CN214059561U - Elevator control system convenient to overhaul - Google Patents
Elevator control system convenient to overhaul Download PDFInfo
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- CN214059561U CN214059561U CN202022367742.1U CN202022367742U CN214059561U CN 214059561 U CN214059561 U CN 214059561U CN 202022367742 U CN202022367742 U CN 202022367742U CN 214059561 U CN214059561 U CN 214059561U
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Abstract
The utility model provides an elevator control system convenient to overhaul, include: the maintenance loop comprises a short-circuit plug-in and a first short-circuit socket, and the short-circuit plug-in is arranged in the maintenance loop in series; the safety loop comprises a hall door lock, a car door lock, a second short circuit socket, a third short circuit socket and an alarm branch; one pin and three pins of the second short circuit socket are respectively connected with two ends of a hall door lock, one pin and three pins of the third short circuit socket are respectively connected with two ends of a car door lock, and four pins of the second short circuit socket and four pins of the third short circuit socket are both electrically connected with an alarm branch circuit; and the controller is used for controlling the overhaul loop and the safety loop. This kind of elevator control system makes the warning branch road also can work when the elevator is in the maintenance state through short circuit plug-in components, first short circuit socket, second short circuit socket and third short circuit socket, reports to the police for the maintainer light.
Description
Technical Field
The utility model relates to an elevator overhauls technical field, especially relates to an elevator control system convenient to overhaul.
Background
Elevator control systems typically include an inspection loop, which is typically used by maintenance personnel to perform elevator inspection, and a safety loop. There is not the warning circuit who is used for the warning on traditional elevator control system, has the warning branch road that has light alarming function on the safety circuit of the elevator among the prior art, but because safety circuit is by the bypass when the elevator overhauls, the warning branch road can't work, and maintainer can't in time receive the light and report to the police.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problem that the alarm branch can not carry out light alarm when overhauing, the utility model provides an elevator control system convenient to overhaul solves above-mentioned problem.
The utility model provides a technical scheme that its technical problem adopted is: an elevator control system that facilitates servicing, comprising:
the maintenance loop comprises a short-circuit plug-in and a first short-circuit socket, the short-circuit plug-in is arranged in the maintenance loop in series, one pin and three pins of the short-circuit plug-in are in short circuit, and one pin and three pins of the first short-circuit socket are in short circuit;
the safety loop comprises a hall door lock, a car door lock, a second short circuit socket, a third short circuit socket and an alarm branch;
one pin and three pins of the second short circuit socket are respectively connected with two ends of a hall door lock, one pin and three pins of the third short circuit socket are respectively connected with two ends of a car door lock, and four pins of the second short circuit socket and four pins of the third short circuit socket are both electrically connected with an alarm branch circuit;
and the controller is used for controlling the overhaul loop and the safety loop.
Preferably, the maintenance loop comprises a control cabinet branch, a car maintenance branch and a car top maintenance branch;
the control cabinet branch comprises a normally open control cabinet uplink button SBPU, a normally open control cabinet downlink button SBPD, a normally open control cabinet neutral button SBPR and a control cabinet emergency motion switch group, wherein the control cabinet emergency motion switch group comprises a normally closed control cabinet emergency motion switch SRP and a normally open control cabinet emergency motion switch SRP which are linked; one end of the control cabinet uplink button SBPU is connected with the controller, one end of the control cabinet downlink button SBPD is connected with the controller, the other end of the control cabinet uplink button SBPU and the other end of the control cabinet downlink button SBPD are both connected with one end of a control cabinet neutral button SBPR, and the other end of the control cabinet neutral button SBPR is connected with one end of a normally-open control cabinet emergency motion switch SRP; one end of the normally closed emergency motion switch SRP of the control cabinet is connected with three pins of a short-circuit plug-in unit, and one pin of the short-circuit plug-in unit is connected with a controller; the other end of the normally closed control cabinet emergency motion switch SRP is connected with the other end of the normally open control cabinet emergency motion switch SRP;
the car overhauling branch comprises a car overhauling switch group, a car overhauling up button SBCU, a car overhauling down button SBCD and a diode D1, wherein the car overhauling switch group comprises two car overhauling switches SRC which are linked and are both normally closed; one end of the car-type maintenance ascending button SBCU is connected with the controller, one end of the car-type maintenance descending button SBCD is connected with the controller, the other end of the car-type maintenance ascending button SBCU and the other end of the car-type maintenance descending button SBCD are both connected with the anode of a diode D1, the cathode of the diode D1 is connected with one end of a car-type maintenance switch SRC, and the other end of the car-type maintenance switch SRC is connected with the other end of a normally closed control cabinet emergency motion switch SRP;
the car top maintenance branch comprises a car top maintenance uplink button SBTU, a car top maintenance downlink button SBTD, a car top maintenance public button SBTR and a car top maintenance switch group, wherein the car top maintenance switch group comprises a normally open car top maintenance switch SRT and a normally closed car top maintenance switch SRT which are linked; the sedan-chair top overhauls the one end connection director of going upward button SBTU, the sedan-chair top overhauls the one end connection director of descending button SBTD, the sedan-chair top overhauls the one end that going upward button SBTU and sedan-chair top overhauld descending button SBTD's the other end and all connect the sedan-chair top and overhaul public button SBTR, another sedan-chair top overhauls the one end that another sedan-chair maintenance switch SRC was connected to the other end that sedan-chair top overhauld switch SRC, the negative pole of diode D1 is connected to the one end of normally closed sedan-chair top overhaul switch SRT, the signal mouth is all connected to the other end of normally open sedan-chair top overhaul switch SRT and normally closed sedan-chair top overhaul switch SRT.
Preferably, the safety loop comprises a door lock branch, an alarm branch, a second short-circuit socket and a third short-circuit socket;
the door lock branch comprises the hall door lock switch and a car door lock which are arranged in series, and the car door lock comprises a front door car door lock switch SMC1 and a rear door car door lock switch SMC2 which are arranged in series;
one pin and three pins of the second short circuit socket are respectively connected with two ends of the hall door lock; one pin of the third short-circuit socket is connected with one end of a front door lock switch SMC1, the other end of the front door lock switch SMC1 is connected with one end of a rear door lock switch SMC2, and the three pin of the third short-circuit socket is connected with the other end of the rear door lock switch SMC 2; two pins of the second short circuit socket are connected with two pins of a third short circuit socket;
the warning branch road includes band-type brake contactor and audible-visual alarm device, the one end of band-type brake contactor is all connected to the four feet of second short circuit socket and the four feet of third short circuit socket, audible-visual alarm device is connected to the other end of band-type brake contactor.
Preferably, the safety circuit further comprises a first branch, a second branch, a third branch and a fourth branch;
the terminal point of the first branch is respectively connected with the starting point of the second branch and the starting point of the third branch, and the first branch comprises a phase sequence switch KAP, a control cabinet emergency stop switch STP, a car emergency stop switch STC and a car roof emergency stop switch STT which are arranged in series;
the terminal point of the second branch is respectively connected with the terminal point of the third branch and the starting point of the fourth branch, and the second branch comprises a car top maintenance switch SRT, a control cabinet emergency operation switch SRP and a control cabinet neutral button switch SBPR which are arranged in series;
the third branch comprises a safety gear switch SSAN, a speed limiter switch SSLS, an uplink overspeed protection switch SSOS, an upper limit switch SLUL, a lower limit switch SLDL, a car buffer switch SSCB and a counterweight buffer switch SSBB;
the terminal point of the fourth branch is connected with the controller and the starting point of the door lock branch, and the fourth branch comprises a rope breaking switch SSRG, a pit inlet emergency stop switch STL1, a pit emergency stop switch STL, a turning hand wheel switch STV and a main machine side emergency stop switch STM which are arranged in series;
the starting point of the door lock branch is connected with the end point of the fourth branch.
The beneficial effects of the utility model are that, this kind of elevator control system makes the warning branch road also can work when the elevator is in maintenance state through short circuit plug-in components, first short circuit socket, second short circuit socket and third short circuit socket, carries out light for the maintainer and reports to the police.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is the utility model relates to an elevator control system's maintenance return circuit's convenient to overhaul structural schematic diagram.
Fig. 2 is the utility model discloses a safety circuit's of elevator control system convenient to overhaul structural schematic diagram.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in figures 1-2, the utility model provides an elevator control system convenient to overhaul, including controller, maintenance return circuit and safety circuit.
The controller is used for controlling the overhaul loop and the safety loop, and in the embodiment, the controller is a frequency converter with the model number AS 380.
The overhaul loop comprises a shorting plug-in, a first shorting socket DJ2, a control cabinet branch, a car overhaul branch and a car top overhaul branch.
The control cabinet branch comprises a normally open control cabinet uplink button SBPU, a normally open control cabinet downlink button SBPD, a normally open control cabinet neutral button SBPR and a control cabinet emergency motion switch group, and the control cabinet emergency motion switch group comprises a normally closed control cabinet emergency motion switch SRP and a normally open control cabinet emergency motion switch SRP which are linked; one end of a control cabinet uplink button SBPU is connected with a JP8.3 port of the controller, one end of a control cabinet downlink button SBPD is connected with a JP8.4 port of the controller, the other end of the control cabinet uplink button SBPU and the other end of the control cabinet downlink button SBPD are both connected with one end of a control cabinet neutral button SBPR, and the other end of the control cabinet neutral button SBPR is connected with one end of a normally-open control cabinet emergency motion switch SRP; one end of the normally closed emergency motion switch SRP of the control cabinet is connected with the three pins of the short-circuit plug-in unit, and one pin of the short-circuit plug-in unit is connected with the JP8.1 port and the second port of the controller; the other end of the normally closed control cabinet emergency motion switch SRP is connected with the other end of the normally open control cabinet emergency motion switch SRP.
The car overhauling branch comprises a car overhauling switch group, a car overhauling up button SBCU, a car overhauling down button SBCD and a diode D1, wherein the car overhauling switch group comprises two car overhauling switches SRC which are linked and are both normally closed; one end of a car maintenance ascending button SBCU is connected with a JP8.3 port of the controller, one end of a car maintenance descending button SBCD is connected with a JP8.4 port of the controller, the other ends of the car maintenance ascending button SBCU and the car maintenance descending button SBCD are both connected with the anode of a diode D1, the cathode of the diode D1 is connected with one end of a car maintenance switch SRC, and the other end of the car maintenance switch SRC is connected with the other end of a normally closed control cabinet emergency motion switch SRP.
The car top maintenance branch comprises a car top maintenance uplink button SBTU, a car top maintenance downlink button SBTD, a car top maintenance public button SBTR and a car top maintenance switch group, and the car top maintenance switch group comprises a normally open car top maintenance switch SRT and a normally closed car top maintenance switch SRT which are linked; the one end connection director's of sedan-chair top maintenance ascending button SBTU JP8.3 port, the sedan-chair top overhauls the JP8.4 port of one end connection director of descending button SBTD, the sedan-chair top is overhauld the other end of ascending button SBTU and sedan-chair top maintenance descending button SBTD and is all connected the one end that the sedan-chair top overhauld public button SBTR, another one end of car maintenance switch SRC is connected to the other end that the sedan-chair top overhauld public button SBTR, the one end of normally open sedan-chair top maintenance switch SRT is connected to another one end of car maintenance switch SRC, the negative pole of diode D1 is connected to the one end of normally closed sedan-chair top maintenance switch SRT, the other end of normally open sedan-chair top maintenance switch SRT and normally closed.
One leg and three legs of the shorting plug are shorted and one leg and three legs of the first shorting socket DJ2 are shorted.
When the elevator normally runs, the short-circuit plug-in is plugged with the first short-circuit socket DJ2, one pin of the short-circuit plug-in is connected with one pin of the first short-circuit socket DJ2, and the three pins of the short-circuit plug-in are connected with the three pins of the first short-circuit socket DJ 2.
The safety circuit comprises a first branch circuit, a second branch circuit, a third branch circuit, a fourth branch circuit, a door lock branch circuit, an alarm branch circuit, a second short-circuit socket DJ3 and a third short-circuit socket DJ4, wherein the first branch circuit, the second branch circuit, the third branch circuit, the fourth branch circuit and the door lock branch circuit are arranged in series.
The terminal point of the first branch is respectively connected with the starting point of the second branch and the starting point of the third branch, and the first branch comprises a phase sequence switch KAP, a control cabinet emergency stop switch STP, a car emergency stop switch STC and a car roof emergency stop switch STT which are arranged in series;
in the first branch, one end of a phase sequence switch KAP is connected with one end of a control cabinet emergency stop switch STP, the other end of the control cabinet emergency stop switch STP is connected with one end of a car emergency stop switch STC, the other end of the car emergency stop switch STC is connected with one end of a car top emergency stop switch STT, and the other end of the car top emergency stop switch STT is respectively connected with the starting point of the second branch and the starting point of the third branch.
The terminal point of the second branch circuit is respectively connected with the terminal point of the third branch circuit and the starting point of the fourth branch circuit, and the second branch circuit comprises a car top maintenance switch SRT, a control cabinet emergency operation switch SRP and a control cabinet neutral button switch SBPR which are arranged in series. In the second branch, one end of the car top maintenance switch SRT is connected with the terminal of the first branch and the starting point of the third branch respectively, the other end of the car top maintenance switch SRT is connected with one end of the control cabinet emergency operation switch SRP, the other end of the control cabinet emergency operation switch SRP is connected with one end of the control cabinet neutral button switch SBPR, and the other end of the control cabinet neutral button switch SBPR is connected with the terminal of the third branch and the starting point of the fourth branch.
The third branch comprises a safety gear switch SSAN, a speed limiter switch SSLS, an upstream overspeed protection switch SSOS, an upper limit switch SLUL, a lower limit switch SLDL, a car buffer switch SSCB and a counterweight buffer switch SSBB. In the third branch, one end of a safety gear switch SSAN is connected with the end point of the first branch and the starting point of the third branch, the other end of the safety gear switch SSAN is connected with one end of a speed limiter switch SSLS, the other end of the speed limiter switch SSLS is connected with one end of an uplink overspeed protection switch SSOS, the other end of the uplink overspeed protection switch SSOS is connected with one end of an upper limit switch SLUL, the other end of the upper limit switch SLUL is connected with one end of a lower limit switch SLDL, the other end of the lower limit switch SLDL is connected with one end of a car buffer switch SSCB, the other end of the car buffer switch SSCB is connected with one end of a counterweight buffer switch SSBB, and the other end of the counterweight buffer switch SSBB is connected with the end point of the second branch and the starting point of the fourth branch.
The terminal point of the fourth branch is connected with the JP1.2 port of the controller and the starting point of the door lock branch, and the fourth branch comprises a rope breaking switch SSRG, a pit inlet emergency stop switch STL1, a pit emergency stop switch STL, a turning hand wheel switch STV and a host side emergency stop switch STM which are arranged in series. In the fourth branch, one end of a rope breaking switch SSRG is connected with the end point of the second branch and the end point of the third branch respectively, the other end of the rope breaking switch SSRG is connected with one end of a pit inlet scram switch STL1, the other end of the pit scram switch STL is connected with one end of a turning hand wheel switch STV, the other end of the turning hand wheel switch STV is connected with one end of a host side scram switch STM, and the other end and one end of the host side scram switch STM are connected with a JP1.2 port connected with a controller and a starting point of a door lock branch respectively.
The end point of the door lock branch is connected with the JP1.3 port of the controller. The door lock branch comprises a hall door lock switch and a car door lock which are arranged in series, and the car door lock comprises a front door car door lock switch SMC1 and a rear door car door lock switch SMC2 which are arranged in series. One end of the hall door lock switch is connected with the terminal of the fourth branch, the JP1.2 port of the controller and one pin of the second short-circuit socket DJ3, and the other end of the hall door lock switch is connected with one end of the front door car door lock switch SMC1 and the three pins of the second short-circuit socket DJ 3. One end of front door lock switch SMC1 is connected to one leg of third shorting socket DJ4, the other end of front door lock switch SMC1 is connected to one end of back door lock switch SMC2, and the other end of back door lock switch SMC2 is connected to the three leg of third shorting socket DJ4 and to the JP1.3 port of the controller. In this embodiment, the other end of the back door lock switch SMC2 is also connected to one end of a door lock contactor, the other short-circuited 101 line of which is the door lock contactor that is activated when the elevator door lock is closed.
Both legs of the second shorting socket DJ3 and both legs of the third shorting socket DJ4 are connected to the R1 line.
The alarm branch comprises a band-type brake contactor and an acousto-optic alarm device, wherein the four pins of the second short-circuit socket DJ3 and the four pins of the third short-circuit socket DJ4 are connected with one end of the band-type brake contactor, the other end of the band-type brake contactor is connected with one end of the acousto-optic alarm device, and the other short-circuit N1 line of the acousto-optic alarm device is connected with the other end of the band-type brake contactor.
When the elevator is serviced, the service person pulls the shorting plug out of the first shorting socket DJ 2. When the bypass hall door lock is needed, the maintainer will short circuit the plug-in with second short circuit socket DJ3, and the maintenance return circuit enters the bypass state simultaneously. When the car door lock needs to be bypassed, the maintainer will short circuit plug-in components and third short circuit socket DJ4, and the maintenance loop enters a bypass state. When the elevator is started in a bypass state, the KMB brake contactor of the elevator acts, and the alarm branch can give an audible and visual alarm after working.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. An elevator control system that facilitates servicing, comprising:
the maintenance loop comprises a short-circuit plug-in and a first short-circuit socket, the short-circuit plug-in is arranged in the maintenance loop in series, one pin and three pins of the short-circuit plug-in are in short circuit, and one pin and three pins of the first short-circuit socket are in short circuit;
the safety loop comprises a hall door lock, a car door lock, a second short circuit socket, a third short circuit socket and an alarm branch;
one pin and three pins of the second short circuit socket are respectively connected with two ends of a hall door lock, one pin and three pins of the third short circuit socket are respectively connected with two ends of a car door lock, and four pins of the second short circuit socket and four pins of the third short circuit socket are both electrically connected with an alarm branch circuit;
and the controller is used for controlling the overhaul loop and the safety loop.
2. An elevator control system for facilitating service as defined in claim 1, wherein:
the maintenance loop comprises a control cabinet branch, a car maintenance branch and a car top maintenance branch;
the control cabinet branch comprises a normally open control cabinet uplink button SBPU, a normally open control cabinet downlink button SBPD, a normally open control cabinet neutral button SBPR and a control cabinet emergency motion switch group, wherein the control cabinet emergency motion switch group comprises a normally closed control cabinet emergency motion switch SRP and a normally open control cabinet emergency motion switch SRP which are linked; one end of the control cabinet uplink button SBPU is connected with the controller, one end of the control cabinet downlink button SBPD is connected with the controller, the other end of the control cabinet uplink button SBPU and the other end of the control cabinet downlink button SBPD are both connected with one end of a control cabinet neutral button SBPR, and the other end of the control cabinet neutral button SBPR is connected with one end of a normally-open control cabinet emergency motion switch SRP; one end of the normally closed emergency motion switch SRP of the control cabinet is connected with three pins of a short-circuit plug-in unit, and one pin of the short-circuit plug-in unit is connected with a controller; the other end of the normally closed control cabinet emergency motion switch SRP is connected with the other end of the normally open control cabinet emergency motion switch SRP;
the car overhauling branch comprises a car overhauling switch group, a car overhauling up button SBCU, a car overhauling down button SBCD and a diode D1, wherein the car overhauling switch group comprises two car overhauling switches SRC which are linked and are both normally closed; one end of the car-type maintenance ascending button SBCU is connected with the controller, one end of the car-type maintenance descending button SBCD is connected with the controller, the other end of the car-type maintenance ascending button SBCU and the other end of the car-type maintenance descending button SBCD are both connected with the anode of a diode D1, the cathode of the diode D1 is connected with one end of a car-type maintenance switch SRC, and the other end of the car-type maintenance switch SRC is connected with the other end of a normally closed control cabinet emergency motion switch SRP;
the car top maintenance branch comprises a car top maintenance uplink button SBTU, a car top maintenance downlink button SBTD, a car top maintenance public button SBTR and a car top maintenance switch group, wherein the car top maintenance switch group comprises a normally open car top maintenance switch SRT and a normally closed car top maintenance switch SRT which are linked; the sedan-chair top overhauls the one end connection director of going upward button SBTU, the sedan-chair top overhauls the one end connection director of descending button SBTD, the sedan-chair top overhauls the one end that going upward button SBTU and sedan-chair top overhauld descending button SBTD's the other end and all connect the sedan-chair top and overhaul public button SBTR, another sedan-chair top overhauls the one end that another sedan-chair maintenance switch SRC was connected to the other end that sedan-chair top overhauld switch SRC, the negative pole of diode D1 is connected to the one end of normally closed sedan-chair top overhaul switch SRT, the signal mouth is all connected to the other end of normally open sedan-chair top overhaul switch SRT and normally closed sedan-chair top overhaul switch SRT.
3. An elevator control system for facilitating service as defined in claim 2, wherein:
the safety loop comprises a door lock branch, an alarm branch, a second short circuit socket and a third short circuit socket;
the door lock branch comprises the hall door lock switch and a car door lock which are arranged in series, and the car door lock comprises a front door car door lock switch SMC1 and a rear door car door lock switch SMC2 which are arranged in series;
one pin and three pins of the second short circuit socket are respectively connected with two ends of the hall door lock; one pin of the third short-circuit socket is connected with one end of a front door lock switch SMC1, the other end of the front door lock switch SMC1 is connected with one end of a rear door lock switch SMC2, and the three pin of the third short-circuit socket is connected with the other end of the rear door lock switch SMC 2; two pins of the second short circuit socket are connected with two pins of a third short circuit socket;
the warning branch road includes band-type brake contactor and audible-visual alarm device, the one end of band-type brake contactor is all connected to the four feet of second short circuit socket and the four feet of third short circuit socket, audible-visual alarm device is connected to the other end of band-type brake contactor.
4. An elevator control system for facilitating service as claimed in claim 3, wherein:
the safety circuit further comprises a first branch, a second branch, a third branch and a fourth branch;
the terminal point of the first branch is respectively connected with the starting point of the second branch and the starting point of the third branch, and the first branch comprises a phase sequence switch KAP, a control cabinet emergency stop switch STP, a car emergency stop switch STC and a car roof emergency stop switch STT which are arranged in series;
the terminal point of the second branch is respectively connected with the terminal point of the third branch and the starting point of the fourth branch, and the second branch comprises a car top maintenance switch SRT, a control cabinet emergency operation switch SRP and a control cabinet neutral button switch SBPR which are arranged in series;
the third branch comprises a safety gear switch SSAN, a speed limiter switch SSLS, an uplink overspeed protection switch SSOS, an upper limit switch SLUL, a lower limit switch SLDL, a car buffer switch SSCB and a counterweight buffer switch SSBB;
the terminal point of the fourth branch is connected with the controller and the starting point of the door lock branch, and the fourth branch comprises a rope breaking switch SSRG, a pit inlet emergency stop switch STL1, a pit emergency stop switch STL, a turning hand wheel switch STV and a main machine side emergency stop switch STM which are arranged in series;
the starting point of the door lock branch is connected with the end point of the fourth branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022367742.1U CN214059561U (en) | 2020-10-22 | 2020-10-22 | Elevator control system convenient to overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022367742.1U CN214059561U (en) | 2020-10-22 | 2020-10-22 | Elevator control system convenient to overhaul |
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| Publication Number | Publication Date |
|---|---|
| CN214059561U true CN214059561U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022367742.1U Active CN214059561U (en) | 2020-10-22 | 2020-10-22 | Elevator control system convenient to overhaul |
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| CN (1) | CN214059561U (en) |
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| GR01 | Patent grant |