CN202652580U - Non-contact type non-magnetic pipeline anti-freezing system - Google Patents
Non-contact type non-magnetic pipeline anti-freezing system Download PDFInfo
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- CN202652580U CN202652580U CN 201220166155 CN201220166155U CN202652580U CN 202652580 U CN202652580 U CN 202652580U CN 201220166155 CN201220166155 CN 201220166155 CN 201220166155 U CN201220166155 U CN 201220166155U CN 202652580 U CN202652580 U CN 202652580U
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Abstract
The utility model discloses a non-contact type non-magnetic pipeline anti-freezing system, which belongs to the important devices for protecting the pipelines in an outdoor pipeline network from being damaged by extremely low temperature and ensuring the safe operation of the pipeline network, and has huge market prospect. According to the non-contact type non-magnetic pipeline anti-freezing system, a high-power power supply provides electric power for a resonance circuit, the resonance circuit generates an alternating magnetic field and transmits electromagnetic energy to different induction eddy current coils distributed along the pipeline through a resonance coil array so as to heat the pipeline, thus the flowing medium in the pipeline cannot be frozen. The non-contact type non-magnetic pipeline anti-freezing system mainly comprises a DC power supply (1), an on-off control switch (2), an electromagnetic resonance circuit (3), a power thyristor (4), a resonance coil array (5), induction eddy current coils (6), a waterproof thermal insulating layer (7) and a liquid temperature sensing detection circuit (8). The non-contact type non-magnetic pipeline anti-freezing system can provide thermal power for regular operation of various outdoor pipelines, and has the advantages of being low in cost and maintenance charge, simple and convenient to operate, safe and reliable, intelligent and controllable, and so on.
Description
Technical field
The present invention relates to a kind of contactless non-magnetic freezing prevention tubing system, belong to and prevent in the open-air piping network that temperature from crossing low to the pipeline injury, to guarantee the visual plant of network security operation, have low, easy and simple to handle, the safe and reliable and intelligent advantage such as controlled of cost and maintenance cost, and have huge market prospects.Particularly relate to a kind of low cost, maintenance cost, control easy, intelligence and continue the resonance current vortex flexibly this answers heating system, the maximum characteristics of this system are that the transmission of energy takes non-contacting mode to carry out, and do like this greatly reducing manufacturing cost.
Background technology
For the urban pipe network under the open-air atmosphere, northern area especially, at the autumn and winter season drop in temperature, the pipeline internal medium flow velocity is zero sometimes, therefore in order to guarantee the in the winter time normally operation of each pipe network, requires various pipelines not freeze in order to using at any time.Present means to prevent freezing commonly used has from the beginning, and the adiabatic freeze proofing of water temperature, heating system supply, backwater is adiabatic accompanies warm freeze proofing, filling anti-icing fluid freeze proofing, adiabatic electrothermal device companion to warm up freeze proofing and mix means to prevent freezing, it is large that these methods all exist investment, the shortcomings such as later maintenance expense height and operation inconvenience.Therefore find and a kind ofly invest little, instant effect, scheme that maintenance cost is few is one of the important topic in this field.
The present invention is large mainly for open-air pipe network winterized equipment investment, the shortcomings such as later maintenance expense height and operation inconvenience, provided a kind of advanced approach of taking non-contacting mode to carry out the energy transmission, can heat along line distribution, have sustainable work, flexible operation, the light characteristics of structure.
Summary of the invention
Technical problem to be solved by this invention is, prevent in the open-air piping network that temperature from crossing low problem to the pipeline injury, utilize the high-efficiency high-power resonant circuit that electromagnetic energy is transmitted by the resonance coil array, utilization is heated along the inductive loop circle of line distribution, guaranteeing that flow media is not frozen in the pipe, thereby provide a kind of effective solution for the normal operation of outdoor pipe network.
The technical solution adopted in the present invention is: contactless non-magnetic freezing prevention tubing system, including DC power supply (1) directly powers to electromagnetic resonant circuit (3), electromagnetic resonant circuit (3) is connected with power scr (4), place inductive loop circle (6) in the middle of cooperating simultaneously resonance coil array (5), set up thus oscillation circuit, the energy that produces during vibration keeps by water-proof heat-insulation layer (7), and adopt fluid temperature sensing detection circuit (8) testing environment temperature, when temperature is up to standard, disconnect the current supply circuit of resonance coil array (5) by make-and-break control switch (2).
Described DC power supply (1) is by the high power DC portable power source or can provide the batteries of large electric current to realize, will guarantee that simultaneously power supply has certain waterproof, moisture-proof role.
Described make-and-break control switch is controlled by different gear power relays by power controller (5) and is switched, and realizes different command execution corresponding actions.
Described resonant circuit (3) is examined than sub-oscillating circuit by novel single channel and is built, the inductance coil of two-way symmetry, resistance, the Quick-return diode of N channel enhancement power scr (4) and mutual reversal connection can be realized the sinewave output of any frequency of oscillation.
Described resonance coil array (5) is made of close copper wires around high Q value, and wire external layer must scribble watertight composition and carry out the dependence test of waterproof depth limit.Closely then need to determine according to the concrete working condition of this circuit around the number of turn.And resonance coil array (5) is embedded in the water-proof heat-insulation layer (7), thereby is difficult for destroyed.Can add a resonance coil along pipeline according to actual conditions, form the purpose that the resonance coil array has been implemented in the liquid medium in the different location heating pipeline.
Described inductive loop circle (6) is cylindrical high magnetic conductor, and is close around load coil on it.For the pipeline external wall of non-magnetic, in order to strengthen the effect of vortex induction heating, must install inductive loop circle (6) additional, otherwise heating effect will weaken a lot.
Described fluid temperature sensing detection circuit (8) is made of the temperature sensors of high precision that is adapted at operation in the flow media, A/D change-over circuit and single-chip microcomputer, be responsible for measuring the default medium temperature of current medium temperature and single-chip microcomputer and compare, and send action command to make-and-break control switch (2).
Contactless non-magnetic freezing prevention tubing of the present invention system, produce alternating magnetic field by resonant circuit electromagnetic energy is carried out the noncontact transmission by resonance coil array (5), and utilize inductive loop circle (6) to produce the medium of a large amount of eddy current heats to flow in the heating pipeline, the flowing liquid medium prevents from freezing in the outdoor pipe network thereby make, simultaneously by single-chip microcomputer, transducer and actuator's Real-Time Monitoring operation conditions and give an order.This device freezes the effective scheme that causes pipe network to damage for the normal operation of non-magnetic pipeline in the open-air atmosphere provides a kind of medium that prevents, has low cost of manufacture, easy and simple to handle, the safe and reliable and intelligent advantage such as controlled.
Description of drawings
Fig. 1 is overall structure block diagram of the present invention;
Fig. 2 is the high-power oscillation generating circuit of alternating magnetic field;
Fig. 3 is how much front views of inductive loop circle (6) and resonance coil array (5);
Fig. 4 is the resonance coil end view that distributes along pipeline rout;
Fig. 5 is liquid sensor Based Intelligent Control loop.
Wherein:
1: DC power supply; 2: make-and-break control switch; 3: electromagnetic resonant circuit; 4: power scr; 5: the resonance coil array; 6: the inductive loop circle; 7: water-proof heat-insulation layer; 8: fluid temperature sensing detection circuit.
R1:Q1 clamp resistance R1:Q2 clamp resistance
T1:Q1 inductance T2:Q2 inductance
Q1: power scr 1 Q2: power scr 2
D1: Quick-return diode 1 D2: Quick-return diode 2
C: vibration matching capacitance L: vibration coupling inductance
C1, C2, Cn: resonant capacitance L1, L2, Ln: resonant inductance
Embodiment
Below in conjunction with example and accompanying drawing contactless non-magnetic freezing prevention tubing of the present invention system is made a detailed description.
As shown in Figure 1, contactless non-magnetic freezing prevention tubing of the present invention system includes DC power supply (1); Make-and-break control switch (2); Electromagnetic resonant circuit (3); Power scr (4); Resonance coil array (5); Inductive loop circle (6); Water-proof heat-insulation layer (7); Fluid temperature sensing detection circuit (8).The present invention utilizes the high-efficiency high-power resonant circuit that electromagnetic energy is transmitted by the resonance coil array, utilizes along the inductive loop circle of line distribution and heats, and guaranteeing that flow media is not frozen in the pipe, thereby provides safeguard for the normal operation of outdoor pipe network.
As shown in Figure 2, described resonant circuit (3) is by the inductance coil of two-way symmetry, resistance, and the Quick-return diode of N channel enhancement power scr (4) and mutually reversal connection forms.After make-and-break control switch (2) closure, the circuit while of two-way symmetry is to the base stage feed of power scr (4), because the effect of antiparallel Quick-return diode D1 and D2, the collector electrode place circuit of power scr (4) is realized alternate conduction, makes the Full wave shape of sine wave output on the resonant inductance.
As shown in Figure 3, described resonance coil array (5) be close around copper coil, this coil on the sidewall that is fixed in into columnar inductive loop circle (6) behind the application watertight composition, water-proof heat-insulation layer on the outer cover (7).Inductive loop circle (6) plays the effect of inductive loop and heating, also plays a supporting role.
As shown in Figure 4, described inductive loop circle (6) is after installing resonance coil array (5), and the liquid in pipe medium can not affect the normal operation of pipeline along Flows time the heat effect that recurs like this.The electromagnetic energy of alternation is transmitted by each resonant body in the resonance coil array (5), thereby makes energy spread all over pipeline.
As shown in Figure 5, described fluid temperature sensing detection circuit (8) is made of the temperature sensors of high precision, A/D change-over circuit and the single-chip microcomputer that are fit to the liquid medium operation.At first given single-chip microcomputer begins and end temp, and to begin temperature be zero degree if do not do given acquiescence, and end temp is 15 degree.When temperature is lower than the beginning temperature, single-chip microcomputer sends instruction and makes make-and-break control switch (2) closure, resonant circuit (3) is started working, and the alternating electromagnetic field that sends generates eddy current at eddy heating for heating body inductive loop circle (6) water body is on every side heated; When temperature equaled end temp, single-chip microcomputer sends instruction opened make-and-break control switch (2), and resonant circuit (3) quits work.
Claims (5)
1. contactless non-magnetic freezing prevention tubing system, it is characterized in that including DC power supply (1) directly powers to electromagnetic resonant circuit (3), electromagnetic resonant circuit (3) is connected with power scr (4), place inductive loop circle (6) in the middle of cooperating simultaneously resonance coil array (5), set up thus oscillation circuit, the energy that produces during vibration keeps by water-proof heat-insulation layer (7), and adopt fluid temperature sensing detection circuit (8) testing environment temperature, when temperature is up to standard, disconnect the current supply circuit of resonance coil array (5) by make-and-break control switch (2).
2. contactless non-magnetic freezing prevention tubing according to claim 1 system, be further characterized in that, described resonant circuit (3) is after make-and-break control switch (2) closure, the circuit while of two-way symmetry is to the base stage feed of power scr (4), because the effect of antiparallel Quick-return diode D1 and D2, the collector electrode place circuit of power scr (4) is realized alternate conduction, makes the Full wave shape of sine wave output on the resonant inductance.
3. contactless non-magnetic freezing prevention tubing according to claim 1 system, be further characterized in that, described resonance coil array (5) is made of close copper wires around high Q value, and wire external layer must scribble watertight composition and carry out the dependence test of waterproof depth limit.Closely then need to determine according to the concrete working condition of this circuit around the number of turn.And resonance coil array (5) is embedded in the water-proof heat-insulation layer (7), thereby is difficult for destroyed.Can add a resonance coil along pipeline according to actual conditions, form the purpose that the resonance coil array has been implemented in the liquid medium in the different location heating pipeline.
4. contactless non-magnetic freezing prevention tubing according to claim 1 system is further characterized in that described inductive loop circle (6) is cylindrical high magnetic conductor, and is close around load coil on it.For the pipeline external wall of non-magnetic, in order to strengthen the effect of vortex induction heating, must install inductive loop circle (6) additional, otherwise heating effect will weaken a lot.
5. contactless non-magnetic freezing prevention tubing according to claim 1 system, be further characterized in that, described fluid temperature sensing detection circuit (8) is made of the temperature sensors of high precision that is adapted at operation in the flow media, A/D change-over circuit and single-chip microcomputer, be responsible for measuring the default medium temperature of current medium temperature and single-chip microcomputer and compare, and send action command to make-and-break control switch (2); When water temperature is lower than the beginning temperature, single-chip microcomputer sends instruction and makes intelligently connecting or disconnecting switch (2) closure, electromagnetic resonant circuit (3) is started working, and the alternating electromagnetic field that sends generates eddy current at inductive loop circle (6) water body is on every side heated; When water temperature equaled end temp, single-chip microcomputer sends instruction opened intelligently connecting or disconnecting switch (2), and electromagnetic resonant circuit (3) quits work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220166155 CN202652580U (en) | 2012-04-18 | 2012-04-18 | Non-contact type non-magnetic pipeline anti-freezing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220166155 CN202652580U (en) | 2012-04-18 | 2012-04-18 | Non-contact type non-magnetic pipeline anti-freezing system |
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| CN202652580U true CN202652580U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220166155 Expired - Fee Related CN202652580U (en) | 2012-04-18 | 2012-04-18 | Non-contact type non-magnetic pipeline anti-freezing system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635755A (en) * | 2012-04-18 | 2012-08-15 | 天津工业大学 | Non-contact-type non-magnetic pipeline antifreezing system |
| CN105958669A (en) * | 2016-07-05 | 2016-09-21 | 中惠创智无线供电技术有限公司 | Pipe-type wireless power supply transmitter and wireless power supply system |
| CN113484766A (en) * | 2021-08-17 | 2021-10-08 | 珠海冠宇动力电源有限公司 | Fuse active fusing circuit, device and battery assembly |
-
2012
- 2012-04-18 CN CN 201220166155 patent/CN202652580U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635755A (en) * | 2012-04-18 | 2012-08-15 | 天津工业大学 | Non-contact-type non-magnetic pipeline antifreezing system |
| CN105958669A (en) * | 2016-07-05 | 2016-09-21 | 中惠创智无线供电技术有限公司 | Pipe-type wireless power supply transmitter and wireless power supply system |
| CN105958669B (en) * | 2016-07-05 | 2019-06-21 | 中惠创智无线供电技术有限公司 | A kind of pipeline type wireless power emitter and wireless power supply system |
| CN113484766A (en) * | 2021-08-17 | 2021-10-08 | 珠海冠宇动力电源有限公司 | Fuse active fusing circuit, device and battery assembly |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20130418 |