CN206712491U - A kind of battery powered detects control circuit - Google Patents
A kind of battery powered detects control circuit Download PDFInfo
- Publication number
- CN206712491U CN206712491U CN201720351327.2U CN201720351327U CN206712491U CN 206712491 U CN206712491 U CN 206712491U CN 201720351327 U CN201720351327 U CN 201720351327U CN 206712491 U CN206712491 U CN 206712491U
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- China
- Prior art keywords
- resistance
- chip
- potentiometer
- alarm module
- pins
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of battery powered to detect control circuit, including low battery alarm module and superpressure alarm module, the low battery alarm module and superpressure alarm module are controlled using chip U1, the superpressure alarm module includes potentiometer RP1, resistance R6, resistance R3 and LED 1, the low battery alarm module includes potentiometer RP2, resistance R5, resistance R4 and LED 2, described potentiometer RP2 one end connects power supply VCC respectively, resistance R1 one end, chip U1 pins 14, relay J contact J 1, electric capacity C1 and potentiometer RP1 one end.The utility model provides a kind of battery powered detection control circuit, controlled using cheap chip NE555, cut-out output it can be powered when cell voltage is less than lower limit or higher than higher limit, relative to the design using special power source managing chip, it is low with cost, the advantages of market competitiveness is strong.
Description
Technical field
A kind of control circuit is the utility model is related to, specifically a kind of battery powered detection control circuit.
Background technology
With the development of miniaturization, all using the battery design of integration, these are designed to protect many small electric apparatus now
Battery powered safety is demonstrate,proved, is typically necessary design low battery alarm module and superpressure alarm module, although present many power supplys
Managing chip can complete such function, but in general power management chip price is still costly, in current warp
Under situation of helping, many small enterprises still need to be saved in cost to improve the competitiveness of itself.
Utility model content
The purpose of this utility model is to provide a kind of inexpensive battery powered detection control circuit, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of battery powered detects control circuit, including low battery alarm module and superpressure alarm module, the low battery
Alarm module and superpressure alarm module are controlled using chip U1, the superpressure alarm module include potentiometer RP1, resistance R6,
Resistance R3 and LED 1, the low battery alarm module include potentiometer RP2, resistance R5, resistance R4 and luminous two
Pole pipe LED2, described potentiometer RP2 one end connect power supply VCC, resistance R1 one end, chip U1 pins 14, relay J contacts respectively
J-1, electric capacity C1 and potentiometer RP1 one end, resistance R1 other ends connection chip U1 pins 10, the electric capacity C1 other ends connect respectively to be connect
Ground resistance R2, chip U1 pins 2, chip U1 pins 7 and chip U1 pins 12 are simultaneously grounded, and chip U1 pins 6 connect ground connection respectively
Electric capacity C2 and resistance R6, resistance the R6 other end connect potentiometer RP1 slide plates, potentiometer RP1 other ends ground connection, chip U1 pins 5
Resistance R3 is connected, the resistance R3 other ends connect diode D1 negative poles, triode VT1 base stages and ground connection LED 1 respectively
Positive pole, chip U1 pins 9 connect resistance R4 and diode D1 positive poles, resistance R4 other ends connection ground connection light emitting diode respectively
LED positive poles, triode VT1 collector connection relay J coils, the relay J coils other end connect the He of chip U1 pins 8 respectively
Resistance R5, resistance the R5 other end connect potentiometer RP2 slide plates, potentiometer RP2 other ends ground connection.The relay J contacts J-1 is another
One end connects output end vo；The power supply VCC voltages provide for battery.
Further, the chip U1 models NE555.
Further, the power supply VCC voltages are 12V.
Compared with prior art, the beneficial effects of the utility model are：The utility model provides a kind of battery powered detection
Control circuit, controlled using cheap chip NE555, can be when cell voltage be less than lower limit or higher than higher limit
Cut-out output power supply, relative to the design using special power source managing chip, there is the advantages of cost is low, and the market competitiveness is strong.
Brief description of the drawings
Fig. 1 is the circuit diagram that battery powered detects control circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, a kind of battery powered detects control circuit, including low battery warning
Module and superpressure alarm module, the low battery alarm module and superpressure alarm module are controlled using chip U1, the superpressure
Alarm module includes potentiometer RP1, resistance R6, resistance R3 and LED 1, and the low battery alarm module includes electricity
Position device RP2, resistance R5, resistance R4 and LED 2, described potentiometer RP2 one end connect power supply VCC, resistance R1 respectively
One end, chip U1 pins 14, relay J contact J-1, electric capacity C1 and potentiometer RP1 one end, resistance R1 other ends connection chip U1
Pin 10, the electric capacity C1 other ends connect grounding resistance R2, chip U1 pins 2, chip U1 pins 7 and chip U1 pins 12 simultaneously respectively
Ground connection, chip U1 pins 6 connect ground capacity C2 and resistance R6, resistance R6 other ends connection potentiometer RP1 slide plates, current potential respectively
The device RP1 other ends are grounded, and chip U1 pins 5 connect resistance R3, and the resistance R3 other ends connect diode D1 negative poles, triode respectively
VT1 base stages and the ground connection positive pole of LED 1, chip U1 pins 9 connect resistance R4 and diode D1 positive poles, resistance respectively
R4 other ends connection ground connection LED positive pole, triode VT1 collector connection relay J coils, relay J coils
The other end connects chip U1 pins 8 and resistance R5 respectively, and the resistance R5 other ends connect potentiometer RP2 slide plates, and potentiometer RP2 is another
End ground connection.The relay J contacts J-1 other ends connect output end vo.
Referring to Fig. 1, parameter builds circuit as illustrated, power supply VCC voltages provide for battery, and the rated voltage of battery is
12V, chip U1 use the element such as NE555, potentiometer RP1 to form superpressure alarm module.
When power supply VCC voltages, which drop to, 8 pin current potentials is less than 1/3VCC, U1 9 pin are just overturn, and export high electricity
It is flat, so that lower bound alarm LED 2 is luminous, meanwhile, triode VT1 conductings, relay J coils obtain electric work, often
Closed contact J-1 disconnects, and cuts off supplying power for outside, prevents battery over-discharge from being caused damage to battery；The elements such as potentiometer RP2 composition is low
Battery alert module, when power supply VCC voltages are higher than 12V, because C1 both end voltages can not be mutated, i.e., C1 voltage relative to
NE555 reference voltage (1/3VCC) step-down, then circuit overturn, the output of chip U1 5 pin be high level, now high limit announcement
Alert diode (LED) 1 is luminous, and informing transfinites, while triode VT1 is turned on, and relay J coils obtain electric work, and normally-closed contact J-1 breaks
Open, cut off supplying power for outside, prevent that cell voltage is excessive, the external equipment of output end vo connection is caused to damage, diode D1 is
Counnter attack diode.
In summary, the utility model provides a kind of battery powered detection control circuit, using cheap chip
NE555 is controlled, and cut-out output can be powered when cell voltage is less than lower limit or higher than higher limit, relative to using specialty
The design of power management chip, there is the advantages of cost is low, and the market competitiveness is strong.
Claims (4)
1. a kind of battery powered detects control circuit, including low battery alarm module and superpressure alarm module, it is characterised in that institute
State low battery alarm module and superpressure alarm module using chip U1 control, the superpressure alarm module include potentiometer RP1,
Resistance R6, resistance R3 and LED 1, the low battery alarm module include potentiometer RP2, resistance R5, resistance R4 and
LED 2, described potentiometer RP2 one end connect power supply VCC, resistance R1 one end, chip U1 pins 14, relay respectively
Device J contact J-1, electric capacity C1 and potentiometer RP1 one end, resistance R1 other ends connection chip U1 pins 10, the electric capacity C1 other ends point
Grounding resistance R2, chip U1 pins 2, chip U1 pins 7 and chip U1 pins 12 and it Lian Jie not be grounded, chip U1 pins 6 are distinguished
Connect ground capacity C2 and resistance R6, resistance R6 other ends connection potentiometer RP1 slide plates, potentiometer RP1 other ends ground connection, chip
U1 pins 5 connect resistance R3, and the resistance R3 other ends connect diode D1 negative poles, triode VT1 base stages and ground connection luminous two respectively
Pole pipe LED1 positive poles, chip U1 pins 9 connect resistance R4 and diode D1 positive poles respectively, and resistance R4 other ends connection ground connection is luminous
Diode (LED) positive pole, triode VT1 collector connection relay J coils, the relay J coils other end connect chip U1 respectively
Pin 8 and resistance R5, resistance R5 other ends connection potentiometer RP2 slide plates, potentiometer RP2 other ends ground connection, the relay J are touched
The point J-1 other ends connect output end vo.
2. battery powered according to claim 1 detects control circuit, it is characterised in that the chip U1 models
NE555。
3. battery powered according to claim 1 detects control circuit, it is characterised in that the power supply VCC voltages are
12V。
4. battery powered according to claim 1 detects control circuit, it is characterised in that the power supply VCC voltages are electricity
Pond provides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720351327.2U CN206712491U (en) | 2017-04-06 | 2017-04-06 | A kind of battery powered detects control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720351327.2U CN206712491U (en) | 2017-04-06 | 2017-04-06 | A kind of battery powered detects control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206712491U true CN206712491U (en) | 2017-12-05 |
Family
ID=60468660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720351327.2U Expired - Fee Related CN206712491U (en) | 2017-04-06 | 2017-04-06 | A kind of battery powered detects control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206712491U (en) |
-
2017
- 2017-04-06 CN CN201720351327.2U patent/CN206712491U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190228 Address after: 362442 Business Processing Building of China International Information Technology (Fujian) Industrial Park Data Center, Longmen Town, Anxi County, Quanzhou City, Fujian Province Patentee after: Fujian Silei Plant Protection Technology Co.,Ltd. Address before: 510000 B1B2, one, two, three and four floors of the podium building 231 and 233, science Avenue, Guangzhou, Guangdong. Patentee before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20190228 Address after: 510000 B1B2, one, two, three and four floors of the podium building 231 and 233, science Avenue, Guangzhou, Guangdong. Patentee after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: 362000 No. 23 Piedmont, new residence community, Quangang District, Quanzhou, Fujian Patentee before: Cheng Xiaohong |
|
| 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: 20171205 |