CN217048549U - Safety belt wearing prompting device and operation machine - Google Patents
Safety belt wearing prompting device and operation machine Download PDFInfo
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- CN217048549U CN217048549U CN202220707706.1U CN202220707706U CN217048549U CN 217048549 U CN217048549 U CN 217048549U CN 202220707706 U CN202220707706 U CN 202220707706U CN 217048549 U CN217048549 U CN 217048549U
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Abstract
The utility model relates to an operation machine control field provides a suggestion device and operation machine are worn to the safety belt, and wherein, the suggestion device is worn to the safety belt includes: the device comprises a controller, a rotating speed sensor, a first switch unit and a prompting unit; the first end of the controller is electrically connected with the rotating speed sensor; the rotating speed sensor is used for detecting the rotating speed of the power source and sending the rotating speed to the controller; the first switch unit is used for being closed when the safety belt is worn; the controller is used for sending an electric signal to the prompting unit when the rotating speed is greater than or equal to the preset rotating speed; the prompting unit is used for sending out a prompting signal when receiving the electric signal. So, solved the suggestion mode of safety belt and inaccurate problem, under the state that the safety belt has been worn, can trigger first switch unit and close, the controller can be when the rotational speed of power supply is greater than or equal to and predetermines the rotational speed, triggers the suggestion unit more accurately and sends the prompt signal, has improved the accuracy of suggestion.
Description
Technical Field
The utility model relates to an operation machine control technical field especially relates to a suggestion device and operation machine are worn to safety belt.
Background
Currently, safety belts are used in devices to ensure the safety of people such as drivers. Sometimes, the user forgets to wear the safety belt, and the wearing state of the safety belt needs to be prompted to improve safety. In a scheme in the prior art, when a safety belt is not worn, a prompt is displayed on an instrument panel, but at the moment, equipment may not be driven, and the prompt is not needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a suggestion device and operation machinery are worn to the safety belt for solve the suggestion mode of safety belt among the prior art and unsafe defect, realize the safety belt and wear the accurate suggestion of state.
The utility model provides a suggestion device is worn to safety belt, include:
the device comprises a controller, a rotating speed sensor, a first switch unit and a prompting unit;
the first end of the controller is electrically connected with the rotating speed sensor, and the second end of the controller is electrically connected with the prompting unit through the first switch unit;
the rotating speed sensor is used for detecting the rotating speed of the power source and sending the rotating speed to the controller;
the first switch unit is used for being closed when the safety belt is worn;
the controller is used for sending an electric signal to the prompting unit through the closed first switch unit when the rotating speed is greater than or equal to a preset rotating speed;
the prompting unit is used for sending out a prompting signal when receiving the electric signal.
According to the utility model provides a pair of suggestion device is worn to safety belt, the suggestion unit includes: a prompting loop formed by the second switch unit, the prompter and the power supply;
the controller is electrically connected with the second switch unit through the first switch unit;
the second switch unit is used for being closed when the electric signal is received, so that the prompter sends out a prompting signal.
According to the utility model provides a pair of suggestion device is worn to safety belt, second switch unit is normally opened relay.
According to the utility model provides a pair of suggestion device is worn to safety belt, the prompting device is the pilot lamp.
According to the utility model provides a pair of suggestion device is worn to safety belt, the pilot lamp sets up in the outside of operation machinery.
According to the utility model provides a pair of suggestion device is worn to safety belt, the power supply is motor or engine.
According to the utility model provides a prompting device for wearing safety belt, the first switch unit is arranged in the safety belt;
the safety belt comprises a safety belt plug and a safety belt slot matched with the safety belt plug;
the first switch unit includes a first conductive contact, a second conductive contact, and a third conductive contact;
the first conductive contact acts as a belt plug for the belt;
the second conductive contact and the third conductive contact are oppositely arranged at intervals in the safety belt slot;
the first conductive contact is located inside the seat belt slot at a spacing of the second conductive contact and the third conductive contact in a state where the seat belt is worn, and is in contact with the second conductive contact and the third conductive contact to close the first switch unit.
The utility model also provides an operating machine, include as above-mentioned any one the safety belt wear suggestion device.
According to the utility model provides a working machine, the working machine comprises at least one power source;
the rotating speed sensor is used for detecting the rotating speed of one of the at least one power source and sending the rotating speed to the controller.
According to the utility model provides a pair of operating machinery, operating machinery is the excavator.
The utility model provides a suggestion device is worn to safety belt, under the state that the safety belt has been worn, can trigger first switch unit closed, after first switch unit is closed, switch on between controller and the suggestion unit, the controller can be when the rotational speed of the power supply that speed sensor detected is greater than or equal to predetermines the rotational speed, send the signal of telecommunication to the suggestion unit through closed first switch unit, trigger the suggestion unit and send the prompt signal to the state that the safety belt has been worn is indicateed more accurately, the accuracy of suggestion has been improved.
Furthermore, a prompt loop is formed in the prompt unit by using the second switch unit, the prompter and the power supply, and the structure is simple to implement.
Furthermore, an indicator light is used as a prompter, and the wearing state of the safety belt is prompted through light prompting information sent by the indicator light, so that the prompt is more obvious.
Furthermore, the indicator light is arranged outside the operation machine, and in the operation process of the operation machine, if the driver wears the safety belt, the indicator light can be triggered to emit light all the time, so that the driver can be clearly prompted to wear the safety belt by the outside personnel of the operation machine.
Furthermore, a normally open relay serves as a second switch unit, a large current passes through the indicating lamp side, a small current passes through the safety belt side, no harm is caused to a human body, the large current is controlled through the small current, and the safety is improved.
Furthermore, the first switch unit is arranged in the safety belt, and the first switch unit utilizes the structure of the safety belt, so that the structure is simple and easy to realize.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is one of the schematic structural diagrams of the seat belt wearing prompt device provided by the present invention;
fig. 2 is a second schematic structural view of the safety belt wearing prompt device provided by the present invention;
fig. 3 is a schematic view of the arrangement of the indicator light provided by the present invention;
fig. 4 is a schematic structural diagram of the safety belt provided by the present invention;
fig. 5 is a schematic structural diagram of a first switch unit provided by the present invention;
fig. 6 is a third schematic structural view of the safety belt wearing prompt device provided by the present invention;
reference numerals:
110: a controller; 120: a rotational speed sensor; 130: a first switching unit;
140: a presentation unit; 150: a safety belt; 160: a power source;
170: a working machine;
131: a first conductive contact; 132: a second conductive contact; 133: a third conductive contact; 134: a gap;
141: a second switching unit; 142: a prompter; 143: a power source;
151: a seat belt slot; 152: and (4) inserting the jack.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings in the present invention will be combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The seat belt wearing prompt device of the present invention will be described with reference to fig. 1 to 6.
The utility model provides a suggestion device is worn to safety belt can be but not limited to use in the operating machinery who is provided with the safety belt, and operating machinery can be such as engineering machine tools such as hoist, excavator, stake machine, perhaps for such as engineering vehicle as ascending a height car, fire engine, trucd mixer.
Fig. 1 is one of the schematic structural diagrams of the safety belt wearing prompt device provided by the present invention.
As shown in fig. 1, the utility model provides a suggestion device is worn to safety belt, include:
a controller 110, a rotational speed sensor 120, a first switching unit 130, and a presentation unit 140;
a first end of the controller 110 is electrically connected to the rotation speed sensor 120, and a second end is electrically connected to the prompt unit 140 through the first switch unit 130;
the rotation speed sensor 120 is used for detecting the rotation speed of the power source 160 and sending the rotation speed to the controller 110;
the first switch unit 130 is used for being closed when the safety belt 150 is worn;
the controller 110 is configured to send an electrical signal to the prompting unit 140 through the closed first switch unit 130 when the rotation speed is greater than or equal to a preset rotation speed;
the prompting unit 140 is configured to send a prompting signal when receiving the electrical signal.
The type of the controller 110 may be selected according to actual conditions, and may be a single chip microcomputer, a digital signal processor, or the like. Illustratively, the controller 110 may be a digital signal processor of the type TMS320F 28335.
