CN206863091U - A kind of intelligent electric instrument - Google Patents
A kind of intelligent electric instrument Download PDFInfo
- Publication number
- CN206863091U CN206863091U CN201720628472.0U CN201720628472U CN206863091U CN 206863091 U CN206863091 U CN 206863091U CN 201720628472 U CN201720628472 U CN 201720628472U CN 206863091 U CN206863091 U CN 206863091U
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- CN
- China
- Prior art keywords
- cover body
- neck
- resistance
- humidity sensor
- temperature humidity
- Prior art date
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Abstract
A kind of intelligent electric instrument is the utility model is related to, it includes housing and circuit board, and circuit board is embedded in housing；Housing includes lid shell and drain pan, and lid shell is connected with drain pan；Lid shell includes left cover body and right cover body, and left cover body is connected with right cover body；Right cover body is provided with snap fit, and the first neck to match with snap fit is provided with left cover body；Right cover body is provided with the first lead, and left cover body is provided with projection, and projection is provided with the first guide groove to match with the first lead；The bottom of right cover body is provided with the second neck, and the bottom of left cover body is provided with the 3rd neck, and drain pan is provided with the convex tendon to match with the second neck and the 3rd neck；The second lead is provided with second neck, convex tendon is provided with the second guide groove to match with the second lead；Projection is provided with 3rd neck, convex tendon is provided with the 4th neck to match with projection.The utility model convenient disassembly, fast, can widely it be applied on all size and the electric instrument product of model.
Description
Technical field
Field of electrical equipment is the utility model is related to, more particularly to a kind of intelligent electric instrument.
Background technology
At present, intelligent electric instrument is gradually applied in rings such as Industry Control, power distribution rooms instead of traditional pointer meters
In border.But assembled more using screw between the drain pan and lid shell of existing electric instrument at present, when instrument is damaged, it is impossible to
During normal work, dismounting is complicated, time-consuming, and spare and accessory parts are more easily causes loss.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of intelligent electric instrument, to overcome above-mentioned prior art
In deficiency.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of intelligent electric instrument, including housing and
Circuit board, the circuit board are embedded in the housing；The housing includes lid shell and drain pan, and the lid shell connects with the drain pan
Connect；The lid shell includes left cover body and right cover body, and the left cover body is connected with the right cover body；The right cover body is provided with card
Hook, the first neck to match with the snap fit is provided with the left cover body；The right cover body is provided with the first lead, described
Left cover body is provided with projection, and the projection is provided with the first guide groove to match with first lead；The right cover body
Bottom be provided with the second neck, the bottom of the left cover body is provided with the 3rd neck, and the drain pan is provided with and second neck
The convex tendon to match with the 3rd neck；Be provided with the second lead in second neck, the convex tendon provided with it is described
The second guide groove that second lead matches；Projection is provided with 3rd neck, the convex tendon is provided with and the projection
The 4th neck to match.
The beneficial effects of the utility model are：During assembling, after circuit board is positioned in drain pan, left cover body is fastened first
In the left side of drain pan, and projection is set to be aligned with the 4th neck；Right cover body is erected on to the right side of drain pan afterwards, and slowly to the left
It is moved to that snap fit is clamped in the first neck and the second lead is clamped in the second guide groove, that is, realizes lid shell and drain pan
Connection；During dismounting, the separation of the right cover body at snap fit and move right i.e. achievable right cover body and drain pan is pressed, now only
Left cover body need to outwards be extracted；Convenient disassembly, fast, it can widely be applied to all size and the electric power instrument of model
On table product.
Further：The right cover body is provided with groove, and the groove is provided close on the right cover body at the snap fit；
Anti-slip veins are provided with the groove.
The above-mentioned further beneficial effect of scheme is：User can directly press concave part when being installed and being dismantled
Position, makes snap fit and the first neck clamping or disengaging, makes the dismounting of right cover body more convenient；Anti-slip veins are set in groove, can be increased
Big friction, beneficial to the dismounting of right cover body.
Further：The cross section of first lead and second lead is L-type.
The above-mentioned further beneficial effect of scheme is：Make between left cover body and right cover body, the company between right cover body and drain pan
Connect more firm.
Further：On the circuit board include power subsystem, control unit, display unit, Temperature Humidity Sensor unit and
Alarm unit, the display unit, the Temperature Humidity Sensor unit and the alarm unit are connected with described control unit,
The display unit, the Temperature Humidity Sensor unit, the alarm unit and described control unit with the power subsystem
Connection.
The above-mentioned further beneficial effect of scheme is：By setting Temperature Humidity Sensor unit and alarm unit, work as electricity
When the temperature or humidity of power instrument exceed preset range, alarm will be sent, cause surrounding people to pay attention to, and take protection to arrange in time
Apply, to avoid electric leakage, fire phenomena caused by temperature or humidity are too high.
Further：Described control unit includes processor U1, crystal oscillating circuit and reset circuit, the model of the processor U1
For AT89C51；
The Temperature Humidity Sensor unit includes Temperature Humidity Sensor U2 and resistance R1, the type of the Temperature Humidity Sensor U2
Number it is DHT11；1 pin of the Temperature Humidity Sensor U2 is connected with power supply, 2 pin and the processing of the Temperature Humidity Sensor U2
Device U1 6 pin connection, 3 pin of the Temperature Humidity Sensor U2 and 4 pin ground connection, one end and the humiture of the resistance R1 pass
Sensor U2 1 pin connection, the other end of the resistance R1 are connected with 2 pin of the Temperature Humidity Sensor U2；
The alarm unit include buzzer BU1, resistance R2, resistance R3, resistance R4, diode D1, diode D2 and
Triode TR1, the positive pole of the diode D1 are connected with the power supply, the negative pole of the diode D1 and the one of the resistance R2
End connection, the other end of the resistance R2 is connected with the positive pole of the buzzer BU1, the negative pole of the buzzer BU1 with it is described
Triode TR1 colelctor electrode connection；The positive pole of the diode D2 is connected with the negative pole of the buzzer BU1, the diode
D2 negative pole is connected with the positive pole of the buzzer BU1；One end of the resistance R3 is connected with the base stage of the triode TR1,
The other end of the resistance R3 is connected with 27 pin of the processor U1；One end of the resistance R4 and the triode
TR1 base stage connection, the other end of the resistance R4 and the triode TR1 grounded emitter.
The above-mentioned further beneficial effect of scheme is：By one diode D2 of both ends reverse parallel connection in buzzer BU1,
When triode TR1 is closed, buzzer BU1 coil current can not be mutated, and now formed loop with diode D2, can be protected electricity
Circuit component, extend original paper service life.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of intelligent electric instrument of the utility model；
Fig. 2 is the structural blast schematic diagram of the lid shell in the utility model；
Fig. 3 is the enlarged diagram of structure at A in Fig. 2；
Fig. 4 is the dimensional structure diagram of the drain pan in the utility model；
Fig. 5 is the circuit diagram of the control unit in the utility model；
Fig. 6 is the circuit diagram of the Temperature Humidity Sensor unit in the utility model；
Fig. 7 is the circuit diagram of the alarm unit in the utility model；
In figure：1 it is housing, 11 be lid shell, 111 be left cover body, 1111 be the first neck, 1112 be projection, 1113 is
One guide groove, 1114 be the 3rd neck, 1115 be it is raised, 112 be right cover body, 1121 be snap fit, 1122 be the first lead,
1123 it is the second neck, 1124 be the second lead, 1125 be groove, 12 be drain pan, 121 be convex tendon, 1211 is the second guiding
Groove, 1212 are the 4th neck.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in Figures 1 to 4, a kind of intelligent electric instrument, including housing 1 and circuit board, the circuit board are embedded at institute
State in housing 1；The housing 1 includes lid shell 11 and drain pan 12, and the lid shell 11 is connected with the drain pan 12；The lid shell 11 wraps
Left cover body 111 and right cover body 112 are included, the left cover body 111 is connected with the right cover body 112；The right cover body 112 is provided with card
1121 are hooked, the first neck 1111 to match with the snap fit 1121 is provided with the left cover body 111；On the right cover body 112
Provided with the first lead 1122, the left cover body 111 is provided with projection 1112, and the projection 1112 is provided with and led with described first
The first guide groove 1113 to match to post 1122；The bottom of the right cover body 112 is provided with the second neck 1123, the left cover body
111 bottom is provided with the 3rd neck 1114, and the drain pan 12 is provided with and second neck 1123 and the 3rd neck
1114 convex tendons 121 to match；Be provided with the second lead 1124 in second neck 1123, the convex tendon 121 provided with
The second guide groove 1211 that second lead 1124 matches；Projection 1115 is provided with 3rd neck 1114, it is described
Convex tendon 121 is provided with and described raised 1115 the 4th necks 1212 to match.During assembling, circuit board is positioned in drain pan 12
Afterwards, left cover body 111 is fastened on to the left side of drain pan 12 first, and projection 1115 is aligned with the 4th neck 1212；Afterwards by the right side
Lid 112 is erected on the right side of drain pan 12, and be slowly moved to the left snap fit 1121 be clamped in the first neck 1111 and
Second lead 1124 is clamped in the second guide groove 1211, that is, realizes the connection of lid shell 11 and drain pan 12；During dismounting, by pressing
Right cover body 112 and move right i.e. achievable right cover body 112 and the separation of drain pan 12 at nearly snap fit 1121, now only need to be by a left side
Lid 111 is outwards extracted；Convenient disassembly, fast, it can widely be applied to all size and the electric instrument of model
On product.
As shown in figure 1, the right cover body 112 is provided with groove 1125, the groove 1125 is provided close to the snap fit
On the right cover body 112 at 1121；Anti-slip veins are provided with the groove 1125.User, can when being installed and being dismantled
The position of groove 1125 is directly pressed, makes the clamping of 1121 and first neck of snap fit 1111 or disengaging, makes the dismounting of right cover body 112 more
It is convenient；Anti-slip veins are set in groove 1125, it is possible to increase friction, beneficial to the dismounting of right cover body 112.
As shown in Figures 2 and 3, the cross section of first lead 1122 and second lead 1124 is L-type.
Make between left cover body 111 and right cover body 112, the connection between right cover body 112 and drain pan 12 is more firm.
It is single to include power subsystem, control unit, display unit, Temperature Humidity Sensor unit and alarm on the circuit board
Member, the display unit, the Temperature Humidity Sensor unit and the alarm unit are connected with described control unit, described aobvious
Show that unit, the Temperature Humidity Sensor unit, the alarm unit and described control unit are connected with the power subsystem.It is logical
Setting Temperature Humidity Sensor unit and alarm unit are crossed, when the temperature or humidity of electric instrument exceed preset range, will be sent out
Go out alarm, cause surrounding people to pay attention to, and carry out precautionary measures in time, to avoid electric leakage, fire caused by temperature or humidity are too high
Calamity phenomenon.
As shown in Figures 5 to 7, described control unit includes processor U1, crystal oscillating circuit and reset circuit, the processor
U1 model AT89C51；
The Temperature Humidity Sensor unit includes Temperature Humidity Sensor U2 and resistance R1, the type of the Temperature Humidity Sensor U2
Number it is DHT11；1 pin of the Temperature Humidity Sensor U2 is connected with power supply, 2 pin and the processing of the Temperature Humidity Sensor U2
Device U1 6 pin connection, 3 pin of the Temperature Humidity Sensor U2 and 4 pin ground connection, one end and the humiture of the resistance R1 pass
Sensor U2 1 pin connection, the other end of the resistance R1 are connected with 2 pin of the Temperature Humidity Sensor U2；
The alarm unit include buzzer BU1, resistance R2, resistance R3, resistance R4, diode D1, diode D2 and
Triode TR1, the positive pole of the diode D1 are connected with the power supply, the negative pole of the diode D1 and the one of the resistance R2
End connection, the other end of the resistance R2 is connected with the positive pole of the buzzer BU1, the negative pole of the buzzer BU1 with it is described
Triode TR1 colelctor electrode connection；The positive pole of the diode D2 is connected with the negative pole of the buzzer BU1, the diode
D2 negative pole is connected with the positive pole of the buzzer BU1；One end of the resistance R3 is connected with the base stage of the triode TR1,
The other end of the resistance R3 is connected with 27 pin of the processor U1；One end of the resistance R4 and the triode
TR1 base stage connection, the other end of the resistance R4 and the triode TR1 grounded emitter.By in buzzer BU1
One diode D2 of both ends reverse parallel connection, when triode TR1 is closed, buzzer BU1 coil current can not be mutated, now
With diode D2 formed loop, can protection circuit element, extend original paper service life.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (5)
- A kind of 1. intelligent electric instrument, it is characterised in that：Including housing (1) and circuit board, the circuit board is embedded at the shell In body (1)；The housing (1) includes lid shell (11) and drain pan (12), and the lid shell (11) is connected with the drain pan (12)；It is described Lid shell (11) includes left cover body (111) and right cover body (112), and the left cover body (111) is connected with the right cover body (112)；Institute State right cover body (112) and be provided with snap fit (1121), the to match with the snap fit (1121) is provided with the left cover body (111) One neck (1111)；The right cover body (112) is provided with the first lead (1122), and the left cover body (111) is provided with projection (1112), the projection (1112) is provided with the first guide groove (1113) to match with first lead (1122)；Institute The bottom for stating right cover body (112) is provided with the second neck (1123), and the bottom of the left cover body (111) is provided with the 3rd neck (1114), the drain pan (12) is provided with the convex tendon to match with second neck (1123) and the 3rd neck (1114) (121)；The second lead (1124) is provided with second neck (1123), the convex tendon (121) is provided with and described second The second guide groove (1211) that lead (1124) matches；It is provided with 3rd neck (1114) raised (1115), it is described Convex tendon (121) is provided with the 4th neck (1212) to match with raised (1115).
- A kind of 2. intelligent electric instrument according to claim 1, it is characterised in that：The right cover body (112) is provided with groove (1125), the groove (1125) is provided close on the right cover body (112) at the snap fit (1121) place；The groove (1125) anti-slip veins are provided with.
- A kind of 3. intelligent electric instrument according to claim 1, it is characterised in that：First lead (1122) and described The cross section of second lead (1124) is L-type.
- A kind of 4. intelligent electric instrument according to claim 1, it is characterised in that：On the circuit board include power subsystem, Control unit, display unit, Temperature Humidity Sensor unit and alarm unit, the display unit, the Temperature Humidity Sensor list First and described alarm unit is connected with described control unit, the display unit, the Temperature Humidity Sensor unit, the report Alert unit and described control unit are connected with the power subsystem.
- A kind of 5. intelligent electric instrument according to claim 4, it is characterised in that：Described control unit include processor U1, Crystal oscillating circuit and reset circuit, the model AT89C51 of the processor U1；The Temperature Humidity Sensor unit includes Temperature Humidity Sensor U2 and resistance R1, the model of the Temperature Humidity Sensor U2 DHT11；1 pin of the Temperature Humidity Sensor U2 is connected with power supply, 2 pin of the Temperature Humidity Sensor U2 and the processor U1 The connection of 6 pin, 3 pin of the Temperature Humidity Sensor U2 and 4 pin ground connection, one end of the resistance R1 and the Temperature Humidity Sensor U2 1 pin connection, the other end of the resistance R1 are connected with 2 pin of the Temperature Humidity Sensor U2；The alarm unit includes buzzer BU1, resistance R2, resistance R3, resistance R4, diode D1, diode D2 and three poles Pipe TR1, the positive pole of the diode D1 are connected with the power supply, and one end of the negative pole of the diode D1 and the resistance R2 connects Connect, the other end of the resistance R2 is connected with the positive pole of the buzzer BU1, the negative pole of the buzzer BU1 and three pole Pipe TR1 colelctor electrode connection；The positive pole of the diode D2 is connected with the negative pole of the buzzer BU1, the diode D2's Negative pole is connected with the positive pole of the buzzer BU1；One end of the resistance R3 is connected with the base stage of the triode TR1, described The resistance R3 other end is connected with 27 pin of the processor U1；One end of the resistance R4 and the base stage of the triode TR1 Connection, the other end of the resistance R4 and the triode TR1 grounded emitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720628472.0U CN206863091U (en) | 2017-05-27 | 2017-05-27 | A kind of intelligent electric instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720628472.0U CN206863091U (en) | 2017-05-27 | 2017-05-27 | A kind of intelligent electric instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206863091U true CN206863091U (en) | 2018-01-09 |
Family
ID=60825883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720628472.0U Expired - Fee Related CN206863091U (en) | 2017-05-27 | 2017-05-27 | A kind of intelligent electric instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206863091U (en) |
-
2017
- 2017-05-27 CN CN201720628472.0U patent/CN206863091U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20180527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |