CN103860188A - PET (positron emission computed tomography) device power supply adapter plate, PET device power supply and PET device - Google Patents
PET (positron emission computed tomography) device power supply adapter plate, PET device power supply and PET device Download PDFInfo
- Publication number
- CN103860188A CN103860188A CN201210552221.0A CN201210552221A CN103860188A CN 103860188 A CN103860188 A CN 103860188A CN 201210552221 A CN201210552221 A CN 201210552221A CN 103860188 A CN103860188 A CN 103860188A
- Authority
- CN
- China
- Prior art keywords
- interface
- power supply
- pet
- pet device
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Power Sources (AREA)
Abstract
The invention provides a PET (positron emission computed tomography) device power supply adapter plate, a PET device power supply and a PET device and relates to the technical field of power supplies. The PET device power supply adapter plate comprises a first interface, a second interface and a third interface; the input end of the first interface is used for being connected with a PET device main power supply; a first step-down voltage stabilizing circuit is connected between the output end of the first interface and the input end of the second interface; the output end of the second interface is used for being connected with a clock communication controller of the PET device; a second step-down voltage stabilizing circuit is connected between the output end of the first interface and the second input end of the third interface; the output end of the third interface is used for being connected with a controller of the PET device. According to the PET device power supply adapter plate, the PET device power supply and the PET device provided by the invention, the number of busbars in the PET device is reduced to two from three, and meanwhile, the area of the busbars is reduced by 1/3. Thus, the power supply is small in structure, and small in occupied area; the modularization of the PET device power supply is realized, so that the internal power supply of the PET device is safer, and the stability of provided voltage is higher.
Description
Technical field
The present invention relates to power technique fields, refer to especially a kind of PET device power supply (DPS) keyset, there is the PET device power supply (DPS) of this keyset and there is the PET equipment of this PET device power supply (DPS).
Background technology
PET full name in medical science is positron emission computer tomography (Positron EmissionComputed Tomography), it is the more advanced clinical examination image technology of the field of nuclear medicine, its roughly method be by certain material, it is generally necessary material in biological life metabolism, as glucose, protein, nucleic acid, fatty acid etc., on labelling, short-life radionuclide is (as F18, carbon 11 etc.), inject after human body, by the gathering in metabolism for this material, reflect the situation of life metabolic activity, thereby reach the object of diagnosis.The measurement of PET is highly sensitive, is a kind of video picture that reflects molecule metabolism.
The complicated nuclear measurement system that PET equipment is made up of 1024 photomultiplier tubes and corresponding 1024 electronics passages.Hence one can see that, and existing PET equipment is huge, and internal circuit is more, needs the unit of power supply also a lot, therefore, is necessary to improve the safety and stability of PET device power supply (DPS).
Summary of the invention
The technical problem to be solved in the present invention is to provide PET device power supply (DPS) keyset, PET device power supply (DPS) and the PET equipment that a kind of safety and stability is high.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, provide a kind of PET device power supply (DPS) keyset, comprise first interface, the second interface and the 3rd interface, described the 3rd interface has the first and second inputs, wherein,
The input of described first interface is for being connected with PET equipment main power source, reception come from described PET equipment main power source+voltage of 24V～+ 12V;
Between the input of the outfan of described first interface and described the second interface, be connected with the first decompression voltage regulator, the input of described the second interface is connected to the first input end of described the 3rd interface simultaneously, the outfan of described the second interface, for being connected with the clock communication controler of PET equipment, is described provide+5V of clock communication controler voltage;
Between the second input of the outfan of described first interface and described the 3rd interface, be connected with the second decompression voltage regulator, the outfan of described the 3rd interface, for being connected with the controller of the front-end electronics system of PET equipment, is provide ± 5V of described controller voltage.
Further, described the first decompression voltage regulator comprises the first chip LMZ23610 and the first resistance, wherein, the Vin pin of described the first chip is connected to the outfan of described first interface, the Vout pin of described the first chip is connected to the input of described the second interface, and the FB pin of described the first chip is also connected to the input of described the second interface through described the first resistance.
Further, between the Vin pin of described the first chip and the outfan of described first interface and between the Vout pin of described the first chip and the input of described the second interface, be provided with filter circuit.
Further, on described the first resistance, be parallel with the first electric capacity.
Further, described the second decompression voltage regulator comprises the second chip LTM8025, second and the 3rd resistance, wherein, the Vin pin of described the second chip is connected to the outfan of described first interface, the RT pin of described the second chip and ADJ pin are connected to respectively the second input of described the 3rd interface, the Vout pin ground connection of described the second chip through described the second resistance and the 3rd resistance.
Further, between the Vin pin of described the second chip and the outfan of described first interface and between the Vout pin of described the second chip and the second input of described the 3rd interface, be provided with filter circuit.
On the other hand, provide a kind of PET device power supply (DPS), comprise PET equipment main power source and above-mentioned PET device power supply (DPS) keyset.
On the one hand, provide a kind of PET equipment again, comprise above-mentioned PET device power supply (DPS).
Embodiments of the invention have following beneficial effect:
When application, PET device power supply (DPS) keyset of the present invention is connected to PET equipment main power source, then utilizes this PET device power supply (DPS) keyset to power for the controller in clock communication controler and front-end electronics system.Adopt this technical scheme, can make bus-bar quantity in PET equipment be reduced to two from three, also make the area of bus-bar reduce 1/3rd simultaneously.Like this, make power supply architecture little, footprint area is little, has realized the modularity of PET device power supply (DPS), makes the power supply of PET device interior safer, and the voltage stability providing is higher.
Accompanying drawing explanation
Structural representation when Fig. 1 is PET device power supply (DPS) keyset application of the present invention.
The specific embodiment
For technical problem, technical scheme and advantage that embodiments of the invention will be solved are clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiments of the invention, for the problem that needs the safety and stability that improves PET device power supply (DPS) in prior art, provide PET device power supply (DPS) keyset, PET device power supply (DPS) and PET equipment that a kind of safety and stability is high.
On the one hand, the invention provides a kind of PET device power supply (DPS) keyset, as shown in Figure 1, this PET device power supply (DPS) keyset 1 comprises that first interface 11, the second interface 12 and the 3rd interface 13, the three interfaces 13 have the first and second inputs, wherein:
The input of first interface 11 is for being connected with PET equipment main power source 2, receive come from PET equipment main power source 2+voltage of 24V～+ 12V;
Between the input of the outfan of first interface 11 and the second interface 12, be connected with the first decompression voltage regulator 14, the input of the second interface 12 is connected to the first input end of the 3rd interface 13 simultaneously, the outfan of the second interface 12, for being connected with the clock communication controler 3 of PET equipment, is provide+5V of clock communication controler 3 voltage;
The outfan that is connected with the second decompression voltage regulator 15, the three interfaces 13 between the second input of the outfan of first interface 11 and the 3rd interface 13, for being connected with the controller 4 of the front-end electronics system of PET equipment, is provide ± 5V of controller 4 voltage.
When application, PET device power supply (DPS) keyset 1 of the present invention is connected to PET equipment main power source 2, then utilizes this PET device power supply (DPS) keyset 1 to power for clock communication controler 3 and controller 4.Adopt this technical scheme, can make bus-bar quantity in PET equipment be reduced to two from three, also make the area of bus-bar reduce 1/3rd simultaneously.Like this, make power supply architecture little, footprint area is little, has realized the modularity of PET device power supply (DPS), makes the power supply of PET device interior safer, and the voltage stability providing is higher.
As shown in Figure 1, the first decompression voltage regulator 14 preferably adopts following structure: comprise that the first chip 141(model is LMZ23610) and the first resistance 142, wherein:
The Vin pin of the first chip 141 is connected to the outfan of first interface 11, the Vout pin of the first chip 141 is connected to the input of the second interface 12, and the FB pin of the first chip 141 can be 5.93K Ω through the first resistance 142(resistance size, the actual resistance series connection that can be respectively 5.6K Ω and 330 Ω by two resistance sizes forms) be also connected to the input of the second interface 12.
Disturb for reducing, between the Vin pin of the first chip 141 and the outfan of first interface 11 and between the Vout pin of the first chip 141 and the input of the second interface 12, be provided with filter circuit.For holding circuit, on the first resistance 142, can also be parallel with the first electric capacity 143(capacitance size can be 4700pF/50V).
Still as shown in Figure 1, the second decompression voltage regulator 15 preferably adopts following structure: comprise that the second chip 151(model is LTM8025), the second resistance 152 and the 3rd resistance 153, wherein:
The Vin pin of the second chip 151 is connected to the outfan of first interface 11, the RT pin of the second chip 151 and ADJ pin can be 93.1K Ω through the resistance size of the second resistance 152 and the 3rd resistance 153(second and the 3rd resistance respectively) be connected to the second input of the 3rd interface 13, the Vout pin ground connection of the second chip 151.
Be similarly to reduce and disturb, between the Vin pin of the second chip 151 and the outfan of first interface 11 and between the Vout pin of the second chip 151 and the second input of the 3rd interface 13, be provided with filter circuit.For reducing costs, the filter circuit between the outfan of first interface 11 and the Vin pin of two chips can share a filter circuit.
The brief description circuit theory of PET device power supply (DPS) keyset of the present invention once below:
As shown in Figure 1, the present invention is the power supply input as PET device power supply (DPS) keyset by PET equipment main power source output 12 ~ 24V, input by first interface, then enter respectively the Vin of chip LTM8025 and LMZ23610 chip by filter circuit, Vin is the input of LTM8025 and LMZ23610 chip.Then LTM8025 chip connects 93.1K resistance realization-5V output by RT and ADJ pin; LMZ23610 chip, by FB pin connecting resistance and electric capacity realizations+5V output, is received PET equipment clock communication controler by the second interface, and-5V and+5V receive the controller in PET front equipment end electronic system by the 3rd interface.
LTM8025 and LMZ23610 chip are the power supply chips that DC turns DC, and they realize input 12 ~ 24V, output-5V and+5V voltage.First interface is LTM8025 and LMZ23610 chip input, and the second interface is+5V outfan, is the power supply of PET equipment clock communication controler, the 3rd interface is-5V and+5V outfan, be the controller power supply in PET front equipment end electronic system.
In the present invention, adapt to for convenience the needs of PET equipment, first interface 11, the second interface 12 and the 3rd interface 13 are JS interface.Certainly can understand, in the present invention, do not limit the concrete structure of this first interface, the second interface and the 3rd interface.
Should be noted that, the structure of above-mentioned the first and second decompression voltage regulators is preferred version, only as example, those skilled in the art can also adopt other various circuit forms of easily expecting, chip also can be replaced by other chips with similar functions, does not all affect the enforcement of technical solution of the present invention.
On the other hand, the present invention also provides a kind of PET device power supply (DPS), comprises PET equipment main power source 2 and above-mentioned PET device power supply (DPS) keyset 1, and concrete structure repeats no more.
On the one hand, the present invention also provides a kind of PET equipment, comprises above-mentioned PET device power supply (DPS) again, and concrete structure repeats no more.
In order to realize the function of power supply of PET equipment, finally introduce the various functions of the power supply to PET equipment of the present invention and the process that key index is tested.The concrete method of implementing comprises:
(1) theory diagram of design PET device power supply (DPS), defines the output of port signal and signal;
(2) according to theory diagram, the circuit board drawing of design apparatus, comprises the flaggy of device, and the layout of size and device, after circuit board making is good, is soldered to circuit board by former device;
(3), after device is made, add the power supply of electrical testing PET equipment, the main power source+24V～+ 12V of test input output ,+5V ,-5V, the main power source that test result shows input and output is all within normal range, and display lamp shows all normal.
To sum up, technical scheme of the present invention has following beneficial effect:
1, designed PET device power supply (DPS) keyset (independently pcb board), this pcb board and PET equipment main power source be used in combination, thereby realized the modularity of PET power supply, realized install succinct, convenient test, it is convenient to change, power supply is stable, the functions such as power supply safety;
2, PET equipment main power source is a Switching Power Supply, and the input voltage providing is an adjustable scope ,+24V～+ 12V, and power volume is little, low price;
3, the large electric current that the second interface current is 12A, power is larger, and except being the controller power supply in the front-end electronics system of PET equipment, can also be other controllers of PET equipment powers as clock communication controler;
4, PET device power supply (DPS) bus-bar quantity is reduced to two (2 that the second interface and the 3rd interface are corresponding) from three (of original design needs-5V ,+5V 2), also makes the area of bus-bar reduce 1/3rd simultaneously.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a PET device power supply (DPS) keyset, is characterized in that, comprises first interface, the second interface and the 3rd interface, and described the 3rd interface has the first and second inputs, wherein,
The input of described first interface is for being connected with PET equipment main power source, reception come from described PET equipment main power source+voltage of 24V～+ 12V;
Between the input of the outfan of described first interface and described the second interface, be connected with the first decompression voltage regulator, the input of described the second interface is connected to the first input end of described the 3rd interface simultaneously, the outfan of described the second interface, for being connected with the clock communication controler of PET equipment, is described provide+5V of clock communication controler voltage;
Between the second input of the outfan of described first interface and described the 3rd interface, be connected with the second decompression voltage regulator, the outfan of described the 3rd interface, for being connected with the controller of the front-end electronics system of PET equipment, is provide ± 5V of described controller voltage.
2. PET device power supply (DPS) keyset according to claim 1, is characterized in that, described the first decompression voltage regulator comprises the first chip LMZ23610 and the first resistance, wherein,
The Vin pin of described the first chip is connected to the outfan of described first interface, the Vout pin of described the first chip is connected to the input of described the second interface, and the FB pin of described the first chip is also connected to the input of described the second interface through described the first resistance.
3. PET device power supply (DPS) keyset according to claim 2, it is characterized in that, between the Vin pin of described the first chip and the outfan of described first interface and between the Vout pin of described the first chip and the input of described the second interface, be provided with filter circuit.
4. PET device power supply (DPS) keyset according to claim 2, is characterized in that, on described the first resistance, is parallel with the first electric capacity.
5. PET device power supply (DPS) keyset according to claim 1, is characterized in that, described the second decompression voltage regulator comprises the second chip LTM8025, second and the 3rd resistance, wherein,
The Vin pin of described the second chip is connected to the outfan of described first interface, the RT pin of described the second chip and ADJ pin are connected to respectively the second input of described the 3rd interface, the Vout pin ground connection of described the second chip through described the second resistance and the 3rd resistance.
6. PET device power supply (DPS) keyset according to claim 5, it is characterized in that, between the Vin pin of described the second chip and the outfan of described first interface and between the Vout pin of described the second chip and the second input of described the 3rd interface, be provided with filter circuit.
7. a PET device power supply (DPS), comprises PET equipment main power source, it is characterized in that, also comprises the PET device power supply (DPS) keyset described in arbitrary claim in claim 1 to 6.
8. a PET equipment, is characterized in that, comprises PET device power supply (DPS) claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210552221.0A CN103860188A (en) | 2012-12-18 | 2012-12-18 | PET (positron emission computed tomography) device power supply adapter plate, PET device power supply and PET device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210552221.0A CN103860188A (en) | 2012-12-18 | 2012-12-18 | PET (positron emission computed tomography) device power supply adapter plate, PET device power supply and PET device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103860188A true CN103860188A (en) | 2014-06-18 |
Family
ID=50899613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210552221.0A Pending CN103860188A (en) | 2012-12-18 | 2012-12-18 | PET (positron emission computed tomography) device power supply adapter plate, PET device power supply and PET device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103860188A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011007693A (en) * | 2009-06-26 | 2011-01-13 | Toshiba Corp | Photomultiplier |
| CN102096088A (en) * | 2010-12-08 | 2011-06-15 | 西北核技术研究所 | Multipath pulse signal acquisition device for use in radiation detection |
| CN203107142U (en) * | 2012-12-18 | 2013-08-07 | 北京大基康明医疗设备有限公司 | Positron emission computed tomography (PET) device power supply adapter plate, PET device power supply and PET device |
-
2012
- 2012-12-18 CN CN201210552221.0A patent/CN103860188A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011007693A (en) * | 2009-06-26 | 2011-01-13 | Toshiba Corp | Photomultiplier |
| CN102096088A (en) * | 2010-12-08 | 2011-06-15 | 西北核技术研究所 | Multipath pulse signal acquisition device for use in radiation detection |
| CN203107142U (en) * | 2012-12-18 | 2013-08-07 | 北京大基康明医疗设备有限公司 | Positron emission computed tomography (PET) device power supply adapter plate, PET device power supply and PET device |
Non-Patent Citations (2)
| Title |
|---|
| 《医用X射线机》编写组 主编: "《医用X射线机原理、构造与维修》", 31 August 1997, 中国医药科技出版社, article "PET系统的线路分析" * |
| 曾海宁 等: "医用PET系统技术概述", 《CT理论与应用研究》, vol. 15, no. 2, 31 May 2006 (2006-05-31) * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101930025B (en) | Power dissipation testing device | |
| CN104215860A (en) | Portable automated testing device and working method thereof | |
| CN203241502U (en) | Control system general testing device based on CPCI bus | |
| US8082027B2 (en) | Portable USB electrocardiograph system and method | |
| CN203107142U (en) | Positron emission computed tomography (PET) device power supply adapter plate, PET device power supply and PET device | |
| CN202033439U (en) | Mobile laboratory | |
| CN204269745U (en) | A kind of Portable multifunctional tester of integrated display screen | |
| CN206675672U (en) | A kind of Nurse Mobile ward inspection chart | |
| CN201532417U (en) | Electric quantity acquisition module | |
| CN103860188A (en) | PET (positron emission computed tomography) device power supply adapter plate, PET device power supply and PET device | |
| CN101858947A (en) | Virtual instrument bus type multifunctional maintenance test device | |
| CN102521107B (en) | Mobile terminal and power consumption information display method and device thereof | |
| CN202149891U (en) | External biochemical detector | |
| CN203608069U (en) | Integrated combined linear power supply | |
| CN210466179U (en) | Intelligent agriculture real-time control system based on FPGA | |
| CN106771000A (en) | A kind of multifunctional food cloud detection system | |
| CN208339513U (en) | Intelligent biological information acquisition system | |
| CN205787993U (en) | A kind of high-precision current source | |
| CN208568931U (en) | A kind of safety initiating explosive device tester | |
| CN203909137U (en) | Liquid crystal module group multipath power supply detection system | |
| CN204882635U (en) | SMARTRACK complete machine cabinet power module's test fixture | |
| CN209912292U (en) | Portable integrated experimental device | |
| CN211578196U (en) | Multifunctional mixed experiment platform | |
| CN217365887U (en) | Modular electrocardio acquisition equipment based on serial interface communication | |
| CN206543174U (en) | A kind of multi-parameter physiology monitoring instrument control mainboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20230825 |
|
| AD01 | Patent right deemed abandoned |