CN205049641U - Group battery cell voltage detection device - Google Patents
Group battery cell voltage detection device Download PDFInfo
- Publication number
- CN205049641U CN205049641U CN201520745756.9U CN201520745756U CN205049641U CN 205049641 U CN205049641 U CN 205049641U CN 201520745756 U CN201520745756 U CN 201520745756U CN 205049641 U CN205049641 U CN 205049641U
- Authority
- CN
- China
- Prior art keywords
- voltage
- battery
- unit
- battery cells
- master control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a group battery cell voltage detection device, the device include main control board and connected detecting element, detecting element includes controller, the voltage acquisition unit and the output unit that link to each other with the controller, voltage acquisition unit connects in parallel with single battery and is used for gathering battery voltage, output unit is used for exporting battery voltage information, the controller is used for receiving the battery voltage signal that voltage acquisition unit gathered to be used for judging whether unusual voltage is, if it still is used for starting emergency action to have unusual controller, initiatively put through the main control board. The utility model discloses use pure electronic components to replace the mechanical type relay and realize gathering alone the every economize on electricity pond information in the group battery, upload every economize on electricity pond information one by one, the defect that mechanical type relay switching time is long, short -lived, the noise is big has been avoided using.
Description
Technical field
The utility model relates to a kind of management monitoring field, particularly a kind of battery cells voltage check device of fire fighting equipment supplying cell.
Background technology
As the critical piece of Intelligent fire-fighting emergency lighting and evacuation indication system, the normal work of Emergency Lighting Supply system (EPS) is the most important thing.Due to the difference between individual cells, and the restriction of battery operated voltage platform, therefore, system needs the voltage that accurately can detect each battery, prevents battery premature failure and avoids occurring safety problem.
According to standard GB/T 17945-2010 requirement, the duty of the necessary every batteries of supervisory system of EPS, need send alerting signal if any abnormal.Battery cells voltage check device provides every batteries work state information for EPS.
Current, a large amount of battery cells voltage check device used all adopts mechanical contact-type relay to switch the work state information gathering different battery.Relay switching time is generally between 1-2 second; Because the switching of relay belongs to mechanical action, so frequent switching greatly reduces the serviceable life of pick-up unit, simultaneously self power consumption and noise all larger.Meanwhile, in the primary power system (EPS) of Intelligent fire-fighting emergency lighting and evacuation indication system, for the battery distribution dispersion of system power supply, scope are comparatively large, battery voltage signal transmission range is long.
Therefore need to design a perfect in shape and function, operate the demand that the safe and reliable battery cells voltage check device of brief introduction meets emergent fire-fighting
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of battery cells voltage check device, the utility model uses pure electronic devices and components, integrate microprocessor technology and photoelectric technology, every batteries information is gathered separately, one by one every batteries information is uploaded by pick-up unit requirement.Use electronic devices and components to instead of mechanical relay, avoid and use the defect that mechanical relay switching time is long, the life-span is short, noise is large.
The concrete technical scheme of battery cells voltage check device of the present utility model is as follows,
A kind of battery cells voltage check device, for detecting the voltage of each monocell in electric battery, this device comprises master control borad and connected detecting unit;
Described detecting unit comprises controller, the voltage acquisition unit be connected with controller and output unit, and described voltage acquisition unit is in parallel with single battery for gathering cell voltage, and described output unit is for exporting battery voltage information; Described controller is used for the battery voltage signal that receiver voltage collecting unit gathers, and for judging that whether voltage is abnormal, if there is exception control device also for starting emergency action, initiatively connects master control borad.
Further, voltage acquisition unit comprises derailing switch and A/D converter, and derailing switch connects tested battery, A/D converter connection control device;
Derailing switch comprises metal-oxide-semiconductor, isolating diode D1, isolating diode D2 and the first photoisolator, described isolating diode D1, isolating diode D2 connect the both positive and negative polarity of battery respectively, and be connected with metal-oxide-semiconductor, described metal-oxide-semiconductor drain electrode is connected with described isolating diode D1, and the source electrode of described metal-oxide-semiconductor is connected with A/D converter; Described first photoisolator is connected with the grid of described metal-oxide-semiconductor, controls the break-make between the drain electrode of described metal-oxide-semiconductor and source electrode.
In this device, derailing switch adopts controllable semiconductor device metal-oxide-semiconductor as main shutoff device, mechanical relay collection is replaced to read information of voltage, have that switching speed is fast, the advantage of long service life, isolating diode D1, isolating diode D2, for isolating harassing between tested battery and other batteries, improve accuracy of measurement.
Further, output unit comprises the second photoisolator, and described second photoisolator first end is connected with the serial port output terminal of controller by protection circuit; Second end is connected with master control borad.
Further, battery cells voltage check device also comprises decoding unit, the enable input end of decoding unit is connected with master control borad with address input end, the selection output terminal of described decoding unit is connected with output unit, and be connected to master control borad, described decoding unit comprises multiple code translator, and the number of the output terminal of described decoding unit is more than the number of tested battery cells.
Further, described master control borad connects the first photoisolator and the second photoisolator by decoding unit.
In this device, master control borad realizes unified management to electric battery, and touring realization is to the integrated management of the detection of each single battery state in electric battery, judgement and warning.
Further; described battery cells voltage check device also comprises communication driver element; described communication driver element connects master control borad; transceiver, LC filter unit and surge protection unit is established in described communication driver element; described surge protection unit is connected with external system by RS485 interface; described transceiver one end is connected with surge protection unit by LC filter unit, and transceiver second end is connected to master control borad.
Further, described battery cells voltage check device also comprises mu balanced circuit, and described mu balanced circuit is connected with master control borad, controller, communication driver element and decoding unit.Mu balanced circuit is master control borad, controller, derailing switch and A/D converter provide stabilized voltage supply.
The beneficial effects of the utility model are:
Using controllable semiconductor device to replace relay to switch and gather different cell work information, because caused noise and the power consumption of self are cut-off in contact when avoiding mechanical contact-type relay to switch, and reducing because frequently cut-offfing the serviceable life caused;
The use of isolating device, avoids other batteries in electric battery except tested battery to the crosstalk of measurement mechanism, improves accuracy of measurement;
Battery voltage value is converted into the acceptable binary number of computing machine by A/D conversion equipment, the processing links in the middle of exempting;
The use of master control machine and code translator, is convenient to realize the unified management to multiple battery, and allows some leeway for follow-up expansion.
Accompanying drawing explanation
Fig. 1, be battery pack voltage detection device composition diagram in embodiment 1;
Fig. 2, be embodiment 1 detection cell circuit composition diagram;
Fig. 3, be battery pack voltage detection device composition diagram in embodiment 2;
Fig. 4, be in embodiment 2 communication driver element composition figure;
Fig. 5, be in embodiment 2 battery pack voltage detection device composition structural drawing.
Embodiment
Embodiment 1
A kind of battery cells voltage check device of the present embodiment, as shown in Figure 1,
As shown in Figure 1, this device comprises master control borad 200 and connected detecting unit 100 to the device of the present embodiment;
Detecting unit 100 comprises controller 1, the voltage acquisition unit 2 be connected with controller 1 and output unit 5; Wherein, voltage acquisition unit 2 is in parallel with single battery, for gathering cell voltage; Described output unit 5 is for exporting battery voltage information; The battery voltage signal that described controller 1 gathers for receiver voltage collecting unit 2, and for judging that whether voltage is abnormal, if there is exception control device 1 also for starting emergency action, initiatively connect master control borad 200.
As shown in Figure 2, voltage acquisition unit 2 comprises derailing switch 21 and A/D converter 22; Derailing switch 21 connects tested battery, A/D converter 22 connection control device 1; Derailing switch 21 comprises metal-oxide-semiconductor, isolating diode D1, isolating diode D2 and the first photoisolator; Isolating diode D1, isolating diode D2 connect the both positive and negative polarity of battery respectively, and are connected with metal-oxide-semiconductor, and metal-oxide-semiconductor drain electrode is connected with isolating diode D1, and the source electrode of metal-oxide-semiconductor is connected with A/D converter 22; First photoisolator is connected with the grid of metal-oxide-semiconductor, controls the break-make between metal-oxide-semiconductor drain electrode and source electrode.
Output unit 5 comprises the second photoisolator, and the second photoisolator first end is connected with the serial port output terminal of controller by protection circuit; Second end is connected with master control borad 200.
In the present embodiment, the single-chip microcomputer of MCS series selected by controller 1, and the level of its parallel data mouth and the first photoisolator co-controlling metal-oxide-semiconductor grid, thus open switch device, complete the collection of voltage signal; The Serial output mouth of single-chip microcomputer and the second photoisolator, master control borad 200 co-controlling output unit 5, export tested battery voltage data.
In the utility model, with metal-oxide-semiconductor be turn off device derailing switch 21 switch gather battery voltage information, its noise and the power consumption of self little, long service life; The application of management device, avoids the interference between battery; The collection of voltage, conversion, output complete under the control of master control borad 200 and controller 1, voltage check device perfect in shape and function, safe and reliable.
Embodiment 2
On the basis of embodiment 1, as shown in Figure 3, battery cells voltage check device also comprises decoding unit 6, communication driver element 7 and mu balanced circuit 8; The enable input end of described decoding unit 6 is connected with master control borad 200 with address input end, the selection output terminal of described decoding unit 6 is connected with output unit 5, and be connected to master control borad 200, described decoding unit 6 comprises multiple code translator, and the number of the output terminal of described decoding unit 6 is more than the number of tested battery cells.
Master control borad 200 connects the first photoisolator and the second photoisolator by decoding unit 6.
As shown in Figure 4, communication driver element 7 connects master control borad 200, realizes the transmission of information between master control borad 200 and RS485 interface; Wherein, establish transceiver, LC filter unit and surge protection unit in communication driver element 7, surge protection unit is connected with RS485 interface, and transceiver one end is connected with surge protection unit by LC filter unit, and the other end is connected to master control borad 200; Mu balanced circuit 8 is connected with master control borad 200, controller 1, derailing switch 21 and A/D converter 22, for it provides stabilized voltage supply.
In the present embodiment, when tested number of batteries is more, as shown in Figure 5, when there being 20 tested batteries in electric battery, use 20 detecting units, be connected respectively on decoding unit 6, decoding unit 6 uses 4 code translators and decodable code to go out 20 addresses for 20 detecting units; Carry out operating the voltage signal that can collect each battery in electric battery as long as master control borad 200 goes out 20 addresses according to the mode of cyclic access to code unit 6 decoding.
Use decoding unit 6 to connect detecting unit 100 and master control borad 200, can component number be reduced, simplified wiring, be beneficial to the integrated of system.
The above embodiment is only that preferred implementation of the present utility model is described; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that the technical scheme of those of ordinary skill in the art to utility model is made and improvement, all should fall in protection domain that claims of the present utility model determine.
Claims (7)
1. a battery cells voltage check device, detect the voltage of single battery in electric battery, it is characterized in that, described battery cells voltage check device comprises master control borad (200) and connected detecting unit (100); Described detecting unit (100) comprises controller (1), the voltage acquisition unit (2) be connected with controller (1) and output unit (5), described voltage acquisition unit (2) is in parallel with single battery for gathering cell voltage, and described output unit (5) is for exporting battery voltage information; The battery voltage signal that described controller (1) gathers for receiver voltage collecting unit (2), and for judging that whether voltage abnormal, if there is exception control device (1) also for starting emergency action, initiatively connect master control borad (200).
2. battery cells voltage check device as claimed in claim 1, it is characterized in that, described voltage acquisition unit (2) comprises derailing switch (21) and A/D converter (22), described derailing switch (21) connects tested battery, described A/D converter (22) connection control device (1);
Described derailing switch (21) comprises metal-oxide-semiconductor, isolating diode D1, isolating diode D2 and the first photoisolator, described isolating diode D1, isolating diode D2 connect the both positive and negative polarity of battery respectively, and be connected with metal-oxide-semiconductor, described metal-oxide-semiconductor drain electrode is connected with described isolating diode D1, and the source electrode of described metal-oxide-semiconductor is connected with A/D converter (22); Described first photoisolator is connected with the grid of described metal-oxide-semiconductor, controls the break-make between the drain electrode of described metal-oxide-semiconductor and source electrode.
3. battery cells voltage check device as claimed in claim 2, it is characterized in that described output unit (5) comprises the second photoisolator, described second photoisolator first end is connected by the serial port output terminal of protection circuit with controller (1); Second end is connected with master control borad (200).
4. battery cells voltage check device as claimed in claim 3, it is characterized in that, described battery cells voltage check device also comprises decoding unit (6), the enable input end of described decoding unit (6) is connected with master control borad (200) with address input end, the selection output terminal of described decoding unit (6) is connected with output unit (5), and be connected to master control borad (200), described decoding unit (6) comprises multiple code translator, and the number of the output terminal of described decoding unit (6) is more than the number of tested battery cells.
5. battery cells voltage check device as claimed in claim 4, it is characterized in that, described master control borad (200) connects the first photoisolator and the second photoisolator by decoding unit (6).
6. battery cells voltage check device as claimed in claim 5; it is characterized in that; described battery cells voltage check device also comprises communication driver element (7); described communication driver element (7) connects master control borad (200); transceiver, LC filter unit and surge protection unit is established in described communication driver element (7); described surge protection unit is connected with external system by RS485 interface; described transceiver one end is connected with surge protection unit by LC filter unit, and transceiver second end is connected to master control borad (200).
7. battery cells voltage check device as claimed in claim 6, it is characterized in that, described battery cells voltage check device also comprises mu balanced circuit (8), and described mu balanced circuit (8) is connected with master control borad (200), controller (1), derailing switch (21) and A/D converter (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520745756.9U CN205049641U (en) | 2015-09-24 | 2015-09-24 | Group battery cell voltage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520745756.9U CN205049641U (en) | 2015-09-24 | 2015-09-24 | Group battery cell voltage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205049641U true CN205049641U (en) | 2016-02-24 |
Family
ID=55343210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520745756.9U Active CN205049641U (en) | 2015-09-24 | 2015-09-24 | Group battery cell voltage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205049641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633250A (en) * | 2018-11-09 | 2019-04-16 | 国网浙江省电力有限公司台州供电公司 | One kind prejudging system for protection supervisory equipment terminal block current potential automatic collection in substation |
| CN109921068A (en) * | 2017-11-17 | 2019-06-21 | 奥迪股份公司 | Diagnostic system, the fuel cell system with diagnostic system and the method for determining cathode gas dirt |
-
2015
- 2015-09-24 CN CN201520745756.9U patent/CN205049641U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921068A (en) * | 2017-11-17 | 2019-06-21 | 奥迪股份公司 | Diagnostic system, the fuel cell system with diagnostic system and the method for determining cathode gas dirt |
| CN109633250A (en) * | 2018-11-09 | 2019-04-16 | 国网浙江省电力有限公司台州供电公司 | One kind prejudging system for protection supervisory equipment terminal block current potential automatic collection in substation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203870190U (en) | Fiber-style grounding and short-circuit fault indicator | |
| CN202903947U (en) | Line fault indicator | |
| CN205049641U (en) | Group battery cell voltage detection device | |
| CN105182058A (en) | Battery pack single battery voltage detection device | |
| CN105094102A (en) | Intelligent district data acquisition system equipped with serial server | |
| CN210039082U (en) | Intelligent electricity utilization safety detection equipment based on EnOcean communication technology | |
| CN204652035U (en) | A kind of Signal Detecting Circuit for Automatic Transfer Switching Equipment | |
| CN205015391U (en) | Medical stand -by power supply voltage detecting early warning circuit | |
| CN204631119U (en) | Multi-way intelligence gas meter, flow meter quiescent current automatic detection device | |
| CN204479724U (en) | Vanadium cell charge-discharge test protective device | |
| CN108631410B (en) | Photovoltaic power generation unit self-starting control device and power supply system | |
| CN203119627U (en) | Intelligent comprehensive management system of base station power supply | |
| CN203165173U (en) | Intelligent centralized meter reading and self-inspection unit | |
| CN202617059U (en) | Off-grid intelligent type fan controller | |
| CN203206568U (en) | Ultra-low power consumption type wind-solar hybrid LED street lamp intelligent monitor | |
| CN218386947U (en) | Electric power information communication safety operation and maintenance device | |
| CN205210288U (en) | A detecting system for lamp holder abnormal conditions | |
| CN201965210U (en) | Voltage monitoring device for storage battery of direct-current power supply cabinet | |
| CN205179480U (en) | Lamp holder abnormal conditions detecting system | |
| CN205484765U (en) | On --spot auxiliary detection device of smart electric meter | |
| CN209233537U (en) | A kind of direct current cabinet | |
| CN108944503A (en) | A kind of energy management system of electric car | |
| CN204069448U (en) | A kind of wind/solar hybrid street light controller monitored | |
| CN204408003U (en) | Remote-control intelligent gas meter concentrator power supply detects and commutation circuit in real time | |
| CN202678358U (en) | Intelligent type photovoltaic conflux box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |