CN217008338U - Calling device - Google Patents

Abstract

The utility model discloses a calling device, relating to the field of industrial equipment, wherein the calling device comprises: a control module; the pull rope switch comprises a pull rope and a switch which are connected, and the switch is connected with the control module; the wireless communication module is respectively in communication connection with the central scheduling system and the control module; when the pull rope is pulled down and the end point of the switch is triggered to be closed, the control module detects an end point closing signal triggered by the switch, and after receiving the end point closing signal, the control module sends a control signal to the wireless communication module; and after receiving the control signal, the wireless communication module sends a calling signal to a central dispatching system. The wireless central dispatching system can be conveniently installed on a production line, particularly the production line with limited line side space, is convenient for a user to operate, and is connected with the central dispatching system in a wireless mode, and the installation is convenient.

Description

Calling device

Technical Field

The utility model relates to the field of industrial equipment, in particular to a calling device.

Background

The calling device plays an important role in industrial production, and when an abnormal condition occurs in a production line, a production line worker can call the central system through the calling device. In the prior art, for some production lines with limited line side space, a calling device is inconvenient for a user to operate, and the calling device calls a central dispatching system to lay a line, so that the installation is troublesome and the cost is high.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a calling device which can be conveniently installed on a production line, particularly a production line with limited line side space, is convenient for a user to operate and can wirelessly call a central dispatching system.

A calling device according to an embodiment of a first aspect of the present invention includes:

a control module;

the pull rope switch comprises a pull rope and a switch which are connected, and the switch is connected with the control module;

the wireless communication module is respectively in communication connection with the central scheduling system and the control module;

when the pull rope is pulled down and the end point of the switch is triggered to be closed, the control module detects an end point closing signal triggered by the switch, and after receiving the end point closing signal, the control module sends a control signal to the wireless communication module; and after receiving the control signal, the wireless communication module sends a calling signal to a central dispatching system.

The calling device provided by the embodiment of the utility model at least has the following beneficial effects: when a user controls the pull switch to be switched on, the control module receives the instruction and sends the corresponding instruction to the wireless communication module, the wireless communication module executes the instruction to call the central dispatching system, and the central dispatching system can know the condition of the production equipment corresponding to the calling device. The device adopts the pull rope to carry out user interaction, thereby saving the operation space and avoiding the problem that the calling device is not easy to install and work due to the production line with limited line edge space; the wireless communication module is adopted, so that the central dispatching system can be called wirelessly.

According to some embodiments of the utility model, the calling device further comprises:

the prompting module is used for calling and prompting; and two ends of the prompt module are respectively connected with the pull switch module and the control module.

According to some embodiments of the utility model, the prompting module comprises at least one of: alarm lamp, speaker.

According to some embodiments of the utility model, the wireless communication module is a 433MHz wireless communication module.

According to some embodiments of the utility model, the pull-cord switch further comprises: a first resistor; one end of the first resistor is connected with the control module, and the other end of the first resistor is connected with the switch.

According to some embodiments of the utility model, the calling device further comprises: and the base electrode of the triode is connected with the control module, and the collector electrode of the triode is connected with the prompting module.

According to some embodiments of the utility model, the calling device further comprises: one end of the second resistor is connected with a power supply, and the other end of the second resistor is connected with a collector of the triode;

one end of the third resistor is connected with a power supply, and the other end of the third resistor is connected with the base electrode of the triode;

one end of the first capacitor is connected with the base electrode of the triode, and the other end of the first capacitor is connected with the control module;

and one end of the second capacitor is connected with the collector of the triode, and the other end of the second capacitor is connected with the prompt module.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The accompanying drawings are included to provide a further understanding of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the example serve to explain the principles of the utility model and do not constitute a limitation thereof.

Fig. 1 is a block diagram of a calling device according to an embodiment of the present invention;

fig. 2 is a circuit diagram of a calling device according to another embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

As shown in fig. 1 and 2, a calling device includes:

a pull-cord switch 1;

the control module 2 is connected with the pull-cord switch 1;

the wireless communication module 3 is respectively in communication connection with the central dispatching system and the control module 2;

when the rope 11 is pulled down and the end point of the trigger switch 12 is closed, the control module 2 detects an end point closing signal triggered by the switch 12, and after receiving the end point closing signal, the control module 2 sends a control signal to the wireless communication module 3; and after receiving the control signal, the wireless communication module 3 sends a calling signal to the central dispatching system.

The prompting module 4 is used for calling and prompting; two ends of the prompting module 4 are respectively connected with the pull-cord switch 1 and the control module 2;

wherein, stay switch 1 includes: a pull cord 11; a switch 12 connected to the pull cord 11; the switch 12 comprises an input interface, which is connected to the control module 2.

The pull cord 11 may be a mechanical unit having a cord, and may have an effect of pulling the cord to close the switch 12.

In one embodiment, the prompting module 4 includes at least one of: an alarm lamp D1 for realizing visual call prompt; a loudspeaker BL for realizing the auditory calling prompt; in the case of a plurality of calling devices, the prompting module 4 is able to confirm the location of the call;

the calling device work implementation flow is as follows: when the user executes the pull rope module 1, the control module 2 learns the instruction that the user needs to make a call. The control module 2 sends the calling instruction to the wireless communication module 3, the wireless communication module 3 transmits the calling signal to the central dispatching system, the central dispatching system knows the condition of the production equipment corresponding to the calling device, calling is achieved, and the central dispatching system adjusts the production equipment according to the actual condition. And still set up suggestion module 4, be connected with control module 2, control module 2 sends the start instruction to suggestion module 4 after learning the instruction that the user need carry out the call, and alarm lamp and/or speaker start play obvious suggestion effect.

