CN202092718U - High liquid level alarm switch - Google Patents
High liquid level alarm switch Download PDFInfo
- Publication number
- CN202092718U CN202092718U CN2011201911456U CN201120191145U CN202092718U CN 202092718 U CN202092718 U CN 202092718U CN 2011201911456 U CN2011201911456 U CN 2011201911456U CN 201120191145 U CN201120191145 U CN 201120191145U CN 202092718 U CN202092718 U CN 202092718U
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- oil spilling
- probe
- high liquid
- signal input
- line
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Abstract
The utility model discloses a high liquid level alarm switch, which comprises a plurality of oil overflow probes. Each oil overflow probe is provided with a power wire, an earth wire, a signal input wire, a signal output wire and an alarm signal wire for vehicular equipment. A single-pole double-throw switch is arranged in a vehicular socket connected with the high liquid level alarm switch, a common end of the single-pole double-throw switch is connected with a power source, a normally-closed end of the single-pole double-throw switch is connected to an anode of a light emitting diode, and a cathode of the light emitting diode is connected with the alarm signal wire for the vehicular equipment. Functions of outputting alarm information and inputting of bypass signals can be achieved, and the high liquid level alarm switch is higher in safety and reliability.
Description
Technical field
The utility model relates to a kind of liquid level emasuring device, relates in particular to a kind of high liquid alarm switch.
Background technology
Being installed in the liquid level gauge (level switch) on the oil tank transport vehicle, is purpose with the measuring liquid level, in order to improve security, mostly has warning function concurrently.
As shown in Figure 1, be a kind of level switch of the prior art, comprise a plurality of oil spillings probe, each oil spilling probe is respectively equipped with following five lines: power lead, ground wire, signal input line, output line, give the alerting signal line of mobile unit; Wherein, the signal input line that the output line of first oil spilling probe is connected with the signal input line of second oil spilling probe, the output line of second oil spilling probe and the 3rd oil spilling are popped one's head in is connected, and the like be connected to the signal input line that last oil spilling is popped one's head in; The signal input line of first oil spilling probe is connected with the signal output part of static oil spilling alarm, the output line of last oil spilling probe is connected with the signal input part of static oil spilling alarm.
The principle of work of above-mentioned prior art is:
Send pulse signal by the static oil spilling alarm that is installed on the oil delivery equipment, arrive first the signal input part of first oil spilling probe, when not having oil spilling to report to the police, the signal input part of pulse signal to the second oil spilling probe that the signal output part output of first oil spilling probe is same, and the like can connect many platform oil spillings probe, the signal output part of last oil spilling probe outputs to the signal input part of static oil spilling alarm.When certain oil spilling probe is reported to the police, just output signal no longer, the probe of back because there is not input signal, does not have output even without warning certainly yet.Static oil spilling alarm detects just can judge have the oil spilling probe to report to the police when not having input signal, send emergency-stop signal and stop charge of oil to automatic control equipment this moment.
From above-mentioned principle of work as can be seen, when certain bin level appearance is wherein reported to the police, static oil spilling alarm just can not detect backhaul signals, it is just exported an alerting signal and gives automatic loading equipment, automatic loading equipment will stop the entrucking of all freight spaces of this car, even other positions in storehouse are not filled like this, can not carry out canned.
In the prior art, in order to address the above problem, mainly be to force one of output to allow the delivery signal to give automatic loading equipment static oil spilling alarm, promptly bypass functionality (BYPASS) realizes forcing entrucking.
There is shortcoming at least in above-mentioned prior art:
After opening bypass functionality, in the entrucking process of other position in storehouse, oil spilling takes place other position in storehouse again reports to the police, and static oil spilling alarm is output alarm signal again, thereby causes industrial accident.
The utility model content
The purpose of this utility model provides a kind of security and the higher high liquid alarm switch of reliability.
The purpose of this utility model is achieved through the following technical solutions:
High liquid alarm switch of the present utility model, high liquid alarm switch comprises a plurality of oil spilling probes, each oil spilling probe is respectively equipped with following five lines:
Power lead, ground wire, signal input line, output line, give the alerting signal line of mobile unit;
Wherein, the signal input line that the output line of first oil spilling probe is connected with the signal input line of second oil spilling probe, the output line of second oil spilling probe and the 3rd oil spilling are popped one's head in is connected, and the like be connected to the signal input line that last oil spilling is popped one's head in;
The signal input line of first oil spilling probe is connected with the signal output part of static oil spilling alarm, the output line of last oil spilling probe is connected with the signal input part of static oil spilling alarm;
This high liquid alarm switch is connected with vehicle-mounted socket, be provided with the two switches of putting of a hilted broadsword in the described vehicle-mounted socket, the two public termination powers of putting switch of described hilted broadsword, the positive pole of normal-closed end sending and receiving optical diode, the negative pole of described light emitting diode connect the described alerting signal line of giving mobile unit.
The technical scheme that is provided by above-mentioned the utility model as can be seen, high liquid alarm switch described in the utility model, because high liquid alarm switch, owing to be provided with the two switches of putting of a hilted broadsword in the vehicle-mounted socket, the two public termination powers of putting switch of hilted broadsword, the positive pole of normal-closed end sending and receiving optical diode, the negative pole of described light emitting diode connect the described alerting signal line of giving mobile unit.Make its function that can satisfy warning output information, can satisfy the input function of by-passing signal again, security and reliability are higher.
Description of drawings
Fig. 1 is the circuit theory diagrams of level switch in the prior art;
Fig. 2 is the connection diagram of high liquid alarm switch the 5th line of the present utility model and vehicle-mounted socket;
Fig. 3 is the inner schematic diagram of popping one's head in of oil spilling in the utility model.
Among the figure: S1, S2, S3 ..., Sn is wireless oil spilling probe; 1, power lead; 2, ground wire; 3, signal input line; 4, output line; 5, give the alerting signal line of mobile unit.
Embodiment
High liquid alarm switch of the present utility model, its preferable embodiment is:
As shown in Figure 1, high liquid alarm switch comprises a plurality of oil spilling probes, and each oil spilling probe is respectively equipped with following five lines:
Power lead, ground wire, signal input line, output line, give the alerting signal line of mobile unit;
Wherein, the signal input line that the output line of first oil spilling probe is connected with the signal input line of second oil spilling probe, the output line of second oil spilling probe and the 3rd oil spilling are popped one's head in is connected, and the like be connected to the signal input line that last oil spilling is popped one's head in;
The signal input line of first oil spilling probe is connected with the signal output part of static oil spilling alarm, the output line of last oil spilling probe is connected with the signal input part of static oil spilling alarm;
As shown in Figure 2, this high liquid alarm switch is connected with vehicle-mounted socket, be provided with the two switches of putting of a hilted broadsword in the described vehicle-mounted socket, the two public termination powers of putting switch of described hilted broadsword, the positive pole of normal-closed end sending and receiving optical diode, the negative pole of described light emitting diode connect the described alerting signal line of giving mobile unit.
Described static oil spilling alarm can be installed on the oil delivery equipment.Described oil spilling probe can be wireless oil spilling probe.
In the utility model, high liquid alarm switch is transformed to the 5th signal of mobile unit indication warning message, make it can satisfy the function of warning output information, can satisfy the input function of by-passing signal again, like this when this level switch is reported to the police, by the input function of this signal wire, force this high liquid alarm switch output pulse signal to give next level switch or alarm, it is effective to make it allow to continue Load Signal.By this mode, though certain bin level generation level switch warning, by bypass (BYPASS) function of this switch, still can allow other position in storehouse entruckings, and when other positions in storehouse had warning, static oil spilling alarm still can output alarm signal, and notice automatic loading equipment stops charge of oil.
Concrete principle of work is:
As shown in Figure 2, place one in the vehicle-mounted socket and possess from the hilted broadsword of the function that playbacks is two and put switch, public termination power, normal-closed end connect the positive pole of luminous indicating diode, and the negative pole of light emitting diode connects oil spilling the 5th line of popping one's head in.
According to standard-required, when not reporting to the police, giving the alerting signal line end resistance over the ground of mobile unit is 4.7K, and greater than 2M, at diode just often by 4.7k resistance over the ground, the diode pilot lamp is luminous like this during warning; Because stake resistance is bigger, not conducting of diode indicates the alarm condition of each level switch by this mode during warning.
As shown in Figure 3, no matter whether report to the police, the signal that BYPASS is input to CPU all is a high level, if when reporting to the police, the two switches of putting of hilted broadsword are disconnected the diode outage, the BYPASS detection signal is low, notice alarm switch CPU has started the BYPASS function, and this moment, CPU continued output permission signal, thereby realized the output bypass functionality.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.
Claims (3)
1. one kind high liquid alarm switch comprises a plurality of oil spilling probes, and each oil spilling probe is respectively equipped with following five lines:
Power lead, ground wire, signal input line, output line, give the alerting signal line of mobile unit;
Wherein, the signal input line that the output line of first oil spilling probe is connected with the signal input line of second oil spilling probe, the output line of second oil spilling probe and the 3rd oil spilling are popped one's head in is connected, and the like be connected to the signal input line that last oil spilling is popped one's head in;
The signal input line of first oil spilling probe is connected with the signal output part of static oil spilling alarm, the output line of last oil spilling probe is connected with the signal input part of static oil spilling alarm;
This high liquid alarm switch is connected with vehicle-mounted socket, it is characterized in that, be provided with the two switches of putting of a hilted broadsword in the described vehicle-mounted socket, the two public termination powers of putting switch of described hilted broadsword, the positive pole of normal-closed end sending and receiving optical diode, the negative pole of described light emitting diode connect the described alerting signal line of giving mobile unit.
2. high liquid alarm switch according to claim 1 is characterized in that, described static oil spilling alarm is installed on the oil delivery equipment.
3. high liquid alarm switch according to claim 2 is characterized in that, described oil spilling probe is wireless oil spilling probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201911456U CN202092718U (en) | 2011-06-08 | 2011-06-08 | High liquid level alarm switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201911456U CN202092718U (en) | 2011-06-08 | 2011-06-08 | High liquid level alarm switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202092718U true CN202092718U (en) | 2011-12-28 |
Family
ID=45367779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201911456U Expired - Lifetime CN202092718U (en) | 2011-06-08 | 2011-06-08 | High liquid level alarm switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202092718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702767A (en) * | 2017-09-19 | 2018-02-16 | 重庆材料研究院有限公司 | Based on the liquid level alarming switch detection method of static liquid level and its scaling method of alarming line |
-
2011
- 2011-06-08 CN CN2011201911456U patent/CN202092718U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702767A (en) * | 2017-09-19 | 2018-02-16 | 重庆材料研究院有限公司 | Based on the liquid level alarming switch detection method of static liquid level and its scaling method of alarming line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING JUNYOU XINYE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: FAN MINGJUN Effective date: 20140428 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 101101 TONGZHOU, BEIJING TO: 100018 CHAOYANG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140428 Address after: 100018 Beijing city Chaoyang District Gao Yang tree building 3 South Lane West Patentee after: Beijing Junyou Xinye Technology Co., Ltd. Address before: 101101, No. 6, unit 612, building 28, West Horse Village, Yongshun Town, Beijing, Tongzhou District Patentee before: Fan Mingjun |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111228 |