X-ray equipment

Patent metadata

Field	Value
Publication number	US-9374879-B2
Application number	US-201213717081-A
Country	US
Kind code	B2
Filing date	Dec 17, 2012
Priority date	Dec 22, 2011
Publication date	Jun 21, 2016
Grant date	Jun 21, 2016

Abstract

The X-ray equipment related to the embodiment is configured from a plurality of pressure rising units, a switching unit, and a switching control unit. The plurality of pressure rising units are connected to the battery unit and generate direct current voltage. The switching unit switches over the plurality of pressure rising units and supplies direct current voltage to the X-ray generating unit. The switching control unit transmits switching instructions to the switching unit for switching over the pressure rising unit after receiving voltage supply instructions with respect to the X-ray generating unit until said voltage supply instructions terminate. The switching control unit controls discharging of the condenser inside the pressure rising unit switched over by the switching instructions and the control of commencing charging of the condenser inside the pressure rising unit following termination of discharging.

First claim

What is claimed is:

1. X-ray equipment comprising:
a plurality of pressure rising units that are connected to a battery unit and generate direct current voltage, each of the pressure rising units including a condenser;
a switching unit that switches over said plurality of pressure rising units and supplies said direct current voltage to a X-ray generating unit; and
a switching control unit that transmits switching instructions to said switching unit for switching over said pressure rising units after receiving voltage supply instructions with respect to the X-ray generating unit until said voltage supply instructions terminate, wherein
said switching control unit controls the commencing of charging of a condenser that has been discharged to less than a predetermined value in the pressure rising units in parallel to controlling the discharge of a condenser that has been charged to more than the predetermined value inside the pressure rising units by said switching instructions; and
an X-ray tube that generates X-rays; and
a thermoelectricity converter that converts heat energy of the X-ray tube into electrical energy, wherein
said switching control unit uses the electrical energy converted by the thermoelectricy converter for charging of the discharged condenser.

2. The X-ray equipment according to claim 1 , wherein;
when there is more than one charged condenser, said switching control unit decides an order of discharging the plurality of the charged condenser, and when there is more than one discharged condenser, said switching control unit decides an order of charging the plurality of the discharged condenser.

3. The X-ray equipment according to claim 2 , wherein;
said switching control unit confirms the state-of-charge of the condenser per the pressure rising units, and detects the charged condenser and the discharged condenser.

4. The X-ray equipment according to claim 1 , wherein;
said switching control unit changes charge amount of the discharged condenser per the pressure rising unit.

5. The X-ray equipment according to claim 1 , wherein;
said switching control unit changes discharge amount of the charged condenser per the pressure rising unit.

6. The X-ray equipment according to claim 1 , further comprising; a temperature sensor that detects temperature near the X-ray tube, wherein said switching control unit uses the electrical energy converted by the thermoelectricity converter for charging of the discharged condenser depending on the temperature detected by the temperature sensor.

Assignees

• Kuroki Takahiro
• Mizutani Kenji
• Nagai Seiichirou
• Sato Hiroaki
• Toshiba Kk
• Toshiba Medical Sys Corp

Inventors

• Kuroki Takahiro
• Mizutani Kenji
• Nagai Seiichirou
• Sato Hiroaki

Classifications

• H05G1/24 Primary

  Obtaining pulses by using energy storage devices · CPC title

• H05G1/10

  Power supply arrangements for feeding the X-ray tube {(supply circuits with converters in general H02M; supply circuits for emitters and amplifiers H04B1/16 - H04B1/1623)} · CPC title

• H05G1/58

  Switching arrangements for changing-over from one mode of operation to another, e.g. from radioscopy to radiography, from radioscopy to irradiation {or from one tube voltage to another} · CPC title