JPH045145Y2 - - Google Patents
Info
- Publication number
- JPH045145Y2 JPH045145Y2 JP6604784U JP6604784U JPH045145Y2 JP H045145 Y2 JPH045145 Y2 JP H045145Y2 JP 6604784 U JP6604784 U JP 6604784U JP 6604784 U JP6604784 U JP 6604784U JP H045145 Y2 JPH045145 Y2 JP H045145Y2
- Authority
- JP
- Japan
- Prior art keywords
- brake
- raising
- lowering
- capacitor
- brake circuit
- 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.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 claims description 18
- 238000003384 imaging method Methods 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000002594 fluoroscopy Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Description
【考案の詳細な説明】
〔考案の利用分野〕
本考案は、起倒駆動用交流モータや電磁ブレー
キなどのコイルに直流電圧を印加して起倒動ブレ
ーキ動作させるＸ線透視撮影台用起倒動ブレーキ
回路に関するものである。[Detailed description of the invention] [Field of application of the invention] The present invention is a device for raising and lowering an X-ray fluoroscopic imaging table in which the raising and lowering brake is operated by applying a DC voltage to a coil such as an AC motor for raising and lowering and an electromagnetic brake. This relates to a dynamic brake circuit.
従来、この種の起倒動ブレーキ回路は、起倒駆
動用電源である商用電源を降圧させた後、整流し
て直流電圧を得、これを起動作から中立又は倒動
作から中立にしたときに、起倒駆動用の単相交流
モータ（三相交流モータの場合はそれと別個に設
けられた電磁ブレーキ）のコイルに印加して起倒
動ブレーキ動作させるものであつた。
Conventionally, this type of raising/lowering brake circuit steps down the commercial power supply that is the power source for raising/lowering, then rectifies it to obtain a DC voltage, which is then used to convert the DC voltage to neutral from starting operation or neutral from tilting operation. The voltage was applied to the coil of a single-phase AC motor for raising and lowering (in the case of a three-phase AC motor, an electromagnetic brake provided separately from the motor) to operate the raising and lowering brake.
しかしながらこのような従来回路では、前記商
用電源の停電や装置内商用電源線の断線などによ
り起倒駆動々作中に商用電源がしや断状態となつ
たとき、起倒動ブレーキ動作しなくなり、安全性
に劣つた。 However, in such a conventional circuit, when the commercial power supply is cut off during the raising/lowering operation due to a power outage of the commercial power supply or a disconnection of the commercial power line inside the device, the raising/lowering brake does not operate. It was less safe.
本考案は上記のような実情に鑑みてなされたも
ので、ブレーキ回路に入力電源がしや断状態にな
つても起倒動ブレーキが動作し、安全性を向上し
たＸ線透視撮影台用起倒動ブレーキ回路を提供す
ることを目的とする。
The present invention has been developed in view of the above-mentioned circumstances, and the raising/lowering brake operates even if the input power to the brake circuit is cut off, thereby improving safety. The purpose is to provide an overturning brake circuit.
本考案は、起倒駆動用電源を入力電源とするブ
レーキ回路からの直流電圧をコイルに印加して起
倒動ブレーキ動作させるＸ線透視撮影台用起倒動
ブレーキ回路において、前記起倒駆動用電源の投
入により充電されるコンデンサを有し、その充電
後、前記起倒駆動用電源のしや断時に前記コンデ
ンサの充電電圧を前記コイルに印加する予備ブレ
ーキ回路を具備してなり、前記起倒駆動用電源停
電時などでも、起倒動ブレーキ動作するようにし
たものである。
The present invention provides an up/down brake circuit for an X-ray fluoroscopic imaging table that operates the up/down brake by applying a DC voltage from a brake circuit that uses the up/down drive power source as an input power source to a coil. It has a capacitor that is charged when the power is turned on, and after charging the capacitor, it is provided with a preliminary brake circuit that applies the charging voltage of the capacitor to the coil when the power supply for raising and lowering is turned off. The lift/fall brake operates even in the event of a power outage for the drive.
以下第１図及び第２図を参照して本考案の実施
例を説明する。第１図は本考案によるＸ線透視撮
影台用起倒動ブレーキ回路が適用された起倒駆動
回路の一例を休止状態において示す図で、図中
l1，l2は補助電磁接触器5KXの接点5KX1a，
5KX2aを介して商用電源AC100Vに接続された電
源線、IMは起倒用のコンデンサ始動単相誘導電
動機（以下、起倒用モータという）である。この
場合、前記補助電磁接触器5KXはＸ線透視撮影
台（図示せず）に電源投入することにより動作す
る。
Embodiments of the present invention will be described below with reference to FIGS. 1 and 2. FIG. 1 is a diagram showing an example of the raising/lowering drive circuit in a rest state to which the raising/lowering brake circuit for an X-ray fluoroscopic imaging table according to the present invention is applied.
l 1 and l 2 are the contacts of the auxiliary magnetic contactor 5KX 5KX 1a ,
The power line connected to the commercial power supply AC100V via 5KX 2a , IM is a capacitor-started single-phase induction motor for hoisting (hereinafter referred to as the hoisting motor). In this case, the auxiliary electromagnetic contactor 5KX is operated by turning on the power to the X-ray fluoroscopy table (not shown).