When the rotation speed of the power source 160 reaches a certain level, it is possible that the wheels of the work machine may rotate to start traveling, and when the work machine starts traveling, the wearing condition of the seat belt 150 is prompted, so that the prompt is more accurate. Therefore, the rotational speed of the rotor of the connected power source 160 may be detected by the rotational speed sensor 120, and when the rotational speed detected by the rotational speed sensor 120 is greater than or equal to the preset rotational speed, it is considered that the vehicle starts to run, and at this time, the controller 110 may trigger the prompt unit 140 to send a prompt signal through an electrical signal. The rotation speed sensor 120 can also be selected according to needs, and for example, the rotation speed sensor 120 can be a rotation speed sensor model 04410-43410. The specific value of the preset rotation speed may also be preset according to an actual situation, and is not specifically limited herein.
When the safety belt is not worn, the first switch unit is opened, and then the circuit between the controller and the prompting unit is also opened, and when the safety belt is worn, the first switch unit is closed, and then the circuit between the controller and the prompting unit is conducted.
In this embodiment, in a state that the seat belt is worn, the first switch unit 130 may be triggered to be closed, after the first switch unit 130 is closed, the controller 110 and the prompting unit 140 are turned on, and when the rotation speed of the power source 160 detected by the rotation speed sensor 120 is greater than or equal to the preset rotation speed, the controller 110 may send an electrical signal to the prompting unit 140 through the closed first switch unit 130, and trigger the prompting unit 140 to send a prompting signal, so as to prompt a state that the seat belt 150 is worn more accurately, and improve the accuracy of the prompting.
Based on the above embodiment, as shown in fig. 2, the prompting unit 140 may include: a prompting loop formed by the second switch unit 141, the prompter 142 and the power source 143; the controller 110 is electrically connected to the second switching unit 141 through the first switching unit 130; the second switch unit 141 is configured to close when receiving the electrical signal, so that the prompter 142 sends a prompt signal.
Wherein, the power source 143 is electrically connected with the prompter 142 and the second switch unit 141, respectively. The second switching unit 141 is electrically connected to the prompter 142. The power supply may be an existing power supply in the working machine, that is, the seat belt wearing prompting device provided in this embodiment may directly share the power supply with other components in the working machine, and the implementation is simple. Of course, a separate suitable power supply may be provided. The power source 143 may be a battery or the like. By way of example, an acid battery of the type 6-QW-120MF may be used.
In this embodiment, the second switch unit 141, the prompter 142 and the power source 143 are used to form a prompting loop in the prompting unit, the structure is simple to implement, the controller 110 sends the electrical signal to the second switch unit 141, the second switch unit 141 is closed after receiving the electrical signal, and current flows through the prompter 142 in the prompting loop, so that the prompter 142 sends a prompting signal.
Illustratively, the indicator 142 may be an indicator light. Wherein, the pilot lamp is used for sending light cue signal. For example, the indicator light may be, but is not limited to, a green indicator light. Illustratively, a model number AD11 series indicator light may be used. The wearing state of the safety belt is prompted through light prompting information sent by a special indicating lamp, and the prompt is more obvious.
Of course, the prompter 142 may be of other structures such as a voice player. The voice player is used for sending out voice prompt signals.
In practical application, in some scenarios, a person outside the working machine needs to be able to receive a prompt, and at this time, if the prompt is an indicator light, the prompt may be disposed outside the working machine. In the working process of the working machine, if the driver wears the safety belt, the indicating lamp can be triggered to emit light all the time, so that the driver can be clearly prompted to wear the safety belt by the personnel outside the working machine.
For example, as shown in fig. 3, if the indicator is an indicator light, the indicator 142 may be disposed on the top of the work machine 170. Therefore, people around the operation machine can conveniently see whether the indicating lamp emits light, and when the indicating lamp emits light, a driver outside a cab of the operation machine can be conveniently prompted to wear the safety belt.
Of course, the indicator light may be disposed at other positions outside the working machine according to requirements, which are not listed here.
For example, the first switch unit 130 may be disposed in the safety belt 150. As shown in fig. 4, the seat belt 150 may include a seat belt plug and a seat belt insertion groove 151 matching the seat belt plug. The seat belt insertion slot 151 has an insertion hole 152, and a seat belt plug is inserted into the seat belt insertion slot 151 through the insertion hole 152, thereby wearing the seat belt. It should be noted that the body structure of the seat belt slot 151 of the seat belt may be an existing structure, and details thereof are not described herein.
As shown in fig. 5, the first switching unit 130 may include a first conductive contact 131, a second conductive contact 132, and a third conductive contact 133; the first conductive contact 131 acts as a seat belt plug for the seat belt; the second conductive contact 132 and the third conductive contact 133 are oppositely arranged at intervals in the seat belt slot 151; in a state where the belt insertion groove 151 is worn, the first conductive contact 131 is located at a space 134 of the second conductive contact 132 and the third conductive contact 133 inside the belt insertion groove 151, and contacts the second conductive contact 132 and the third conductive contact 133 to close the first switching unit 130. Fig. 5 illustrates a state in which the first conductive contact 131 is partially inserted into the seat belt insertion groove 151.
Among them, the first conductive contact 131, the second conductive contact 132, and the third conductive contact 133 may be metal sheets.
Specifically, the second conductive contact 132 and the third conductive contact 133 may be respectively located on a hole wall of the insertion hole 152 of the seat belt insertion groove 151, and may be oppositely disposed on the hole wall.
In practical applications, one of the second conductive contact 132 and the third conductive contact 133 is electrically connected to the controller 110 through a conductive wire, and the other is electrically connected to the second switch unit 141 through a conductive wire. When the first conductive contact 131 of the seatbelt plug, which is a seatbelt, is inserted into the seatbelt insertion slot 151 to complete wearing of the seatbelt, the first conductive contact 131 comes into contact with the second conductive contact 132 and the third conductive contact 133 at the above-mentioned space 134 to turn on the second conductive contact 132 and the third conductive contact 133, i.e., to effect closing of the first switching unit 130. The first switch unit 130 of the present embodiment is disposed in the seat belt, and utilizes the structure of the seat belt itself, so that the structure is simple and easy to implement.
Of course, the first switch unit 130 may have another structure, for example, the first switch unit 130 may be a contact switch. The contact switch may be provided inside the insertion hole of the belt insertion groove 151, and when the belt plug is inserted into the belt insertion groove 151, the contact switch is triggered to be closed.
For example, the second switching unit 141 may be a normally open relay. When the electric signal is not received, the normally open relay is disconnected, and when the electric signal is received, the normally open relay is closed.
The seat belt wearing prompting device according to the present embodiment will be described in more detail below by taking a normally open relay as an example.
As shown in fig. 6, the seatbelt wearing notification apparatus will be described by taking an example in which the power source 160 is an engine, the notification device 142 is an indicator lamp, the power source 143 is a battery, and the first switch unit 130 includes the first conductive contact 131, the second conductive contact 132, and the third conductive contact 133.
Normally open relay includes two pins of relay coil, 85 feet and 86 feet, namely control end positive pole and control end negative pole, still includes 30 feet and 87 feet, namely power input end and normally open output. The positive pole and the negative pole of the control end are input ends of relay starting signals, wherein, small current is input, large current is input at the input end of the power supply and can be connected to the positive pole of the power supply, and the normally open output end is a large current output end. Based on this, the positive pole of the control end of the normally open relay is electrically connected with the first switch unit 130, the negative pole of the control end is grounded, the power input end is electrically connected with the positive pole of the power source 143, and the normally open output end is electrically connected with one end of the indicator light. The other end of the indicator light is electrically connected to the negative pole of the power source 143.
Specifically, one of the second conductive contact 132 and the third conductive contact 133 of the first switching unit 130 is electrically connected to the control terminal positive electrode of the normally open relay, and the other is electrically connected to the controller 110.
In practical application, a proper normally open relay can be selected according to practical conditions. Illustratively, a normally open relay model number HHZ 012-1Z6SGR (U) may be employed.
Based on this, the accumulator can supply power to the indicator light and the controller, and is connected with the relay coil in series in the circuit. Speed sensor 120's one end links to each other with the engine, the other end inserts controller 110, after the safety belt was worn, first conductive contact 131 inserts in the interval 134 of second conductive contact 132 and third conductive contact 133 along arrow mark direction in the picture, switch on between controller 110 and normally open relay's normally open contact (being normally open output promptly), when the engine began to rotate, speed sensor detected the rotational speed of engine, when controller 110 is greater than predetermineeing the rotational speed at speed sensor 120's rotational speed value, the output signal of telecommunication reachs the relay coil, this moment, the normally open contact closure of relay, the return circuit at pilot lamp place is closed, thereby the pilot lamp is luminous to indicate the safety belt has been worn.
In this embodiment, with relay control suggestion unit, what pass through on the pilot lamp side is the heavy current, and what pass through on the safety belt side is the undercurrent, can not produce the injury to the human body, realizes undercurrent control heavy current, and is safer.
The following describes the working machine provided by the present invention, and the working machine described below and the seat belt wearing prompt device described above can correspond to each other for reference.
The present embodiment provides a work machine including the seatbelt wearing prompting device provided in any one of the above embodiments. The working machine may be an engineering machine such as a crane, an excavator, a pile driver, or an engineering vehicle such as a climbing truck, a fire truck, or a mixer truck.
It will be appreciated that the work machine includes a power source. For example, the power source may be an engine or an electric motor. For example, an engine model number 4TNV98 series may be used.
In this embodiment, under the state that the safety belt has been worn, can trigger first switch unit and close, first switch unit is closed after, switches on between controller and the suggestion unit, and the controller can be when the rotational speed of the power supply that rotational speed sensor detected is greater than or equal to and predetermines the rotational speed, sends the signal of telecommunication to the suggestion unit through closed first switch unit, triggers the suggestion unit and sends the suggestion signal to the state that the safety belt has been worn is indicateed more accurately, has improved the accuracy of suggestion.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A seatbelt wearing prompt device characterized by comprising:
the device comprises a controller, a rotating speed sensor, a first switch unit and a prompting unit;
the first end of the controller is electrically connected with the rotating speed sensor, and the second end of the controller is electrically connected with the prompting unit through the first switch unit;
the rotating speed sensor is used for detecting the rotating speed of the power source and sending the rotating speed to the controller;
the first switch unit is used for being closed when the safety belt is worn;
the controller is used for sending an electric signal to the prompting unit through the closed first switch unit when the rotating speed is greater than or equal to a preset rotating speed;
and the prompting unit is used for sending out a prompting signal when receiving the electric signal.
2. The seatbelt wearing alert device according to claim 1, wherein the alert unit includes: a prompting loop formed by the second switch unit, the prompter and the power supply;
the controller is electrically connected with the second switch unit through the first switch unit;
the second switch unit is used for being closed when the electric signal is received, so that the prompter sends out a prompting signal.
3. The seatbelt wearing prompt device according to claim 2, wherein the second switch unit is a normally open relay.
4. The seatbelt-wearing warning device according to claim 2, wherein the warning device is an indicator lamp.
5. The seatbelt wear notification device according to claim 4, wherein the indicator lamp is provided outside the working machine.
6. The seatbelt wear prompting device according to claim 1, wherein the power source is an electric motor or an engine.
7. The seatbelt wearing prompt device according to any one of claims 1 to 6, wherein the first switch unit is provided in the seatbelt;
the safety belt comprises a safety belt plug and a safety belt inserting groove matched with the safety belt plug;
the first switch unit comprises a first conductive contact, a second conductive contact and a third conductive contact;
the first conductive contact acts as a seat belt plug for the seat belt;
the second conductive contact and the third conductive contact are oppositely arranged at intervals in the safety belt slot;
the first conductive contact is located inside the seat belt slot at a spacing of the second conductive contact and the third conductive contact and contacts the second conductive contact and the third conductive contact to close the first switch unit in a state where the seat belt is worn.
8. A working machine comprising the seatbelt wearing indication device according to any one of claims 1 to 7.
9. The work machine of claim 8, wherein the work machine includes a power source.
10. The work machine according to claim 8 or 9, wherein the work machine is an excavator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707706.1U CN217048549U (en) | 2022-03-28 | 2022-03-28 | Safety belt wearing prompting device and operation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707706.1U CN217048549U (en) | 2022-03-28 | 2022-03-28 | Safety belt wearing prompting device and operation machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217048549U true CN217048549U (en) | 2022-07-26 |
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ID=82466544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220707706.1U Active CN217048549U (en) | 2022-03-28 | 2022-03-28 | Safety belt wearing prompting device and operation machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217048549U (en) |
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2022
- 2022-03-28 CN CN202220707706.1U patent/CN217048549U/en active Active
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