CN2049744U - Induction heating and refrigerating apparatus - Google Patents
Induction heating and refrigerating apparatus Download PDFInfo
- Publication number
- CN2049744U CN2049744U CN 89203281 CN89203281U CN2049744U CN 2049744 U CN2049744 U CN 2049744U CN 89203281 CN89203281 CN 89203281 CN 89203281 U CN89203281 U CN 89203281U CN 2049744 U CN2049744 U CN 2049744U
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- China
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- coil
- frequency
- output
- bridge rectifier
- induction coil
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model relates to an induction heating and refrigerating apparatus used for an absorption type refrigerator, comprising an ammonia generator, a high-frequency induction coil and a high-frequency current generator. The utility model is characterized in that the high-frequency current generator changes the power frequency current into the high-frequency current which is converted into the high-frequency electromagnetic field through the induction coil and a capacitor; the ammonia water in an induction heating steel tube is depressurized and condensed after vaporized to absorb a large amount of heat to obtain the purpose of refrigerating. The utility model has the advantages of no noise, simple structure, long service life, no shock, safety, power saving, etc., which solves the defects of electrical leakage, unsafety, short service life, etc. of the electrical bar heater.
Description
The utility model belongs to a kind of electrical induction field, specifically a kind of device that relates to electrical induction ammoniacal liquor and freeze.
Absorption refrigerator is to utilize heating means, makes cold-producing medium produce vigor, and circulates in refrigeration system and reach the refrigeration purpose.Existing absorption refrigerator adopts the electrical bar heater usually, and the seamless steel pipe that ammoniacal liquor is housed is conducted heating.Because there is following deficiency in the heating of electrical bar heater: 1. the conduct radiation face is big, and utilization rate of electrical is low, and refrigerating speed is slow; 2. to be directed at electric leakage dangerous owing to heat-insulating material heat-insulating property when the high temperature reduces in heating process for the electrical bar heater; 3. it is shorter that power on/off frequently causes service life.Because above-mentioned deficiency, absorption refrigerator fails to be used widely so far.
The utility model purpose is to overcome the prior art deficiency, and a kind of eddy-current heating refrigerating plant that replaces the electrical bar heating with the induction coil heating is provided.
The technical solution of the utility model is achieved in that
The utility model comprises ammonia generator, it is characterized in that:
1. ammonia generator places the radio-frequency induction coil ring framework, framework material is epoxy glass fiber pipe or ebonite tube, length is 60mm, in the middle of the skeleton is through hole, wall thickness 3-5mm, through-hole diameter is a bit larger tham the external diameter of ammonia generator, between skeleton through-hole wall and ammonia generator outer wall glass fibre is arranged.
2. radio-frequency induction coil is to divide 3 sections coilings to form on coil rack with 4 strands of φ 0.45mm high strength enamelled wires, middle one section coiling, 70 circles, two ends have dull and stereotyped ring type dividing plate respectively around 60 circles between coil segment and section, end face has dull and stereotyped ring type baffle plate, dividing plate and baffle plate are glued on the coil rack, 4 ferrite bars of equidistant arrangement around the coil, it is long to be 60mm, wide 10mm, thick 4mm, the oxygen bar magnet is glued on baffle plate and the dividing plate.Coil input end is connected in the output of high-frequency current generator.
3. high-frequency current generator is made up of high pressure bridge rectifier, low pressure bridge rectifier, oscillator, amplifier, inhibition interfered circuit.High pressure bridge rectifier input signal is filtered power frequency component, low pressure bridge rectifier input voltage is 7.5V-9V, frequency is 50Hz, its output signal input oscillator, the high frequency ac signal that oscillator produces is as the amplifying signal for the treatment of of amplifier, and control amplifier output, the output of amplifier is connected in induction coil one end, and the coil other end is connected in the high-voltage rectifier output by fuse.
The utility model advantage is:
1. the utility model employing induction coil is enclosed within and carries out eddy-current heating on the absorption refrigerator ammonia generator.This mode of heating efficiency of heating surface reaches more than 80%, under similarity condition, compares whenever 0.3～0.5 degree of using electricity wisely round the clock with adopting the electrical bar mode of heating.
2. owing to the rectangular pulse of the utility model circuit part formation, its occupation efficiency can be regulated in any range, so the refrigerating speed of this device can be regulated within the specific limits.
3. designed coil adopts the segmentation coiling in the utility model, reduced the voltage difference between coil layer and the layer, and between coil and the ammonia generator heat-insulating material has been arranged, so this device is sturdy and durable, reaching 20,000 hours service life, is six times that life is used in the electrical bar heating.
4. because the utility model process of refrigerastion only is the ammoniacal liquor vaporization of being heated, the be condensed process of liquefaction of vapour ammonia, so this apparatus structure simply, make things convenient for manufacturing, noiseless, shockproof.
Accompanying drawing 1 is the utility model circuit block diagram
Accompanying drawing 2 is the utility model circuit theory diagrams
Accompanying drawing 3 is the utility model loop construction schematic diagram
Accompanying drawing 4 is the utility model process of refrigerastion schematic diagram
Number in the figure: 1. dull and stereotyped ring type baffle plate, 2. epoxy glass fiber pipe, 3. glass fibre, 4. ammoniacal liquor, 5. ammonia generator, 6. enamel-covered wire, 7. dull and stereotyped ring type dividing plate, 8. ferrite bar, 9. distiller, 10. condenser, 11. evaporimeters.
In conjunction with the accompanying drawings the utility model is further described by the following examples.
Embodiment:
With reference to accompanying drawing, the utility model comprises ammonia generator, radio-frequency induction coil, high-frequency current generator.Described radio-frequency induction coil is to be 60mm with length, internal diameter is that epoxy glass fiber pipe or the ebonite tube 2 of φ 45mm is skeleton, high frequency wave envelope curve three sections coilings in 6 fens with 4 gangs of φ 0.45mm, stage casing coiling 70 circles, two ends are respectively around 60 circles, be equipped with dull and stereotyped ring type dividing plate 7 between coil segment and the section, two ends are equipped with dull and stereotyped ring type baffle plate 1, and dividing plate and baffle plate all are glued on the skeleton 2.Equidistantly around the coil be equipped with 4 flat ferrite bars 8, it is long to be 60mm, and wide is 10mm, and thick is 4mm, and the oxygen bar magnet is glued on dividing plate and the baffle plate.In the middle of the coil rack is through hole, and through-hole diameter is a bit larger tham the diameter of ammoniacal liquor holder outer wall, and ammonia generator 5 places induction coil skeleton 2, and it is the glass fibre 3 of 4-6mm that thickness is arranged between skeleton 2 through-hole walls and ammonia generator 5 outer walls.
High-frequency current generator of the present utility model is made up of high pressure bridge rectifier, low pressure bridge rectifier, oscillator, amplifier, inhibition interfered circuit.The high pressure bridge rectifier is made of diode D1, D2, D3, D4, and its input is the voltage through inductance L 1, L2, capacitor C 1, the filtered 220V of C2, C3,50Hz; The low pressure bridge rectifier is made of diode D5, D6, D7, D8, input voltage is 7.5V-9V, frequency is 50Hz, its output and oscillator A(model are NE555) input join, the rectangular pulse that oscillator A produces, by oscillator A three-prong output (frequency is 30KHz), the output percent make is regulated by potentiometer R1, the work period of output pulse and off period, the passage that discharges and recharges of capacitor C4 was diode D9 and the resistance R 2 that is connected in parallel in the timing circuit by capacitor C4 control.The rectangular pulse of oscillator A three-prong output is by capacitor C 5, inductance L 3 is BU508A-D with triode BG1(model) base stage join, its colelctor electrode and induction coil one end join, the induction coil other end joins by the output of fuse and high pressure bridge rectifier, induction coil two ends two capacitor C 6 in parallel, C7 act on resonant operational frequency.
The ammonia generator 5 that the utility model adopts is welded for seamless stainless-steel pipe.The high frequency magnetic field that induction coil produces forms eddy current in the stainless-steel pipe wall, produce heat, and ammoniacal liquor 4 in the heating tube, make the ammonia vaporization, lifting enters distiller 9, is separated into pure ammonia, liquefies by condenser 10 heat releases, liquefied ammonia is at potential difference effect inflow evaporator 11, meet with hydrogen, make the liquid ammonia step-down, absorb the heat in the refrigerator, temperature reduces, and reaches the refrigeration purpose.
Claims (2)
1, a kind of eddy-current heating refrigerating plant that is used for absorption refrigerator comprises ammonia generator, it is characterized in that:
(1) described ammonia generator places the radio-frequency induction coil ring framework, described coil rack is epoxy glass fiber pipe or ebonite tube, in the middle of the skeleton is through hole, wall thickness 3-5mm, through-hole diameter is a bit larger tham the external diameter of ammonia generator, between skeleton through-hole wall and ammonia generator outer wall heat-insulating material is arranged;
(2) described radio-frequency induction coil series high strength enamel-covered wire segmentation coiling on coil rack, between coil segment and the section dull and stereotyped ring type dividing plate is arranged, end face has dull and stereotyped ring type baffle plate, dividing plate and baffle plate all are glued on the skeleton, four ferrite bars of equidistant arrangement around the enamel-covered wire, bar magnet is glued on baffle plate and the dividing plate, and coil input end is connected in the output of high-frequency current generator;
(3) described high-frequency current generator is made up of high pressure bridge rectifier, low pressure bridge rectifier, oscillator, amplifier, inhibition interfered circuit.High pressure bridge rectifier input signal is filtered power frequency component; Low pressure bridge rectifier input voltage is 7.5V-9V, frequency is 50Hz, its output and oscillator input join, the output and the amplifier in of oscillator join, the output of amplifier and induction coil one end join, and the induction coil other end joins by fuse and high pressure bridge rectifier output.
2, eddy-current heating refrigerating plant according to claim 1, it is characterized in that described coil is to divide 3 strands with 4 strands of diameter 0.45mm high strength enamelled wires to be wound on length be 60mm, internal diameter is on the coil rack of 45mm, middle one section coiling, 70 circles, and two ends are respectively around 60 circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89203281 CN2049744U (en) | 1989-03-21 | 1989-03-21 | Induction heating and refrigerating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89203281 CN2049744U (en) | 1989-03-21 | 1989-03-21 | Induction heating and refrigerating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2049744U true CN2049744U (en) | 1989-12-20 |
Family
ID=4860861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89203281 Withdrawn CN2049744U (en) | 1989-03-21 | 1989-03-21 | Induction heating and refrigerating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2049744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121767A (en) * | 2011-01-11 | 2011-07-13 | 上海理工大学 | Bubble absorption enhancing device in refrigeration system and variable magnetic field applying method |
| CN105592585A (en) * | 2015-04-10 | 2016-05-18 | 青岛海信日立空调系统有限公司 | Heating device and control method thereof |
-
1989
- 1989-03-21 CN CN 89203281 patent/CN2049744U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121767A (en) * | 2011-01-11 | 2011-07-13 | 上海理工大学 | Bubble absorption enhancing device in refrigeration system and variable magnetic field applying method |
| CN102121767B (en) * | 2011-01-11 | 2012-08-22 | 上海理工大学 | Bubble absorption enhancing device in refrigeration system and variable magnetic field applying method |
| CN105592585A (en) * | 2015-04-10 | 2016-05-18 | 青岛海信日立空调系统有限公司 | Heating device and control method thereof |
| CN105592585B (en) * | 2015-04-10 | 2019-05-28 | 青岛海信日立空调系统有限公司 | A kind of heating device and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |