CN102229338B - Pressure monitoring system for commercial automobile braking piping and calibrating method - Google Patents
Pressure monitoring system for commercial automobile braking piping and calibrating method Download PDFInfo
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- CN102229338B CN102229338B CN 201110085405 CN201110085405A CN102229338B CN 102229338 B CN102229338 B CN 102229338B CN 201110085405 CN201110085405 CN 201110085405 CN 201110085405 A CN201110085405 A CN 201110085405A CN 102229338 B CN102229338 B CN 102229338B
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Abstract
The invention discloses a pressure monitoring system for commercial automobile braking piping and a calibrating method. The pressure monitoring system comprises a braking pressure sensor, a sensor connecting member, a pressure gage, a connecting member of a ball valve and the pressure gauge, the ball valve, a No.1 tee joint, a No.2 tee joint and a No. 2 connecting hose. An internal threaded end of a No.1 connecting air pipe is connected with the right end of the No.1 tee joint; a middle port end of the No.1 tee joint is connected with the lower end of the sensor connecting member; the upper end of the sensor connecting member is connected with the braking pressure sensor; the left end of the No.1 tee joint is connected with the right end of a No. 1 connecting hose; the left end of the No. 1 connecting hose is connected with a middle port end of the No.2 tee joint; the lower end of the No.2 tee joint is connected with the upper end of the No.2 connecting hose; the upper end of the No.2 tee joint is connected with an internal threaded end of a No.2 connecting air pipe; an external threaded end of the No.2 connecting air pipe is connected with the lower end of the ball valve; the upper end of the ball valve is connected with a big internal threaded end of the connecting member of the ball valve and the pressure gauge; and a small internal threaded end of the connecting member of the ball valve and the pressure gauge is connected with the pressure gauge. The invention also discloses a calibrating method of the pressure monitoring system.
Description
Technical field
The present invention relates to the for-hire vehicle brake-pipe pressure monitored control system and the calibration method in a kind of vehicle inspection and test field.
Background technology
The safe in operation of braking performance of automobile and automobile is closely related; China's automobile pollution reached 8,500 ten thousand in 2010; A large amount of car accedents all causes because the brake system technology status is bad; Particularly,, therefore more should pay attention to the factor of brake piping fault effects transportation safety because of its accident that causes tends to produce great personnel and economic loss for the goods transport vehicle.
The sensor signal of installing on the automobile at present still can not reflect vehicle braked line pressure state fully.Therefore; The present invention proposes a kind of for-hire vehicle brake-pipe pressure monitored control system and calibration method; Can gather the brake-pipe pressure signal, and the status information of monitor vehicle brake-pipe pressure, the vehicle safety accident that can effectively avoid the brake piping fault to cause takes place.
Summary of the invention
Technical matters to be solved by this invention is to have overcome the problem that prior art exists, and a kind of for-hire vehicle brake-pipe pressure monitored control system and calibration method are provided.
For solving the problems of the technologies described above, the present invention adopts following technical scheme to realize: described for-hire vehicle brake-pipe pressure monitored control system by brake-pressure sensor, sensor attaching parts, compression indicator, ball valve with compression indicator attaching parts, ball valve, No. 1 threeway, No. 2 threeways, be connected tracheae, No. 2 connection tracheaes, No. 1 connection hose and No. 2 connection hoses for No. 1 and form.
The female end that connects tracheae for No. 1 is threaded with the right-hand member of No. 1 threeway; The intermediary interface end of No. 1 threeway is threaded with the lower end of sensor attaching parts; The upper end of sensor attaching parts is threaded with brake-pressure sensor; No. 1 the threeway left end is threaded with the right-hand member of No. 1 connection hose, and No. 1 the connection hose left end is threaded with the intermediary interface end of No. 2 threeways, and the lower end of No. 2 threeways is threaded with the upper end of No. 2 connection hoses; No. 2 threeways upper end is connected the tracheae female end and connects with No. 2; Connect the tracheae male end No. 2 and be connected with the lower end of ball valve, the upper end of ball valve is connected with the big female end of compression indicator attaching parts with ball valve, and ball valve is connected with compression indicator with the little female end of compression indicator attaching parts.
