CN204994047U - Power frequency high pressure controller with protection of industry X -ray tube filament - Google Patents
Power frequency high pressure controller with protection of industry X -ray tube filament Download PDFInfo
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- CN204994047U CN204994047U CN201520500875.8U CN201520500875U CN204994047U CN 204994047 U CN204994047 U CN 204994047U CN 201520500875 U CN201520500875 U CN 201520500875U CN 204994047 U CN204994047 U CN 204994047U
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Abstract
The utility model provides a power frequency high pressure controller with protection of industry X -ray tube filament, include: big focus filament, little focus filament, changer and PLC controller, the power end passes through the transformer and connects big focus filament and little focus filament power supply end, big focus filament and little focus filament power supply transformer one end connect gradually that an auxiliary relay normally opens, normally closed contact for switch the focus filament, the 2nd auxiliary relay normally open contact is connected to an auxiliary relay normally closed contact one end, and the circuit return circuit when opening the high pressure is connected to the 2nd auxiliary relay normally open contact other end, in the operating circuit return circuit when opening the high pressure, filament transformer both ends parallel connection changer work signal input part, changer work signal output part connects the PLC controller signal input, carries out the filament voltage control through the PLC controller. The utility model discloses the filament protect function of perfect realization X -ray tube.
Description
Technical field
The utility model relates to industrial X-ray control circuit field, particularly relates to a kind of power frequency high voltage controller with the protection of industrial X-ray spot silk.
Background technology
Reindustrialization manufactures field; industrial X-ray apparatus application also comes more extensive; but for X-ray production apparatus; X ray fluorescent tube silk wherein belongs to core component; Renewal process is very loaded down with trivial details; and with high costs, be the filament protective circuit that do not have X-ray tube in the power frequency high voltage controller of traditional industrial X-ray, use X-ray tube filament to be easy to be burnt in this case.Do not protect just because of X-ray tube filament, this just needs those skilled in the art badly and solves corresponding technical problem.
Utility model content
The utility model is intended at least solve the technical problem existed in prior art, especially innovatively proposes a kind of power frequency high voltage controller with the protection of industrial X-ray spot silk.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of power frequency high voltage controller with the protection of industrial X-ray spot silk, and it comprises: large focal spot filament, little focus filament, the first auxiliary relay J4, the second auxiliary relay J5, transmitter and PLC;
Power end connects large focal spot filament and little focus filament power end by transformer, and described large focal spot filament and little focus filament power transformer one end are connected that the first auxiliary relay is often opened, normally-closed contact, for switching focus filament successively;
Described first auxiliary relay normally-closed contact one end connects the second auxiliary relay normally opened contact, and the second auxiliary relay normally opened contact other end connects circuit loop when opening high pressure;
In described operating circuit loop when opening high pressure, filament transformer two ends parallel join transmitter working signal input, described transmitter working signal output connects PLC signal input part, carries out filament voltage monitoring by PLC.
The described power frequency high voltage controller with the protection of industrial X-ray spot silk, preferably, also comprises: the 3rd auxiliary relay, first power resistor, second largest power resistor;
Described second auxiliary relay normally-closed contact connects first power resistor first end, operating circuit loop when described first power resistor second end connects second largest power resistor first end respectively and opens high pressure, described second largest power resistor second end connects the 3rd auxiliary relay normally opened contact.
The described power frequency high voltage controller with the protection of industrial X-ray spot silk, preferably, described PLC is ST200.
The described power frequency high voltage controller with the protection of industrial X-ray spot silk, preferably, described first power resistor is 50W, 150 ohm of high-power resistances.
The described power frequency high voltage controller with the protection of industrial X-ray spot silk, preferably, described first power resistor is 50W, 620 ohm of high-power resistances.
The described power frequency high voltage controller with the protection of industrial X-ray spot silk, preferably, also comprises optocoupler;
The control inputs loop of described optocoupler connects PLC output, and the input circuit of described optocoupler is connected to the input of large focal spot filament and little focus filament power transformer.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
Design and fabrication has been carried out in the filament protection of the utility model to X-ray tube, to protect the filament of X-ray tube and to extend the useful life of X-ray tube.
This control circuit is not only simple and clear, perfectly can also realize the filament defencive function of X-ray tube, and can extend the useful life of X-ray tube, for energy-conserving and environment-protective are beneficial again, can also reduce the buying number of times of X-ray tube, increase economic efficiency.Selection on device is also compare simple and convenient, need not buy some multiple troublesome things, be easy to assembling.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the power frequency high voltage controller circuitry figure that the utility model has the protection of industrial X-ray spot silk.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 1, with ray tube filament protection power frequency high voltage controller as shown in the figure.
Have a power frequency high voltage controller for industrial X-ray spot silk protection, it comprises: large focal spot filament, little focus filament, the first auxiliary relay J4, the second auxiliary relay J5, transmitter and PLC;
Power end connects large focal spot filament and little focus filament power end by transformer, and described large focal spot filament and little focus filament power transformer one end are connected that the first auxiliary relay is often opened, normally-closed contact, for switching focus filament successively;
Described first auxiliary relay normally-closed contact one end connects the second auxiliary relay normally opened contact, and the second auxiliary relay normally opened contact other end connects circuit loop when opening high pressure;
In described operating circuit loop when opening high pressure, filament transformer two ends parallel join transmitter working signal input, described transmitter working signal output connects PLC signal input part, carries out filament voltage monitoring by PLC.
The described power frequency high voltage controller with the protection of industrial X-ray spot silk, preferably, also comprises: the 3rd auxiliary relay, first power resistor, second largest power resistor;
Described second auxiliary relay normally-closed contact connects first power resistor first end, operating circuit loop when described first power resistor second end connects second largest power resistor first end respectively and opens high pressure, described second largest power resistor second end connects the 3rd auxiliary relay normally opened contact.
The described power frequency high voltage controller with the protection of industrial X-ray spot silk, preferably, described PLC is ST200.
The described power frequency high voltage controller with the protection of industrial X-ray spot silk, preferably, described first power resistor is 50W, 150 ohm of high-power resistances.
The described power frequency high voltage controller with the protection of industrial X-ray spot silk, preferably, described first power resistor is 50W, 620 ohm of high-power resistances.
The described power frequency high voltage controller with the protection of industrial X-ray spot silk, preferably, also comprises optocoupler;
The control inputs loop of described optocoupler connects PLC output, and the input circuit of described optocoupler is connected to the input of large focal spot filament and little focus filament power transformer.
(1) be large focal spot filament transformer between No. 4 and No. 55 lines and filament, its effect is for X-ray tube provides important electronics.
(2) be little focus filament transformer between No. 4 and No. 56 lines and filament, its effect is also for X-ray tube provides important electronics.
(3) be a pair normally-open normally-close contact of auxiliary relay J4, its effect is the conversion of focus filament, so that improve the effect of x-ray inspection.
(4) be a pair normally opened contact of auxiliary relay J5, its effect is the conducting controlling X-ray tube filament.
(5) be 50W150 ohm high-power resistance, its effect is used to dividing potential drop and current limliting.
(6) be 50W620 ohm high-power resistance, its effect is also used to dividing potential drop and current limliting.
(7) be a pair normally opened contact of auxiliary relay J3, the branch road that its effect is used to control heater chain is selected.
(8) be out circuit loop during high pressure, its effect is for filament provides loop when opening high pressure.
(9) be transmitter, its effect be the voltage being added in filament two ends was entered become send after give PLC and monitor in real time, normal to ensure filament condition of work.
It work is exactly the energize filaments for X-ray tube.High pressure to be separated when powering and do not open dividing of high pressure, be referred to as to be to filament pre-heating before not opening high pressure, loop is now formed by filament transformer coil and two resistant series, and (7) and (4) are all closed (8) is disconnect.After opening high pressure, loop just becomes filament transformer coil, 150 Ohmic resistances and to connect with bidirectional triode thyristor the loop formed, and now (7) disconnect, and (4) and (8) are closed.Filament protection part mainly just can manifest out after opening high pressure; after having opened high pressure; control by bidirectional triode thyristor the voltage swing being added in coil two ends exactly among loop, and transmitter and coils from parallel connection of coils, the voltage of energy real time monitoring filament transformer primary coil.If transmitter export signal be considered as in PLC excessive after high pressure will be made to close, protect filament with this.Transmitter and PLC constitute the real-time monitoring to voltage, and defencive function.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (6)
1. one kind has the power frequency high voltage controller of industrial X-ray spot silk protection, it is characterized in that, comprising: large focal spot filament, little focus filament, the first auxiliary relay (J4), the second auxiliary relay (J5), transmitter and PLC;
Power end connects large focal spot filament and little focus filament power end by transformer, and described large focal spot filament and little focus filament power transformer one end are connected that the first auxiliary relay is often opened, normally-closed contact, for switching focus filament successively;
Described first auxiliary relay normally-closed contact one end connects the second auxiliary relay normally opened contact, and the second auxiliary relay normally opened contact other end connects circuit loop when opening high pressure,
In described operating circuit loop when opening high pressure, filament transformer two ends parallel join transmitter working signal input, described transmitter working signal output connects PLC signal input part, carries out filament voltage monitoring by PLC.
2. the power frequency high voltage controller with the protection of industrial X-ray spot silk according to claim 1, is characterized in that, also comprise: the 3rd auxiliary relay, first power resistor, second largest power resistor;
Described second auxiliary relay normally-closed contact connects first power resistor first end, operating circuit loop when described first power resistor second end connects second largest power resistor first end respectively and opens high pressure, described second largest power resistor second end connects the 3rd auxiliary relay normally opened contact.
3. the power frequency high voltage controller with the protection of industrial X-ray spot silk according to claim 1, it is characterized in that, described PLC is ST200.
4. the power frequency high voltage controller with the protection of industrial X-ray spot silk according to claim 2, it is characterized in that, described first power resistor is 50W, 150 ohm of high-power resistances.
5. the power frequency high voltage controller with the protection of industrial X-ray spot silk according to claim 2, it is characterized in that, described first power resistor is 50W, 620 ohm of high-power resistances.
6. the power frequency high voltage controller with the protection of industrial X-ray spot silk according to claim 1, is characterized in that, also comprise optocoupler;
The control inputs loop of described optocoupler connects PLC output, and the input circuit of described optocoupler is connected to the input of large focal spot filament and little focus filament power transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500875.8U CN204994047U (en) | 2015-07-10 | 2015-07-10 | Power frequency high pressure controller with protection of industry X -ray tube filament |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500875.8U CN204994047U (en) | 2015-07-10 | 2015-07-10 | Power frequency high pressure controller with protection of industry X -ray tube filament |
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| CN204994047U true CN204994047U (en) | 2016-01-20 |
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| CN201520500875.8U Active CN204994047U (en) | 2015-07-10 | 2015-07-10 | Power frequency high pressure controller with protection of industry X -ray tube filament |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023618A (en) * | 2021-09-23 | 2022-02-08 | 康达洲际医疗器械有限公司 | Switching method and circuit for focal point ray switching |
-
2015
- 2015-07-10 CN CN201520500875.8U patent/CN204994047U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023618A (en) * | 2021-09-23 | 2022-02-08 | 康达洲际医疗器械有限公司 | Switching method and circuit for focal point ray switching |
| CN114023618B (en) * | 2021-09-23 | 2024-05-14 | 康达洲际医疗器械有限公司 | Switching method and circuit for focal ray switching |
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