CN209402593U - A kind of high temperature resistant radiation resistance video equipment - Google Patents
A kind of high temperature resistant radiation resistance video equipment Download PDFInfo
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- CN209402593U CN209402593U CN201822151758.1U CN201822151758U CN209402593U CN 209402593 U CN209402593 U CN 209402593U CN 201822151758 U CN201822151758 U CN 201822151758U CN 209402593 U CN209402593 U CN 209402593U
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- radiation resistance
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Abstract
The utility model belongs to nuclear power inservice inspection applied technical field, and in particular to a kind of high temperature resistant radiation resistance video equipment.Nuclear power station is during operation and refueling outage, it is desirable that the video equipment of application obtains the image for meeting code requirement in high temperature, strong radiation environment.A kind of resistance to strong irradiation video equipment of high temperature resistant, comprising: visible reflectance device, irradiation shielded layer.Visible reflectance device includes reflecting mirror, adjustment support base, lens supports, it is seen that light reflecting device bolt is fixedly mounted on video equipment bottom；Thermostat includes semiconductor refrigerating chip, soaking plate, radiating fin, machine core cylinder, the temperature control plate with temperature sensor；The huyashi-chuuka (cold chinese-style noodles) of semiconductor refrigerating chip and one face of machine core cylinder or four face pastes are closed, and the hot face of semiconductor refrigerating chip is bonded with soaking plate, is equipped with metal shell among soaking plate and radiating fin.The equipment can the uninterrupted failure-free operation in high temperature, strong radiation environment, have good stability and low power capabilities.
Description
Technical field
The invention belongs to nuclear power inservice inspection applied technical fields, and in particular to a kind of high temperature resistant radiation resistance video equipment.
Background technique
Nuclear power station is during operation and refueling outage, and part inspection environment temperature reaches 60 DEG C or more, and radiation dose rate is high
In 1000Gy/h.According to nuclear power plant's coherence check code requirement, the equipment under this part high temperature, strong radiation environment is regarded
Frequency checks that video check needs to observe the flaws such as crackle, corrosion on tested surface, requires the video equipment of application thus
The image for meeting code requirement is obtained in high temperature, strong radiation environment.The equipment also needs to guarantee in high temperature, strong radiation environment
Uninterrupted failure-free operation has good stability and low power capabilities.
Summary of the invention
1. purpose:
To guarantee video inspection device under high temperature, strong radiation environment, it can obtain and meet nuclear power plant's inspection code requirement
Image, guarantee uninterrupted failure-free operation.Thus by selecting corresponding radiation resistance material, corresponding structure is designed, is developed
A kind of high temperature resistant radiation resistance video equipment out.
2. technical solution
Realize the technical solution of the object of the invention are as follows:
A kind of resistance to strong irradiation video equipment of high temperature resistant, comprising: visible reflectance device, irradiation shielded layer.Visible reflectance
Device includes reflecting mirror, adjustment support base, lens supports, and reflecting mirror is mounted on adjustment support base, it is seen that light reflecting device spiral shell
Bolt is fixedly mounted on video equipment bottom, and lens supports are mounted by means of bolts on the bottom surface of adjustment support base, reflecting mirror
It is placed against lens supports；Thermostat includes semiconductor refrigerating chip, soaking plate, radiating fin, machine core cylinder, band temperature sensing
The temperature control plate of device；Temperature control plate with temperature sensor is mounted on the top of the machine core cylinder with Thermal conductivity, semiconductor
The huyashi-chuuka (cold chinese-style noodles) of refrigeration wafer and one face of machine core cylinder or four face pastes are closed, and the hot face of semiconductor refrigerating chip is bonded with soaking plate,
Metal shell is installed among soaking plate and radiating fin；Irradiation shielded layer is mounted by means of bolts on shell.
It irradiates shielded layer and uses multiple material stacked system, include lead, tungsten alloy, tungsten polymer, depleted nuclear fuel；Irradiation shielding
Layer is eccentric structure, and the shielding thickness close to fuel rod side is much larger than the thickness far from fuel rod side, and base thickness is by shielding
The half-life period for covering material determines.
The gap location of shell and machine core cylinder is filled with adiabatic heat-insulation layer material, conducts for completely cutting off outside heat to machine
In core cylinder.Shell is connect with upper end cover using screw.
Radiating fin generally page shape structure, radiating fin middle section is provided with screw hole and is fixedly connected with housing bolts.Machine core
Cylinder, which is nested with, is equipped with industrial camera and camera lens.
The section for adjusting support base is L shape, and the strong glass of translucency or acrylic board bolt are fixedly mounted on adjustment support
On seat right side.
Circuit connection between semiconductor refrigerating chip and temperature control plate with temperature sensor forms close loop control circuit.Band
The temperature of the intracorporal temperature of machine core cylinder and the setting of semiconductor refrigerating chip that the temperature control plate comparison of temperature sensor is collected, and then control
Semiconductor refrigerating chip work processed.
3. effect
1) there is thermostat inside video-unit, by automatically controlling, guarantee that camera is still able to maintain perseverance under high temperature environment
Determine temperature.
2) increase radiation shielding structure outside camera machine core, carried out by high energy particle of the radiation shield to a variety of energy levels
Decaying.
It can make common technical grade video equipment under high temperature, strong radiation environment using technical solution of the present invention, energy
Enough obtain meets the image that nuclear power plant checks code requirement, guarantees uninterrupted failure-free operation.Greatly reduce the use of equipment at
This, the maintenance that good stability can reduce the equipment of inspection personnel avoids inspection personnel from injuring by more large radiation dosage
Risk.The check device can be adapted for the inservice inspection and environmental monitoring of different heap-type nuclear power plants.
Detailed description of the invention
Fig. 1 visible reflectance device figure
Fig. 2 temperature control device schematic diagram
Fig. 3 irradiates shielding construction top view
In figure: 1, reflective mirror；2, support base is adjusted；3, radiating fin；4, shell；5, refrigeration wafer；6, soaking plate；7, upper end
Lid；8, with the temperature control plate of temperature sensor；9, machine core cylinder；10, industrial camera and camera lens；11, shielded layer is irradiated.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments:
On the basis of general industry grade video equipment, visible reflectance device, thermostat and irradiation shielding knot are installed additional
Structure.On the optical sensor for avoiding radioactivity high energy particle direct irradiation camera by visible reflectance device, by automatic
The thermostat of control can guarantee that camera works under the steady temperature close to room temperature, by irradiation shielded layer to a variety of energy levels
High energy particle decay.
Visible reflectance device includes reflecting mirror 1, adjustment support base 2, lens supports 12.
Thermostat include semiconductor refrigerating chip 5, soaking plate 6, radiating fin 3, machine core cylinder 9, with temperature sensor
Temperature control plate 8.
It irradiates shielded layer 11 to be superimposed using a variety of shielding materials, includes lead, tungsten alloy, tungsten polymer, depleted nuclear fuel etc..
As shown in Figure 1, needing to make camera optical axis and quilt to avoid radioactivity high energy particle direct irradiation camera photosensitive element
Examine part surface parallel arrangement, it is seen that light reflecting device includes reflecting mirror 1 and adjustment support base 2, and reflecting mirror 1 is mounted on and adjusts branch
It supports on seat 2, lens supports 12 are connected with the bottom bolts of adjustment support base 2, and adjusting support base and lens supports 12 can dismantle
Replacement, to adjust the angle between reflecting mirror and camera optical axis according to actual needs.
Thermostat
As shown in Fig. 2, industrial camera and camera lens 10, the temperature control plate 8 with temperature sensor are mounted on thermal conductive resin
In the machine core cylinder 9 of energy, to guarantee that camera, temperature control plate and temperature sensor have good working environment, while being passed with temperature
The temperature control plate 8 of sensor acquires the environment temperature of camera in real time.Semiconductor refrigerating chip 5 and 8 structure of temperature control plate with temperature sensor
At accurate close loop control circuit, temperature sensor collects the temperature in machine core cylinder 9 and temperature value is passed to temperature control plate,
Temperature control plate compares the temperature value of the temperature of acquisition and setting, if the temperature obtained is higher than set temperature, refrigeration wafer
It will start to freeze, if the temperature obtained is lower than set temperature, refrigeration wafer will stop freezing.
The huyashi-chuuka (cold chinese-style noodles) of semiconductor refrigerating chip 5 and 9 one faces of machine core cylinder or four face pastes are closed, and semiconductor refrigerating chip 5 exists
When work, refrigeration forms low temperature face on one side, assembles to form high temperature face because of heat on one side, and semiconductor refrigerating chip 5 is machine core cylinder 9
Interior to provide the operating temperature for being lower than room temperature, the heat that the hot face of semiconductor refrigerating chip 5 generates passes through the soaking closed with this face paste
Plate 6 conducts heat on radiating fin 3, and heat is shed upper end cover by radiating fin.
In the gap location of shell 4 and machine core cylinder 9, adiabatic heat-insulation layer material is filled, mainly the conduction of isolation outside heat
To machine core cylinder 9.Shell 4 is connect with upper end cover 7 using screw.
Irradiate shielding construction
As shown in figure 3, irradiation shielded layer 11 uses multiple material stacked system, comprising lead, tungsten alloy, tungsten polymer, poor
Change uranium etc..
The present apparatus is mainly used for the fuel assembly inspection of nuclear power station, during the inspection process, close to putting for fuel rod side
Penetrating property high energy particle is more, and the other side far from fuel rod is lacked by what radioactivity high energy particle irradiated, therefore above-mentioned irradiation shields
Structure is designed as eccentric structure.Shielding thickness close to fuel rod side is much larger than the thickness far from fuel rod side.Shielded layer
Base thickness determined according to the half-life period of different shielding materials.For carrying out the inside of the radioactivity structure members such as hole, hole
When inspection, camera is placed on the center of shielded layer.
The irradiation shielding construction of the present apparatus uses tungsten polymer by the way of multiple material superposition, for labyrinth
Or lead is shielded, and structure simple components are processed using materials such as tungsten, depleted nuclear fuel, tungsten alloys.Different shielding materials can
Effectively to shield the high energy particle of different energy levels.
The utility model has the advantages that
The present invention uses semiconductor refrigerating chip, and major advantage is as follows: any refrigerant is not needed a), it can continuous work
Make, pollution-free source；There is no rotary part, will not generate gyroscopic action, when work do not shake, noise, service life are long, and installation is held
Easily.B) semiconductor refrigerating chip is electric current transducing matrix part, by the control of input current, it can be achieved that high-precision temperature control
System, remote control easy to accomplish, the control of program-controlled, computer, convenient for composition automatic control system.C) semiconductor refrigerating chip thermal inertia
Small, the cooling and warming time is fast, in the case where the good cold end of hot-side heat dissipation is unloaded, is powered less than one minute, semiconductor refrigerating is brilliant
Piece can reach maximum temperature difference.D) the temperature difference range of semiconductor refrigerating chip is big, DEG C can realize from+90 DEG C to -130.
The present invention is mounted in other detection devices of independent research, the detection system of complete set is formed, observes
The flaws such as crackle, corrosion, obtain the image for meeting code requirement on tested surface.After video detection finds suspicious display,
Comprehensive descision is carried out to suspicious display.
Claims (10)
1. a kind of high temperature resistant radiation resistance video equipment, comprising: visible reflectance device, irradiation shielded layer, it is characterised in that: described
Visible reflectance device include reflecting mirror (1), adjustment support base (2), lens supports (12), reflecting mirror (1) is mounted on adjustment
On support base (2), it is seen that light reflecting device bolt is fixedly mounted on video equipment bottom, and lens supports (12) are bolted
It is mounted on the bottom surface of adjustment support base (2), reflecting mirror (1) is placed against lens supports (12)；Thermostat includes semiconductor
Refrigeration wafer (5), soaking plate (6), radiating fin (3), machine core cylinder (9), the temperature control plate (8) with temperature sensor；Band temperature passes
The temperature control plate (8) of sensor is mounted on the top of the machine core cylinder (9) with Thermal conductivity, semiconductor refrigerating chip (5)
Huyashi-chuuka (cold chinese-style noodles) and (9) faces of machine core cylinder or four face pastes are closed, and the hot face of semiconductor refrigerating chip (5) is bonded with soaking plate (6),
Metal shell (4) are installed among hot plate (6) and radiating fin (3)；The irradiation shielded layer (11) is bolted installation
On shell (4).
2. a kind of high temperature resistant radiation resistance video equipment as described in claim 1, it is characterised in that: the irradiation shielded layer
(11) multiple material stacked system is used, includes lead, tungsten alloy, tungsten polymer, depleted nuclear fuel.
3. a kind of high temperature resistant radiation resistance video equipment as described in claim 1, it is characterised in that: the shell (4) and machine
The gap location of core cylinder (9) is filled with adiabatic heat-insulation layer material, conducts for completely cutting off outside heat to machine core cylinder (9).
4. a kind of high temperature resistant radiation resistance video equipment as claimed in claim 3, it is characterised in that: the shell (4) with it is upper
End cap (7) is connected using screw.
5. a kind of high temperature resistant radiation resistance video equipment as described in claim 1, it is characterised in that: the radiating fin (3) is whole
Body is page shape structure, and radiating fin (3) middle section is provided with screw hole and is fixedly connected with shell (4) bolt.
6. a kind of high temperature resistant radiation resistance video equipment as claimed in claim 2, it is characterised in that: the irradiation shielded layer
(11) be eccentric structure, close to fuel rod side shielding thickness be much larger than far from fuel rod side thickness, base thickness by
The half-life period of shielding material determines.
7. a kind of high temperature resistant radiation resistance video equipment as described in claim 1, it is characterised in that: the machine core cylinder (9)
It is nested with and industrial camera and camera lens (10) is installed.
8. a kind of high temperature resistant radiation resistance video equipment as described in claim 1, it is characterised in that: the adjustment support base
(2) section is L shape, and the strong glass of translucency or acrylic board bolt are fixedly mounted on adjustment support base (2) right side.
9. a kind of high temperature resistant radiation resistance video equipment as described in claim 1, it is characterised in that: the semiconductor refrigerating is brilliant
Circuit connection between piece (5) and temperature control plate (8) with temperature sensor forms close loop control circuit.
10. a kind of high temperature resistant radiation resistance video equipment as claimed in claim 9, it is characterised in that: the band temperature sensing
The temperature for the temperature and semiconductor refrigerating chip (5) setting in machine core cylinder (9) that temperature control plate (8) comparison of device is collected, in turn
Control semiconductor refrigerating chip (5) work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822151758.1U CN209402593U (en) | 2018-12-21 | 2018-12-21 | A kind of high temperature resistant radiation resistance video equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822151758.1U CN209402593U (en) | 2018-12-21 | 2018-12-21 | A kind of high temperature resistant radiation resistance video equipment |
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| CN209402593U true CN209402593U (en) | 2019-09-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111355869A (en) * | 2018-12-21 | 2020-06-30 | 核动力运行研究所 | High-temperature-resistant and irradiation-resistant video equipment |
| CN114222038A (en) * | 2021-11-22 | 2022-03-22 | 北京时代民芯科技有限公司 | Light-weight radiation-resistant camera electronic system based on radiation-resistant chip |
-
2018
- 2018-12-21 CN CN201822151758.1U patent/CN209402593U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111355869A (en) * | 2018-12-21 | 2020-06-30 | 核动力运行研究所 | High-temperature-resistant and irradiation-resistant video equipment |
| CN114222038A (en) * | 2021-11-22 | 2022-03-22 | 北京时代民芯科技有限公司 | Light-weight radiation-resistant camera electronic system based on radiation-resistant chip |
| CN114222038B (en) * | 2021-11-22 | 2023-09-01 | 北京时代民芯科技有限公司 | Light-weight radiation-resistant camera electronic system based on radiation-resistant chip |
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