CN104630448A - Heat treatment furnace monitoring system based on power line carrier communication - Google Patents
Heat treatment furnace monitoring system based on power line carrier communication Download PDFInfo
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- CN104630448A CN104630448A CN201310572887.7A CN201310572887A CN104630448A CN 104630448 A CN104630448 A CN 104630448A CN 201310572887 A CN201310572887 A CN 201310572887A CN 104630448 A CN104630448 A CN 104630448A
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- heat treatment
- treatment furnace
- power
- power line
- line carrier
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Abstract
The invention discloses a heat treatment furnace monitoring system based on power line carrier communication. The heat treatment furnace monitoring system comprises a monitoring center upper computer, a power line carrier transceiver 1, a power line carrier transceiver 2 and a data collection and processing unit which is arranged in the working field of a heat treatment furnace, wherein the data collection and processing unit comprises a signal processor, a memory, a signal conditioning circuit, a temperature transmitter, a voltage sensor, a current sensor and an active power transmitter for converting a voltage signal and a current signal measured by the voltage sensor and the current sensor respectively into power signals. The heat treatment furnace monitoring system based on the power line carrier communication, disclosed by the invention, has the advantages of simple structure and low investment cost and is convenient to mount; by using the existing power network to build a power line carrier communication line, no extra cost of cables, is caused, field wiring is not needed, limitation by telecommunication operators is avoided; therefore, the cost, field construction and system reliability are greatly guaranteed.
Description
Technical field
The present invention relates to a kind of supervisory system, especially relate to a kind of heat treatment furnace supervisory system based on power line carrier, PLC.
Background technology
Thermal treatment is the key link ensureing engineering goods internal soundness, and electric-heating heat treatment stove is industrial furnace metal works being carried out to metal heat treatmet, and it is due to homogeneous heating, and each position of heated parts is heated well-balanced and is used widely.
Existing heat treatment furnace supervisory system mainly contains following two kinds of solutions: the first is that adopt Radio Transmission Technology to realize data transmission, its cost is higher; The second is, is transmitted by dedicated data line, and it needs rewiring, time-consuming, effort, inconvenient maintenance; And the control signal to send due to Surveillance center's upper computer is weak electric signal, is easily subject to the interference of surrounding environment in transmitting procedure, and after the transmission carrying out growing distance, due to the loss of circuit, signal is easily distortion also.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art, there is provided a kind of heat treatment furnace supervisory system based on power line carrier, PLC, it does not need to lay signal-transmitting cable separately, and data transmission immunity from interference is strong, long transmission distance, input cost is low.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of heat treatment furnace supervisory system based on power line carrier, PLC, is characterized in that: comprise Surveillance center's upper computer, power carrier transceiver one, power carrier transceiver two and be arranged on the data acquisition and procession unit of heat treatment furnace job site; Described data acquisition and procession unit comprise signal processor, storer, signal conditioning circuit, for measure described heat treatment furnace temperature temperature transmitter, for measuring the voltage sensor of described heat treatment furnace operating voltage, being converted to the wattful power transmitter of power signal for measuring the current sensor of described heat treatment furnace working current and voltage signal voltage sensor and current sensor recorded respectively and current signal; Described power carrier transceiver one, power carrier transceiver two are connected by power line, all matching circuit is connected with between described Surveillance center upper computer and power carrier transceiver one, between signal processor and power carrier transceiver two, described voltage sensor and current sensor all connect with wattful power transmitter, described temperature transmitter, voltage sensor, current sensor and wattful power transmitter all connect with signal conditioning circuit, and described storer and signal conditioning circuit all connect with signal processor.
Above-mentioned a kind of heat treatment furnace supervisory system based on power line carrier, PLC, is characterized in that: described power carrier transceiver one and power carrier transceiver two all adopt BWP10A flush bonding module.
Above-mentioned a kind of heat treatment furnace supervisory system based on power line carrier, PLC, is characterized in that: described signal processor is MSP430 micro-chip.
Above-mentioned a kind of heat treatment furnace supervisory system based on power line carrier, PLC, is characterized in that: described storer is FLASH memory.
Above-mentioned a kind of heat treatment furnace supervisory system based on power line carrier, PLC, is characterized in that: the LCD touch screen that described Surveillance center upper computer comprises main frame and connects with described main frame.
Above-mentioned a kind of heat treatment furnace supervisory system based on power line carrier, PLC, is characterized in that: described temperature transmitter is JWB-HP-A type temperature transmitter.
Above-mentioned a kind of heat treatment furnace supervisory system based on power line carrier, PLC, is characterized in that: described matching circuit is inductive coupling circuit.
The present invention compared with prior art has the following advantages: structure is simple, easy for installation, input cost is low; Utilize existing electric power networks to build Power Line Carrier Communication, not only do not need to increase extra cost, also not needing field wiring, more without the need to being limited by telecom operators.Greatly ensured from cost, site operation and system reliability everyway.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present invention.
Description of reference numerals:
1-Surveillance center upper computer; 2-power carrier transceiver one;
3-power carrier transceiver two; 4-signal processor; 5-storer;
6-signal conditioning circuit; 7-temperature transmitter; 8-voltage sensor;
9-current sensor; 10-wattful power transmitter; 11-matching circuit.
Embodiment
As shown in Figure 1, the present invention includes Surveillance center's upper computer 1, power carrier transceiver 1, power carrier transceiver 23 and be arranged on the data acquisition and procession unit of heat treatment furnace job site; Described data acquisition and procession unit comprise signal processor 4, storer 5, signal conditioning circuit 6, for measure described heat treatment furnace temperature temperature transmitter 7, for measuring the voltage sensor 8 of described heat treatment furnace operating voltage, being converted to the wattful power transmitter 10 of power signal for measuring the current sensor 9 of described heat treatment furnace working current and voltage signal voltage sensor 8 and current sensor 9 recorded respectively and current signal; Described power carrier transceiver 1, power carrier transceiver 23 are connected by power line, between described Surveillance center upper computer 1 and power carrier transceiver 1, between signal processor 4 and power carrier transceiver 23, be all connected with matching circuit 11, described voltage sensor 8 and current sensor 9 all connect with wattful power transmitter 10, described temperature transmitter 7, voltage sensor 8, current sensor 9 and wattful power transmitter 10 all connect with signal conditioning circuit 6, and described storer 5 and signal conditioning circuit 6 all connect with signal processor 4.
In the present embodiment, described power carrier transceiver 1 and power carrier transceiver 23 all adopt BWP10A flush bonding module.
In the present embodiment, described signal processor 4 is MSP430 micro-chip.
In the present embodiment, described storer 5 is FLASH memory.
In the present embodiment, the LCD touch screen that described Surveillance center upper computer 1 comprises main frame and connects with described main frame.
In the present embodiment, described temperature transmitter 7 is JWB-HP-A type temperature transmitter.
In the present embodiment, described matching circuit 11 is inductive coupling circuit.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (7)
1. based on a heat treatment furnace supervisory system for power line carrier, PLC, it is characterized in that: comprise Surveillance center's upper computer (1), power carrier transceiver one (2), power carrier transceiver two (3) and be arranged on the data acquisition and procession unit of heat treatment furnace job site, described data acquisition and procession unit comprises signal processor (4), storer (5), signal conditioning circuit (6), for measuring the temperature transmitter (7) of described heat treatment furnace temperature, for measuring the voltage sensor (8) of described heat treatment furnace operating voltage, the wattful power transmitter (10) of power signal is converted to for measuring the current sensor (9) of described heat treatment furnace working current and voltage signal voltage sensor (8) and current sensor (9) recorded respectively and current signal, described power carrier transceiver one (2), power carrier transceiver two (3) is connected by power line, between described Surveillance center upper computer (1) and power carrier transceiver one (2), matching circuit (11) is all connected with between signal processor (4) and power carrier transceiver two (3), described voltage sensor (8) and current sensor (9) all connect with wattful power transmitter (10), described temperature transmitter (7), voltage sensor (8), current sensor (9) and wattful power transmitter (10) all connect with signal conditioning circuit (6), described storer (5) and signal conditioning circuit (6) all connect with signal processor (4).
2. according to a kind of heat treatment furnace supervisory system based on power line carrier, PLC according to claim 1, it is characterized in that: described power carrier transceiver one (2) and power carrier transceiver two (3) all adopt BWP10A flush bonding module.
3. according to a kind of heat treatment furnace supervisory system based on power line carrier, PLC described in claim 1 or 2, it is characterized in that: described signal processor (4) is MSP430 micro-chip.
4., according to a kind of heat treatment furnace supervisory system based on power line carrier, PLC described in claim 1 or 2, it is characterized in that: described storer (5) is FLASH memory.
5., according to a kind of heat treatment furnace supervisory system based on power line carrier, PLC described in claim 1 or 2, it is characterized in that: the LCD touch screen that described Surveillance center upper computer (1) comprises main frame and connects with described main frame.
6. according to a kind of heat treatment furnace supervisory system based on power line carrier, PLC described in claim 1 or 2, it is characterized in that: described temperature transmitter (7) is JWB-HP-A type temperature transmitter.
7., according to a kind of heat treatment furnace supervisory system based on power line carrier, PLC described in claim 1 or 2, it is characterized in that: described matching circuit (11) is inductive coupling circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572887.7A CN104630448A (en) | 2013-11-14 | 2013-11-14 | Heat treatment furnace monitoring system based on power line carrier communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572887.7A CN104630448A (en) | 2013-11-14 | 2013-11-14 | Heat treatment furnace monitoring system based on power line carrier communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104630448A true CN104630448A (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310572887.7A Pending CN104630448A (en) | 2013-11-14 | 2013-11-14 | Heat treatment furnace monitoring system based on power line carrier communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104630448A (en) |
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2013
- 2013-11-14 CN CN201310572887.7A patent/CN104630448A/en active Pending
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Application publication date: 20150520 |