CN111064091A - Block terminal with function is reminded in excess temperature protection - Google Patents
Block terminal with function is reminded in excess temperature protection Download PDFInfo
- Publication number
- CN111064091A CN111064091A CN202010011222.9A CN202010011222A CN111064091A CN 111064091 A CN111064091 A CN 111064091A CN 202010011222 A CN202010011222 A CN 202010011222A CN 111064091 A CN111064091 A CN 111064091A
- Authority
- CN
- China
- Prior art keywords
- distribution box
- transmission shaft
- fixedly arranged
- fan
- 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.)
- Withdrawn
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
The invention discloses a distribution box with an over-temperature protection reminding function, which comprises a shell, wherein a working cavity is arranged in the shell, an automatic opening component is arranged at the left end of the shell and comprises a fixed hinged block fixedly arranged at the left end of the shell, a distribution box door is adopted, when the temperature in the distribution box is overhigh, a sliding block can be driven to move leftwards, the distribution box door is driven to rotate through a hinged rod and a fixed block in sequence, the distribution box is opened timely, heat dissipation is carried out on the distribution box under the assistance of wind power generated by the rotation of a fan, a conductive block capable of sliding leftwards and rightwards is adopted, when the temperature of the distribution box is overhigh, the conductive block slides rightwards and is not abutted against a circuit controller, so that all electrical appliances connected into the distribution box are powered off, the electrical appliances are prevented from being damaged due to the power failure in the distribution box, a sounder, the sounder can rotate and sound, and reminds workers of abnormal temperature of the distribution box and timely processing.
Description
Technical Field
The invention relates to the technical field of power distribution protection, in particular to a power distribution box with an over-temperature protection reminding function.
Background
The distribution box is generally formed by assembling switching equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet according to the requirements of electrical connection to form a low-voltage distribution box. The distribution box adopted by a common factory at present only has a simple wiring function, and does not have the functions of automatic power-off, heat dissipation and reminding when the temperature of the distribution box is too high, once the circuit temperature in the distribution box is too high and cannot be found in time, all electric appliances connected into the distribution box can be damaged together, and huge economic loss is caused.
Disclosure of Invention
The invention aims to provide a distribution box with an over-temperature protection reminding function, which is used for overcoming the defects in the prior art.
The distribution box with the over-temperature protection reminding function comprises a shell, wherein a working cavity is arranged in the shell, an automatic opening assembly is arranged at the left end of the shell and comprises a fixed hinge block fixedly arranged at the left end of the shell, an auxiliary hinge block hinged to the fixed hinge block and a distribution box door fixedly arranged on the auxiliary hinge block, a fan shell positioned at the lower side of the working cavity is arranged in the shell, a heat dissipation assembly is arranged in the fan shell and comprises a fan cavity arranged in the fan shell, a first transmission shaft which is rotatably connected to the inner wall of the upper side of the fan cavity and extends upwards into the working cavity, and a fan fixedly arranged at the tail end of the lower end of the first transmission shaft, a power failure control shell is fixedly arranged at the left end of the fan shell, and a power failure reminding assembly is arranged in the power failure control shell, the subassembly is reminded in outage is including locating outage control chamber in the outage control casing, set firmly in circuit controller on the inner wall of outage control chamber left side, locate first spout on the inner wall of outage control chamber downside, sliding connection in first spout and can with the conducting block of circuit controller butt, just rotate the butt pole can with fixed butt pole butt.
Preferably, the inner wall of the upper side of the working cavity is fixedly provided with a motor, the lower end of the motor is in power connection with a second transmission shaft, a wiring cavity arranged on the lower side of the fan cavity is arranged in the shell, and the inner wall of the upper side of the wiring cavity is provided with a temperature sensor arranged at the right end of the fan shell.
Wherein, the automatic opening component also comprises a gear fixedly arranged on the second transmission shaft, the inner wall of the upper side of the working cavity is rotationally connected with a third transmission shaft positioned at the left side of the second transmission shaft, a sector gear capable of being engaged and connected with the gear is fixedly arranged on the third transmission shaft, a first bevel gear positioned at the lower side of the sector gear is fixedly arranged on the third transmission shaft, a vertical bracket is fixedly arranged on the inner wall of the upper side of the working cavity, a fourth transmission shaft extending leftwards and rightwards is rotationally connected with the vertical bracket, a second bevel gear engaged and connected with the first bevel gear is fixedly arranged on the fourth transmission shaft positioned at the right side of the vertical bracket, a horizontal bracket is fixedly arranged at the left end of the vertical bracket, a second chute is arranged at the front end of the horizontal bracket, and a sliding block in threaded connection with the fourth transmission shaft is slidably connected on the second, the distribution box door is close to working chamber one end has set firmly the fixed block, the fixed block with it has the hinge bar to articulate between the slider.
The heat dissipation assembly further comprises air flow through holes which are uniformly formed in the inner wall of the lower side of the fan cavity and communicated with the wiring cavity, a first belt wheel is fixedly arranged on the first transmission shaft in the working cavity, a second belt wheel is fixedly arranged on the second transmission shaft, and a first belt is connected between the second belt wheel and the first belt wheel.
Wherein the power failure reminding assembly further comprises a fixed abutting rod fixedly arranged at the front end of the conductive block, the inner wall of the upper side of the power-off control cavity is rotatably connected with a fifth transmission shaft which upwards extends to the outside through the working cavity, the tail end of the lower end of the fifth transmission shaft is fixedly provided with a rotating wheel, six rotating butting rods are fixedly arranged on the outer surface of the rotating wheel in an annular array manner, the rotary butt-joint rod can be butted with the fixed butt-joint rod, a return spring is connected between the conductive block and the inner wall of the right side of the power-off control cavity, a third belt wheel is fixedly arranged on the fifth transmission shaft positioned in the working cavity, a second belt is connected between the third belt wheel and the first belt wheel, an electric wire is connected between an external power supply and the conductive block, and a wiring wire is connected between the circuit controller and each wiring position of the distribution box, and a sounder is fixedly arranged on the fifth transmission shaft positioned outside.
The invention has the beneficial effects that: the invention adopts the distribution box door, when the temperature in the distribution box is overhigh, the sliding block can be driven to move leftwards, the distribution box door is driven to rotate through the hinge rod and the fixed block in sequence, the distribution box is opened in time, the heat dissipation is carried out on the distribution box under the assistance of wind power generated by the rotation of the fan, the conductive block capable of sliding leftwards and rightwards is adopted, and when the temperature of the distribution box is overhigh, the conductive block slides rightwards and is not abutted against the circuit controller, so that all electric appliances connected into the distribution box are powered off, the electric appliances are prevented from being damaged due to the power failure in the distribution box, and the sounder is adopted, and when the fifth transmission shaft rotates, the sounder can rotate and sound to remind workers.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a distribution box with an over-temperature protection reminding function according to the present invention;
FIG. 2 is a schematic enlarged view of the structure of "A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is a schematic enlarged view of the structure of "C" of FIG. 2;
fig. 5 is a schematic view of the structure in the direction "D-D" of fig. 4.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1 to 5, a distribution box with an over-temperature protection reminding function according to an embodiment of the present invention includes a housing 11, a working chamber 12 is disposed in the housing 11, an automatic opening assembly 901 is disposed at a left end of the housing 11, the automatic opening assembly 901 includes a fixed hinge block 42 fixedly disposed at the left end of the housing 11, an auxiliary hinge block 41 hinged to the fixed hinge block 42, and a distribution box door 15 fixedly disposed on the auxiliary hinge block 41, the distribution box door 15 is normally abutted to the housing 11, the distribution box is in a closed state, when the distribution box is overheated, the auxiliary hinge block 41 can rotate by a certain angle, so that the distribution box door 15 is no longer abutted to the housing 11, the distribution box is automatically opened, a fan housing 19 disposed below the working chamber 12 is disposed in the housing 11, and a heat dissipation assembly 902 is disposed in the fan housing 19, the heat dissipation assembly 902 includes a fan cavity 20 disposed in the fan housing 19, a first transmission shaft 22 rotatably connected to an upper inner wall of the fan cavity 20 and extending upward into the working cavity 12, and a fan 21 fixedly disposed at a lower end of the first transmission shaft 22, the interior of the distribution box is dissipated by wind power generated by rotation of the fan 21, a power-off control housing 47 is fixedly disposed at a left end of the fan housing 19, a power-off reminding assembly 903 is disposed in the power-off control housing 47, the power-off reminding assembly 903 includes a power-off control cavity 44 disposed in the power-off control housing 47, a circuit controller 53 fixedly disposed on a left inner wall of the power-off control cavity 44, a first chute 48 disposed on a lower inner wall of the power-off control cavity 44, a conductive block 49 slidably connected to the first chute 48 and capable of abutting against the circuit controller 53, and the rotary abutting rod 50 is capable of abutting against the fixed abutting rod 54, at ordinary times, the conductive block 49 is abutted with the circuit controller 53, and when the distribution box is overheated, the conductive block 49 moves rightwards and is not abutted with the circuit controller 53 any more, so that an electric appliance connected to the distribution box is powered off.
Beneficially, a motor 30 is fixedly arranged on the inner wall of the upper side of the working cavity 12, a second transmission shaft 29 is connected to the lower end of the motor 30 in a power mode, a wiring cavity 55 located on the lower side of the fan cavity 20 is arranged in the casing 11, a temperature sensor 28 located on the right end of the fan casing 19 is arranged on the inner wall of the upper side of the wiring cavity 55, and when the temperature inside the distribution box is too high, the motor 30 can be started.
According to the embodiment, the automatic opening assembly 901 will be described in detail below, the automatic opening assembly 901 further includes a gear 31 fixedly disposed on the second transmission shaft 29, a third transmission shaft 33 disposed on the left side of the second transmission shaft 29 is rotatably connected to the inner wall of the upper side of the working chamber 12, a sector gear 32 capable of being engaged with the gear 31 is fixedly disposed on the third transmission shaft 33, a first bevel gear 25 disposed on the lower side of the sector gear 32 is fixedly disposed on the third transmission shaft 33, a vertical bracket 34 is fixedly disposed on the inner wall of the upper side of the working chamber 12, a fourth transmission shaft 35 extending left and right is rotatably connected to the vertical bracket 34, a second bevel gear 24 engaged with the first bevel gear 25 is fixedly disposed on the fourth transmission shaft 35 disposed on the right side of the vertical bracket 34, a horizontal bracket 36 is fixedly disposed at the left end of the vertical bracket 34, a second sliding groove 37 is disposed at the front end of the horizontal bracket 36, sliding connection has on the second spout 37 with fourth transmission shaft 35 threaded connection's slider 38, distribution box door 15 is close to working chamber 12 one end has set firmly fixed block 14, fixed block 14 with it has hinge bar 13 to articulate between the slider 38, works as when slider 38 removes left, the accessible hinge bar 13 fixed block 14 drives distribution box door 15 rotates, realizes the automatic function of opening.
According to the embodiment, the heat dissipation assembly 902 is described in detail below, the heat dissipation assembly 902 further includes an airflow through hole 18 uniformly formed in the inner wall of the lower side of the fan cavity 20 and communicated with the wiring cavity 55, so that the fan 21 is prevented from affecting wiring of an electrician in the distribution box, a first pulley 23 is fixedly disposed on the first transmission shaft 22 located in the working cavity 12, a second pulley 27 is fixedly disposed on the second transmission shaft 29, and a first belt 26 is connected between the second pulley 27 and the first pulley 23.
According to the embodiment, the power failure reminding assembly 903 is described in detail below, the power failure reminding assembly 903 further includes a fixed abutting rod 54 fixedly disposed at the front end of the conductive block 49, the inner wall of the upper side of the power failure control cavity 44 is rotatably connected with a fifth transmission shaft 40 extending upwards through the working cavity 12 to the outside, the end of the lower end of the fifth transmission shaft 40 is fixedly provided with a rotating wheel 51, six rotating abutting rods 50 are fixedly disposed on the outer surface of the rotating wheel 51 in an annular array manner, the rotating abutting rods 50 can abut against the fixed abutting rod 54, a return spring 46 is connected between the conductive block 49 and the inner wall of the right side of the power failure control cavity 44, a third pulley 43 is fixedly disposed on the fifth transmission shaft 40 in the working cavity 12, a second belt 45 is connected between the third pulley 43 and the first pulley 23, and an electricity feeding wire 16 is connected between an outside power supply and the conductive block 49, a wiring electric wire 52 is connected between the circuit controller 53 and each wiring position of the distribution box, a sounder 39 is fixedly arranged on the fifth transmission shaft 40 positioned outside, and when the sounder 39 rotates, the sounder can sound and remind workers of abnormity of the distribution box.
In the initial state, the sector gear 32 and the gear 31 are engaged with each other, the slider 38 is positioned at the right limit position, and the conductive block 49 abuts against the circuit controller 53.
When the temperature sensor 28 detects that the temperature in the distribution box is abnormal, the motor 30 is started to rotate the second transmission shaft 29, the rotating second transmission shaft 29 drives the gear 31 and the second belt wheel 27 to rotate, the rotating gear 31 sequentially passes through the sector gear 32, the third transmission shaft 33, the first bevel gear 25 and the second bevel gear 24 to drive the fourth transmission shaft 35 to rotate, the rotating fourth transmission shaft 35 drives the sliding block 38 to slide leftwards on the second sliding groove 37, and then sequentially passes through the hinge rod 13 and the fixing block 14 to drive the distribution box door 15 to rotate, so as to realize the automatic opening of the distribution box, when the sector gear 32 and the gear 31 are not meshed with each other any more, the distribution box door 15 stops rotating, in the automatic opening process of the distribution box, the rotating second belt wheel 27 drives the first belt wheel 23 to rotate through the first belt 26, the rotating first belt wheel 23 sequentially passes through the second belt 45 and the third belt wheel 43 to drive the fifth transmission shaft, and then drive the rotation and support the pole 50 to rotate and support with the fixed and support the pole 54 through the runner 51, the fixed and support the pole 54 and drive the conductive block 49 to move rightwards under supporting with the rotation and support the pole 50 at this moment, the reset spring 46 accumulates the elastic potential energy, the conductive block 49 is not supported with the circuit controller 53 at this moment, cut off the power of the electrical apparatus connected to the distribution box, has guaranteed the safety of the electrical apparatus when the temperature of the distribution box is abnormal, with the rotation of the runner 51, when the first rotation and support the pole 50 and support with the fixed and support the pole 54 no longer, the reset spring 46 releases the elastic potential energy, drive the conductive block 49 to move leftwards, but follow it with the second rotation and support the pole 50 and support with the fixed and support the pole 54 again, drive the conductive block 49 to move rightwards again, repeat the above steps, realize that the conductive block 49 is not supported with the circuit controller 53 any more all the time, the, in the power-off reminding process of the device, the rotating first belt wheel 23 drives the fan 21 to rotate through the first transmission shaft 22, wind power generated by the rotating fan 21 enables the distribution box to dissipate heat, when workers eliminate the problem of overheating of the temperature of the distribution box, the temperature of the distribution box drops, the motor 30 is turned off, the reset spring 46 releases elastic potential energy to drive the conductive block 49 to move leftwards and reset, the circuit controller 53 is abutted against the conductive block 49 again, an electric appliance connected to the distribution box is electrified again, the distribution box door 15 is manually rotated and closed, the rotating distribution box door 15 drives the sliding block 38 to move rightwards and reset sequentially through the fixed block 14 and the hinge rod 13, the sector gear 32 is meshed with the gear 31 again at the moment, and the distribution box restores to the initial state.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a block terminal with function is reminded in excess temperature protection, includes the casing, be equipped with the working chamber in the casing, its characterized in that:
the left end of the shell is provided with an automatic opening assembly, the automatic opening assembly comprises a fixed hinge block fixedly arranged at the left end of the shell, an auxiliary hinge block hinged to the fixed hinge block, and a distribution box door fixedly arranged on the auxiliary hinge block, and a fan shell positioned on the lower side of the working cavity is arranged in the shell;
a heat dissipation assembly is arranged in the fan shell, the heat dissipation assembly comprises a fan cavity arranged in the fan shell, a first transmission shaft which is rotatably connected to the inner wall of the upper side of the fan cavity and extends upwards into the working cavity, and a fan fixedly arranged at the tail end of the lower end of the first transmission shaft, and a power-off control shell is fixedly arranged at the left end of the fan shell;
be equipped with the outage in the outage control casing and remind the subassembly, the outage is reminded the subassembly including locating outage control chamber in the outage control casing, set firmly in circuit controller on the inner wall of outage control chamber left side, locate first spout on the inner wall of outage control chamber downside, sliding connection in first spout and can with the conducting block of circuit controller butt, just rotate the butt pole can with fixed butt pole butt.
2. The distribution box with the over-temperature protection reminding function according to claim 1, characterized in that: the utility model discloses a fan, including working chamber, fan chamber, motor, second transmission shaft, the inner wall of working chamber upside has set firmly the motor, motor lower extreme power is connected with the second transmission shaft, be equipped with in the casing and be located the wiring chamber of fan chamber downside, wiring chamber upside inner wall is equipped with and is located the temperature-sensing ware of fan casing right-hand member.
3. The distribution box with the over-temperature protection reminding function according to claim 2, characterized in that: the automatic opening assembly further comprises a gear fixedly arranged on the second transmission shaft, a third transmission shaft positioned on the left side of the second transmission shaft is rotatably connected to the inner wall of the upper side of the working cavity, a sector gear capable of being meshed and connected with the gear is fixedly arranged on the third transmission shaft, a first bevel gear positioned on the lower side of the sector gear is fixedly arranged on the third transmission shaft, a vertical support is fixedly arranged on the inner wall of the upper side of the working cavity, a fourth transmission shaft extending leftwards and rightwards is rotatably connected to the vertical support, a second bevel gear meshed and connected with the first bevel gear is fixedly arranged on the fourth transmission shaft positioned on the right side of the vertical support, a horizontal support is fixedly arranged at the left end of the vertical support, a second sliding chute is arranged at the front end of the horizontal support, and a sliding block in threaded connection with the fourth transmission shaft is slidably connected to the, the distribution box door is close to working chamber one end has set firmly the fixed block, the fixed block with it has the hinge bar to articulate between the slider.
4. The distribution box with the over-temperature protection reminding function according to claim 1, characterized in that: the heat dissipation assembly further comprises air flow through holes which are uniformly formed in the inner wall of the lower side of the fan cavity and communicated with the wiring cavity, a first belt wheel is fixedly arranged on the first transmission shaft in the working cavity, a second belt wheel is fixedly arranged on the second transmission shaft, and a first belt is connected between the second belt wheel and the first belt wheel.
5. The distribution box with the over-temperature protection reminding function according to claim 1, characterized in that: the power failure reminding assembly also comprises a fixed abutting rod fixedly arranged at the front end of the conductive block, the inner wall of the upper side of the power failure control cavity is rotatably connected with a fifth transmission shaft which upwards extends to the outside through the working cavity, the tail end of the lower end of the fifth transmission shaft is fixedly provided with a rotating wheel, six rotating butting rods are fixedly arranged on the outer surface of the rotating wheel in an annular array manner, the rotary butt-joint rod can be butted with the fixed butt-joint rod, a return spring is connected between the conductive block and the inner wall of the right side of the power-off control cavity, a third belt wheel is fixedly arranged on the fifth transmission shaft positioned in the working cavity, a second belt is connected between the third belt wheel and the first belt wheel, an electric wire is connected between an external power supply and the conductive block, and a wiring wire is connected between the circuit controller and each wiring position of the distribution box, and a sounder is fixedly arranged on the fifth transmission shaft positioned outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010011222.9A CN111064091A (en) | 2020-01-06 | 2020-01-06 | Block terminal with function is reminded in excess temperature protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010011222.9A CN111064091A (en) | 2020-01-06 | 2020-01-06 | Block terminal with function is reminded in excess temperature protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111064091A true CN111064091A (en) | 2020-04-24 |
Family
ID=70306502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010011222.9A Withdrawn CN111064091A (en) | 2020-01-06 | 2020-01-06 | Block terminal with function is reminded in excess temperature protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111064091A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111385997A (en) * | 2020-05-11 | 2020-07-07 | 东阳仙怀通讯科技有限公司 | Electronic information communication equipment heat dissipation box capable of being electrically controlled |
| CN111710558A (en) * | 2020-06-17 | 2020-09-25 | 湖北宏源电力设计咨询有限公司 | Apparatus and method for protecting low voltage circuit |
| CN112290498A (en) * | 2020-11-19 | 2021-01-29 | 王梦卓 | High-altitude distribution box based on radio wave communication and use method thereof |
-
2020
- 2020-01-06 CN CN202010011222.9A patent/CN111064091A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111385997A (en) * | 2020-05-11 | 2020-07-07 | 东阳仙怀通讯科技有限公司 | Electronic information communication equipment heat dissipation box capable of being electrically controlled |
| CN111385997B (en) * | 2020-05-11 | 2020-11-10 | 山东合力金桥系统集成技术有限公司 | Electronic information communication equipment heat dissipation box capable of being electrically controlled |
| CN111710558A (en) * | 2020-06-17 | 2020-09-25 | 湖北宏源电力设计咨询有限公司 | Apparatus and method for protecting low voltage circuit |
| CN112290498A (en) * | 2020-11-19 | 2021-01-29 | 王梦卓 | High-altitude distribution box based on radio wave communication and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111064091A (en) | Block terminal with function is reminded in excess temperature protection | |
| CN110602903A (en) | Interaction device for PC end background control | |
| CN210488335U (en) | Electric automatization controlling means | |
| CN217721772U (en) | PLC constant voltage variable frequency control cabinet | |
| CN206877240U (en) | A kind of efficient intelligent computer | |
| CN215452208U (en) | Intelligent distribution box | |
| CN213304796U (en) | Synthesize heat dissipation type block terminal | |
| CN210668215U (en) | Simple and convenient box-type temperature controller of integral type | |
| CN211121686U (en) | High-efficient heat dissipation type temperature transmitter | |
| CN211128674U (en) | Adjustable wiring clamping groove device | |
| CN110940436A (en) | Heat dissipation type temperature transmitter | |
| CN211351401U (en) | Distribution transformer distribution box | |
| CN209786542U (en) | Safe energy-saving all-insulated distribution box for construction site | |
| CN214626016U (en) | Distribution box overheat protection structure | |
| CN214041472U (en) | Low-cost efficient PCBA program burns record and impedance test's device | |
| CN113097901A (en) | Intelligent low-voltage control cabinet | |
| CN213602227U (en) | Electrical control device with antifouling effect | |
| CN215421200U (en) | Electromechanical automation switch board | |
| CN213304797U (en) | Control cabinet for chemical equipment | |
| CN216820465U (en) | Heating and humidifying control device of programmable constant temperature and humidity testing machine | |
| CN218335799U (en) | Electricity saver for motor equipment | |
| CN220107337U (en) | Block terminal with heat dissipation function | |
| CN216413690U (en) | Dampproofing structure for electric automation control cabinet | |
| CN216357634U (en) | Dustproof single channel temperature controller of high leakproofness | |
| CN220210881U (en) | Concentration remote alarm control box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200424 |