CN212963484U - Nuclear instrument control internal environment monitoring module - Google Patents
Nuclear instrument control internal environment monitoring module Download PDFInfo
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- CN212963484U CN212963484U CN202022345561.9U CN202022345561U CN212963484U CN 212963484 U CN212963484 U CN 212963484U CN 202022345561 U CN202022345561 U CN 202022345561U CN 212963484 U CN212963484 U CN 212963484U
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Abstract
The utility model discloses an environmental monitoring module in nuclear instrument accuse, including T shape line head, integrated circuit board containing box, the major part end of T shape line head inwards caves in and forms the cardboard fixed slot, and its cardboard fixed slot inner wall is provided with the dop, and the integrated circuit board containing box inwards caves in and forms the cardboard holding tank towards one side of the major part end of T shape line head, environment sensing function electron integrated circuit board and cardboard fixed slot fixed connection are provided with all kinds of binding post on the T shape line head, and the port on the environment sensing function electron integrated circuit board is connected with all kinds of binding post through the wire, still be provided with cardboard road groove in the cardboard holding tank, environment sensing function electron integrated circuit board inserts in the cardboard road groove; the board card accommodating box is made of a metal hollow shell. Compared with the prior art, the utility model, it adopts the separation design to think about, with binding post overall arrangement to according to air switch's appearance structure on, then adopt independent dustproof radiating packaging body to dispel the heat and protect to the board card.
Description
Technical Field
The utility model relates to a nuclear instrument accuse rack part equipment field, concretely relates to environmental monitoring module in nuclear instrument accuse.
Background
In the technical field of nuclear instrument control cabinets, a plurality of signal transmission channels for monitoring nuclear reactor key parameters are arranged in the nuclear instrument control cabinet, so that a plurality of groups of power equipment are arranged in the nuclear instrument control cabinet, a large amount of electric energy is consumed during operation, a large amount of heat is generated, and in order to guarantee the safe operation of the nuclear instrument control cabinet, the internal operation environment of the nuclear instrument control cabinet needs to be monitored, so that corresponding environment sensing equipment needs to be configured.
Because the existing environment monitoring module is not provided with a remote transmission function and only has the functions of sensing data acquisition and local display, the whole structure is small, and high-power components are not arranged, so that the existing environment sensing equipment is arranged in a box and then transmits data to the local display; if will realize the teletransmission, then need adopt powerful processing element to carry out teletransmission communication, but because instrument accuse cabinet internal environment temperature is high, environment sensing equipment itself in addition will generate heat, consequently, environment sensing equipment's operating condition is comparatively abominable, simultaneously owing to need set up the signal transmission lead wire, and signal transmission lead wire itself draws forth from environment sensing equipment's box, even carry out the heat dissipation design to the box, also can lead to the radiating efficiency to reduce owing to sheltering from of transmission lead wire, consequently need redesign environment sensing equipment.
SUMMERY OF THE UTILITY MODEL
The utility model provides an environmental monitoring module in nuclear instrument accuse adopts the structure of main part and the partial separation design of end of a thread to effectual signal transmission lead of avoiding produces the influence to radiating main part, makes environmental monitoring module have better operating condition.
The technical scheme of the utility model is that:
the nuclear instrument control internal environment monitoring module comprises a T-shaped wire head part and a board card accommodating box, wherein the large end of the T-shaped wire head part is inwards sunken to form a board card fixing groove, a clamping head is arranged on the inner wall of the board card fixing groove, one side, facing the large end of the T-shaped wire head part, of the board card accommodating box is inwards sunken to form a board card accommodating groove, a clamping strip is arranged on a notch of the board card accommodating groove, and the clamping head and the clamping strip are matched to form a clamping relation;
the environment sensing electronic board card is fixedly connected with the card board fixing groove, various wiring terminals are arranged on the T-shaped wire head, ports on the environment sensing electronic board card are connected with the various wiring terminals through wires, a card board channel groove is also arranged in the card board accommodating groove, and the environment sensing electronic board card is inserted into the card board channel groove; the board card accommodating box is made of a metal hollow shell.
In the prior art, the environment sensing module is a rectangular box, and needs a plurality of different signal terminals (RS232, RS485, etc.) to output signals, and the area occupied by the signal terminals is large, so the commonly adopted terminal layout is as follows: in the side of difference overall arrangement signal terminal respectively, and for the heat dissipation, general signal sets up the louvre on the rectangle box, this kind of design makes the wire of connection on signal terminal interfere with these louvres each other, lead to the radiating efficiency poor, in order to solve this problem, general designer adopts the aperture with the louvre to increase, nevertheless with the aperture increase can lead to the dust to fall into inside integrated circuit board easily, lead to the integrated circuit board trouble, because nuclear instrument accuse rack is at the nearer position of nuclear environment, consequently if lead to the integrated circuit board trouble consequently, then must need personnel to go to change before, this can lead to endangering staff's safety risk. Therefore, when the environment sensing module is designed, good heat dissipation performance and good dust separation function are needed to ensure safe and stable operation of the equipment.
In order to solve the problems, the utility model discloses a components of a whole that can function independently design concept, namely, T shape line head and integrated circuit board hold the box have been designed, wherein environment sensing function electron integrated circuit board and T shape line head are the fixed connection relation, when using, directly insert environment sensing function electron integrated circuit board in the integrated circuit board holds the box can, wherein, T shape line head borrows the concept of air switch shell form, forms signal terminal, it can set up multiunit signal terminal from top to bottom, and T shape line head and integrated circuit board hold the box and then adopt the buckle assembly relation; the board card accommodating box adopts an independent heat dissipation structure, and the back of the board card accommodating box can be directly assembled with a guide rail in the nuclear instrument control cabinet by adopting a clamping groove; the whole structure is similar to the air switch and is matched on the guide rail, and the difference is that each device is arranged in the T-shaped structure of the air switch, and the signal terminal is connected with the environment sensing function electronic board card by the built-in lead at the head part of the T-shaped wire of the utility model; most of the electronic board card with the environment sensing function is inserted into the board card accommodating box to be radiated. Therefore, the signal line can be vertically led out upwards, and cannot interfere with the surface where the heat dissipation hole is located, so that the heat dissipation effect is reduced.
On the basis of the technical scheme, the method further comprises the following steps:
the side is opened to the side about the fretwork casing has and forms shell heat dissipation rib along the strip groove of direction of height, between the strip groove, and a plurality of louvre is opened to the upper and lower both sides face of fretwork casing, and the integrated circuit board holds about the box, upper and lower inner wall and is provided with the grid that staggers of bilayer, and cardboard way groove sets up the medial surface at the grid that staggers of bilayer.
In order to realize good heat dissipation design and dust insulation design, the utility model adopts double-layer staggered grids to realize dust prevention, and the staggered grids are adopted on the two side surfaces, the top surface and the bottom surface; and then natural heat dissipation air convection is adopted for heat dissipation, the heat dissipation ribs enter from bottom to top, and the shell heat dissipation ribs with stripes are arranged on two side surfaces of the appearance, so that heat dissipation is realized while modeling is realized, and heat can enter and exit from gaps and upper and lower heat dissipation holes.
On the basis of the technical scheme, the method further comprises the following steps:
the T-shaped line head comprises a first-stage step body and a second-stage step body, the height of the first-stage step body is smaller than that of the second-stage step body, the height middle point of the first-stage step body and the height middle point of the second-stage step body are at the same horizontal height, the first-stage step body and the second-stage step body are integrated to form a T-shaped structure, and the upper side face and the lower side face of the first-stage step body and the upper side face and the lower side face of.
On the basis of the technical scheme, the method further comprises the following steps:
an RS485-B terminal (12) is arranged on the upper side face of the first-stage step body, and the RS485-B terminal is connected with an RS485-B port on the environment sensing function electronic board card through a lead; the lower side surface of the first-stage step body is provided with an RS232-B terminal, and the RS232-B terminal is connected with an RS232-B port on the electronic board card with the environment sensing function through a lead;
the upper side surface of the secondary step body is provided with an RS485-A terminal, and the RS485-A terminal is connected with an RS485-A port on the electronic board card with the environment sensing function through a lead; and an RS232-A terminal is arranged on the lower side surface of the secondary step body and is connected with an RS232-A port on the electronic board card with the environment sensing function through a lead.
On the basis of the technical scheme, the method further comprises the following steps:
and the upper side surface or the lower side surface of the first-stage step body or the second-stage step body is provided with a power supply terminal, and the power supply terminal is connected with a power supply port on the electronic board card with the environment sensing function through a wire.
On the basis of the technical scheme, the method further comprises the following steps:
the left side face or the right side face of the integration of the first-stage step body and the second-stage step body is provided with a power supply and a side-out signal terminal, and the power supply and the side-out signal terminal are connected with a power supply and a signal port on the environment sensing function electronic board card through a lead.
In above-mentioned structure, the one-level step body can be according to the different signal terminal of demand configuration with the second level step body, adopts the one-level step body and the second level step body to form the T structure, and its purpose is in order to make things convenient for operating personnel to dismantle in the front, consequently, signal terminal is disposed 2 sides from top to bottom, openly adopts every binding post of screw correspondence to convenient dismantlement and assembly. When changing, need not to dismantle overall structure, only need press the side about T shape line head for the buckle in the T shape line head removes in opposite directions, and the card strip separation on the fretwork casing can be taken off with T shape line head and environmental sensing function electronic card, renew again can.
On the basis of the technical scheme, the method further comprises the following steps:
the back side of the board card accommodating box is provided with a notch matched with the guide rail in a clamping way.
On the basis of the technical scheme, the method further comprises the following steps:
and the notch is provided with a spring clamping piece for jacking the guide rail.
The utilization holds the box trailing flank breach at the integrated circuit board so that with the guide rail hanging, still be provided with the spring fastener simultaneously for convenient installation and dismantlement, the spring fastener has along direction of height elastic deformation's coil spring, this structure is prior art, consequently no longer gives unnecessary details.
On the basis of the technical scheme, the method further comprises the following steps:
the environment sensing function electronic board card is a temperature and humidity sensing function electronic board card or a smoke sensing function electronic board card or a radiation dose sensing function electronic board card or an attitude sensing function electronic board card.
On the basis of the technical scheme, the method further comprises the following steps:
the environment sensing function electronic board card comprises a temperature and humidity sensing device or a smoke sensing device or a radiation dose sensing device or an attitude sensing device, an analog-to-digital conversion device, a data processor, a communication transmission module and a power module, wherein the temperature and humidity sensing device or the smoke sensing device or the radiation dose sensing device or the attitude sensing device, the analog-to-digital conversion device, the data processor and the communication transmission module are sequentially connected in a data transmission manner.
The utility model discloses can also have the data display part in the design in the front, the state of real-time display control cabinet-type air conditioner, and have the early warning pilot lamp to show.
Compared with the prior art, the utility model, it adopts the separation design to think about, with binding post overall arrangement to according to air switch's appearance structure on, then adopt independent dustproof radiating packaging body to dispel the heat and protect to the board card. The module has the advantages that heat dissipation is utilized, multiple wiring ports are arranged, the conflict between multiple wiring terminals and a heat dissipation structure is avoided, and the service life of the module is effectively prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of a board card accommodating box;
FIG. 3 is a schematic cross-sectional view of a T-shaped wire header;
fig. 4 is a schematic view of the assembly of the present invention with a guide rail;
reference numbers and corresponding part names in the drawings:
1. a T-shaped wire head; 11. an RS485-A terminal; 12. an RS485-B terminal; 13. an RS232-B terminal; 14. an RS232-A terminal; 15. a power supply and side-out signal terminals; 2. a board card accommodating box; 21. a housing heat dissipating rib; 22. double-layer staggered grids; 23. heat dissipation holes; 24. a card rail groove; 3. a spring clip; 4. an electronic board card with an environment sensing function; 5. a guide rail.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1:
as shown in fig. 1-4, the nuclear instrument control internal environment monitoring module comprises a T-shaped wire head portion 1 and a board card accommodating box 2, wherein a large head end of the T-shaped wire head portion 1 is recessed inwards to form a board card fixing groove, a clamping head is arranged on the inner wall of the board card fixing groove, one side, facing the large head end of the T-shaped wire head portion 1, of the board card accommodating box 2 is recessed inwards to form a board card accommodating groove, a clamping strip is arranged on a notch of the board card accommodating groove, and the clamping head and the clamping strip are matched to form a clamping relation;
the environment sensing electronic card is characterized by further comprising an environment sensing functional electronic card 4, wherein the environment sensing functional electronic card is fixedly connected with a card board fixing groove, various wiring terminals are arranged on the T-shaped wire head part 1, ports on the environment sensing functional electronic card are connected with the various wiring terminals through wires, a card board channel 24 is further arranged in the card board accommodating groove, and the environment sensing functional electronic card is inserted into the card board channel 24; the board card accommodating box 2 is made of a metal hollow shell.
In the prior art, the environment sensing module is a rectangular box, and needs a plurality of different signal terminals (RS232, RS485, etc.) to output signals, and the area occupied by the signal terminals is large, so the commonly adopted terminal layout is as follows: in the side of difference overall arrangement signal terminal respectively, and for the heat dissipation, general signal sets up the louvre on the rectangle box, this kind of design makes the wire of connection on signal terminal interfere with these louvres each other, lead to the radiating efficiency poor, in order to solve this problem, general designer adopts the aperture with the louvre to increase, nevertheless with the aperture increase can lead to the dust to fall into inside integrated circuit board easily, lead to the integrated circuit board trouble, because nuclear instrument accuse rack is at the nearer position of nuclear environment, consequently if lead to the integrated circuit board trouble consequently, then must need personnel to go to change before, this can lead to endangering staff's safety risk. Therefore, when the environment sensing module is designed, good heat dissipation performance and good dust separation function are needed to ensure safe and stable operation of the equipment.
In order to solve the problems, the utility model discloses a components of a whole that can function independently design concept, namely, T shape line head 1 and integrated circuit board hold box 2 have been designed, wherein environment sensing function electron integrated circuit board and T shape line head 1 are the fixed connection relation, when using, directly insert environment sensing function electron integrated circuit board in integrated circuit board hold box 2 can, wherein, T shape line head 1 borrows the design of air switch shell form, form the signal terminal, it can set up multiunit signal terminal from top to bottom, and T shape line head 1 and integrated circuit board hold box 2 then adopt the buckle fit relation; the board card accommodating box 2 adopts an independent heat dissipation structure, and the back of the board card accommodating box 2 adopts a clamping groove to be directly assembled with a guide rail in the nuclear instrument control cabinet; the whole structure is similar to the air switch and is matched on the guide rail, the difference is that each device is arranged in the T-shaped structure of the air switch, and the T-shaped wire head part 1 of the utility model is formed by connecting a signal terminal with an electronic board with the environment sensing function through a built-in wire; most of the electronic board card with the environment sensing function is inserted into the board card accommodating box 2 to be radiated. Therefore, the signal line can be vertically led out upwards, and cannot interfere with the surface where the heat dissipation hole is located, so that the heat dissipation effect is reduced.
On the basis of the technical scheme, the method further comprises the following steps:
the side is opened along the strip groove of direction of height, forms shell heat dissipation rib 21 between the strip groove about the fretwork casing, and a plurality of louvre 23 is opened to the upper and lower both sides face of fretwork casing, and the board card holds about box 2, upper and lower inner wall and is provided with the grid 22 that staggers of bilayer, and cardboard way groove 24 sets up the medial surface at the grid 22 that staggers of bilayer.
In order to realize good heat dissipation design and dust insulation design, the utility model adopts double-layer staggered grids to realize dust prevention, and the staggered grids are adopted on the two side surfaces, the top surface and the bottom surface; and then natural heat dissipation air convection is adopted for heat dissipation, the heat dissipation ribs enter from bottom to top, and the shell heat dissipation ribs with stripes are arranged on two side surfaces of the appearance, so that heat dissipation is realized while modeling is realized, and heat can enter and exit from gaps and upper and lower heat dissipation holes.
On the basis of the technical scheme, the method further comprises the following steps:
the T-shaped line head part 1 comprises a first-stage step body and a second-stage step body, the height of the first-stage step body is smaller than that of the second-stage step body, the height middle point of the first-stage step body and the height middle point of the second-stage step body are at the same horizontal height, the first-stage step body and the second-stage step body are integrated to form a T-shaped structure, and the upper side face and the lower side face of the first-stage step body and the lower side face of the second-.
On the basis of the technical scheme, the method further comprises the following steps:
the upper side surface of the first-stage step body is provided with an RS485-B terminal 12, and the RS485-B terminal is connected with an RS485-B port on the electronic board card with the environment sensing function through a lead; an RS232-B terminal 13 is arranged on the lower side surface of the first-stage step body, and the RS232-B terminal is connected with an RS232-B port on the electronic board card with the environment sensing function through a lead;
the upper side surface of the secondary step body is provided with an RS485-A terminal 11, and the RS485-A terminal is connected with an RS485-A port on the electronic board card with the environment sensing function through a lead; and an RS232-A terminal 14 is arranged on the lower side surface of the secondary step body, and the RS232-A terminal is connected with an RS232-A port on the electronic board card with the environment sensing function through a lead.
On the basis of the technical scheme, the method further comprises the following steps:
and the upper side surface or the lower side surface of the first-stage step body or the second-stage step body is provided with a power supply terminal, and the power supply terminal is connected with a power supply port on the electronic board card with the environment sensing function through a wire.
On the basis of the technical scheme, the method further comprises the following steps:
the left side face or the right side face of the integration of the first-stage step body and the second-stage step body is provided with a power supply and side-out signal terminal 15, and the power supply and the side-out signal terminal are connected with a power supply and a signal port on the environment sensing function electronic board card through a lead.
In above-mentioned structure, the one-level step body can be according to the different signal terminal of demand configuration with the second level step body, adopts the one-level step body and the second level step body to form the T structure, and its purpose is in order to make things convenient for operating personnel to dismantle in the front, consequently, signal terminal is disposed 2 sides from top to bottom, openly adopts every binding post of screw correspondence to convenient dismantlement and assembly. When changing, need not to dismantle overall structure, only need press the side about T shape line head 1 for buckle in the T shape line head 1 removes in opposite directions, and the card strip separation on the fretwork casing can be taken off with T shape line head 1 and environmental sensing function electronic card, more renew again can.
On the basis of the technical scheme, the method further comprises the following steps:
the back side of the board card accommodating box 2 is provided with a notch matched with the guide rail 5 in a clamping way.
On the basis of the technical scheme, the method further comprises the following steps:
and a spring clamping piece 3 for jacking the guide rail is assembled at the notch.
The utilization holds 2 trailing flank breach of box at the integrated circuit board so that with the guide rail hanging, still is provided with spring fastener 3 simultaneously for convenient installation and dismantlement, and spring fastener 3 has along direction of height elastic deformation's coil spring, and this structure is prior art, therefore no longer gives unnecessary details.
On the basis of the technical scheme, the method further comprises the following steps:
the environment sensing function electronic board card is a temperature and humidity sensing function electronic board card or a smoke sensing function electronic board card or a radiation dose sensing function electronic board card or an attitude sensing function electronic board card.
On the basis of the technical scheme, the method further comprises the following steps:
the environment sensing function electronic board card comprises a temperature and humidity sensing device or a smoke sensing device or a radiation dose sensing device or an attitude sensing device, an analog-to-digital conversion device, a data processor, a communication transmission module and a power module, wherein the temperature and humidity sensing device or the smoke sensing device or the radiation dose sensing device or the attitude sensing device, the analog-to-digital conversion device, the data processor and the communication transmission module are sequentially connected in a data transmission manner.
The utility model discloses can also have the data display part in the design in the front, the state of real-time display control cabinet-type air conditioner, and have the early warning pilot lamp to show.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The nuclear instrument control internal environment monitoring module is characterized by comprising a T-shaped wire head (1) and a board card accommodating box (2), wherein the large head end of the T-shaped wire head (1) is inwards sunken to form a board card fixing groove, a clamping head is arranged on the inner wall of the board card fixing groove, one side, facing the large head end of the T-shaped wire head (1), of the board card accommodating box (2) is inwards sunken to form a board card accommodating groove, a clamping strip is arranged on a notch of the board card accommodating groove, and the clamping head and the clamping strip are matched to form a clamping relation;
the environment sensing electronic card is fixedly connected with a card board fixing groove, various wiring terminals are arranged on the T-shaped wire head part (1), ports on the environment sensing electronic card are connected with the various wiring terminals through wires, a card board channel groove (24) is further arranged in the card board accommodating groove, and the environment sensing electronic card is inserted into the card board channel groove (24); the board card accommodating box (2) is made of a metal hollow shell.
2. The nuclear instrumentation in-control environment monitoring module of claim 1,
the left side and the right side of the hollow shell are provided with a strip groove along the height direction, and outer shell heat dissipation ribs (21) are formed between the strip groove, the upper side face and the lower side face of the hollow shell are provided with a plurality of heat dissipation holes (23), the left inner wall, the right inner wall, the upper inner wall and the lower inner wall of the board card containing box (2) are provided with double-layer staggered grids (22), and the board card channel grooves (24) are arranged on the inner side faces of the double-.
3. The nuclear instrumentation in-control environment monitoring module of claim 1,
the T-shaped wire head part (1) comprises a first-stage step body and a second-stage step body, the height of the first-stage step body is smaller than that of the second-stage step body, the height middle point of the first-stage step body and the height middle point of the second-stage step body are at the same horizontal height, the first-stage step body and the second-stage step body are integrated to form a T-shaped structure, and the upper side face and the lower side face of the first-stage step body and the lower side face of the second-.
4. The nuclear instrumentation in-control environment monitoring module of claim 3,
an RS485-B terminal (12) is arranged on the upper side face of the first-stage step body, and the RS485-B terminal is connected with an RS485-B port on the environment sensing function electronic board card through a lead; an RS232-B terminal (13) is arranged on the lower side surface of the first-stage step body, and the RS232-B terminal is connected with an RS232-B port on the electronic board card with the environment sensing function through a lead;
an RS485-A terminal (11) is arranged on the upper side face of the secondary step body, and the RS485-A terminal is connected with an RS485-A port on the environment sensing function electronic board card through a lead; and an RS232-A terminal (14) is arranged on the lower side surface of the secondary step body, and the RS232-A terminal is connected with an RS232-A port on the electronic board card with the environment sensing function through a lead.
5. The nuclear instrumentation in-control environment monitoring module of claim 3,
and the upper side surface or the lower side surface of the first-stage step body or the second-stage step body is provided with a power supply terminal, and the power supply terminal is connected with a power supply port on the electronic board card with the environment sensing function through a wire.
6. The nuclear instrumentation in-control environment monitoring module of claim 3,
the left side face or the right side face of the integration of the first-stage step body and the second-stage step body is provided with a power supply and a side-out signal terminal (15), and the power supply and the side-out signal terminal are connected with a power supply and a signal port on the electronic board card with the environment sensing function through a lead.
7. The nuclear instrument control internal environment monitoring module according to claim 1, wherein a notch matched with the guide rail (5) in a clamping manner is formed in the rear side face of the board card accommodating box (2).
8. The nuclear instrumentation in-control environmental monitoring module according to claim 7, wherein the notch is equipped with a spring catch (3) for pressing against the guide rail.
9. The nuclear instrument internal environment monitoring module according to any one of claims 1 to 7, wherein the environment sensing function electronic board is a temperature and humidity sensing function electronic board, a smoke sensing function electronic board, a radiation dose sensing function electronic board, or an attitude sensing function electronic board.
10. The nuclear instrument internal environment monitoring module according to any one of claims 1 to 7, wherein the environment sensing function electronic board includes a temperature and humidity sensing device, a smoke sensing device, a radiation dose sensing device, an attitude sensing device, an analog-to-digital conversion device, a data processor, a communication transmission module, and a power module for supplying power to the temperature and humidity sensing device, the smoke sensing device, the radiation dose sensing device, the attitude sensing device, the analog-to-digital conversion device, the data processor, and the communication transmission module, which are connected in sequence through data transmission.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022345561.9U CN212963484U (en) | 2020-10-20 | 2020-10-20 | Nuclear instrument control internal environment monitoring module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022345561.9U CN212963484U (en) | 2020-10-20 | 2020-10-20 | Nuclear instrument control internal environment monitoring module |
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| CN212963484U true CN212963484U (en) | 2021-04-13 |
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| CN202022345561.9U Active CN212963484U (en) | 2020-10-20 | 2020-10-20 | Nuclear instrument control internal environment monitoring module |
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