CN204258649U - A kind of intelligent building management device - Google Patents
A kind of intelligent building management device Download PDFInfo
- Publication number
- CN204258649U CN204258649U CN201420730318.0U CN201420730318U CN204258649U CN 204258649 U CN204258649 U CN 204258649U CN 201420730318 U CN201420730318 U CN 201420730318U CN 204258649 U CN204258649 U CN 204258649U
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- circuit
- triode
- resistance
- overcurrent protection
- intelligent building
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Abstract
The utility model discloses a kind of intelligent building management device, comprise control device and be connected to the power supply supplying module on control device, described power supply supplying module comprises the circuit overcurrent protection connected successively, clamp circuit, transformer TC and shaping circuit, described clamp circuit comprises Transient Suppression Diode TVS, described transformer TC comprises the first secondary and the second secondary, the first described secondary, second secondary is connected to the first rectification circuit, on second rectification circuit, the output of described circuit overcurrent protection is connected with resistance capaciting absorpting circuit, it connects circuit overcurrent protection and clamp circuit on power input, overvoltage and overcurrent are protected, strengthen the stability of power supply, improve the fail safe of inside chip and subsequent conditioning circuit.
Description
Technical field
The utility model relates to architectural control device field, more particularly, relates to a kind of intelligent building management device.
Background technology
Modern building, in building, various electromechanical equipment is many, in order to manage concentratedly various electromechanical equipment and monitor, adopts intelligent building control device.Intelligent building control device mainly comprises the control to air-conditioner wind unit, blowing and discharging fan, catch pit and draining pump, elevator, change distribution, illumination etc.Within the scope of whole building, electromechanical equipment managed concentratedly by the time of presetting in intelligent building control device and controls, under the prerequisite meeting control overflow, realize comprehensively energy-conservation, the work of regular maintenance is replaced with the controlling functions of controller, reduce workload, the out of control or device damage of the equipment reducing to cause due to the work mistake of attendant.
Intelligent building control device will realize controlling functions, its inside is integrated with a lot of chip, the operation of its chip needs outside to provide power supply, but, namely the power supply of existing intelligent building control device is directly supplied to inside chip and uses after transformation shaping, due to interference or other factors of external signal, make the poor stability of power supply, to cause damage to intelligent building control device inside chip.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of intelligent building management device; power input connects circuit overcurrent protection and clamp circuit; overvoltage and overcurrent are protected, strengthens the stability of power supply, improve the fail safe of inside chip and subsequent conditioning circuit.
The technical scheme in the invention for solving the above technical problem is:
A kind of intelligent building management device; comprise control device and be connected to the power supply supplying module on control device; described power supply supplying module comprises the circuit overcurrent protection, clamp circuit, transformer TC and the shaping circuit that connect successively; described clamp circuit comprises Transient Suppression Diode TVS; described transformer TC comprises the first secondary and the second secondary; the first described secondary, the second secondary are connected on the first rectification circuit, the second rectification circuit, and the output of described circuit overcurrent protection is connected with resistance capaciting absorpting circuit.
In the utility model, before transformer TC, connect circuit overcurrent protection and clamp circuit.Overcurrent protection is protected over-current condition in input current.Circuit overcurrent protection adopts switching tube and other device to form mostly; when switching tube becomes cut-off from conducting; easy generation spike and induced voltage; Transient Suppression Diode TVS forms clamp circuit; when voltage is greater than certain value; Transient Suppression Diode TVS conducting, carries out clamper to spike, protects subsequent conditioning circuit.The fast response time of Transient Suppression Diode TVS, transient state high energy pulse can be born, the reaction speed of clamper can be strengthened.Utilize protective circuit to protect power supply, enhance the stability of power supply, avoid overcurrent to destroy the impact of subsequent conditioning circuit, improve the fail safe of inside chip.Transformer TC utilize two secondary by voltage step-down be two magnitudes of voltage not wait voltage respectively after rectifier circuit rectifies for late-class circuit, meet different chip difference reference voltage demand.Resistance capaciting absorpting circuit is utilized to absorb spike, the reliability of intensifier circuit and fail safe.
As preferably, described circuit overcurrent protection comprises triode T1 and triode T2, the base stage of described triode T1 is connected with bleeder circuit, the base stage of described triode T1 is connected on bleeder circuit, the emitter of described triode T1 is connected with the emitter of triode T2, the collector electrode of described triode T1 is connected with the base stage of triode T2 and is connected with the collector electrode of power input with triode T2 by resistance R3 simultaneously, described bleeder circuit is connected on power input, the emitter of described triode T2 is connected with Transient Suppression Diode TVS with the former limit of transformer TC simultaneously.Bleeder circuit, triode T1 and triode T2 and resistance R3 form circuit overcurrent protection, when circuit normally works, the dividing potential drop of bleeder circuit makes the base potential of triode T1 higher than the current potential of emitter, emitter bears reverse voltage, triode T1 is in cut-off state, does not affect subsequent conditioning circuit; When short circuit, output voltage is 0, and the emitter of triode T1 is equivalent to ground connection, then triode T1 is in the state of saturation conduction, is namely equivalent to short circuit, thus makes triode T2 base stage and emitter close to short circuit, is in cut-off state, realizes overcurrent protection.
Further, described bleeder circuit comprises the resistance R1 and resistance R2 that are in series.
As preferably, described resistance capaciting absorpting circuit comprises the resistance R4 and electric capacity C that are in series.
To sum up, the beneficial effects of the utility model are:
1, the utility model utilizes circuit overcurrent protection and resistance capaciting absorpting circuit to protect power supply, strengthens the stability of power supply, avoids external disturbance or overcurrent to the destruction of subsequent conditioning circuit or chip, improves the fail safe of inside chip.
2, the utility model utilizes clamp circuit to carry out clamper to spike, improves the fail safe of circuit.
3, the utility model utilize two of transformer secondary voltage is reduced to the unequal voltage of magnitude of voltage respectively after rectifier circuit rectifies for late-class circuit, meet the demand of the different reference voltage of different chip, improve the stability that chip runs.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the utility model do, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
A kind of intelligent building management device as shown in Figure 1; comprise control device and be connected to the power supply supplying module on control device; described power supply supplying module comprises the circuit overcurrent protection, clamp circuit, transformer TC and the shaping circuit that connect successively; described clamp circuit comprises Transient Suppression Diode TVS; described transformer TC comprises the first secondary and the second secondary; the first described secondary, the second secondary are connected on the first rectification circuit, the second rectification circuit, and the output of described circuit overcurrent protection is connected with resistance capaciting absorpting circuit.Current foldback circuit can adopt mature multiple circuit form to realize.
Embodiment 2:
A kind of intelligent building management device as shown in Figure 1, the present embodiment has done refinement on the basis of above-described embodiment 1, namely described circuit overcurrent protection comprises triode T1 and triode T2, the base stage of described triode T1 is connected with bleeder circuit, the base stage of described triode T1 is connected on bleeder circuit, the emitter of described triode T1 is connected with the emitter of triode T2, the collector electrode of described triode T1 is connected with the base stage of triode T2 and is connected with the collector electrode of power input with triode T2 by resistance R3 simultaneously, described bleeder circuit is connected on power input, the emitter of described triode T2 is connected with Transient Suppression Diode TVS with the former limit of transformer TC simultaneously.
Described bleeder circuit comprises the resistance R1 and resistance R2 that are in series.
Described resistance capaciting absorpting circuit comprises the resistance R4 and electric capacity C that are in series.
Now disclose one group of embodiment, resistance R1, resistance R2, resistance R3, resistance R4 can adopt following resistance respectively: 50 ohm, 150 ohm, 100 ohm, 100 ohm; Electric capacity C can adopt 10 pico farads; Triode T1 and triode T2 all adopts NPN type.
As mentioned above, the utility model can be realized preferably.
Claims (4)
1. an intelligent building management device; comprise control device and be connected to the power supply supplying module on control device; it is characterized in that: described power supply supplying module comprises the circuit overcurrent protection, clamp circuit, transformer TC and the shaping circuit that connect successively; described clamp circuit comprises Transient Suppression Diode TVS; described transformer TC comprises the first secondary and the second secondary; the first described secondary, the second secondary are connected on the first rectification circuit, the second rectification circuit, and the output of described circuit overcurrent protection is connected with resistance capaciting absorpting circuit.
2. a kind of intelligent building management device according to claim 1, it is characterized in that: described circuit overcurrent protection comprises triode T1 and triode T2, the base stage of described triode T1 is connected with bleeder circuit, the base stage of described triode T1 is connected on bleeder circuit, the emitter of described triode T1 is connected with the emitter of triode T2, the collector electrode of described triode T1 is connected with the base stage of triode T2 and is connected with the collector electrode of power input with triode T2 by resistance R3 simultaneously, described bleeder circuit is connected on power input, the emitter of described triode T2 is connected with Transient Suppression Diode TVS with the former limit of transformer TC simultaneously.
3. a kind of intelligent building management device according to claim 2, is characterized in that: described bleeder circuit comprises the resistance R1 and resistance R2 that are in series.
4. a kind of intelligent building management device according to claim 1, is characterized in that: described resistance capaciting absorpting circuit comprises the resistance R4 and electric capacity C that are in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730318.0U CN204258649U (en) | 2014-11-26 | 2014-11-26 | A kind of intelligent building management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730318.0U CN204258649U (en) | 2014-11-26 | 2014-11-26 | A kind of intelligent building management device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204258649U true CN204258649U (en) | 2015-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420730318.0U Expired - Fee Related CN204258649U (en) | 2014-11-26 | 2014-11-26 | A kind of intelligent building management device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204258649U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467463A (en) * | 2014-11-26 | 2015-03-25 | 四川天启智源科技有限公司 | Intelligent building management system |
| CN109149930A (en) * | 2017-06-15 | 2019-01-04 | 法雷奥照明公司 | Pulsewidth modulation regulated power supply |
-
2014
- 2014-11-26 CN CN201420730318.0U patent/CN204258649U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467463A (en) * | 2014-11-26 | 2015-03-25 | 四川天启智源科技有限公司 | Intelligent building management system |
| CN109149930A (en) * | 2017-06-15 | 2019-01-04 | 法雷奥照明公司 | Pulsewidth modulation regulated power supply |
| CN109149930B (en) * | 2017-06-15 | 2021-04-16 | 法雷奥照明公司 | Pulse width modulation voltage-stabilized source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20211126 |