CN116190135A - Elevator button termination and elevator button subassembly - Google Patents

Elevator button termination and elevator button subassembly Download PDF

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Publication number
CN116190135A
CN116190135A CN202310145677.3A CN202310145677A CN116190135A CN 116190135 A CN116190135 A CN 116190135A CN 202310145677 A CN202310145677 A CN 202310145677A CN 116190135 A CN116190135 A CN 116190135A
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CN
China
Prior art keywords
connection pin
elevator button
elevator
diode
connection
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.)
Pending
Application number
CN202310145677.3A
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Chinese (zh)
Inventor
郭利民
胡志伟
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Shenzhen Foremost Technology Co ltd
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Shenzhen Foremost Technology Co ltd
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Publication date
Application filed by Shenzhen Foremost Technology Co ltd filed Critical Shenzhen Foremost Technology Co ltd
Priority to CN202310145677.3A priority Critical patent/CN116190135A/en
Publication of CN116190135A publication Critical patent/CN116190135A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/46—Adaptations of switches or switchgear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/461—Adaptations of switches or switchgear characterised by their shape or profile
    • B66B1/466—Adaptations of switches or switchgear characterised by their shape or profile facilitating maintenance, installation, removal, replacement or repair
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies

Abstract

The invention discloses an elevator button wiring device and an elevator button assembly, wherein the elevator button wiring device comprises a conversion interface and a rectifying circuit electrically connected with the conversion interface; the conversion interface comprises connection pins which are arranged in a certain sequence, so that the conversion interface is connected with a bus interface of the elevator main control in a matching way, and the conversion interface is used for receiving a call signal from the rectifying circuit and transmitting the call signal to the elevator main control, and receiving an indicator lamp driving signal from the elevator main control and transmitting the indicator lamp driving signal to the rectifying circuit; the rectification circuit is also used for being electrically connected with the elevator button so as to generate a calling signal and transmit the calling signal to the conversion interface, and receiving the indicator light driving signals from the conversion interface and transmitting the indicator light driving signals which are arranged into fixed polarities to the elevator button, so that the indicator light of the elevator button is lightened. The invention ensures that the bus interface of the elevator master control does not need to distinguish the positive and negative polarities of the signal pins when being connected and can adapt to the arrangement sequence of the signal pins of different elevator master control bus interfaces.

Description

Elevator button termination and elevator button subassembly
Technical Field
The invention relates to the field of electric connectors, in particular to an elevator button wiring device and an elevator button assembly.
Background
In the process of real construction, the connection methods of the elevator main control and the elevator button are different due to different elevator brands and models. In the installation process of the elevator button, the positive and negative polarities of the signal pins connected with the elevator button in the bus interface of the elevator main control are required to be distinguished, an installer can easily cause misconnection of the positive and negative polarities of the signal pins in the wiring process, and a lot of troubles are added to the subsequent process of checking the problems after the misconnection occurs. In addition, the signal pins of the different elevator main control bus interfaces also have different arrangement sequences, corresponding patch cords are required to be made according to the different arrangement sequences in the actual assembly process, or different circuit boards are required to be made, so that different elevator buttons can be adapted, a plurality of complicated procedures are added to the later installation process of the elevator, and inconvenience in installation is caused. Accordingly, there is a need to provide an improved solution to overcome the above technical problems in the prior art.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an elevator button wiring device and an elevator button assembly, which make it unnecessary for an elevator master to distinguish between positive and negative polarities of signal pins of an elevator master bus interface when connected, and can adapt to the arrangement sequence of signal pins of different types of elevator master bus interfaces.
The invention provides an elevator button wiring device, which comprises a conversion interface and a rectification circuit electrically connected with the conversion interface; the conversion interface comprises at least one first call signal connection pin K1, at least one second call signal connection pin K2, at least one first indicator light driving signal connection pin L1 and at least one second indicator light driving signal connection pin L2 which are arranged in a certain sequence, so that the conversion interface is in matched connection with a bus interface of an elevator main control, the conversion interface sends a call signal to the elevator main control through the first call signal connection pin K1 and the second call signal connection pin K2 which are connected with the bus interface, and the conversion interface receives an indicator light driving signal from the elevator main control through the first indicator light driving signal connection pin L1 and the second indicator light driving signal connection pin L2 which are connected with the bus interface; the rectification circuit is further used for being electrically connected with the elevator button to generate a call signal, transmitting the call signal to a first call signal connection pin K1 and a second call signal connection pin K2 of the conversion interface, receiving the indication lamp driving signal from a first indication lamp driving signal connection pin L1 and a second indication lamp driving signal connection pin L2 of the conversion interface, and transmitting the indication lamp driving signal which is arranged into a fixed polarity to the elevator button to enable an indication lamp of the elevator button to be lighted.
Optionally, the rectifying circuit includes a first bridge rectifying circuit for generating the call signal and a second bridge rectifying circuit for delivering the indicator light driving signal; the conversion interface comprises a first connection pin, a second connection pin, a third connection pin, a fourth connection pin, a fifth connection pin, a sixth connection pin, a seventh connection pin and an eighth connection pin; the first connection pin and the fifth connection pin are the first indicator lamp driving signal connection pin L1 and are connected with the second bridge rectifier circuit, the second connection pin and the sixth connection pin are the first indicator lamp driving signal connection pin K1 and are connected with the first bridge rectifier circuit, the third connection pin and the eighth connection pin are the second indicator lamp driving signal connection pin K2 and are connected with the first bridge rectifier circuit, and the fourth connection pin and the seventh connection pin are the second indicator lamp driving signal connection pin L2 and are connected with the second bridge rectifier circuit.
Optionally, the first bridge rectifier circuit includes a first diode and a second diode connected in series in a forward direction, where the second connection pin and the sixth connection pin are both connected with a first connection end between a cathode of the first diode and an anode of the second diode; the first bridge rectifier circuit further comprises a third diode and a fourth diode which are connected in series in the forward direction, and the third connecting pin and the eighth connecting pin are connected with a second connecting end between the negative electrode of the third diode and the positive electrode of the fourth diode; the first bridge rectifier circuit further comprises a third connecting end formed by connecting the cathode of the second diode with the cathode of the fourth diode, and a fourth connecting end formed by connecting the anode of the first diode with the anode of the third diode.
Optionally, the second bridge rectifier circuit includes a fifth diode and a sixth diode connected in series in a forward direction, where the first connection pin and the fifth connection pin are both connected with a fifth connection end between a negative electrode of the fifth diode and a positive electrode of the sixth diode; the second bridge rectifier circuit further comprises a seventh diode and an eighth diode which are connected in series in the forward direction, and the fourth connecting pin and the seventh connecting pin are connected with a sixth connecting end between the negative electrode of the seventh diode and the positive electrode of the eighth diode; the second bridge rectifier circuit further comprises a seventh connecting end formed by connecting the cathode of the sixth diode with the cathode of the eighth diode, and an eighth connecting end formed by connecting the anode of the fifth diode with the anode of the seventh diode.
Optionally, the third connection end of the first bridge rectifier circuit is connected with the first switch connection end of the switch circuit of the elevator button, and the fourth connection end of the first bridge rectifier circuit is connected with the second switch connection end of the switch circuit of the elevator button; when the switch circuit of the elevator button senses that a person calls, the voltage difference between the first switch connecting end and the second switch connecting end is close to zero, so that the voltage difference between the third connecting end and the fourth connecting end of the first bridge rectifier circuit connected with the switch circuit is also close to zero, and the voltage difference serving as the call signal is generated between the first connecting end and the second connecting end.
Optionally, the seventh connection end of the second bridge rectifier circuit is connected with the positive connection end of the indication lamp circuit indication lamp of the elevator button, and the eighth connection end of the second bridge rectifier circuit is connected with the negative connection end of the indication lamp circuit indication lamp of the elevator button; the second bridge rectifier circuit outputs the indicator light driving signal with fixed polarity to the indicator light circuit of the elevator button through the seventh connecting end and the eighth connecting end, and generates a voltage difference used for driving the indicator light to light between the positive electrode connecting end and the negative electrode connecting end of the indicator light of the elevator button.
Optionally, the elevator button wiring device comprises a connection port, the connection port is arranged between the rectification circuit and the elevator button, the connection port comprises a first switch connection pin, a second switch connection pin, an indication lamp positive electrode connection pin and an indication lamp negative electrode connection pin, the rectification circuit is electrically connected with the elevator button through the first switch connection pin and the second switch connection pin of the connection port so as to generate a call signal, and the rectification circuit is further electrically connected with the elevator button through the indication lamp positive electrode connection pin and the indication lamp negative electrode connection pin of the connection port so as to transmit the indication lamp driving signal with fixed polarity to the elevator button.
Optionally, the connection pins of the conversion interface are arranged in the following order: l1, K2, L1, K1, L2, K2; the configured line sequence comprises: first kind: l1, K2, L2; second kind: k1, K2, L1; the third L1, L2, K1; fourth kind: k2, L2, L1, K1; fifth: l1, K1, L2, K2; sixth: k2, L2, K1, L1.
Optionally, the connection pins of the conversion interface are arranged in the following order: k1, L1, L2, K1, L1, K2, L2; the configured line sequence comprises: first kind: k1, L1, L2, K2; second kind: l1, L2, K1; a third K1, K2, L1; fourth kind: l2, K1, L1; fifth: k1, L1, K2, L2; sixth: l2, K2, L1, K1.
The invention also provides an elevator button assembly comprising an elevator button and an elevator button wiring device as described above; the elevator button is electrically connected with the rectifying circuit of the elevator button wiring device, and is used for generating a voltage difference used for generating a call signal, and the generated call signal is transmitted to an elevator main control through the elevator button wiring device; the elevator button is also used for receiving an indicator lamp driving signal generated by the elevator main control through the elevator button wiring device so as to light an indicator lamp of the elevator button.
According to the elevator button wiring device and the elevator button assembly, through the conversion interface and the rectifying circuit of the elevator button wiring device, the positive and negative polarities of all signal pins of the elevator main control wiring interface can be not distinguished when the elevator main control wiring interface is connected, and four adjacent connection pins with the same pin arrangement sequence can be found in the conversion interface, so that the elevator main control and the elevator button can accurately complete interaction of a call signal and an indicator lamp driving signal, misconnection of the positive and negative polarities of the signal pins is avoided, and the arrangement sequence of the signal pins of the elevator main control wiring interface with different types can be adapted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic circuit diagram of an embodiment of an elevator button wiring device of the present invention;
fig. 2 is a schematic diagram of a signal line sequence of a conventional elevator main control bus interface;
fig. 3 is a schematic diagram of the arrangement sequence of the connection pins of the conversion interface and the corresponding signal line sequence of the elevator main control bus interface according to an embodiment of the elevator button wiring device of the present invention;
fig. 4 is a schematic diagram of the arrangement of connection pins of a switching interface and the corresponding signal line sequence of an elevator master control bus interface according to another embodiment of the elevator button wiring device of the present invention;
fig. 5 is a block diagram of an embodiment of an elevator button assembly of the present invention.
Detailed Description
The foregoing and other features, aspects, and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments, which proceeds with reference to the accompanying drawings. While the invention may be susceptible to further details of technical means and effects for achieving the desired purpose, there is shown in the drawings a form a further part hereof, and in which is shown by way of illustration and not by way of limitation, certain well-known elements of the invention. Like elements are denoted by like reference numerals throughout the various figures. For purposes of clarity, the various elements in the drawings are not necessarily drawn to scale.
Fig. 1 is a schematic circuit diagram of an embodiment of an elevator button wiring device according to the present invention, wherein the elevator button wiring device includes a conversion interface 110 and a rectifying circuit 120 electrically connected to the conversion interface 110.
The conversion interface 110 includes at least one first call signal connection pin K1, at least one second call signal connection pin K2, at least one first indicator light driving signal connection pin L1, and at least one second indicator light driving signal connection pin L2 arranged in a certain order such that the conversion interface 110 is matingly connected with the bus bar interface 200 of the elevator master, the conversion interface 110 transmits a call signal to the elevator master through the first call signal connection pin K1 and the second call signal connection pin K2 connected with the bus bar interface 200, and the conversion interface 110 also receives an indicator light driving signal from the elevator master through the first indicator light driving signal connection pin L1 and the second indicator light driving signal connection pin L2 connected with the bus bar interface 200.
The rectifying circuit 120 is electrically connected to the elevator button to generate a call signal, and transmits the call signal to the first call signal connection pin K1 and the second call signal connection pin K2 of the conversion interface 110, and receives the indicator driving signal from the first indicator driving signal connection pin L1 and the second indicator driving signal connection pin L2 of the conversion interface 110, and arranges the indicator driving signal into an indicator driving signal with a fixed polarity, and transmits the indicator driving signal to the elevator button, so that the indicator of the elevator button is turned on.
It should be noted that, in the embodiment, the bus interface 200 of the elevator main control electrically connected to the switching interface 110 of the elevator button wiring device shown in fig. 1 has four signal wires communicating with the elevator button, and is arranged in a certain order to form a bus interface capable of being directly plugged, and includes two first indicator lamp driving signal pins LED1 and second indicator lamp driving signal pins LED2 with opposite positive and negative polarities, and a first call signal pin k1 and a second call signal pin k2.
In one embodiment, the switching interface of the elevator button wiring device may include four connection pins arranged in a sequence such that the elevator master control bus interface shown at 200 in fig. 1 may be plugged corresponding to the switching interface of the elevator button wiring device. Specifically, the pin arrangement sequence of the elevator master control bus interface shown as 200 in fig. 1 is: LED1, LED2, k1, k2; correspondingly, the first connection pin of the conversion interface may be a first indicator driving signal connection pin L1, the second connection pin may be a second indicator driving signal connection pin L2, the third connection pin may be a first call signal connection pin K1, and the fourth connection pin may be a second call signal connection pin K2.
In one embodiment, the rectifying circuit 120 includes a first bridge rectifying circuit 121 and a second bridge rectifying circuit 122. The conversion interface 110 includes a first connection pin, a second connection pin, a third connection pin, a fourth connection pin, a fifth connection pin, a sixth connection pin, a seventh connection pin, and an eighth connection pin. The first connection pin and the fifth connection pin are both first indicator lamp driving signal connection pins L1 and are connected with the second bridge rectifier circuit in parallel, the second connection pin and the sixth connection pin are both first call signal connection pins K1 and are connected with the first bridge rectifier circuit in parallel, the third connection pin and the eighth connection pin are both second call signal connection pins K2 and are connected with the first bridge rectifier circuit in parallel, the fourth connection pin and the seventh connection pin are both second indicator lamp driving signal connection pins L2 and are connected with the second bridge rectifier circuit in parallel, and therefore four continuous connection pins exist on the conversion interface 110 to be correspondingly plugged with signal pins of the bus interface 200 controlled by an elevator. It should be noted that, the positions of the eight connection pins in the conversion interface 110 and the positions of the four signal pins of the elevator master control 200 are not limited in the embodiment of the present invention.
In an embodiment, the first diode D1 and the second diode D2 of the first bridge rectifier circuit 121 are connected in series in the forward direction, and the junction thereof is used as the first connection terminal A1 of the first bridge rectifier circuit 121 and is connected to the first call signal connection pin K1 of the conversion interface 110; the third diode D3 and the fourth diode D4 are connected in series in the forward direction, and the junction of the third diode D3 and the fourth diode D4 is used as a second connection end A2 of the first bridge rectifier circuit 121 and is connected with a second call signal connection pin K2 in the conversion interface 110; connecting the cathode of the second diode D2 and the cathode of the fourth diode D4 together as a third connection terminal A3 of the first bridge rectifier circuit 121; the anode of the first diode D1 and the anode of the third diode D3 are connected together as a fourth connection terminal A4 of the first bridge rectifier circuit 121.
In an embodiment, the fifth diode D5 and the sixth diode D6 of the second bridge rectifier circuit 122 are connected in series in the forward direction, and the connection point is used as the fifth connection end A5 of the second bridge rectifier circuit 122 and is connected to the first indicator driving signal connection pin L1 of the conversion interface 110; the seventh diode D7 and the eighth diode D8 are connected in series in the forward direction, and the connection point of the seventh diode D7 and the eighth diode D8 is used as a sixth connection end A6 of the second bridge rectifier circuit 122 and is connected with a second indicator lamp driving signal connection pin L2 in the conversion interface 110; the cathode of the sixth diode D6 and the cathode of the eighth diode D8 are connected together as the seventh connection terminal A7 of the second bridge rectifier circuit 122, and the anode of the fifth diode D5 and the anode of the seventh diode D7 are connected together as the eighth connection terminal A8 of the second bridge rectifier circuit 122.
In one embodiment, the third connection terminal A3 and the fourth connection terminal A4 of the first bridge rectifier circuit 121 are respectively connected to the switch circuit of the elevator button. As shown at 300 in fig. 1, the elevator button includes a switching circuit for responding to an external call, the switching circuit includes a first switching connection terminal k_1 and a second switching connection terminal k_2, a third connection terminal A3 is connected to the first switching connection terminal k_1 of the elevator button switching circuit, and a fourth connection terminal A4 is connected to the second switching connection terminal k_2 of the elevator button switching circuit.
In one embodiment, the seventh connection terminal A7 and the eighth connection terminal A8 of the second bridge rectifier circuit 122 are respectively connected to the indicator light circuit of the elevator button. As shown at 300 in fig. 1, the elevator button further comprises an indicator light circuit for driving the indicator light to light, the indicator light circuit comprises an indicator light positive electrode connecting end led+ and an indicator light negative electrode connecting end led-, the seventh connecting end A7 is connected with the indicator light positive electrode connecting end led+ of the elevator button indicator light circuit, and the eighth connecting end A8 is connected with the indicator light negative electrode connecting end led of the elevator button indicator light circuit.
It should be noted that, the switch circuit and the indicator light circuit of the elevator button shown as 300 in fig. 1 are only used as examples, and specific circuits the embodiments of the present invention are not described in detail, and the circuits shown in the embodiments do not limit the elevator button.
In an embodiment, the elevator button connection device includes a connection port disposed between the rectifying circuit 120 and the elevator button, as shown by 131 in fig. 1, the connection port 131 includes a first switch connection pin k_1, a second switch connection pin k_2, an indicator positive connection pin led+ and an indicator negative connection pin LED-, one end of the first switch connection pin k_1 of the connection port 131 is connected with the third connection terminal A3 of the rectifying circuit 120, the other end is connected with the first switch connection terminal k_1 of the elevator button switch circuit, one end of the second switch connection pin k_2 of the connection port 131 is connected with the fourth connection terminal A4 of the rectifying circuit 120, the other end is connected with the second switch connection terminal k_2 of the elevator button switch circuit, the indicator positive connection pin led+ of the connection port 131 is connected with the seventh connection terminal A7 of the rectifying circuit 120, the other end is connected with the indicator positive connection terminal led+ of the elevator button, and the indicator negative connection pin LED-one end of the connection port 131 is connected with the eighth connection terminal A8 of the rectifying circuit 120, and the indicator negative connection LED-negative connection terminal LED of the elevator button is connected with the indicator negative connection terminal LED. In other embodiments, if the elevator button requires external power, the connection port may also be provided in the form of a 24V power line and GND ground line, as shown at 132 in fig. 1, through which the elevator button is powered. It should be noted that, the four or six pins of the connection port described in the present embodiment and illustrated in fig. 1 are only used as examples, and the arrangement order of the connection pins and the number of pins are not limited.
Specifically, when the switching circuit of the elevator button does not sense a person call, a voltage difference of 8-24V is formed between the first switch connection terminal k_1 and the second switch connection terminal k_2 of the switching circuit. After the switch circuit of the elevator button senses that a person calls, a state similar to a short circuit is formed between a first switch connecting end k_1 and a second switch connecting end k_2 of the switch circuit, the voltage difference between the first switch connecting end k_1 and the second switch connecting end k_2 is close to zero, the voltage difference between a third connecting end A3 and a fourth connecting end A4 connected with the switch circuit is close to zero, and the voltage difference between the first connecting end A1 and the second connecting end A2 is close to zero, so that a call signal is generated, and the call signal is transmitted to a bus interface 200 of an elevator master control through a first call signal connecting pin K1 and a second call signal connecting pin K2 of a conversion interface 110, and then transmitted to the elevator master control. Then, the elevator master control transmits the indicator light driving signal to the first indicator light driving signal connection pin L1 and the second indicator light driving signal connection pin L2 of the conversion interface 110 through the flat cable interface 200, controls the conduction of the sixth diode D6 and the seventh diode D7 or the conduction of the fifth diode D5 and the eighth diode D8 in the second bridge rectifier circuit 122, so that the seventh connection end A7 always outputs a high level, and the eighth connection end A8 always outputs a low level, thereby forming a voltage difference with a fixed polarity between the positive electrode connection end led+ and the negative electrode connection end led-of the indicator light connected with the seventh connection end A7 and the eighth connection end A8, and driving the indicator light to light.
The elevator button wiring device provided by the invention has the advantages that through the conversion interface and the rectifying circuit, the positive and negative polarities of all signal pins are not required to be distinguished when the wiring interface of the elevator main control is connected, the false connection of the positive and negative poles is avoided, and the wiring interface of the elevator main control can find out the connection of four adjacent connection pins with the same pin arrangement sequence in the conversion interface, so that the elevator main control and the elevator button can correctly complete the interaction of call signals and indicator lamp driving signals.
In the prior art, elevators of different types have different arrangement line-sequence elevator main control bus interfaces, fig. 2 shows a line-sequence schematic diagram of a bus interface of one of the existing elevator main controls, such as the bus interface formed by four signal lines for elevator main control and elevator button communication shown in fig. 2, two positive and negative indicator light driving signal lines are adjacent, and two call signal lines are adjacent. Other different elevator main control and other arrangement sequences are provided, because the elevator button wiring device provided by the invention can ensure that the positive and negative polarities of signal pins are not needed to be considered when the bus interface of the elevator main control is connected, the polarities of signal pins are not distinguished, L is used for representing the signal pins of the indicator light, K is used for representing the signal pins of the call, and the arrangement sequence of the signal pins of the bus interface of the elevator main control comprises: first L, L, K, K; a second type L, K, L, K; third L, K, K, L; fourth K, L, L, K; fifth K, K, L, L; sixth K, L, K, L.
In one embodiment, fig. 3 is a schematic diagram showing the arrangement sequence of the connection pins of the conversion interface and the corresponding signal line sequence of the elevator main control bus interface according to one embodiment of the elevator button wiring device of the present invention. The preset arrangement sequence of the eight connection pins of the conversion interface shown in fig. 3 is as follows: l1, K2, L1, K1, L2, K2. Six wire orders can be configured to adapt to the signal wire orders of the elevator main control bus interface on the market by selecting four adjacent connection pins at different positions, and the method comprises the following steps: first kind: l1, K2, L2; second kind: k1, K2, L1; the third L1, L2, K1; fourth kind: k2, L2, L1, K1; fifth: l1, K1, L2, K2; sixth: k2, L2, K1, L1.
For example, when the arrangement order of the signal pins of the elevator main control bus interface is L, L, K, K, the pins of the third line sequence L1, L2, K1 are correspondingly selected to be correspondingly plugged; when the arrangement sequence of the signal pins of the elevator main control bus interface is L, K, L, K, correspondingly selecting the pins of the fifth line sequence as described above for corresponding plugging; when the arrangement sequence of the signal pins of the elevator main control bus interface is L, K, K, L, correspondingly selecting the pins of the first line sequence as described above for corresponding plugging; when the arrangement sequence of the signal pins of the elevator main control bus interface is K, L, L, K, correspondingly selecting the pins of the fourth line sequence to be correspondingly spliced; when the arrangement sequence of the signal pins of the elevator main control bus interface is K, K, L, L, correspondingly selecting the pins of the second line sequence as described above for corresponding plugging; when the arrangement sequence of the signal pins of the elevator main control bus interface is K, L, K, L, the pins of the sixth line sequence are correspondingly selected for being correspondingly spliced. Therefore, the eight connection pins arranged on the conversion interface of the elevator button wiring device are arranged according to the set sequence, so that the corresponding adjacent four connection pins can be selected to be connected according to the arrangement sequence of the signal pins of the connection interface of the elevator main control when the connection interface is connected, the communication between the elevator main control and the elevator button is realized, and the elevator button wiring device can be further adapted to the elevator main control with different wire sequences.
In one embodiment, fig. 4 also shows a schematic diagram of the arrangement sequence of the connection pins of the conversion interface and the corresponding signal line sequence of the elevator main control bus interface according to another embodiment of the elevator button wiring device of the present invention. The preset arrangement sequence of the eight connection pins of the conversion interface shown in fig. 4 is as follows: k1, L1, L2, K1, L1, K2, L2. The configured line sequence comprises: first kind: k1, L1, L2, K2; second kind: l1, L2, K1; a third K1, K2, L1; fourth kind: l2, K1, L1; fifth: k1, L1, K2, L2; sixth: l2, K2, L1, K1.
For example, when the arrangement order of the signal pins of the elevator main control bus interface is L, L, K, K, the pins of the second wire orders L1, L2, K1 are correspondingly selected to be plugged; when the arrangement sequence of the signal pins of the elevator main control bus interface is L, K, L, K, correspondingly selecting pins of the sixth line sequence as described above for corresponding plugging; when the arrangement sequence of the signal pins of the elevator main control bus interface is L, K, K, L, correspondingly selecting the pins of the fourth line sequence to be correspondingly spliced; when the arrangement sequence of the signal pins of the elevator main control bus interface is K, L, L, K, correspondingly selecting the pins of the first line sequence as described above for corresponding plugging; when the arrangement sequence of the signal pins of the elevator main control bus interface is K, K, L, L, correspondingly selecting the pins of the third line sequence as described above for corresponding plugging; when the arrangement sequence of the signal pins of the elevator main control bus interface is K, L, K, L, the pins of the fifth line sequence are correspondingly inserted. Therefore, the eight connection pins arranged on the conversion interface of the elevator button wiring device are arranged according to the set sequence, so that the corresponding adjacent four connection pins can be selected to be connected according to the arrangement sequence of the signal pins of the connection interface of the elevator main control when the connection interface is connected, the communication between the elevator main control and the elevator button is realized, and the elevator button wiring device can be further adapted to the elevator main control with different wire sequences.
Fig. 5 is a block diagram illustrating an embodiment of an elevator button assembly of the present invention. The elevator button assembly includes an elevator button 300 and an elevator button wiring device 100 as described above; the elevator button 300 is electrically connected with the rectifying circuit of the elevator button wiring device 100, and the elevator button 300 is used for generating a voltage difference used for generating a call signal, and transmitting the formed call signal to an elevator main control through the elevator button wiring device 100; the elevator button 300 is also used for receiving an indication lamp driving signal of an elevator main control through the elevator button wiring device 100, so that an indication lamp of the elevator button is lightened.
The elevator button assembly and the bus interface of the elevator main control can be connected without distinguishing the positive and negative polarities of the signal pins of the bus interface, and can adapt to the arrangement sequence of the signal pins of the bus interface of the elevator main control of different types.
It is to be understood that the terms "first," "second," "third," "fourth," and the like are merely used to distinguish between similar elements or circuits and do not indicate or imply relative importance or a particular order. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements does not include only those elements but may include other elements not expressly listed.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.

Claims (10)

1. The elevator button wiring device is characterized by comprising a conversion interface and a rectifying circuit electrically connected with the conversion interface;
the conversion interface comprises at least one first call signal connection pin K1, at least one second call signal connection pin K2, at least one first indicator light driving signal connection pin L1 and at least one second indicator light driving signal connection pin L2 which are arranged in a certain sequence, so that the conversion interface is in matched connection with a bus interface of an elevator main control, the conversion interface sends a call signal to the elevator main control through the first call signal connection pin K1 and the second call signal connection pin K2 which are connected with the bus interface, and the conversion interface receives an indicator light driving signal from the elevator main control through the first indicator light driving signal connection pin L1 and the second indicator light driving signal connection pin L2 which are connected with the bus interface;
the rectification circuit is further used for being electrically connected with the elevator button to generate a call signal, transmitting the call signal to a first call signal connection pin K1 and a second call signal connection pin K2 of the conversion interface, receiving the indication lamp driving signal from a first indication lamp driving signal connection pin L1 and a second indication lamp driving signal connection pin L2 of the conversion interface, and transmitting the indication lamp driving signal which is arranged into a fixed polarity to the elevator button to enable an indication lamp of the elevator button to be lighted.
2. The elevator button wiring device of claim 1, wherein the rectifying circuit comprises a first bridge rectifying circuit for generating the call signal and a second bridge rectifying circuit for delivering the indicator light drive signal; the conversion interface comprises a first connection pin, a second connection pin, a third connection pin, a fourth connection pin, a fifth connection pin, a sixth connection pin, a seventh connection pin and an eighth connection pin; the first connection pin and the fifth connection pin are the first indicator lamp driving signal connection pin L1 and are connected with the second bridge rectifier circuit, the second connection pin and the sixth connection pin are the first indicator lamp driving signal connection pin K1 and are connected with the first bridge rectifier circuit, the third connection pin and the eighth connection pin are the second indicator lamp driving signal connection pin K2 and are connected with the first bridge rectifier circuit, and the fourth connection pin and the seventh connection pin are the second indicator lamp driving signal connection pin L2 and are connected with the second bridge rectifier circuit.
3. The elevator button wiring device of claim 2, wherein the first bridge rectifier circuit comprises a first diode and a second diode connected in series in a forward direction, the second connection pin and the sixth connection pin both being connected to a first connection terminal between a negative pole of the first diode and a positive pole of the second diode; the first bridge rectifier circuit further comprises a third diode and a fourth diode which are connected in series in the forward direction, and the third connecting pin and the eighth connecting pin are connected with a second connecting end between the negative electrode of the third diode and the positive electrode of the fourth diode; the first bridge rectifier circuit further comprises a third connecting end formed by connecting the cathode of the second diode with the cathode of the fourth diode, and a fourth connecting end formed by connecting the anode of the first diode with the anode of the third diode.
4. The elevator button wiring device of claim 2, wherein the second bridge rectifier circuit comprises a fifth diode and a sixth diode connected in series in a forward direction, the first connection pin and the fifth connection pin both being connected with a fifth connection terminal between a negative pole of the fifth diode and a positive pole of the sixth diode; the second bridge rectifier circuit further comprises a seventh diode and an eighth diode which are connected in series in the forward direction, and the fourth connecting pin and the seventh connecting pin are connected with a sixth connecting end between the negative electrode of the seventh diode and the positive electrode of the eighth diode; the second bridge rectifier circuit further comprises a seventh connecting end formed by connecting the cathode of the sixth diode with the cathode of the eighth diode, and an eighth connecting end formed by connecting the anode of the fifth diode with the anode of the seventh diode.
5. The elevator button wiring device of claim 3, wherein the third connection terminal of the first bridge rectifier circuit is connected to the first switch connection terminal of the switch circuit of the elevator button, and the fourth connection terminal of the first bridge rectifier circuit is connected to the second switch connection terminal of the switch circuit of the elevator button; when the switch circuit of the elevator button senses that a person calls, the voltage difference between the first switch connecting end and the second switch connecting end is close to zero, so that the voltage difference between the third connecting end and the fourth connecting end of the first bridge rectifier circuit connected with the switch circuit is also close to zero, and the voltage difference serving as the call signal is generated between the first connecting end and the second connecting end.
6. The elevator button wiring device of claim 4, wherein a seventh connection terminal of the second bridge rectifier circuit is connected to an indicator light circuit indicator light positive connection terminal of the elevator button, and an eighth connection terminal of the second bridge rectifier circuit is connected to an indicator light circuit indicator light negative connection terminal of the elevator button; the second bridge rectifier circuit outputs the indicator light driving signal with fixed polarity to the indicator light circuit of the elevator button through the seventh connecting end and the eighth connecting end, and generates a voltage difference used for driving the indicator light to light between the positive electrode connecting end and the negative electrode connecting end of the indicator light of the elevator button.
7. The elevator button wiring device of claim 1, comprising a connection port disposed between the rectifier circuit and the elevator button, the connection port comprising a first switch connection pin, a second switch connection pin, an indicator positive connection pin, and an indicator negative connection pin, the rectifier circuit being electrically connected to the elevator button through the first switch connection pin and the second switch connection pin of the connection port to generate a call signal, the rectifier circuit being further electrically connected to the elevator button through the indicator positive connection pin and the indicator negative connection pin of the connection port to transmit the indicator driving signal of the fixed polarity to the elevator button.
8. The elevator button wiring device of claim 2, wherein the connection pins of the conversion interface are arranged in the order: l1, K2, L1, K1, L2, K2; the configured line sequence comprises: first kind: l1, K2, L2; second kind: k1, K2, L1; the third L1, L2, K1; fourth kind: k2, L2, L1, K1; fifth: l1, K1, L2, K2; sixth: k2, L2, K1, L1.
9. The elevator button wiring device of claim 2, wherein the connection pins of the conversion interface are arranged in the order: k1, L1, L2, K1, L1, K2, L2; the configured line sequence comprises: first kind: k1, L1, L2, K2; second kind: l1, L2, K1; a third K1, K2, L1; fourth kind: l2, K1, L1; fifth: k1, L1, K2, L2; sixth: l2, K2, L1, K1.
10. An elevator button assembly comprising an elevator button and an elevator button wiring device as defined in any one of claims 1 to 9;
the elevator button is electrically connected with the rectifying circuit of the elevator button wiring device, and is used for generating a voltage difference used for generating a call signal, and the generated call signal is transmitted to an elevator main control through the elevator button wiring device; the elevator button is also used for receiving the indication lamp driving signal of the elevator main control through the elevator button wiring device so as to enable the indication lamp of the elevator button to be lighted.
CN202310145677.3A 2023-02-06 2023-02-06 Elevator button termination and elevator button subassembly Pending CN116190135A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310145677.3A CN116190135A (en) 2023-02-06 2023-02-06 Elevator button termination and elevator button subassembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310145677.3A CN116190135A (en) 2023-02-06 2023-02-06 Elevator button termination and elevator button subassembly

Publications (1)

Publication Number Publication Date
CN116190135A true CN116190135A (en) 2023-05-30

Family

ID=86451972

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310145677.3A Pending CN116190135A (en) 2023-02-06 2023-02-06 Elevator button termination and elevator button subassembly

Country Status (1)

Country Link
CN (1) CN116190135A (en)

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