In an embodiment, the wireless communication module 3 is a 433MHz wireless communication module, which reduces the cost and increases the scalability.

As shown in fig. 2, in one embodiment, the switch 12 further comprises: a first resistor R1; one end of the first resistor R1 is connected to the control module 2, and the other end of the first resistor R1 is connected to the switch 12.

The pull rope 11 triggers the switch 12 to close the switch 12; the switch 12 inputs a low level to the control module 2 through a first resistor R1; the control module 2 detects that the input interface inputs low level and sends a first control signal to the wireless communication module 3; the wireless communication module 3 receives the first control signal and transmits a first call signal to the central wireless dispatch system.

As shown in fig. 2, in an embodiment, the prompting module 4 includes at least one of the following: a loudspeaker BL and an alarm lamp D1; the calling device further includes: and a triode Q1, wherein the base of the triode Q1 is connected with the control module 2, and the collector of the triode Q1 is connected with the prompting module 4.

The pull cord 11 activates the switch 12 to close the switch 12; the switch 12 inputs a low level to the control module 2 through the first resistor R1; the control module 2 detects that the input interface inputs low level and sends a second control signal to the prompt module 4; the prompting module 4 receives the second control signal, amplifies the second control signal by using the triode Q1 and sends the second control signal to the alarm lamp D1 and the loudspeaker BL, and the alarm lamp D1 and the loudspeaker BL are started, so that an obvious prompting function is realized, production equipment corresponding to the calling signal is confirmed, and the prompting module is particularly suitable for the condition that a plurality of calling devices call simultaneously;

wherein, calling device still includes: one end of the second resistor R2 is connected with a power supply, the other end of the second resistor R2 is connected with the collector of the triode Q1, and the second resistor R2 is a collector resistor of the triode Q1 and is used for converting current amplification into voltage amplification; one end of the third resistor R3 is connected with the power supply, the other end is connected with the base electrode of the triode Q1, and the third resistor R3 is a base electrode resistor of the triode Q1 and is used for adjusting the base electrode current; one end of the first capacitor C1 is connected with the base electrode of the triode Q1, and the other end of the first capacitor C1 is connected with the control module 2 and used for cutting off a direct current path between the triode Q1 and the control module 2; and one end of the second capacitor C2 is connected with the collector of the triode Q1, and the other end of the second capacitor C2 is connected with the prompting module 4 and used for cutting off a direct current path between the triode Q1 and the alarm lamp D1 and the loudspeaker BL.

It should be noted that, the signal received from the control module 2 in the prompt module 4 is amplified by using an operational amplifier instead of a triode, which is not limited in the present invention.

It is easy to understand that the transmission and reception of the first control signal and the second control signal may be simultaneous, or may not be simultaneous or have a delay.

Embodiments of this invention are described herein, including the preferred embodiments known to the skilled artisan for carrying out the utility model. Variations of those described embodiments may become apparent to those of ordinary skill in the art upon reading the foregoing description. The skilled person will appreciate that such variations are optional and that the person is intended to practice embodiments of the utility model in ways other than as specifically described herein. Accordingly, the scope of the present invention includes all modifications and equivalents of the subject matter recited in the claims appended hereto as permitted by applicable law. Moreover, any combination of the above-described elements in all possible variations thereof is encompassed by the scope of the utility model unless otherwise indicated herein or otherwise clearly contradicted by context.

Claims (7)

1. A calling device, comprising:

a control module;

the pull rope switch comprises a pull rope and a switch which are connected, and the switch is connected with the control module;

the wireless communication module is respectively in communication connection with the central scheduling system and the control module;

when the pull rope is pulled down and the end point of the switch is triggered to be closed, the control module detects an end point closing signal triggered by the switch, and after receiving the end point closing signal, the control module sends a control signal to the wireless communication module; and after receiving the control signal, the wireless communication module sends a calling signal to a central dispatching system.

2. The calling device of claim 1, further comprising:

the prompt module is used for carrying out call prompt; and two ends of the prompt module are respectively connected with the pull rope switch module and the control module.

3. The calling device of claim 2, wherein the prompting module comprises at least one of: alarm lamp, speaker.

4. The calling device as claimed in claim 1, wherein the wireless communication module is a 433MHz wireless communication module.

5. The calling device of claim 1, wherein the pull-cord switch further comprises: a first resistor; one end of the first resistor is connected with the control module, and the other end of the first resistor is connected with the switch.

6. The calling device of claim 3, further comprising: and the base electrode of the triode is connected with the control module, and the collector electrode of the triode is connected with the prompting module.

7. The calling device of claim 6, further comprising: one end of the second resistor is connected with a power supply, and the other end of the second resistor is connected with a collector of the triode;

one end of the third resistor is connected with a power supply, and the other end of the third resistor is connected with the base electrode of the triode;

one end of the first capacitor is connected with the base electrode of the triode, and the other end of the first capacitor is connected with the control module;

and one end of the second capacitor is connected with the collector of the triode, and the other end of the second capacitor is connected with the prompt module.

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