CN206673363U - A kind of low-voltage distribution cabinet - Google Patents
A kind of low-voltage distribution cabinet Download PDFInfo
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- CN206673363U CN206673363U CN201720451270.3U CN201720451270U CN206673363U CN 206673363 U CN206673363 U CN 206673363U CN 201720451270 U CN201720451270 U CN 201720451270U CN 206673363 U CN206673363 U CN 206673363U
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Abstract
The utility model discloses a kind of low-voltage distribution cabinet, its drip irrigation device is to include cabinet and the cabinet door on cabinet, and the low-voltage distribution cabinet also includes：Compensating lamp, it is used to provide light compensation in cabinet；Trigger assembly, including tongue tube and magnetic part, the magnetic part are installed on cabinet, and the tongue tube is installed on relative with magnetic part in cabinet door, and when cabinet door is opened from cabinet, the magnetic part triggering tongue tube exports a trigger signal；Switch element, it is coupled to tongue tube to receive trigger signal, and in response to trigger signal to control compensating lamp to start.The light that compensating lamp is sent can carry out light compensation when ambient lighting environment is bad to cabinet inside, to enable the personnel repaired to see the component in cabinet clearly, and the drawbacks of avoiding maintenance personal's hand-held lighting device and influenceing maintenance, effectively increase the maintenance efficiency of maintenance personal.
Description
Technical field
Power distribution cabinet field is the utility model is related to, more particularly to a kind of low-voltage distribution cabinet.
Background technology
Low-voltage complete switch equipment and control device are commonly called as low-tension switch cabinet, also known as low-voltage distribution cabinet, and it refers to AC and DC
Complete set of electric device of the voltage in below 1000V.China low-voltage distribution cabinet market is real with the construction of intelligent grid, infrastructure
Apply, manufacturing investment and the development of new energy industry, be always maintained at the situation of rapid growth.
Wherein, low-voltage distribution cabinet needs special electrician to go to be repaired in damage, and in maintenance process, if this is low
Pressure power distribution cabinet is placed on the bad place of lighting environment, it is necessary to which electrician one side handheld illuminating device is matched somebody with somebody while going to repair the low pressure
Electric cabinet, influences the maintenance efficiency of electrician, therefore certain improvements be present.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of low-voltage distribution cabinet, has and carry
The characteristics of high maintenance efficiency.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of low-voltage distribution cabinet, including cabinet and the cabinet door on cabinet, the low-voltage distribution cabinet also include：
Compensating lamp, it is used to provide light compensation in cabinet；
Trigger assembly, including tongue tube and magnetic part, the magnetic part are installed on cabinet, and the tongue tube is installed on cabinet
With relative with magnetic part on door, when cabinet door is opened from cabinet, the magnetic part triggering tongue tube exports a trigger signal；
Switch element, it is coupled to tongue tube to receive trigger signal, and in response to trigger signal to control compensating lamp to open
It is dynamic.
Pass through above-mentioned technical proposal, when cabinet door is closed on cabinet, tongue tube is relative with magnetic part；When cabinet door is from cabinet
During upper unlatching, magnetic part departs from from tongue tube, and tongue tube, which is not triggered, to be turned on and export a trigger signal to switch element, is opened
Close element control compensating lamp to start, the light that compensating lamp is sent can carry out light when ambient lighting environment is bad to cabinet inside
Compensation, to enable the personnel of maintenance to see component in cabinet clearly, and avoid maintenance personal's hand-held lighting device and shadow
The drawbacks of ringing maintenance, effectively increase the maintenance efficiency of maintenance personal.
Preferably, the switch element is PNP type triode.
Pass through above-mentioned technical proposal, PNP type triode cost is relatively low, simple in construction, is easy to the maintenance and replacing in later stage.
Preferably, the low-voltage distribution cabinet also includes：
Light test section, on cabinet, for detecting the intensity of ambient light to export corresponding light detected value；
Light comparing section, light test section is coupled to receive light detected value, and by light detected value and default base
Quasi- value is compared, to export corresponding light detection signal according to comparative result；
Switch portion, it is coupled to light comparing section to receive light detection signal, and in response to light detection signal to lead
The current supply circuit of logical compensating lamp.
Preferably, the light test section includes photo resistance and second resistance；
One end of photo resistance is coupled to Vcc voltage, and its other end is grounded after being coupled to second resistance.
Preferably, the light comparing section includes：
3rd resistor, its one end are coupled to Vdd voltage, and its other end is grounded after being coupled to the 4th resistance；
Comparator, its end of oppisite phase are coupled on the tie point between photo resistance and second resistance, and its in-phase end is coupled to
On tie point between 3rd resistor and the 4th resistance, its output end is coupled to switch portion.
Pass through above-mentioned technical proposal, light test section are used for the intensity for detecting ambient light, in the intensity foot of ambient light
When enough, light comparing section exports low level light detection signal to switch portion, the current supply circuit of switch portion control compensating lamp and broken
Open, now, cabinet door is opened, and compensating lamp will not also open carry out light compensation, so as to effectively prevent the waste of electric energy；Around
When light intensity is relatively low, light detection signal to switch portion, the switch portion of light comparing section output high level controls compensating lamp
Current supply circuit is disconnected, and now, cabinet door is opened, and compensating lamp accordingly starts to carry out light compensation.
Preferably, mounting bracket is provided with the cabinet, electric coil winder and fixed pulley, institute are provided with the mounting bracket
State and pull rope is connected with electric coil winder, the pull rope is connected on compensating lamp through fixed pulley, the electric coil winder
On be electrically connected with control assembly, rising switch and down switch, the rising switch and down switch are provided with the cabinet
It is electrically connected in control assembly to be respectively used to control the raising and lowering of compensating lamp.
Preferably, the control assembly includes：
Microcontroller, it has first input end, the second input, the first output end and the second output end, and it is first defeated
Enter end and be electrically connected to rising switch to receive the rising signals of rising switch output, and controlled from its output end output corresponding first
Signal processed；Second input of the microcontroller is electrically connected to down switch to receive the dropping signal of down switch output, and
Corresponding second control signal is exported from its output end；
Motor is driven forward circuit, and the first output end that its input is coupled to microcontroller is believed with receiving the first control
Number, and rotated forward in response to the first control signal control electric coil winder；
Motor reversal drive circuit, the second output end that its input is coupled to microcontroller are believed with receiving the second control
Number, and rotated backward in response to the second control signal control electric coil winder.
Pass through above-mentioned technical proposal, because the height of low-voltage distribution cabinet is higher, being arranged on cabinet top compensation lamp can not be right
The bottom of cabinet carries out light compensation, therefore, rotating and reverse for electric coil winder is controlled by rising switch and down switch,
Reach the purpose that compensating lamp rises or falls, therefore, will by down switch when the component to bottom of cabinet bulk repairs
Compensating lamp is declined, to improve the brightness of illumination of bottom of cabinet bulk, further to improve maintenance efficiency.
In summary, the utility model having the beneficial effect that in contrast to prior art：
When cabinet door is closed on cabinet, tongue tube is relative with magnetic part；When cabinet door is opened from cabinet, magnetic part from
Depart from tongue tube, tongue tube, which is not triggered, to be turned on and export a trigger signal to switch element, switch element control compensating lamp
Start, the light that compensating lamp is sent can carry out light compensation when ambient lighting environment is bad to cabinet inside, to repair
Personnel can see component in cabinet clearly, and the drawbacks of avoid maintenance personal's hand-held lighting device and influence maintenance, have
Effect improves the maintenance efficiency of maintenance personal.
Brief description of the drawings
Fig. 1 is the front view of embodiment；
Fig. 2 is the circuit diagram of trigger assembly；
Fig. 3 is light test section and the circuit diagram of light comparing section；
Fig. 4 is view when compensating lamp rises；
Fig. 5 is view when compensating lamp declines；
Fig. 6 is the circuit diagram of control assembly.
Reference：1st, cabinet；2nd, cabinet door；3rd, compensating lamp；4th, trigger assembly；41st, tongue tube；42nd, magnetic part；5th, install
Frame；6th, light test section；7th, light comparing section；8th, electric coil winder；9th, fixed pulley；10th, pull rope；11st, control assembly；12、
Rising switch；13rd, down switch.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
With reference to shown in Fig. 1, Fig. 2 and Fig. 4, a kind of low-voltage distribution cabinet, including cabinet 1 and the cabinet door 2 on cabinet 1,
The low-voltage distribution cabinet also includes compensating lamp 3, trigger assembly 4 and switch element.
Mounting bracket 5 is provided with the cabinet 1, compensating lamp 3 is located in cabinet 1 and is installed on the mounting bracket 5 for carrying
For light compensation.
Trigger assembly 4 includes tongue tube 41 and magnetic part 42, and magnetic part 42 is installed on cabinet 1, and tongue tube 41 is installed on
In cabinet door 2, when cabinet door 2 is closed on cabinet 1, tongue tube 41 is oppositely arranged with magnetic part 42, is opened in cabinet door 2 from cabinet 1
Qi Shi, it is separated from each other between magnetic part 42 and tongue tube 41.
Switch element is coupled to tongue tube 41 to receive trigger signal, and in response to trigger signal to control compensating lamp 3 to open
It is dynamic.In the present embodiment, switch element is PNP type triode Q1, and PNP type triode Q1 base stage is coupled to tongue tube 41, and it is sent out
Emitter-base bandgap grading couples Vcc voltage, and its colelctor electrode is grounded after being coupled to compensating lamp 3.
What deserves to be explained is when cabinet door 2 is closed on cabinet 1, magnetic part 42 triggers tongue tube 41 and turned on so that doing
Reed pipe 41 exports the trigger signal of high level to triode Q1 base stage, triode Q1 cut-offs, compensating lamp 3 and is not actuated for light
Compensation；When cabinet door 2 separates from cabinet 1, magnetic part 42 does not trigger tongue tube 41 and turned on so that tongue tube 41 exports low electricity
Flat trigger signal to triode Q1 base stage, triode Q1 conductings, compensating lamp 3 is actuated for light compensation.
Wherein, with reference to shown in Fig. 1 and Fig. 3, the low-voltage distribution cabinet also includes light test section 6, light comparing section 7 and switch
Portion.
Light test section 6, which is located on cabinet 1, is used for the intensity for detecting ambient light to export corresponding light detected value；This
In embodiment, light test section 6 includes photo resistance RG and second resistance R2；Photo resistance RG one end is coupled to Vcc voltage,
Its other end is grounded after being coupled to second resistance R2.
Light comparing section 7 is coupled to light test section 6 to receive light detected value, and by light detected value and default base
Quasi- value is compared, to export corresponding light detection signal according to comparative result；In the present embodiment, light comparing section 7 includes：
3rd resistor R3, its one end are coupled to Vdd voltage, and its other end is grounded after being coupled to the 4th resistance R4；Comparator N1, its is anti-phase
End is coupled on the tie point between photo resistance RG and second resistance R2, and its in-phase end is coupled to the electricity of 3rd resistor R3 and the 4th
Hinder on the tie point between R4, its output end is coupled to switch portion.
Switch portion is coupled to light comparing section 7 to receive light detection signal, and in response to light detection signal to turn on
The current supply circuit of compensating lamp 3.In the present embodiment, switch portion is NPN type triode Q2, and triode Q2 base stage is coupled to comparator
N1 output end, its grounded emitter, its colelctor electrode are coupled to compensating lamp 3.
What deserves to be explained is light test section 6 is used for the intensity for detecting ambient light, it is enough in the intensity of ambient light
When, light comparing section 7 exports low level light detection signal to switch portion, the current supply circuit of switch portion control compensating lamp 3 and broken
Open, now, cabinet door 2 is opened, and compensating lamp 3 will not also open carry out light compensation, so as to effectively prevent the waste of electric energy；In week
Enclose light intensity it is relatively low when, light comparing section 7 exports the light detection signal of high level to switch portion, switch portion control compensating lamp
3 current supply circuit is disconnected, and now, cabinet door 2 is opened, and compensating lamp 3 accordingly starts to carry out light compensation.
With reference to shown in Fig. 4, Fig. 5 and Fig. 6, electric coil winder 8 and fixed pulley 9, electric coil winder 8 are provided with mounting bracket 5
On be connected with pull rope 10, pull rope 10 is connected on compensating lamp 3 through fixed pulley 9, and control is electrically connected with electric coil winder 8
Component 11, is provided with rising switch 12 and down switch 13 on cabinet 1, rising switch 12 and down switch 13 be electrically connected in
Control assembly 11 be respectively used to control compensating lamp 3 raising and lowering.
In the present embodiment, control assembly 11 includes microcontroller, motor is driven forward circuit and motor reversal drive circuit；
Microcontroller, it has first input end, the second input, the first output end and the second output end, and it is first defeated
Enter end and be electrically connected to rising switch 12 to receive the rising signals of the output of rising switch 12, and from its output end output corresponding the
One control signal；Second input of the microcontroller is electrically connected to down switch 13 to receive the decline of the output of down switch 13
Signal, and export corresponding second control signal from its output end；
Motor is driven forward circuit, and the first output end that its input is coupled to microcontroller is believed with receiving the first control
Number, and rotated forward in response to the first control signal control electric coil winder 8；
Motor reversal drive circuit, the second output end that its input is coupled to microcontroller are believed with receiving the second control
Number, and rotated backward in response to the second control signal control electric coil winder 8.
What deserves to be explained is controlling rotating and reverse for electric coil winder 8 by rising switch 12 and down switch 13, reach
The purpose risen or fallen to compensating lamp 3, therefore, when the component to the bottom of cabinet 1 repairs, pass through down switch 13
Compensating lamp 3 is declined, to improve the brightness of illumination of the bottom of cabinet 1, further to improve maintenance efficiency.
Described above is only exemplary embodiment of the present utility model, not for limitation protection model of the present utility model
Enclose, the scope of protection of the utility model is determined by appended claim.
Claims (7)
1. a kind of low-voltage distribution cabinet, including cabinet (1) and the cabinet door (2) on cabinet (1), it is characterized in that：The low pressure is matched somebody with somebody
Electric cabinet also includes：
Compensating lamp (3), it is used to provide light compensation in cabinet (1)；
Trigger assembly (4), including tongue tube (41) and magnetic part (42), the magnetic part (42) is installed on cabinet (1), described
Tongue tube (41) be installed in cabinet door (2) with magnetic part (42) relatively, when cabinet door (2) is opened from cabinet (1), the magnetic
Property part (42) triggering tongue tube (41) export a trigger signal；
Switch element, it is coupled to tongue tube (41) to receive trigger signal, and in response to trigger signal to control compensating lamp (3)
Start.
2. a kind of low-voltage distribution cabinet according to claim 1, it is characterized in that：The switch element is PNP type triode.
3. a kind of low-voltage distribution cabinet according to claim 1, it is characterized in that：The low-voltage distribution cabinet also includes：
Light test section (6), on cabinet (1), for detecting the intensity of ambient light to export corresponding light detected value；
Light comparing section (7), be coupled to light test section (6) to receive light detected value, and by light detected value with it is default
A reference value is compared, to export corresponding light detection signal according to comparative result；
Switch portion, it is coupled to light comparing section (7) to receive light detection signal, and in response to light detection signal to turn on
The current supply circuit of compensating lamp (3).
4. a kind of low-voltage distribution cabinet according to claim 3, it is characterized in that：The light test section (6) includes photosensitive electricity
Resistance and second resistance；
One end of photo resistance is coupled to Vcc voltage, and its other end is grounded after being coupled to second resistance.
5. a kind of low-voltage distribution cabinet according to claim 4, it is characterized in that：The light comparing section (7) includes：
3rd resistor, its one end are coupled to Vdd voltage, and its other end is grounded after being coupled to the 4th resistance；
Comparator, its end of oppisite phase are coupled on the tie point between photo resistance and second resistance, and its in-phase end is coupled to the 3rd
On tie point between resistance and the 4th resistance, its output end is coupled to switch portion.
6. a kind of low-voltage distribution cabinet according to claim 1, it is characterized in that：Mounting bracket is provided with the cabinet (1)
(5) electric coil winder (8) and fixed pulley (9), are provided with the mounting bracket (5), is connected with and leads on the electric coil winder (8)
Messenger (10), the pull rope (10) are connected on compensating lamp (3) through fixed pulley (9), are electrically connected on the electric coil winder (8)
Control assembly (11) is connected to, rising switch (12) and down switch (13), the rising switch are provided with the cabinet (1)
(12) and down switch (13) be electrically connected in control assembly (11) be respectively used to control compensating lamp (3) rising and under
Drop.
7. a kind of low-voltage distribution cabinet according to claim 6, it is characterized in that：The control assembly (11) includes：
Microcontroller, it has first input end, the second input, the first output end and the second output end, its first input end
Rising switch (12) is electrically connected to receive the rising signals of rising switch (12) output, and from its output end output corresponding the
One control signal；Second input of the microcontroller is electrically connected to down switch (13) to receive down switch (13) output
Dropping signal, and export corresponding second control signal from its output end；
Motor is driven forward circuit, and its input is coupled to the first output end of microcontroller to receive the first control signal, and
Rotated forward in response to the first control signal control electric coil winder (8)；
Motor reversal drive circuit, its input are coupled to the second output end of microcontroller to receive the second control signal, and
Rotated backward in response to the second control signal control electric coil winder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720451270.3U CN206673363U (en) | 2017-04-26 | 2017-04-26 | A kind of low-voltage distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720451270.3U CN206673363U (en) | 2017-04-26 | 2017-04-26 | A kind of low-voltage distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673363U true CN206673363U (en) | 2017-11-24 |
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ID=60370038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720451270.3U Active CN206673363U (en) | 2017-04-26 | 2017-04-26 | A kind of low-voltage distribution cabinet |
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| Country | Link |
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| CN (1) | CN206673363U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913641A (en) * | 2019-08-24 | 2020-03-24 | 深圳市正杰智能工程有限公司 | Cabinet with rotatable interlayer |
| CN113126177A (en) * | 2021-04-13 | 2021-07-16 | 重庆智铸华信科技有限公司 | Box opening detection circuit and base station equipment using same |
-
2017
- 2017-04-26 CN CN201720451270.3U patent/CN206673363U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913641A (en) * | 2019-08-24 | 2020-03-24 | 深圳市正杰智能工程有限公司 | Cabinet with rotatable interlayer |
| CN110913641B (en) * | 2019-08-24 | 2024-05-31 | 深圳市正杰智能工程有限公司 | Rotatable rack of intermediate layer |
| CN113126177A (en) * | 2021-04-13 | 2021-07-16 | 重庆智铸华信科技有限公司 | Box opening detection circuit and base station equipment using same |
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