CN2916723Y - Seal tester controller - Google Patents
Seal tester controller Download PDFInfo
- Publication number
- CN2916723Y CN2916723Y CN 200520145978 CN200520145978U CN2916723Y CN 2916723 Y CN2916723 Y CN 2916723Y CN 200520145978 CN200520145978 CN 200520145978 CN 200520145978 U CN200520145978 U CN 200520145978U CN 2916723 Y CN2916723 Y CN 2916723Y
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- control
- leakage test
- motor
- control device
- test device
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Abstract
The utility model is a control device of sealing tester, which is composed of a breaker (1), a temperature measuring component (2), and a heater (3). Wherein, the temperature measuring component (2) is a pressure thermometer (201) , on which is a low temperature contact (201a) and high temperature contact (201b); the control device has two breakers (1): one (101) is in charge of the connection of the motor (9) and the main circuit, and one (102) is in charge of the connection of the heater (3) and the main circuit; the heater (3) for heating the lubricant in the oil tank is arranged in the oil tank. The utility model can control the temperature of lubricant in the oil tank (12) and optimize the motor (9) and oil pump (11); compared with ordinary PLC control and SCM control circuit, the product is more practical and cost-saving. With reliable performance and stable operation, the utility model has the bright application prospect.
Description
Technical field
The utility model relates to Electrical Control Technology, and a kind of leakage test device control device is provided especially.
Background technology
Type components such as inlet casing are the key problem in technology places in engine technology and the association area, and it all may be the work with great economy and social value that relevant development, test etc. are operated in this area.A kind of specialized equipment and control device thereof at the inlet casing leakage test developed in people's expectation.
The utility model content
The purpose of this utility model provides a kind of leakage test device control device.
A kind of leakage test device of the utility model control device is characterized in that:
Described leakage test device control device is made of isolating switch (1), temperature-measuring element (2), well heater (3); Contactor (4), thermal overload relay (5), fuse (6), button (7), knob (8), pilot lamp (10), relay (11) can also be arranged in the preferred version; Wherein:
1) described temperature-measuring element (2) is pressure type thermometer (201), and low temperature contact (201a) and high temperature contact (201b) are arranged on it, and we change the work that comes control heater (3) by the action of low temperature contact (201a) and high temperature contact (201b);
Concrete action situation is as follows: low temperature and high temperature values can artificially be set; When measured temperature was lower than the low-temperature values that is limited, low temperature contact (201a) was in closure state, at this moment can utilize the coil of low temperature contact (201a) control contactor (402), made well heater (3) work; When temperature equals or exceeds low-temperature values, (201a) becomes disconnection by closure in the low temperature contact, high temperature contact (201b) becomes closure by off-state when the temperature value of reaching a high temperature, high temperature contact (201b) pilot relay (11), utilize the corresponding contacts control heating circuit of relay (11), well heater (3) is quit work, reach the purpose of cooling.When temperature was lower than high temperature values, high temperature contact (201b) reverted to off-state; Reduce to when being equal to or less than low-temperature values when temperature, low temperature contact (201a) reverts to closure state.
2) described isolating switch (1) has two, wherein: isolating switch (101): be responsible for the break-make relation between control motor M and the main circuit; Isolating switch (102): be responsible for the break-make relation between control heater and the main circuit.
3) described well heater (3): be responsible for the lubricating oil in the fuel tank is heated, temperature is stipulated within the specific limits.
4) described contactor (4) has two, and wherein: contactor (401): be connected between motor and the main circuit, the switching correspondence of its main contacts motor and whether connect electricity work; Contactor (402): it is connected between well heater (3) and the main circuit, and whether the switching of its main contacts is controlling well heater work.
5) work of described well heater (3) is controlled indirectly by relay (11) control contactor (402).
6) described thermal overload relay (5) is connected between motor (9) and the contactor (401), when machine operation under overload, bimetal strip in the thermal overload relay is because the material difference, the expansion coefficient difference, cause to the less metal one lateral bending song of expansion coefficient, final thermal overload relay major loop disconnects, and motor quits work.
7) described fuse (6) is installed in the control loop supply line, and control loop is shielded.
8) described button (7) has two, and wherein: button (701) is used to control motor (9) and quits work; Button (702) is used to control motor (9) and starts working.
9) whether knob (8) is used for being responsible for control heater (3) and starts working, and its effect is equivalent to a switch, but higher and can reduce the possibility of maloperation than general switch security.
10) described pilot lamp (10) has 4 groups:
Pilot lamp (1001): the duty of judging well heater according to the duty of contactor (402) coil;
Pilot lamp (1002): the duty of judging motor according to the duty of contactor (401) coil;
Pilot lamp (1003): the duty of judging filtrator according to the duty of the passive contact SP of oil-out filtrator;
Pilot lamp (1004): indication control loop duty.
Also be connected with by motor (9) drive work the oil pump (11) of the lubricating oil vasopressing injection that is used for fuel tank (12) is met the temperature requirement scope in the equipment that will test sealing on the leakage test device control device described in the utility model.
The utility model can be controlled the interior oil temperature of fuel tank (12), makes its temperature remain on a given range, meets on-the-spot technological requirement; Simultaneously, the utility model can also be controlled motor (9) and oil pump (11); In concrete the application, the many auxiliary links that strengthen security and operability have been designed.
Involved main difficult technical is the control to the electric heater contact in the utility model.Therefore, need to understand the action situation of each contact of electric heater, it rationally is connected in the control circuit,, control the coordination of each link according to set-point.
The utility model has the advantages that: more simple and practical with respect to speeches such as common PLC control or single chip machine controlling circuits, cost is obviously lower, its functional reliability height of while, good operation stability have a good application prospect.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and the embodiments.
Fig. 1 is that leakage test device control device major loop is formed and theory diagram;
Fig. 2 is that leakage test device control device control loop is formed and theory diagram.
Embodiment
A kind of leakage test device control device is the specialized equipment of certain type machine inlet casing leakage test.
Application background is as follows:
Actuating medium is a HP8-A lubricating oil, and in-line leakage test working pressure is 0.2MPa, and bore seal experiment work pressure is 0.9MPa, and 60～70 ℃ of working oil temperatures, maximum working pressure are 1MPa.Pipe arrangement meets the relevant regulations of JB/T5000.11-1998 pipe arrangement general technical specifications.Behind the pipe arrangement, each section pipeline application cleaning pressure air blows off impurity and welding slag, with actuating medium pipeline is washed then, and the actuating medium cleanliness in the fuel tank should reach 18/15, after flushing finishes, clears up the impurity in the filter one time; Safety valve is transferred to 1.0MPa before using in the equipment.
During experiment, inlet casing is placed on the transport vehicle, and gland bonnet is installed simultaneously.Need guarantee during experiment that stop valve rationally moves, tensimeter is not damaged.When oil pressure reaches experiment assigned work pressure, about 3 minutes of pressurize.
Present embodiment content and application brief introduction are as follows:
A kind of leakage test device control device, it is made of isolating switch (1), temperature-measuring element (2), well heater (3), contactor (4), thermal overload relay (5), fuse (6), button (7), knob (8), pilot lamp (10), relay (11); Wherein:
1) described temperature-measuring element (2) is pressure type thermometer (201), low temperature contact (201a) PT60 and high temperature contact (201b) are arranged on it, and we change the work that comes control heater (3) by the action of low temperature contact (201a) and high temperature contact (201b);
Concrete action situation is as follows: low temperature and high temperature values can artificially be set; When measured temperature was lower than low-temperature values, low temperature contact (201a) was in closure state, at this moment can utilize the coil of low temperature contact (201a) control contactor (402), made well heater (3) work; When temperature equals or exceeds low-temperature values, (201a) becomes disconnection by closure in the low temperature contact, high temperature contact (201b) becomes closure by off-state when the temperature value of reaching a high temperature, high temperature contact (201b) pilot relay (11), utilize the corresponding contacts control heating circuit of relay (11), well heater (3) is quit work, reach the purpose of cooling.When temperature was lower than high temperature values, high temperature contact (201b) reverted to off-state; Reduce to when being equal to or less than low-temperature values when temperature, low temperature contact (201a) reverts to closure state.
2) described isolating switch (1) has two, wherein: isolating switch (101): be responsible for the break-make relation between control motor (9) and the main circuit; Isolating switch (102): be responsible for the break-make relation between control heater and the main circuit.
3) described well heater (3): be responsible for the lubricating oil in the fuel tank is heated, temperature is defined between 60 to 70 degrees centigrade.
4) described contactor (4) has two, and wherein: contactor (401): be connected between motor and the main circuit, the switching correspondence of its main contacts motor and whether connect electricity work; Contactor (402): it is connected between well heater (3) and the main circuit, and whether the switching of its main contacts is controlling well heater work.
5) work of described well heater (3) is controlled indirectly by relay (11) control contactor (402).
6) described thermal overload relay (5) is connected between motor (9) and the contactor (401), when machine operation under overload, bimetal strip in the thermal overload relay is because the material difference, the expansion coefficient difference, cause to the less metal one lateral bending song of expansion coefficient, final thermal overload relay major loop disconnects, and motor quits work.
7) described fuse (6) is installed in the control loop supply line, and control loop is shielded.
8) described button (7) has two, and wherein: button (701) is used to control motor (9) and quits work; Button (702) is used to control motor (9) and starts working.
9) whether knob (8) is used for being responsible for control heater (3) and starts working.
10) described pilot lamp (10) has 4 groups:
Pilot lamp (1001): judge the duty of well heater according to the duty of contactor (402) coil, when green light lights, represent that it works;
Pilot lamp (1002): judge the duty of motor according to the duty of contactor (401) coil, when green light lights, represent that it works;
Pilot lamp (1003): judge the duty of filtrator according to the duty of SP (the passive contact of oil-out filtrator), when red alarm lamp lighted, expression must be handled through row impurity;
Pilot lamp (1004): indication control loop duty, when green light lights, represent that it works, fuse this moment (6) must be under the connection status.
Also be connected with by motor (9) drive work the oil pump (11) of the lubricating oil vasopressing injection that is used for fuel tank (12) is met the temperature requirement scope in the equipment that will test sealing on the described leakage test device of the present embodiment control device.
Present embodiment can be controlled the interior oil temperature of fuel tank (12), makes its temperature remain on a given range, meets on-the-spot technological requirement; Simultaneously, in concrete the application, also can according to circumstances design other auxiliary link that strengthens security and operability at random.
Involved main difficult technical is the control to the electric heater contact in the present embodiment.Therefore, need to understand the action situation of each contact of electric heater, it rationally is connected in the control circuit,, control the coordination of each link according to set-point.
Claims (10)
1, a kind of leakage test device control device is characterized in that: it is made up of isolating switch (1), temperature-measuring element (2), well heater (3); Wherein:
1) described temperature-measuring element (2) is pressure type thermometer (201), and low temperature contact (201a) and high temperature contact (201b) are arranged on it;
2) described isolating switch (1) has two, and one is for being responsible for the isolating switch (101) of the break-make relation between control motor (9) and the main circuit, and it two is isolating switchs (102) of being responsible for the break-make relation between control heater (3) and the main circuit;
3) the described well heater of being responsible for the lubricating oil in the fuel tank is heated (3) is installed in the fuel tank.
2, according to the described leakage test device of claim 1 control device, it is characterized in that:
Also have two contactors (4) in the described leakage test device control device: its switching correspondence of the first the contactor (401) whether motor (9) connects electricity work, and it is connected between motor (9) and the main circuit; It two is that the contactor (402) whether well heater (3) works is being controlled in the switching of its main contacts, and it is connected between well heater (3) and the main circuit.
3, according to the described leakage test device of claim 2 control device, it is characterized in that: also have in the described leakage test device control device by control contactor (402) so that the relay (11) that well heater (3) is controlled indirectly.
4, according to the described leakage test device of claim 2 control device; it is characterized in that: be connected in addition in the described leakage test device control device between motor (9) and the contactor (401), when machine operation disconnect major loop during at overload so that motor (9) thus the thermal overload relay (5) of the protection system that quits work.
5, according to the described leakage test device of claim 1 control device, it is characterized in that: be installed in the control loop supply line fuse (6) that control loop is shielded in the described leakage test device control device in addition.
6, according to the described leakage test device of claim 1 control device, it is characterized in that: also have two buttons (7) in the described leakage test device control device: the first is used to control the out-of-work button of motor (9) (701); It two is to be used to control the button (702) that motor (9) is started working.
7, according to the described leakage test device of claim 1 control device, it is characterized in that: also have in the described leakage test device control device and be responsible for the knob (8) whether control heater (3) starts working.
8, according to the described leakage test device of claim 1 control device, it is characterized in that: also have 4 groups of pilot lamp (10) in the described leakage test device control device:
One is according to the duty of contactor (402) the coil pilot lamp (1001) in order to the duty of judging well heater (3);
It two is in order to judge the pilot lamp (1002) of motor (9) duty according to the duty of contactor (401) coil;
It three is in order to judge the pilot lamp (1003) of filtrator duty according to the duty of the passive contact SP of oil-out filtrator;
It four is a pilot lamp (1004) in order to indication control loop duty.
9, according to the described leakage test device of claim 1 control device, it is characterized in that: also be connected with by motor (9) drive work on the described leakage test device control device, be used for the lubricating oil vasopressing injection of fuel tank (12) oil pump (11) in the equipment that will test sealing.
10, according to the described leakage test device of claim 1 control device, it is characterized in that: described leakage test device control device is made up of isolating switch (1), temperature-measuring element (2), well heater (3), contactor (4), thermal overload relay (5), fuse (6), button (7), knob (8), pilot lamp (10) and relay (11); Wherein:
Also have two contactors (4) in the described leakage test device control device, the first is connected between motor (9) and the main circuit, and its switching correspondence the contactor (401) whether motor (9) connects electricity work; It two is to be connected between well heater (3) and the main circuit, and the contactor (402) whether well heater (3) works is being controlled in the switching of its main contacts;
Also have in the described leakage test device control device as the lower part:
The relay of controlling indirectly by control contactor (402) so that to well heater (3) (11);
Be connected between motor (9) and contactor (401) contactor (401), when machine operation disconnect major loop during at overload so that motor (9) thus the thermal overload relay (5) of the protection system that quits work;
Be installed in the control loop supply line fuse (6) that control loop is shielded;
Two buttons (7): the first is used to control the out-of-work button of motor (9) (701); It two is to be used to control the button (702) that motor (9) is started working;
Be responsible for the knob (8) whether control heater (3) starts working;
4 groups of pilot lamp (10): one is according to the duty of contactor (402) the coil pilot lamp (1001) in order to the duty of judging well heater (3), it two is in order to judge the pilot lamp (1002) of motor (9) duty according to the duty of contactor (401) coil, its three be according to the duty of the passive contact SP of oil-out filtrator in order to judging the pilot lamp (1003) of filtrator duty, it four be in order to indicate the pilot lamp (1004) of control loop duty;
Also be connected with by motor (9) drive work on the described leakage test device control device, be used for the lubricating oil vasopressing injection of fuel tank (12) oil pump (11) in the equipment that will test sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520145978 CN2916723Y (en) | 2005-12-26 | 2005-12-26 | Seal tester controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520145978 CN2916723Y (en) | 2005-12-26 | 2005-12-26 | Seal tester controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2916723Y true CN2916723Y (en) | 2007-06-27 |
Family
ID=38187636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520145978 Expired - Fee Related CN2916723Y (en) | 2005-12-26 | 2005-12-26 | Seal tester controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2916723Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710215A (en) * | 2012-06-19 | 2012-10-03 | 山东恒阳重工科技有限公司 | Control circuit of oil pump motor for mobile garbage compression transfer station |
| CN102116698B (en) * | 2009-12-31 | 2013-05-29 | 北京卫星环境工程研究所 | Temperature control method of automatic deflation process detection of satellite storage box (air bottle) |
-
2005
- 2005-12-26 CN CN 200520145978 patent/CN2916723Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116698B (en) * | 2009-12-31 | 2013-05-29 | 北京卫星环境工程研究所 | Temperature control method of automatic deflation process detection of satellite storage box (air bottle) |
| CN102710215A (en) * | 2012-06-19 | 2012-10-03 | 山东恒阳重工科技有限公司 | Control circuit of oil pump motor for mobile garbage compression transfer station |
| CN102710215B (en) * | 2012-06-19 | 2014-10-01 | 山东恒阳重工科技有限公司 | Control circuit of oil pump motor for mobile garbage compression transfer station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070627 Termination date: 20131226 |