-time display device, image display and measurement point display.
5. transformer temperature controller detection system according to claim 4, is characterized in that, described processor comprises single-chip microcomputer and the power circuit, clock circuit and the temperature sensing circuit that are connected with described single-chip microcomputer respectively.
6. transformer temperature controller detection system according to claim 5, is characterized in that, described single-chip microcomputer adopts the single-chip microcomputer of STC98C52 model.
7. transformer temperature controller detection system according to claim 6, it is characterized in that, described power circuit comprises AC power, transformer and current rectifying and wave filtering circuit, described AC power is after described transformer pressure-reducing, again through described current rectifying and wave filtering circuit output, described current rectifying and wave filtering circuit comprises the rectifier bridge and filter capacitor C10 and the C11 in parallel that are made up of diode, and the two ends of described capacitor C 11 are connected with capacitor C 9, between described capacitor C 11 and capacitor C 9, are connected with accumulator.
8. transformer temperature controller detection system according to claim 5, it is characterized in that, described temperature sensing circuit comprises by operational amplifier IC2A, operational amplifier IC2B, operational amplifier IC3A and voltage stabilizer, the output terminal of described operational amplifier IC2A is connected with the reverse input end of described operational amplifier IC2B, the output terminal of described operational amplifier IC2B is connected with the reverse input end of described operational amplifier IC3A, and the output terminal of described operational amplifier IC3A is connected with described voltage stabilizer.
9. transformer temperature controller detection system according to claim 8, is characterized in that, described operational amplifier IC2A, operational amplifier IC2B and operational amplifier IC3A are the dual operational amplifier of LM358 model.
10. transformer temperature controller detection system according to claim 8, is characterized in that, described voltage stabilizer is the fixed voltage three terminal integrated voltage stabilizer of 78L05 model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260132.3U CN203882179U (en) | 2014-05-20 | 2014-05-20 | Transformer temperature controller detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260132.3U CN203882179U (en) | 2014-05-20 | 2014-05-20 | Transformer temperature controller detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203882179U true CN203882179U (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420260132.3U Withdrawn - After Issue CN203882179U (en) | 2014-05-20 | 2014-05-20 | Transformer temperature controller detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203882179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103995512A (en) * | 2014-05-20 | 2014-08-20 | 沈阳鸿基电气有限公司 | Transformer temperature controller detecting system |
-
2014
- 2014-05-20 CN CN201420260132.3U patent/CN203882179U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103995512A (en) * | 2014-05-20 | 2014-08-20 | 沈阳鸿基电气有限公司 | Transformer temperature controller detecting system |
| CN103995512B (en) * | 2014-05-20 | 2016-09-28 | 沈阳鸿基电气有限公司 | A kind of transformer temperature controller detecting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141015 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |