CN203849392U - Magnetic resonance superconducting coil fault testing tool - Google Patents
Magnetic resonance superconducting coil fault testing tool Download PDFInfo
- Publication number
- CN203849392U CN203849392U CN201320532773.5U CN201320532773U CN203849392U CN 203849392 U CN203849392 U CN 203849392U CN 201320532773 U CN201320532773 U CN 201320532773U CN 203849392 U CN203849392 U CN 203849392U
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- circuit
- magnetic resonance
- superconducting coil
- resonance superconducting
- coil fault
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 230000003321 amplification Effects 0.000 claims abstract description 16
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 abstract 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
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- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The utility model relates to a medical appliance fault detection tool, especially to a magnetic resonance superconducting coil fault testing tool, comprising a reference circuit, used for sending a voltage reference; current amplification circuit, connected with a reference circuit; a sampling circuit, connected with the current amplification circuit; a load testing circuit, connected with the sampling circuit; a comparison counter lock circuit, respectively connected with the current amplification circuit and the sampling circuit, and counter locked with the current amplification circuit; and a comparison circuit, respectively connected with the sampling circuit, the load testing circuit and the comparison counter lock circuit. After the above technical scheme is adopted, the magnetic resonance superconducting coil fault testing tool provided by the utility model has the beneficial effect that, no transmitting coil is required to dismount, fault detection can be completed in two minutes by one person; manpower is saved, detection time is shortened, testing is convenient and fast. The magnetic resonance superconducting coil fault testing tool is in favor of production detection and maintenance of maintenance workers, production time is reduced and production cost is low.
Description
Technical field
The utility model relates to medical instruments fault detect field, refers in particular to a kind of magnetic resonance superconducting coil fault test instrument.
Background technology
Shellfish Sida Company installed superconducting magnetic resonance imaging system and has reached more than 10 from 2013, in installing and using process, transmitting coil fault happens occasionally, and this fault great majority are emitting diodes by due to unexpected being punctured.Except improve reducing from apparatus and process diode breakdown rate, from the angle of maintenance, requiring the slip-stick artist place of can fast detecting ging wrong, and then fixing a breakdown.Current common way is to tear open in the situation of transmitting coil directly with multimeter, all diodes to be detected one by one; Owing to having parts that diode breakdown often in use occurs in superconducting magnetic resonance system at present, and detect this fault, superconduction transmitting coil must be pulled down, with multimeter, detect one by one, could judge, do so very inconvenient, in addition, tearing transmitting coil open generally needs 2 people just can detect fault in more than 1 hour, and sometimes not necessarily coil fault causes and flogs a dead horse; And with multimeter, survey connection resistance in the situation that not tearing transmitting coil open, testing result is inaccurate, because only just can measure when a plurality of diodes damage with multimeter test.The purpose of this utility model is exactly the in the situation that of not dismounting superconduction transmitting coil, to the quality of diode, to judge, saves time, and increases work efficiency.
Utility model content
For addressing the above problem, the utility model provides a kind of magnetic resonance superconducting coil fault test instrument, and it does not need dismounting superconduction transmitting coil, only needs 1 people to spend about 2 minutes and can complete fault detect, saves manpower, saves time.
For achieving the above object, the utility model adopts following technical scheme to be: a kind of magnetic resonance superconducting coil fault test instrument, is characterized in that: comprising:
Reference circuit, for sending reference voltage;
Current amplification circuit, is connected with described reference circuit;
Sample circuit, is connected with described amplified current circuit;
Test load circuit, is connected with described sample circuit;
Relatively lock circuit, be connected with described sample circuit with described amplified current circuit respectively, and lock with described current amplification circuit; And,
Comparator circuit, is connected with described sample circuit, described test load circuit and the described circuit of relatively locking respectively.
Preferably, described current amplification circuit adopts transistor for amplifying base components.
Preferably, described test load circuit comprises: diode and the inductance of yi word pattern series connection.
Preferably, described diode and described inductance respectively adopt more than 8 or 8.
Preferably, the described circuit of relatively locking adopts the mode of single closed loop and described current amplification circuit to lock.
Preferably, described comparator circuit comprises: red light emitting diodes and yellow light-emitting diode.
Preferably, the voltage comparator that described comparator circuit adopts is LM393 or LM339.
The beneficial effects of the utility model are: do not need dismounting transmitting coil, only need 1 people can complete fault detect about 2 minutes; Save manpower, shorten detection time, convenient test, quick, is conducive to production testing and maintenance job personnel maintenance, reduces the time of producing, thereby reach, reduces production costs.
Accompanying drawing explanation
Fig. 1 is a kind of example structure schematic diagram of the present utility model.
Fig. 2 is another kind of example structure schematic diagram of the present utility model.
Fig. 3 is another kind of example structure schematic diagram of the present utility model.
Embodiment
Refer to shown in Fig. 1-3, the utility model, about a kind of magnetic resonance superconducting coil fault test instrument, is characterized in that: comprising:
Reference circuit 1, for sending reference voltage;
Current amplification circuit 2, is connected with described reference circuit 1;
Sample circuit 3, is connected with described amplified current circuit 2;
Test load circuit 4, is connected with described sample circuit 3;
Relatively lock circuit 5, be connected with described sample circuit 3 with described amplified current circuit 2 respectively, and lock with described current amplification circuit 2; And,
Comparator circuit 6, is connected with described sample circuit 3, described test load circuit 4 and the described circuit 5 of relatively locking respectively.
Wherein, described test load circuit 4 comprises: diode 41 and the inductance 42 of yi word pattern series connection.
Wherein, described current amplification circuit 2 adopts transistor for amplifying base components.
Wherein, described diode 41 and described inductance 42 respectively adopt more than 8 or 8.
Wherein, the described circuit 5 of relatively locking adopts the mode of single closed loop and described current amplification circuit 2 to lock.
Wherein, described comparator circuit 6 comprises: red light emitting diodes 61 and yellow light-emitting diode 62.
Wherein, the voltage comparator that described comparator circuit 7 adopts is LM393 or LM339.
As shown in Figure 2, the loading coil that embodiment of the present utility model detects is diode 41 and the inductance 42 that adopts yi word pattern series connection, described diode 41 and described inductance 42 respectively have 8, and described diode 41 adopts a diode 41 to be connected with inductance 42 intervals with the connected mode of described inductance 42.
Adopt after said structure, the utility model is best in the result of the upper detection of the above embodiments, does not need dismounting transmitting coil, only needs 1 people can complete fault detect about 2 minutes; Save manpower, shorten detection time simultaneously.
Comparative result of the present utility model is:
(1) if there are one or more diodes 41 to puncture (conducting)
This testing tool will have a red light emitting diodes 61 to light, indication fault.
(2) if there are one or more diode 41 open circuits (obstructed)
This testing tool will have a yellow light-emitting diode 62 to light, indication fault.
(3) if there are a series inductance 42 open circuits (obstructed)
This testing tool will have a yellow light-emitting diode 62 to light, indication fault.
Above embodiment is only that preferred implementation of the present utility model is described; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that the common engineering technical personnel in this area make the technical solution of the utility model, all should fall in the definite protection domain of claims of the present utility model.
Claims (7)
1. a magnetic resonance superconducting coil fault test instrument, is characterized in that: comprising:
Reference circuit, for sending reference voltage;
Current amplification circuit, is connected with described reference circuit;
Sample circuit, is connected with described amplified current circuit;
Test load circuit, is connected with described sample circuit;
Relatively lock circuit, be connected with described sample circuit with described amplified current circuit respectively, and lock with described current amplification circuit; And,
Comparator circuit, is connected with described sample circuit, described test load circuit and the described circuit of relatively locking respectively.
2. a kind of magnetic resonance superconducting coil fault test instrument according to claim 1, is characterized in that: described current amplification circuit adopts transistor for amplifying base components.
3. a kind of magnetic resonance superconducting coil fault test instrument according to claim 1, is characterized in that: described test load circuit comprises: diode and the inductance of yi word pattern series connection.
4. a kind of magnetic resonance superconducting coil fault test instrument according to claim 3, is characterized in that: described diode and described inductance respectively adopt more than 8 or 8.
5. a kind of magnetic resonance superconducting coil fault test instrument according to claim 1, is characterized in that: the described circuit of relatively locking adopts the mode of single closed loop and described current amplification circuit to lock.
6. a kind of magnetic resonance superconducting coil fault test instrument according to claim 1, is characterized in that: described comparator circuit comprises: red light emitting diodes and yellow light-emitting diode.
7. a kind of magnetic resonance superconducting coil fault test instrument according to claim 1, is characterized in that: the voltage comparator that described comparator circuit adopts is LM393 or LM339.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532773.5U CN203849392U (en) | 2013-08-23 | 2013-08-23 | Magnetic resonance superconducting coil fault testing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532773.5U CN203849392U (en) | 2013-08-23 | 2013-08-23 | Magnetic resonance superconducting coil fault testing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203849392U true CN203849392U (en) | 2014-09-24 |
Family
ID=51562392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320532773.5U Expired - Lifetime CN203849392U (en) | 2013-08-23 | 2013-08-23 | Magnetic resonance superconducting coil fault testing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203849392U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505530A (en) * | 2020-04-09 | 2020-08-07 | 中北大学 | Non-contact coil fault detection system based on electromagnetic induction and detection method thereof |
| CN112345935A (en) * | 2020-10-21 | 2021-02-09 | 大唐陕西发电有限公司西安热电厂 | Knocking device for searching stator coil fault |
-
2013
- 2013-08-23 CN CN201320532773.5U patent/CN203849392U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505530A (en) * | 2020-04-09 | 2020-08-07 | 中北大学 | Non-contact coil fault detection system based on electromagnetic induction and detection method thereof |
| CN111505530B (en) * | 2020-04-09 | 2022-03-08 | 中北大学 | Non-contact coil fault detection system based on electromagnetic induction and detection method thereof |
| CN112345935A (en) * | 2020-10-21 | 2021-02-09 | 大唐陕西发电有限公司西安热电厂 | Knocking device for searching stator coil fault |
| CN112345935B (en) * | 2020-10-21 | 2021-09-07 | 大唐陕西发电有限公司西安热电厂 | Knocking device for searching stator coil fault |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Lin Xi Lu Dragon Dragon Street Industrial Park in Longgang District of Shenzhen City, Guangdong Province, No. three building 518000 Patentee after: SHENZHEN BASDA MEDICAL APPARATUS CO.,LTD. Address before: Lin Xi Lu Dragon Dragon Street Industrial Park in Longgang District of Shenzhen City, Guangdong Province, No. three building 518000 Patentee before: SHENZHEN BASDA MEDICAL APPARATUS Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 workshop 1a1901, building a, beisida medical equipment building, 28 Nantong Avenue, Baolong community, Baolong street, Longgang District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN BASDA MEDICAL APPARATUS Co.,Ltd. Address before: Lin Xi Lu Dragon Dragon Street Industrial Park in Longgang District of Shenzhen City, Guangdong Province, No. three building 518000 Patentee before: SHENZHEN BASDA MEDICAL APPARATUS Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fault testing tool for magnetic resonance superconducting coils Effective date of registration: 20200828 Granted publication date: 20140924 Pledgee: Shenzhen Longgang sub branch of Agricultural Bank of China Ltd. Pledgor: SHENZHEN BASDA MEDICAL APPARATUS Co.,Ltd. Registration number: Y2020990001046 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220424 Granted publication date: 20140924 Pledgee: Shenzhen Longgang sub branch of Agricultural Bank of China Ltd. Pledgor: SHENZHEN BASDA MEDICAL APPARATUS CO.,LTD. Registration number: Y2020990001046 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fault test tool for magnetic resonance superconducting coil Effective date of registration: 20220429 Granted publication date: 20140924 Pledgee: Shenzhen Longgang sub branch of Agricultural Bank of China Ltd. Pledgor: SHENZHEN BASDA MEDICAL APPARATUS CO.,LTD. Registration number: Y2022980005037 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |