CN212873716U - PLC with high temperature alarm structure - Google Patents
PLC with high temperature alarm structure Download PDFInfo
- Publication number
- CN212873716U CN212873716U CN202022094120.6U CN202022094120U CN212873716U CN 212873716 U CN212873716 U CN 212873716U CN 202022094120 U CN202022094120 U CN 202022094120U CN 212873716 U CN212873716 U CN 212873716U
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- plc
- protective cover
- thermistor
- wire
- shell
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Abstract
The utility model belongs to the technical field of the PLC controller, specifically be a PLC with high temperature alarm structure, which comprises an outer shell, the top at shell top is connected with the loose axle, be connected with the protective cover on the loose axle, the jack has been seted up to the side of protective cover, it has the bolt to peg graft in the inside of jack, the medial extremity of bolt is connected with thermistor, the outside end threaded connection of bolt has the nut, one side of thermistor is connected with the signal line, the other end of signal line is connected with the siren, the top at the shell is installed to the siren, install the warning light on the siren. The utility model discloses an installation thermistor in the protective cover, when binding post broke down and produced the high temperature, close thermistor can sense, then gives the siren with the signal transmission, and then makes warning light work, and thermistor adopts bolted connection, and the follow-up loading and unloading of being convenient for are maintained to the rationality and the feasibility of device have been improved.
Description
Technical Field
The utility model relates to a PLC controller technical field specifically is a PLC with high temperature alarm structure.
Background
The PLC is an electronic system designed for digital operation in industrial environment, and it adopts a programmable program memory, in which the instructions for executing logical operation, sequence control, timing, counting and arithmetic operation are stored, and utilizes digital and analog input and output to control various mechanical equipment and production process.
The existing PLC controller has certain defects more or less in the actual use process, for example, a wiring terminal on the PLC is easy to generate high temperature after being broken down, short circuit and even fire disaster are easily caused if the wiring terminal is not processed in time, and serious power utilization accidents are caused.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a PLC with high temperature alarm structure has the characteristics of high temperature alarm and protection terminal.
(II) technical scheme
In order to solve the technical problem, the utility model provides a PLC with a high temperature alarm structure, which comprises a housing, wherein the top of the housing is connected with a movable shaft, the movable shaft is connected with a protective cover, the side edge of the protective cover is provided with a jack, a bolt is inserted in the jack, the inner side end of the bolt is connected with a thermistor, the outer side end of the bolt is in threaded connection with a nut, one side of the thermistor is connected with a signal wire, the other end of the signal wire is connected with an alarm, the alarm is arranged at the top of the housing, an alarm lamp is arranged on the alarm, the side edge of the top of the housing is provided with a connecting terminal row which is positioned at the inner side of the protective cover, a wire tightening head is arranged on the connecting terminal row, the top of the housing is provided with an indicator lamp which is positioned at, and a turning plate is arranged on the other side of the top of the shell.
Preferably, the two sides of the shell are respectively provided with a heat dissipation port, and four corners of the bottom of the shell are respectively provided with a mounting foot.
Preferably, the protective cover is a transparent plastic flip-cover-shaped structure, the inner side of the protective cover is provided with a heat insulation layer, and the side edge of the protective cover is provided with a notch for the lead to enter and exit.
Preferably, the inner side of the thermistor is provided with a protective pad, the protective pad is tightly attached to the protective cover, and at least three thermistor single sides are arranged.
Preferably, the alarm is provided with a remote connection socket, and the remote connection socket is plugged with a wireless annunciator and a touch screen connecting wire.
Preferably, a plurality of wire inserting holes are formed in the wiring terminal row, and the wire tightening heads are respectively located on the wire inserting holes.
Preferably, the wire tightening head comprises a bolt and a wire pressing plate, and the wire pressing plate is of an arc-shaped structure.
The above technical scheme of the utility model has following profitable technological effect:
1. the utility model discloses an installation thermistor in the protective cover, when binding post broke down and produced the high temperature, close thermistor can sense, then gives the siren with the signal transmission, and then makes warning light work, and thermistor adopts bolted connection, and the follow-up loading and unloading of being convenient for are maintained to the rationality and the feasibility of device have been improved.
2. The utility model discloses a set up transparent protective cover in the both sides at shell top, the fluting that the side was left simultaneously supplies the wire to pass, and the effectual binding post row of having avoided exposes outside, adopts the axle head structure commonly used, and the switch is all comparatively convenient to PLC's security has been improved.
Drawings
FIG. 1 is a schematic side view of the structure of the present invention;
FIG. 2 is a schematic view of the installation of the thermistor according to the present invention;
fig. 3 is a schematic top view of the structure of the present invention.
Reference numerals:
1. a housing; 101. a heat dissipation port; 102. mounting a foot; 2. a movable shaft; 3. a protective cover; 4. a jack; 5. a bolt; 6. a thermistor; 61. a protective pad; 7. a nut; 8. a signal line; 9. an alarm; 10. an alarm light; 11. a terminal block; 12. tightening the wire head; 13. an indicator light; 14. a control interface; 15. and (4) turning over the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the PLC with a high temperature alarm structure provided by the present invention comprises a housing 1, a movable shaft 2 is connected to the top of the housing 1, a protective cover 3 is connected to the movable shaft 2, a jack 4 is formed on the side of the protective cover 3, a bolt 5 is inserted into the jack 4, a thermistor 6 is connected to the inner side end of the bolt 5, a nut 7 is connected to the outer side end of the bolt 5 through a screw thread, a signal line 8 is connected to one side of the thermistor 6, an alarm 9 is connected to the other end of the signal line 8, the alarm 9 is installed on the top of the housing 1, an alarm lamp 10 is installed on the alarm 9, a terminal block 11 located inside the protective cover 3 is arranged on the side of the top of the housing 1, a wire tightening head 12 is arranged on the terminal block 11, an indicator lamp 13 located on one side of the alarm 9 is arranged on the, the other side of the top of the shell 1 is provided with a turning plate 15.
In order to solve the problem that current PLC has trouble high temperature hidden danger and security poor, we are through installing thermistor 6 in protective cover 3, when binding post broke down and produces high temperature, close thermistor 6 can sense, then gives siren 9 with the signal transmission, and then makes warning light 10 work, and thermistor 6 adopts bolt 5 to connect, and the follow-up loading and unloading of being convenient for are maintained to the rationality and the feasibility of device have been improved.
On the other hand sets up transparent protective cover 3 through the both sides at shell 1 top, and the fluting that the side was left simultaneously supplies the wire to pass, and the effectual binding post row 11 of having avoided exposes outside, adopts the axle lid structure commonly used, and the switch is all comparatively convenient to PLC's security has been improved.
As shown in fig. 1, two sides of the housing 1 are respectively provided with a heat dissipation opening 101, and four corners of the bottom of the housing 1 are respectively provided with a mounting foot 102, so that good heat dissipation of the PLC can be ensured through the heat dissipation opening 101, and the mounting feet 102 facilitate the mounting of the PLC, thereby improving the feasibility of the device.
It should be noted that, protective cover 3 is clear plastic flip column structure, and protective cover 3's inboard is equipped with the insulating layer, and protective cover 3's side is seted up the fluting that supplies the wire business turn over, can open through protective cover 3's flip and wiring, convenient operation, and the insulating layer prevents that protective cover 3 from being heated the damage simultaneously, and the normal of connecting wire is guaranteed in the fluting in addition is dragged, and the design is comparatively reasonable, convenient to popularize and use.
As shown in fig. 2, the protection pad 61 is disposed on the inner side of the thermistor 6, the protection pad 61 is tightly attached to the protection cover 3, the thermistor 6 can be prevented from contacting the protection cover 3 by the protection pad 61, the safety is high, and the two bolts 5 disposed on the two sides of the thermistor 6 have good installation stability.
As shown in figure 3, the alarm 9 is provided with a remote connection socket, and the remote connection socket is plugged with a wireless annunciator and a touch screen connecting wire, so that the PLC can be respectively connected to the equipment screen and the remote terminal through the remote connection socket, thereby greatly facilitating people to find and repair in time and improving the reliability of the device.
Further, be equipped with a plurality of plug wire holes in the binding post row 11, and tight line head 12 is located the plug wire hole respectively, and is downthehole through inserting the wire into the plug wire, rotates tight line head 12 and can carry out the centre gripping to the wire fixed, and is comparatively reasonable.
Furthermore, the wire tightening head 12 comprises a bolt and a wire pressing plate, the wire pressing plate is of an arc-shaped structure, the bolt is in threaded connection with the wiring terminal block 11, the arc-shaped wire pressing plate can be pressed to the exposed end of the wire by rotating the bolt, and connection is further completed.
The utility model discloses a theory of operation and use flow: at first install shell 1 at the assigned position through installation foot 102, then open protective cover 3, insert the exposed end of wire in proper order in the wire hole on binding post row 11, then twist and tightly press from both sides the wire end 12, then connect control interface 14 and siren 9 on the equipment display screen through the connecting wire, insert wireless transmitter on siren 9 simultaneously, connect remote computer terminal, accomplish the installation, after binding post row 11 the line trouble appears, the heat of output can trigger the police dispatch newspaper behind the contact thermistor 6, make warning light 10 work, remind maintainer through wireless signal simultaneously, be convenient for salvage in time, reduce the loss, can.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. The utility model provides a PLC with high temperature alarm structure, includes shell (1), its characterized in that, the top at shell (1) top is connected with loose axle (2), be connected with protective cover (3) on loose axle (2), jack (4) have been seted up to the side of protective cover (3), bolt (5) have been pegged graft to the inside of jack (4), the medial extremity of bolt (5) is connected with thermistor (6), the outside end threaded connection of bolt (5) has nut (7), one side of thermistor (6) is connected with signal line (8), the other end of signal line (8) is connected with siren (9), siren (9) are installed at the top of shell (1), install warning light (10) on siren (9), the side at shell (1) top is equipped with the binding post row (11) that are located protective cover (3) inboard, the wiring terminal block is characterized in that a wire tightening head (12) is arranged on the wiring terminal block (11), an indicator lamp (13) located on one side of the alarm (9) is arranged at the top of the shell (1), a control interface (14) is arranged on the outer side of the indicator lamp (13), and a turning plate (15) is arranged on the other side of the top of the shell (1).
2. The PLC with the high-temperature alarm structure according to claim 1, wherein two sides of the housing (1) are respectively provided with a heat dissipation port (101), and four corners of the bottom of the housing (1) are respectively provided with a mounting foot (102).
3. The PLC with a high temperature alarm structure according to claim 1, wherein the protective cover (3) is a transparent plastic flip-top structure, and the inner side of the protective cover (3) is provided with a thermal insulation layer, and the side of the protective cover (3) is provided with a slot for the wire to enter and exit.
4. The PLC with a high temperature alarm structure according to claim 1, wherein a protection pad (61) is disposed on the inner side of the thermistor (6), the protection pad (61) is tightly attached to the protection cover (3), and at least three thermistors (6) are disposed on one side.
5. The PLC with the high-temperature alarm structure according to claim 1, wherein a remote connection socket is arranged on the alarm (9), and a wireless annunciator and a touch screen connecting wire are plugged into the remote connection socket.
6. The PLC with the high-temperature alarm structure according to claim 1, wherein a plurality of wire insertion holes are formed in the terminal block (11), and the wire tightening heads (12) are respectively located on the wire insertion holes.
7. The PLC with a high temperature alarm structure according to claim 1, wherein the wire tightening head (12) comprises a bolt and a wire pressing plate, and the wire pressing plate is of an arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022094120.6U CN212873716U (en) | 2020-09-22 | 2020-09-22 | PLC with high temperature alarm structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022094120.6U CN212873716U (en) | 2020-09-22 | 2020-09-22 | PLC with high temperature alarm structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212873716U true CN212873716U (en) | 2021-04-02 |
Family
ID=75198578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022094120.6U Expired - Fee Related CN212873716U (en) | 2020-09-22 | 2020-09-22 | PLC with high temperature alarm structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212873716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117334537A (en) * | 2023-10-31 | 2024-01-02 | 云南电力试验研究院(集团)有限公司 | Temperature visualization structure and leakage circuit breaker |
-
2020
- 2020-09-22 CN CN202022094120.6U patent/CN212873716U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117334537A (en) * | 2023-10-31 | 2024-01-02 | 云南电力试验研究院(集团)有限公司 | Temperature visualization structure and leakage circuit breaker |
| CN117334537B (en) * | 2023-10-31 | 2024-05-24 | 云南电力试验研究院(集团)有限公司 | Leakage circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210402 Termination date: 20210922 |