前記起倒用モータIMの一方のコイル側の一端
は図示しない起倒操作器の起操作時に動作する電
磁接触器1KPの接点1KP1aを介して電源線l1に接
続されると共に上記起倒操作器の倒操作時に動作
する電磁接触器2KPの接点2KP3aを介して電源線
l2に接続され、他端は上記電磁接触器1KPの接点
1KP3aを介して電源線l2に接続されると共に上記
電磁接触器2KPの接点2KP1aに接続される。同じ
くコイル側の一端は、前記起倒操作器を起操作か
ら中立、又は倒操作から中立に戻したときに数秒
間動作する電磁接触器3KPの接点3KP1b及び前記
電磁接触器1KPの接点1KP2aを直列に介して電源
線l1に接続され、他端は前記電磁接触器3KPの接
点3KP2bを介して電源線l2に接続される。この場
合、前記接点1KP2aには前記電磁接触器2KPの接
点2KP2aが並列接続されている。 One end of one coil side of the lifting motor IM is connected to the power supply line l 1 via a contact point 1KP 1a of an electromagnetic contactor 1KP that operates when a lifting operation device (not shown) is operated. Connect the power line through the contact 2KP 3a of the electromagnetic contactor 2KP that operates when the device is tipped over.
l 2 , and the other end is the contact of the above magnetic contactor 1KP.
It is connected to the power line l2 via 1KP 3a , and is also connected to the contact point 2KP 1a of the electromagnetic contactor 2KP. Similarly, one end on the coil side is a contact 3KP 1b of the electromagnetic contactor 3KP, which operates for several seconds when the tilting operation device is returned from the raising operation to the neutral position or from the tilting operation to the neutral position, and a contact point 1KP 2a of the electromagnetic contactor 1KP. are connected in series to the power line l1 , and the other end is connected to the power line l2 via the contact 3KP2b of the electromagnetic contactor 3KP. In this case, the contact 2KP 2a of the electromagnetic contactor 2KP is connected in parallel to the contact 1KP 2a .
１１はブレーキ回路で、商用電源を降圧、例え
ば25Vに降圧した後、整流して得られた直流電圧
を、前記電磁接触器3KPの接点3KP1a，3KP2aを
介して前記起倒用モータIMの主コイルに印加す
るように構成されている。 Reference numeral 11 denotes a brake circuit, which lowers the voltage of the commercial power supply, for example, to 25V, and then rectifies the resulting DC voltage to the motor IM for raising/lowering via the contacts 3KP 1a and 3KP 2a of the electromagnetic contactor 3KP. The voltage is configured to be applied to the main coil.
１２は予備ブレーキ回路で、ここではコンデン
サＣ、抵抗Ｒ、ダイオードＤおよび前記電磁接触
器5KXの接点5KX3a，5KX1bを備えてなる。この
場合、前記接点5KX3a、ダイオードＤ、抵抗Ｒお
よびコンデンサＣは順次直列に接続されて電源線
l1，l2間に介挿されており、また前記接点5KX1b
は抵抗Ｒ及びコンデンサＣの接続点と前記接点
3KP1b及び1KP2aの接続点との間に接続される。 Reference numeral 12 denotes a preliminary brake circuit, which here includes a capacitor C, a resistor R, a diode D, and contacts 5KX 3a and 5KX 1b of the electromagnetic contactor 5KX. In this case, the contact 5KX 3a , the diode D, the resistor R, and the capacitor C are connected in series to the power supply line.
It is inserted between l 1 and l 2 , and the contact 5KX 1b
is the connection point of resistor R and capacitor C and the contact point
Connected between the connection points of 3KP 1b and 1KP 2a .
次に上述本考案回路の動作について説明する。
まず、Ｘ線透視撮影台に電源投入すると、補助電
磁接触器5KXが動作する。従つて、接点5KX1a，
5KX2aが閉じ、起倒動作準備状態に設定されると
共に、接点5KX3aも閉じ、電流がダイオードＤ及
び抵抗Ｒを通つてコンデンサＣに流れ、これを充
電する。 Next, the operation of the above-described circuit of the present invention will be explained.
First, when power is turned on to the X-ray fluoroscopy table, the auxiliary electromagnetic contactor 5KX operates. Therefore, contact 5KX 1a ,
5KX 2a is closed, setting the state to be ready for raising/lowering operation, and the contact 5KX 3a is also closed, allowing current to flow through diode D and resistor R to capacitor C, charging it.
この状態から、起倒操作器を操作すると、その
起又は倒操作に応じて電磁接触器1KP又は2KPが
動作し、接点1KP1a，1KP2a，1KP3a又は2KP1a，
2KP2a，2KP3aが閉じ、起倒用モータIMを正転又
は逆転して起又は倒動する。 When the tilting operation device is operated from this state, the electromagnetic contactor 1KP or 2KP operates according to the raising or tilting operation, and the contacts 1KP 1a , 1KP 2a , 1KP 3a or 2KP 1a ,
2KP 2a and 2KP 3a close, and the raising/lowering motor IM rotates forward or reverse to raise or lower.
また、起倒操作器を起操作から中立又は倒操作
から中立に戻したときには、数秒間、電磁接触器
3KPが動作し、接点3KP1b，3KP2bが開くと共に
接点3KP1a，3KP2aが閉じる。従つて、その間、
起倒用モータIMにブレーキ回路１１からの直流
電圧が印加され、ブレーキ動作される。 In addition, when the tilting controller is returned from the raising operation to neutral or from the tilting operation to neutral, the electromagnetic contactor
3KP operates, contacts 3KP 1b and 3KP 2b open, and contacts 3KP 1a and 3KP 2a close. Therefore, in the meantime,
A DC voltage from the brake circuit 11 is applied to the raising/lowering motor IM to perform a braking operation.
次に、起倒動作中に停電などにより商用電源が
しや断状態となると、補助電磁接触器5KXが動
作停止し、接点5KX1a，5KX2a，5KX3aが開くと
共に接点5KX1bが閉じる。従つて、コンデンサＣ
−接点5KX1b−接点3KP1b−起倒用モータIM−
接点3KP2b−コンデンサＣなる閉回路が形成さ
れ、コンデンサＣの充電電圧が起倒用モータIM
に印加され、ブレーキ動作される。 Next, when the commercial power supply is cut off due to a power outage or the like during the raising/lowering operation, the auxiliary electromagnetic contactor 5KX stops operating, contacts 5KX 1a , 5KX 2a , and 5KX 3a open, and contact 5KX 1b closes. Therefore, capacitor C
- Contact 5KX 1b - Contact 3KP 1b - Lifting motor IM -
Contact 3KP 2b - A closed circuit called capacitor C is formed, and the charging voltage of capacitor C is applied to the lifting motor IM.
is applied and the brake is operated.
第２図は本考案回路の他の実施例を示す図で、
起倒動ブレーキを電磁ブレーキにより行う場合を
例示している。この第２図において、２１はブレ
ーキ回路、２２はコンデンサＣ、ダイオードＤ及
び抵抗Ｒからなる予備ブレーキ回路、1KPbは起
操作時に動作する電磁接触器1KPの接点、2KPb
は倒操作時に動作する電磁接触器2KPの接点、
IBRは電磁ブレーキのコイルである。 FIG. 2 is a diagram showing another embodiment of the circuit of the present invention,
A case is illustrated in which the up/down brake is performed using an electromagnetic brake. In this figure 2, 21 is a brake circuit, 22 is a preliminary brake circuit consisting of a capacitor C, a diode D, and a resistor R, 1KP b is a contact of the electromagnetic contactor 1KP that operates at the time of starting operation, and 2KP b
The contact point of the electromagnetic contactor 2KP that operates when it is tilted,
IBR is an electromagnetic brake coil.
この場合には、Ｘ線透視撮影台の電源投入によ
り直流電圧が出力されるブレーキ回路２１により
コンデンサＣが充電され、停電時などで商用電源
がしや断したときに、その充電電圧が電磁ブレー
キコイルIBRに印加され、ブレーキ動作されるも
のである。なお、起倒操作器が非操作中立状態に
ある場合は、ブレーキ回路２１の出力端−接点
2KPb−接点1KPb−電磁ブレーキコイルIBR−ブ
レーキ回路２１なる閉回路が形成され、ブレーキ
動作している。この状態から起倒操作器を起又は
倒操作すると、接点1KPb又は2KPbが開き、ブレ
ーキ解除される。 In this case, the capacitor C is charged by the brake circuit 21 which outputs a DC voltage when the X-ray fluoroscopy table is powered on, and when the commercial power supply is cut off due to a power outage, the charged voltage is applied to the electromagnetic brake. This is applied to the coil IBR to perform a brake operation. In addition, when the tilting operation device is in the non-operating neutral state, the output end of the brake circuit 21 - contact
A closed circuit consisting of 2KP b - contact 1KP b - electromagnetic brake coil IBR - brake circuit 21 is formed, and the brake is operating. When the raising/lowering operation device is raised or lowered from this state, contact 1KP b or 2KP b opens and the brake is released.
以上述べたように本考案は、起倒駆動用電源を
入力電源とするブレーキ回路からの直流電圧をコ
イルに印加して起倒動ブレーキ動作させるＸ線透
視撮影台用起倒動ブレーキ回路において、前記起
倒駆動用電源の投入により充電されるコンデンサ
を有し、その充電後、前記起倒駆動用電源のしや
断時に前記コンデンサの充電電圧を前記コイルに
印加する予備ブレーキ回路を具備してなるので起
倒駆動用電源（通常は商用電源）が停電などでし
や断しても起倒動ブレーキが動作し、安全性が向
上するという効果がある。
As described above, the present invention provides an up/down brake circuit for an X-ray fluoroscopy table that operates the up/down brake by applying a DC voltage from the brake circuit whose input power is the up/down drive power source to the coil. It has a capacitor that is charged when the power supply for raising/lowering drive is turned on, and a preliminary brake circuit that applies the charging voltage of the capacitor to the coil when the power supply for raising/lowering drive is turned off after being charged. Therefore, even if the power source for raising and lowering the vehicle (usually a commercial power supply) is interrupted due to a power outage, the raising and lowering brake will operate, improving safety.
第１図は本考案によるＸ線透視撮影台用起倒動
ブレーキ回路が適用された起倒駆動回路の一例を
示す図、第２図は本考案回路の他の実施例を示す
図である。
１１，２１……ブレーキ回路、１２，２２……
予備ブレーキ回路、Ｄ……ダイオード、Ｒ……抵
抗、Ｃ……コンデンサ、l1，l2……電源線、IM…
…起倒用モータ、IBR……電磁ブレーキコイル、
1KP1a〜3a,b；2KP1a〜3a,b；3KP1a,2a,1b,2b；
5KX1a〜3a,1b……電磁接触器接点。
FIG. 1 is a diagram showing an example of a raising/lowering drive circuit to which the raising/lowering brake circuit for an X-ray fluoroscopic imaging table according to the present invention is applied, and FIG. 2 is a diagram showing another embodiment of the circuit according to the present invention. 11, 21... Brake circuit, 12, 22...
Preliminary brake circuit, D...diode, R...resistor, C...capacitor, l1 , l2 ...power line, IM...
...lifting motor, IBR...electromagnetic brake coil,
1KP 1a~3a,b ; 2KP 1a~3a,b ; 3KP 1a,2a,1b,2b ;
5KX 1a~3a,1b ...Magnetic contactor contact.
Claims (1)
からの直流電圧をコイルに印加して起倒動ブレー
キ動作させるＸ線透視撮影台用起倒動ブレーキ回
路において、前記起倒駆動用電源の投入により充
電されるコンデンサを有し、その充電後、前記起
倒駆動用電源のしや断時に前記コンデンサの充電
電圧を前記コイルに印加する予備ブレーキ回路を
具備することを特徴とするＸ線透視撮影台用起倒
動ブレーキ回路。 In an up/down brake circuit for an X-ray fluoroscopic imaging table that operates the up/down brake by applying a DC voltage from a brake circuit that uses the up/down drive power source as an input power source to a coil, when the power source for up/down drive is turned on, An X-ray fluoroscopic imaging stand comprising a capacitor to be charged, and a preliminary brake circuit for applying a charging voltage of the capacitor to the coil when the power source for raising/lowering drive is cut off after charging the capacitor. Lifting and tilting brake circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6604784U JPS60177809U (en) | 1984-05-08 | 1984-05-08 | Lifting and tilting brake circuit for X-ray fluoroscopy table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6604784U JPS60177809U (en) | 1984-05-08 | 1984-05-08 | Lifting and tilting brake circuit for X-ray fluoroscopy table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60177809U JPS60177809U (en) | 1985-11-26 |
| JPH045145Y2 true JPH045145Y2 (en) | 1992-02-14 |
Family
ID=30598587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6604784U Granted JPS60177809U (en) | 1984-05-08 | 1984-05-08 | Lifting and tilting brake circuit for X-ray fluoroscopy table |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60177809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010029709A (en) * | 2009-11-10 | 2010-02-12 | Toshiba Corp | Bed apparatus |
-
1984
- 1984-05-08 JP JP6604784U patent/JPS60177809U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010029709A (en) * | 2009-11-10 | 2010-02-12 | Toshiba Corp | Bed apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60177809U (en) | 1985-11-26 |
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