CN202609719U - Circuit for detecting whether triggering electromagnet of elevator brake works normally - Google Patents
Circuit for detecting whether triggering electromagnet of elevator brake works normally Download PDFInfo
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- CN202609719U CN202609719U CN 201220216273 CN201220216273U CN202609719U CN 202609719 U CN202609719 U CN 202609719U CN 201220216273 CN201220216273 CN 201220216273 CN 201220216273 U CN201220216273 U CN 201220216273U CN 202609719 U CN202609719 U CN 202609719U
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- 238000012544 monitoring process Methods 0.000 claims description 14
- 239000003990 capacitor Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model relates to a circuit for detecting whether a triggering electromagnet of an elevator brake works normally. The circuit comprises resistors R1, R2 and R3 and a triode Q3. A first accessing end of the triggering electromagnet is connected with a driving power supply, a second accessing end of the triggering electromagnet is connected with the resistors R1 and R2 in series, the other end of the resistor R2 is in ground connection, and the resistors R1 and R2 is connected into a base electrode of the triode Q3. Two ends of the resistor R3 are respectively connected with a power supply of voltage of circuit (VCC) and a collector of the triode Q3, and the resistor R3 provides working voltage for the triode Q3. An emitter electrode of the triode Q3 is in ground connection, a collector of the triode Q3 is provided with an IN leading wire in a connecting mode, and the IN leading wire is connected into an analog input port of a control circuit. An input voltage signal of the circuit is input from one end of the resistor R1, and an output voltage signal is output from the IN leading wire. The circuit for detecting whether the triggering electromagnet of the elevator brake works normally is provided with an electromagnet driving circuit which has a real-time detecting function of on-line detecting of an open circuit, a short circuit and the like of the electromagnet circuit, and can timely detect a breakdown of the elevator brake and improve reliability of safe operation of an elevator.
Description
Technical field
The utility model belongs to elevator safety control technology field, particularly a kind of circuit of triggering electromagnet of the elevator wire rope drg with circuit breaker and short circuit monitoring function.
Background technology
The elevator wire rope drg is the safety component of elevator, and when elevator up hypervelocity or unexpected takes place slipped car, the traction steel-cable of elevator was clamped in the steel wire braking action, thus stop elevator, and protection is in personnel and the safety of goods in the car.
The elevator wire rope brakeage has two kinds of triggering modes: a kind of is that mechanical type triggers, and another kind is that electronic type triggers.At present, Purely mechanical triggers and is used less, and the overwhelming majority adopts electronic type to trigger, and what electronic type triggered employing is tractive magnet.When adopting electromagnet as the elevator wire rope drg product of action triggers mechanism; Because it is an electromechanical integrated product; There are circuit or electromagnet et out of order and can not be by the situation of timely discovery; And when the needs drg moves, but can not trigger drg effectively, thereby make the safe operation of elevator have hidden danger.
Summary of the invention
The utility model provides the whether circuit of normal operation of a kind of triggering electromagnet of monitoring elevator brake; It has detecting real-time functions such as the on-line monitoring solenoid circuit opens circuit, short circuit; Can in time detect the generation of elevator brake fault, improve the reliability of elevator safety operation.
The technical scheme of the utility model is following: whether the triggering electromagnet of monitoring elevator brake the circuit of normal operation; Comprise resistance R 1, resistance R 2, resistance R 3, aerotron Q3; First incoming end of said triggering electromagnet is connected to driving power; The second incoming end series resistance R1, resistance R 2, the other end ground connection of resistance R 2, the base stage of resistance R 1 and resistance R 2 access aerotron Q3; The two ends of resistance R 3 are the collecting electrode of power connection VCC, aerotron Q3 respectively, and resistance R 3 provides operating voltage for aerotron Q3; The grounded emitter of aerotron Q3, the collecting electrode of aerotron Q3 are connected to the IN lead-in wire, and lead-in wire IN is linked into the analog quantity input of control circuit; The input voltage signal of said circuit is from the end input of resistance R 1, and output voltage signal is from the output of IN lead-in wire.
Preferably, also comprise capacitor C 1, capacitor C 1 is parallelly connected with resistance R 2.
Preferably, be connected to magnet control relay S1 between second incoming end of triggering electromagnet and the ground wire, the normal opened contact of magnet control relay S1 is parallelly connected with resistance R 1 and resistance R 2.
The invention also discloses another kind of technical scheme: whether the triggering electromagnet of monitoring elevator brake the circuit of normal operation; Comprise resistance R 1, resistance R 2, resistance R 3, aerotron Q3, first incoming end that steel wire braking triggers electromagnet is connected with first end (1) of resistance R 1, second end (2) of resistance R 2, the base stage of aerotron Q3; Second end (2) of resistance R 1 is connected to driving power, first end (1) ground connection of resistance R 2; Trigger the second incoming end ground connection of electromagnet; The two ends of resistance R 3 are the collecting electrode of power connection VCC, aerotron Q3 respectively, and resistance R 3 provides operating voltage for aerotron Q3; The grounded emitter of aerotron Q3, the collecting electrode of aerotron Q3 are connected to lead-in wire IN, and lead-in wire IN is linked into the analog quantity input of control circuit.
Preferably, also comprise a capacitor C 1, capacitor C 1 is parallelly connected with resistance R 2.
Preferably, insert relay S1 between first end of triggering electromagnet and driving power, the normal opened contact of relay S1 is parallelly connected with resistance R 1.
Whether the triggering electromagnet of the utility model monitoring elevator brake the circuit of normal operation; Solenoid driver circuit with detecting real-time functions such as the on-line monitoring solenoid circuit opens circuit, short circuits; Can in time detect the generation of elevator brake fault, improve the reliability of elevator safety operation.
Description of drawings
Fig. 1 is the schematic circuit diagram of the utility model embodiment 1.
Fig. 2 is the schematic circuit diagram of the utility model embodiment 2.
The specific embodiment
Below in conjunction with accompanying drawing the utility model preferred embodiment is elaborated.
Embodiment one: referring to Fig. 1, whether the triggering electromagnet of present embodiment monitoring elevator brake the circuit of normal operation, and its physical circuit principle is following:
One, circuit for detecting constitutes and working mechanism
Circuit for detecting comprises divider resistance R1 (3), R2 (4), R3 (7), aerotron Q3 (6) and capacitor C 1 (5).
The connection structure of circuit for detecting electronic devices and components: the 1st incoming end of steel wire braking triggering electromagnet is connected to driving power through connection lead (11), and (present embodiment is DC12V; Do not use other voltage classs but do not get rid of); The 2nd incoming end of electromagnet inserts resistance R 1 (voltage is defined as V1) here through connection lead (12) series connection; Series connection inserts resistance R 2 again; 1 end ground connection (0V) of resistance R 2,1 end of resistance R 1 and 2 terminations of R2 are gone into the base stage (voltage is defined as V2) of aerotron Q3 here; Capacitor C 1 and resistance R 2 parallel connections are used to improve the interference rejection ability of circuit for detecting; One termination power VCC of resistance R 3 (present embodiment is DC5V), the other end is received the collecting electrode of aerotron Q3, and resistance R 3 provides operating voltage for aerotron Q3; The grounded emitter of aerotron Q3 (0V), the collecting electrode of aerotron Q3 are connected to IN lead-in wire (voltage is defined as V3) here, and lead-in wire IN is linked into the analog quantity input of control circuit.The input voltage signal of circuit for detecting (V1) is from the 2 ends input of resistance R 1, and the output voltage signal of circuit for detecting (V3) is from the output of IN9 lead-in wire.Output voltage letter (V3) is number normal at solenoid circuit (comprising wiring 11,12 and magnet coil), open circuit, be in the different voltages with different grade under short circuit (wiring short circuit or the magnet coil turn-to-turn short circuit) state; Thereby for the subsequent control circuit provides voltage input signal; Supply it judges whether solenoid circuit opens circuit, fault such as short circuit, play open circuit, the monitoring function of error state such as short circuit.The internal resistance of circuit for detecting is very big, but does not influence the normal operation of control circuit for electromagnet.
The working mechanism of circuit for detecting:
1, when circuit just often; Being connected on power supply DC12V on the electromagnet is connected with ground connection (0V) after through the electromagnet (internal resistance is RL) that is connected in series, resistance R 1, R2; The value of pressure-dividing output voltage V2 between electronics R1 and the R2 is 12V*R2/ (RL+R1+R2), and this voltage is after aerotron Q3 conversion, as the output voltage V 3 of the output signal line IN9 of circuit for detecting; This moment, its value was designated as V3_1, and it is worth less than VCC (5V).
2, when connecting the circuit breaker of electromagnet, no matter be that connection lead (11), (12) are broken off, or magnet spool breaks off, and the base tension of aerotron Q3 is 0V, and the output voltage of IN9 line is VCC (5V), is designated as V3_2.
3, when the short circuit that connects electromagnet, no matter be to open circuit between line between connection lead (11), (12), or the magnet coil turn-to-turn short circuit; The power supply DC12V that is connected on the electromagnet is connected with ground connection (0V) behind R1, the R2 through being connected in series; Pressure-dividing output voltage V2=12V*R1/ (R1+R2) between resistance R 18 and the R19, this voltage are after aerotron Q3 conversion, as the output voltage V 3 of the output signal line IN9 of circuit for detecting; This moment, its value was designated as V3_3, and it is worth less than V3_1.
Therefore; Output voltage V 3 through circuit for detecting (IN9 go between position) externally electromagnetic circuit (wiring and magnet coil) is in normally, opens circuit, produces during short-circuit condition the voltage of different brackets, and the voltage of this different brackets makes that solenoid circuit opens circuit, can be by detecting real-time during short trouble.
Two, circuit for detecting and magnet control relay S1 (2) collaborative work mode
Shown a kind of preferred magnet control driving circuit among Fig. 1, this driving circuit comprises relay S1 (2).
The normal opened contact of magnet control relay S1 (2) and resistance R 1, the R2 of circuit for detecting are connected in parallel between the 2nd incoming end of ground wire and electromagnet.
Under normal condition; The normal opened contact of relay is in off-state, and the current of electromagnet of flowing through this moment is I=12V/ (RL+R1+R2), wherein; RL is the resistance of magnet coil; The resistance value of resistance R 1 and R2 is very big, and the circuit of the magnet coil of therefore flowing through is very little, can not cause the heating and the misoperation of electromagnet.When the relay adhesive, the circuit for detecting of control electromagnet when action and relay normally open contact parallel connection is in disarmed state by short circuit, can not influence the action control of relay to electromagnet.
Implement two: referring to Fig. 2, whether the triggering electromagnet of present embodiment monitoring elevator brake the circuit of normal operation, and its physical circuit principle is following:
One, circuit for detecting constitutes and working mechanism
Circuit for detecting comprises divider resistance R1 (3), R2 (4), R3 (7), aerotron Q3 (6) and capacitor C 1 (5).
The connection structure of circuit for detecting electronic devices and components: the 1st incoming end that steel wire braking triggers electromagnet is connected with 1 end of resistance R 1 and 2 ends of resistance R 2 through connection lead (11), and voltage is V1 here, and this voltage is input to the base stage of aerotron Q3; 2 ends of resistance R 1 are connected to driving power (present embodiment is DC12V, does not use other voltage classs but do not get rid of), 1 end ground connection of resistance R 2.The 2nd incoming end of electromagnet is through connection lead (12) ground connection; Capacitor C 1 and resistance R 2 parallel connections are used to improve the interference rejection ability of circuit for detecting; One termination power VCC of resistance R 3 (present embodiment is DC5V), the other end is received the collecting electrode of aerotron Q3, and resistance R 3 provides operating voltage for aerotron Q3; The grounded emitter of aerotron Q3 (0V), the collecting electrode of aerotron Q3 are connected to IN lead-in wire (voltage is defined as V3) here, and lead-in wire IN is linked into the analog quantity input of control circuit.The input voltage signal of circuit for detecting (V2, V1; V1=V2) and output voltage letter (V3) number normal at solenoid circuit (comprising wiring 11,12 and magnet coil), open circuit, be in the different voltages with different grade under short circuit (wiring short circuit or the magnet coil turn-to-turn short circuit) state; Thereby for the subsequent control circuit provides voltage input signal; Supply it judges whether solenoid circuit opens circuit, fault such as short circuit, play open circuit, the monitoring function of error state such as short circuit.The internal resistance of circuit for detecting is very big, but does not influence the normal operation of control circuit for electromagnet.
The working mechanism of circuit for detecting:
1, when circuit just often, electromagnet (internal resistance is RL) and resistance R 2 parallel connection backs and R1 series connection are between 0V and 12V.The input voltage V2=12V* (R2//RL) of transistor base/[(R2//RL)+R1), this voltage is after aerotron Q3 conversion, and as the output voltage V 3 of the output signal line IN9 of circuit for detecting, this moment, its value was designated as V3_1, and it is worth less than 5V, greater than 0V.
2, when connecting the circuit breaker of electromagnet, no matter be that connection lead (11) (12) breaks off, still magnet spool disconnection, the base tension V2=12V*R2/ (R1+R2) of aerotron Q3, this voltage is greater than circuit voltage here just often.The output voltage V 3 of IN9 line, this moment, its value was designated as V3_2, V3_2>V3_1.
3, when the short circuit that connects electromagnet, no matter be to open circuit between line between the connection lead (11) (12), or the magnet coil turn-to-turn short circuit; The base stage of aerotron Q3 is directly connected to ground wire; V2=0V, not conducting between transistor collector and the emission collection is as the output voltage V 3 of the output signal line IN9 of circuit for detecting; This moment, its value was designated as V3_3, and it is worth 5V.
Therefore; Output voltage V 3 through circuit for detecting (IN9 go between position) externally electromagnetic circuit (wiring and magnet coil) is in normally, opens circuit, produces during short-circuit condition the voltage of different brackets, and the voltage of this different brackets makes that solenoid circuit opens circuit, can be by detecting real-time during short trouble.
Two, circuit for detecting and magnet control relay S1 (2) collaborative work mode
Shown a kind of preferred magnet control driving circuit among Fig. 2, this driving circuit comprises relay S1 (2).
The normal opened contact of magnet control relay S1 (2) and the resistance R 1 of circuit for detecting are connected in parallel between the 1st incoming end of 12V line and electromagnet.
Under normal condition, the normal opened contact of relay is in off-state, and the current of electromagnet of flowing through this moment is that < 12V/> R1, the resistance value of resistance R 1 is very big, so the circuit of the magnet coil of flowing through is very little, can not cause the heating and the misoperation of electromagnet for I.When the relay adhesive, the circuit for detecting R1 of control electromagnet when action and relay normally open contact parallel connection is in disarmed state by short circuit, can not influence the action control of relay to electromagnet.
Those of ordinary skill in the art will be appreciated that the utility model is not limited to the foregoing description, and any conversion to the utility model, modification all fall into the protection domain of the utility model.
Claims (6)
1. the triggering electromagnet of the monitoring elevator brake circuit of normal operation whether; It is characterized in that comprising resistance R 1, resistance R 2, resistance R 3, aerotron Q3; First incoming end of said triggering electromagnet is connected to driving power; The second incoming end series resistance R1, resistance R 2, the other end ground connection of resistance R 2, the base stage of resistance R 1 and resistance R 2 access aerotron Q3; The two ends of resistance R 3 are the collecting electrode of power connection VCC, aerotron Q3 respectively, and resistance R 3 provides operating voltage for aerotron Q3; The grounded emitter of aerotron Q3, the collecting electrode of aerotron Q3 are connected to lead-in wire IN; The input voltage signal of said circuit is from the end input of resistance R 1, and output voltage signal is from the output of IN lead-in wire.
2. circuit according to claim 1 is characterized in that also comprising capacitor C 1, and capacitor C 1 is parallelly connected with resistance R 2.
3. circuit according to claim 1 is characterized in that: be connected to magnet control relay S1 between second incoming end of triggering electromagnet and the ground wire, the normal opened contact of magnet control relay S1 is parallelly connected with resistance R 1 and resistance R 2.
4. the triggering electromagnet of the monitoring elevator brake circuit of normal operation whether; It is characterized in that comprising resistance R 1, resistance R 2, resistance R 3, aerotron Q3, first incoming end that steel wire braking triggers electromagnet is connected with first end (1) of resistance R 1, second end (2) of resistance R 2, the base stage of aerotron Q3; Second end (2) of resistance R 1 is connected to driving power, first end (1) ground connection of resistance R 2; Trigger the second incoming end ground connection of electromagnet; The two ends of resistance R 3 are the collecting electrode of power connection VCC, aerotron Q3 respectively, and resistance R 3 provides operating voltage for aerotron Q3; The grounded emitter of aerotron Q3, the collecting electrode of aerotron Q3 are connected to lead-in wire IN.
5. circuit as claimed in claim 4 is characterized in that also comprising a capacitor C 1, and capacitor C 1 is parallelly connected with resistance R 2.
6. circuit as claimed in claim 4 is characterized in that: insert relay S1 between first end of triggering electromagnet and driving power, the normal opened contact of relay S1 is parallelly connected with resistance R 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220216273 CN202609719U (en) | 2012-05-14 | 2012-05-14 | Circuit for detecting whether triggering electromagnet of elevator brake works normally |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220216273 CN202609719U (en) | 2012-05-14 | 2012-05-14 | Circuit for detecting whether triggering electromagnet of elevator brake works normally |
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| Publication Number | Publication Date |
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| CN202609719U true CN202609719U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220216273 Expired - Lifetime CN202609719U (en) | 2012-05-14 | 2012-05-14 | Circuit for detecting whether triggering electromagnet of elevator brake works normally |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674100A (en) * | 2012-05-14 | 2012-09-19 | 杭州沪宁电梯配件有限公司 | Circuit for monitoring normal/abnormal work of trigger electromagnet of elevator brake |
-
2012
- 2012-05-14 CN CN 201220216273 patent/CN202609719U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674100A (en) * | 2012-05-14 | 2012-09-19 | 杭州沪宁电梯配件有限公司 | Circuit for monitoring normal/abnormal work of trigger electromagnet of elevator brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311121 Zhongtai Industrial Park, water tower village, Zhongtai Township, Yuhang District, Hangzhou, Zhejiang Patentee after: HANGZHOU HUNING ELEVATOR PARTS CO., LTD. Address before: 311121 Zhongtai Industrial Park, water tower village, Zhongtai Township, Yuhang District, Hangzhou, Zhejiang Patentee before: Hangzhou Huning Elevator Fitting Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Yuhang Thailand Street Tower Village in Hangzhou City, Zhejiang province 311121 Patentee after: HANGZHOU HUNING ELEVATOR PARTS CO., LTD. Address before: 311121 Zhongtai Industrial Park, water tower village, Zhongtai Township, Yuhang District, Hangzhou, Zhejiang Patentee before: HANGZHOU HUNING ELEVATOR PARTS CO., LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |