CN206380115U - Cabinet occurs for a kind of high frequency - Google Patents
Cabinet occurs for a kind of high frequency Download PDFInfo
- Publication number
- CN206380115U CN206380115U CN201621446887.8U CN201621446887U CN206380115U CN 206380115 U CN206380115 U CN 206380115U CN 201621446887 U CN201621446887 U CN 201621446887U CN 206380115 U CN206380115 U CN 206380115U
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- Prior art keywords
- grid
- cavity
- high frequency
- cabinet
- occurs
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Abstract
For a kind of high frequency cabinet occurs for the utility model, including metal shell, four cavitys are divided into by metal partion (metp), the first cavity places high-frequency generator, and high-frequency generator includes electron tube, anode vacuum capacitance, plate turn, grid vacuum capacitance, grid-feedback coil and grid retardation coil；The cooling device cooled down to electron tube is placed with second cavity；3rd cavity be divided into above and below two parts, top is placed with rectifier, and the transformer that promising high-frequency generator provides power supply is placed in bottom；The ammeter for measuring high-frequency generator output current is placed in 4th cavity, wherein, the plate turn is formed by many conductor series connections.The high frequency occurs cabinet by high-frequency element, high tension apparatus and detects that device is separated, effectively overcomes unwanted oscillation and effectively controls electromagnetic interference each other, output power stability and accuracy are high, and the measurement of ammeter is accurate.
Description
Technical field
The utility model is related to high-frequency apparatus technical field, more specifically, is related to a kind of high frequency heated for medium
Generation cabinet.
Background technology
Existing medium heating, for example, timber, tobacco, grain etc., generally occur the high frequency electric that cabinet is produced using high frequency
It is applied on the positive plate and negative plate of placing the medium, medium is thermally dried using electromagnetic field of high frequency.
Existing high frequency occurs cabinet and is placed with transformer, rectifier bridge, electron tube, inductance, electric capacity, the electricity for producing high frequency electric
The elements such as flow table, said elements do not have sorting placement, easily produce unwanted oscillation, and the stability of power is not high, easily occur
Power excursion, the measurement to ammeter produces electromagnetic interference.
Utility model content
The utility model is made to solve above-mentioned technical problem present in prior art, and its object is to provide
Cabinet occurs for a kind of high high frequency of power stability.
To achieve these goals, the utility model provides a kind of high frequency and occurred outside cabinet, including metal shell, the metal
It is divided into shell by metal partion (metp) in four cavitys, the first cavity and is placed with high-frequency generator, the high-frequency generator includes electricity
Sub- pipe, anode vacuum capacitance, plate turn, grid vacuum capacitance, grid-feedback coil and grid retardation coil, the anode are true
Empty electric capacity and plate turn are connected in parallel on the anode of the electron tube, and described grid-feedback coil one end connects the grid of the electron tube
Pole, the other end connects the grid vacuum capacitance and grid retardation coil, and the grid vacuum capacitance and grid retardation coil are simultaneously
Connection；The cooling device cooled down to electron tube is placed with second cavity；3rd cavity be divided into above and below two parts, top place
There is rectifier, the high-tension transformer that promising high-frequency generator provides power supply is placed in bottom；It is placed with 4th cavity for measuring
The ammeter of high-frequency generator output current, wherein, the plate turn is formed by many conductor series connections.
Cabinet occurs for described high frequency, wherein, second cavity is located at below first cavity, the 3rd cavity position
In a side of the first cavity and the second cavity, the 4th cavity is located at another side of the first cavity and the second cavity
Side.
Cabinet occurs for described high frequency, wherein, the conductor of the plate turn is copper pipe, and the copper pipe diameter is not less than
120mm。
Cabinet occurs for described high frequency, wherein, the power that cabinet occurs for the high frequency is 120KW, and the plate turn is straight by 4
Footpath is in series for the 120mm in line juxtaposition of copper pipe.
Cabinet occurs for described high frequency, wherein, cabinet, which occurs, for the high frequency also includes anode filter unit and grid filter unit,
Wherein, the anode filter unit includes filter capacitor and choking-winding, and described filter capacitor one end is connected to rectifier, another
End ground connection；Described choking-winding one end is connected to rectifier, and the other end is connected to the anode of electron tube；The grid filter unit
Including the second Leaded Ceramic Disc Capacitor and grid filter capacitor, described second Leaded Ceramic Disc Capacitor one end connects the grid of electron tube, and one end is grounded,
Described grid filter capacitor one end is connected to the output end of grid retardation coil, other end ground connection.
Cabinet occurs for described high frequency, wherein, the grid-feedback coil is in series by multiple metallic plates.
Cabinet occurs for described high frequency, wherein, cabinet, which occurs, for the high frequency also includes：The tank capacitance of multiple concatenations, is connected in parallel on
The anode vacuum capacitance two ends；First Leaded Ceramic Disc Capacitor, is connected in parallel on the grid vacuum capacitance two ends.
Cabinet occurs for described high frequency, wherein, the 4th chamber in-body devices be divided into above and below two parts place, top, which is placed, to be surveyed
The sensor and auxiliary reclay of medium heating parameters are measured, the direct current rheology of measurement anode current and grid current is placed in bottom
Send device, air switch, high voltage connector, motor switch, protect the electrothermal relay of motor, wherein, top be also placed with it is described
Sensor and the control unit of DC current transmitter connection.
Cabinet occurs for described high frequency, wherein, in addition to show on input equipment, the metal shell for being arranged on the 4th cavity.
Cabinet occurs for described high frequency, wherein, the metal of one of side totally-enclosed by metallic plate in first cavity
Shell is portable plate
High frequency described in the utility model occurs cabinet by high-frequency element, high tension apparatus and detects that device is separated, effective gram
Unwanted oscillation is taken and has effectively controlled electromagnetic interference each other, output power stability and accuracy are high, ammeter
Measurement is accurate.
Brief description of the drawings
By reference to the content of the explanation below in conjunction with accompanying drawing, other purposes and result of the present utility model will be more apparent
And should be readily appreciated that.In the accompanying drawings：
Fig. 1 is the schematic perspective view that cabinet occurs for the utility model high frequency；
Fig. 2 is that the schematic diagram set inside cabinet occurs for the utility model the utility model high frequency；
Fig. 3 is the circuit theory diagrams that cabinet occurs for the utility model high frequency；
Fig. 4 is the schematic diagram of the utility model plate turn；
Fig. 5 is the schematic diagram of the utility model grid coil.
Identical label indicates similar or corresponding feature or function in all of the figs.
Embodiment
In the following description, for purposes of illustration, in order to provide the comprehensive understanding to one or more embodiments, explain
Many details are stated.It may be evident, however, that these embodiments can also be realized in the case of these no details.
In other examples, for the ease of describing one or more embodiments, known structure and equipment are shown in block form an.
Come below with reference to accompanying drawings to being described in detail according to each embodiment of the present utility model.
Fig. 1 is the schematic perspective view that cabinet occurs for the utility model high frequency, and Fig. 2 is that the utility model the utility model height takes place frequently
The schematic diagram set inside raw cabinet, as depicted in figs. 1 and 2, cabinet 1000, which occurs, for the high frequency includes metal shell 100, the gold
Four cavitys are divided into by metal partion (metp) 200 in category shell 100, wherein, it is placed with high-frequency generator 310 in the first cavity 300
(Fig. 3 is shown)；The cooling device 410 cooled down to electron tube 311 is placed with second cavity 400；3rd 500 points of cavity is
Two parts up and down, top is placed with rectifier 510 (for example, silicon stack rectifier bridge), and bottom is placed as high-frequency generator 310 and provides electricity
The transformer 520 of pressure；The ammeter 610 for measuring the output current of high-frequency generator 310 is placed with 4th cavity 600, it is excellent
Selection of land, in order to further shield electromagnetic interference, at least the first cavity 300 and the inwall of the 4th cavity 600 is equipped with aluminium foil or spray
Conductive paint or totally-enclosed by metallic plate (such as aluminium sheet) is applied, the metal shell of the one of side of the first cavity is portable plate
(not shown), convenient dismounting.
Above-mentioned high frequency occurs cabinet and separates cooling device 410 and transformer 520, security is added, in addition, with high frequency
Occurs the power output increase of cabinet, the power of transformer 520 increase, height is higher, in the feelings of the height of increase high-tension transformer 520
The volume that cabinet occurs for high frequency can not be expanded under condition.
In order to which the device being positioned in each cavity contacts convenient, it is preferable that second cavity 400 is located at first chamber
The lower section of body 300, the 3rd cavity 500 and the 4th cavity 600 are located at two sides of the first cavity and the second cavity respectively.
In order to which the device in each cavity is easy for installation and easy overhaul is changed, it is preferable that the metal shell 100 is provided with
Front door 110 and two side doors 120, further, it is preferable that the front door 110 or side door 120 can be made up of two parts, example
Such as, front door 110 be divided into above and below two parts so that the first cavity 300 and the second cavity 400 form independent two spaces, not shadow
Ring the installation and replacing of respective device, furthermore it is preferred that relative to the front door 110 of the second cavity 400 a part be provided with it is scattered
Hot hole.
Furthermore it is preferred that the dorsal part of the metal shell 100 is set respectively relative to the first cavity 300 and the second cavity 400
It is equipped with portable plate (not shown), that is to say, that pull down portable plate from metal shell 100, exposes the first cavity 300 and the second chamber
Body 400, more facilitates the installation of component.
Radiate for convenience, it is preferable that the top that cabinet 1000 occurs for the high frequency is provided with multiple heat emission holes.
In a preferred embodiment of the present utility model, as shown in Fig. 2 above and below the device in the 4th cavity 600 is divided into
Two parts are placed, wherein, small-signal control device is placed on top, for example, the sensor (optical fiber temperature-measurement of measurement medium heating parameters
Instrument, vacuum sensor etc.), relay effect auxiliary reclay of high current etc. is controlled for small-signal；Place high current in bottom
Control device, for example, DC current transmitter, air switch, high voltage connector, the motor of measurement anode current and grid current
Switch, protects electrothermal relay of motor etc..
Preferably, control unit (not shown) is provided with the 4th cavity, with measuring the sensor of medium heating parameters, surveying
The DC current transmitter connection of anode current and grid current is measured, for transmitting data or order and calculating data, for example
PLC, MCGS, single-chip microcomputer, industrial computer etc., it is further preferred that being provided with display input equipment on the shell of the 4th cavity
(for example, touch-screen) 620, is connected with described control unit by wired mode (RS232, RS485 etc.) or wireless mode, is used for
Input and display data and order, for example, the setting range of setting anode current, grid current and plate grid ratio, display anode electricity
The size of stream, grid current and plate grid ratio, and display moisture content etc., the display input equipment 620 can replace electricity
Flow table 610, can also be arranged on the shell of the 4th cavity with ammeter 610, described control unit and display input equipment
620 can be arranged on the 4th cavity top, reduce electromagnetic interference.
Preferably, be fixed with the vertical clapboard 200 of the 4th cavity 600 on metallic plate 210, metallic plate 210 be provided with it is many
Individual hole, for fixing the device in the 4th cavity 600.
Preferably, the cooling device 410 includes air cooler or/and water cooling equipment, in the second cavity 400,
Further, it is preferable that electron tube 311 is cooled down using water cooling equipment, for example, being placed on the second chamber using Back Word type water pipe
Body 400 is located at the position of the lower section of electron tube 311, in addition, when using air cooler, can be placed in the second cavity 400
Blower fan, fan is set at the top of the first cavity 300.
Above-mentioned high frequency generation cabinet 1000 separates high-frequency element and high tension apparatus, high-current device and low current device divide
Open, effectively control radio-frequency generator part to measurement device and the electromagnetic interference of control device, strengthen the standard of control and measurement
True property.
Fig. 3 is the circuit theory diagrams that cabinet occurs for the utility model high frequency, as shown in figure 3, cabinet 1000 occurs for the high frequency
Transformer 520 is carried out after transformation by the rectification of rectifier 510 to industrial electro, is that high-frequency generator 310 provides power supply, the high frequency
Oscillator 310 includes electron tube 311, anode vacuum capacitance 312a, plate turn 313a, grid vacuum capacitance 312b, grid resistance
Streamline circle 313b and grid-feedback coil 314, wherein, the anode vacuum capacitance 312a and plate turn 313a are connected in parallel on described
The anode of electron tube 311；Described grid-feedback coil 313b one end is connected to the grid of the electron tube 311, other end connection
In the grid vacuum capacitance 312b and grid retardation coil 314, and the grid vacuum capacitance 312b and grid retardation coil
314 is in parallel, and anode current and grid current are adjusted respectively by adjusting anode vacuum capacitance 312a and grid vacuum capacitance 312b
Size so that plate grid ratio is (such as 4 in prescribed limit:1-6:1).
In order to increase the adjustable extent of anode current, it is preferable that the anode vacuum capacitance 312a can be by multiple vacuum
Electric capacity is formed in parallel, and is formed in parallel for example, being become using two vacuum capacitances.
Preferably, cabinet 1000, which occurs, for the high frequency also includes filament transformer 530, and voltage is provided for the filament of electron tube 311,
Further, it is preferable that the filament transformer 530 is placed on the top of the 3rd cavity 500, to prevent transformer 520 and lamp
Silk transformer 530 is interfered.
Preferably, cabinet 1000, which occurs, for the high frequency also includes anode filter unit and grid filter unit, is placed on first
Cavity, the anode filter unit includes filter capacitor 710 and choking-winding 720, wherein, described one end of filter capacitor 710 connects
Rectifier 510 is connected to, the other end is grounded, and described one end of choking-winding 720 is connected to the other end of rectifier 510 and is connected to electron tube
311 anode；The grid filter unit includes the second Leaded Ceramic Disc Capacitor 317b and grid filter capacitor 318, wherein, the second porcelain is situated between
Electric capacity 317b one end connects the grid of electron tube 311, one end ground connection；Grid filter capacitor 318, one end is connected to grid choked flow line
Enclose 313b output end, other end ground connection.
Furthermore it is preferred that being also placed with dropping resistor 420 in second cavity 400, the dropping resistor 420 is connected
Between power supply and transformer 520, facilitate the matching of anode current and grid current.
In a preferred embodiment of the present utility model, the ammeter 610 includes grid current table 611 and positive flow table 612,
Anode current and grid current are detected respectively；The high-frequency generator 310 also includes：
Capacitance 315, is connected between the plate turn 313a and the anode of electron tube 311；
The tank capacitance 316 of multiple concatenations, is connected in parallel on the anode vacuum capacitance 312a two ends, increases anode vacuum capacitance
312a capacity, increase anode vacuum capacitance and the matching range of load；
First Leaded Ceramic Disc Capacitor 317a, is connected in parallel on the grid vacuum capacitance 312b two ends, increase grid vacuum capacitance 312b
Capacity, lifted feedback quantity；
Resistance 319, one end is connected to the output end that one end is connected to grid retardation coil 313b, and the other end is connected to
There is provided grid bias for grid current table 611.
When high frequency occur cabinet demanded power output it is very big when, constitute the plate turn 313a diametric requirements of copper pipe also very
Greatly, diameter very big coil can not coiling, Fig. 4 is the schematic diagram of one embodiment of the utility model plate turn, such as Fig. 4 institutes
Show, the plate turn 313a is in series by many conductors 1, it is preferable that the plate turn is in series by many copper pipes,
The plate turn copper pipe diameter is not less than 120mm, for example, the power that cabinet occurs for the high frequency is 120KW, the plate turn
313a is in series by the 4 a diameter of 120mm in line juxtaposition of copper pipe.
Preferably, as shown in figure 4, the plate turn 313a includes the conductors 1 of many series connection, connection many conductors 1
Metal connecting plate 2, prevent short-circuit insulation connecting plate 3 between many conductors 1.
Fig. 5 is the schematic diagram of grid-feedback coil described in the utility model, as shown in figure 5, the grid-feedback coil
313b is in series by the in line juxtaposition of multi-disc metallic plate 4, and the length of the metallic plate, thickness, width are according to the higher-order of oscillation
The hunting power and feedback quantity size of device are determined, for example, the power that cabinet occurs for the high frequency is 120KW, grid-feedback coil
313b uses 8 leaf length to be that the copper coin that 60mm, thickness are 3mm is in series for 1000mm, width.
Preferably, as shown in figure 5, the grid-feedback coil 313b includes metallic plate 4, the connection multi-disc gold that multi-disc is connected
Belong to metal connecting plate 2, the insulation connecting plate 3 of fixed multi-disc metallic plate 4 of plate 4.
Although content disclosed above shows exemplary embodiment of the present utility model, it should be noted that not carrying on the back
On the premise of the scope of the present utility model limited from claim, it may be many modifications and change.Although in addition, this reality
It can be described or required in individual form with new element, it is also contemplated that it is multiple, it is unless explicitly limited odd number.
Claims (10)
1. cabinet, including metal shell occur for a kind of high frequency, it is characterised in that be divided into four by metal partion (metp) in the metal shell
High-frequency generator is placed with individual cavity, the first cavity, the high-frequency generator includes electron tube, anode vacuum capacitance, anode
Coil, grid vacuum capacitance, grid-feedback coil and grid retardation coil, the anode vacuum capacitance and plate turn are connected in parallel on
The anode of the electron tube, described grid-feedback coil one end connects the grid of the electron tube, and the other end connects the grid
Vacuum capacitance and grid retardation coil, the grid vacuum capacitance and grid retardation coil are in parallel；It is placed with second cavity pair
The cooling device that electron tube is cooled down；3rd cavity be divided into above and below two parts, top is placed with rectifier, and bottom is placed promising
High-frequency generator provides the transformer of power supply；The electric current for measuring high-frequency generator output current is placed with 4th cavity
Table,
Wherein, the plate turn is formed by many conductor series connections.
2. cabinet occurs for high frequency according to claim 1, it is characterised in that second cavity is located under first cavity
Side, the 3rd cavity is located at a side of the first cavity and the second cavity, and the 4th cavity is located at the first cavity and the
Another side of two cavitys.
3. cabinet occurs for high frequency according to claim 1, it is characterised in that the conductor of the plate turn is copper pipe, described
Copper pipe diameter is not less than 120mm.
4. cabinet occurs for high frequency according to claim 3, it is characterised in that the power that cabinet occurs for the high frequency is 120KW, institute
Plate turn is stated to be in series by the 4 a diameter of 120mm in line juxtaposition of copper pipe.
5. cabinet occurs for high frequency according to claim 1, it is characterised in that cabinet, which occurs, for the high frequency also includes anode filtering list
Member and grid filter unit, wherein, the anode filter unit includes filter capacitor and choking-winding, described filter capacitor one end
It is connected to rectifier, other end ground connection；Described choking-winding one end is connected to rectifier, and the other end is connected to the sun of electron tube
Pole；The grid filter unit includes the second Leaded Ceramic Disc Capacitor and grid filter capacitor, the second Leaded Ceramic Disc Capacitor one end connection electricity
The grid of sub- pipe, one end ground connection, described grid filter capacitor one end is connected to the output end of grid retardation coil, another termination
Ground.
6. cabinet occurs for high frequency according to claim 1, it is characterised in that the grid-feedback coil is by multiple metallic plate strings
Connection is formed.
7. cabinet occurs for high frequency according to claim 1, it is characterised in that cabinet, which occurs, for the high frequency also includes：Multiple concatenations
Tank capacitance, be connected in parallel on the anode vacuum capacitance two ends；
First Leaded Ceramic Disc Capacitor, is connected in parallel on the grid vacuum capacitance two ends.
8. cabinet occurs for high frequency according to claim 1, it is characterised in that the 4th chamber in-body devices be divided into above and below two
Divide and place, the sensor and auxiliary reclay of measurement medium heating parameters are placed in top, bottom, which is placed, measures anode current and grid
DC current transmitter, air switch, high voltage connector, the motor switch of electrode current, protect the electrothermal relay of motor, wherein,
Top is also placed with the control unit being connected with the sensor and DC current transmitter.
9. cabinet occurs for high frequency according to claim 1, it is characterised in that also including display input equipment, be arranged on the 4th
On the metal shell of cavity.
10. cabinet occurs for high frequency according to claim 1, it is characterised in that totally-enclosed by metallic plate in first cavity,
The metal shell of one of side is portable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446887.8U CN206380115U (en) | 2016-12-27 | 2016-12-27 | Cabinet occurs for a kind of high frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446887.8U CN206380115U (en) | 2016-12-27 | 2016-12-27 | Cabinet occurs for a kind of high frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206380115U true CN206380115U (en) | 2017-08-04 |
Family
ID=59407442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621446887.8U Expired - Fee Related CN206380115U (en) | 2016-12-27 | 2016-12-27 | Cabinet occurs for a kind of high frequency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206380115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132402A (en) * | 2017-12-29 | 2018-06-08 | 广州市铭慧机械股份有限公司 | Radio-frequency generator detection device and method |
-
2016
- 2016-12-27 CN CN201621446887.8U patent/CN206380115U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132402A (en) * | 2017-12-29 | 2018-06-08 | 广州市铭慧机械股份有限公司 | Radio-frequency generator detection device and method |
| CN108132402B (en) * | 2017-12-29 | 2020-04-14 | 广州市铭慧机械股份有限公司 | High-frequency generator detection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20191227 |