CN209878211U - Auxiliary device for calibrating electric contact pressure gauge - Google Patents
Auxiliary device for calibrating electric contact pressure gauge Download PDFInfo
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- CN209878211U CN209878211U CN201920732517.8U CN201920732517U CN209878211U CN 209878211 U CN209878211 U CN 209878211U CN 201920732517 U CN201920732517 U CN 201920732517U CN 209878211 U CN209878211 U CN 209878211U
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- pilot lamp
- pressure gauge
- contact pressure
- auxiliary device
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Abstract
The utility model relates to an auxiliary device for electric contact pressure gauge examination, which comprises an outer shell, be provided with on the characterized by shell and examine the object joining region, first pilot lamp and second pilot lamp, be provided with siren and power in the shell, examine the object joining region including be used for respectively with examine the object public end, the first interface that low limit end and high limit end are connected, second interface and third interface, the one end and the first interface connection of power, the other end of power is connected with the one end of siren, the other end of siren is connected with the one end of first pilot lamp and second pilot lamp, the other end of first pilot lamp and second pilot lamp respectively with second interface and third interface connection. The utility model discloses a sound is reminded and the vision is observed the reading instead with colour discernment to realize the single one-hand operation of overall process in the electric contact pressure gauge examines, thereby effectively improved work efficiency, guaranteed timely and the accuracy of reading. The utility model has simple structure, low cost, easy manufacture and convenient use.
Description
Technical Field
The utility model relates to a manometer calibrating installation is the auxiliary device who is used for electric contact manometer to examine and determine particularly.
Background
The pressure gauge with electric contact can measure the pressure of various non-corrosive, non-explosive and non-crystalline liquid and gas medium on copper alloy, and can be matched with other elements to form an acousto-optic alarm or control circuit, and is widely applied to the industries of petroleum, chemical industry, power stations, metallurgy and the like.
The calibration of the electro-contact pressure gauge needs to calibrate the set point deviation and the switching difference besides the indication error, the return error, the tapping displacement and the like as the common pressure gauge. Therefore, in the verification process, an operator needs to read the current indication value from the tested electric contact pressure gauge while seeing the on or off state of the signal from the multimeter, so that the verification is not timely and accurate on one occasion, and the verification is particularly inconvenient for a single person. Therefore, it is necessary to design an auxiliary device for calibrating an electric contact pressure gauge, which has a simple structure, low cost, easy manufacture and convenient use.
Disclosure of Invention
The utility model aims at providing a simple structure, low cost, preparation are easy and convenient to use's an auxiliary device for electric contact pressure gauge examination.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an auxiliary device for electric contact manometer examination, which comprises a housin, characterized by is provided with on the shell and is examined the object connection district, first pilot lamp and second pilot lamp, be provided with siren and power in the shell, it includes the first interface that is used for respectively with examining object public end, low limit end and high limit end connection to be examined the object connection district, second interface and third interface, the one end and the first interface connection of power, the other end and the one end of siren of power are connected, the other end and the one end of first pilot lamp and second pilot lamp of siren are connected, the other end of first pilot lamp and second pilot lamp respectively with second interface and third interface connection.
Further, the alarm is a buzzer, the first indicator light is a green indicator light, and the second indicator light is a red indicator light.
Further, the power supply is a direct current power supply.
Further, the power supply is formed by connecting two batteries with 1.5V in series.
The utility model discloses a sound is reminded and the vision is observed the reading instead with colour discernment to realize the single one-hand operation of overall process in the electric contact pressure gauge examines, thereby effectively improved work efficiency, guaranteed timely and the accuracy of reading. The utility model has simple structure, low cost, easy manufacture and convenient use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a circuit diagram of the present invention.
In the figure: 1-a housing; 2-a subject connecting region; 2.1 — a first interface; 2.2-a second interface; 2.3-third interface; 3-a first indicator light; 4-a second indicator light; 5-an alarm; 6-power supply.
Detailed Description
The invention will be further described with reference to the following drawings and specific examples, which should not be construed as limiting the invention.
As shown in the figure, the auxiliary device for electric contact pressure gauge verification comprises a shell 1, a detected object connection area 2, a first indicator lamp 3 and a second indicator lamp 4 are arranged on the shell 1, an alarm 5 and a power supply 6 are arranged in the shell 1, the detected object connection area 2 comprises a first interface 2.1, a second interface 2.2 and a third interface 2.3, the first interface 2.1 is used for being connected with a detected object public end, a lower limit end and a higher limit end respectively, one end of the power supply 6 is connected with the first interface 2.1, the other end of the power supply 6 is connected with one end of the alarm 5, the other end of the alarm 5 is connected with one ends of the first indicator lamp 3 and the second indicator lamp 4, and the other ends of the first indicator lamp 3 and the second indicator lamp 4 are connected with the second interface 2.2 and the third interface 2.3 respectively.
The preferred embodiment is: in the above scheme, the alarm 5 is a buzzer, the first indicator light 3 is a green indicator light, and the second indicator light 4 is a red indicator light.
The preferred embodiment is: in the above scheme, the power supply 6 is a dc power supply.
The preferred embodiment is: in the scheme, the power supply 6 is formed by connecting two batteries with 1.5V in series.
Use the utility model discloses examine and determine electric contact pressure gauge, including following step:
a. respectively installing a pressure gauge of the tested contact and a standard pressure gauge on a pressure calibrator;
b. the first interface, the second interface and the third interface of the utility model are respectively connected to the public end, the low limit end and the high limit end of the tested electric contact pressure gauge by leads;
c. the upper and lower signal pointers of the tested electro-contact pressure gauge are respectively set at 50% and 25% of the measuring range;
d. slowly increasing the pressure, and reading the actual pressure value of the upper stroke of the lower limit when a green indicator light is on and a buzzer sounds;
e. continuing to slowly increase the pressure, and reading the upper limit upper stroke actual pressure value after the green indicator light is turned off and the buzzer stops, and when the red indicator light is turned on and the buzzer sounds;
f. continuously increasing the pressure until the red indicator light is turned off and the buzzer stops;
g. slowly reducing the pressure, and reading the actual pressure value of the upper limit lower stroke when the red indicator light is on and the buzzer sounds;
h. continuously and slowly reducing the pressure, and reading the actual pressure value of the lower limit lower stroke after the red indicator light is turned off and the buzzer stops, and when the green indicator light is turned on and the buzzer sounds;
i. and (4) respectively dialing the upper and lower signal pointers of the tested electric contact pressure gauge to 75% and 50% of the measuring range, repeating the steps a-h, calculating a switching difference according to each read value, judging whether the electric contact pressure gauge is qualified or not, and finishing the verification work.
Details not described in the present specification belong to the prior art known to those skilled in the art.
Claims (4)
1. An auxiliary device for calibrating an electric contact pressure gauge comprises a shell (1), and is characterized in that: be provided with on shell (1) and be examined object joining region (2), first pilot lamp (3) and second pilot lamp (4), be provided with siren (5) and power (6) in shell (1), it is used for with the object public end of examining respectively to be examined object joining region (2), first interface (2.1) that low limit end and high limit end are connected, second interface (2.2) and third interface (2.3), the one end and the first interface (2.1) of power (6) are connected, the other end and the one end of siren (5) of power (6) are connected, the other end and the one end of first pilot lamp (3) and second pilot lamp (4) of siren (5) are connected, the other end of first pilot lamp (3) and second pilot lamp (4) is connected with second interface (2.2) and third interface (2.3) respectively.
2. An auxiliary device for electro-contact pressure gauge verification according to claim 1, wherein: the alarm (5) is a buzzer, the first indicator light (3) is a green indicator light, and the second indicator light (4) is a red indicator light.
3. An auxiliary device for electro-contact pressure gauge certification according to claim 1 or 2, wherein: the power supply (6) is a direct current power supply.
4. An auxiliary device for electro-contact pressure gauge verification according to claim 3, wherein: the power supply (6) is formed by connecting two 1.5V batteries in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920732517.8U CN209878211U (en) | 2019-05-21 | 2019-05-21 | Auxiliary device for calibrating electric contact pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920732517.8U CN209878211U (en) | 2019-05-21 | 2019-05-21 | Auxiliary device for calibrating electric contact pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209878211U true CN209878211U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920732517.8U Active CN209878211U (en) | 2019-05-21 | 2019-05-21 | Auxiliary device for calibrating electric contact pressure gauge |
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| Country | Link |
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| CN (1) | CN209878211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484917A (en) * | 2020-11-26 | 2021-03-12 | 西安航天计量测试研究所 | System and method for calibrating switching difference of electric contact pressure gauge |
-
2019
- 2019-05-21 CN CN201920732517.8U patent/CN209878211U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484917A (en) * | 2020-11-26 | 2021-03-12 | 西安航天计量测试研究所 | System and method for calibrating switching difference of electric contact pressure gauge |
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