CN2078946U - Automatic cut-off charger - Google Patents
Automatic cut-off charger Download PDFInfo
- Publication number
- CN2078946U CN2078946U CN90209745U CN90209745U CN2078946U CN 2078946 U CN2078946 U CN 2078946U CN 90209745 U CN90209745 U CN 90209745U CN 90209745 U CN90209745 U CN 90209745U CN 2078946 U CN2078946 U CN 2078946U
- Authority
- CN
- China
- Prior art keywords
- parallel
- power supply
- current
- charger
- relay
- 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.)
- Withdrawn
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
Abstract
The utility model discloses an automatic cut-off charger. Traditional chargers have various parts and complex constitution, which makes cost increased and reliability decreased. The utility model aims to provide the automatic cut-off charger which can automatically convert into low current charging and keep the charging state when the battery charging is saturated. The automatic cut-off charger is composed of a charging power supply, a rechargeable battery which arranges a normally closed temperature-controlling switch in a battery, and an automatic cut-out control circuit. The utility model has the advantages of simple circuit, convenient manufacture and low cost.
Description
The utility model relates to a kind of charger apparatus, more particularly, relating to a kind of is the circuit that service conditions constitutes by relay coil electric current and chargeable storage from temperature detect switch (TDS), being automatically converted to low current charge when battery charge is saturated, and keeps the charger of charged state.
As is generally known, the tradition automatic cut-off charger is voltage or the current sensing means that utilizes many electronic components to constitute, with to being provided with the charge in batteries of temperature detect switch (TDS), and when chargeable storage is saturated or overheated, charger is transferred to have and be about the specified 0.1C of storage battery (10% electric current of specified AH) to do the retentivity charging, but traditional approach circuit complex components is many, and making and material cost are all high.
The purpose of this utility model provides the charger that a kind of circuit is simple, easy to make, material cost is all low.
For achieving the above object, the solution that the utility model adopts is: utilize by relay coil electric current and chargeable storage to be feature from the operate condition of temperature detect switch (TDS) for the low-cost automatic charge cut-off circuit of reference conditions.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is that the utility model is by overtemperature escape and series relay coil impedance value current-limiting charging circuit block diagram.
Fig. 2 keeps charging circuit figure by means of saturated or overtemperature trip coil resistance value current limliting.
Fig. 3 keeps charging circuit figure by means of overtemperature escape and coil impedance value current limliting.
As shown in Figure 1, of the present utility model by means of overtemperature escape and series connection relay coil resistance value current-limiting charging circuit, mainly comprise:
Power supply: above-mentioned power supply can be and is pure direct current, half-wave DC, full-wave direct current, intermittently pulsating direct current or the ripple DC power supply is arranged;
Rechargeable battery B
0, establish normally closed temperature detect switch (TDS) TS in the above-mentioned battery
0
Automatic cut-off control circuit CK
0, foregoing circuit is for accepting temperature detect switch (TDS) TS
0Control, as rechargeable battery temperature rise off-rating, temperature detect switch (TDS) TS
0When escape opens circuit, can be by means of the restriction of coil impedance value, interrupt and reduce rechargeable battery is continued keep a less complementarity to keep charging (Topping Charge) to take the loop away up to power-off or battery.
According to principle shown in Figure 1, can be divided into as shown in Figures 2 and 3 two kinds of different enforcement circuit according to the difference of the selection type of drive of relay and sequence of movement.
As shown in Figure 2, for keeping the circuit of charging by means of saturated overtemperature trip coil resistance value current limliting, foregoing circuit mainly comprises:
One group of chargeable storage B
1, a group capacitor C
1An and relay coil CR
1Connect mutually, wherein B
1And C
1In parallel according to polarity with DC power supply, C
1Can optionally get and pick up;
Normally closed temperature detect switch (TDS) TS on the chargeable storage B1
1For with relay CR
1Normal opened contact CR
1Be parallel to C after the ' series connection
1Two ends, current-limiting resistance R
3Also be parallel to C
1Two ends;
Foregoing circuit further can be provided with current-limiting resistance R
1With demonstration LED
1Be parallel to coil CR after the series connection
1Two ends show to be provided as charging; And setting current-limiting resistance R
2With demonstration LED
2Be parallel to R after the series connection
3Two ends are made for and keep charging to show; And current-limiting resistance R
4With demonstration LED
4Be parallel to power supply after the series connection and be made for the power supply demonstration.
The course of action of the described circuit of Fig. 2 is as follows:
When sending electricity, because of capacitor C
1The instantaneous short circuit effect, relay CR
1Normal opened contact CR
1' is inhaled closedly, and charge to battery, when the approaching saturated and cell voltage rising of battery, relay CR
1Will be because of be reduced to escape under the holding current value by electric current, this moment is because of coil resistance and current-limiting resistance R
3Restriction and make battery be little electric current retentivity charging (ToppingCharge) state; Relay CR
1Also be cut off and be low current charge (ToppingCharge) state.
Fig. 3 is another embodiment of the present utility model, promptly keeps the circuit of charging by means of overtemperature escape and coil impedance value current limliting, and foregoing circuit mainly comprises:
After connecting mutually, one a group of chargeable storage B101 and a group relay coil CR101 be parallel to power supply;
After being in series, the normally closed temperature detect switch (TDS) TS101 of chargeable storage B101 and the normally closed contact CR101 ' of relay CR101 be arranged in parallel coil two ends in relay CR101;
Foregoing circuit further can be provided with and be parallel to coil CR101 two ends after current-limiting resistance R101 and LED101 are in series and be made for retentivity charging (Topping Charge) and show; And current-limiting resistance R104 be parallel to power supply after LED104 connects and show to make power supply.
The course of action of the described circuit of Fig. 3 is as follows:
When sending electricity, temperature detect switch (TDS) TS101 and relay normally closed contact CR101 ' are closure state, and this moment, battery was normal charging condition; When raising, battery temperature soil reaches temperature detect switch (TDS) TS101 operating point, temperature detect switch (TDS) TS101 tripping, relay CR101 coil is subjected to electronic work and normally closed contact CR101 ' is the state of opening, to prevent the temperature detect switch (TDS) TS101 cooling back relay CR101 involution of rechargeable battery B101, this moment, charging current was subjected to the restriction of the coil resistance of relay CR101, suitably selective relay CR101 resistance value can make battery be retentivity charging (Topping Charge) state.
In addition, in actual applications, can be at the normally closed contact CR101 ' two ends of a relay auxiliary resistance R102 in parallel, the function of this resistance is for cutting off at battery temperature rise for the first time temperature detect switch (TDS), and then driving relay CR101, can increase charging current when making circuit transfer retentivity charging (ToppingCharge) state to improve charge efficiency when battery is cooled to temperature detect switch (TDS) TS101 closure, the resistance of this auxiliary resistance R102 is chosen as the maintenance that does not hinder relay CR101 and limits the charging current that institute's desire increases.
Comprehensively above-mentioned, the utility model for by be arranged at rechargeable battery from temperature detect switch (TDS) in conjunction with the relay group, interlocking by means of relay winding point and temperature detect switch (TDS), so that circuit switches to the maintenance low current charge (Topping Charge) of doing restriction or part restriction by means of the relay coil resistance value with to the rechargeable battery charging when the rechargeable battery temperature is too high, it is simple in structure and have a practical value.
Claims (4)
1. automatic cut-off charger by overtemperature escape and series relay coil impedance value current limliting is characterized in that above-mentioned charger mainly comprises:
One charge power supply, above-mentioned charge power supply can be pure direct current or half-wave DC or full-wave direct current or pulsating direct current at intermittence or the ripple DC power supply are arranged;
One rechargeable battery B
0, establish normally closed temperature detect switch (TDS) TS in the above-mentioned battery
0
One automatic cut-off control circuit CK
0
2. charger as claimed in claim 1 is characterized in that above-mentioned charger further comprises:
One group of chargeable storage B
0An and group capacitor C
1An and relay coil CR
1The series connection back is in parallel with charge power supply mutually, C
1Can optionally get and pick up;
Chargeable storage B
0On normally closed temperature detect switch (TDS) TS
1For with relay CR
1Normal opened contact CR
1Be parallel to C after the series connection
1Two ends, current-limiting resistance R
3Also be parallel to C
1Two ends;
Foregoing circuit further can be provided with current-limiting circuit R
1With demonstration LED
1Be parallel to coil CR after the series connection
1Two ends show to be provided as charging; And setting current-limiting resistance R
2With demonstration LED
2Be parallel to R after the series connection
3Two ends are made for and keep charging to show; And current-limiting resistance R
4With demonstration LED
4Be parallel to power supply after the series connection and be made for the power supply demonstration.
3. charger as claimed in claim 1 is characterized in that above-mentioned charger further comprises:
After connecting mutually, one a group of chargeable storage B101 and a group relay coil CR101 be parallel to power supply;
The normally closed temperature detect switch (TDS) TS101 of chargeable storage B101 is for being arranged in parallel the coil two ends in relay CR101 after being in series with the normally closed contact CR101 ' of relay CR101;
Above-mentioned charger further can be provided with and be parallel to coil CR101 two ends after current-limiting resistance R101 and LED101 are in series and be made for retentivity charging (Topping Charge) and show; And current-limiting resistance R104 be parallel to power supply after LED104 connects and show to make power supply.
4. charger as claimed in claim 3 is characterized in that above-mentioned charger further can be by the auxiliary resistance R102 in parallel at the normally closed contact CR101 ' two ends of relay.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN90209745U CN2078946U (en) | 1990-07-10 | 1990-07-10 | Automatic cut-off charger |
| JP007623U JPH0570147U (en) | 1990-07-10 | 1992-02-21 | Series connection differential pressure type auxiliary relay type automatic stop charger |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN90209745U CN2078946U (en) | 1990-07-10 | 1990-07-10 | Automatic cut-off charger |
| JP007623U JPH0570147U (en) | 1990-07-10 | 1992-02-21 | Series connection differential pressure type auxiliary relay type automatic stop charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2078946U true CN2078946U (en) | 1991-06-12 |
Family
ID=63442354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN90209745U Withdrawn CN2078946U (en) | 1990-07-10 | 1990-07-10 | Automatic cut-off charger |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0570147U (en) |
| CN (1) | CN2078946U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2389840A (en) * | 2001-12-13 | 2003-12-24 | Ian Fairweather | Stackable fluid dispensing and holding system |
| CN1385922B (en) * | 2001-04-30 | 2010-05-26 | 杨泰和 | Thermal-holding type automatic cut-off recharger |
| CN110097858A (en) * | 2018-01-30 | 2019-08-06 | 瑞鼎科技股份有限公司 | Source electrode driver |
-
1990
- 1990-07-10 CN CN90209745U patent/CN2078946U/en not_active Withdrawn
-
1992
- 1992-02-21 JP JP007623U patent/JPH0570147U/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1385922B (en) * | 2001-04-30 | 2010-05-26 | 杨泰和 | Thermal-holding type automatic cut-off recharger |
| GB2389840A (en) * | 2001-12-13 | 2003-12-24 | Ian Fairweather | Stackable fluid dispensing and holding system |
| GB2389840B (en) * | 2001-12-13 | 2005-03-30 | Ian Fairweather | Stackable fluid dispensers |
| CN110097858A (en) * | 2018-01-30 | 2019-08-06 | 瑞鼎科技股份有限公司 | Source electrode driver |
| CN110097858B (en) * | 2018-01-30 | 2021-06-08 | 瑞鼎科技股份有限公司 | Source driver |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0570147U (en) | 1993-09-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |