CN220315200U - Heat-insulating type electric vehicle liquid crystal instrument - Google Patents
Heat-insulating type electric vehicle liquid crystal instrument Download PDFInfo
- Publication number
- CN220315200U CN220315200U CN202322081677.XU CN202322081677U CN220315200U CN 220315200 U CN220315200 U CN 220315200U CN 202322081677 U CN202322081677 U CN 202322081677U CN 220315200 U CN220315200 U CN 220315200U
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- shell
- heat
- connector
- lower shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 45
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 238000001746 injection moulding Methods 0.000 claims abstract description 4
- 238000009423 ventilation Methods 0.000 claims description 51
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013079 data visualisation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a heat-insulating liquid crystal instrument of an electric vehicle, which comprises: the shell assembly consists of plastic injection molding pieces, wherein radiating pipes penetrating through the shell assembly are symmetrically arranged inside the connecting frame, a protection plate is arranged on one side of the connecting frame, the protection plate is wrapped on the outer wall surface of the connecting wire, and the connecting wire penetrates through the inside of the shell assembly; the connector is arranged inside the connecting frame, the connector is connected with the connecting wire, the connector is electrically connected with the voltage detector, and one side of the connector is connected with a key. This thermal-insulated electric motor car liquid crystal instrument constitutes the ventilative environment of series flow through setting up the radiator unit and thermal-insulated ventilative subassembly cooperation in lower casing axis both sides for controller and connector and voltage detector and other components and parts are in the use, avoid the heat butt joint of components and parts long-time work output, provide corresponding heat dissipation environment for electric motor car instrument operational environment.
Description
Technical Field
The utility model relates to the technical field of electric vehicle meters, in particular to a heat-insulation type electric vehicle liquid crystal meter.
Background
At present, an electric vehicle is often provided with a liquid crystal instrument, a liquid crystal display in the liquid crystal instrument needs to be controlled by a liquid crystal display control circuit board, and a full liquid crystal instrument panel is equipment for replacing a traditional mechanical instrument panel with a whole liquid crystal screen to display vehicle body running information to a driver, so that a traditional physical pointer is cancelled, and the traditional physical pointer is displayed through an electronic screen.
The utility model provides a state display part is directly connected with the circuit board through cable with steering indication part and electric quantity display part in patent number "CN203567867U electric motor car instrument", for electric motor car instrument display mode is directly perceived, electric quantity display part can show the electric quantity doctor instrument internal circuit voltage state of electric motor car power in real time, and the service environment of electric motor car is more complicated, direct accumulative mounting means between the electronic parts makes heat pile up between the components and parts easily, lead to operational environment temperature overload, influence instrument result of use, and when plum rain sky uses, because pile up between the instrument and use, along with long-term humid environment and high low temperature change for steam diffuse into liquid crystal display control circuit board makes it wet, influence liquid crystal display's normal display.
Disclosure of Invention
The utility model aims to provide a heat-insulating type liquid crystal instrument for an electric vehicle, which aims to solve the problems that in the background technology, a direct stacking installation mode between electronic devices is provided, heat among the devices is easy to stack, the temperature of a working environment is overloaded, the using effect of the instrument is affected, and long-term humid environment and high-low temperature change cause water vapor to diffuse into a liquid crystal display control circuit board to make the liquid crystal display control circuit board wet, and the normal display of a liquid crystal display screen is affected.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a thermal-insulated electric motor car liquid crystal instrument, includes the casing subassembly, it comprises plastic injection molding, the inside symmetry of casing subassembly is provided with the cooling tube that runs through the casing subassembly inside the link, and link one side is provided with the guard plate, the guard plate parcel is at connecting wire outer wall, and the connecting wire runs through inside the casing subassembly, the;
the connectors are arranged inside the connecting frame, the connectors are connected with the connecting wires and electrically connected with the voltage detector, one side of each connector is connected with a key, 2 connectors are positioned on two sides of the controller, the controller is arranged inside the shell assembly, and the shell assembly is provided with a heat-insulating ventilation assembly;
the housing assembly includes: the sealing device comprises an upper shell, a positioning block, a lower shell, a sealing line plate and support columns, wherein the upper shell is arranged in a U shape, the positioning block penetrates through one side of the upper shell, the lower shell is connected to one side of the upper shell in a clamping mode, the sealing line plate is installed at the bottom end inside the lower shell, and the support columns are arranged on the inner wall surface of the lower shell at equal intervals.
By adopting the technical scheme, the corresponding separation processing environment is conveniently provided for the inside of the electric vehicle instrument, and the mutual influence between the electric vehicle instrument and the electric vehicle instrument is avoided.
Preferably, the upper shell and the lower shell are arranged to be of a shell structure of the instrument, the connecting frames are symmetrically placed in the lower shell, and the upper shell is provided with a liquid crystal display.
By adopting the technical scheme, the connector and the voltage detector in the connector are convenient for the connecting frame to provide a separation environment.
Preferably, the support column is located the setting of controller radiating end, and the controller is located the inside of lower casing and places to lower casing both sides are run through by cooling tube one end respectively.
By adopting the technical scheme, the support column provides a heat dissipation space for the heat dissipation end of the controller, and the heat insulation effect between the support column and the lower shell is realized.
Preferably, the liquid crystal display is electrically connected with the controller, keys are arranged in the upper shell on the two sides of the liquid crystal display, and the two sides of the controller are in contact with the heat dissipation assembly.
By adopting the technical scheme, the LCD screen is convenient to form a finished instrument panel by linkage of the controller and the keys.
Preferably, the heat dissipation assembly comprises a ventilation box arranged in the lower shell, ventilation holes are formed in the ventilation box at equal intervals, an ash-proof net is arranged at one end of the ventilation hole penetrating through the lower shell, and heat insulation plates propped against the side wall surfaces of the controller and the connector are symmetrically and slidably connected to one side of the ventilation box.
By adopting the technical scheme, the heat can be conveniently and rapidly discharged to the outside through the ventilation holes in the ventilation box.
Preferably, the heat-insulating ventilation assembly comprises a ventilation box arranged in the lower shell, a moisture absorption strip is arranged on one side of the inside of the ventilation box, an inclined plane net opening penetrating through the lower shell in a sliding mode is arranged on one side of the ventilation box, and a heat-insulating net is arranged on the outer wall surface of the ventilation box, which is clung to the moisture absorption strip.
By adopting the technical scheme, the inside hole of the ventilation box is matched with the moisture absorption strip, so that heat is dissipated, and meanwhile, moisture invasion is avoided.
Compared with the prior art, the utility model has the beneficial effects that: the liquid crystal instrument of the heat-insulating electric vehicle comprises:
the direct piled mounting mode between the electronic devices easily causes heat accumulation between the components, leads to overload of working environment temperature, influences the use effect of the instrument, and when the battery car is used in plum rain, due to piled use between the instruments, along with long-term humid environment and high-low temperature change, water vapor is diffused into the liquid crystal display control circuit board to cause the liquid crystal display control circuit board to be affected with damp, the normal display of the liquid crystal display is influenced, and the use state of the battery car cannot be effectively mastered by a user
1. When the device is used, the heat dissipation components arranged on two sides of the axis of the lower shell are matched with the heat insulation ventilation components to form a series flow ventilation environment, so that the controller, the connector, the voltage detector and other components are prevented from being butted with heat generated by long-time work of the components in the use process, and a corresponding heat dissipation environment is provided for the working environment of the electric vehicle instrument;
2. the support column arranged in the lower shell supports the controller between the upper shell and the lower shell, so that the heat dissipation end of the controller can be dispersed to two sides quickly, and the support column is arranged on the connecting frames arranged on two sides of the lower shell to provide linear limit for the connector and the voltage detector, so that a separation environment is effectively provided at the installation position between the connector and the voltage detector, and heat accumulation in the instrument is avoided;
3. install the ventilative case that sets up in lower casing both sides and constitute L column structure with ventilative position, avoid steam directly to pass ventilative case and get into down inside the casing, set up in the inside inclined plane net gape of ventilative case and the cooperation of hygroscopic strip, avoid the liquid direct inflow of plum rain weather to down inside the casing, avoid inside the device to pile up moisture, increase ventilation environment for liquid air-dries fast, reduces the influence to components and parts.
Drawings
FIG. 1 is a schematic diagram of the overall internal front view of the present utility model;
FIG. 2 is a schematic diagram of the overall external front view of the present utility model;
FIG. 3 is a schematic diagram of the overall internal side view of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
In the figure: 1. a housing assembly; 101. an upper housing; 102. a positioning block; 103. a lower housing; 104. sealing the wire board; 105. a support column; 2. a connecting frame; 3. a heat radiating pipe; 4. a protection plate; 5. a controller; 6. a liquid crystal display; 7. a key; 8. a connector; 9. a connecting wire; 10. a voltage detector; 11. a heat dissipation assembly; 1101. an air-permeable box; 1102. ventilation holes; 1103. an ash prevention net; 1104. a heat insulating plate; 12. a heat insulating and ventilation assembly; 1201. a ventilation box; 1202. an absorbent strip; 1203. an inclined plane net opening; 1204. a heat insulation net.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a thermal-insulated electric motor car liquid crystal instrument, including the upper casing 101 that constitutes the whole outer wall of instrument wraps up controller 5 with lower casing 103, connector 8, connecting wire 9 and voltage detector 10, the link provides spacing direction for connector 8, connecting wire 9 and voltage detector 10 mounted position during the use, through increasing link 2 thickness with connector 8 and voltage detector 10 work heat dissipation area each other separation, cooperation heat insulating board 1104 further separates controller 8 and connector 5 work area, avoid heat to pile up in the inside, ventilation box 1101 and ventilation box 1201 coaxial line direction symmetry set up during the use, the outside low temperature air current of being convenient for passes upper casing 101 and lower casing 103 inside dispersed heat, prevent outside dust accumulation through ash prevention net 1103 and moisture absorption strip 1202, inclined plane net mouth 1203 and thermal insulation net 1204 several layers filtration processing, avoid the inside of instrument table to receive long-time high temperature and humidity to influence the inside scrapping that leads to;
in this embodiment, the housing assembly 1 is composed of plastic injection molding pieces, the inside of the housing assembly 1 is symmetrically provided with a connecting frame 2 inside which a radiating pipe 3 penetrating through the housing assembly 1 is arranged, one side of the connecting frame 2 is provided with a protection plate 4, the protection plate 4 is wrapped on the outer wall surface of a connecting wire 9, the connecting wire 9 penetrates through the inside of the housing assembly 1, a connector 8 is arranged inside the connecting frame 2, the connector 8 is connected with the connecting wire 9, the connector 8 is electrically connected with a voltage detector 10, one side of the connector 8 is connected with keys 7,2 connectors 8 are positioned at two sides of the controller 5, the controller 5 is installed inside the housing assembly 1, the housing assembly 1 is provided with a heat insulation ventilation assembly 12, a liquid crystal display 6 is electrically connected with the controller 5, the liquid crystal display 6 and two sides of the liquid crystal display 6 are positioned inside an upper housing 101 and two sides of the controller 5 are contacted with the radiating assembly 11;
in some embodiments, the connector 8 and the voltage detector 10 are provided with a limiting environment through the inner hole of the connector 2 by installing the connector 2 inside the shell assembly 1, the positions between the connector 8 and the voltage detector 10 are convenient to separate through the thickness arranged between the interiors of the connector 2, the mutual influence of heat between the connector 8 and the voltage detector 10 is avoided, the protection plate 4 arranged on one side of the connector 2 provides a guiding space for installing and connecting the connecting position of the connecting wire 9, the connecting wire 9 is prevented from being connected with the connector 8 in a misplacement manner, the connector 8 and the voltage detector 10 are connected with the liquid crystal display 6, the connector 8 and the voltage detector 10 are provided with a data visualization environment through the liquid crystal display 6, the electric vehicle circuit is further connected through the connecting wire 9, the key 7 arranged on the surface of the lower shell 103 provides a corresponding installation environment for the liquid crystal display 6, and the controller 5 provides a connecting environment for the liquid crystal display 6 as shown in fig. 1 and 2;
in some embodiments, the housing assembly 1 comprises: the device comprises an upper shell 101, a positioning block 102, a lower shell 103, a sealing line plate 104 and support columns 105, wherein the upper shell 101 is arranged in a U shape, the positioning block 102 penetrates through one side of the upper shell 101, the lower shell 103 is connected to one side of the upper shell 101 in a clamping mode, the sealing line plate 104 is arranged at the bottom end inside the lower shell 103, the support columns 105 are equidistantly arranged on the inner wall surface of the lower shell 103, the upper shell 101 and the lower shell 103 are arranged to be of a shell structure of an instrument, connecting frames 2 are symmetrically placed inside the lower shell 103, the upper shell 101 is provided with a liquid crystal display 6, the support columns 105 are arranged at the heat dissipation end of a controller 5, the controller 5 is placed inside the lower shell 103, and two sides of the lower shell 103 are respectively penetrated by one end of a heat dissipation tube 3;
in some embodiments, a frame-shaped structure is formed by the upper shell 101 and the lower shell 103, as shown in fig. 3, the upper shell 101 and the lower shell 103 penetrate through the positioning block 102, as shown in fig. 1 and fig. 2, a sealing line board 104 arranged at the bottom end of the lower shell 103 is penetrated through the connecting line 9, as shown in fig. 1, so that the connecting line 9 is conveniently and directly connected with the connector 8 and the controller 5, an installation environment is provided for the liquid crystal display 6 by the upper shell 101, as shown in fig. 3, the heat dissipation pipe 3 arranged inside the connecting frame 2 penetrates through the lower shell 103, as shown in fig. 1, the heat dissipation pipe 3 is convenient for discharging heat generated by the operation of the connector 8 and the voltage detector 10 to the outside, the corresponding heat dissipation environment is avoided from being provided for the working environment of the connector 8 and the voltage detector 10, and the heat accumulation inside is avoided;
in some embodiments, the heat dissipation assembly 11 comprises a ventilation box 1101 installed inside the lower housing 103, ventilation holes 1102 are formed in the ventilation box 1101 at equal intervals, an ash-preventing net 1103 is arranged at one end of the ventilation holes 1102 penetrating through the lower housing 103, and a heat insulation plate 1104 propped against the side wall surface of the controller 5 and the connector 8 is symmetrically and slidingly connected to one side of the ventilation box 1101;
in some embodiments, the ventilation box 1101 disposed inside the lower case 103, as shown in fig. 1 and 3, is provided with an L-shaped ventilation hole 1102 through the inside of the ventilation box 1101, so that the gas inside the upper case 101 and the lower case 103 is conveniently discharged to the outside, so that the gas inside the ventilation box 1101 discharges accumulated heat to the outside, and an ash preventing net 1103 disposed at one side of the ventilation hole 1102, as shown in fig. 3, prevents dust carried by the external air flow from entering the inside of the upper case 101 and the lower case 103, as shown in fig. 1 and 3;
in some embodiments, the heat-insulating ventilation assembly 12 comprises a ventilation box 1201 arranged inside the lower housing 103, wherein a moisture absorption strip 1202 is arranged on one side of the inside of the ventilation box 1201, a through inclined plane net opening 1203 is arranged on one side of the ventilation box 1201, which is close to the lower housing 103, and a heat-insulating net 1204 is arranged on one side of the ventilation box 1201, which is close to the moisture absorption strip 1202;
in some embodiments, the ventilation box 1201 is disposed inside the lower housing 103, as shown in fig. 3, since the inclined plane net opening 1203 is disposed at one side of the lower housing 103, when the moisture absorption strip 1202 is installed, the moisture absorption strip 1202 is plugged into one side of the heat insulation net 1204 by taking out the inclined plane net opening 1203, wherein the moisture absorption strip 1202 is a strip structure formed by lime powder and cotton net, as shown in fig. 1, so that the heat insulation net 1204 and the inclined plane net opening 1203 are matched with the ash prevention net 1103 to provide ventilation flow environment, and internal heat accumulation is avoided.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a thermal-insulated electric motor car liquid crystal instrument, includes casing subassembly (1) and connector (8), its characterized in that:
the shell assembly (1) is formed by plastic injection molding pieces, radiating pipes (3) penetrating through the shell assembly (1) are symmetrically arranged inside the connecting frame (2), a protection plate (4) is arranged on one side of the connecting frame (2), the protection plate (4) is wrapped on the outer wall surface of the connecting wire (9), and the connecting wire (9) penetrates through the inside of the shell assembly (1);
the connectors (8) are arranged inside the connecting frame (2), the connectors (8) are connected with the connecting wires (9), the connectors (8) are electrically connected with the voltage detector (10), one sides of the connectors (8) are connected with the keys (7), 2 connectors (8) are positioned on two sides of the controller (5), the controller (5) is arranged inside the shell assembly (1), and the shell assembly (1) is provided with the heat-insulating ventilation assembly (12);
the housing assembly (1) comprises: the sealing device comprises an upper shell (101) which is U-shaped, a positioning block (102) penetrating through one side of the upper shell (101), a lower shell (103) which is connected with one side of the upper shell (101) in a clamping mode, a sealing line plate (104) which is installed at the bottom end inside the lower shell (103) and supporting columns (105) which are equidistantly arranged on the inner wall surface of the lower shell (103).
2. The insulated electric vehicle liquid crystal meter of claim 1, wherein: the upper shell (101) and the lower shell (103) are arranged to be of a shell structure of the instrument, the connecting frames (2) are symmetrically arranged in the lower shell (103), and the upper shell (101) is provided with a liquid crystal display screen (6).
3. The insulated electric vehicle liquid crystal meter of claim 1, wherein: the support column (105) is located at the heat dissipation end of the controller (5), the controller (5) is located inside the lower shell (103) and is placed, and two sides of the lower shell (103) are respectively penetrated by one end of the heat dissipation pipe (3).
4. The insulated electric vehicle liquid crystal meter of claim 2, wherein: the liquid crystal display (6) is electrically connected with the controller (5), keys (7) are arranged in the upper shell (101) at the two sides of the liquid crystal display (6), and the two sides of the controller (5) are in contact with the heat dissipation assembly (11).
5. The insulated electric vehicle liquid crystal meter of claim 4, wherein: the heat dissipation assembly (11) comprises a ventilation box (1101) arranged in the lower shell (103), ventilation holes (1102) are formed in the ventilation box (1101) at equal intervals, an ash prevention net (1103) is arranged at one end of the ventilation hole (1102) penetrating through the lower shell (103), and heat insulation boards (1104) propped against the side wall surfaces of the controller (5) and the connector (8) are symmetrically and slidingly connected to one side of the ventilation box (1101).
6. The insulated electric vehicle liquid crystal meter of claim 1, wherein: the heat-insulating ventilation assembly (12) comprises a ventilation box (1201) arranged in the lower shell (103), a moisture absorption strip (1202) is arranged on one side in the ventilation box (1201), a penetrating inclined plane net opening (1203) is formed in one side, which is clung to the lower shell (103), of the ventilation box (1201), and a heat-insulating net (1204) is arranged on one side, which is clung to the moisture absorption strip (1202), of the ventilation box (1201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322081677.XU CN220315200U (en) | 2023-08-04 | 2023-08-04 | Heat-insulating type electric vehicle liquid crystal instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322081677.XU CN220315200U (en) | 2023-08-04 | 2023-08-04 | Heat-insulating type electric vehicle liquid crystal instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220315200U true CN220315200U (en) | 2024-01-09 |
Family
ID=89417497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322081677.XU Active CN220315200U (en) | 2023-08-04 | 2023-08-04 | Heat-insulating type electric vehicle liquid crystal instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220315200U (en) |
-
2023
- 2023-08-04 CN CN202322081677.XU patent/CN220315200U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220315200U (en) | Heat-insulating type electric vehicle liquid crystal instrument | |
| CN103499396A (en) | Wireless temperature measuring module | |
| CN104242186A (en) | Terminal box with damp-proof function | |
| CN216872585U (en) | Anticreep warning block terminal | |
| CN201111317Y (en) | Electrical control box | |
| CN212013250U (en) | Explosion-proof instrument for power equipment | |
| CN203774647U (en) | Outdoor power distribution cabinet having rain prevention function | |
| CN217183714U (en) | Novel sewage treatment switch board | |
| CN214673759U (en) | Movable switch cabinet | |
| CN218955152U (en) | Air conditioner panel and air conditioning equipment | |
| CN111780540A (en) | Temperature measuring device for mounting electromechanical equipment | |
| CN214204305U (en) | Self-help dehumidification system for distribution box | |
| CN211629692U (en) | Distribution box with electric wire protection function | |
| CN218732666U (en) | Mining low-voltage switchgear | |
| CN221172703U (en) | Temperature and humidity control device of air conditioning system | |
| CN219956744U (en) | Mining intrinsic safety type temperature sensor | |
| CN213455534U (en) | Industrial instrument shell and industrial instrument with same | |
| CN220773183U (en) | Monitoring device of transmission line arrester | |
| CN214013611U (en) | Power guarantee switch board is used in electric power system automation | |
| CN212061077U (en) | Computer technology development hardware heat abstractor | |
| CN211128484U (en) | Temperature and humidity controller with insulation structure | |
| CN111541154B (en) | Prevent condensation device in high-low pressure cabinet | |
| CN211829844U (en) | Energy-saving cooling distribution box | |
| CN213479138U (en) | External temperature adjusting device for superconducting speed reducer | |
| CN215734009U (en) | Power unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |