CN202748133U - Electromagnetic compatible apparatus used for spark light source of photoelectric direct-reading spectrometer - Google Patents
Electromagnetic compatible apparatus used for spark light source of photoelectric direct-reading spectrometer Download PDFInfo
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- CN202748133U CN202748133U CN 201220433296 CN201220433296U CN202748133U CN 202748133 U CN202748133 U CN 202748133U CN 201220433296 CN201220433296 CN 201220433296 CN 201220433296 U CN201220433296 U CN 201220433296U CN 202748133 U CN202748133 U CN 202748133U
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Abstract
The utility model discloses an electromagnetic compatible apparatus used for a spark light source of a photoelectric direct-reading spectrometer, and the apparatus comprises a low voltage control module, a high voltage generation module, a power module, and a voltage isolation module, wherein the low voltage control module and the power module are arranged in a spark light source case, the high voltage generation module and the voltage isolation module are arranged in a Faraday cage, the Faraday cage and an excitation bench are in an one-body structure, a connection line between the low voltage control module and the high voltage generation module and a connection line between the voltage isolation module and the power module are arranged in a shield mechanism between the Faraday cage and the spark light source case, the excitation bench and the power module are connected through a return line, the spark light source case and the return line are connected to the ground, and the power module, the low voltage control module, the high voltage generation module, and the excitation bench are all connected to a reference ground in a power source; and the electromagnetic compatible apparatus used for the spark light source of the photoelectric direct-reading spectrometer reduces a current path of a high voltage loop, reduces electromagnetic interference amplitude, so electromagnetic interference is fundamentally solved.
Description
Technical field
The utility model belongs to the spectral instrument technical field, is specifically related to a kind of electromagnetic compatibility device of the spark light source for photo-electric direct reading spectrometer.
Background technology
Existing spark light source, as shown in Figure 1, comprise low-pressure control module, the high pressure generation module, power model and voltage isolation module, the signal output part of described low-pressure control module is connected signal input part with the high pressure generation module respectively and is connected with power model, the high-voltage output end of described high pressure generation module and the voltage output end of the power model respectively input end corresponding with the voltage isolation module are connected, the output terminal of described power isolation module is connected with excitation bench by screen layer, and above-mentioned low-pressure control module, the high pressure generation module, power model and voltage isolation module all are placed on the spark light source case the inside from 1 meter of excitation bench, low-pressure control module, the high pressure generation module, power model is connected with reference ground and the spark light source case of power supply inside respectively, spark light source case and excitation bench connect the earth, like this be arranged so that the light source activation current return is large, electromagnetic radiation is serious.The frame of whole instrument also is ground connection simultaneously, spark power supply box shell also is ground connection, do not cause the part high-frequency current mechanical parts such as frame of flowing through so spark light source current return when exciting is single, and exist the gap to form the antithesis antenna between mechanical part, produce serious electromagnetic interference (EMI).These electromagnetic interference (EMI) cause the instrument telemetry circuit to work.
The utility model content
The utility model purpose: the purpose of this utility model is for the deficiencies in the prior art, a kind of electromagnetic compatibility device of the spark light source for photo-electric direct reading spectrometer is provided, reduce the current path of high tension loop, reduced the electromagnetic interference (EMI) amplitude, solved electromagnetic interference (EMI) from the source.
Technical scheme: the electromagnetic compatibility device of a kind of spark light source for photo-electric direct reading spectrometer described in the utility model, comprise low-pressure control module, the high pressure generation module, power model and voltage isolation module, the signal output part of described low-pressure control module is connected with the signal input part of high pressure generation module and power model respectively, the high-voltage output end of described high pressure generation module is connected with voltage input end with the high voltage input terminal of voltage isolation module respectively with the voltage output end of power model, the voltage output end of described voltage isolation module is connected with excitation bench, described low-pressure control module and power model are arranged in the spark light source case, described high pressure generation module and voltage isolation module are arranged in the faraday cup, described faraday cup and excitation bench are integrated, the connecting line of the low-pressure control module between described faraday cup and the spark light source case and the connecting line of high pressure generation module and voltage isolation module and power model is arranged in the shielding body, described excitation bench is connected by return wire with power model, described spark light source case and return wire connect the earth, described power model, low-pressure control module, high pressure generation module and excitation bench all connect the reference ground of power supply inside.Further improve technique scheme, described faraday cup and excitation bench are one-body molded.
Further improve technique scheme, the connecting line of the low-pressure control module between described faraday cup and the spark power supply box and the connecting line of high pressure generation module and voltage isolation module and power model is arranged in the cast gauze screen.
High pressure generation module in the spark light source case and voltage isolation module are placed in the faraday cup with the excitation bench one, and with the copper shield net line between light-source box and excitation bench is shielded, adopt circular ring type to connect the shielding properties that guarantees whole system in the junction.Power model in the light-source box is not linking to each other with the housing of light-source box, and the guaranteed output blocks current flows back to power model and can not flow through any mechanical part from return wire.
The utility model compared with prior art, its beneficial effect is: the electromagnetic compatibility device of the spark light source for photo-electric direct reading spectrometer described in the utility model, reduce the current path of high tension loop, reduced the electromagnetic interference (EMI) amplitude, solved electromagnetic interference (EMI) from the source; And single loop of power circuit ground can avoid high-frequency current to be launched with electromagnetic form by frame, and telemetry circuit is caused interference, affects stability of instrument.
Description of drawings
Fig. 1 is existing spark light source schematic diagram.
Fig. 2 is the electromagnetic compatibility device schematic diagram of the spark light source for photo-electric direct reading spectrometer described in the utility model.
Embodiment
The below is elaborated to technical solutions of the utility model, but protection domain of the present utility model is not limited to described embodiment.
As shown in Figure 2, a kind of electromagnetic compatibility device of the spark light source for photo-electric direct reading spectrometer, comprise low-pressure control module, the high pressure generation module, power model and voltage isolation module, the signal output part of described low-pressure control module is connected with the signal input part of high pressure generation module and power model respectively, the high-voltage output end of described high pressure generation module is connected with voltage input end with the high voltage input terminal of voltage isolation module respectively with the voltage output end of power model, the voltage output end of described voltage isolation module is connected with excitation bench, it is characterized in that, described low-pressure control module and power model are arranged in the spark light source case, described high pressure generation module and voltage isolation module are arranged in the faraday cup, described faraday cup and excitation bench are integrated, the connecting line of the low-pressure control module between described faraday cup and the spark light source case and the connecting line of high pressure generation module and voltage isolation module and power model is arranged in the tubular copper shield net, described excitation bench is connected by return wire with power model, described spark light source case and return wire connect the earth, be connected with ground wire between described high pressure generation module and the low-pressure control module, be connected with ground wire between described low-pressure control module and the power model, described power model and excitation bench all connect the reference ground of power supply inside, and described high pressure generation module and low-pressure control module connect power supply internal reference ground by power model.
As mentioned above, although represented and explained the utility model with reference to specific preferred embodiment, it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make in the form and details various variations to it.
Claims (2)
1. electromagnetic compatibility device that is used for the spark light source of photo-electric direct reading spectrometer, comprise low-pressure control module, the high pressure generation module, power model and voltage isolation module, the signal output part of described low-pressure control module is connected with the signal input part of high pressure generation module and power model respectively, the high-voltage output end of described high pressure generation module is connected with voltage input end with the high voltage input terminal of voltage isolation module respectively with the voltage output end of power model, the voltage output end of described voltage isolation module is connected with excitation bench, it is characterized in that, described low-pressure control module and power model are arranged in the spark light source case, described high pressure generation module and voltage isolation module are arranged in the faraday cup, described faraday cup and excitation bench are integrated, the connecting line of the low-pressure control module between described faraday cup and the spark light source case and the connecting line of high pressure generation module and voltage isolation module and power model is arranged in the shielding body, described excitation bench is connected by return wire with power model, described spark light source case and return wire connect the earth, described power model, low-pressure control module, high pressure generation module and excitation bench all connect the reference ground of power supply inside.
2. the electromagnetic compatibility device of the spark light source for photo-electric direct reading spectrometer according to claim 1, it is characterized in that, the connecting line of the low-pressure control module between described faraday cup and the spark light source case and the connecting line of high pressure generation module and voltage isolation module and power model is arranged in the cast gauze screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433296 CN202748133U (en) | 2012-08-29 | 2012-08-29 | Electromagnetic compatible apparatus used for spark light source of photoelectric direct-reading spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433296 CN202748133U (en) | 2012-08-29 | 2012-08-29 | Electromagnetic compatible apparatus used for spark light source of photoelectric direct-reading spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202748133U true CN202748133U (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220433296 Withdrawn - After Issue CN202748133U (en) | 2012-08-29 | 2012-08-29 | Electromagnetic compatible apparatus used for spark light source of photoelectric direct-reading spectrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202748133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968941A (en) * | 2014-05-22 | 2014-08-06 | 江苏鑫知源仪器有限公司 | Photoelectric direct reading spectrometer spark light source |
| CN104280380A (en) * | 2014-10-24 | 2015-01-14 | 合肥卓越分析仪器有限责任公司 | Spark excitation light source of photoelectric direct-reading spectrograph |
-
2012
- 2012-08-29 CN CN 201220433296 patent/CN202748133U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968941A (en) * | 2014-05-22 | 2014-08-06 | 江苏鑫知源仪器有限公司 | Photoelectric direct reading spectrometer spark light source |
| CN104280380A (en) * | 2014-10-24 | 2015-01-14 | 合肥卓越分析仪器有限责任公司 | Spark excitation light source of photoelectric direct-reading spectrograph |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20140611 |
|
| RGAV | Abandon patent right to avoid regrant |