CN206585208U - A kind of power distribution cabinet - Google Patents
A kind of power distribution cabinet Download PDFInfo
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- CN206585208U CN206585208U CN201720125582.5U CN201720125582U CN206585208U CN 206585208 U CN206585208 U CN 206585208U CN 201720125582 U CN201720125582 U CN 201720125582U CN 206585208 U CN206585208 U CN 206585208U
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Abstract
The utility model discloses a kind of power distribution cabinet, including cabinet and cabinet door, the cabinet door is articulated with cabinet, and door lock mechanism is provided between the cabinet and cabinet door, the cabinet is provided with suggestion device, the suggestion device includes, human inductor, is arranged at cabinet door outer surface, in response to human body closer or far from, and export human testing signal, when human body away from when, the human testing signal of output is low level；Detection unit, is arranged in cabinet, and for the light intensity in detecting box body, and output light detects signal；Tip element, is arranged on cabinet, for sending cue；Control unit, is coupled to the human inductor and detection unit, for receiving and responding to human testing signal and light detection signal, to control the keying of Tip element；And power subsystem, for providing operating voltage for the suggestion device.The utility model can effectively prevent the situation that cabinet door is not closed.
Description
Technical field
The utility model is related to power distribution cabinet technical field, more specifically, it relates to a kind of power distribution cabinet.
Background technology
Application of the power distribution cabinet in industrial circle is extremely common, and the cabinet door of the power distribution cabinet of early stage is substantially by staff
Hand switch is removed, causes the situation that the cabinet door for power distribution cabinet often occur is not closed to occur, causing the situation stolen, destroyed to carry out has hair
It is raw.In order to avoid this case, it is necessary to design a kind of power distribution cabinet, to prevent such case.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of power distribution cabinet, to prevent
The situation that cabinet door is not closed.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of power distribution cabinet, including
Cabinet and cabinet door, the cabinet door are articulated with cabinet, and door lock mechanism is provided between the cabinet and cabinet door, and the cabinet is set
There is suggestion device, the suggestion device includes, human inductor is arranged at cabinet door outer surface, in response to the close or remote of human body
From, and export human testing signal, when human body away from when, the human testing signal of output is low level；Detection unit, is arranged at
In cabinet, for the light intensity in detecting box body, and output light detects signal；Tip element, is arranged on cabinet, is used for
Send cue；Control unit, is coupled to the human inductor and detection unit, for receiving and responding to human testing
Signal detects signal with light, to control the keying of Tip element；And power subsystem, for providing work for the suggestion device
Make voltage.
By using above-mentioned technical proposal, the human body near alarm set, human inductor sensing cabinet is set in cabinet,
And human testing signal is exported, detection unit is detected to the light in cabinet, and output light detection signal；When human body is remote
From cabinet, and cabinet door, when not closing, control unit detects signal in response to human testing signal and light, to start Tip element,
Tip element sends cue, points out staff to close cabinet door.
The utility model is further arranged to：The cabinet door is hinged on the cabinet of side and is provided with electromagnet, works as cabinet door
Cabinet door is in contact with electromagnet during closing.
By using above-mentioned technical proposal, it is hinged in cabinet door inside the cabinet of side and electromagnet is set, is conducive to the pass of cabinet door
Close, further prevent the situation that cabinet door is not closed.
The utility model is further arranged to：The cabinet is provided with normally closed contact-making switch, the normally closed contact-making switch string
It is connected in the control circuit of electromagnet.
By using above-mentioned technical proposal, the normally closed contact being serially connected with control circuit for electromagnet is set to open on cabinet
Close, when cabinet door is opened, electromagnet is to turn on power supply, when cabinet door is closed, has touched normally closed contact-making switch so that normally closed
Contact-making switch disconnects, electromagnet power-off, it is to avoid electromagnet is powered always, and causes to waste electric energy.
The utility model is further arranged to：The detection unit includes light sensor, and the light sensor is fixed
In in cabinet, the light sensor is coupled with control unit, and output light detection signal.
The utility model is further arranged to：Described control unit is according to human testing signal and light detection signal control
The keying of Tip element, sets when human inductor output low level, and when the light detection signal that detection unit is exported is higher than
After value and predetermined hold-time, control unit starts Tip element.
The utility model is further arranged to：Described control unit includes, decision circuitry, is coupled to human inductor and inspection
Unit is surveyed, for detecting signal according to human testing signal and light, output one judges signal；Anti-clutter circuit, is coupled to institute
Judgement signal is stated, OFF signal is controlled for exporting one according to the situation of change that signal is judged in the scheduled time；On-off circuit, is coupled to
The control OFF signal, the keying of the Tip element is controlled according to control OFF signal.
The utility model is further arranged to：The decision circuitry includes, comparison circuit, is coupled to the detection unit,
A comparison signal is exported for the light received detection signal to be compared with reference voltage；And nor gate, with two
The output end coupling of input and an output end, its first input end and comparison circuit, the second input and human inductor
Output end coupling, its output end output judges signal.
The utility model is further arranged to：The comparison circuit includes, reference voltage generating circuit, with one first electricity
Resistance, its one end is coupled to the first direct current, and the other end is grounded after being connected with second resistance；Wherein, from first resistor and the second electricity
Reference voltage is produced between resistance；Comparator, it is described with mutually defeated with an in-phase input end, an inverting input and an output end
Enter end and be coupled to reference voltage, inverting input is coupled to the output end of light sensor, and output end exports a comparison signal.
The utility model is further arranged to：The anti-clutter circuit includes, delay circuit, and its input is coupled to described
Judge signal and export a delay judgement signal；And with door, with two inputs and an output end, its first input end
Coupled with the output end of delay circuit, the output end of the second input and decision circuitry is coupled, its output end output control OFF signal.
The utility model is further arranged to：The on-off circuit includes, NPN triode, its grounded emitter, and base stage is led to
Cross a 3rd resistor be coupled to the control OFF signal and by one the 4th resistance and emitter stage altogether；Relay, its coil one end
The first direct current is coupled to, the other end is coupled to the colelctor electrode of the NPN triode, and its normally opened contact switch is serially connected with power supply list
Between member and Tip element；Diode, its negative electrode is coupled to first direct current, and anode is coupled to the current collection of NPN triode
Pole and the tie point of the coil of the relay.
In summary, the utility model has the advantages that：It is arranged on the human inductor response of cabinet door outer surface
Human body close to it is remote, and human testing signal is exported, light sensor is detected to the light in cabinet, as the people that works
Member leaves, and cabinet door is not when closing, and the human testing signal of human inductor output is low level, now light sensor output
Light detection signal judges signal for high level more than reference voltage, comparator output low level, therefore nor gate output, defeated
Enter to delay circuit, exported after delay predetermined time, if nor gate output instantly is still high level, closed with the control that door is exported
Signal is high level, turns on NPN triode, relay obtains electric, inner-core adhesive normally opened contact switch, conducting AC power with
Tip element, Tip element sends cue, points out the staff left to close cabinet door.
Brief description of the drawings
Fig. 1 is structural representation one of the present utility model；
Fig. 2 is structural representation two of the present utility model；
Fig. 3 is circuit diagram of the present utility model；
Fig. 4 is the circuit diagram of power subsystem.
In figure：1st, cabinet；2nd, cabinet door；3rd, human inductor；4th, control unit；5th, electromagnet；6th, normally closed contact-making switch；7、
Light sensor；8th, decision circuitry；9th, anti-clutter circuit；10th, on-off circuit；11st, comparison circuit；12nd, reference voltage generation electricity
Road；13rd, audible-visual annunciator.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of power distribution cabinet, as shown in Figure 1, Figure 2, Figure 3 shows, including cabinet 1 and cabinet door 2, cabinet door 2 are hinged on cabinet 1, cabinet
Door lock mechanism is provided between 1 and cabinet door 2, door lock mechanism includes the dead bolt being arranged in cabinet door 2 and is opened on cabinet 1
Lockhole.The side wall of cabinet 1 for being hinged side in cabinet door 2 is mounted with electromagnet 5, and when cabinet door 2 is closed, cabinet door 2 is in contact with electromagnet 5,
And electromagnet 5 is arranged on cabinet 1 by the normally closed controlling switch of contact-making switch 6, normally closed contact-making switch 6, and when cabinet door 2 is closed
Trigger normally closed contact-making switch 6 so that normally closed contact-making switch 6 disconnects, that is, electromagnet 5 is powered off.And it is mounted with cabinet 1
Suggestion device, suggestion device includes, human inductor 3, is arranged at the outer surface of cabinet door 2, in response to human body closer or far from, and
Export human testing signal, when human body away from when, the human testing signal of output is low level；Detection unit, is arranged at cabinet 1
It is interior, for detecting the light intensity in cabinet 1, and output light detection signal；Tip element, is arranged on cabinet 1, for sending out
Go out cue；Control unit 4, is coupled to human inductor 3 and detection unit, for receiving and responding to human testing signal
Signal is detected with light, to control the keying of Tip element；And power subsystem, for providing operating voltage for suggestion device.
In the utility model, power unit circuit figure passes through as shown in figure 4, its input is coupled to 220V AC powers
The first direct current Vout_1 is exported after rectification decompression filtering, first direct current Vout_1 is 12V；Second direct current Vout_2,
Second direct current Vout_2 is 5V, so that control unit 4 is used, in addition, single directly to prompting from the input of power subsystem
Member power supply, the i.e. power supply of Tip element are 220V AC powers.
Tip element includes the audible-visual annunciator 13 being arranged on cabinet 1, and audible-visual annunciator 13 is electrically connected with power subsystem,
Control unit 4 controls the break-make of audible-visual annunciator 13 and power subsystem.
Detection unit includes light sensor 7, and light sensor 7 is fixed in cabinet 1, and light sensor 7 is single with control
Member 4 is coupled, and output light detection signal.
Control unit 4 detects that signal controls the keying of Tip element according to human testing signal and light, works as human body sensing
Device 3 exports low level, and after the light detection signal that detection unit is exported is higher than setting value and predetermined hold-time, control is single
Member 4 starts Tip element.
Control unit 4 of the present utility model includes, and decision circuitry 8 is coupled to human inductor 3 and detection unit, is used for
Signal is detected according to human testing signal and light, output one judges signal；Anti-clutter circuit 9, is coupled to judgement signal, is used for
Situation of change according to signal is judged in the scheduled time exports one and controls OFF signal；On-off circuit 10, is coupled to control OFF signal, according to
Control the keying that OFF signal controls Tip element.
Wherein, decision circuitry 8 includes, comparison circuit 11, is coupled to detection unit, believes for the light received to be detected
A comparison signal is exported number compared with reference voltage；And nor gate NOR_1, with two inputs and an output end,
The output end of its first input end and comparison circuit 11 is coupled, and the output end of the second input and human inductor 3 is coupled, and its is defeated
Go out end output and judge signal.
Comparison circuit 11 includes, a reference voltage generating circuit 12, and with a first resistor R1, its one end is coupled to second
Direct current Vout_2, the other end is grounded after being connected with a second resistance R2；Wherein, between first resistor R1 and second resistance R2
Produce reference voltage；One comparator A, with an in-phase input end, an inverting input and an output end, in-phase input end coupling
In reference voltage, inverting input is coupled to the output end of light sensor 7, and output end exports a comparison signal.Comparator A is
Active voltage comparator, its power access end is coupled to the second direct current Vout_2, earth terminal ground connection.
Anti-clutter circuit 9 includes, delay circuit, and its input, which is coupled to, judges signal and one delay judgement signal of output；
And with door AND_1, with two inputs and an output end, the coupling of the output end of its first input end and delay circuit,
Second input and the output end of decision circuitry 8 are coupled, its output end output control OFF signal.
Delay circuit can select the delay circuit being made up of 555 chips for core in the utility model, due to delay electricity
Road has been disclosed, and is prior art, and those skilled in the art should be understood its operation principle, no longer goes to live in the household of one's in-laws on getting married tell herein.
In addition, on-off circuit 10 includes, a NPN triode Q1, its grounded emitter, base stage passes through a 3rd resistor R3 couplings
Be connected to control OFF signal and by one the 4th resistance R4 and emitter stage altogether；One relay KM, it is straight that its coil one end is coupled to first
Electricity Vout_1 is flowed, the other end is coupled to the colelctor electrode of the NPN triode Q1, and its normally opened contact switch is serially connected with power subsystem with raising
Between sound device 8；One diode D1, its negative electrode is coupled to first direct current Vout_1, and anode is coupled to the collection of NPN triode Q1
The tie point of electrode and relay KM coil.
Operation principle of the present utility model is as follows：The human inductor 3 for being arranged on the outer surface of cabinet door 2 responds the close of human body
With it is remote, and export human testing signal, light sensor 7 is detected to the light in cabinet 1, when staff leaves,
And cabinet door 2 is not when closing, the human testing signal that human inductor 3 is exported is low level, the light that now light sensor 7 is exported
Detect that signal judges signal for high level more than reference voltage, comparator A output low levels, therefore nor gate NOR_1 outputs,
It is input to after delay circuit, delay predetermined time and exports, if nor gate NOR_1 outputs instantly is still high level, with door
The control OFF signal of AND_1 outputs is high level, turns on NPN triode Q1, and relay KM obtains electric, inner-core adhesive normally opened contact
S, conducting AC power and audible-visual annunciator 13 are switched, audible-visual annunciator 13 sends cue, point out the staff left
Close cabinet door 2.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of power distribution cabinet, including cabinet（1）With cabinet door（2）, the cabinet door（2）It is articulated with cabinet（1）On, the cabinet（1）
With cabinet door（2）Between be provided with door lock mechanism, it is characterised in that：The cabinet（1）It is provided with suggestion device, the suggestion device
Including,
Human inductor（3）, it is arranged at cabinet door（2）Outer surface, in response to human body closer or far from, and export human testing letter
Number, when human body away from when, the human testing signal of output is low level；
Detection unit, is arranged at cabinet（1）It is interior, for detecting cabinet（1）Interior light intensity, and output light detection signal；
Tip element, is arranged at cabinet（1）On, for sending cue；
Control unit（4）, it is coupled to the human inductor（3）With detection unit, believe for receiving and responding to human testing
Number with light detect signal, to control the keying of Tip element；
And power subsystem, for providing operating voltage for the suggestion device.
2. a kind of power distribution cabinet according to claim 1, it is characterised in that：The cabinet door（2）It is hinged the cabinet of side（1）
On be provided with electromagnet（5）, work as cabinet door（2）Cabinet door during closing（2）With electromagnet（5）It is in contact.
3. a kind of power distribution cabinet according to claim 2, it is characterised in that：The cabinet（1）It is provided with normally closed contact-making switch
（6）, the normally closed contact-making switch（6）It is serially connected with electromagnet（5）Control circuit in.
4. a kind of power distribution cabinet according to claim 1, it is characterised in that：The detection unit includes light sensor（7）,
The light sensor（7）It is fixed on cabinet（1）It is interior, the light sensor（7）With control unit（4）Coupling, and output light
Line detects signal.
5. a kind of power distribution cabinet according to claim 4, it is characterised in that：Described control unit（4）Believed according to human testing
Number with light detect signal control Tip element keying, work as human inductor（3）Low level is exported, and when detection unit output
Light detection signal higher than after setting value and predetermined hold-time, control unit（4）Start Tip element.
6. a kind of power distribution cabinet according to claim 5, it is characterised in that：Described control unit（4）Including,
Decision circuitry（8）, it is coupled to human inductor（3）With detection unit, for being detected according to human testing signal and light
Signal, output one judges signal；
Anti-clutter circuit（9）, the judgement signal is coupled to, for being exported according to the situation of change that signal is judged in the scheduled time
One control OFF signal；
On-off circuit（10）, the control OFF signal is coupled to, the keying of the Tip element is controlled according to control OFF signal.
7. a kind of power distribution cabinet according to claim 6, it is characterised in that：The decision circuitry（8）Including,
Comparison circuit（11）, the detection unit is coupled to, for detecting signal compared with reference voltage the light received
Relatively one comparison signal of output；And
Nor gate, with two inputs and an output end, its first input end and comparison circuit（11）Output end coupling,
Second input and human inductor（3）Output end coupling, its output end output judges signal.
8. a kind of power distribution cabinet according to claim 7, it is characterised in that：The comparison circuit（11）Including,
Reference voltage generating circuit（12）, with a first resistor, its one end is coupled to the first direct current, the other end and the second electricity
It is grounded after resistance series connection；Wherein, reference voltage is produced between first resistor and second resistance；
Comparator, with an in-phase input end, an inverting input and an output end, the in-phase input end is coupled to reference to electricity
Pressure, inverting input is coupled to light sensor（7）Output end, output end export a comparison signal.
9. a kind of power distribution cabinet according to claim 8, it is characterised in that：The anti-clutter circuit（9）Including,
Delay circuit, its input is coupled to the judgement signal and exports a delay judgement signal；And
With door, with two inputs and an output end, the output end of its first input end and delay circuit is coupled, and second is defeated
Enter end and decision circuitry（8）Output end coupling, its output end output control OFF signal.
10. a kind of power distribution cabinet according to claim 9, it is characterised in that：The on-off circuit（10）Including,
NPN triode, its grounded emitter, base stage is coupled to the control OFF signal and by one the 4th electricity by a 3rd resistor
Resistance and emitter stage are altogether；
Relay, its coil one end is coupled to the first direct current, and the other end is coupled to the colelctor electrode of the NPN triode, and its is normal
Contact switch is opened to be serially connected between power subsystem and Tip element；
Diode, its negative electrode is coupled to first direct current, and anode is coupled to the colelctor electrode and the relay of NPN triode
Coil tie point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125582.5U CN206585208U (en) | 2017-02-11 | 2017-02-11 | A kind of power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125582.5U CN206585208U (en) | 2017-02-11 | 2017-02-11 | A kind of power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206585208U true CN206585208U (en) | 2017-10-24 |
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ID=60092061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720125582.5U Active CN206585208U (en) | 2017-02-11 | 2017-02-11 | A kind of power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206585208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295983A (en) * | 2020-02-28 | 2021-08-24 | 东莞市金锐显数码科技有限公司 | Method and device for testing human body induction function of board card and terminal equipment |
-
2017
- 2017-02-11 CN CN201720125582.5U patent/CN206585208U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295983A (en) * | 2020-02-28 | 2021-08-24 | 东莞市金锐显数码科技有限公司 | Method and device for testing human body induction function of board card and terminal equipment |
| CN113295983B (en) * | 2020-02-28 | 2023-07-21 | 东莞市金锐显数码科技有限公司 | Board human body sensing function testing method and device and terminal equipment |
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