Sensor attaching parts described in the technical scheme is the rectangular structure part, and the diad of cuboid is provided with ladder hole, and the major diameter at cuboid diad two ends and the through hole of minor diameter are processed with negative thread respectively; Described ball valve and compression indicator attaching parts are the rectangular structure part, and the diad of cuboid is provided with ladder hole, and the major diameter at cuboid diad two ends and the through hole of minor diameter are processed with negative thread respectively; Described No. 1 threeway and No. 2 threeways are same structure spare, and No. 1 connection tracheae is connected tracheae with No. 2 be same structure spare, and No. 1 connection hose and No. 2 connection hoses are same structure spare.No. 1 threeway or No. 2 threeways are the attaching parts that three interface end have identical externally threaded internal run-through.The right-hand member that connects tracheae or No. 2 connection tracheaes for No. 1 is provided with outside thread, and left end is provided with female thread structure.No. 1 connection hose or No. 2 connection hoses are two end nut intermediate hose framing members.
A kind of calibration method step of for-hire vehicle brake-pipe pressure monitored control system is following:
1. open ball valve, the loosen the brake pedal judges whether brake-pressure sensor registration and compression indicator registration are zero.
2. if the brake-pressure sensor registration is non-vanishing, then adjust brake-pressure sensor,, then carry out next step if brake-pressure sensor registration and compression indicator registration are zero.
3. slowly step on brake pedal; When manometric registration is respectively 0.2,0.4,0.6,0.8 and during 1MPa, whether the brake-pressure sensor registration corresponds to 1,2,3,4 and 5V respectively, if not; Then adjust brake-pressure sensor, make it output voltage and manometric pressure is linear; If then demarcate and finish.
Compared with prior art the invention has the beneficial effects as follows:
1. for-hire vehicle brake-pipe pressure monitored control system of the present invention and calibration method can be measured the parameter of for-hire vehicle brake piping real-time pressure under motoring condition accurately and rapidly.
2. for-hire vehicle brake-pipe pressure monitored control system of the present invention and calibration method utilize threeway, connection tracheae and connection hose can connect the brake-pipe pressure monitored control system flexibly, easily.When ball valve was opened, brake piping was in the demarcation state, can demarcate brake-pressure sensor through compression indicator.When ball valve was closed, brake piping was in test condition.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described:
Fig. 1. be the axonometric projection graph that for-hire vehicle brake-pipe pressure monitored control system of the present invention mechanism forms;
Fig. 2. be the axonometric projection graph of the brake piping sensor side annexation in the for-hire vehicle brake-pipe pressure monitored control system of the present invention;
Fig. 3 is the axonometric projection graph of the connection tracheae that adopted in the for-hire vehicle brake-pipe pressure monitored control system of the present invention;
Fig. 4 is the axonometric projection graph of the threeway adopted in the for-hire vehicle brake-pipe pressure monitored control system of the present invention;
Fig. 5-a is the axonometric projection graph of the sensor attaching parts that adopted in the for-hire vehicle brake-pipe pressure monitored control system of the present invention;
Fig. 5-b is the full sectional view on the front view of the sensor attaching parts that adopted in the for-hire vehicle brake-pipe pressure monitored control system of the present invention;
Fig. 6 is No. 1 connection hose being adopted in the for-hire vehicle brake-pipe pressure monitored control system of the present invention or the axonometric projection graph of No. 2 connection hoses;
Fig. 7 is the axonometric projection graph of the brake-pipe pressure table end annexation that adopted in the for-hire vehicle brake-pipe pressure monitored control system of the present invention;
Fig. 8 is the axonometric projection graph of the ball valve that adopted in the for-hire vehicle brake-pipe pressure monitored control system of the present invention;
Fig. 9-a is the ball valve that adopted in the for-hire vehicle brake-pipe pressure monitored control system of the present invention and the axonometric projection graph of compression indicator attaching parts;
Fig. 9-b is the full sectional view on the front view of the ball valve that adopted in the for-hire vehicle brake-pipe pressure monitored control system of the present invention and compression indicator attaching parts;
Figure 10. be the functional sequence block diagram of the calibration method of for-hire vehicle brake-pipe pressure monitored control system of the present invention;
Among the figure: A. brake-pressure sensor, B. sensor attaching parts, C. compression indicator, D. ball valve and compression indicator attaching parts, E. ball valve, F.1 number threeway, G.2 number threeway, H.1 number connection tracheae, I.2 number connection tracheae, J.1 number connection hose, K.2 number connection hose.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is explained in detail:
The objective of the invention is to propose a kind of for-hire vehicle brake-pipe pressure monitored control system and calibration method; Promptly through the shunting of two threeways to brake-pipe pressure; Utilize pressure sensor test brake-pipe pressure, the available pressure table is demarcated pressure sensor simultaneously, provide a kind of can be to the system and the calibration method of brake-pipe pressure monitoring; To satisfy the brake-pipe pressure needs of monitoring in real time, improve the safety of running car braking.
Consult Fig. 1; For-hire vehicle brake-pipe pressure monitored control system of the present invention is by brake-pressure sensor A, sensor attaching parts B, compression indicator C, ball valve and compression indicator attaching parts D, ball valve E, No. 1 threeway F, No. 2 threeway G, and No. 1 connection tracheae H, No. 2 connection tracheae I, No. 1 connection hose J and No. 2 connection hose K form.Wherein: No. 1 threeway F is identical with No. 2 threeway G structures, and connecting tracheae H for No. 1, be connected tracheae I structure with No. 2 identical, and No. 1 connection hose J is identical with No. 2 connection hose K structures.
One (right side) end of consulting Fig. 2,3,4, No. 1 connection tracheae H is provided with outside thread, and another (left side) end is provided with female thread structure.No. 1 threeway F is all the attaching parts that three interface end have identical externally threaded internal run-through with No. 2 threeway G.
Consult Fig. 1,2 and Fig. 7, connect tracheae H male end (right-hand member) No. 1 to be threaded, connect tracheae H female end (left end) for No. 1 and hold with one (right side) of No. 1 threeway F and be threaded with the brake piping road wheel end; One (descending) end of the intermediary interface end of No. 1 threeway F and sensor attaching parts B is threaded, sensor attaching parts B another (on) end is threaded with brake-pressure sensor A; Another of No. 1 threeway F (left side) end is threaded with one (right side) end of No. 1 connection hose J.No. 1 threeway F has realized that brake piping connects and the purpose of pressure second diffluence.No. 1 another (left side) of connection hose J end is threaded with the intermediary interface end of No. 2 threeway G; One (the descending) of No. 2 threeway G end and No. 2 connection hose K one (on) end is threaded, another of No. 2 connection hose K (descending) held and is threaded with the brake piping inlet end; Another of No. 2 threeway G (on) end one (the descending) that be connected tracheae I with No. 2 holds is that female end is threaded; Connect for No. 2 tracheae I another (on) end is that male end is held with one (the descending) of ball valve E and is threaded; Ball valve E another (on) end is connected with the big female end of compression indicator attaching parts D with ball valve, ball valve is threaded with compression indicator C with the little female end of compression indicator attaching parts D.No. 2 threeway G has realized the purpose that brake piping connects and pressure is once shunted.
Consult Fig. 2 and Fig. 5, sensor attaching parts B is the rectangular structure part, and the diad of cuboid is provided with the ladder hole that diameter does not wait, and on the through hole of the major diameter at cuboid diad two ends and minor diameter, is processed with negative thread respectively.The large diameter and inner thread end of sensor attaching parts B is connected with brake-pressure sensor A, and the minor diameter female end of sensor attaching parts B is connected with the intermediary interface end of No. 1 threeway F.The pressure of brake-pressure sensor A test brake piping, and convert it into voltage signal, range is 0～5V.
Consulting Fig. 1,6, No. 1 connection hose J or No. 2 connection hose K is two end nut intermediate hose framing members.No. 1 connection hose J one (right side) end is threaded with the left end of No. 1 threeway F, and No. 1 another (left side) of connection hose J end is threaded with the intermediary interface end of No. 2 threeway G; No. 2 connection hose K one (on) end is threaded with the lower end of No. 2 threeway G, the lower end of No. 2 connection hose K is threaded with the brake piping inlet end.
Consult Fig. 7 to Fig. 9, the end of ball valve E is a negative thread, and the other end is externally threaded tubular type valve attaching parts.Ball valve and compression indicator attaching parts D are the rectangular structure part, and the diad of cuboid is provided with the ladder hole that diameter does not wait, and on the through hole of the large and small diameter in cuboid two ends, are processed with negative thread respectively.Ball valve is threaded with compression indicator C with the large diameter and inner thread end of compression indicator attaching parts D, and ball valve is threaded with the male end of ball valve E with the minor diameter female end of compression indicator attaching parts D.The female end of ball valve E is connected tracheae I with No. 2 upper end is threaded.Ball valve E plays on-off action to compression indicator C end brake piping.When ball valve E opened, brake piping was in the demarcation state, can demarcate brake-pressure sensor A through compression indicator C, and compression indicator C range is 0～1MPa.When ball valve E was closed, brake piping was in test condition.
Consult Figure 10, the step that for-hire vehicle brake-pipe pressure monitored control system is demarcated is following:
1. open ball valve E, the loosen the brake pedal judges whether brake-pressure sensor A registration and compression indicator C registration are zero.
2. if brake-pressure sensor A registration is non-vanishing, then adjust brake-pressure sensor A.If brake-pressure sensor A registration and compression indicator C registration are zero, then carry out next step.
3. slowly step on brake pedal, when the registration of compression indicator C is respectively 0.2,0.4,0.6,0.8 and during 1MPa, whether brake-pressure sensor A registration corresponds to 1,2,3,4 and 5V respectively.If not, then adjust brake-pressure sensor A, the pressure that makes it output voltage and compression indicator C is linear; If then demarcate and finish.
Claims (5)
1. for-hire vehicle brake-pipe pressure monitored control system; It is characterized in that, described for-hire vehicle brake-pipe pressure monitored control system by brake-pressure sensor (A), sensor attaching parts (B), compression indicator (C), ball valve with compression indicator attaching parts (D), ball valve (E), No. 1 threeway (F), No. 2 threeways (G), be connected tracheae (H) for No. 1, connect tracheae (I), No. 1 connection hose (J) and No. 2 connection hoses (K) No. 2 and form;
The female end that connects tracheae (H) for No. 1 is threaded with the right-hand member of No. 1 threeway (F); The intermediary interface end of No. 1 threeway (F) is threaded with the lower end of sensor attaching parts (B); The upper end of sensor attaching parts (B) is threaded with brake-pressure sensor (A); No. 1 threeway (F) left end is threaded with the right-hand member of No. 1 connection hose (J), and No. 1 connection hose (J) left end is threaded with the intermediary interface end of No. 2 threeways (G), and the lower end of No. 2 threeways (G) is threaded with the upper end of No. 2 connection hoses (K); No. 2 threeways (G) upper end is connected tracheae (I) female end and connects with No. 2; Connect tracheae (I) male end No. 2 and be connected with the lower end of ball valve (E), the upper end of ball valve (E) is connected with the big female end of ball valve and compression indicator attaching parts (D), and ball valve is connected with compression indicator (C) with the little female end of compression indicator attaching parts (D).
2. according to the described for-hire vehicle brake-pipe pressure of claim 1 monitored control system; It is characterized in that; Described sensor attaching parts (B) is the rectangular structure part; The diad of cuboid is provided with ladder hole, and the major diameter at cuboid diad two ends and the through hole of minor diameter are processed with negative thread respectively.
3. according to the described for-hire vehicle brake-pipe pressure of claim 1 monitored control system; It is characterized in that; Described ball valve and compression indicator attaching parts (D) are the rectangular structure part; The diad of cuboid is provided with ladder hole, and the major diameter at cuboid diad two ends and the through hole of minor diameter are processed with negative thread respectively.
4. according to the described for-hire vehicle brake-pipe pressure of claim 1 monitored control system; It is characterized in that; Described No. 1 threeway (F) and No. 2 threeways (G) are same structure spare; No. 1 connection tracheae (H) is connected tracheae (I) with No. 2 be same structure spare, and No. 1 connection hose (J) and No. 2 connection hoses (K) are same structure spare; No. 1 threeway (F) or No. 2 threeways (G) are the attaching parts that three interface end have identical externally threaded internal run-through; The right-hand member that connects tracheae (H) or No. 2 connection tracheaes (I) for No. 1 is provided with outside thread, and left end is provided with female thread structure; No. 1 connection hose (J) or No. 2 connection hoses (K) are two end nut intermediate hose framing members.
5. the method for the described for-hire vehicle brake-pipe pressure of claim 1 monitored control system being demarcated is characterized in that, the calibration method step of described for-hire vehicle brake-pipe pressure monitored control system is following:
1) open ball valve (E), the loosen the brake pedal judges whether brake-pressure sensor (A) registration and compression indicator (C) registration are zero;
2) if brake-pressure sensor (A) registration is non-vanishing, then adjust brake-pressure sensor (A),, then carry out next step if brake-pressure sensor (A) registration and compression indicator (C) registration are zero;
3) slowly step on brake pedal; When the registration of compression indicator (C) is respectively 0.2,0.4,0.6,0.8 and during 1MPa; Whether brake-pressure sensor (A) registration corresponds to 1,2,3,4 and 5V respectively; If not, then adjust brake-pressure sensor (A), the pressure that makes it output voltage and compression indicator (C) is linear; If then demarcate and finish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110085405 CN102229338B (en) | 2011-04-06 | 2011-04-06 | Pressure monitoring system for commercial automobile braking piping and calibrating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110085405 CN102229338B (en) | 2011-04-06 | 2011-04-06 | Pressure monitoring system for commercial automobile braking piping and calibrating method |
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| Publication Number | Publication Date |
|---|---|
| CN102229338A CN102229338A (en) | 2011-11-02 |
| CN102229338B true CN102229338B (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110085405 Expired - Fee Related CN102229338B (en) | 2011-04-06 | 2011-04-06 | Pressure monitoring system for commercial automobile braking piping and calibrating method |
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| CN103332183B (en) * | 2013-07-08 | 2015-06-10 | 中国计量学院 | System and method for eliminating bubbles in automotive hydraulic ABS in real time |
| CN105092227B (en) * | 2015-08-25 | 2017-08-04 | 太原鹏跃电子科技有限公司 | 120 valves and empty and load testing stand pressure sensor sampling channel caliberating device |
| CN105241659B (en) * | 2015-11-09 | 2017-09-12 | 太原鹏跃电子科技有限公司 | Rail vehicle braking Special test platform pressure gauge water conservancy diversion connector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041270U (en) * | 1988-03-07 | 1989-07-19 | 刘有库 | Warner for monitoring hydraulic brake |
| CN2049203U (en) * | 1989-01-31 | 1989-12-13 | 上海工业大学 | Low gas pressure warning type braking barometer |
| EP1634790A1 (en) * | 2004-09-09 | 2006-03-15 | Few Blankenburg GmbH | Testing the tightness of a main airpipe of a train |
| CN101332813A (en) * | 2008-08-06 | 2008-12-31 | 清华大学 | Vehicle brake efficacy monitoring and alarm system |
| CN101402359A (en) * | 2008-11-18 | 2009-04-08 | 株洲高新技术产业开发区壹星科技有限公司 | Motorcycle brake monitoring method and apparatus for railway motorcycle |
| CN201961309U (en) * | 2011-04-06 | 2011-09-07 | 吉林大学 | Pressure monitoring system for braking line of commercial automobile |
-
2011
- 2011-04-06 CN CN 201110085405 patent/CN102229338B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041270U (en) * | 1988-03-07 | 1989-07-19 | 刘有库 | Warner for monitoring hydraulic brake |
| CN2049203U (en) * | 1989-01-31 | 1989-12-13 | 上海工业大学 | Low gas pressure warning type braking barometer |
| EP1634790A1 (en) * | 2004-09-09 | 2006-03-15 | Few Blankenburg GmbH | Testing the tightness of a main airpipe of a train |
| CN101332813A (en) * | 2008-08-06 | 2008-12-31 | 清华大学 | Vehicle brake efficacy monitoring and alarm system |
| CN101402359A (en) * | 2008-11-18 | 2009-04-08 | 株洲高新技术产业开发区壹星科技有限公司 | Motorcycle brake monitoring method and apparatus for railway motorcycle |
| CN201961309U (en) * | 2011-04-06 | 2011-09-07 | 吉林大学 | Pressure monitoring system for braking line of commercial automobile |
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| CN102229338A (en) | 2011-11-02 |
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