JP3387545B2 - Light source device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTION The present invention relates to an illumination device connected to an endoscope.
The present invention relates to a light source device that outputs bright light. [0002] 2. Description of the Related Art Conventionally, illumination light has been supplied to an endoscope.
Light source devices such as xenon lamps
Light source through this heat sink
The configuration is such that power is supplied to the lamp.
You. In a light source device having such a structure, a light source lamp is used.
When replacing the lamp, open the lamp replacement door and replace the light source lamp.
Take it out with the heat sink and replace the light source lamp
I'm trying. Therefore, when the lamp replacement door is opened, the light source
The heatsink that can supply power to the pump is exposed,
Power supply to the heat sink when the lamp replacement door is opened
An interlock switch to stop supply is provided.
You. In addition, a capacitor connected in parallel to the light source lamp
To discharge the electric charge stored in the
Interlock switch is also provided. FIG. 77 shows a lamp point in a conventional light source device.
1 shows a schematic configuration of a lamp circuit. In this lamp lighting circuit,
Commercial power supply 1 uses fuse 2 and interlock switch 3
To the switching power supply 4 which is a lamp power supply circuit
It is to be continued. This interlock switch
Chi 3 is linked with the lamp replacement door, and the lamp replacement door
When opened, cut off the circuit and switch to switching power supply 4
Power supply is cut off. Switching power
In the source 4, a transformer 5 composed of an inverter transformer is provided.
The transformer 5 has a primary circuit and a secondary circuit.
The next circuit is reinforced insulated for safety. switch
Output of the switching power supply 4 generates high voltage when the lamp is turned on
To xenon lamp 7 via starter 6
Have been. Between switching power supply 4 and starter 6
Discharges the charge of the capacitor provided in the secondary circuit
Discharge resistor 8 and interlock switch 9 are connected between both poles.
Has been continued. The interlock switch 9 is
Interlocking with the lamp replacement door like the turlock switch 3
Short when the lamp replacement door is opened.
The electric resistance 8 is connected to the secondary circuit, and is stored in the secondary circuit.
To discharge a charge. [0004] SUMMARY OF THE INVENTION The above-described conventional light source device
The interlock switch 3 provided on the primary side
Is to directly cut off the power line in the primary circuit.
Yes, it was large and required a lot of space. Also,
Capacitor provided in secondary circuit when replacing lamp
To prevent electric shock due to
Switch 9 is also required, which also requires space.
I was [0005] Furthermore, failure of the interlock switch
Therefore, the switching should be performed so as not to impair the safety.
The transformer 5 of the power supply 4 needs to have a reinforced insulation structure.
Insulation between primary and secondary circuits required by safety standards
To ensure this, the creepage distance between each winding should be at least 8 mm,
Separation must be 5mm or more, which increases the size of the transformer
There was a problem that would. That is, as shown in FIG.
In the lance 5, the primary winding 11, the secondary winding 1
In order to secure the creepage distance between the windings of
3. It is necessary to increase the width of the spacer tape 14,
The lance was getting bigger. As described above, the interlock switch is set.
Requires a lot of space to mount
As the size of the road transformer increases, the light source
It was difficult to construct a mold. [0007] The present invention has been made in view of these circumstances.
The lamp can be replaced by a replacement person.
The starter and lamp of the secondary circuit
Insulation distance between the connection electrodes and the value specified by the safety standard
Separation can be maintained while maintaining direct contact with live parts
To prevent accidents and improve safety.
Switch is unnecessary and the transformer insulation structure is simplified.
Light that can be simplified and can reduce the size of the device
It is intended to provide a source device. [0008] A light source device according to the present invention.
IsConnect to power supply via starter to generate high voltage
With light source lamp continued,Housing housing this light source lamp
When,A door detachably attached to the housing;,This door
When the light source lamp and the star are removed from the housing,
Separation means for electrically separating theWith
You. [0009] [Operation]Power through starter to generate high voltage
When the light source lamp connected to the
A door is detachably attached to this housing, and this door is
When detached from the housing, the light source lamp is separated by separating means.
And the starter are electrically separated. [0010] Embodiments of the present invention will be described below with reference to the drawings.
I do. 1 to 9 relate to a first embodiment of the present invention.
1 is a side sectional view showing a configuration of a lamp house portion of the light source device,
FIG. 2 is a circuit diagram showing a configuration of a lamp lighting circuit in the light source device.
FIG. 3 shows a light source lamp and a heat sink holding the lamp.
FIG. 4 shows a configuration of a second lamp replacement door.
FIG. 5 is a perspective view of the lamp house of FIG. 1 viewed from above.
FIG. 6 shows an electric contact to which the second lamp replacement door is fitted.
FIG. 7 is a perspective view showing the configuration of the unit, and FIG.
FIG. 8 is an explanatory sectional view showing a fitting state of the replacement door with the conductive part, and FIG.
Lamp house with the second lamp replacement door removed
Perspective view showing appearance, FIG. 9 shows heat sink removed
It is explanatory drawing which looked at the lamp house part of a state from the front. As shown in FIG. 1, the light source device 2 of the present embodiment
1 is connected to an endoscope (not shown) and
From the xenon lamp 22 as the arranged light source lamp
Can be supplied to the endoscope. xenon
The lamp 22 includes a heat sink 2 capable of supplying power to the lamp.
3 and the fixed knob 24
Attached to and detached from the conductive heat sink support rod 25
Mounted freely. The heat sink 23
As shown in FIG. 3, the groove portion 26 is provided in an L shape,
Cooling fan 27 provided behind the lamp house
The air sent from the air flows downward from the side and runs
I came out of the duct 28 at the lower part of the plume
I have. Thereby, the xenon lamp 22 and the heat sink
The work 23 is cooled. A light source lamp is provided in a housing 29 of the light source device 21.
The first lamp replacement door 30 that opens and closes when replacing the door is fixed.
It is fixed by a knob 31. Also, the first ramp exchange
Inside the replacement door 30, there is a xenon lamp 22 and a heat sink.
Cover the front of the lamp unit 32 composed of
A second lamp replacement door 33 is provided. Second ramp exchange
The replacement door 33 is a substantially L-shaped insulating member as shown in FIG.
The second lamp replacement door 33 is pulled on the front surface.
A handle 34 is provided for gripping when taking out. This
The handle 34 attaches the first lamp replacement door 30 to the housing 29.
When pressed, it comes into contact with the first lamp replacement door 30 and pushes in
The second lamp replacement door 33 is fixed inside the lamp house.
It is supposed to be. The second lamp replacement door 33
Is a lamp house book made of insulating material when installed.
The upper surface is inserted along the guide insertion hole of the body 37.
Swelling. At the end of the upper surface of the second lamp replacement door 33
Is provided with a conductive pattern 35,
When the replacement door 33 is installed, it is installed at the upper rear of the lamp house.
The electric contact part 36 is fitted to the
The two electrical contacts are made conductive. In addition,
2 When the lamp replacement door 33 is pulled out from the lamp house
Can not touch the lamp unit 32 inside
As shown, both sides of the front part are bent to the side,
The material has a shape that extends to the front side. Here, referring to FIG.
The lamp lighting circuit will be described. Lamp lighting circuit
The commercial power supply 41 is connected to the lamp power supply via the fuse 42.
So that it is connected to the switching power supply 43 which is the source circuit.
Has become. The switching power supply 43 includes an inverter
A transformer 44 including a transformer is provided. Sui
The secondary output of the switching power supply 43
Xenon lamp via starter 45 for generating
22. This starter 45 and Xenon La
Between the output of both poles of the starter 45 and the
At least a certain insulation distance from the electrode of the non-lamp 22
And an electrode separating portion 46 for separating the electrodes at a certain interval is provided.
You. In the present embodiment, the electrodes of the xenon lamp 22 are electrically connected to each other.
The electrical contact portion 36 connected to the heat sink 23
In this case, an electrode separating section 46 is formed. The electric contact portion 36 is formed as shown in FIG.
Then, the electric wire 47 from the starter 45 is connected to one of the electric contacts.
And the other electrical contact is connected to the heat
It is connected to the sink support rod 25 and
It is designed to be electrically conductive. Same for the other electrode
Similarly, the electric wire 47 from the starter 45 is
It is connected to the heat sink support rod 25 through an electric wire 48.
And electrically connected to the heat sink 23
I have. Here, the second lamp replacement door 33 is pushed backward.
The upper part of the second lamp replacement door 33
Conductive pattern 35 provided in
The electrical contact between the two electrodes of the electrical contact portion 36
Power to the lamp unit 32
You. The electric contact portion 36 is an insulating member as shown in FIG.
Two pairs vertically opposed to the configured contact support member 49
Electrical contacts 50, 51 are fixed with fixing screws 52, 53.
ing. The electric contacts 50 and 51 are made of elastic members.
7, the upper end of the second lamp replacement door 33
When the part is inserted, the two opposite contacts 50a and 50b
It is pushed open and formed on both sides of the end of the second lamp replacement door 33.
The two contact points are electrically connected by pressure contact with the
It is designed to conduct. The second lamp replacement door 3
3 was removed and the circuit was separated at the electrical contact section 36
The insulation distance at this time depends on the distance between the electrical contacts 50 and 51.
It will be stipulated. Next, the operation of this embodiment will be described.
The switching power supply 43 connected to the commercial power supply 41
Power is supplied to the xenon lamp 22 via the tarta 45
Then, the xenon lamp 22 is turned on to transmit the illumination light to the endoscope.
Supply. The xenon lamp 22 becomes dark due to its life.
Replace the lamp if it stops or does not turn on
However, when replacing the lamp, the lamp exchanger must first
Door fixing knob 3 for fixing the replacement door 30 to the housing 29
Turn 1 to remove the first lamp replacement door 30. At this time
In this regard, the lamp unit 32 is electrically conductive and active.
The second lamp replacement door, which is in the electrical state but has insulating properties
Heat that is covered by 33 and is a live part
It has a structure that cannot touch the sink 23 etc.
You. Next, the second lamp replacement door 33 is removed.
The lamp unit 32 is exposed. Second lamp replacement door 3
FIG. 8 shows a state where 3 has been removed. Lamp house 3
7 is inserted through the insertion hole opening 38 of the lamp unit 32.
The second lamp replacement door 33 covering the front of the
The heat sink 23 of the lamp unit 32 is exposed.
To be removable. At this time, the second ramp
When the replacement door 33 is pulled out, the conductive pad formed at the end is replaced.
The turn 35 is pulled out of the electrical contact portion 36 and the electrical contact portion
The circuit between the two pairs of electrical contacts 50 and 51 at 36
Separated. Thereby, the electric wire 47 from the starter 45
And heat sink 23 and xenon lamp after electric wire 48
22 means that the electrical distance between the electrical contacts 50 and 51 is maintained.
Is electrically insulated and power supply to the heat sink 23 is cut off
It is. Here, the distance between the electric contacts 50 and 51 is a safety standard.
It is a value longer than the insulation distance specified in. Also, conductive
The pattern 35 is located between the electrical contacts 50 and 51 and the insulation distance or less.
You can touch the heat sink 23 until it leaves
So that there is no heat at the front of the side of the second lamp replacement door 33.
The tosink 23 is covered. The lamp exchanger fixes the heat sink.
The fixing is released by turning the knob 24 and the heat sink 23 is released.
And the xenon lamp 22 was removed from the light source device.
Thereafter, the xenon lamp 22 is replaced. At this time, exchange
The heat sink 23 touched by the user is electrically separated from the power supply.
There is no fear of electric shock. Remove the lamp unit 32
FIG. 9 shows the state after the completion. Located in the back of the lamp house
Heat sink inserted into the inserted heat sink support rod 25
23 can be attached. Also, Xeno
When the lamp 22 is on, the heat sink support
The cooling fan 27 provided on the rear side of the holding rod 25
Air is sent to the tosink 23, and this air is
Through the duct 28 provided in the lamp unit 32
Is cooled. Also, the upper surface of the second lamp replacement door 33 is
The insertion hole opening 38 for the guide to be inserted is
Test pins 55 shown in FIG. 10 and FIG.
Internal electrical contacts with the test finger 56 shown in FIG.
For example, if you cannot touch the live parts such as 36,
The opening area has a width of 3 mm or less. This allows
Since the depth to the electrical contact part 36 is sufficient,
Unless an elongated rod is inserted,
It is impossible to touch and there is no danger of electric shock. After replacing the lamp, the second lamp replacement door 33 is inserted.
Insertion of the guide of the lamp house body 37 through the opening 38
By inserting the lamp replacement door 3 along the entrance hole,
The third conductive pattern 35 is the electrical contact 5 of the electrical contact portion 36.
0, 51, and the starter 45 and the heat sink 23
The xenon lamp 22 and the xenon lamp 22
Is turned on. Further, a first lamp replacement door 30 is provided.
When the first lamp replacement door 30 is attached to the second lamp,
A second run is performed by contacting a handle 34 provided on the replacement door 33.
The replacement door 33 is pushed in and the electrical contact 3
6 can be prevented from coming off at the electrical contacts 50 and 51. As described above, the conductive pattern is provided on the lamp replacement door.
When the lamp replacement door is attached or detached, the conductive pattern
The starter is connected to the air contact
Configure an electrode separator to separate the circuit between the lamp electrodes.
This makes it easier and more reliable when replacing the lamp.
Link and light source lamp can be insulated. Also electric
Because the contacts are located inside the lamp house opening,
Live parts such as contact points cannot be touched,
You. Therefore, when replacing the lamp,
Can touch lamp unit such as heat sink
When it is in the state, the lamp unit is IEC, UL, etc.
Secures a distance longer than the insulation distance stipulated by safety standards
Is separated, and there is no danger of electric shock.
You. Also, the parts that can be touched when replacing the lamp are
The lamps can be turned on and off to secure the edge distance and ensure separation.
The insulation transformer in the switching power supply on the road has a reinforced insulation structure.
It is not necessary to reduce the size of the transformer. Further
In addition, the lamp unit is electrically isolated,
Lamp replacement, which was previously necessary because flow is not a problem
Interlock switch to sometimes shut off the primary circuit
Becomes unnecessary. Also, the capacitor provided in the secondary circuit
Discharge interface to prevent electric shock due to
Separate circuit after starter for lock switch
By eliminating the need for a small micro switch.
It only needs to stop the oscillation of the switching power supply. this
Thus, the size of the device can be reduced. FIGS. 12 to 15 show a second embodiment of the present invention.
FIG. 12 shows a configuration of a lamp house portion of the light source device.
FIG. 13 is a side sectional view showing the electric connection of the second lamp replacement door.
FIG. 14 is a perspective view showing a configuration of a contact portion, and FIG.
Explanatory cross-sectional view showing a fitted state of the lamp replacement door with a conductive part,
FIG. 15 is a perspective view showing a modification of the second lamp replacement door.
You. In the second embodiment, the conductive property of the second lamp replacement door is
Example of changing the configuration of the part and the electrical contact part to which it fits
It is. As shown in FIG. 12, the second lamp replacement door 6
Reference numeral 1 is a substantially L-shaped insulating member as in the first embodiment.
The metal bar 62 is provided at the end of the upper surface portion.
Have been. This metal rod 62 is fitted with the electric contact part 63,
Make sure that the circuit between the starter and the heat sink is conducting
Has become. Other configurations are the same as those of the first embodiment,
Description is omitted. As shown in FIG.
And a three-system conductive pattern for each electrode on the substrate 64.
66 is formed, and the conductive pattern 66 is formed.
A round terminal with a wire 47 from the starter crimped on one end is fixed.
One end of the conductive pattern 66 fixed by the fixing screw 65
And the electric wire 47 are conducting. In addition, the substrate 64
Tosink 23 comes into contact with it
And the other end of the conductive pattern 66 is connected to the heat sink 23
And conducts with the electrodes of the xenon lamp 22.
ing. The conductive pattern 66 is formed on the substrate 64.
Are separated by the insertion hole 67.
The metal bar 62 of the second lamp replacement door 61 fits into the
As a result, both ends of the conductive pattern 66 become conductive.
I have. Here, the second lamp replacement door 61 has
Three metal rods 62 are provided on the electrode. sand
That is, as shown in FIG.
Pattern on the side like the through hole shape in 7
Is provided, and the metal bar 62 is pressed against the
The conductive pattern 66 is made conductive. Also,
A slot is provided in the insertion hole 67, and the metal rod 62 is provided.
Ensures the creepage distance when the vehicle comes off. In addition, metal rod
62 is a second lamp replacement door 68 of the modification shown in FIG.
As described above, one electrode may be provided for each electrode.
Alternatively, any number may be provided according to the current capacity. As in the first embodiment, the replacement of the light source lamp is performed.
When removing the second lamp replacement door 61, remove the electrical contact
At 63, the circuit between the starter and the heat sink is separated.
You. When the second lamp replacement door 61 is attached,
The conductive pattern in which the metal rod 62 is inserted into the insertion hole 67 and separated therefrom.
The continuity at both ends of the lamp 66 is established, and power is supplied to the light source lamp.
Supplied. On the other hand, the second lamp replacement door for lamp replacement
When the 61 is removed, the metal bar 62 is pulled out with it.
Therefore, both ends of the conductive pattern 66 are separated. At this time
Insulation distance depends on the space distance between patterns and slits.
Is secured by the secured creepage distance. As described above, also in this embodiment, the first embodiment
As with the example, with a simple configuration,
Danger can be prevented and safety can be maintained.
Size and eliminate the need for interlock switches.
Can be. Also, in this embodiment, it is connected to the starter.
Conductive pattern directly connected to the heat sink.
Therefore, the wiring can be simplified. Also, insert the board
Insert a metal rod into the hole to establish conduction between the conductive patterns
This eliminates the need for members such as contacts,
This leads to simplification and downsizing. In addition, increase the number of metal rods
By doing so, it can handle lamps that require a large current.
You. FIGS. 16 to 18 show a third embodiment of the present invention.
FIG. 16 shows the structure of the lamp house of the light source device.
FIG. 17 is a perspective view showing the configuration of the second lamp replacement door.
FIG. 18 is a perspective view, and FIG. 18 is an electrical contact portion and a conductive portion of the second lamp replacement door.
It is explanatory drawing which shows the fitting state with. In the third embodiment, the conductive property of the second lamp replacement door is also changed.
Example of changing the configuration of the part and the electrical contact part to which it fits
It is. As shown in FIGS. 16 and 17, the second run
The replacement door 71 has a substantially L-shaped insulation as in the first embodiment.
And a second lamp replacement door 71 on the upper surface.
A fixing knob 72 for fixing the unit is rotatably provided.
ing. The fixing knob 72 is made of an insulating member.
A conductive portion 73 is provided at the other end. Also starter
A metal rod 75 to which the electric wire 47 is connected is provided.
It is connected to the electric wire 47 by a constant screw 74. on the other hand,
The heat sink 23 is a conductive support rod 76 made of metal or the like.
And are electrically connected. The fixed tub
The conductive part 73 provided at the end of the mami 72
And starter and heat
The circuit between the sink and the sink is made conductive. That
The other configuration is the same as that of the first embodiment, and the description is omitted. The conductive portion 73, the metal bar 75 and the support bar 76
The configured electrical contacts are configured as shown in FIG.
ing. The ends of the metal rod 75 and the support rod 76 have concave end faces.
It is formed to be planar, while the conductive portion 73
Both ends are formed with convex end surfaces. Second lamp replacement
When the fixing knob 72 of the door 71 is rotated,
The electric part 73 rotates, and the end faces of the metal rod 75 and the support rod 76
Fit so as to make pressure contact. Thereby, the metal rod 75 and the support
The holding rod 76 is electrically connected. Like this gold
When the connecting rod 75 and the supporting rod 76 are in a conductive state, the conductive portion 73
The fixed knob 72 linked to the
Lamp replacement door 71 is fixed to the lamp house body 37.
It is supposed to be. The metal rod 75 and the support rod 76
The insulation distance specified by the safety standard is secured between
I have. As in the first embodiment, replacement of the light source lamp is performed.
At this time, remove the second lamp replacement door 71, and
Isolate circuits between heat sinks. With the fixing knob 72
The second lamp replacement door 71 is fixed to the lamp house body 37.
When it is fixed and attached, the end of the fixed knob 72
The conductive part 73 is fitted to the metal rod 75 and the support rod 76 and
The metal rod 75 and the support rod 76 are electrically connected, and the light source
Power is supplied to the lamp. Meanwhile, for lamp replacement
When the fixing knob 72 is rotated to the horizontal position,
The knob 72 is removed from the groove of the lamp house main body 37.
The two-lamp replacement door 71 can be removed. At the same time
In addition, the conductive portion 73 interlocked with the fixing knob 72 is a metal rod.
75 and the support rod 76, and the metal rod 75 and the support rod 7
6 are electrically separated from each other. The second lamp replacement door 71
Removed so that the exchanger can contact the lamp electrode
The support rod 76 connected to the heat sink 23 is a metal rod
75 with a certain insulation distance.
There is no danger. As described above, also in this embodiment, the first embodiment
As with the example, with a simple configuration,
Danger can be prevented and safety can be maintained.
Size and eliminate the need for interlock switches.
Can be. In this embodiment, the support rod 76 is heated.
Fixing the sink and conductor for supplying current to the light source lamp
Therefore, the device configuration can be further simplified. Also, fixed
Mami 72 is energized to the light source lamp in conjunction with the conductive portion.
At the same time, the second lamp replacement door can be fixed,
Secures the lamp replacement door to protect the lamp unit
can do. FIGS. 19 to 25 show a fourth embodiment of the present invention.
FIG. 19 is a schematic diagram of a lamp house section according to a fourth embodiment.
FIG. 20 is an explanatory view showing the configuration, and FIG. 20 shows the configuration of the lamp unit.
Fig. 21 shows the lamp unit viewed from the anode side.
FIG. 22 shows the lamp unit viewed from the cathode side.
FIG. 23 shows the lamp replacement door and the lamp unit protection.
FIG. 24 is a perspective view showing a configuration of a holding member, and FIG.
FIG. 25 is a side sectional view, and FIG.
View the lamp house from the front with the holding members removed.
FIG. First, referring to FIG. 19, the light source of the fourth embodiment will be described.
A schematic configuration of a lamp house unit in the device will be described.
The lamp replacement door 81 includes a xenon lamp and a heat sink.
Lamp unit holding a lamp unit 82 including a lamp
The holding member 83 is attached, and the lamp replacement door 81
By attaching and detaching the lamp unit, the lamp unit 82
It is configured to be removable. Lamp unit holding member 83
Is inside a lamp house 85 fixed to the light source device main body 84.
It is designed to be inserted into and mounted on. The run
Unit holding member 83 and lamp house 85 are insulating parts
It is made of wood. Behind the lamp house 85
A socket 88 is provided.
A power supply 86 for supplying power to the lamp
It is connected. Heat sink of the lamp unit 82
The electrode 89 is provided to protrude from the electrode 8.
9 passes through the socket hole provided in the lamp house 85
To fit into the socket 88. The lamp unit 82 is provided as shown in FIG.
The xenon lamp 22 and the xenon lamp 22
Anode side to electrically connect the anode and hold the lamp
The sink 90a and the cathode of the xenon lamp 22.
Cathode side heat sink for air connection and lamp holding
90b. Heat sink 90a
The anode electrode 89a and the heat sink 90b.
Sword electrodes 89b are provided projecting upward, respectively.
I have. These electrodes 89a and 89b have a width of 3 mm.
The following is set (t ≦ 3 mm). Lamp unit
Fig. 21 is a side view of
FIG. 22 shows a side view seen from above. Cathode side heat sink
90b is divided into upper and lower parts, and each divided part
Are connected by an elastic member 93. Cathode
Clamp lock on the other side of side heat sink 90b
91 is provided, and the opening degree can be variably opened and closed.
It has become. The xenon lamp 22 has three anodes.
Fixed to the heat sink 90a by two fixing screws 92.
The cathode side is inserted into the insertion hole of the heat sink 90b.
When the clamp lock 91 is tightened while inserted,
It is fixed together with the metal ring for the lead electrode. A lamp for holding the lamp unit 82
The unit holding member 83 is formed of an insulating member,
As shown in FIG. 23, a box-shaped shape has openings on the rear and side surfaces.
Part. From the opening on this side, the lamp unit
82 can be inserted and held. Also on
When the lamp unit 82 is inserted, the electrode
Notches for passing 89a and 89b are provided.
You. The opening on the rear side receives cooling air from the cooling fan.
It is for taking in. Take out the lamp unit 82
When pulling out, the direction of the arrow in the figure is opposite to the case of mounting
It is configured to be pulled out and removed. Lamp Yu
On the front surface of the knit holding member 83, a lamp replacement door 81 is mounted.
Is being worn. The lamp replacement door 81 has a lamp unit
The holding member 83 and the lamp replacement door 81 are connected to the lamp house 85.
Mounting screws 94 are provided on the left and right
You. Further, a slit-shaped opening for blowing the cooling air is provided.
A plurality is provided. A lamp unit equipped with a lamp unit 82
24, the lamp holding member 83 and the lamp replacement door 81
As shown, it can be attached to the lamp house 85.
ing. The lamp house 85 is made of an insulating material.
And the electrodes 89 of the heat sinks 90a and 90b
a and 89b are provided.
This socket 88 is connected to the primary circuit 95 via the transformer 44.
Connected via a wire 87 to a power supply 86
I have. On the upper surface of the lamp house 85, as shown in FIG.
Thus, a groove 97 into which the electrodes 89a and 89b are engaged is provided.
Have been killed. The front opening of the lamp house 85
On the left and right, insert nuts into which the mounting screws 94 are screwed
９６96 is provided. That is, the lamp unit
The holding member 83 and the lamp replacement door 81 are
When inserted through the front opening, the heat sinks 90a, 90
b electrodes 89a and 89b engage with the groove 97 and are inserted.
Into the socket 88 provided at the back,
Link 90a, 90b and the socket 88
Has become. The width of the groove 97 is set to 3 mm or less.
Have been. Lamp unit integrated with lamp replacement door 81
The knit holding member 83 was housed in the lamp house 85
Then, tighten the mounting screw 94 to the insert nut 96.
With this, the lamp unit holding member 83 is
85 can be fixed. Next, the operation of the present embodiment will be described.
When attaching the xenon lamp 22 to the device, first,
The xenon lamp 22 is attached to the heat sink 90.
The anode side of the xenon lamp 22 is a heat sink 90a.
To the heat sink 9 on the cathode side.
0b, the cathode electrode of the xenon lamp 22
And insert the metal ring for the heat sink 90b with the clamp lock 91.
To secure. Thereby, the xenon lamp 22
And the heat sinks 90a and 90b are integrated into a lamp unit.
It becomes a knit 82. Then, run the lamp unit 82
Inserted through the side opening of the unit holding member 83
I do. The lamp unit holding member 83 includes the lamp replacement door 8.
1, the lamp unit holding member 83
Through the front opening of the lamp house 85 to replace the lamp.
Push the replacement door 81 against the front of the lamp house 85 and attach the mounting screws.
By fastening 94 to the insert nut 96, the lamp
The replacement door 81 is closely attached to the lamp house 85,
The lamp unit 82 held by the socket holding member 83
It is stored up to the far end inside the pump house 85. Then, the anode electrode 89a, the cathode
The electrode 89b fits into the socket 88 and is electrically connected.
As a result, the power supply 86 conducts to the xenon lamp 22. Power supply 8
6 is insulated from the primary circuit 95 by the transformer 44
In this state, power is supplied to the lamp unit 82. This tiger
The structure of the balance 44 satisfies the basic insulation.
The creepage distance between the primary and secondary windings is 3 mm or more.
Have been. In this state, the lamp unit 82
To the lamp house 85 and the lamp unit holding member 83
Therefore, it is insulated from the exterior of the device. In addition,
Cooling air blowout opening provided in lamp replacement door 81
The lamp unit holding member 8 is aligned with this.
3 is provided with an opening for opening the cooling air blowout.
The insulation at the mouth is
This is performed at the creepage distance for the thickness. Cooling of the lamp replacement door 81
The width or diameter of the opening for air blowing should be 3 mm or less.
In this way, test pipes specified in safety standards such as IEC can be used.
To prevent intrusion. On the other hand, when replacing the lamp,
Loosen screw 94 and replace lamp replacement door 81 and lamp unit.
The lamp holding member 83 is separated from the lamp house 85.
Good. Thus, the electrodes 89a and 89 of the heat sink 90
b and the socket 88 are separated to the lamp unit 82
Power supply is cut off. Here, the anode electrode 89
a, the shape of the cathode electrode 89b is 3 mm in width and 6 mm in length
Then, the anode electrode 89a and the cathode electrode 89b are
If the distance from the socket 88 is, for example, IEC 601-1
4 mm or more, which is the creepage distance of the reinforcing insulation specified in
To do so, the lamp replacement door 81 must be
It should just be 10 mm away from. Also, IEC601-1
The test pin shown in FIG. 10 and the test pin shown in FIG.
The indicated test finger does not touch the lamp unit 82.
To ensure that the lamp unit 82 is
Set the distance from the end face of the lamp replacement door 81 to 12 mm or more.
Set. If the lamp unit 82 is a lamp house 85
25, pull it out completely and remove it as shown in FIG.
The width of the groove 97 into which the electrodes 89a and 89b engage is 3 m.
m or less, the possibility of touching live parts
Some openings are no more than 3 mm. As described above, the lamp replacement door and the lamp unit
The lamp replacement door when replacing the lamp.
When it is removed, the lamp unit electrode and power supply are
By being able to separate from the contact that follows,
As in the first embodiment, the safety is maintained and the device is small.
Can be That is, according to the configuration of the present embodiment,
For example, when storing the lamp or replacing the lamp, pull the lamp.
Creepage distance for insulation after any punching
And there is no danger of electric shock.
The structure of the isolation transformer in the power supply is
Safety can be assured with only an interlock switch.
Since it is no longer necessary, safety standards (for example, IEC601-
1) can be satisfied and the entire apparatus can be downsized. FIGS. 26 to 32 show a fifth embodiment of the present invention.
FIG. 26 is a front view showing the configuration of the lamp unit.
FIG. 27 is a side view of the lamp unit viewed from the anode side,
FIG. 28 is a side view of the lamp unit as viewed from the cathode side,
FIG. 29 shows the structure of the lamp replacement door and the lamp unit holding member.
FIG. 30 is a perspective view of the lamp unit holding member.
FIG. 31 is a side view showing the configuration of the fixing band to be attached to the surface.
Indicates a fixing band attached to the lamp unit holding member.
FIG. 32 is a side sectional view showing the state of the lamp, FIG.
Correct the lamp house with the knit holding member removed.
It is explanatory drawing seen from the surface. The fifth embodiment is a modification of the fourth embodiment.
Changed the configuration of the electrodes on the heat sink of the lamp unit.
This is a further example. As shown in FIG. 26, the lamp unit 10
1 is a xenon lamp 22 and an anode side heat sink
102a and a cathode-side heat sink 102b.
It is composed. Multiple heat sinks 102a
(Three in this embodiment) anode electrodes 103a are
A plurality (three in this embodiment) of Caso
The lead electrodes 103b are provided so as to protrude upward, respectively.
I have. These electrodes 103a and 103b have a width of 3
mm or less. Anode lamp unit
Fig. 27 shows a side view from the side, and the side view from the cathode side.
The figure is shown in FIG. In this embodiment, the anode electrode 103
a, and a plurality of cathode electrodes 103b are provided.
The current capacity at the
The length is set short. A run for holding the lamp unit 101
As shown in FIG. 29, the unit holding member 104
It has the same shape as that of the fourth embodiment and is made of an insulating member.
On the front of the lamp unit holding member 104, a lamp replacement
The door 81 is mounted. This lamp unit holding member
104 denotes the heat sink 1 on the upper surface and the upper rear surface.
Notch for passing electrodes 103a and 103b of No. 02
For attaching a band for attaching a fixing band to be described later on
Holes 105a and 105b are provided. Attached to the lamp unit holding member 104
As shown in FIG. 30, the fixing band 108 is
One end bent into a J-shape and the other end bent at a right angle
It is configured in shape. The right angled end has a front
A convex for engaging and fixing the band mounting hole 105a.
A locking portion is provided. This fixing band 108
Is the lamp unit 1 attached to the lamp unit holding member 104.
01 is stored in the lamp holder as shown in FIG.
The lamp unit 10 attached to the knit holding member 104
1 can be positioned and prevented from falling off.
ing. At this time, the J-shaped end of the fixing band 108
After the part is engaged in the band mounting hole 105b on the upper rear surface,
The end bent at a right angle is connected to the band mounting hole 105a on the upper surface.
, And is mounted. By taking out the lamp unit holding member 104,
FIG. 32 shows the lamp house portion in a state where it is removed. Lampha
The upper surface of the mouse 106 has a
Depending on the number of poles 103a, 103b, electrodes 103a, 1
A plurality of grooves 107 into which the first and second grooves 03b engage are provided.
As in the embodiment, a socket is provided at the back of the groove 107.
I have. The width of the groove 107 is set to 3 mm or less.
ing. The other structure is the same as that of the fourth embodiment.
Description is omitted. The operation of this embodiment is almost the same as that of the fourth embodiment.
is there. The difference is that the anode electrode 103a and the cathode electrode
By providing a plurality of poles 103b, the
The electrode's front-back length
Can be set short, and safety standards (for example, IEC60 here)
Ensures a creepage distance of 4 mm for reinforced insulation specified in 1-1)
To pull out the lamp unit holding member 104
The separation becomes shorter. Thereby, the lamp unit holding member 1
Lamp unit 101 and lamp replacement door housed in 04
The distance from the end face 81 is 12 mm in the fourth embodiment.
Can be shortened. Further, the fixing band 108 is connected to the lamp unit.
The lamp unit 101 is fixed to the
To prevent the lamp unit 101 from falling off
As well as positioning the lamp unit 101
be able to. Therefore, as in the fourth embodiment, the lamp replacement is performed.
The door and lamp unit are integrated, and the lamp is
When the lamp replacement door is removed, the lamp unit
Electrodes and the contacts connected to the power supply.
To maintain safety and reduce the size of the device.
Can be FIGS. 33 to 40 show a sixth embodiment of the present invention.
FIG. 33 is a front view showing the configuration of the lamp unit.
FIG. 34 is a side view of the lamp unit viewed from the anode side,
FIG. 35 is a side view of the lamp unit viewed from the cathode side,
FIG. 36 shows the structure of the lamp replacement door and the lamp unit holding member.
FIG. 37 is a sectional side view showing the structure of the lamp replacement door and lamp unit.
38 is a top view of the knit holding member, and FIG.
39 is a side sectional view of the lamp house part, and FIG.
Lamp replacement door and lamp unit holding member removed
FIG. 3 is an explanatory diagram of a lamp house unit in a state viewed from the front. The sixth embodiment is also a modification of the fourth embodiment.
Changed the configuration of the electrodes on the heat sink of the lamp unit.
This is a further example. As shown in FIG. 33, the lamp unit 11
0 is a xenon lamp 22 and an anode side heat sink
111a and a cathode-side heat sink 111b.
It is composed. In this embodiment, a rod-shaped electrode
Are provided on the heat sink 111a.
(Four in this embodiment) anode electrodes 112a
A plurality (four in the present embodiment) of cathodes
Each of the electrodes 112b is provided so as to protrude in a row.
You. The electrodes 112a and 112b have a diameter of 3
mm or less. Anode lamp unit
FIG. 34 shows a side view from the side, and a side view from the cathode side.
The figure is shown in FIG. 33 and 34.
Upper surfaces of the lamps 111a and 111b (the lamp unit 110).
On the bottom when the lamp is stored in the lamp unit holding member)
The positioning hole 113 (for example, the heat sink 111)
a) are provided. Others are the same as the fourth embodiment.
And the description is omitted. A run for holding the lamp unit 110
The unit holding member 114 is, as shown in FIG.
It is composed of edge members and has a box shape on the rear and side surfaces.
It has an opening. From the opening on this side, the lamp unit
The socket 110 can be inserted and held. La
FIG. 37 is a top view of the pump unit holding member 114, and FIG.
FIG. 38 is a sectional view taken along line AA of FIG. Lamp unit holder
The position of the lamp unit 110 is located on the bottom of the holding member 114.
The positioning provided on the heat sink 111
Positioning projections 115 that fit into the holes 113 are provided.
ing. The rear opening 116 is provided with the lamp unit 110.
Openings for projecting the electrodes 112a and 112b of
Has become. Also, before the lamp unit holding member 114.
A lamp replacement door 81 is mounted on the surface. The side
The circular opening 117 of the surface is
An emission window for emitting illumination light. The lamp unit to which the lamp unit 110 is attached
The knit holding member 114 and the lamp replacement door 81 are shown in FIG.
It can be attached to the lamp house 120 as shown in 9
Swelling. Lamp house 120 is made of insulating material
The electrode 112 of the heat sink 111 is provided at the rear.
And a socket 119 that fits into the socket 119 is provided. This moss
Unit 119 is connected to the primary circuit 95 via the transformer 44.
Connected to a power supply 86 via a wire 118.
You. On the front of the socket 119 at the rear of the lamp house 120
The socket hole 12 is located in the
1 is provided, and this socket hole 121 is heat-sealed.
The electrode 112 of the link 111 is inserted and fits in the socket 119.
Are adapted. Also, the lamp house 120
At the left and right sides of the front opening, the mounting screws 94 are screwed.
An insert nut 96 is provided. That is, run
Run the lamp unit holding member 114 and the lamp replacement door 81
When inserted through the front opening of the house 120, the heat
The electrode 112 of the link 111 is inserted into the socket hole 121 on the rear surface.
The lamp unit 1 is inserted and
10 and the socket 119 are conducted.
The diameter of the socket hole 121 is set to 3 mm or less.
Have been. Lamp unit integrated with lamp replacement door 81
The lamp holding member 114 is housed in the lamp house 120.
Then, tighten the mounting screw 94 to the insert nut 96.
As a result, the lamp unit holding member 114 is
To be fixed to the wire 120. Next, the operation of the present embodiment will be described.
The lamp unit 110 is, similarly to the fourth embodiment, heated.
Xenon lamp 22 is installed in sinks 111a and 111b.
Assembled. Then, the lamp unit 110
Is inserted into the lamp unit holding member 114 from the side.
And the positioning hole 113 fits into the positioning protrusion 115.
Then, it is positioned and stored. Next, run
The lamp unit holding member 114 in front of the lamp house 120.
The lamp replacement door 81 is inserted through the opening and the lamp house 1 is inserted.
20 and press the mounting screw 94 into the insert nut.
When the lamp replacement door 81 is fastened to the
To the lamp unit holding member 114.
The held lamp unit 110 is a lamp house 120.
It is stored up to the inner end. Then, the anode electrode 112a and the cathode
The socket electrode 112b is inserted into the socket hole 121 and
119, and are electrically connected to each other.
Electricity is supplied to the non-lamp 22 by conduction. Power supply 86 and
The transformer 44 that insulates the primary circuit 95 from the primary circuit 95 is provided in the fourth embodiment.
The structure satisfies the basic insulation as in
The creepage distance between the next windings is 3 mm or more. In this state, the lamp unit 11
0 is the lamp house 120 and the lamp unit holding member 1
14 insulates the exterior of the device. Ma
The cooling air blowout provided on the lamp replacement door 81
The insulation at the opening for the lamp unit is the same as in the fourth embodiment.
This is performed at the creepage distance corresponding to the thickness of the slot holding member 114. La
The opening for cooling air blowing of the pump replacement door 81 has a width or
By keeping the diameter to 3 mm or less, safety standards such as IEC
To prevent the penetration of the test pin specified in. On the other hand, when replacing the lamp,
Loosen screw 94 and replace lamp replacement door 81 and lamp unit.
Pulling the holding member 114 away from the lamp house 120
Go. Thereby, the electrode 112 of the lamp unit 110
a, 112b and the socket 119 are separated from each other,
Power supply to the knit 110 is cut off. Where Ano
The shape of the cathode electrode 112a and the cathode electrode 112b is
If the length is 3 mm and the length is 6 mm, the anode electrode 112a,
Distance between cathode electrode 112b and socket 119
Is, for example, in accordance with reinforced insulation specified in IEC 601-1.
In order to keep the surface distance of 4 mm or more, the lamp unit
The thickness of the holding member 114 and the lamp house 120
When the lamp replacement door 81 is
What is necessary is just to pull away from the house 120 by 7 mm. Also, IEC
601-1 and the test pin shown in FIG.
And the test finger shown in FIG.
To avoid touching the lamp unit 10, the lamp unit 1
The distance between the end face 10 and the end face of the lamp replacement door 81 is 7
mm or more. The cathode electrode 112a, anode
The distance between the contact electrode 112b and the socket 119 is an example.
For example, the insulation distance of reinforced insulation specified in IEC 601-1
In a state where it is pulled out to a position exceeding 8 mm
Also, the test pin and the test finger are
Make the lamp replacement door 81 large so as not to touch the knit 110
By doing so, the transformer 44 is a basic
A smaller structure that does not satisfy the insulation can be obtained. The lamp unit 110 is connected to the lamp house 12
0 and completely removed from it, as shown in FIG.
And a socket hole into which the electrodes 112a and 112b are engaged.
Because the diameter of 121 is set to 3 mm or less,
Only 3 mm or less openings may touch the
Does not exist. Therefore, as in the fourth embodiment, the lamp is replaced.
The door and lamp unit are integrated, and the lamp is
When the lamp replacement door is removed, the lamp unit
Electrodes and the contacts connected to the power supply.
To maintain safety and reduce the size of the device.
Can be FIGS. 41 to 46 show a seventh embodiment of the present invention.
FIG. 41 shows the structure of the lamp house of the light source device.
FIG. 42 is a sectional view taken along line AA of FIG.
FIG. 43 is a side view of the lamp house portion of FIG. 41.
FIG. 44 shows an electric contact portion provided inside the lamp house.
FIG. 45 is a perspective view showing the configuration of the lamp unit.
FIG. 46 is a perspective view showing the configuration of a lamp replacement door.
It is. As shown in FIG. 41 to FIG.
The lamp house part of the light source device of the example has an insulating part
The lower end of the base plate 132 is fixed with screws.
The upper end of the base plate 132 is made of an insulating member.
The lamp house 133 is fixed. Lamp house 1
An L-shaped metal column 134 is fixed to the lower part of
A heat sink, which will be described later, is fixed on the upper part of the metal pillar 134.
Screw holes are provided for fixing. Lamp house 1
33, an insulating wall 135 abutting on the side surface of the metal column 134
Are provided to protrude, and the insulating wall 135 is interposed therebetween.
The other end lights the lamp at the position opposite to the metal pillar 134.
Connected to a power supply via a high-voltage generating circuit
The electrode block 136 is fixed. This metal pillar 13
4 and a perspective view of an electrical contact portion including the electrode block 136.
As shown in FIG. Of the metal pillar 134 and the electrode block 136
In front, abuts against metal column 134 and electrode block 136
To make the metal column 134 and the electrode block 136 conductive.
An electrode 137 made of an elastic member is provided. This
The electrode 137 is a slide member 138 made of an insulating member.
It is fixed to. The end of the slide member 138
The tension spring 139 is attached,
The other end of the spring 139 is fixed to the
Fixed in the space 133. The internal structure of the lamp house 133 is shown in FIG.
As shown in FIG. 42, the electrode blocks 136a,
136b, metal pillars 134a, 134b, electrodes 137a,
137b, slide members 138a, 138b, etc. are arranged.
Have been. As shown in FIG. 45, the xenon lamp 22
A heat sink 141a on the anode side and a cathode side
A heat sink 141b is detachably fixed to
The heat sinks 141a and 141b are metal pillars, respectively.
It is detachably fixed to the upper end of 134. That is,
The metal column 134 and the xenon lamp 22 are connected to the heat sink 1
It is designed to conduct through 41. The side surface of the housing 131, that is, the lamp house
At the side opening of 133, a lamp replacement door 144 is attached and detached.
It is supposed to be installed now. This lamp replacement door 14
4 projects left and right at the lower part of the inner side surface as shown in FIG.
Parts 145a and 145b are provided. Also a lamp
In the house 133, there is a gas through which the protrusion 145 is inserted.
An id tube 143 is provided, inside the lamp house 133.
The guide cylinder holding member 14 shown in FIG.
2 so as to be movable. Note that FIG.
(B) shows a state where the guide cylinder holding member 142 is removed.
Is shown. That is, the lamp replacement door 144 is
When mounted on the mouse 133, the protrusions 145a, 1
45b is inserted into the guide cylinder 143, and the slide member 1
38, and each slide member 1
38a and 138b are metal columns 134a and 134b and electrodes
Push in the direction of the blocks 136a and 136b.
ing. Next, the operation of the present embodiment will be described.
Attach the lamp replacement door 144 to the side of the housing 131.
By the two, the two fixed to the lamp replacement door 144
The protruding portions 145a and 145b are inside the guide cylinder 143, respectively.
To the side end surface of the slide member 138,
Each slide portion is provided by the protrusions 145a and 145b.
The members 138a and 138b are pushed. Slide member 1
38 is pressed to fix to the slide member 138
Electrodes 137a and 137b are
136a, 136b and metal columns 134a, 134b
And the electrode block 136 and the metal column 134 are electrically connected.
Power is supplied to the xenon lamp 22 from the power supply.
You. When replacing the light source lamp, the lamp replacement door
When the lamp 144 is removed from the housing 131, the lamp replacement door 14
4 projecting portions 145a and 145b
Pulled out. Then, the slide members 138a, 138
8b is released from being pressed by the protrusion 145 and pulled.
The sliding member 13 is pulled back by the spring 139.
Electrodes 137a, 137 fixed to 8a, 138b
b denotes the electrode blocks 136a and 136b and the metal pillar 134
a, 134b while keeping a sufficient distance. This
Thus, the circuit between the electrode block 136 and the metal pillar 134 is
Power supply to the xenon lamp 22
You. In this manner, when the lamp replacement door 144 is removed,
Heat sinks 141a and 141b are exposed and removable
It becomes a state. At this time, the heat sinks 141a, 14a
1b is not supplied with power and the electrode block 136
Is separated from the metal column 134 with a certain insulation distance or more.
Therefore, there is no fear of electric shock. The configuration of the present embodiment also provides the same effects as the first embodiment.
Similarly, with a simple configuration, a heat sink can be
The circuit between the power supply and the power supply can be separated.
In addition to preventing the danger of electric power and maintaining safety,
Downsizing and eliminates the need for an interlock switch.
The size of the device can be reduced. FIG. 47 shows a light source device according to an eighth embodiment of the present invention.
FIG. 3 is a cross-sectional view as viewed from above showing a configuration of a lamp house portion of the device. The lamp house of this embodiment has a heat shield.
And the xenon lamp 22
Lamp unit inserted into the lamp house 157
It is designed to be attached. heatsink
151a and 151b supply power to the xenon lamp 22.
Electrode 1 with a diameter or width of less than 3 mm for feeding
52 are provided to protrude, respectively. Also, heat
Heat-resistant screws 153 are inserted into the sinks 151a and 151b.
The end of the screw 153 is made of heat-resistant insulating material
Knob 154 is screwed into the heat sink 151a,
151b. In front of the heat sinks 151a, 151b
Is provided with a lamp replacement door 155 made of metal.
The knob 154 is inserted through the lamp replacement door 155.
Screws 153 and heat sinks 151a, 151
b and the lamp replacement door 155 are configured to be integrated.
ing. The knob 154 and the screw 153 are a lamp.
Replace the door so that it can rotate freely with respect to the replacement door 155.
156 fixed. Around the lamp replacement door 155
The edge is at least 4 mm longer than the electrode 152 over the entire circumference.
And the shortest part from the heat sink 151 is 4 mm or less.
Bent to the lamp house 157 side away
I have. In addition, the lamp replacement door 155 has a slot through which cooling air passes.
There is a socket-shaped duct. The lamp house 157 is made of a heat-resistant insulating member.
Screw hole 1 into which the screw 153 is screwed
58 are provided. Further, the electrode 152 is inserted therethrough.
A circular or slit-shaped socket hole 159 is provided.
In the back of the socket hole 159, there is a power supply for lamp lighting.
A socket that is connected and supplies power when the electrodes 152 are fitted.
A slot 160 is provided. The socket hole 159
Is set to have a diameter or width of less than 3 mm. You
That is, heat sinks 151a and 151b are inserted and
When the screw 158 is screwed into the screw hole 158 and fixed, heat
The electrodes 152 of the sinks 151a and 151b are socket holes 1
59 and inserted into socket 160, power supply and heat
The connection to the sink 151 is established. Also,
The lamp house 157 is a housing made of metal of the light source device.
161. The lamp of the housing 161
A conductive rubber 162 is provided in a portion that comes into contact with the replacement door 155.
When the lamp replacement door 155 is installed.
The door 155 and the housing 161 are connected by the conductive rubber 162.
Conducted reliably, electromagnetic shielding has been performed
I have. When replacing the lamp, first turn the knob 154.
Turn screw 153 to screw hole 1 in lamp house 157
58, and heat sinks 151a, 151b and keys.
Integral with lamp unit composed of Senon lamp 22
Lamp replacement door 155 from the lamp house 157
Remove. At this time, the lamp replacement door 155 is bent.
The edge is longer than the length of the electrode 152 by 4 mm or more.
Therefore, the heat sink 151 in the live state is
4 mm or more
The electrode 152 is securely connected to the socket 160 while maintaining the edge distance.
The power supply to the heat sink 151 is cut off.
You. After removing the lamp unit,
The socket hole 159 of the house 157 has a diameter or width of 3
mm, so that the socket 160 is easily touched.
Can not do. This eliminates the risk of electric shock and eliminates the
Pumps can be replaced. As described above, according to the configuration of this embodiment,
As in the first embodiment, the lamp has a simple configuration when replacing the lamp.
The circuit between the heat sink and the power supply can be separated, and lamp replacement
Prevent danger of electric shock at the time of safety and maintain safety
In addition, miniaturization of transformer and interlock switch
Switch can be dispensed with, miniaturizing the device.
You. FIGS. 48 and 49 show a ninth embodiment of the present invention.
48 is a perspective view and a diagram showing the configuration of the lamp unit.
49 is a side sectional view showing the configuration of the lamp house. The ninth embodiment is a modification of the eighth embodiment.
Electrodes of the heat sink in the lamp unit, and
This is an example in which the configuration of the lamp house socket is changed. As shown in FIG. 48, the lamp replacement door 155
The heat sinks 161a and 161b are the same as in the eighth embodiment.
It is attached like. This heat sink 161a,
161b, an electrode 162 having a width of 3 mm or less is provided on the upper surface.
Each is provided to protrude. On the other hand, as shown in FIG.
As shown in FIG.
A full slit 164 is provided.
A socket 165 connected to a power supply for lighting the lamp
Are arranged. Other configurations are the same as in the eighth embodiment.
And the description is omitted. The heat sink 161
Of the electrode 162 and the socket 165 fitted thereto are
It may be provided on the surface or the lower surface. As described above, the electrode of the heat sink and the
Even if a socket that fits into
The same operation and effect as those of the eighth embodiment can be obtained. FIGS. 50 to 53 show a tenth embodiment of the present invention.
FIG. 50 is a cross-sectional view showing a schematic configuration of an electric contact portion according to an example.
FIG. 51 shows a case where an electrode unit is used for an electric contact portion.
FIG. 52 is a cross-sectional view showing an example, and FIG.
FIG. 53 is a sectional view showing a state where the electrode unit is removed.
FIG. As shown in FIG. 50, the light source device of this embodiment
The electrode separating part is an insulating member 171 that also serves as a lamp replacement door.
The lamp unit 172, which is provided integrally with the
The connection member is fixed to the switch 173. The connection
The members are the insulating members 17 constituting the lamp unit 172.
1 and gold passing through the through holes provided in the light source lamp electrode 174.
Male screw 175 of the attribute and female screwed into this male screw 175
Formed from a female threaded electrode 177 having a thread 176
are doing. In addition, the near side of the male screw 175 is heat resistant.
While the knob 178 formed of the edge member is provided,
Metallic material that contacts the light source lamp electrode 174 on the front of the
A washer 179 is provided. The electrode 177 with the female thread is not shown.
Connect the lead 180 extending from the lighting circuit that does not
On the other hand, the metal part of the female threaded electrode 177 is not exposed.
Insulating member 181 is provided on the light source lamp electrode side
I have. The operation of the electrode separating portion configured as described above will be described.
explain. The male screw 175 constituting the electrode separation part is
Inserted into the through hole of the lamp unit 172 that also serves as a lamp replacement door.
Electrode 1 with female thread through which it is arranged in lamp house 173
It is screwed into the female screw portion 176 formed at 77. Then figure
The lamp lighting circuit (not shown) and the light source lamp electrode 174
Lead wire 180, lead wire extended from the lamp lighting circuit
177, female threaded electrode 1 connected to
Male screw 175 screwed into female screw portion 176 formed at 77
And through a washer 179 disposed on the male screw 175.
To conduct and supply power to the lamp. The external thread of the lamp unit 172
Electrode 1 with internal thread 175 provided in lamp house 173
By removing from the female screw portion 176 of the
Lamp electrode 174 and lamp lighting circuit are separated to form a lamp
Stop supplying power. As described above, the lamp unit is connected to the lamp housing.
Use male and female screws as connection means to secure the
Simple configuration between the lamp lighting circuit and the light source lamp electrode
Forming an electrode separation part that separates the circuits in the path of
Easy and reliable heat sink replacement
And the light source lamp can be insulated. Also, the danger of electric shock when replacing the lamp
Of the transformer and keep the transformer small.
And the need for an interlock switch is eliminated.
Thus, the size of the device can be reduced. Other actions and effects
Is the same as in the first embodiment. Further, as shown in FIGS. 51 and 52,
It is the light source lamp electrode side of the electrode 177 with a female thread in FIG.
Instead of providing an insulating member 181
The electrode 177 is housed in a box 182 formed of an insulating member.
An electrode unit 183 is formed, and a male
Screw 175 into female threaded electrode 177, or
Can be removed to remove the light source lamp electrode 17.
By conducting and separating 4 from the lamp lighting circuit
Electrical safety can be reliably maintained. Note that, as shown in FIG.
83 is a female screw portion 17 of the female screw electrode 177 on the ground side.
6 has a through hole 184 through which a male screw 175 is screwed.
On the other hand, a relief hole 185 for male screw is formed on the top side
I have. Also, a lead wire connected to the female threaded electrode 177
A through-hole 186 through which the 180 is inserted is formed as a long hole in the side surface
The electrode 177 with a female thread can be moved in the vertical direction.
I'm trying. FIGS. 54 and 55 show an eleventh embodiment of the present invention.
54 is a cross-sectional view showing an electrode separation part, and FIG.
FIG. 56 is a plan view for explaining the operation of FIG. 54. The eleventh embodiment is a first modification of the tenth embodiment.
FIG. 54 and FIG. 55 show examples of the light source device.
The electrode separation part extends from a lamp lighting circuit (not shown).
An electrode plate 190 to which a lead wire is connected;
Extending from the contacting first blade portion 191 and the light source lamp electrode.
A second blade 192 connected to the lead wire 193
Are formed from the one-touch fixing portion 194 provided with the. The one-touch fixing portion 194 is provided with a first wing.
The root portion 191, the second blade portion 192, and the shaft portion 195 are substantially the same.
The first blade portion 191 and the second
Plate that forms a lamp house between the blades 192
173a and the electrode plate 190 disposed in the lamp house
To be clamped. Also, the one-touch fixing
A knob 1 made of a heat-resistant insulating member is provided on the proximal side of the portion 194.
78 are provided. On the other hand, the insulating plate 173a of the lamp house
A long hole 173b for inserting the first blade 191 is formed.
And the second blade portion 192 is inserted into the lamp unit.
A long hole 171a is formed. The operation of the electrode separation unit configured as described above is described below.
explain. As shown in FIG. 55 (a), the lamp unit 1
The first wing portion of the one-touch fixing portion 194 disposed at 72
191 is a long hole formed in the insulating plate 173a of the lamp house
173b, and inserted as shown in FIG.
Turn the knob 178 to move the first blade 191 to about 9
Rotate 0 degrees. Then, the first blade 191 is connected to the electrode
The first blade 191 and the second blade 191
The electrode plate 190 and the lamp housing are
The male insulating plate 173a is pinched and fixed. To this
The lamp lighting circuit (not shown) and the light source lamp electrode 17
4 is a lead wire 180, an electrode connected to the lead wire 180
Plate 190, first blade portion 19 in contact with electrode plate 190
1, a shaft portion 195, a second blade portion 192 and a light source lamp
Conducted via lead 193 connected to pole 174
This supplies power to the lamp. Also said one
Rotate the knob 178 of the touch fixing part 194 to make the same figure.
As shown in (a), the first blade 191 is inserted into the elongated hole 173b.
And remove it from the lamp house.
Power to the lamp by separating the lamp electrode and the lamp lighting circuit.
Stop supplying. As described above, the lamp unit is connected to the lamp housing.
One-touch fixing part as a connection means to fix integrally to
Makes it easy to attach and remove the lamp unit.
It can be carried out. A first blade contacting the electrode plate;
Part and the lead wire extending from the light source lamp electrode were connected
The second blade and the lamp lighting circuit and the light source lamp electrode
Forming an electrode separator to separate circuits in the path between them
Can be easily and reliably replaced when replacing the lamp.
The heat sink and the light source lamp can be insulated. So
The other effects and operations are the same as in the tenth embodiment. FIGS. 56 to 58 show a twelfth embodiment of the present invention.
FIG. 56 shows an electrode separation in a power supply device provided with a shielding plate according to an example.
FIG. 57 is a cross-sectional view showing a state where the parts are connected, and FIG.
FIG. 58 is a cross-sectional view showing a state where the electrode separation portion is shielded by
It is sectional drawing which shows the example at the time of setting a shielding board manually. The twelfth embodiment is a modification of the tenth embodiment.
According to the example, as shown in FIG. 56 and FIG.
The electrode separation part extends from a lamp lighting circuit (not shown).
A light source is applied to the electrode 177 with a female thread to which the lead wire 180 is connected.
With the lamp electrode 174 in contact with the female screw
A male screw 175 is screwed into the female screw portion 176 of the electrode 177.
It is fixed integrally. Further, the electrode 17 with the female thread is used.
Touching the live parts such as the electrode separation part on the hand side of 7
The shielding plate 201 is provided so as not to be able to do so. The shielding plate 201 is formed of an insulating member.
And a slide through hole 202 is formed at the approximate center.
ing. Then, this shielding plate 201 is formed into a lamp house.
In the formed gap 203 together with the urging member 204.
You. On the other hand, the lamp unit 172 includes the shielding plate 201.
Of the shielding plate 201 by inserting the
A guide that slides against the urging force of the urging means 204
A projection 206 having a slope 205 is formed. The operation of the light source device configured as described above will be described.
I will tell. First, the protrusion 2 formed on the lamp unit 172
06 through the sliding through hole 202 of the shielding plate 201
Then, the guide slope 205 provided on the projection 206 is
The electrode 177 with female threads by contacting the
The shielding plate 201 that has been covered is moved. Next,
The external thread 175 is attached to the internal thread 176 of the electrode 177 with the internal thread.
Into a ramp point (not shown) as shown in FIG.
The lamp circuit and the light source lamp electrode 174 are connected to the lead wire 180,
Electrode part 177 to which the lead wire 180 is connected and the electrode part 1
Conduction through the light source lamp electrode 174 in contact with 77
Power to the lamp. The male screw 175 is connected to a female screw electrode.
Remove from the female thread 176 of the lamp unit
172 is removed from the lamp house 173.
To separate the light source lamp electrode 174 from the lamp lighting circuit.
To stop the power supply to the lamp,
1 is an electrode side with a female thread by the urging force of the urging member 204.
To shield the electrode 177 with female threads. As described above, the shield for shielding the electrode with the female thread is provided.
The lamp unit was removed by providing a shield plate
Sometimes the live parts such as the electrode separation part are not exposed
Accidents such as electric shock due to accidental contact with the
Naturally, the prevention greatly improves safety. What
The other functions and effects are the same as in the tenth embodiment.
is there. Further, as shown in FIG.
A handle 208 is provided, and the shielding plate 201 is opened and closed by hand.
By doing so, the structure and shielding of the lamp unit 172 are
The structure of the shielding plate 201 can be simplified. In addition,
Be sure to always urge the shielding plate 201 toward the electrode with female screw.
Force means may be provided. FIGS. 59 and 60 show a thirteenth embodiment of the present invention.
59 is a perspective view and a diagram showing a configuration of a lamp replacement door.
Reference numeral 60 is a cross-sectional view showing a schematic configuration of the lamp house. [0109] As shown in FIG.
Is, for example, a magnet in which the N pole side is located on the lamp house side.
212 are provided. Then, as shown in FIG.
The replacement door 211 is fixed to the lamp house 173
Has become. A heat sink is provided in the lamp house.
Through the lead wire 213 to the light source lamp electrode 174 provided on the lamp.
And an electrode plate 214 connected to the
One end of a magnet 215 having an N pole opposed to the N pole of the magnet 212
A leaf spring electrode 216 provided with a portion is provided. The above
The other end of the leaf spring electrode 216 extends from the lamp lighting circuit
The connected lead wire 217 is connected. The operation of the light source device configured as described above will be described.
I will tell. Magnet 21 with N pole side positioned on lamp house side
Replacement door 211 with 2 is connected to lamp house 173
Then, a plate is attached to the magnet 211 disposed on the replacement door 211.
The magnet 215 disposed at one end of the spring electrode 216 repels
Then, the leaf spring electrode 216 is curved around the fulcrum 218,
The leaf spring electrode 216 is not shown in contact with the electrode plate 214.
The lamp lighting circuit and the light source lamp electrode
More power is supplied to the lamp. The replacement door 21
1 to remove the magnet 21 of the leaf spring electrode 216.
The magnetic force acting on the electrode plate 5 disappears and the electrode plate 2
14 is separated from the light source lamp electrode by the leaf spring electrode 216.
Separated from the lamp lighting circuit and stopped supplying power to the lamp
I do. Thus, when the replacement door is removed,
Live parts such as pole separation parts are never exposed
Completely prevents accidents such as electric shock by contacting the electrode separation part.
The safety can be greatly improved because it can be stopped. What
Other functions and effects are the same as those of the first embodiment.
You. By the way, as shown in FIG.
Bolt that fixes the lamp 220 to a lamp house (not shown)
221, and hold the light source device body 222, for example.
Remove the lamp unit 220 only by raising
You can also be able to. FIG. 62 shows a run according to a fourteenth embodiment of the present invention.
FIG. 3 is a cross-sectional view showing a configuration of a house and a lamp unit.
You. As shown in FIG.
The surface portion is formed of an insulating member 223, and the insulating member
Heat sink holding a xenon lamp 224 at 223
225 are provided integrally. And the insulating member 2
23 is a lamp house 22 with a mounting screw 226.
7 so that it can be detachably fixed to the insulating member.
By mounting the 223, the insulating member 223
The fixed heat sink 225 is a predetermined heat sink in the lamp house.
It is stored in the position. The heat sink 225 has the light source lamp electrode 2
28 are formed and have elasticity on the light source lamp electrode.
The contact brush 229 is electrically disposed, and
The screw peripheral portion 226a of the jig 226 contacts the contact brush 229.
It comes to touch. This mounting screw 226 is
It is formed of a conductive member, and is formed of a heat-resistant insulating member on the hand side.
A knob 230 is provided. Meanwhile, Lamp House 2
On the side of 27, an electrode 231 with a female thread is provided. Previous
The female threaded electrode 231 is
Connected to lamp lighting circuit not shown. The operation of the electrode separating section configured as described above is described below.
explain. When installing the lamp unit 220,
The heat sink 225 fixed to the body is connected to the lamp house 22.
7 and fix it by tightening the mounting screw 226.
You. At this time, the peripheral portion 226a of the mounting screw 226 is
The electrode 23 with the female thread is in contact with the contact brush 229.
The first female screw 233 is screwed. Then, the lamp lighting circuit
232, female threaded electrode 231 extending from
A male screw that is screwed into the female screw portion 233 of the female screw electrode 231
226, a contact bra that contacts the peripheral portion 226a of the male screw
The lamp lighting circuit and the light source lamp electrode 22 via the shell 229
8 is electrically connected to the lamp and connected to the lamp.
Supply power. When the mounting screw 226 is removed,
The male screw comes off the female screw electrode 231 and the lamp turns on.
The circuit between the path and the light source lamp electrode is
Stop supplying power. As described above, the lamp unit is connected to the lamp housing.
Easy connection with male and female threads as connecting means
Path between the lamp lighting circuit and the light source lamp electrode in a simple configuration
By forming an electrode separation part that separates the circuit inside,
Easy and reliable heat sink and lamp replacement
Light source lamp can be insulated,
Can prevent the risk of electric shock and maintain safety.
Transformer downsizing and no interlock switch required
And the size of the device can be reduced. Other
Are the same as those of the first embodiment. FIGS. 63 to 69 show a fifteenth embodiment of the present invention.
In connection with the example, FIG.
FIG. 64 is a sectional view showing the configuration, and FIG.
FIG. 65 is a cross-sectional view when an elastic member is used for the separation portion.
Using a leaf spring for the elastic member of the electrode separation part of the lamp house
FIG. 66 is a sectional view showing another example of FIG.
FIG. 67 is a sectional view showing another example of FIG. 65, and FIG.
8 is a sectional view showing another example of FIG. 65, and FIG.
FIG. 66 is a cross-sectional view showing still another example of FIG. 65. The fifteenth embodiment is a modification of the fourteenth embodiment.
In connection with this, as shown in FIG.
While the projection 241 is formed on the light source lamp electrode 228
The electrode plate 242 in contact with the projection 241 is formed by an insulating member.
It is arranged on the inner side of the lamp house 227 thus formed. The lamp housing formed by the insulating member
At the position where the electrode plate 242 is disposed.
The through hole 22 through which the projection 241 of the light source lamp electrode 228 is inserted
7a are formed. The electrode plate 242 is
Connected to the lamp lighting circuit 243 via the
I have. Further, the electrode plate 242 and the insulating plate 244 are
The insulating plate 244 has a lamp unit.
The knit 220 is integrally fixed to the lamp house 227
A female screw portion serving as a connecting means at the time is formed. The operation of the electrode separating section configured as described above is described below.
explain. When installing the lamp unit,
225 is stored in the lamp house. At this time,
The protrusion 2 of the light source lamp electrode 228 provided on the sink 225
41 inserts the through hole 227a formed in the lamp house 227.
Through which the electrode plate is placed inside the lamp house 227
242. Here, the lamp is mounted with the mounting screw 226.
Unit 220 and lamp house 227 are screwed together and integrated
When fixed, the lamp unit 220 is
Light source lamp electrode
When the projection 241 of the H.228 contacts the electrode plate 242, the lamp
The lighting circuit 243 and the light source lamp electrode 228 are electrically connected.
To supply power to the lamps. In addition, mounting screw 2
26, the light source lamp electrode 228
When the tip surface of the projection 241 is separated from the electrode plate 242, the lamp
A circuit between the lighting circuit 243 and the light source lamp electrode 228
Separate and stop supplying power to the lamp. As described above, the lamp lighting circuit and the light source lamp
Insulates the electrode separation part that separates the circuit in the path between the electrodes
When installed on the inner surface of a lamp house
Then, a female screw part to be screwed with the mounting screw is formed on the insulating member.
The risk of electric shock when replacing the lamp.
It is possible to form a highly safe light source device that is
Wear. Other functions and effects are the same as those of the fourteenth embodiment.
It is. Further, as shown in FIGS.
The electrode separation part or light source lamp electrode 24 on the inner surface of the lamp house
A biasing member 251 is disposed at the tip of
2, a leaf spring electrode 252 is provided to improve contact stability.
I'm aiming up. FIGS. 70 and 71 show a sixteenth embodiment of the present invention.
70 is a perspective view of a lamp house portion provided with a shielding plate.
FIG. 71 is a sectional view of a lamp house portion provided with a shielding plate.
is there. The sixteenth embodiment is an application of the twelfth embodiment.
This is an example and a modification of the fifteenth embodiment. FIG.
0 and a leaf spring electrode 252 as shown in FIG.
A shielding plate 261 is provided on the separation electrode portion. Of this embodiment
The lead wire 232 extending from the leaf spring electrode 252 is shown in FIG.
Not connected to the lamp lighting circuit. Furthermore, this board
The spring electrode 252 is provided on the projection 241 of the light source lamp electrode 228.
Is a biasing means when is not pushed in,
For example, an insulating member 261 biased by a spring 262
This shields the leaf spring electrode 252. And light
When the projection 241 of the source lamp electrode 228 is inserted, the shielding is performed.
The cover plate 261 moves to move the leaf spring electrode 252 and the convex portion 241.
Are in electrical contact. Thus, the electrode portion is exposed by the insulating member.
No electrical safety can be ensured. FIGS. 72 to 76 show a seventeenth embodiment of the present invention.
FIG. 72 shows an example of a connection between a lamp house and a lamp unit.
FIG. 73 is a perspective view showing the relationship, and FIG.
FIG. 74 is an explanatory view showing a separated state of the electrode separating portion.
FIG. 75 is an explanatory view showing a conductive state of another electrode separation unit,
FIG. 76 is an explanatory view showing a separated state of another electrode separating section.
You. As shown in FIG. 72, the light source device main body 271 is
Has a lamp unit 272 incorporated therein.
You. The sheet sink 273 is placed on the insulating plate of the lamp unit.
And a light source lamp electrode 274 are provided.
The light sink 273 and the light source lamp electrode 274
Heat sink insertion port 275 formed in source device main body 271
And the light source lamp electrode slit 276
Has become. The lamp unit 272 is connected to the light source device main body.
271, the insulating members 277a and 277a
77b and a light source for the bridge electrode 278
The lamp electrode 274 and the heat sink 273 are electrically connected.
While hanging on the insulating members 277b and 277c.
Power supply transformer electrode 279 and light source lamp electrode passed
274 is electrically connected to the heat sink 273 and the power supply.
Transformer 280 is electrically connected. Also, in FIG.
When the lamp unit 272 is removed as shown
The heat sink electrically connected to the bridge electrode 278
273 and the light source lamp electrode 274 separate,
The light source lamp electrically connected to the power transformer electrode 279
The pump electrode 274 is separated from the power transformer 280 and the heater.
Tosink 273 is insulated. Thus, the lamp unit is inserted and removed to
Bridge electrode and power transformer electrode bridged over the edge member
Heat sinks and light source lamp electrodes
And an electrode separation part that easily separates the circuit in the path
Can be formed. Also, the feeling when replacing the lamp
In addition to preventing the danger of electric power and maintaining safety,
Downsizing and eliminates the need for an interlock switch.
The size of the device can be reduced. Other works
The usage and effects are the same as in the first embodiment. Also, as shown in FIGS.
Lead 273 and light source lamp electrode 274 to lead wire 2
The same effect can be obtained by connecting at 81. [0134] According to the present invention, as described above,
Exchanger can now access light source lamp when replacing pump
In the state, the starter of the secondary circuit and the lamp connection electrode
Keep the insulation distance of the value specified by the safety standard between
Can be separated, which prevents direct contact with live parts
To improve safety and interlock switches.
Switch is unnecessary and the insulation structure of the transformer is simplified.
This has the effect of making it possible to reduce the size of the device.
You.

BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1 to 9 relate to a first embodiment of the present invention,
1 is a side sectional view showing a configuration of a lamp house portion of the light source device. FIG. 2 is a circuit diagram showing a configuration of a lamp lighting circuit in the light source device. FIG. 3 is a side view showing a light source lamp and a heat sink holding the same. 4 is a perspective view showing the configuration of the second lamp replacement door. FIG. 5 is an explanatory view of the configuration of the lamp house portion of FIG. 1 viewed from above. FIG. 6 is a diagram showing the configuration of an electrode separation portion to which the second lamp replacement door is fitted. FIG. 7 is an explanatory sectional view showing a fitting state of an electrode separating portion and a conductive portion of a second lamp replacement door. FIG. 8 shows an appearance of a lamp house portion in a state where the second lamp replacement door is removed. FIG. 9 is an explanatory view of a lamp house portion with a heat sink removed from a front view. FIG. 10 is a view showing test pins defined by safety standards. FIG. 11 is a test finger defined by safety standards. FIG. 12 to FIG. 15 relates to a second embodiment of the present invention, and FIG. 12 is a sectional side view showing a configuration of a lamp house portion of the light source device. FIG. 13 is a perspective view showing a configuration of an electrode separation portion to which a second lamp replacement door is fitted. FIG. 14 is an explanatory cross-sectional view showing a fitting state of an electrode separating portion and a conductive portion of a second lamp replacement door. FIG. 15 is a perspective view showing a modification of the second lamp replacement door. FIG. 16 to FIG. 18 relates to a third embodiment of the present invention, and FIG. 16 is a side sectional view showing a configuration of a lamp house portion of the light source device. FIG. 17 is a perspective view showing a configuration of a second lamp replacement door. FIGS. 19 to 25 relate to a fourth embodiment of the present invention, and FIG. 19 shows a lamp house part of the fourth embodiment. FIG. 20 is an explanatory view showing a schematic configuration. FIG. 20 is a front view showing a configuration of a lamp unit. FIG. 22 is a side view of the lamp unit seen from the cathode side. FIG. 23 is a side view of the lamp unit seen from the cathode side. FIG. 23 is a perspective view showing the configuration of a lamp replacement door and a lamp unit holding member. FIG. 25 is a front view of the lamp house portion with the lamp replacement door and the lamp unit holding member removed, and FIGS. 26 to 32 relate to a fifth embodiment of the present invention. FIG. 26 is a front view showing the configuration of the lamp unit. FIG. 27 is a side view of the lamp unit viewed from the anode side. FIG. 28 is a side view of the lamp unit viewed from the cathode side. FIG. 29 is a lamp replacement door and lamp unit holding. FIG. 30 is a perspective view showing the structure of a member. FIG. 30 is a side view showing the structure of a fixing band attached to the upper surface of the lamp unit holding member. FIG. 31 is a fixing band attached to the lamp unit holding member. FIG. 32 is an explanatory view of the lamp house portion with the lamp replacement door and the lamp unit holding member removed from the front, and FIG. 33 to FIG. FIG. 33 is a front view showing the structure of the lamp unit according to the sixth embodiment. FIG. 34 is a side view of the lamp unit viewed from the anode side. FIG. 35 is a side view of the lamp unit viewed from the cathode side. FIG. 37 is a sectional side view showing the configuration of the replacement door and the lamp unit holding member. FIG. 37 is a top view of the lamp replacement door and the lamp unit holding member. FIG. 38 is a cross-sectional view taken along the line AA of FIG. 36. FIG. 40 is a front view of the lamp house portion with the lamp replacement door and the lamp unit holding member removed, and FIGS. 41 to 46 relate to a seventh embodiment of the present invention. And FIG. 41 is a side sectional view showing a configuration of a lamp house portion of the light source device. [FIG. 42] A sectional view of a cross section taken along line AA of FIG. 41 viewed from above. FIG. 44 is a perspective view showing a configuration of an electrode separating portion provided inside the lamp house. FIG. 45 is a perspective view showing a configuration of a lamp unit. FIG. 46 is a perspective view showing a configuration of a lamp replacement door. FIG. FIG. 48 and FIG. 49 relate to a ninth embodiment of the present invention, and FIG. 48 is a perspective view illustrating a configuration of a lamp unit according to a ninth embodiment of the present invention. FIG. 49 is a side sectional view showing the structure of a lamp house. FIGS. 50 to 53 are related to the tenth embodiment of the present invention, and FIG. 50 is a sectional view showing a schematic structure of an electric contact portion. An example in which an electrode unit is used for an electric contact portion. FIG. 52 is a sectional view showing a state where an electrode unit of an electric contact portion is removed. FIG. 53 is a perspective view showing an electrode unit. FIG. 54 and FIG. 55 relate to an eleventh embodiment of the present invention. 55 is a cross-sectional view showing an electrode separating portion. FIG. 55 is a plan view for explaining the operation of FIG. 54. FIG. 56 to FIG. 58 are related to the twelfth embodiment of the present invention, and FIG. FIG. 57 is a cross-sectional view showing a state in which the electrode separation unit is connected to the power supply device in a closed state. FIG. 57 is a cross-sectional view showing a state in which the electrode separation unit is shielded by a shield plate. 59 and 60 relate to a thirteenth embodiment of the present invention, and FIG. 59 is a perspective view showing a configuration of a lamp replacement door. FIG. 60 is a sectional view showing a schematic configuration of a lamp house portion. FIG. 62 is a perspective view showing the relationship between the light source device main body and the lamp unit. FIG. 63 is a sectional view showing the structure of a lamp house and a lamp unit according to a fourteenth embodiment of the present invention. FIGS. 63 to 69 relate to a fifteenth embodiment of the present invention. FIG. FIG. 64 is a cross-sectional view when an elastic member is used for an electrode separating portion of the lamp house portion. FIG. 65 is a sectional view when a leaf spring is used for an elastic member of the electrode separating portion of the lamp house portion. FIG. 66 is a sectional view showing another example of FIG. 64. FIG. 67 is a sectional view showing another example of FIG. 65. FIG. 68 is a sectional view showing another example of FIG. FIG. 69 is a sectional view showing still another example of FIG. 65. FIGS. 70 and 71 relate to a fourteenth embodiment of the present invention, and FIG. 70 is a perspective view of a lamp house part provided with a shielding plate. FIG. 71 is a sectional view of a lamp house portion provided with a shielding plate. FIGS. 76 to 76 relate to the fifteenth embodiment of the present invention, and FIG. 72 is a perspective view showing a relationship with a lamp house unit playing card unit. FIG. 73 is an explanatory view showing a conductive state of an electrode separating unit. FIG. 75 is an explanatory view showing a conductive state of another electrode separating section. FIG. 76 is an explanatory view showing a separating state of another electrode separating section. FIG. 77 is a conventional view. 77 is a circuit diagram showing a schematic configuration of a lamp lighting circuit in a conventional light source device. FIG. 78 is a cross-sectional view showing an internal configuration of a transformer. [Description of References] 21. Light source device 22. Xenon lamp 23. Heat sink 25 ... Heat sink support rod 29 ... Housing 30 ... First lamp replacement door 32 ... Lamp unit 33 ... Second lamp replacement door 35 ... Conductive pattern 36 ... Electrode separation part 37 ... Lamp house body 38 ... Insertion hole opening 1 ... commercial power supply 43 ... Switching power supply 44 ... transformer 45 ... Starter 46 ... electrode separating portions 50 and 51 ... electrical contacts

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yuichi Yamada 2-43-2 Hatagaya, Shibuya-ku, Tokyo Within O-Limpus Optical Industry Co., Ltd. (72) Inventor Masanobu Kotabashi 2-43-2 Hatagaya, Shibuya-ku, Tokyo O-Limpus Optical Industrial Co., Ltd. (72) Inventor Keiji Handa 2-43-2 Hatagaya, Shibuya-ku, Tokyo O-limpus Optical Industrial Co., Ltd. (72) Inventor Toshiaki Nishikori 2-43-2, Hatagaya, Shibuya-ku, Tokyo Within the Olympus Optical Co., Ltd. (72) Inventor Akihiro Amemiya 2-43-2 Hatagaya, Shibuya-ku, Tokyo In the Olympus Optical Co., Ltd. (72) Inventor Masato Toda 2-43-2, Hatagaya, Shibuya-ku, Tokyo O-Limpus Optical Co., Ltd. (72) Inventor: Tsuguhisa Sasai 2-43-2 Hatagaya, Shibuya-ku, Tokyo Optical Industry Co., Ltd. (72) Inventor Kazushi Takamizawa 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Industry Co., Ltd. (56) References JP-A-59-20138 (JP, A) 5-53062 (JP, A) Japanese Utility Model Showa 55-45379 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) G02B 23/26 A61B 1/06

Claims (1)

(57) [Claim 1] Through a starter for generating a high voltage
A light source lamp connected to a power source, a housing accommodating the light source lamp, a door detachably attached to the housing, and
And a separating means for electrically separating the starter from the light source.